JP2016132279A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a design shape with a rapid angular variation to be imparted in a good-looking manner between a body area of a back board and an attachment area capable of being fitted with an assist grip.SOLUTION: A seat 1 has an assist grip 10 attached to a back board 2G for covering a back part of a seat back 2. The back board 2G has a body piece 30 that constitutes its body area, and a bezel 20 (attachment area) to which the assist grip 10 is attached. The body piece 30 and the bezel 20 are configured separately from each other, and integrally assembled in such a manner as to adjoin each other.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a vehicle seat. Specifically, the present invention relates to a vehicle seat in which an assist grip is attached to a backboard that covers a back portion of a seat back.

  2. Description of the Related Art Conventionally, in a vehicle seat, an assist grip is attached to a back portion of a seat back (Patent Document 1). The assist grip has a configuration in which both ends thereof are bolted to the back of the seat back and attached. The assist grip is provided in a state of being provided to the rear side through a horizontally long through hole formed in a backboard that covers the back of the seat back.

JP 2011-235842 A

  However, in the above prior art, since the backgrip is configured to allow the assist grip to pass through the backboard, the backboard is placed between the peripheral area of the area where the assist grip is arranged and the main body area of the backboard. It is difficult to finish a design shape with a sharp angle change that provides a narrow boundary groove. The present invention was devised to solve the above problems, and the problem to be solved by the present invention is that a steep angle is formed between the main body region of the backboard and the mounting region to which the assist grip is attached. It is to be able to give a design shape with changes in appearance.

  In order to solve the above problems, the vehicle seat of the present invention takes the following means.

  1st invention is the vehicle seat by which the assist grip was attached to the backboard which covers the back back part of a seat back. The backboard has a main body piece constituting the main body region and a mounting piece to which the assist grip is attached, and the main body piece and the mounting piece are configured separately from each other and assembled adjacent to each other. It has a configuration.

  According to the first aspect of the present invention, the main body piece and the mounting piece constituting the backboard are configured separately from each other, and are integrally adjacent to each other. The design shape with a sudden angle change can be imparted with a good appearance between the piece) and the attachment area (attachment piece) to which the assist grip is attached.

  The second invention is the following configuration in the first invention described above. At least one of the main body piece and the attachment piece is covered with a cover that covers the piece from the outside. A pull-in groove for pulling the cover inward is formed between the main body piece and the mounting piece.

  According to the second aspect of the invention, it is possible to perform a good-looking terminal process in which the terminal of the cover placed on at least one of the main body piece and the mounting piece of the backboard is pulled at an acute angle. Can be done.

  The third invention is the following configuration in the second invention described above. A cover is placed on the body piece. The mounting piece is assembled so as to cover the edge of the main body piece from the outside.

  According to the third aspect of the present invention, since the terminal of the cover placed on the main body piece is covered from the outside by the mounting piece, it can be formed with good appearance even if the terminal of the cover is simply processed.

  According to a fourth invention, in any one of the first to third inventions described above, the following configuration is adopted. The assist grip is configured to be attached to the frame together with the attachment piece by an insertion type fastening structure that penetrates the attachment piece and is fastened to the frame of the seat back.

  According to the fourth aspect of the invention, the attachment structure of the attachment piece to the frame can be rationalized and simplified.

1 is a perspective view illustrating a schematic configuration of a vehicle seat of Example 1. FIG. It is the perspective view which decomposed | disassembled and represented the principal part of FIG. FIG. 3 is a perspective view of FIG. 2 viewed from the front side of the seat. It is the perspective view showing the state where the bezel was attached to the body piece of the backboard. FIG. 5 is a perspective view of FIG. 4 viewed from the front side of the seat. It is a perspective view showing the state which fixed the back board to the back frame. It is the perspective view which looked at FIG. 6 from the seat front side. It is a perspective view showing the state which attached the assist grip to the back back part of the seat back. It is the IX-IX sectional view taken on the line of FIG.

