Seat for a vehicle

Abstract

Provided is a seat for a vehicle in which a skin is fixed to a seat cushion without using a clip or the like as a locking member, thereby reducing the number of parts. A seat for a vehicle (1) includes a seat cushion (5) having a first cushion member (10) and a second cushion member (20) that is harder than the first cushion member (10), and a skin (30) that covers the seat cushion (5), a protruding portion (23) that locks the skin (30) is integrally provided in the second cushion member (20), and a locked portion (31) that is locked to the protruding portion (23) is provided in the skin.

Description

Technical Field

[0001] This invention relates to a vehicle seat, and more particularly to a vehicle seat comprising a seat cushion and a cover for covering the seat cushion. Background Technology

[0002] For vehicle seats installed in automobiles and other transportation vehicles, to improve seating comfort, seats constructed by covering a foamed resin seat cushion with a surface layer are known. In addition, as shown in Patent Document 1, in recent years, there has been a technology for constructing seat cushions using two layers of cushioning members with different hardness. By using urethane foam as the cushioning member on the seating surface side (outer layer side) and expanded polypropylene (EPP) as the cushioning member on the inner layer side, rigidity is maintained while improving seating comfort.

[0003] Existing technical documents

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 2018-158096 Summary of the Invention

[0006] The problem that the invention aims to solve

[0007] In the case of a seat cushion containing two layers of padding members, as shown in Patent Document 1, the cover is conventionally fixed to the seat cushion by inserting a locking member such as a clip or arrow provided at the end of the cover into a hole formed in the padding member.

[0008] However, since clamps and other locking components are used to fix the skin, there is a problem of increased manufacturing costs due to the increased number of parts.

[0009] The present invention was made in view of the aforementioned problem, and its object is to provide a vehicle seat in which the surface is fixed to the seat cushion without the use of clamps or other locking members in a seat cushion comprising two layers of cushioning members, thereby reducing the number of parts.

[0010] Technical means to solve the problem

[0011] The problem is solved by the following method: a vehicle seat according to the present invention includes: a seat cushion and a cover covering the seat cushion, the seat cushion having: a first cushion member; and a second cushion member, which is harder than the first cushion member, the second cushion member having a protrusion integrally formed with the second cushion member and locking the cover, and the cover having a locked portion locked to the protrusion.

[0012] A vehicle seat can be provided in such a way that, by integrally forming a protrusion for securing the skin with a second padding member, the skin can be fixed without the use of clamps or other securing members, thereby reducing the number of parts.

[0013] Additionally, in the vehicle seat, the locking portion of the skin may be a hole through which the protrusion is inserted.

[0014] By making the locking part a hole, the locking part that locks onto the protrusion can be easily formed.

[0015] Additionally, in the vehicle seat, the protrusion may have a flexed portion at the front end.

[0016] By having a flexed portion at the front end of the protrusion, the stuck portion of the stuck epidermis is not easily dislodged from the protrusion.

[0017] Alternatively, in the vehicle seat, the second cushion member may have a raised portion around the protrusion, the raised portion having a height higher than the height of the protrusion.

[0018] By creating raised sections around the protrusion that are higher than the protrusion's height, the protrusion is embedded within these raised sections, preventing it from becoming an obstruction when installing the seat cushion. Furthermore, when the seat cushion is placed on a floor or similar surface, no direct load is applied to the protrusion, thus preventing damage to it.

[0019] Additionally, in the vehicle seat, the root portion of the protrusion may be thicker than the front portion.

[0020] The strength of the protrusion can be increased by making the thickness of the root portion of the protrusion greater than that of the front portion.

[0021] Additionally, in the vehicle seat, a first through hole may be formed in the second padding member at a position adjacent to the protrusion, and a second through hole may be formed in the first padding member communicating with the first through hole.

[0022] By forming a second through hole communicating with the first through hole in the first padding member, the first through hole can be blocked using the mold forming the second through hole during the formation of the first padding member, thus preventing material leakage from the first through hole. A two-layer seat pad having both a protrusion and a through hole can be easily manufactured.

[0023] Alternatively, in the vehicle seat, the locked portion of the skin may pass through the first through hole and the second through hole and lock onto the protrusion.

[0024] The cover can be secured to the protrusion from the inside using the locking part, thus fixing the cover to the seat cushion more firmly.

[0025] Alternatively, in the vehicle seat, the first padding member may be provided with a folding groove for folding into the skin, and the second through hole may be formed in the folding groove.

[0026] By forming a second through hole in the folding groove, the folding member used for folding into the skin can be used as a locking part, and the folding member is locked to the protrusion.

[0027] Alternatively, in the vehicle seat, a third through hole with a width greater than that of the first through hole may be formed in the second padding member, and the first through hole may be disposed at a position overlapping the third through hole in the seat width direction.

[0028] By positioning the first through hole at a position that overlaps with the third through hole in the seat width direction, the position of the first through hole becomes easier to determine, and the position of the adjacent protrusion becomes easier to know, thus serving as a reference when installing the cover, improving workability.

[0029] Additionally, the vehicle seat may include: a seat cushion having the seat pad and the cover; a seat back having a seat back frame forming a skeleton and connected to the rear end of the seat cushion; and a headrest disposed on the upper side of the seat back.

[0030] The effects of the invention

[0031] A vehicle seat can be provided in such a way that, by integrally forming a protrusion for securing the skin with a second padding member, the skin can be fixed without the use of clamps or other securing members, thereby reducing the number of parts.

[0032] In addition, by making the locking part a hole, the locking part that locks onto the protrusion can be easily formed.

[0033] In addition, by having a flexed portion at the front end of the protrusion, the stuck portion of the stuck epidermis is not easily dislodged from the protrusion.

[0034] Furthermore, by providing raised sections around the protrusion that are higher than the height of the protrusion, the protrusion is embedded within these raised sections, preventing it from becoming an obstruction when installing the seat cushion. Additionally, when the seat cushion is placed on a floor or similar surface, no direct load is applied to the protrusion, thus preventing damage to it.

[0035] In addition, the strength of the protrusion can be increased by making the thickness of the root portion of the protrusion greater than that of the front portion.

[0036] Furthermore, by forming a second through hole communicating with the first through hole in the first padding member, the first through hole can be blocked using the mold forming the second through hole during the formation of the first padding member, thus preventing material leakage from the first through hole. This allows for the easy manufacture of a two-layer seat pad with protrusions and through holes.

[0037] In addition, the locking part can be used to lock the cover to the protrusion from the inside, thereby fixing the cover to the seat cushion more firmly.

[0038] In addition, by forming a second through hole in the folding groove, the folding member used for folding into the skin can be used as a locking part, and the folding member can be locked into the protrusion.

[0039] By positioning the first through hole at a position that overlaps with the third through hole in the seat width direction, the position of the first through hole becomes easier to determine, and the position of the adjacent protrusion becomes easier to know, thus serving as a reference when installing the cover, improving workability. Attached Figure Description

[0040] [ Figure 1 [ ] is a perspective view of the vehicle seat according to the first embodiment.

[0041] [ Figure 2 [This is a top view of the vehicle's seats.]

[0042] [ Figure 3 ] is along Figure 2 A cross-sectional view of the seat cushioning pads on line III-III.

[0043] [ Figure 4 ] is to Figure 3 A magnified cross-sectional view of part A.

[0044] [ Figure 5 [ ] is an enlarged cross-sectional view showing another example of the seat cushion padding in part A.

[0045] [ Figure 6 [This is a bottom view of the second padding component that makes up the seat cushion padding.]

[0046] [ Figure 7 [This is a top view of the first padding component that makes up the seat cushion padding.]

[0047] [ Figure 8A [ ] is an explanatory diagram illustrating the manufacturing method of the seat cushion padding.

[0048] [ Figure 8B [ ] is an explanatory diagram illustrating the manufacturing method without a second through hole.

[0049] [ Figure 9 [This is a perspective view of the vehicle seat of the second embodiment, viewed from a diagonal front.]

[0050] [ Figure 10 [ ] is a three-dimensional drawing showing the seat frame of a vehicle seat.

[0051] [ Figure 11 [This is a diagram showing the inner surface of the cover that covers the back of the seat back.]

[0052] [ Figure 12 [] is a diagram showing the upper part of the backrest padding.

[0053] [ Figure 13A ] is along Figure 12 The cross-sectional view along line XIII-XIII shows the state in which the cover is installed on the backrest padding.

[0054] [ Figure 13B [] is a cross-sectional view showing another example of a concave portion.

[0055] [ Figure 14A [Image showing the interlocking components viewed from the inside of the skin.]

[0056] [ Figure 14B [] indicates the direction along which the engaging component moves. Figure 14A A cross-sectional view of the BB line.

[0057] [ Figure 15A [Illustration 1] shows another example of a locking member, and also shows the inner surface of the skin and the recess that engages with the locking member.

[0058] [ Figure 15B ] indicates that Figure 15A The front view of the backrest pad with the cover installed in the recess shown.

[0059] [ Figure 16A [Illustration 1] is another example of a locking member, and is a diagram showing its relationship with the recess.

[0060] [ Figure 16B [Illustration 1] is another example of a locking member, and is a diagram showing its relationship with the recess.

[0061] [ Figure 17A [] is a diagram showing another example of a locking component.

[0062] [ Figure 17B [] is a diagram showing another example of a locking component.

[0063] [ Figure 17C [] is a diagram showing another example of a locking component.

[0064] [ Figure 18[This is an exploded perspective view of the cushioning component of the seat cushion of the vehicle seat according to the third embodiment.]

[0065] [ Figure 19 [This is a top view of the second liner component.]

[0066] [ Figure 20 [This is a bottom view of the second liner component.]

[0067] [ Figure 21 [This is a rear view of the second liner component.]

[0068] [ Figure 22 [This is a bottom view showing the seat cushion with the cover installed on the second padding member.]

[0069] [ Figure 23 ] is along Figure 22 A cross-sectional view of lines XXIII-XXIII.

[0070] [ Figure 24 ] is along Figure 23 A cross-sectional view of the XXIV-XXIV line.

[0071] [ Figure 25 [] indicates magnification Figure 22 A magnified view of part A, showing the seam extending from the epidermal hook towards the suture line.

[0072] [ Figure 26A [] indicates magnification Figure 22 A magnified view of part B, showing the seam set on the skin.

[0073] [ Figure 26B [] is another example of a seam.

