JP2007131199A - Structure for mounting operation system component to seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for mounting an operation system component to a seat capable of mounting the operation system component with a small number of components and a simple operation, surely holding a cushioning material and a skin material around the operation system component, and improving an appearance around the operation system component. <P>SOLUTION: This operation system component (2) comprises a box-like case (4) with an opening (40) on its top face, an operating member (3) housed in the case (4), and a vessel (5) covering the opening (40) around it. A projection piece (42) stands around the opening (40) of the case (4), and a reinforcing member (7) made of a flexible sheet material is provided around an opening (60) of the skin material (6). A slit (72) is bored on the reinforcing member (7), and the projection piece (42) is inserted in the slit (72), so that the reinforcing member (7) is locked around the case (4). Furthermore, an outer peripheral edge of the vessel (5) is brought into contact with the skin material (6) around it, and the vessel (5) is fixed to the case (4) under condition that the skin material (6) and the reinforcing member (7) are nipped by the vessel (5) and the case (4). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mounting structure for attaching an operation system component to a seat, and more specifically, a seat having a frame covered with a cushioning material and a surface thereof covered with a skinning material, the skin material and the cushioning material being penetrated. The present invention relates to a structure for mounting operation parts.

  Conventionally, a retractable seat back for a vehicle seat has been provided with a lock mechanism for holding the seat back in an upright state and a lock release device for releasing the lock and allowing the seat back to fall down. The release device is operated by a knob disposed on the upper surface of the seat back. As a structure for attaching the operation portion including the knob to the seat back, there is a structure in which a frame material made of wire is attached to the seat back frame, and a skin material is sandwiched between the base surrounding the operation portion and the frame material (Patent Literature). 1).

  In such an operation unit mounting structure, even when the cushion material is deformed, the skin material does not sag, and the appearance and feeling of use are excellent, but it is necessary to fix the frame material to the seat back frame by welding, etc. The number of parts, the number of parts and the number of manufacturing steps are increased, and there is a problem that installation is troublesome.

JP 2004-306835 A

  The present invention has been made in view of such a situation, and its purpose is to perform a simple operation with a small number of parts on a seat whose frame is covered with a cushion material such as urethane and whose surface is covered with a skin material. The operation system parts can be attached to the seat, and the cushioning material and skin material are securely fixed around the operation system parts, providing a structure for mounting the operation system parts to the seat that can improve the appearance around the operation system parts. There is to do.

In order to solve the above-described problems of the prior art, the present invention includes a frame, a cushion material that covers the frame, and a skin material that covers a surface of the cushion material, and is provided in the skin material and the cushion material. In the mounting structure of the operation system parts to the seat through which the operation system parts are attached to the frame through the opening,
The operation system component includes a box-shaped case having an opening on the upper surface, an operation member accommodated in the case, and a bezel that covers the case opening around the operation member,
A protruding piece is erected at the case opening, and a frame-shaped reinforcing member made of a flexible sheet material is provided around the opening of the skin material, and the reinforcing member corresponds to the protruding piece. A slit is drilled in the arrangement
The protruding piece is inserted into the slit to lock the reinforcing member around the case, and further, the outer peripheral edge of the bezel is brought into contact with the skin material around the locking portion, and the skin material and The bezel was fixed to the case in a state where the reinforcing member was sandwiched between the bezel and the case.

  In the present invention, it is preferable that a locking claw is provided at a tip of the protruding piece, and an edge of the slit is locked by the locking claw. In the present invention, it is preferable that a shelf surface is provided around the case opening, and the skin material and the reinforcing member are sandwiched between the shelf surface and the outer peripheral edge of the bezel. Further, in the present invention, a receiving surface is provided on the outer side surface of the case so as to be separated from the upper surface opening, and a part of the cushion material is sandwiched between the receiving surface and the reinforcing member. Is preferred.

As described above, the present invention includes a frame, a cushion material that covers the frame, and a skin material that covers the surface of the cushion material, and penetrates through the opening provided in the skin material and the cushion material. In the mounting structure of the operation system parts to the seat where the operation system parts are installed,
The operation system component includes a box-shaped case having an opening on the upper surface, an operation member accommodated in the case, and a bezel that covers the case opening around the operation member,
A protruding piece is erected at the case opening, and a frame-shaped reinforcing member made of a flexible sheet material is provided around the opening of the skin material, and the reinforcing member corresponds to the protruding piece. A slit is drilled in the arrangement
The protruding piece is inserted into the slit to lock the reinforcing member around the case, and further, the outer peripheral edge of the bezel is brought into contact with the skin material around the locking portion, and the skin material and Since the bezel is fixed to the case in a state where the reinforcing member is sandwiched between the bezel and the case, the following effects can be obtained.