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

  First, the configuration of the seat 1 (vehicle seat) according to the first embodiment will be described with reference to FIGS. In the following description, when “sheet” is attached in various directions such as “sheet width direction” and “sheet height direction”, the “width direction” and “height direction” with respect to the sheet 1 are described. ”And the like.

  As shown in FIG. 1, the seat 1 of this embodiment is configured as a seat of an automobile. The seat 1 includes a seat back 2 that serves as a backrest for a seated person, a seat cushion 3 that serves as a seating portion, and a headrest 4 that serves as a headrest. An assist grip 10 that can be used as a grip portion by an occupant of a rear side seat (not shown) is attached to the back surface portion of the seat back 2.

  The above-described assist grip 10 has a grip body 11 serving as a grip formed in an arcuate shape that curves forward from the center in the seat width direction toward the left and right sides. The assist grip 10 is in a state in which the left and right end portions (attachment portions 12) of the grip body 11 are bolted to the back portion of the seat back 2 and integrally attached thereto. And the cap 13 which covers these with the attachment part 12 of the said grip main body 11 with respect to the exterior is each mounted | worn from the back side.

  Specifically, each mounting portion 12 of the grip body 11 described above is an upper region of a resin backboard 2G that covers the back portion of the seat back 2 as shown in FIGS. 2 to 3, 6, and 8. Is attached from the rear side to the bezel 20 that constitutes the seat, and is fastened directly to both shoulder openings of the back frame 2A constituting the skeleton of the seat back 2 by the fastening bolts 12B and is integrally fixed. Yes. Due to such an attachment structure, the bezel 20 constituting the upper region of the backboard 2G can be attached to the back frame 2A by attaching the grip body 11 to the back frame 2A. 2A can be integrally attached (see FIG. 2).

  Here, as shown in FIGS. 2 to 3, the backboard 2 </ b> G described above is formed on a resin main body piece 30 that covers a large area of the back surface portion of the seatback 2 and an upper edge portion of the main body piece 30. The above-described assist grip 10 is attached to the resin bezel 20 and attached from the rear side. The main body piece 30 described above is formed of a polypropylene resin, and is formed in a shell-like shape that covers the above-described back frame 2A so as to wrap in a wide rounded shape from the rear side. The above-described main body piece 30 has a configuration in which a synthetic leather cover 31 is integrally bonded to the entire back surface of the main body piece 30. Here, the bezel 20 described above corresponds to the “mounting piece” of the present invention.

  The synthetic leather cover 31 described above is formed in a surface shape having a larger extent than the back surface of the main body piece 30. As shown in FIGS. 4 to 5, the cover 31 described above is folded into the front portion of the main body piece 30, with each extra length portion extending from the back surface portion of the main body piece 30 to the lower side and the left and right outer sides. The peripheral portions of the body piece 30 are bound together by the stapler 31A so that the peripheral portions of the main body piece 30 are drawn into a good-looking shape without causing slack or wrinkles. It is said that it was in the state.

  On the other hand, as shown in FIGS. 2 to 3, the extra length portion of the cover 31 that protrudes upward from the back surface portion of the main body piece 30 is not folded back to the front surface side of the main body piece 30. It is the structure joined to the back surface part of the flange part 32 projected in the shape of a flange from the upper edge part to the front diagonally upper side. The flange portion 32 is formed to be bent in a crank shape extending from the upper edge portion of the main body piece 30 obliquely upward and forward and then straightly extending upward. The flange portion 32 has a configuration in which through holes 32A penetrating in a round hole shape are formed at three positions of the center portion and both end portions in the sheet width direction in the region of the upper edge side that extends straight above the flange portion 32. It has become.