[0074] [ Figure 26C [] is another example of a seam.

[0075] [ Figure 27 [This is a cross-sectional view of the skin hook with the bracket inserted.]

[0076] [ Figure 28 ] is along Figure 22 A cross-sectional view of lines XXVIII-XXVIII, showing the positional relationship between the epidermal hook and the suture.

[0077] [ Figure 29 [] indicates magnification Figure 19 The diagram of part E.

[0078] [ Figure 30 ] is along Figure 29A cross-sectional view of line XXX-XXX, showing the structure of the wire harness hook fixing part.

[0079] [ Figure 31 [This is another example of a wire harness hook fixing part.]

[0080] [ Figure 32 [] indicates magnification Figure 29 The diagram is a portion of F, and is a diagram representing the detection sensor fixed to the second liner member.

[0081] [ Figure 33 ] is along Figure 32 A cross-sectional view of line XXXIII-XXXIII, and a diagram showing the method of fixing the detection sensor.

[0082] [ Figure 34A [Illustration 1] is another example of a detection sensor fixed to the second liner member.

[0083] [ Figure 34B [Illustration 1] is another example of a detection sensor fixed to the second liner member.

[0084] [ Figure 35 [This is an explanatory diagram of a forming mold used to create the hook fixing part of a wire harness.]

[0085] [ Figure 36 [] is a diagram showing a resin board for mounting wire harnesses installed on the outer sheath.

[0086] [ Figure 37 [ ] is a bottom view showing the inner surface of the first padding member, and is a diagram showing the position of the inner surface material disposed on the inner surface of the first padding member. Detailed Implementation

[0087] <<First Implementation>>

[0088] The following is for reference Figures 1 to 8B The vehicle seat 1 (an example of a vehicle seat) according to an embodiment of the present invention (hereinafter, this embodiment) will be described.

[0089] The following embodiments are merely examples used to facilitate understanding of the present invention and are not intended to limit the invention. That is, changes and modifications can be made to the shape, size, arrangement, etc. of the components described below without departing from the spirit of the present invention, and equivalents thereof are naturally included in the present invention.

[0090] Furthermore, as an example of a seat, a vehicle seat 1 mounted in a vehicle will be described below, along with its structural example. In the following description, "front-rear direction" refers to the front-rear direction of the vehicle seat, which is the same as the direction of travel when the vehicle is in motion. "Seat width direction" refers to the width direction of the vehicle seat (in other words, the width direction of the seat body), which is the same as the left-right direction observed by the occupant sitting in the vehicle seat. "Up-down direction" refers to the up-down direction of the vehicle seat, which is the same as the vertical direction when the vehicle is traveling horizontally.

[0091] In addition, regarding the shape, position, and posture of the various parts of the vehicle seat described below, unless otherwise specified, examples are given assuming the vehicle seat is in a seated state.

[0092] <<Vehicle Seats>>

[0093] Reference Figure 1 and Figure 2 The basic structure of the vehicle seat 1 in this embodiment will be described. Figure 1 This is a 3D view of vehicle seat 1. Figure 2 This is a top view of vehicle seat 1. For ease of illustration, Figure 1 A portion of the vehicle seat 1 is illustrated with the structure after the cover 30 has been removed from the seat cushion pad 5.

[0094] The vehicle seat 1 is a rear seat of a car that is mounted on the vehicle floor and can accommodate three occupants. However, it is not limited to this. The vehicle seat 1 may also be a front seat located at the front of the vehicle, or it may be used as the middle seat in the second row or the rear seat in the third row in a vehicle that includes three rows of seats in the front-rear direction.

[0095] Furthermore, the vehicle seat 1 is mainly composed of the following components: a backrest portion supporting the back of the seat occupant, namely the seat back 2; a backrest portion supporting the back of the seat occupant, namely the seat cushion 3; and a headrest 4 disposed on the upper part of the seat back 2 and supporting the head of the seat occupant.

[0096] Additionally, a seat back frame (not shown) serves as the skeleton within the seat back 2. For example... Figure 1 As shown, the seat cushion 3 includes a seat cushion liner 5 (seat liner) and a cover 30 covering the seat cushion liner 5. In addition, a portion of the cover 30 is folded inward toward the liner side (the bottom side of the seat cushion 3), thereby forming a cover groove 7 on the surface of the seat cushion 3.

[0097] Figure 3It is a cross-sectional view of the seat cushion 3, and mainly shows the structure of the seat cushion pad 5. Figure 4 It is Figure 3 A magnified cross-sectional view of part A.

[0098] like Figure 3 As shown, the seat cushion pad 5 includes a first pad member 10 and a second pad member 20 comprising a material harder than the first pad member 10. The first pad member 10 is disposed on the second pad member 20, and the first pad member 10 is supported from below by the second pad member 20.

[0099] <<First Pad Component>>

[0100] Here, use Figure 3 and Figure 7 The structure of the first liner member 10 will be described. Figure 7 This indicates the upper surface of the first cushioning member 10. The first cushioning member 10 is, for example, a cushioning member comprising a foamed resin such as urethane foam. Figure 7 As shown, the first liner member 10 is oriented in the same direction as... Figure 2 The upper surface of the seat cushion 3 shown has a shape that is roughly the same as the shape shown.

[0101] like Figure 3 As shown, a bulge 14 with its bottom surface bulging downwards is formed in the first padding member 10. The bulge 14 serves to support the occupant's buttocks. Furthermore, when the first padding member 10 is disposed on the second padding member 20, the bottom surface of the bulge 14 is embedded into the opening 22 of the second padding member 20.

[0102] In addition, such as Figure 7 As shown, in order to form the skin groove 7, a plurality of folding grooves 12 are formed in the first padding member 10 for folding the skin 30 in. In addition, a folding hole 13 is formed in a part of the folding groove 12, through which the skin 30 is introduced to the bottom side of the first padding member 10. Furthermore, a plurality of second through holes 11, which will be described later, are also formed in the folding groove 12, and the second through holes 11 are also used when fixing the skin 30 to the seat cushion padding 5.

[0103] <<Second Pad Component>>

[0104] Next, the structure of the second cushion member 20 will be described. As described above, the second cushion member 20 is formed of a material harder than the first cushion member 10. In this embodiment, it is formed of a foaming resin such as expanded polypropylene (EPP). The first cushion member 10 is disposed on the upper surface side of the second cushion member 20, and the second cushion member 20 supports the first cushion member 10 from below. By forming the seat cushion liner 5 with two cushion members of different hardness, it is thinner than a cushion liner formed of a single layer, while improving the seating comfort and maintaining rigidity.

[0105] like Figure 3 As shown, in the second padding member 20, an opening 22 is formed at a position facing the seat surface where the occupant sits, and the bulge 14 of the first padding member 10 is embedded in the opening 22.

[0106] In addition, such as Figure 3 and Figure 6 As shown, a plurality of protrusions 23, 23A, and 23B are provided on the lower surface of the second padding member 20, and are configured such that the ends of the skin 30 covering the seat cushion padding 5 are locked by the protrusions 23, 23A, and 23B. A hole 31 is formed at the end of the skin 30, serving as the locked portion through which the protrusions 23 are inserted. Figure 3 and Figure 4 As shown, after the back of the seat cushion pad 5 is covered by the cover 30, the hole 31 formed at the end of the cover 30 is hooked onto the protrusion 23, thereby installing the cover 30 onto the seat cushion pad 5.

[0107] Furthermore, protrusion 23 is a protrusion disposed adjacent to the first through hole 21 described later, while protrusion 23A is a protrusion formed around the second padding member 20 and disposed not adjacent to the first through hole 21. Protrusion 23B is a protrusion disposed around the opening 22 and secured to the skin 30 by a folded-in portion 32 extending through the opening 22.

[0108] Furthermore, the hole 31 formed at the end of the skin 30 is one example of a locking portion, but is not limited to this. The locking portion provided at the end of the skin 30 may, for example, be a U-shaped hook.

[0109] like Figure 4 As shown, a forward-bending bend 24 is provided at the front end portion 23a of the protrusion 23, and the protrusion 23 is generally formed in a J-shape. Therefore, after the hole 31 of the skin 30 is inserted into the protrusion 23, the hole 31 of the skin 30, which is stuck, is not easily dislodged from the protrusion 23 by means of the bend 24.

[0110] In addition, such as Figure 4As shown, the head of the buckled portion 24 is inclined at an angle toward the lower surface of the second pad member 20. Therefore, when the skin 30 is installed, the hole 31 can easily be engaged with the protrusion 23, and on the other hand, after the hole 31 is engaged, the end of the skin 30 is not easily disengaged from the protrusion 23.

[0111] In addition, such as Figure 4 As shown, the protrusion 23 is formed such that the thickness T2 of its root portion 23b is greater than the thickness T1 of its front end portion 23a. By forming the root portion 23b, which serves as a connecting portion, to be thicker than the front end portion 23a, the strength of the connecting portion can be increased, thereby improving the rigidity of the protrusion 23.

[0112] because Figure 4 The protrusion 23 shown protrudes downwards from the bottom surface of the second cushion member 20, so that when the seat cushion pad 5 is installed, the protrusion may come into contact with other members. Therefore, for example, as Figure 5 As shown, a raised portion 25 may also be provided around the protrusion 23, the raised portion 25 being raised to a height H2 that is higher than the height H1 at which the protrusion 23 protrudes from the bottom surface of the second pad member 20.

[0113] By surrounding and embedding the protrusion 23 with the raised portion 25, contact between the protrusion 23 and other components is prevented, and the protrusion 23 will not become an obstacle when the seat cushion pad 5 is installed. Furthermore, for example, when the seat pad is placed on a floor surface, no load is applied to the protrusion 23, thus preventing damage to the protrusion 23. Figure 5 In the example shown, the protrusion 23 is formed by providing an additional raised portion 25 around the protrusion 23, but the protrusion 23 may also be provided in a recessed portion formed in the second pad member 20.

[0114] <<First Through Hole and Second Through Hole>>

[0115] Furthermore, in the second padding member 20, a first through hole 21 is formed at a position adjacent to the protrusion 23, extending from the inner surface of the second padding member 20 toward the surface (the surface in contact with the first padding member 10). Additionally, as... Figure 3 and Figure 4 As shown, a second through hole 11 communicating with the first through hole 21 is formed in the first gasket member 10. Figure 7 As shown, the second through hole 11 is formed in the folding groove 12 for folding into the skin 30.

