JP2008155686A - Buckle storage structure for seat belt - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a small article such as a coin from passing through a penetration hole formed on a buckle storage part of a seat belt and dropping off to a back side of a seat. <P>SOLUTION: In the buckle storage structure, a storage part 12 of a recession shape is provided on a seat sitting surface 11 of a seat cushion, the penetration hole 13 is provided on a bottom part of the storage part 12, a wall part 16 is provided on a surface of the bottom part of the storage part 12 so as to stand from a periphery of the penetration hole 13 toward an upper side of the vehicle, and the buckle 6 is inserted to the penetration hole 13. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a buckle storage structure in which a concave storage portion is provided on a seat seat surface of a seat cushion, an insertion hole is formed in a bottom portion of the storage portion, and the buckle is inserted into the insertion hole.

  A seat belt of a vehicle or the like mainly employs a structure in which a male tongue is inserted into a female buckle and the tongue and the buckle are engaged and fixed when an occupant wears the seat belt. Yes. A seat including the seat belt includes a separate seat and a bench seat. However, in the case of a bench seat, the buckle is disposed on a seat cushion between portions where an occupant actually sits. Therefore, it is necessary to arrange the buckle so that the buckle does not interfere with the occupant's seating. Therefore, in a general buckle housing structure, an insertion hole is formed on a seat cushion, and the buckle is inserted through the insertion hole. Moreover, the buckle storage structure similar to the bench seat may be used for the separate seat.

  As a conventional buckle storage structure, Japanese Patent Application Laid-Open No. Hei 8-192716 discloses an insertion hole formed in the rear portion of a seat cushion, and a skin material is covered along an inner surface of the insertion hole, and an upper end and a lower end of the skin material. A seat belt buckle storage structure is disclosed in which the opening is formed in a shape along the opening of the insertion hole.

  In Japanese Utility Model Publication No. 3-20216, a belt box having an upper portion opened on a seat cushion is embedded, and an insertion hole is formed in the bottom of the belt box. The insertion hole is formed in a long hole shape. A seat belt buckle housing structure in which a buckle is inserted into the insertion hole is disclosed.

  Japanese Utility Model Publication No. 61-190755 discloses a seat belt buckle housing structure in which a hole is formed in the rear portion of a seat cushion, the hole is closed with a protector with a slit, and a buckle is inserted into the slit. Yes.

JP-A-8-192716 Japanese Utility Model Publication No. 3-20216 Japanese Utility Model Publication No. 61-190755

  However, the storage structure of the buckle of Patent Documents 1 to 3 is not provided with a shield that prevents small objects such as coins from entering the periphery of the insertion hole of the buckle. It has a structure in which the small items can easily enter. In addition, dust and dust other than the small objects can easily enter the lower portion of the seat through the insertion hole.

  Therefore, in view of the conventional problems, an object of the present invention is to prevent a problem that an accessory or the like falls from the insertion hole to the lower side of the sheet.

  In order to solve the problem, the buckle storage structure of the present invention is provided with a concave storage portion on the seat seat surface of the seat cushion, and a through hole is formed in the bottom portion of the storage portion, on the bottom surface of the storage portion. A wall portion is erected from the periphery of the insertion hole toward the top of the vehicle, and the buckle is inserted through the insertion hole.

  The position of the upper end of the wall portion may be lower than the position of the seat seat surface.

  The wall portion may be formed of a flexible material.

  A concave portion covered with the flexible material is formed along a side wall surface and a bottom surface of the storage portion, and the wall portion and the concave portion are integrally formed of the flexible material. Also good.

  You may sew a part of said wall part and a part of side wall part of the said recessed part.

  The flexible material may be formed of a skin material or a rubber material.

  According to the buckle housing structure of the present invention, the following effects can be obtained. In the buckle storage structure of the present invention, a concave storage portion is provided on the seat seat surface of the seat cushion, and an insertion hole is formed at the bottom of the storage portion. Further, since a wall portion is erected on the bottom surface of the storage portion from the periphery of the insertion hole toward the upper side of the vehicle, even if a small item such as a coin falls in the concave storage portion, the wall The portion can block the accessory from moving from the bottom of the storage portion to the insertion hole. Therefore, the accessory does not enter the insertion hole and can be prevented from dropping to the lower part of the seat.

  The buckle is inserted through the insertion hole, and the position of the upper end of the wall portion is preferably lower than the position of the seat seat surface. When the storage portion is viewed from above the seat seating surface, the inside of the wall portion that is relatively poor in appearance is hidden by the buckle body, and the appearance of the seat can be improved. Further, the opening at the upper end of the wall portion is closed by a part of the buckle, so that the accessory does not enter the insertion hole and can be prevented from falling to the lower portion of the seat.

  The wall portion may be formed of a flexible material such as a skin material or a rubber material. By appropriately selecting the flexible material, the wall portion can be flexibly deformed, and the deformed wall portion can be restored to its original shape.

  A concave portion covered with the flexible material is formed along a side wall surface and a bottom surface of the storage portion, and the wall portion and the concave portion are integrally formed of the flexible material. Also good. Sewing work between the wall portion and the concave portion is reduced, and the number of manufacturing steps can be reduced.