It is not necessary to provide a frame material for fixing the skin material such as a wire on the frame side, and the number of parts and manufacturing man-hours can be reduced.
The reinforcement member can be attached to the skin material in advance during the sewing process of the skin material, and when attaching the operation system parts, the skin material is positioned and fixed simply by engaging the reinforcement member with the protruding piece of the case. Therefore, the attachment work of the skin material is simplified and can be performed in the same manner as the attachment of the bezel and the case, so that the work contents are unified and the attachment can be performed efficiently.
Due to the configuration of the reinforcing member and the projecting piece, the engagement between the skin material and the case periphery is strengthened, and the position shift of the bezel can be prevented. Further, since the skin material is fixed to the case with the skin material sandwiched between the bezel, the end of the skin material is prevented from protruding from the bezel and the skin material is prevented from dropping, and the appearance near the operation system parts is improved. Moreover, after the positioning and fixing of the skin material is completed, it can be fixed to the case by covering the skin material with a bezel, and there is no possibility that wrinkles or slacking may occur during mounting.

  In an aspect in which a locking claw is provided at the tip of the protruding piece and the edge of the slit is locked by the locking claw, the slit is fixed immediately when the slit of the reinforcing member is engaged with the protruding piece, The operation of sequentially locking the projecting piece and the slit can be performed easily and reliably, and after the fixing of the skin material by the reinforcing member, it does not come off or become loose until the bezel is attached. Further, when the bezel is removed for maintenance or repair after installation, the skin material does not come off, and the original state can be restored simply by attaching the bezel after work.

  Further, in the present invention, in a mode in which a shelf surface is provided around the case opening, and the skin material and the reinforcing member are sandwiched between the shelf surface and the outer peripheral edge of the bezel, the reinforcing member is lowered by the shelf surface. Surface is supported from the side, and the skin material is stably and firmly fixed.In particular, the skin material is firmly fixed at the middle part between the protruding piece and the protruding piece. In addition, the appearance near the operation system parts is improved.

  In the present invention, the outer surface of the case is provided with a receiving surface spaced from the upper surface opening, and a part of the cushion material is sandwiched between the receiving surface and the reinforcing member. Then, the cushion material is supported in the peripheral portion of the case, and the appearance of the vicinity of the operation system parts is improved by preventing the cushion material from falling.

  Hereinafter, an embodiment of the present invention will be described taking an example of an unlocking device attached to a vehicle seat. FIG. 1 shows a seat back 1 of a seat used in a vehicle such as an automobile. The seat back 1 is fixed in an upright state with respect to a vehicle body via a lock mechanism (not shown). When the occupant operates the release device 2 (operating unit, operation part) provided on the upper part, the lock mechanism is released, and the seat back 1 can be rotated around the lower rotation shaft 1a. This is a so-called retractable seat that can tilt 1 forward.

  As shown in FIG. 3, the release device 2 is provided near the front of the vehicle body at the top of the seat back 1, and accommodates a knob 3 (lever) for operating the release mechanism, the knob 3, and a rotation shaft 31. It is mainly composed of a box-like case 4 that is rotatably supported and a bezel 5 that covers the periphery of the knob 3 and is fixed to the case 4. A lock mechanism is connected to the knob 3 via a rod or the like (not shown) when the occupant puts his / her finger on the recess 30 of the knob 3 and rotates the knob 3 to the front side in the vehicle front-rear direction as indicated by an arrow X. Is to be canceled. Hereinafter, the attachment structure of the release device 2 to the seat back 1 will be described with reference to FIGS.

  The case 4 has a bottomed rectangular tube shape and is configured to accommodate the knob 3 and an internal mechanism (not shown) from the upper surface opening 40. The upper surface opening 40 of the case 4 is formed such that the front side is inclined forward from substantially the center according to the shape of the seat back 1 of the installation portion, and the upper end edge on the front side is formed low. A plurality of locking portions 41 for fixing the bezel 5 are protruded laterally around the upper surface opening 40.

  A plurality of projecting pieces 42 are erected around the upper surface opening 40, and a locking claw 42 a is provided at the tip of the projecting piece 42. Further, a shelf surface 43 projecting laterally is provided around the upper surface opening 40. Of the plurality of projecting pieces 42, the projecting pieces 42 on the rear side and both sides of the case 4 are erected on the edge of the shelf surface 43. Further, a receiving surface 44 is provided on the side surface of the case 4 so as to be separated from the upper surface opening 40 or the shelf surface 43.