[0116] like Figure 4As shown, the skin 30 has a fold-in portion 32 extending from the inner surface as a locking member. The fold-in portion 32 can be inserted into the first through hole 21 and the second through hole 11, and the front end of the fold-in portion 32 is locked to the protrusion 23 adjacent to the first through hole 21. By engaging the fold-in portion 32 with the protrusion 23, the skin 30 can be installed on the seat cushion pad 5 while being folded in. Thus, the protrusion 23 can be used for both fixing the skin 30 using the hole 31 at the rear end and fixing it using the fold-in portion 32.

[0117] Here, the effect during manufacturing of forming a second through hole 11 that communicates with the first through hole 21 in the first liner member will be explained.

[0118] When forming the first padding component 10 made of foamed urethane, such as Figure 8A As shown, foaming material is supplied to the first liner side mold 41 to cause it to foam and harden, and the second liner member 20 and the second liner side mold 42 are integrally foamed, thereby forming the first liner member 10. During forming, if the first liner member 10 does not have a second through hole 11 communicating with the first through hole 21, the following situation exists: Figure 8B The foaming material (urethane) shown flows into the first through hole 21, thereby blocking the first through hole 21.

[0119] like Figure 8A As shown, when the first liner side mold 41 is formed in such a way as to form the second through hole 11 in the first liner member 10, the flow of foaming material into the first through hole 21 can be suppressed because the first through hole 21 is blocked by the protrusion inserted into the first through hole 21.

[0120] <<Third Through Hole>>

[0121] As described above, the second padding member 20 has an opening 22 forming a third through hole. As described above, the opening 22 is formed to accommodate the protrusion 14 of the first padding member 10, such as... Figure 6 As shown, the opening 22 has a width W2 that is wider than the width W1 of the first through hole 21, which is formed with the same width as the protrusion 23.

[0122] like Figure 6 As shown, the first through hole 21 is positioned to overlap with the opening 22 in the seat width direction. By positioning the first through hole 21 to overlap with the opening 22 in the seat width direction (left-right direction), when installing the cover 30 onto the seat cushion pad 5, the approximate position of the first through hole 21 can be determined with the opening 22 as a reference. This makes it easier to engage the hole 31 of the cover 30 with the protrusion 23 adjacent to the first through hole 21, thus improving workability.

[0123] Additionally, the second through hole 11A formed in the first padding member 10 can also be formed through the bulge 14 and communicate with the opening 22 of the second padding member 20. In this case, as Figure 6 As shown, the folded-in portion 32 extending from the inner surface of the epidermis 30 is engaged with the protrusion 23B formed around the opening portion 22.

[0124] Additionally, the protrusion 23B can also lock the folded-in portion 32, which passes through the first through hole 21B that communicates with the second through hole 11 of the folded-in groove 12 extending in the front-rear direction.

[0125] The length of the opening 22 in the front-back direction is set to be longer than the length of the first through hole 21B in the front-back direction, and the first through hole 21B is positioned at a position that overlaps with the opening 22 in the front-back direction. As a result, for example, the position of the first through hole 21B can be easily determined by the opening 22, improving workability.

[0126] In addition, such as Figure 6 As shown, a guide groove 26 is formed on the bottom surface of the second pad member 20. The guide groove 26 can accommodate a wiring harness connected to an electronic control unit (ECU) or a seated sensor. The guide groove 26 connects to the opening 22, facilitating the wiring harness to be arranged towards the rear of the second pad member 20 through the opening 22 and the guide groove 26. Furthermore, by arranging the wiring harness along the guide groove 26, the ease of wiring harness installation is improved. Additionally, by using the guide groove 26 to protect the wiring harness, wire breakage can be suppressed.

[0127] In addition, such as Figure 6 As shown, a plurality of recesses 28 are formed on the side of the second cushion member 20, which are cut inward toward the seat. The recesses 28 are connected to... Figure 7 The protrusion provided on the outer edge of the first padding member 10, as shown, engages to suppress misalignment between the first padding member 10 and the second padding member 20.

[0128] In addition, the second liner member 20 may also include a foamed molded body or a three-dimensional mesh structure with a higher compressive strength than the first liner member 10, besides EPP. For example, the foamed molded body may also be a thermoplastic resin such as polystyrene resin, polyolefin resin, or a composite resin thereof.

[0129] Furthermore, this invention is applicable not only to vehicle seats, but also to seats in various modes of transportation such as trams, airplanes, and ships.

[0130] <<Second Implementation>>

[0131] Next, a second embodiment of the present invention will be described. The second embodiment relates to a vehicle seat, and more particularly to a vehicle seat including an engaging member for folding into the cover.

[0132] <Background Technology>

[0133] In the past, vehicle seats used a mounting member extending from the inside of the backrest cushion to fold the leather into the backrest pad. A hook at the front end of this member was attached to a metal wire embedded in the backrest cushion, thus folding the leather in. This required the installation of the metal wire into the backrest cushion, increasing manufacturing costs.

[0134] In addition, in the seat with a fold-in portion described in Japanese Patent Application Publication No. 61-41484, the skin is fixed by embedding a membrane material in a recess formed in the pad and fusing the inner surface of the skin to the membrane material, and a groove is formed on the surface side of the skin.

[0135] <The problem the invention aims to solve>

[0136] In the seat described in Japanese Patent Application Publication No. 61-41484, the membrane material is integrally formed with the cushion during molding in order to install the membrane material into the recess. The membrane material is installed during molding, but since the cover is fixed to the membrane material by welding or the like, it is not easy to remove the cover from the seat cushion once it is installed.

[0137] The present invention was made in view of the aforementioned problems, and its object is to provide a vehicle seat in which the cover can be easily attached and detached from the seat cushion without embedding metal wires in the seat cushion.

[0138] <Technical means to solve the problem>

[0139] The problem is solved by the following method: a vehicle seat according to the present invention includes: a seat cushion; a cover for covering the seat cushion; and an engaging member disposed on the cover for engaging or disengaging with respect to the seat cushion, the engaging member having an insertion portion capable of being inserted into the seat cushion.

[0140] By providing a locking member with an insertion part that can be inserted into the seat cushion, the cover can be easily installed onto the seat cushion without embedding metal wires in the seat cushion.

[0141] Additionally, in the vehicle seat, the engaging member may be provided with a plurality of insertion portions, each of which has at least: a first insertion portion disposed at one end of the engaging member; and a second insertion portion disposed at the other end located on the opposite side of the one end.

[0142] By providing insertion portions at one end of the engaging member and at the other end on the opposite side, the engaging member can be more securely fixed to the seat cushion.

[0143] Alternatively, in the vehicle seat, the insertion portion may be formed as a convex shape.

[0144] By forming the insertion part into a convex shape, the insertion part can be inserted deeper into the seat cushion, thereby securing the engaging member more firmly to the seat cushion.

[0145] Alternatively, in the vehicle seat, the engaging member may have a flat plate shape, and the insertion portion may protrude from the end of the engaging member in a planar direction.

[0146] By having the insertion part protrude from the end of the engaging member in a planar direction, it can more strongly resist the force in the direction in which the engaging member is stretched (the direction perpendicular to the engaging member), thus firmly fixing the engaging member to the seat cushion.

[0147] Additionally, in the vehicle seat, a notch may be formed on the side of the engaging member facing the seat cushion.

[0148] By creating a notch on the side facing the seat cushion, the plate-shaped locking member can be easily bent, making it easier to install the locking member onto the seat cushion.

[0149] Alternatively, in the vehicle seat, a hole or cutout may be formed in the engaging portion.

[0150] By forming holes or cutouts in the engagement section, the plate-shaped engagement member can be easily bent, making it easier to install the engagement member onto the seat cushion.

[0151] Alternatively, in the vehicle seat, a recess is formed in the seat cushion to engage with the engaging member, and an insertion portion is formed on the side wall of the recess for the insertion portion of the engaging member to be inserted.

[0152] By forming a recess in the seat cushion and an insertion portion on the side wall of the recess, the engaging member can be more securely installed in the seat cushion.

[0153] Additionally, in the vehicle seat, the recess may be formed such that its width increases as it extends from the opening toward the bottom.

[0154] By shaping the opening of the recess so that its width increases towards the bottom, with the opening being narrower than the bottom, the inserted engaging member is less likely to detach. This allows the engaging member to be more securely attached to the seat cushion.

[0155] Additionally, in the vehicle seat, a rigid portion with higher rigidity than the seat cushion may be provided around the recess in the seat cushion.

[0156] By setting a part around the recess that is more rigid than the seat cushion, the area around the recess is less prone to deformation, allowing for a more secure installation of the locking components.

[0157] Additionally, the vehicle seat may include: a seat back with the seat pad and the cover; a seat cushion connected to the lower end of the seat back; a headrest disposed on the upper side of the seat back; and a seat frame forming the skeleton of the seat cushion and the seat back.

[0158] <The Effects of the Invention>

[0159] According to the second embodiment of the vehicle seat, by providing a locking member with an insertion portion that can be inserted into the seat cushion on the surface, the surface can be freely installed onto the seat cushion without embedding a metal wire in the seat cushion.

[0160] In addition, by providing insertion portions at one end of the engaging member and at the other end on the opposite side, the engaging member can be more securely fixed to the seat cushion.

[0161] In addition, by forming the insertion part into a convex shape, the insertion part can be inserted deeper into the seat cushion, thereby securing the engaging member to the seat cushion more firmly.

[0162] In addition, by having the insertion part protrude from the end of the engaging member in a planar direction, it can more strongly resist the force in the direction in which the engaging member is stretched (the direction perpendicular to the engaging member), thus the engaging member can be firmly fixed to the seat cushion.

[0163] In addition, by forming a notch on the side facing the seat cushion, the plate-shaped locking member can be easily bent, making it easier to install the locking member onto the seat cushion.

[0164] In addition, by forming holes or cutouts in the engagement portion, the plate-shaped engagement member is easier to bend, making it easier to install the engagement member onto the seat cushion.

[0165] In addition, by forming a recess in the seat cushion and an insertion portion in the side wall of the recess, the engaging member can be more securely installed in the seat cushion.

[0166] Furthermore, by shaping the opening of the recess to widen towards the bottom, the width of the opening is narrower than the width of the bottom, making it less likely for the inserted engaging member to detach. This allows the engaging member to be more securely installed in the seat cushion.