  The above-described main body piece 30 is attached to the upper edge portion of the bezel 20 adjacent to the upper edge portion of the body piece 30 by being attached to the flange portion 32 on the upper edge side from the rear side and fastened by the screw 32B. (See FIGS. 4 to 5). Specifically, the main body piece 30 described above is in a state in which the bezel 20 is integrally attached to the back surface portion of the flange portion 32 on the upper edge side as follows. First, as shown in FIGS. 2 to 3, in the front holes of the bezel 20 in the through holes 32 </ b> A formed at three positions in the sheet width direction of the flange portion 32 on the upper edge side of the main body piece 30 described above. The cylindrical screw projections 23A protruding from the three corresponding positions formed are fitted and set from the rear side. Next, screws 32B are inserted into the through holes 32A from the front side and fastened in the cylinders of the screw fastening protrusions 23A. Thereby, it will be in the state where the bezel 20 was attached to the back part of flange part 32 of the upper edge side of main part piece 30 (refer to Drawing 4-Drawing 5).

  Therefore, by the assembly, the extra length portion on the upper edge side of the cover 31 joined to the back surface portion of the main body piece 30 is covered with the attached bezel 20 so as to be pressed from the rear side. . Therefore, by the covering structure by the bezel 20, the terminal treatment is performed such that the extra length portion of the cover 31 protruding upward from the back surface portion of the main body piece 30 is folded back to the front surface portion of the main body piece 30 like other portions. Even if it does not exist, it can finish in the state pulled in in the good-looking form which does not produce a slack and a wrinkle in the upper edge part of the main body piece 30 (refer FIGS. 4-5).

  Hereinafter, the assembly structure of the assist grip 10 and the back board 2G to the back frame 2A described above with reference to FIGS. 2 to 3 will be described in detail together with these basic structures. First, the configuration of the assist grip 10 will be described. The assist grip 10 includes a grip body 11 that serves as a grip, metal attachment portions 12 provided at both ends of the grip body 11, and a resin cap 13 that is attached to each attachment portion 12 from the rear side. Have.

  The above-described grip body 11 has a structure in which a synthetic leather skin material is wound around a core material (not shown), and has an arcuate shape with arms curved forward from the center in the seat width direction toward the left and right sides. Is formed. Each attachment portion 12 is configured such that a metal plate constituting a core material (not shown) of the grip body 11 projects from the ends of the left and right sides of the grip body 11 to the outside in the sheet width direction and projects the surface to the front side. It is formed in a shape bent in a crank shape. Each of the attachment portions 12 is formed such that the plate thickness direction thereof is directed in the front-rear direction, and a fastening hole 12A penetrating in a round hole shape is formed in the central portion of each plate portion. Yes. In these fastening holes 12A, fastening bolts 12B for fastening the mounting portions 12 to the back portion of the seat back 2 with a bezel 20 described later interposed therebetween are respectively inserted from the rear side. ing.

  In addition, an insertion piece 12 </ b> C that is bent in a substantially perpendicular shape toward the front side is formed at each end of the attachment portion 12 that protrudes outward in the sheet width direction. These insertion pieces 12C are respectively inserted into guide holes 21B formed in the grip mounting portions 21 when the mounting portions 12 are assembled to the grip mounting portions 21 of the bezel 20 described later. It is inserted from the rear side and functions as a part for positioning the mounting position of each mounting portion 12 with respect to the bezel 20.

  Each cap 13 is formed of a polypropylene resin. Each cap 13 sandwiches each mounting portion 12 of the grip body 11 assembled to the above-described bezel 20 from the rear side with the bezel 20 by being fitted into the bezel 20 from the rear side. It is formed in a shell shape that is open on the inner side and the front side in the sheet width direction so as to be covered.

  Specifically, each of the caps 13 described above has an outer shape that is curved along the shape of the grip body 11 that is attached to the bezel 20 described above in the shape of an arc of the grip body 11. It is formed in a shell shape that covers the rear side. Each of the caps 13 corresponds to each of the corresponding slit-shaped holes formed by protruding through the cap attaching portions 22 of the above-described bezel 20 through the respective locking claws 13A formed to project on the peripheral edge portion on the front side thereof. By being fitted and locked in the locking hole 22 </ b> A while being elastically deformed, the locking hole 22 </ b> A is assembled integrally with the bezel 20.