  You may sew a part of said wall part and a part of side wall part of the said recessed part. The wall portion is always supported by the concave portion, and when the wall portion is deformed, the wall portion is easily returned to the standing state. In addition, it is possible to stably maintain the standing state of the wall portion. Further, when a member such as the buckle is inserted through the opening at the upper end of the wall from above the vehicle, the buckle is prevented from being caught by the opening and causing the wall to protrude downward in the insertion hole. It becomes possible to do.

  Embodiments of the present invention will be described below. However, in FIGS. 1 to 3, the present embodiment will be described using a direction with reference to the vehicle front Ft. FIG. 1 is an exploded view of the main basic structure of a separate seat used in the driver seat of a right-hand drive vehicle. The seat 1 includes a seat cushion assembly 2 that is a portion on which an occupant sits, and an upper surface of the seat cushion assembly 2 is an assembly upper surface 3. The seat cushion assembly 2 includes a frame material (not shown) that serves as a frame. The occupant is seated in the vicinity of the left and right center of the upper surface 3 of the assembly. However, the seat cushion assembly 2 of the present embodiment has a relatively large left-right width, and the distance from the actual seating position of the occupant to the side surface of the seat cushion assembly 2 in the vehicle body inner direction becomes longer. Yes. Therefore, in the buckle housing structure of the present embodiment, the buckle 6 of the seat belt 8 is disposed in the vicinity of the position where the occupant sits on the upper surface 3 of the assembly in order to hold the seat belt 8 in close contact with the occupant's body. There is a need.

  On the other hand, the seat cushion device 5 is fixed to the floor of the vehicle interior, the seat belt 8 includes a buckle 6 and a tongue 7, and the buckle 6 includes a buckle body 6 a and a buckle column 6 b. The buckle body 6 a has a substantially rectangular parallelepiped shape and includes a mechanism that engages with the tongue 7. The buckle column 6b is substantially rod-shaped, and one end of the buckle column 6b is attached to the buckle body 6a, and the other end of the buckle column 6b is attached to the rear side of the seat cushion device 5 in the vehicle inner direction.

  The inner cover 9 is attached to the inner surface of the seat cushion device 5 and the outer cover 10 is attached to the outer surface of the seat cushion device 5. The seat 1 is attached to the seat cushion device 5 via a frame material (not shown) of the seat cushion assembly 2.

  The buckle storage structure in this embodiment will be described with reference to FIGS. The seat cushion assembly 2 has a structure in which the surface of the seat cushion pad 4 is covered with a seat skin material 18, and the upper surface of the seat cushion pad 4 is a seat seat surface 11. A recessed storage portion 12 is provided behind the seat seat surface 11 closer to the vehicle inner side. The storage portion 12 has a substantially rectangular parallelepiped shape and is formed corresponding to the shape of the buckle body 6a. An insertion hole 13 is formed at the rear of the bottom of the storage unit 12. Further, the buckle 6 is disposed so that the entire buckle body 6 a protrudes from the insertion hole 13. The buckle body 6a is rotatable in the vehicle up-down direction around the buckle rotating shaft 6c.

  A skin material 14 is covered along the side wall surface and the bottom surface of the storage portion 12 to form a recess 15. A wall portion 16 that stands up from the bottom of the storage portion 12 toward the upper side of the vehicle around the insertion hole 13 is formed of a skin material 14. Therefore, the concave portion 15 and the wall portion 16 are integrally formed of the skin material 14. Further, the opening 17 formed at the upper end of the wall portion 16 is as small as possible within a range in which the buckle 6 can be inserted, and the position of the upper end of the wall portion 16 is lower than the position of the seat seat surface 11. It has become. Further, the rear side portion of the wall portion 16 is sewn to the rear side wall portion of the recess 15.

  An example of a method for integrally forming the concave portion 15 and the wall portion 16 with a skin material will be described with reference to FIGS. As shown in FIG. 4, the recess 15 is formed in a substantially rectangular shape (in FIGS. 4 to 6, the direction in which the short side 15 a of the recess 15 extends is the vertical direction, and the long side 15 b of the recess 15 extends. The wall 16 is formed in a substantially trapezoidal shape in plan view, and is disposed in two symmetrical directions along the lower long side 15b of the recess 15. The outer bottom 16a of the wall 16 is disposed along the short side 15a of the recess 15, and the length between the outer bottom 16a and the inner bottom 16b of the wall 16 is shorter than half of the long side 15b. ing. The length between the outer base 16a and the inner base 16b corresponds to the size of the opening 17 and is formed in accordance with the size of the buckle column 6b inserted through the opening 17. Further, the outer bottom side 16a is formed shorter than the inner bottom side 16b.

  Next, a procedure for forming the concave portion 15 and the wall portion 16 using the skin material 14 having the shape described above will be described. As shown in FIG. 4, the two wall portions 16 are folded back in the direction of arrow B along the boundary line between the concave portion 15 and the wall portion 16 indicated by the broken line.