[0167] In addition, by setting a part around the recess that is more rigid than the seat cushion, the area around the recess is less prone to deformation, allowing for a more secure installation of the locking components.

[0168] <Detailed Implementation>

[0169] Hereinafter, the structure of a vehicle seat according to the second embodiment (this embodiment) of the present invention will be described with reference to the accompanying drawings. However, the embodiment described below is an example intended to facilitate understanding of the present invention and does not limit the present invention. That is, the present invention can be modified and improved without departing from its spirit, and its equivalents are naturally included in the present invention.

[0170] Furthermore, as an example of a vehicle seat, a vehicle seat will be described below, along with its structural example. In the following description, "front-rear direction" refers to the front-rear direction of the vehicle seat S, and is the direction consistent with the vehicle's direction of travel. "Seat width direction" refers to the width direction of the vehicle seat, and is the direction consistent with the left-right direction observed by the occupant seated in the vehicle seat S. "Up-down direction" refers to the up-down direction of the vehicle seat S, and is the direction consistent with the vertical direction when the vehicle is traveling horizontally.

[0171] In addition, in the following explanation, when “seat” is marked in various directions such as “seat width direction” or “seat height direction”, it indicates the direction relative to the vehicle seat S. When “vehicle” is marked in various directions such as “inside vehicle” or “outside vehicle”, it indicates the direction relative to the vehicle.

[0172] In addition, regarding the shape, position, and posture of each part of the vehicle seat S described below, unless otherwise specified, examples will be given assuming that the vehicle seat S is in a seatable state.

[0173] <<Basic Structure of Vehicle Seats>>

[0174] Reference Figure 9 The basic structure of the vehicle seat S according to the second embodiment will be described. Figure 9 This is a three-dimensional view of the vehicle seat S, taken from a frontal, oblique angle. For ease of illustration, Figure 9 A portion of the vehicle seat S is illustrated with the structure after the cover 120 has been removed.

[0175] The vehicle seat S is a seat mounted on the vehicle body floor and used for the occupants of the vehicle to sit on. In this embodiment, the vehicle seat S is used as a front seat, which corresponds to the front seat of the vehicle. However, it is not limited to this, and the vehicle seat S may also be a rear seat of the vehicle.

[0176] like Figure 9 As shown, the vehicle seat S is mainly composed of the following components: a seat cushion S1 that supports the buttocks of the occupant, a backrest S2 that supports the back of the occupant, and a headrest S3 that is disposed on the upper part of the backrest S2 and supports the head of the occupant.

[0177] The rear end of the seat cushion S1 is connected to the lower end of the seat back S2. Additionally, although not shown in the figure, a slide rail is provided at the lower part of the seat cushion S1, through which the vehicle seat S is mounted on the vehicle floor in a state where it can slide in the fore-and-aft direction.

[0178] In the vehicle seat S, there is a Figure 10 The seat frame F shown mainly includes a cushioning frame 101 and a backrest frame 102. The cushioning frame 101 forms the skeleton of the seat cushion S1 of the seat frame F, and the backrest frame 102 forms the skeleton of the seat back S2 of the seat frame F.

[0179] like Figure 10 As shown, the cushioning frame 101 of the seat frame F has a generally square frame shape. Moreover, the cushioning frame 101 is mainly composed of the following components: a pair of cushioning side frames 103 that constitute the left and right ends in the width direction of the seat, a disc frame 104a that constitutes the front end of the cushioning frame 101, and a spring 105 (S spring).

[0180] To define the width of the buffer pad frame 101, the two buffer pad side frames 103 are configured to be separated in the left-right direction and extend in the front-rear direction of the vehicle. Furthermore, the front tube 104b, which connects the two buffer pad side frames 103, is mounted at the front end, and the rear tube 104c is mounted at the rear end.

[0181] The backrest frame 102 mainly comprises tubes processed into a square frame shape, such as... Figure 10 As shown, the backrest frame 102 includes: an inverted U-shaped upper frame 106a, a pair of backrest side frames 107 forming the left and right ends in the width direction of the seat, and a lower frame 106b connecting the lower ends of the pair of backrest side frames 107.

[0182] Additionally, a pressure plate 108 is provided on the backrest frame 102. A cylindrical headrest guide 106c is installed at the upper center of the backrest frame 102. The headrest S3 is installed on the seat backrest S2 by inserting a headrest column extending from the lower end of the headrest S3 into the headrest guide 106c.

[0183] Furthermore, the seat cushion S1 is constructed such that a cushioning pad 109, serving as a seat liner, is placed on the cushioning pad frame 101, and then the cushioning pad 109 is covered by a cover 120. The seat backrest S2 is constructed such that a backrest pad 110, serving as a seat liner, is disposed on the backrest frame 102, and then the backrest pad 110 is covered by a cover 120.

[0184] The cushioning pad 109 and backrest pad 110, serving as seat cushions, are, for example, urethane substrates formed using a urethane foaming agent and through foaming molding. Furthermore, the cover 120 covering the backrest pad 110 and cushioning pad 109 is made of cloth, film, fabric, leather, or sheet material, and is installed to cover the cushioning pad 109 and backrest pad 110 in a state of being stretched under a predetermined tension. Moreover, as... Figure 9 As shown, a skin groove 121 is formed on the surface of the seat back S2 by folding in.

[0185] <<Fold-in Structure>>

[0186] The following uses Figures 11 to 14B The structure in which the skin 120 is folded into the backrest pad 110 in order to form a skin groove 121 on the surface of the seat back S2 will be described.

[0187] Figure 11 This is a diagram showing the inner surface 120b of the cover 120 that covers the back of the seat back S2. Figure 12 This is a diagram showing the upper part of the backrest padding 110 after the outer skin 120 has been removed. Figure 13A This is a cross-sectional view showing the backrest pad 110 with the outer skin 120 installed. Figure 13B This is a diagram showing another example of a recess 111 formed in the backrest pad 110. Figure 14A This diagram shows the engaging member 130 disposed on the skin 120. Figure 14B This is a cross-sectional view of the engaging component 130.

[0188] A connecting member 122, which is installed along the surface groove 121, is provided on the inner surface 120b of the cover 120 that covers the back of the backrest pad 110. The connecting member 122 is a component formed, for example, of resin or non-woven fabric. A locking member 130 is provided at the front end of the connecting member 122, which can engage or disengage with the backrest pad 110. The connecting member 122 and the locking member 130 are joined together by sewing. Therefore, the locking member 130 can rotate relative to the connecting member 122 about the sewn part. Figure 13A and Figure 14A As shown, the engaging member 130 is a resin member formed in the shape of a flat plate.

[0189] Furthermore, on the inner surface 120b of the outer skin 120, below the connecting member 122, there is a mounting member 123 for mounting the lower outer skin 120 to the backrest pad 110.

[0190] Previously, a J-shaped hook was installed at the front end of the connecting structural component, and the J-shaped hook was hooked onto a metal wire embedded in the backrest padding, thereby installing the outer skin.

[0191] In the vehicle seat S of this embodiment, a locking member 130 with an insertion portion 131 that can be inserted into the backrest pad 110 is provided at one end of the connecting member 122, and the locking member 130 is detachably fixed to the backrest pad 110.

[0192] If described in more detail, then as follows Figure 13A As shown, a recess 111 is formed in the backrest pad 110 to engage with the engaging member 130, and an insertion portion 113 is formed on the inner wall 112 of the recess 111 for the insertion portion 131 to be inserted into. The insertion portion 113 is formed on the inner wall 112 in the manner of surrounding the bottom 111b of the recess 111, for example, in the shape of a slit or groove. By forming the insertion portion 113 as a bottom cut in the recess 111, the engaging member 130 can be more securely engaged with the recess 111. The insertion portion 113 may also be a cut in the inner wall 112 corresponding to the shape of the front end of the insertion portion 131.

[0193] Alternatively, it can be like Figure 13B As shown in the recess 111, the insertion portion 113A is formed by an inclined surface recessed near the center of the inner wall 112. That is, Figure 13BThe recess 111 shown is formed such that its width W1 in the vertical direction (the spacing between opposing inner walls) widens as it extends from the opening 111a towards the bottom 111b. Alternatively, the recess 111 may also be formed such that its width in the horizontal direction widens as it extends towards the bottom 111b. By making the width W1 of the opening 111a smaller than the vertical width W2 of the inserted portion 113A of the recess 111, the inserted engaging member 130 is less likely to detach, allowing for a more secure installation.

[0194] In addition, such as Figure 12 and Figure 13A As shown, a lining fabric 115, impregnated with resin or coating, is integrally provided around the opening 111a of the recess 111 as a rigid part. The lining fabric 115 is a component with higher rigidity than the backrest pad 110, and may contain, for example, non-woven or woven fabric. By providing the lining fabric 115 around the recess 111, deformation of the opening 111a of the recess 111 can be suppressed, thereby further strengthening the holding force of the engaging member 130. Furthermore, the lining fabric 115 is one example; as a rigid part, the lining fabric 115 may also be a plastic sheet. Alternatively, the rigidity can be increased by directly impregnating the area around the recess 111 with resin or coating.

[0195] like Figure 14B As shown, regarding the insertion part 131, after the engaging member 130 is inserted into the opening 111a of the recess 111 while the engaging member 130 is bent, the engaging member 130 is restored to its original flat shape, thereby inserting the insertion part 131 into the inserted part 113.

[0196] By inserting the insertion part 131 into the inserted part 113, and as Figure 13A As shown, the engaging member 130 is fixed to the recess 111 and folded in by the connecting member 122, thereby forming a skin groove 121 on the surface 120a of the skin 120.

[0197] When the engaging member 130 is removed from the recess 111, the engagement is released by bending the engaging member 130 in the same way as during insertion and pulling the insertion part 131 out of the insertion part 113, and the engaging member 130 can be removed from the recess 111.

[0198] By configuring the engaging member 130, which can engage or disengage with the recess 111, the cover 120 can be easily installed on the backrest pad 110 without the need to embed metal wires in the backrest pad 110.

[0199] like Figure 14AAs shown, the engaging member 130 used in this embodiment is provided with a plurality of insertion portions 131. The engaging member 130 is installed in the recess 111 by inserting the plurality of insertion portions 131 into the inserted portion 113. More specifically, two engaging members 130 are provided in the connecting member 122, and two first insertion portions 131a are provided at the upper end 130a (one end) of each engaging member 130, and two second insertion portions 131b are provided at the lower end 130b (the other end) located on the opposite side of the upper end. Furthermore, unless otherwise specified, the first insertion portions 131a and the second insertion portions 131b are sometimes collectively referred to as insertion portions 131.