  Next, the configuration of the backboard 2G will be described. The backboard 2G is a resin main body piece 30 that covers most of the back surface of the seat back 2, and a resin that is attached to the upper edge of the main body piece 30 and the above-described assist grip 10 is attached from the rear side. And a bezel 20 made of steel. As shown in FIGS. 2 to 3, the main body piece 30 includes hooks 33 that are formed to project forward and downward from two lower regions on the left and right sides of the front portion, and a central portion in the seat width direction of the front portion. The hook 34 formed so as to protrude from the upper region is assembled to the back frame 2A described above from the rear side.

  Specifically, the main body piece 30 is in a state assembled from the back side to the back frame 2A as follows. First, the main body piece 30 is tilted in a rearward leaning position, and the hooks 33 described above are placed on the upper edge of the lower plate 2F bridged between the lower portions of both side frames 2D of the back frame 2A. Hook from. Next, with the hook point of each hook 33 as a fulcrum, the main body piece 30 is lifted to the front side, and the above-described hook 34 is bridged between the upper parts of both side frames 2D of the back frame 2A. The U-shaped hanging wire 2E1 that hangs down from the center in the sheet width direction is elastically pushed and fitted from one side to the vertical frame portion on one side. As a result, the main body piece 30 is assembled to the back frame 2A in a state of being positioned in the seat front-rear direction and the height direction in addition to the seat width direction (see FIGS. 6 to 7).

  As shown in FIG. 1, the bezel 20 is formed in a horizontally long plate shape having a width and width wider than that of the assist grip 10 by polypropylene resin. Specifically, as shown in FIGS. 2 to 3, the bezel 20 is formed of a horizontally long plate material whose longitudinal section is curved in an arcuate shape, and like the grip body 11 of the assist grip 10 described above, The entirety is formed in an arcuate shape that curves forward toward the left and right sides. The bezel 20 includes a grip attachment portion 21 to which each attachment portion 12 of the grip body 11 described above is attached and a cap attachment portion 22 to which each cap 13 is attached on each end region on the left and right sides thereof. It has become. Further, the bezel 20 has a piece attachment portion 23 to which the flange portion 32 on the upper edge side of the main body piece 30 of the backboard 2G described above is screwed and attached on a central region in the seat height direction of the front portion. It has a configuration.

  Specifically, each grip mounting portion 21 described above passes through a hole 21A formed in a round hole shape in the center of the bezel 20 in the seat height direction, and penetrates to a position outside the seat of the through hole 21A. And a guide hole 21B formed as described above. A metal cylindrical bush 21A1 is press-fitted in each through-hole 21A described above. Each grip attachment portion 21 described above is inserted into each guide hole 21B described above by inserting the insertion piece 12C of each attachment portion 12 of the grip body 11 into each through hole 21A (cylindrical hole of the bush 21A1). Twelve fastening holes 12A are set in an aligned state.

  In the above-described bezel 20, each grip attaching portion 21 described above is attached to the back surface portion of the seat back 2 together with each attaching portion 12 of the grip body 11 as follows. First, the bezel 20 is set in a state of being applied from the rear side to each bracket 2B joined to both shoulder openings of the back frame 2A. When the bezel 20 is set on the back of the seat back 2, the main body piece 30 that is integrally attached to the bezel 20 is attached to the back frame 2A from the rear side by the hook 33 and the hook 34 described above. Is performed in an aligned state. Specifically, when the main body piece 30 is attached to the back frame 2A from the rear side, the bezel 20 attached to the upper edge portion thereof connects the fastening holes 12A of the attachment portions 12 on both the left and right sides of the back frame 2A. The fixing nut 2C welded to the bracket 2B is set in a state of being aligned rearward (see FIGS. 6 to 7).

