JP6327705B2 - Vehicle seat - Google Patents

Description

  The present invention relates to a vehicle seat in which a console region is covered with a skin extending from a seating portion of a seat cushion. The console is an interior item (for example, an accessory case, a console, an operation table, etc.) disposed in a space between a plurality of vehicle seats adjacent to each other. The console region is a region where such an interior product is installed, that is, a side region of the seat cushion seat.

  Conventionally, it is known to install a console around a seat in a vehicle such as an automobile, that is, to set a console area around the seat (see, for example, cited document 1). Conventionally, it is known that a support member for a console is formed integrally with a frame that is a skeleton structure of a seat cushion (see, for example, cited document 2).

  Conventionally, a vehicle seat has been proposed in which a console region is covered with a skin extending from a seat cushion seat. As a vehicle seat according to this proposal, for example, a seat cushion 51 as shown in FIG. 5 has been proposed. The seat cushion 51 includes a frame 52 that is a skeleton structure, a pad 53 that is an elastic body supported by the frame 52, and a skin that covers the pad 53, that is, a trim cover 54.

  The seat cushion 51 includes a seating portion A1 that is a portion where a person sits and a console portion A2 that is a portion that fills a console region A22 that is a side region of the seating portion A1. As shown in FIG. 6, the frame 52 includes side frames 57a and 57b, a panel support pipe 58 supported by the side frames 57a and 57b and extending to the outside of the right side frame 57b, and a side frame 57b. The panel support bracket 59 is fixed to the side surface, and the panel 60 is supported by the panel support pipe 58 and the panel support bracket 59.

  A shaping bracket 61 is fixed over the upper surface of the right side frame 57 b and the upper surface of the panel 60. Further, a first skin fixing wire 62a and a second skin fixing wire 62b are provided in a front portion of the frame 52. The shaping bracket 61 and the panel 60 function to prevent the pad 53 from being deformed more than necessary and maintain the shape of the console portion A2 of the seat cushion 51.

  In FIG. 6, a buckle 63 is provided on the side surface of the right side frame 57b. The buckle 63 is for connecting a seat belt (not shown). In FIG. 5, when a person sits on the seating portion A1 of the seat cushion 51, a portion near the buckle 63 sinks greatly in the console portion A2 of the seat cushion 51, and the person's buttocks hits the buckle 63, and the person may feel uncomfortable. is there. The shaped bracket 61 prevents the pad 53 from sinking so much and prevents the seated person's buttocks from hitting the buckle 63.

JP-A-06-024259 JP 2004-122965 A

  According to the conventional seat cushion 51 shown in FIG. 5, that is, the vehicle seat, the skin 54 extending from the seating portion A1 to the console portion A2 covers the console region A22 that is a side region of the seating portion A1. Yes. However, in this conventional seat cushion 51, the skin fixing wires 62a and 62b, the panel 60 for supporting the seated person, and the shaped bracket for preventing the seated person's buttocks from hitting the buckle 63 61, the console portion A2 of the pad 53, and the like are required, and there is a problem that the number of parts, weight, and cost increase.

  The present invention has been made in view of the above-described problems in the conventional apparatus, and in the seat cushion in which the console region is covered by the skin extending from the seat cushion seat, that is, in the vehicle seat, the number of parts, The objective is to reduce weight and cost.

A vehicle seat according to the present invention is a vehicle seat that covers a console region with a skin extending from a seating portion of a seat cushion, and is integral with the frame, a pad supported by the frame, and the frame. A vehicle seat having a pipe frame extending to the console region, a core member supported by the pipe frame and disposed in the console region, and a seat belt , wherein the skin is the pad and the core The frame covers a member, the frame has a buckle connected to the seat belt, and the core member is formed of a synthetic resin having a hardness that prevents a seated person from sinking. has a recess in the bottom for positioning said core member by engaging with the pipe frame, before Has an outer shape connecting to the surface of the pad has an opening for the passage of the buckle, it is characterized.

  In the above configuration, “integral” means a state in which a plurality of members are inseparably coupled as one member, for example, a plurality of members are coupled by adhesion, coupled by welding, or coupled by screws. It is a state that is connected by a connecting method other than a screw.