[0200] like Figure 11 and Figure 14A As shown, the insertion portions 131 are each formed in a convex shape, protruding from the end of the flat engagement member 130 in a planar direction. That is, the insertion portions 131 are in an upward or downward protruding state when the engagement member 130 is installed in the recess 111. Furthermore, the protruding direction is one example; the insertion portions 131 may also protrude from the left or right ends of the engagement member 130 in a left or right direction (the width direction of the sheet).

[0201] By having the insertion portion 131 protrude from the end of the engaging member 130 in a planar direction, it can more strongly resist the force in the direction (vertical direction of the engaging member 130) in which the engaging member 130 is stretched by the connecting member 122. As a result, the engaging member 130 can be firmly fixed to the backrest pad 110.

[0202] Figure 11 and Figure 14A The insertion portion 131 shown is a triangular shape with a tapered tip. By forming it as a triangle, it can easily bite into the padding material and be inserted deeper into the inner wall 112 of the recess 111. Furthermore, the triangular shape is one example; it can also be formed as a quadrilateral, trapezoid, or semicircle.

[0203] In addition, such as Figure 14A and Figure 14B As shown, a plurality of notches 132 are formed on the inner side of the engaging member 130 (the side facing the backrest pad 110). The plurality of notches 132 are arranged in parallel, extending in the left-right direction. By forming the notches 132, thus... Figure 14B As shown, the engaging member 130 is prone to bending when bent. Figure 14B As shown, the cross-section of notch 132 can be semi-circular or wedge-shaped. For example... Figure 14BAs shown by the dotted line, the operator bends the engaging member 130 until its height, including the insertion portion 131, is the size of the opening 111a that can be inserted into the recess 111, and then inserts the engaging member 130 into the recess 111. The inserted engaging member 130 is then restored to its original flat shape inside the recess 111, and the insertion portion 131 is inserted into the inserted portion 113, thereby fixing the engaging member 130. By forming the notch 132 in this way, the engaging member 130 is easily flexible in the insertion direction and not easily bent in the disassembly direction, thus making it easy for the engaging member 130 to enter the recess 111 but difficult to remove.

[0204] <<Interlocking Components: Another Example 1>>

[0205] exist Figure 11 and Figure 12 The skin 120 shown has two engaging members 130 installed on the connecting structural member 122. The number of engaging members 130 is not limited to multiple; for example, it can also be as follows: Figure 15A The upper section shows a snap-fit ​​component 130A. Because it can be installed in a single operation, the manufacturing process is simplified. For example... Figure 15A As shown in the lower section, a recess 111A is formed in the backrest pad 110, and the cover 120 is installed on the backrest pad 110.

[0206] When using a single engaging member 130A for installation, the length of the engaging member 130A in the seat width direction is longer than that of two engaging members 130, thus allowing the cover 120 to be introduced over a wider range. Additionally, as... Figure 15A As shown, the engaging member 130A has three insertion portions 131 at its upper and lower ends. In addition, the engaging member 130A has insertion portions 131 not only at its upper and lower ends, but also at its left and right ends.

[0207] By providing insertion portions 131 at the left and right ends respectively, thus achieving... Figure 15B As shown, when the engaging member 130A is inserted into the recess 111A, the insertion part 131 not only bites into the inserted part 113 of the upper and lower inner walls 112, but also bites into the inserted part 113 of the left and right inner walls 112, so that it can be more firmly fixed.

[0208] <<Interlocking Components: Another Example 2>>

[0209] Figures 11 to 14B The engaging member 130 shown engages by inserting it into the recess 111 while bending it, and then restoring it to its original flat shape after insertion. The installation method of the engaging member 130 is one example, such as... Figure 16A and Figure 16B As shown, the engaging members 130B and 130C can also be engaged with the recess 111 by rotating them in the direction of arrow A after inserting them into the recess 111.

[0210] If described in more detail, then as follows Figure 16A , Figure 16B As shown, engaging members 130B and 130C are formed to the size of the opening 111a of the recess 111, including the insertion portions 131B and 131C. After engaging members 130B and 130C are inserted into the recess 111, they are rotated in the direction of arrow A. The insertion portions 131B and 131C are then inserted into the inserted portions 113B and 113C, as shown by the dashed lines. By inserting into the inserted portions 113B and 113C, their front ends engage, and engaging members 130B and 130C engage with the recess 111.

[0211] like Figure 16A As shown, the engaging member 130B has an insertion portion 131B formed at its left and right ends. During engagement, the engaging member 130B rotates, causing the insertion portion 131A to be positioned vertically. Since the engaging member 130B has a shape that is linearly symmetrical with respect to the center line, it can engage not only by rotating in the direction of arrow A, but also by rotating in the opposite direction.

[0212] on the other hand, Figure 16B The engaging member 130C shown has insertion portions 131C formed at its left and right ends, respectively. However, it has an inclined portion in the direction of rotation during engagement (arrow A direction), and is formed in a point-symmetric shape centered on the center point of the engaging member 130B. Because the insertion edge is inclined during engagement, the insertion portion 131 easily enters the inserted portion 113C and easily rotates 90 degrees. In addition, a protrusion is provided on the opposite side of the inclined portion, making it difficult to rotate in the opposite direction to the insertion (arrow B direction), thereby making it difficult for the engaging member 130C to disengage from the recess 111.

[0213] <<Interlocking Components: Another Example 3>>

[0214] Figures 11 to 16B The described engaging member 130, engaging member 130A to engaging member 130B have an insertion part 131 provided in the rectangular main body, but it can also be as follows: Figure 17AAs shown in the diagram, the engaging member 130D has a rectangular cutout 133 formed in a portion of its main body. Because the engaging member 130D has cutouts 133 at both the top and bottom, it is generally H-shaped. By forming the cutouts 133, the central portion is more flexible than the outer portions, thus... Figure 17A As shown, the insertion part 131D is provided at the left and right ends of the engaging member 130D.

[0215] Alternatively, it can be like Figure 17B As shown in the example of the engaging member 130E, two holes 134 are formed on the upper and lower parts of a portion of the main body. By inserting a finger into each of the holes 134 and pinching it, the engaging member 130E can be easily bent. In addition, after being installed in the recess 111, it is also easy to pinch it using the holes 134, making it easy to remove the engaging member 130E.

[0216] Alternatively, it can be like Figure 17C As shown, the engaging member 130F is formed in a rhomboid shape, including the insertion portion 131F. By making the engaging member 130F rhomboid, the engaging member 130F becomes a simple shape, making it easy to manufacture.

[0217] The vehicle seat according to the second embodiment has been described above using the accompanying drawings. In particular, the following folding structure has been described, namely, the folding structure for forming a skin groove 121 on the surface 120a of the skin 120 covering the backrest pad 110 of the seat back S2. However, this is just one example, and the folding structure can also be applied to the seat cushion S1. That is, the skin 120 can be fixed to the cushion pad 109 by providing a locking member 130 with an insertion portion 131 on the inner surface of the skin 120 covering the cushion pad 109 of the seat cushion S1, and by engaging the locking member 130 with the recess formed in the cushion pad 109, thereby forming a skin groove. Similar to the seat back S2, the skin 120 can be easily installed on the cushion pad 109 without embedding the metal wire installed in the cushion pad 109 as in the past.

[0218] Furthermore, this invention is applicable not only to vehicle seats, but also to seats in various modes of transportation such as trams, airplanes, and ships.

[0219] <<Third Implementation Method>>

[0220] The third embodiment relates to a vehicle seat, and more particularly to a vehicle seat comprising a seat cushion and a cover for covering the seat cushion.

[0221] Conventionally, in vehicle seats that include a seat cushion, there are known vehicle seats that include a connecting member (e.g., a wire harness) disposed inside the seat cushion and used to connect electrical devices (e.g., see Japanese Patent Application Publication No. 2018-158096).

[0222] The vehicle seat disclosed in Japanese Patent Application Publication No. 2018-158096 includes a seat cushion, which is formed by overlapping a first cushion member and a second cushion member that is harder than the first cushion member. Furthermore, the second cushion member has a receiving groove (guide groove) for receiving a wire harness that connects to electrical devices (electrical components).

[0223] However, in vehicle seats with padding members of varying hardness, when covering the seat with the padding members overlapping, it is required that the cover be properly installed on the assembly of the padding members. For example, it is necessary to prevent the cover from unintentionally detaching or misaligning from the padding members after it has been installed on them.

[0224] In addition, it is required that wiring harnesses for connecting electrical devices, etc., be properly held inside the seat. For example, when the wiring harness is housed in a receiving groove formed on the surface of the cushioning member, it is required to prevent the wiring harness from unintentionally detaching from the receiving groove or from becoming misaligned within the receiving groove.

[0225] The third embodiment is made in view of the aforementioned problem, and its purpose is to provide a vehicle seat, wherein an assembly is provided for properly mounting the cover to the padding member.

[0226] Additionally, as another objective, it is to provide a vehicle seat in which an assembly is provided for properly holding the wiring harness within the padding member.

[0227] In the following embodiments, as an example of a vehicle seat, a vehicle seat SA mounted in a vehicle is cited, with reference to... Figures 18 to 37 Its structure is illustrated.

[0228] Furthermore, in the following explanation, "front-rear direction" refers to the front-rear direction of the vehicle seat SA, and is the direction consistent with the vehicle's direction of travel. "Seat width direction" refers to the width direction of the vehicle seat SA, and is the direction consistent with the left-right direction observed by the occupant seated in the vehicle seat SA. "Up-down direction" refers to the up-down direction of the vehicle seat SA, and is the direction consistent with the vertical direction when the vehicle is traveling horizontally.

[0229] Figure 18This is an exploded perspective view showing the padding 210 of the seat cushion 201 of the vehicle seat SA according to the third embodiment. Figure 19 This is a top view of the second liner member 212 that constitutes the liner 210. Figure 20 This is a bottom view of the second liner member 212. Figure 21 This is a rear view of the second liner member 212 as seen from the rear. Figure 22 This is a bottom view of the pad 210, showing the state in which the skin 202 is installed on the pad 210.