  Next, the attachment portions 12 of the grip body 11 are set in a state where the attachment portions 12 of the grip body 11 are assembled to the grip attachment portions 21 of the bezel 20 set on the back surface of each bracket 2B of the back frame 2A. Specifically, by inserting the insertion pieces 12C of the attachment portions 12 of the grip body 11 into the guide holes 21B of the grip attachment portions 21 of the bezel 20, the fastening holes 12A of the attachment portions 12 become the grip attachment portions. 21 so as to be aligned with the rear side of the 21 through holes 21A.

  Next, the fastening bolts 12B are inserted into the fastening holes 12A of the attachment portions 12 of the grip body 11 from the rear side, and the fastening bolts 12B are inserted into the through holes 21A (the bushes 21A1 of the bushes 21A1) of the grip attachment portions 21 of the bezel 20. Are threaded into the fixing nuts 2 </ b> C of the back frame 2 </ b> A ahead of them and fastened. As a result, the bezel 20 is integrated with the grip body 11 and attached to the back portion of the back frame 2A (see FIG. 8). As a result of the above assembly, the assist grip 10 has an entire installation area of the assist grip 10 around the left and right attachment portions 12 attached to the back portion of the seat back 2 by one horizontally long bezel 20. It is in a state of being provided in a shape that is enclosed in a nice appearance so as to be wrapped as one area.

  As shown in FIG. 2 to FIG. 3, each cap mounting portion 22 is pierced in a slit shape at the upper edge portion and the lower edge portion of the bezel 20 and the outer edge portion in the seat width direction. The locking hole 22A is formed. Each of the cap mounting portions 22 described above inserts the corresponding locking claw 13A formed on each of the caps 13 into each of the locking holes 22A described above, so that each locking claw 13A has each locking hole. After being elastically pushed and bent in a direction perpendicular to the insertion direction due to the shape of the inner peripheral surface of 22A, it is elastically restored and deformed and hooked on the inner surface of each locking hole 22A. Yes. As a result, each cap 13 is assembled to each cap mounting portion 22 of the bezel 20 so as not to rattle in the seat height direction or the width direction.

  The piece attachment portion 23 is formed by three screw fastening protrusions 23A that protrude in a cylindrical shape from the center portion in the seat width direction and the left and right two portions on the front face portion of the bezel 20, respectively. As shown in FIGS. 4 to 5, the piece mounting portion 23 is formed with the screw fastening protrusions 23 </ b> A corresponding to the through holes corresponding to the flange portion 32 described above with respect to the flange portion 32 on the upper edge side of the main body piece 30 described above. The screw 32B is inserted from the back side into the 32A and fastened by inserting the screw 32B from the front side, whereby the flange portion 32 is integrally attached. By attaching the piece mounting portion 23 to the flange portion 32 of the main body piece 30, the bezel 20 is assembled in a state of being superimposed on the back surface portion of the flange portion 32 of the main body piece 30.

  As shown in FIG. 9, the assembly causes the main body piece 30 to be adjacent to the upper edge of the body piece 30 so that the bezel 20 is connected to the surface. A pull-in groove 2G1 is formed in which the cover 31 covered on the back surface of the piece 30 is suddenly pulled forward from the upper edge of the main body piece 30 toward the flange portion 32 that is bent obliquely upward and forward. A design shape with an abrupt change in angle is given in an attractive manner between the main body region (main body piece 30) of the board 2G and the mounting region (bezel 20) to which the assist grip 10 is attached.

  In summary, the seat 1 (vehicle seat) of the present embodiment has the following configuration. That is, it is the seat 1 in which the assist grip 10 is attached to the backboard 2G that covers the back of the seatback 2. The backboard 2G has a main body piece 30 that constitutes a main body region thereof, and a bezel 20 (attachment piece) to which the assist grip 10 is attached. The main body piece 30 and the bezel 20 are configured separately from each other. It is the structure assembled adjacent to one.

  As described above, the main body piece 30 and the bezel 20 constituting the backboard 2G are configured separately from each other and integrally assembled adjacent to each other, so that the main body region of the backboard 2G (the main body piece 30). ) And the attachment region (bezel 20) to which the assist grip 10 is attached, it is possible to impart a good-looking design shape with an abrupt angle change.