  Block-shaped convex portions 45 project from the bottom of the case 4, and locking claws 45 a and 45 b project from the front and both sides of the convex portion 45 in the vehicle front-rear direction. Of these, the locking claws 45b on both side surfaces protrude from an elastic piece projecting into the opening 45c provided on the side surface, and can be immersed in the convex portion 45. Support holes 46 and 46 are provided below the inner side surface of the case 4 so as to face each other. The support holes 46 and 46 are also formed in the elastic pieces in the same manner as described above, and can be expanded outward of the case 4. Yes, a shaft portion (not shown) of the knob 3 can be press-fitted. In the configuration of these elastic pieces, the case 4 is preferably formed of a molded product using a resin material. The same applies to the other components constituting the release device 2, the knob 3 and the bezel 5.

  The bezel 5 has a frame shape that covers the periphery of the upper surface opening 40 of the case 4, and a hanging piece 50 that hangs down from the rear side of the bezel 5 in the vehicle front-rear direction toward the inside of the case 4 is formed. . Further, a plurality of locked portions 51 project from the lower surface of the bezel 5 so as to correspond to the plurality of locking portions 41 of the case 4. Of the plurality of locked portions 51, each locked portion 51 other than the front side is formed of an elastic piece and can be expanded outward.

    On the other hand, a reinforcing member 7 having a rectangular frame shape according to the shape of the bezel 5 is fixed to the edge of the opening 60 of the skin material 6. The reinforcing member 7 is made of a flat flexible sheet material such as resin. As shown in FIGS. 4 and 5, a case 4 is provided on a projecting portion 70 that projects from the edge of the opening 60 into the opening 60. A slit 72 is formed in an arrangement corresponding to the protruding piece 42. Further, narrow portions 72 a corresponding to the locking claws 42 a of the protruding piece 42 are formed at both ends of the slit 72. Further, a notch portion 71 is provided between the overhang portions 70 in an arrangement corresponding to the locking portion 41 of the case 4.

  The reinforcing member 7 is attached by sewing in advance in the sewing process of the skin material 6 before the release device 2 is attached. When the reinforcing member 7 is fixed to the skin material 6 by sewing, a seam allowance is provided so that the reinforcing member 7 and the skin material 6 overlap each other, and the strength of the sewing line 61 is ensured. In addition to the sewing, the reinforcing member 7 may be fixed to the skin material 6 by welding or the like.

  Next, the attachment process and attachment structure of the release device 2 to the seat back 1 will be described based on the above embodiment.

  As shown in FIGS. 6 and 7, the case 4 in which the knob 3 and the internal mechanism are assembled has the bottom convex portion 45 fitted into the mounting hole 95 provided in the seat frame 9 of the seat back 1, and the side surface of the convex portion 45. The locking claws 45a and 45b are fixed to the seat frame 9 by being locked to the edge of the mounting hole 95. Next, the opening 80 of the cushion material 8 is aligned with the case 4, and the cushion material 8 is assembled to the seat frame 9 so as to cover the seat frame 9 with the cushion material 8. At this time, as shown in FIG. 7, the projecting portion 81 of the cushion material 8 is sandwiched and sandwiched between the shelf surface 43 and the receiving surface 44 of the case 4.

  Next, as shown in FIGS. 4 and 6, the opening 60 of the skin material 6 to which the reinforcing member 7 is fixed is aligned with the upper surface opening 40 of the case 4, and the slit 72 of the reinforcing member 7 is formed in the protruding piece 42 of the case 4. The narrowed portion 72 a of the slit 72 is locked by the locking claw 42 a of the projecting piece 42 to position the skin material 6 and to be fixed to the case 4.

  Then, the locked portion 51 of the bezel 5 is passed through the notch portion 71 and locked to the locking portion 41, and the edge of the skin material 6 and the reinforcing member 7 are formed by the lower surface of the bezel 5 and the shelf surface 43 of the case 4. The bezel 5 is fixed to the case 4 in a state where is held. Thereby, the periphery of the knob 3 and the case 4 and the edge of the skin material 6 are covered with the bezel 5.

  In the release device 2 attached to the seat back 1 as described above, the reinforcing member 7 is engaged with the protruding piece 42 of the case 4 so that the skin material 6 is positioned and fixed to the case 4. The skin material 6 can be attached easily and reliably. Conventionally, the skin material 6 is loaded with a load when an occupant is seated or when the knob 3 is operated. Further, the skin material 6 itself is easily pulled near the outer periphery of the bezel 5. The engagement of the piece 42 prevents the end portion of the skin material 6 from protruding from the bezel 5 and the skin material 6 from dropping, and the appearance near the attachment portion is improved.