[0230] The seat cushion 201 of the vehicle seat SA is a seating part that supports the occupant from below, and includes a pad 210, which is the main part of the seat cushion 201, and a cover 202 that covers the pad 210.

[0231] like Figure 18 As shown, the pad 210 is a pad laminate formed by stacking multiple pad members one on top of the other. The pad 210 includes: a first pad member 211 disposed on the upper side (seat occupant side); and a second pad member 212 disposed on the lower side (vehicle side).

[0232] The second liner member 212 is formed to be harder than the first liner member 211.

[0233] The first padding member 211 is installed on the upper surface of the second padding member 212 in such a way that it covers the second padding member 212 from above.

[0234] When the first padding member 211 is assembled onto the second padding member 212, the first padding member 211 abuts against substantially the entire surface of the upper surface, front surface, and both sides of the second padding member 212. In addition, the first padding member 211 abuts against a portion of the rear surface of the second padding member 212.

[0235] The first padding member 211 is formed, for example, from a resin material such as urethane foam. Furthermore, a folding groove 211a for folding into the cover 202 is formed on the upper surface of the first padding member 211. Multiple folding grooves 211a are formed at intervals in the seat width direction and include: a longitudinal folding groove extending along the seat's fore-and-aft direction; and a transverse folding groove formed at approximately the center portion in the seat's fore-and-aft direction and extending along the seat width direction. Moreover, as... Figure 18 As shown, the horizontal fold-in groove connects the vertical fold-in groove.

[0236] A plurality of mounting recesses 211b are provided behind the first pad member 211 to hold the mounting protrusion 212b of the second pad member 212. An opening 211c is formed between the mounting recesses 211b, configured such that when assembled to the second pad member, the anchor through portion 212c of the second pad member 212 is exposed from the opening 211c.

[0237] The second padding member 212 is formed of a resin material such as expanded polypropylene (EPP). The second padding member 212 is disposed on the inner surface 211d side of the first padding member 211 and is configured to overlap the first padding member 211 in the vertical direction.

[0238] The upper surface of the second pad member 212 is provided with: a sensor receiving recess 229 for receiving the detection sensor 250; and a receiving groove 230, which is continuously disposed with the sensor receiving recess 229 and is used to receive the wire harness 240. The sensor receiving recess 229 and the receiving groove 230 are configured to be recessed in the thickness direction of the pad 210.

[0239] At the rear end of the second padding member 212, there are: a convex mounting protrusion 212b, a plurality of which are provided at intervals in the seat width direction and are used for mounting to the mounting recess 211b of the first padding member 211; and an anchor through portion 212c, which is disposed between adjacent mounting recesses 211b.

[0240] The anchor through-hole 212c is a through-hole for an anchor member (extension member) (not shown) to pass through, specifically a through-hole for an anchor member used to connect a child safety seat to pass through. Furthermore, the anchor member is mounted to the vehicle body in a configuration that extends from the vehicle body through the anchor through-hole 212c and protrudes forward from the seat body.

[0241] <Epidermal hook part 220>

[0242] like Figure 20 and Figure 22 As shown, a plurality of skin hook portions 220 are provided on the lower surface of the second padding member 212 for hooking and fixing the end of the skin 202. Furthermore, hook holes 203 are formed at corresponding positions of the skin hook portions 220 at the end of the skin 202. By hooking the skin 202 through the hook holes 203 to the skin hook portions 220, the skin is fixed in place. Figure 22 As shown, the skin 202 can be installed on the pad 210 while the first pad member 211 and the second pad member 212 are assembled.

[0243] like Figure 22As shown, the skin hook portion 220 has a support portion 221 erected from the lower surface of the second padding member 212 and a claw portion 222 extending from the front end of the support portion 221, and the overall cross-section is formed in an L shape.

[0244] The claw 222 of the leather hook 220 faces the inside of the seat cushion 201. Figure 23 The claw 222 extends in the direction of arrow C. In other words, the claw 222 is formed to extend in the direction of introducing the skin 202 when the skin 202 is installed.

[0245] Since the claw portion 222 extends toward the direction of introducing the skin 202, after the skin 202 is installed, the end of the skin 202 is not easy to detach from the skin hook portion 220, and the skin 202 is not easy to detach from the pad 210.

[0246] The cross-section of the skin hook 220 used to retain the skin 202 is L-shaped, so that it can be easily repaired even if the skin hook 220 is damaged for some reason. Because it can be easily repaired, even if the skin hook 220 is damaged, it is not necessary to discard the entire second padding member 212, thereby reducing waste.

[0247] Epidermis 202, for example, Figure 23 The diagram shows a structure formed by connecting multiple skin pieces 202a and 202b together. The skin pieces 202a and 202b are connected by sewing, with the seam 204 positioned, for example, at the corner of the second padding member 212 when covering the padding 210.

[0248] <Seam 205>

[0249] At the end of the skin 202, as described above, hook holes 203 are formed through claw portions 222, etc., that pass through the skin hook portions 220. Since the skin 202 is stretched by the skin hook portions 220, the rigidity in the stretched direction can be improved.

[0250] In this embodiment, such as Figure 25 As shown, a seam 205 is provided on the skin 202 along the direction in which the skin 202 is stretched, thereby increasing the rigidity of the skin 202 (more specifically, skin sheet 202a). The seam 205 is configured to extend radially toward the adjacent suture line 204 when the skin 202 is installed on the pad 210. By providing the seam 205 in this way, excess elongation in the skin 202 is suppressed. Since the skin 202 is less prone to elongation, it can be installed more tightly.

[0251] In addition, such as Figure 25As shown, the seam 205 can also extend in a manner connected to the suture 204. Alternatively, the seam 205 can be interrupted without being connected to the suture 204.

[0252] like Figures 26A-26C As shown, a joint 205 for improving rigidity can also be provided around the hook hole 203 formed on the skin 202.

[0253] exist Figure 26A In the skin 202 shown, seams 205 are provided around the entire circumference of the hook holes 203.

[0254] exist Figure 26B In the skin 202 shown, a seam 205 is provided along a portion around the hook hole 203 and at the end of the skin 202.

[0255] exist Figure 26C In the skin 202 shown, a seam 205 is provided along the entire circumference of the hook hole 203 and at the end of the skin 202.

[0256] By setting the seam 205 on the surface 202 in this way, the surface 202 is less likely to stretch, and the seat cushion 201 can be assembled more tightly.

[0257] In addition, the seam 205 provided on the skin 202 can also be as follows: Figure 26A and Figure 26B The seam 205 shown is sewn using continuous stitching. By using continuous stitching to sew the seam 205, the workability of the sewing is improved.

[0258] When the outer skin 202 is formed of a material that melts by heating (such as cloth, chemical fiber, polyethylene terephthalate (PET) resin, etc.), in order to improve the rigidity of the hook hole 203, an ultrasonic welding machine can be used to form a welded part around the hook hole 203 instead. Figures 26A to 26C The seam 205 is shown. For example, a reinforcing material such as a resin plate is disposed on the inner surface of the skin 202, and the skin 202 is fused to the resin plate, etc. By fusing the resin plate, etc., the rigidity around the hook hole 203 can be improved.

[0259] Alternatively, it can be used as a substitute Figures 26A to 26C The seam 205 shown is provided with a molten section formed by temporarily heating and melting the skin 202 itself using an ultrasonic welding machine. Since elongation is suppressed in the molten section, the rigidity of the skin material can be improved. Furthermore, both the seam 205 and the molten section can be formed to improve rigidity.

[0260] The seam 205 can be formed on the skin pieces 202a and 202b before the skin pieces 202a and 202b are joined together to form the skin 202. Alternatively, when the seam 205 is automatically sewn by a machine, the positioning component (e.g., a positioning hole) of the seam 205 can be positioned to avoid the hook hole 203 formed on the skin piece 202a.

[0261] <Gap Structure>

[0262] In the hook hole 203 through which the skin hook portion 220 passes, a clearance structure can be provided that is larger than the thickness of the support portion 221 of the skin hook portion 220. That is, the hook hole 203 of the skin 202, which only covers the non-flexible parts such as foamed polypropylene, can be formed to be larger than the thickness of the support portion 221.

[0263] To describe it in more detail, as follows: Figure 23 and Figure 26A As shown, as a clearance structure, the hook hole 203 is formed such that the length D1 of the hook hole 203 is greater than the length D0 of the support portion 221 in the direction in which the skin 202 is stretched. By forming it in this way, the hook hole 203 can easily be hooked onto the skin hook portion 220, improving workability during assembly.

[0264] <Chamfering of the 220° hook section>

[0265] In the epidermal hook portion 220, such as Figure 23 As shown, the corner 222a of the claw portion 222 that hooks onto the skin 202 is chamfered. The chamfered corner 222a is the part where the upper surface of the claw portion 222 joins with the side surface, and the chamfer can be made at the corner 222a that intersects the direction in which the skin 202 is stretched (arrow C in the figure).

[0266] In addition, such as Figure 24 As shown, it can also be in the direction of stretching ( Figure 23 The corner 222b, which extends parallel to the direction of arrow C, is chamfered. By chamfering the corners 222a and 222b of the claw portion 222 of the skin hook portion 220, it is easier to pass through the hook hole 203 of the skin 202.

[0267] <Staff 223>

[0268] like Figure 27 As shown, an L-shaped bracket 223 can also be inserted inside the skin hook portion 220. The bracket 223 can be made of metal or resin. By inserting the bracket 223 into the skin hook portion 220, the skin hook portion 220 is strengthened. The bracket 223 can also be positioned by placing the bracket 223 at the front end of the claw portion 222 and inserting the clip 224 into the insertion hole 223a formed at the front end.

[0269] Especially when the height H of the support portion 221 is high, in other words, when the distance between the claw portion 222 and the surface of the second pad member 212 is large, the insertion bracket 223 is effective.

[0270] <Position of the skin hook part 220>

[0271] Figure 28 It is along Figure 22 A cross-sectional view of lines XXVIII-XXVIII, and a diagram showing the positional relationship between the epidermal hook portion 220 and the suture line 204 of the epidermis 202.

[0272] exist Figure 28 In the shown skin hook portion 220, the claw portion 222 extends rearward, and a recess 225 is formed around the claw portion. In addition, a through hole 226 is formed above the claw portion 222.

[0273] like Figure 28 As shown, the position of the epidermal hook portion 220 where the fixed epidermal 202 is located, that is, the claw portion 222 of the epidermal hook portion 220 is located higher than the adjacent suture 204.