  According to the present invention, since the core member which is a resin molded product and has an outer shape continuous with the surface of the pad is arranged in the console region, the panel support bracket 59, the panel as shown in FIGS. A plurality of parts such as 60, a shaping bracket 61, and skin fixing wires 62a and 62b are no longer necessary. As a result, the number of parts, weight and cost of the vehicle seat can be reduced.

The vehicle seat according to the present invention, that the frame having a pipe frame in response to the seating unit. The core member support member is a portion where the pipe frame extends to the console region . According to this configuration, a structure for supporting the core member can be easily configured.

  In the vehicle seat according to the present invention, the core member support member can support the core member by three different members. According to this configuration, the core member can be stably supported, and as a result, the seated person can be stably supported by the core member.

  In the vehicle seat according to the present invention, the frame may include two side frames and two pipe frames connected to the side frames. The three members may be portions extending to one of the two side frames and the console region of the two pipe frames. According to this configuration, the present invention can be realized by utilizing the existing frame structure, which is very useful.

  The vehicle seat according to the present invention may have a skin fixing structure that fixes the skin to the core member. The skin fixing structure is not limited to a specific configuration. For example, a tapping screw that penetrates the skin and is screwed into the core member can be applied. According to this configuration, the fixation of the epidermis can be reliably achieved.

Vehicle seat according to the present invention is that having a seat belt. Then, the frame that have a buckle which is connected to the seat belt. Then, the core member is that having a opening for passing the buckle. When the vehicle seat has a buckle as in this configuration, the buckle may hit the seated person's buttocks and cause discomfort to the seated person. However, according to the present invention, since the core member having an appropriate hardness can be disposed in the vicinity of the buckle, the seated person's buttocks can be prevented from greatly sinking into the seat, and as a result, the seating The person's buttocks can be prevented from hitting the buckle.

  In the vehicle seat according to the present invention, the core member is a resin obtained by mixing polyacrylamide (PAM) with polypropylene (PP), a resin obtained by mixing polycarbonate (PC) with PP, or an olefin (PP-R). ). According to this configuration, both the function of fixing the epidermis and the function of supporting the seated person can be reliably imparted to the core member.

  According to the present invention, since the core member which is a resin molded product and has an outer shape continuous with the surface of the pad is arranged in the console region, it is conventionally used to maintain the shape of the pad which has been conventionally arranged in the console region. Multiple parts such as a panel support bracket, a panel, and a shaped bracket are no longer required. In addition, since the core member is provided with the skin fixing means, the wire conventionally used for fixing the skin is no longer necessary. As described above, since a plurality of parts conventionally used are no longer necessary according to the present invention, the number of parts, weight and cost of the vehicle seat can be reduced.

It is a perspective view showing one embodiment of a vehicular seat concerning the present invention. It is a disassembled perspective view of the seat cushion which comprises the vehicle seat of FIG. It is sectional drawing which cut | disconnects the seat cushion of FIG. 1 according to BB line, and shows an internal core member. It is sectional drawing according to the DD line | wire of FIG.1 and FIG.3. It is a disassembled perspective view which shows the conventional seat cushion. It is a disassembled perspective view which shows the flame | frame which is the principal part of FIG.

  Hereinafter, a vehicular seat concerning the present invention is explained based on an embodiment. Of course, the present invention is not limited to this embodiment. In addition, in the drawings attached to the present specification, components may be shown in different ratios from actual ones in order to show characteristic parts in an easy-to-understand manner.

  FIG. 1 shows an embodiment of a vehicle seat according to the present invention. In FIG. 1, a driver seat side front seat 1 as a vehicle seat has a seat cushion 2 and a seat back 3. The seat cushion 2 is a part where a person sits. The seat back 3 is a portion where a person deposits his back. Each of the seat cushion 2 and the seat back 3 is also a vehicle seat. A headrest 4 is attached to the top of the seat back 3. An armrest 5 is attached to the side surface of the seat back 3.