  Further, as shown in FIG. 6, the shelf surface 43 of the case 4 and the lower surface (end edge portion) of the bezel 5 are pressed so as to sandwich the skin material 6 and the reinforcing member 7 from both sides, and the projecting piece 42 is formed in the slit 72. Since it is fixed in the inserted state, the end of the skin material 6 is prevented from being turned over, and the followability to the curved surface design is good, and the appearance in the vicinity of the attachment portion is also improved from this point. Further, as shown in FIGS. 6 and 7, on the side surface of the case 4, the protruding portion 81 of the cushion material 8 can be received by the shelf surface 44, and the cushion material 8 is prevented from dropping around the case 4. The appearance near the area is improved. In addition, it is not necessary to fix other parts such as a frame material by welding or the like as in the prior art, and the shape of the cushion material 8 and the skin material 6 around the operation system part 2 can be securely held with a small number of parts, and the appearance Can be improved.

  In the above embodiment, the case 4 is fitted into the mounting hole 95 of the seat frame 9 and fixed by locking the locking claws 45a and 45b to the edge of the mounting hole 95. It may be fixed to the seat frame 9 with a screw or the like. Further, since the case 4 and the skin material 6 are firmly fixed via the reinforcing member 7, the operation system component (case 4) is not particularly fixed to the seat frame 9 or the like depending on the type of operation system component to be attached. May be. Furthermore, in the said embodiment, although the case where the latching claw 42a was provided in the protrusion 42 was shown, the latching claw 42a can also be abbreviate | omitted. In particular, in the case of the release device 2 of the embodiment, it is provided on a curved surface from the upper surface of the seat back 1 to the front surface, and the projecting pieces 42 on the front end side and the rear end side protrude slightly backward, so use it. And can be locked. However, the provision of the locking claws 42a on the projecting piece 42 increases the locking force, and there is an advantage that the reinforcing member 7 can be reliably locked even when a material having high strength and elasticity is used.

  As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, Various deformation | transformation and a change are possible based on the technical idea of this invention.

It is a left view which shows the seat of the vehicle which implements this invention. It is a perspective view which shows the external appearance of the seat which attached the operation type | system | group component concerning embodiment of this invention. It is the perspective view which partially cut off which shows the attachment structure of the operation type | system | group component concerning embodiment of this invention. It is a perspective view of the decomposition | disassembly state which shows the attachment process of the operation type | system | group components concerning embodiment of this invention. It is an expansion perspective view which shows the reinforcement member concerning embodiment of this invention. It is AA sectional drawing of FIG. It is a side view which shows the attachment structure of the operation type components concerning embodiment of this invention.

Explanation of symbols

1 Seat back 1a Rotating shaft 2 Release device (operation system parts)
3 Knob (operation member)
30 Depression 31 Rotating shaft 4 Case 40 Upper surface opening 41 Locking portion 42 Projection piece 42a Locking claw 43 Shelf surface 44 Receiving surface 45 Protrusion 45a, 45b Locking claw 45c Opening portion 46 Support hole 5 Bezel 50 Drooping piece 51 Locked portion 6 Skin material 60 Opening portion 61 Sewing line 7 Reinforcing member 70 Overhang portion 71 Notch portion 72 Slit 72a Narrow portion 8 Cushion material 80 Opening portion 81 Projection portion 9 Seat frame 95 Mounting hole

Claims (4)

A seat provided with a frame, a cushion material covering the frame, and a skin material covering the surface of the cushion material, and an operation system component is attached to the frame through an opening provided in the skin material and the cushion material In the mounting structure of operation system parts to
The operation system component includes a box-shaped case having an opening on the upper surface, an operation member accommodated in the case, and a bezel that covers the case opening around the operation member,
A protruding piece is erected at the case opening, and a frame-shaped reinforcing member made of a flexible sheet material is provided around the opening of the skin material, and the reinforcing member corresponds to the protruding piece. A slit is drilled in the arrangement
The protruding piece is inserted into the slit to lock the reinforcing member around the case, and further, the outer peripheral edge of the bezel is brought into contact with the skin material around the locking portion, and the skin material and A structure for mounting an operation system component to a seat, wherein the bezel is fixed to the case in a state where the reinforcing member is sandwiched between the bezel and the case.   2. A structure for mounting an operation system component to a seat according to claim 1, wherein a locking claw is provided at a tip of the projecting piece, and an edge of the slit is locked by the locking claw.   A shelf surface is provided around the case opening, and the skin material and the reinforcing member are sandwiched between the shelf surface and the outer peripheral edge of the bezel. Mounting structure of operation system parts to the seat.   The outer surface of the case is provided with a receiving surface spaced apart from the upper surface opening, and a part of the cushion material is sandwiched between the receiving surface and the reinforcing member. Item 4. A structure for mounting an operation system component to the seat according to any one of Items 1 to 3.

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