[0274] By positioning the anchor point higher than the suture line 204, tension can be applied to the skin 202, making the suture line 204 appear straight. Furthermore, the skin hook portion 220 becomes less visible, improving the design of the vehicle seat SA.

[0275] <Containment Container 230>

[0276] In the second liner member 212, such as Figure 18 and Figure 19 As shown, the receiving groove 230, which is configured to receive the wire harness 240, faces the inner surface 211d of the first pad member 211.

[0277] The receiving slot 230 includes: a slot body 231 that extends elongatedly in the seat width direction (left-right direction); and slot extensions 232 that are spaced apart in the seat width direction and extend from the slot body 231 toward the front of the seat.

[0278] In addition, a wire harness hook fixing part 233 for hooking and fixing the wire harness 240 is formed at a predetermined position in the extending direction of the groove body part 231.

[0279] The groove body 231 extends meanderingly from one end (left side position) of the second padding member 212 in the seat width direction to the opposite end (right side position) in the seat width direction.

[0280] Furthermore, a plurality of sensor receiving recesses 229 for accommodating the detection sensor 250 are formed on the upper surface 212a of the second cushion member 212. Specifically, one sensor receiving recess 229 is formed at the center position in the seat width direction, and two sensor receiving recesses 229 are formed on the left side position and the right side position respectively.

[0281] Multiple slot extensions 232 are formed to extend forward from the slot body portion 231 and connect the slot body portion 231 to the sensor receiving recess 229.

[0282] <Wire Harness Hook Fixing Part 233>

[0283] The wire harness hook fixing part 233 hooks and fixes the wire harness 240, and multiple parts are formed at intervals in the extending direction of the receiving groove 230.

[0284] like Figure 29 and Figure 30 As shown, in order to prevent the wire harness 240 from detaching from the receiving slot 230, the wire harness hook fixing part 233 includes a protrusion 234 that protrudes from one side of the receiving slot 230 (slot body part 231) toward the other side.

[0285] Furthermore, the wire harness hook fixing part 233 is provided with: a recess 235, which is provided on the bottom surface of the groove main body 231 at a position corresponding to the protrusion 234 and is formed to be recessed downward; and a recess 236, which is formed to be recessed towards the rear of the seat for inserting the wire harness 240. In addition, a through hole 237 extending in the vertical direction is formed on the bottom surface of the recess 235.

[0286] To describe in more detail, the protrusion 234 protrudes from the upper portion of the side portion located on the front side of the groove body 231 toward the side portion located on the rear side. In other words, as Figure 29 As shown, the protrusion 234 extends toward the rear of the seat. Therefore, the protrusion 234 can cover the wiring harness 240 housed in the receiving slot 230 from above and properly hook and secure the wiring harness 240.

[0287] Furthermore, such as Figure 30 As shown, the protrusion 234 is disposed on the side of the groove body 231 such that its upper surface 234a is lower than the upper surface 212a of the second pad member 212. Therefore, even if the first pad member 211 is assembled to the second pad member 212, no load is directly applied to the protrusion 234, thereby suppressing damage to the protrusion 234.

[0288] <Protruding direction of protrusion 234>

[0289] Figure 29The protrusion 234 of the wire harness hook fixing part 233 shown extends toward the rear of the seat, but as Figure 31 As shown, the protrusion 234 may also protrude from the upper portion of the side portion located on the rear side of the groove body portion 231 toward the side portion located on the front side. In other words, the protrusion 234 may also protrude toward the front of the seat.

[0290] Additionally, when multiple wire harness hook fixing parts 233 are configured, such as Figure 31 As shown, the protrusion directions of the protrusions 234 in adjacent wire harness hook fixing portions 233 can also be different. By arranging the protrusions 234 of the wire harness hook fixing portions 233 to be different from each other, the wire harness 240 can be more effectively prevented from detaching from the receiving groove 230.

[0291] <Avoidance Section 238>

[0292] like Figure 29 As shown, a relief portion 238 (finger insertion portion) is provided on the groove main body 231 surrounding the wire harness hook fixing part 233. This relief portion 238 (finger insertion portion) allows the operator's fingers to enter when the wire harness 240 is received in the receiving groove 230 or when it is removed. Specifically, as the finger relief portion 238, four recesses of the size for finger entry are formed on the left and right sides of the wire harness hook fixing part 233. By providing the finger relief portion 238, the wire harness 240 received in the receiving groove 230 becomes easier to grip and remove.

[0293] The finger avoidance portion 238 can be provided not only around the wire harness hook fixing portion 233, but also as... Figure 29 As shown, the groove extension 232 is located near the root of the branch of the wire harness 240, where it extends from the main body 231. The finger-avoiding portion 238 is formed as a recess at the branch location of the wire harness 240. By forming the finger-avoiding portion 238, the wire harness 240 becomes easier to grip and disassemble.

[0294] Alternatively, markings indicating the location of the installed wire harness 240 can be placed on the branch points of the wire harness 240. These markings make the location of the installed wire harness 240 easier to identify.

[0295] <Location of containment slot 230>

[0296] The receiving groove 230 is formed on the upper surface 212a of the second padding member 212, but is not particularly limited to the upper surface 212a; it may also be formed on the lower surface of the second padding member 212. Alternatively, it may be formed on the inner surface of the first padding member 211. Alternatively, it may be formed on the upper surface of the first padding member 211.

[0297] In addition, such as Figure 21As shown, a receiving groove 230 for the wire harness 240 to pass through can also be formed on the back side of the second pad member 212. The receiving groove 230 for receiving the wire harness for the heater is formed in a longitudinally extending manner on the back side of the second pad member 212. By forming the receiving groove 230 on the back side in this way, the flattening of the wire harness 240 can be suppressed.

[0298] <Method for fixing the detection sensor 250>

[0299] like Figure 19 As shown, a plurality of detection sensors 250 for detecting the presence or absence of a seated person are disposed on the second cushion member 212. In more detail, a plurality of sensor receiving recesses 229 are formed on the upper surface of the second cushion member 212, and the detection sensors 250 are housed within the sensor receiving recesses 229. Conventionally, the detection sensors 250 are fixed to the second cushion member 212 by adhering them to the second cushion member 212 using an adhesive or the like. However, when fixing with an adhesive or the like, a step of applying the adhesive is required, and time is consumed before the adhesive hardens.

[0300] In the third embodiment, by providing a protrusion 251 on the detection sensor 250 itself and inserting the protrusion 251 into the mounting hole 253 provided in the sensor receiving recess 229, the detection sensor 250 can be fixed to the sensor receiving recess 229.

[0301] The protrusion 251 is provided at the end 250b on the side opposite to the end 250a, which is the end 250a where the coupler insertion portion 254 connected to the wire harness 240 is provided, and is provided to extend along the insertion direction of the detection sensor 250.

[0302] like Figure 33 As shown, a mounting hole 253 is pre-formed in the sensor receiving recess 229. The protrusion 251 is inserted into the mounting hole 253, thereby fixing the detection sensor 250.

[0303] Since the detection sensor 250 can be installed simply by insertion, the step of applying adhesive can be omitted. In addition, by pre-forming the mounting hole 253, the insertion position of the protrusion 251 is clearly defined, making it easy to install the detection sensor 250.

[0304] like Figure 34A As shown, protrusions 251 can also be provided at both ends of the detection sensor 250 in the seat width direction (left-right direction). Mounting holes 253 are formed on both sides of the sensor receiving recess 229, and the protrusions 251 at the left and right ends are inserted into the mounting holes 253 for fixation. By using multiple protrusions 251 for fixation, the detection sensor 250 can be more securely fixed to the sensor receiving recess 229.

[0305] In addition, such as Figure 34B As shown, a mat clip 252 can also be used instead of the protrusion 251. The mat clip 252 is provided at the coupler insertion portion 254 at the root of the detection sensor 250. The mat clip 252 is a resin or metal plate, and it is expected that the rigidity can be improved by installing the mat clip 252. In this case, mounting holes 253 for inserting the ends of the mat clip 252 are also formed on both sides of the sensor receiving recess 229.

[0306] Furthermore, the mounting hole 253 may be larger than the protrusion 251 or the clip 252. If the mounting hole 253 is larger, it is easier to insert into the protrusion 251 or the clip 252.

[0307] When the mounting hole 253 is smaller than the protrusion or pad, it is difficult to insert but will not wobble and the position is easy to determine.

[0308] The mounting hole 253 is formed simultaneously during the foaming of the second liner member 212.

[0309] Alternatively, the mounting hole 253 may not be formed in the sensor receiving recess 229. In this case, the detection sensor 250 is installed by directly inserting the protrusion 251 into the side of the sensor receiving recess 229.

[0310] <Mold for forming 260>

[0311] use Figure 32 The method for forming the wire harness hook fixing part 233 is explained. Figure 32 This is a schematic cross-sectional view showing the structure of the mold used to form the wire harness hook fixing part 233. The wire harness hook fixing part 233 can be formed by combining multiple forming molds 260, such as... Figure 32 As shown, it is preferably formed using three molding dies 260 (first die 260a to third die 260c).

[0312] More specifically, by mating the first mold 260a and the second mold 260b, a through hole 237 is formed. The first mold 260a and the third mold 260c are used to form the protrusion 234 of the wire harness hook fixing part 233. In this case, the first mold 260a can be shaped such that its width tapers downwards, and the second mold 260b and the third mold 260c can be shaped such that their width tapers upwards. By forming the molding mold 260 in this way, the ease of removal of the first mold 260a to the third mold 260c is improved.

[0313] Furthermore, the second mold 260b and the third mold 260c may not be integral. That is, by making the second mold 260b and the third mold 260c different components, the second mold 260b and the third mold 260c can be removed separately after the second liner component 212 is formed. By making them different components, manufacturing becomes easier, and it is easier to fill the front end of the protrusion 234 with expanded polypropylene (EPP).

[0314] <Wire Harness Mounting Plate 241>

[0315] The seat cushion 201 is assembled in the following manner: a first cushion member 211 is placed on a second cushion member 212 to form a cushion 210, a wire harness 240 is arranged, a cover 202 is used to cover the cushion 210, and the end of the cover 202 is hooked to the cover hook portion 220.

[0316] If the wire harness 240 is pre-installed on the inner surface of the skin 202 during assembly, it will be easier to arrange the wire harness 240.