  The seat cushion 2 has a seating portion A1 that is a portion where a person is seated and a console portion A2 that is a portion that fills the console region A22 that is a side region of the seating portion A1. The width of the seat back 3 is substantially the same as the width of the seating portion A1 of the seat cushion 2. A passenger seat front seat (not shown) is installed next to the driver seat front seat 1, and the region between the passenger seat front seat and the driver seat front seat 1 is a console region A22. The console area A22 is filled with the console portion A2 of the driver seat side front seat 1. The front seat on the passenger seat side is installed in contact with or close to the side surface of the console portion A2.

  As shown in FIG. 2, the seat cushion 2 includes a frame 8 that is a skeleton structure, a pad 9 that is made of urethane foam that is an elastic body supported by the frame 8, and a core member 10 that is also supported by the frame 8, It has a skin, that is, a trim cover 11. The skin 11 covers the pad 9, the core member 10, and the frame 8.

  The frame 8 includes a pair of side frames 14a and 14b arranged at a distance substantially equal to the width of the seating portion A1, and pipe frames 15a and 15b as core member support members provided over the side frames 14a and 14b. Have. Each of the pipe frames 15a and 15b extends through the right side frame 14b to the console region A22. The length in which the pipe frames 15 a and 15 b extend to the console region A <b> 22 is slightly shorter than the width W of the core member 10.

  A buckle 16 is attached to the side surface of the right side frame 14b. The buckle 16 is connected to the seat belt 17 in FIG. The seat belt 17 extends from the inner wall (not shown) of the passenger compartment where the seat 1 is installed. As shown in FIG. 2, the core member 10 is provided with an opening 18 through which the buckle 16 is passed. The skin 11 is also provided with an opening 19 for passing the buckle 16.

  The side frames 14a and 14b and the pipe frames 15a and 15b of the frame 8 are made of a highly rigid material, for example, a steel material. The pad 9 is formed of a member that imparts cushioning properties to the seated person, for example, urethane that is a foaming resin. The core member 10 is formed by resin molding, for example, blow molding. The core member 10 is made of, for example, a resin obtained by mixing polypropylene (PP) with polyacrylamide (PAM), a resin obtained by mixing PP with polycarbonate (PC), or an olefin (PP-R). The skin 11 is formed of leather, leather, synthetic leather, cloth, an equivalent thereof, or a member combining them.

  FIG. 3 shows a cross-sectional structure in the front-rear direction of the core member 10 inside the skin 11 according to the line BB in FIG. As shown in FIG. 3, a recess 22 is formed at the bottom of the core member 10. The length along the front-rear direction CC of the upper surface of the recess 22 is slightly longer than the distance between the front pipe frame 15b and the rear pipe frame 15a. For this reason, when the core member 10 is placed on the pipe frames 15a and 15b, the concave portion 22 of the core member 10 is engaged with both the pipe frames 15a and 15b, whereby the position of the core member 10 is determined.

  In FIG. 3, the lower end surface 10a of the core member 10 on the seating portion A1 (see FIG. 2) side is in contact with the upper surface 14c of the side frame 14b. The upper surface 14c functions as a core member support member. Thereby, the core member 10 is supported by three members of two pipe frames 15a and 15b and one side frame 14b. Since the core member 10 is supported at three points by the three members in this way, the core member 10 is supported by the frame 8 without being displaced in a very stable state.

  FIG. 4 shows a cross-sectional structure along the width direction of a part of the console portion A2 of the seat cushion 2 according to the line DD in FIGS. In FIG. 4, the core member 10 is supported by a pipe frame 15b. The skin 11 has an upper surface portion 11a, a side surface portion 11b, and a fixed portion 11c. These parts are stitched together with a sewing thread at a seam 23 which is a joint. The fixing portion 11c of the skin 11 is fixed to the core member 10 by a tapping screw 24 as a skin fixing means. Generally, a tapping screw is a screw that is screwed into a pilot hole of a member having a pilot hole and enters the member while forming a screw thread. A plurality of tapping screws 24 are screwed around the core member 10 at appropriate intervals in order to fix the skin 11 with sufficient fixing strength. As the skin fixing means, any fixing element other than the tapping screw 24 can be used.