  The body piece 30 is covered with a cover 31 that covers the body piece 30 from the outside. A pull-in groove 2G1 for pulling the cover 31 inward is formed between the main body piece 30 and the bezel 20 (see FIG. 9). With such a configuration, it is possible to perform a good-looking terminal process in which the terminal of the cover 31 is pulled at an acute angle between the main body piece 30 and the bezel 20 of the backboard 2G. .

  The cover 31 is put on the main body piece 30. The bezel 20 is assembled so as to cover the edge of the main body piece 30 from the outside. With such a configuration, the terminal of the cover 31 covered by the main body piece 30 is covered from the outside by the bezel 20, so that the terminal of the cover 31 is formed with good appearance even if it is simply processed. be able to.

  The assist grip 10 is configured to be attached to the back frame 2A together with the bezel 20 by an insertion type fastening structure (fastening structure by fastening bolts 12B) that penetrates the bezel 20 and is fastened to the back frame 2A. With such a configuration, the structure for attaching the bezel 20 to the back frame 2A can be rationalized and simplified.

  As mentioned above, although the embodiment of the present invention has been described using one example, the present invention can be implemented in various forms in addition to the above example. For example, the “vehicle seat” of the present invention can be widely applied to vehicles used for various vehicles such as vehicles other than automobiles such as railways, airplanes and ships. Further, the main body piece and the mounting piece of the backboard may be composed of different materials, and are attached to each other by means other than fastening such as hooking, fitting, and bonding. Also good.

  The size relationship between the main body piece and the attachment piece of the backboard is not particularly limited, and the attachment piece may be formed larger than the main body piece. Further, the attachment piece may be provided adjacent to an edge portion other than the upper edge side of the main body piece. Moreover, the structure provided in the intermediate part which is not an outer-periphery edge part by being fitted in the hole vacated by the intermediate part of the main body piece may be sufficient. Further, the cover that is placed on the backboard may be placed on either the main body piece or the attachment piece. In addition, the cover does not need to be applied to either, or may be applied to both.

DESCRIPTION OF SYMBOLS 1 Seat 2 Seat back 2A Back frame 2B Bracket 2C Fixing nut 2D Side frame 2E Upper plate 2E1 Hanging wire 2F Lower plate 2G Back board 2G1 Retraction groove 3 Seat cushion 4 Headrest 10 Assist grip 11 Grip body 12 Mounting part 12A Fastening hole 12B Fastening Bolt 12C Insertion piece 13 Cap 13A Locking claw 20 Bezel (Mounting piece)
21 Grip mounting portion 21A Through hole 21A1 Bushing 21B Guide hole 22 Cap mounting portion 22A Locking hole 23 Piece mounting portion 23A Screw tightening projection 30 Body piece 31 Cover 31A Stapler 32 Flange portion 32A Through hole 32B Screw 33 Hook 34 Hook

Claims (4)

A vehicle seat in which an assist grip is attached to a backboard that covers the back of the seat back,
The backboard has a main body piece constituting the main body region and an attachment piece to which the assist grip is attached, and the main body piece and the attachment piece are formed separately from each other and are adjacent to each other. A vehicle seat that is assembled. The vehicle seat according to claim 1,
At least one of the main body piece or the attachment piece is covered with a cover that covers the piece from the outside,
A vehicle seat in which a pull-in groove for pulling the cover inward is formed between the main body piece and the mounting piece. The vehicle seat according to claim 2,
The vehicle seat, wherein the cover is put on the main body piece, and the attachment piece is assembled so as to cover an edge of the main body piece from the outside. The vehicle seat according to any one of claims 1 to 3,
A vehicle seat configured to be attached to the frame together with the attachment piece by an insertion-type fastening structure in which the assist grip penetrates through the attachment piece and is fastened to the frame of the seat back.

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