[0317] On the inner surface of the skin 202 in the third embodiment, as Figure 36 The device shown is provided with a resin-made wire harness mounting plate 241, which can fix the wire harness 240 mounted on the pad 210 to the inner surface 202c of the sheath 202.

[0318] The wire harness mounting plate 241 has a plate-shaped mounting portion 241a and a holding portion 241b that holds the wire harness 240 and is connected to the mounting portion 241a.

[0319] The wire harness mounting plate 241 is fixed to the outer sheath 202 by sewing. In one example, adhesive can also be used to fix the wire harness mounting plate 241 to the inner surface 202c of the outer sheath 202. By mounting the wire harness 240 to the inner surface 202c of the outer sheath 202, the arrangement of the wire harness 240 and the installation of the outer sheath 202 can be performed simultaneously, thereby reducing assembly time.

[0320] <Inner surface material 242>

[0321] like Figure 37 As shown, an inner surface material 242 can also be installed on the inner surface 211d of the first pad member 211. The inner surface material 242 is positioned such that it abuts against the detection sensor 250 of the second pad member 212 when the first pad member 211 is assembled to the second pad member 212.

[0322] By positioning the inner surface material 242 in the inner surface 211d of the first pad member 211 where it abuts against the detection sensor 250, the load transfer to the detection sensor 250 is improved.

[0323] The inner lining material 242 may include, for example, a sheet with elasticity, such as a resin sheet containing polyvinyl chloride resin. The inner lining material 242 may also be a woven fabric, braided fabric, or nonwoven fabric containing natural or synthetic fibers. In addition, the inner lining material 242 is attached to the inner surface 211d of the first padding member 211 using an adhesive or the like.

[0324] The third embodiment has been described above using the accompanying drawings. Furthermore, as an example of a vehicle seat according to the present invention, a vehicle seat has been described, and its structure has been explained. However, the present invention is not limited to vehicle seats mounted on wheeled ground-moving vehicles such as automobiles and trains, but may also be used for seats mounted on aircraft or ships that move off the ground.

[0325] The second embodiment is described in the following notes.

[0326] (Postscript 1)

[0327] A seat for a vehicle, characterized in that it includes: a seat cushion;

[0328] The outer skin covers the seat cushion; and

[0329] An engaging component, disposed on the surface, is capable of engaging or disengaging with respect to the seat cushion.

[0330] The engaging member has an insertion portion that can be inserted into the seat cushion.

[0331] (Postscript 2)

[0332] According to Appendix 1, the vehicle seat is characterized in that multiple insertion portions are provided in the engaging member.

[0333] The plurality of said insertion portions have at least: a first insertion portion disposed at one end of the engaging member; and a second insertion portion disposed at the other end located on the opposite side of said one end.

[0334] (Note 3)

[0335] According to Appendix 1 or 2, the vehicle seat is characterized in that the insertion portion is formed in a convex shape.

[0336] (Note 4)

[0337] According to Appendix 3, the vehicle seat is characterized in that the engaging member has a flat plate shape.

[0338] The insertion portion protrudes from the end of the engaging member in a planar direction.

[0339] (Note 5)

[0340] According to Appendix 4, the vehicle seat is characterized in that a notch is formed on the side of the engaging member facing the seat cushion.

[0341] (Note 6)

[0342] The vehicle seat according to any one of Appendices 1 to 5 is characterized in that a hole or cutout is formed in the engaging member.

[0343] (Note 7)

[0344] The vehicle seat according to any one of Appendices 1 to 6 is characterized in that a recess is formed in the seat cushion to engage with the engaging member.

[0345] An insertion portion is formed on the inner wall of the recess for the insertion portion of the engaging member to be inserted.

[0346] (Note 8)

[0347] According to Appendix 7, the vehicle seat is characterized in that the recess is formed such that its width increases from the opening of the recess toward the bottom.

[0348] (Note 9)

[0349] According to Appendix 7 or 8, the vehicle seat is characterized in that, in the seat cushion, a rigid portion with a higher rigidity than the seat cushion is provided around the recess.

[0350] (Postscript 10)

[0351] A vehicle seat according to any one of Appendices 1 to 9, characterized in that it comprises: a seat back having the seat cushion and the cover;

[0352] A seat cushion is connected to the lower end of the seat back.

[0353] A headrest, located on the upper side of the seat back; and

[0354] The seat frame forms the skeleton of the seat cushion and the seat back.

[0355] Explanation of symbols

[0356] <First Implementation>

[0357] 1: Vehicle seats

[0358] 2: Seat backrest

[0359] 3: Seat cushioning pad

[0360] 4: Headrest

[0361] 5: Seat cushion padding (seat liner)

[0362] 10: First gasket component

[0363] 11, 11A: Second through hole

[0364] 12: Folded-in groove

[0365] 13: Fold-in hole

[0366] 14: Bulging part

[0367] 20: Second liner component

[0368] 21, 21B: First through hole

[0369] 22: Opening (Third Through Hole)

[0370] 23, 23A, 23B: Protrusions

[0371] 23a: Front-end section

[0372] 23b: Root part

[0373] 24: Flexion part

[0374] 25: Raised area

[0375] 26: Guide groove

[0376] 28: concave part

[0377] 30: Epidermis

[0378] 31: Hole (the part that is stuck)

[0379] 32: Fold-in section (locked section)

[0380] 41: First gasket side mold

[0381] 42: Second gasket side mold

[0382] <Second Implementation>

[0383] S: Vehicle seat (seat for transportation)

[0384] S1: Seat cushioning pad

[0385] S2: Seat backrest

[0386] S3: Headrest

[0387] F: Seat frame

[0388] 101: Cushioning Pad Frame

[0389] 102: Backrest Frame

[0390] 103: Side frame of the cushioning pad

[0391] 104a: Disc frame

[0392] 104b: Front tube

[0393] 104c: Rear tube

[0394] 105: Spring

[0395] 106a: Upper frame

[0396] 106b: Lower frame

[0397] 106c: Headrest guide

[0398] 107: Backrest Side Frame

[0399] 108: Pressure plate

[0400] 109: Cushion Pad (Seat Pad)

[0401] 110: Backrest cushion (seat cushion)

[0402] 111, 111A: concave part

[0403] 111a: Opening

[0404] 111b: Bottom

[0405] 112: Inner wall

[0406] 113: Inserted part

[0407] 115: Ribbon (Rigid Part)

[0408] 120: Epidermis

[0409] 120a: Surface

[0410] 120b: inner surface

[0411] 121: Skin groove

[0412] 122: Connecting structural components

[0413] 123: Installation components

[0414] 130, 130A~130F: Engaging components

[0415] 130a: Upper end

[0416] 130b: Lower end

[0417] 131, 131A~131F: Insertion part

[0418] 131a: First insertion part

[0419] 131b: Second insertion part

[0420] 132: Gap

[0421] 133: Incision site

[0422] 134: Hole

[0423] <Third Implementation Method>

[0424] SA: Vehicle Seats

[0425] 201: Seat cushion

[0426] 202: Epidermis

[0427] 202a, 202b: Epidermal grafts

[0428] 202c: inner surface

[0429] 203: Hook hole

[0430] 204: Sutures

[0431] 205: Seam

[0432] 210: Padding

[0433] 211: First gasket component

[0434] 211a: Fold-in groove

[0435] 211b: Mounting recess

[0436] 211c: Opening

[0437] 211d: inner surface

[0438] 212: Second liner component

[0439] 212a: Upper surface

[0440] 212b: Mounting protrusion

[0441] 212c: Anchor Penetration Section

[0442] 220: Skin hook part

[0443] 221: Supporting Department

[0444] 222: Claw

[0445] 222a, 222b: Angle

[0446] 223: Bracket

[0447] 223a: Insertion hole

[0448] 224: Clip

[0449] 225: concave part

[0450] 226: Through hole

[0451] 229: Sensor receiving recess

[0452] 230: Containment Slot

[0453] 231: Main body of the tank

[0454] 232: Groove extension

[0455] 233: Wire harness hook fixing part

[0456] 234: Protrusion

[0457] 234a: Upper surface

[0458] 235, 236: concave part

[0459] 237: Through hole

[0460] 238: Avoidance Section (referring to the entry section)

[0461] 240: Wiring harness

[0462] 241: Wiring harness mounting plate

[0463] 241a: Installation Department

[0464] 241b: Retention section

[0465] 242: Inner surface material

[0466] 250: Detection sensor

[0467] 250a, 250b: End caps

[0468] 251: Protrusion

[0469] 252: Pad Clip

[0470] 253: Mounting hole

[0471] 254: Coupler insertion section

[0472] 260: Molding mold

[0473] 260a: First mold

[0474] 260b: Second mold

[0475] 260c: Third mold

Claims

1. A seat for a vehicle, characterized in that... include: Seat cushions and the outer cover covering the seat cushions, The seat cushion has: First liner component; as well as The second liner component is harder than the first liner component. The second padding member is provided with a protrusion integrally formed with the second padding member and used to lock the skin. The skin is provided with a locking part that locks onto the protrusion. In the second liner member, a first through hole is formed at a position adjacent to the protrusion. A second through hole is formed in the first liner member, which communicates with the first through hole.

2. The vehicle seat according to claim 1, characterized in that, The locked portion of the skin is a hole through which the protrusion is inserted.

3. The vehicle seat according to claim 1, characterized in that, The protrusion has a flexed portion at its front end.

4. The vehicle seat according to claim 1, characterized in that, In the second padding member, a raised portion is provided around the protrusion, the raised portion having a height higher than the height of the protrusion.

5. The vehicle seat according to claim 1, characterized in that, The thickness of the root portion of the protrusion is greater than the thickness of the front portion.

6. The vehicle seat according to claim 1, characterized in that, The locked portion of the epidermis passes through the first through hole and the second through hole and is locked onto the protrusion.

7. The vehicle seat according to claim 1, characterized in that, The first padding member is provided with a fold-in groove for folding into the skin. The second through hole is formed within the folded groove.

8. The vehicle seat according to claim 1, characterized in that, The second liner member has a third through hole with a width greater than that of the first through hole. The first through hole is positioned at a location that overlaps with the third through hole in the seat width direction.

9. The vehicle seat according to claim 1, characterized in that... include: A seat cushion having the seat liner and the cover; The seat back has a seat back frame that forms a skeleton and is connected to the rear end of the seat cushion. as well as A headrest is located on the upper side of the seat back.

Images