  Since the seat 1 of the present embodiment shown in FIG. 1 is configured as described above, the driver seat side front seat 1 and the passenger seat side front seat are formed by the console portion A2 of the skin 11 extending from the seating portion A1 of the seat cushion 2. A region between the region (not shown), that is, the console region A22 is spatially filled. Conventionally, as shown in FIG. 5, the console area A22 is filled with the pad 53, but in this embodiment, a part of the corresponding pad 53 is replaced with the core member 10 which is a resin molded product. .

  When a seated person sits on the seating portion A <b> 1 of the seat cushion 2, the seated person is given an appropriate cushioning property by the elastic force of the pad 9. Further, a core member 10 that is a resin molded product is disposed on the console portion A2 of the seat cushion 2. The core member 10 has an appropriate shape and has an outer shape that is continuous with the surface of the pad 9. Therefore, the seated person can maintain a stable seating posture without sinking into the console area A22.

  Further, since the core member 10 is also present in the vicinity of the buckle 16, the seated person does not sink into the console portion A2 in the vicinity of the buckle 16. For this reason, the rear part of the seated person's buttocks does not hit the buckle 16, so that the seated person can concentrate on driving without feeling discomfort in the buttocks.

  In the present embodiment, since the core member 10 that is a resin molded product is arranged in the console region A22, the panel support bracket 59, the panel 60, the shaping bracket 61, and the skin fixing bracket as shown in FIGS. The wires 62a and 62b are no longer necessary. As a result, the number of parts, weight and cost of the vehicle seat can be reduced.

(Other embodiments)
The present invention has been described with reference to the preferred embodiments. However, the present invention is not limited to the embodiments, and various modifications can be made within the scope of the invention described in the claims.

  For example, in the above embodiment, the present invention is applied to the driver seat side front seat, but the present invention can also be applied to the passenger seat side front seat. The present invention can also be applied to the rear seat. In the above embodiment, the tapping screw 24 is used as the skin fixing means as shown in FIG. 4, but any other fixing means can be used.

  In the above embodiment, the core member 10 is supported by the three members of the upper surface 14c of the side frame 14b and the two pipe frames 15a and 15b in FIG. However, the core member 10 can be supported using any two of these three members. Moreover, it is also possible to support the core member 10 using arbitrary members other than said three members.

  1. 1. Driver's side front seat (vehicle seat) 2. seat cushion (vehicle seat); Seat back (vehicle seat), 4. Headrest, 5. Armrest, 8. Frame, 9; Pad, 10. Core member, 10a. 10. a lower end surface of the core member; Epidermis, 11a. Upper surface portion of the epidermis, 11b. The side part of the epidermis, 11c. Fixed part of the epidermis, 14a, 14b. Side frame, 14c. Upper surface of the side frame (core member support member), 15a, 15b. Pipe frame (core member support member), 16. Buckle, 17. Seat belt, 18. 18. opening of core member; An opening in the epidermis, 22. A recess in the core member, 23. Seams, 24. Tapping screw (skin fixing means), A1. Seating part, A2. Console part, A22. Console area

Claims (3)

A vehicle seat that covers a console region by a skin extending from a seat cushion seat,
Frame,
A pad supported by the frame;
And the pipe frame extending out to the integral der Ri said console region and the frame,
A core member supported by the pipe frame and disposed in the console region;
Seat belts,
In a vehicle seat having
The skin covers the pad and the core member,
The frame has a buckle connected to the seat belt;
The core member is
It is made of a synthetic resin with a hardness that prevents the seated person from sinking ,
Having a recess at the bottom for positioning the core member by engaging with the pipe frame ;
It has an outer shape that continues to the surface of the pad ,
Having an opening for passing the buckle;
A vehicle seat characterized by that. The vehicle seat of claim 1 Symbol mounting and having a skin fixing structure for fixing the skin to the core member. The core member is formed of a resin obtained by mixing polyacrylamide (PAM) with polypropylene (PP), a resin obtained by mixing polycarbonate (PC) with PP, or an olefin (PP-R). The vehicle seat according to claim 1 or 2 .

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