  Next, as shown in FIG. 5, a portion where the outer bottom side 16 a of the wall portion 16 on the left and right sides overlaps with the short side 15 a of the concave portion 15 is sewn, and this sewn portion is connected to the sewn portion 101. To do. The skin material 14 is folded back by a valley fold in the direction of arrow C along a center line that divides the concave portion 15 indicated by a virtual line in the left-right direction.

  Next, as shown in FIG. 6, a portion where the short sides 15 a of the concave portion 15 and the outer bottom sides 16 a of the two wall portions 16 overlap is sewn, and the sewn portion is connected to the sewn portion 102. To do. Further, a portion where the inner bottom side 16 b of the two wall portions 16 overlaps with the two portions of the concave portion 15 is sewn, and the sewn portion is referred to as a sewn portion 103. Furthermore, the long side 15b on the lower side of the concave portion 15 is overlapped and the portion where the wall portion 16 is not overlapped is sewn, and the sewn portion is referred to as a sewn portion 104.

  As a result, the recess 15 and the wall 16 can be formed. Further, the rigidity of the wall portion 16 can be adjusted by changing the sewing method such as the number of stitched threads of the sewing portion 103, and the wall portion 16 deformed by the storage of the buckle body 6a can be replaced by the buckle 6. It becomes possible to make it easy to return to the original cylindrical shape at the time of use.

  As described above, the skin material 14 in which the recess 15 and the wall portion 16 are formed is placed on the storage portion 12 from above the vehicle, and the buckle 6 is inserted into the opening portion 17 and the insertion hole 13, and the buckle column 6 b is connected to the wall portion 16. The side wall portion and the bottom portion of the storage portion 12 are covered with the concave portion 15.

  The storage form of the buckle body 6a will be described with reference to FIG. When the seat belt 8 is not used, the buckle body 6a is housed in the housing portion 12 at an angle substantially parallel to the seat seat surface 11, as indicated by a virtual line in FIG.

  When the seat belt 8 is used, the buckle body 6a housed in the housing portion 12 is pivoted about the buckle pivot shaft 6c in the vehicle vertical direction to the angle when the seat belt 8 is mounted. The angle when the seat belt 8 is worn is set to an angle suitable for the seat belt 8 to stably support the occupant's body. Further, the buckle support 6b extends in a substantially the same posture as the buckle 6a when the seat belt 8 is used, while rising obliquely from the rear of the vehicle toward the front of the vehicle.

  As another embodiment of the present invention, the shape of the wall portion 16 may be formed in a substantially rectangular shape in the process of manufacturing the skin material 14 into the shape of the recess portion 15 and the wall portion 16.

  Further, as another embodiment of the present invention, in the process of producing the skin material 14 in the shape of the recess 15 and the wall 16, the outer bottom side 16 a of the wall 16 and the short side 15 a of the recess 15 are formed at the sewing portion 101. The outer bottom side 16a of the wall portion 16 and the short side 15a of the concave portion 15 may be sewn only by the sewing portion 102. Sewing work can be reduced and the number of manufacturing steps can be reduced.

  As another embodiment of the present invention, the seat skin material 18 that covers the seat cushion pad 4 and the skin material 14 that forms the recess 15 and the wall portion 16 may be formed of the same material. By arranging the skin material of the same material continuously, the texture of the skin materials is not interrupted in appearance, and a natural sheet appearance can be obtained.

  As another embodiment of the present invention, the seat skin material 18 that covers the seat cushion pad 4 and the skin material 14 that forms the recess 15 and the wall portion 16 may be integrally formed. The sewing work between the skin material 14 and the skin material on the seat seat surface 11 can be reduced, and the number of manufacturing steps can be reduced.

  As another embodiment of the present invention, the skin material 14 may be formed of other flexible materials. For example, it can be formed of a rubber material.

  As another embodiment of the present invention, it is possible to further provide a concave shape in a part of the bottom of the storage portion 12. Moreover, it is good to make the recessed part 15 respond | correspond to the concave shape further provided in a part of bottom part of the accommodating part. It is possible to make it difficult for small items or the like to enter the concave portion and move in the direction of the insertion hole 13.

  As another embodiment of the present invention, a cylindrical wall portion extends from the insertion hole 13 toward the bottom of the storage portion 12 toward the bottom of the vehicle, and the opening at the lower end of the cylindrical shape is tightened with a string or an insulation lock. You can close it. It is possible to reliably close the insertion hole 13.

It is the perspective view which decomposed | disassembled and looked at the main structure of the sheet | seat in embodiment of this invention from the vehicle left front upper side. It is the perspective view which looked at the buckle of the seatbelt in use in embodiment of this invention from the vehicle front upper side. FIG. 3 is a cross-sectional view showing a buckle of a seat belt in use in a cross section AA in FIG. 2. It is the top view which looked at the first procedure from the upper part of the skin material about the method of creating the recessed part and wall part of a buckle accommodating part in embodiment of this invention. It is the top view which looked at the procedure following FIG. 4 from the upper direction of the skin material about the method of creating the recessed part and wall part of a buckle accommodating part in embodiment of this invention. It is the top view which looked at the procedure following FIG. 5 from the upper direction of the skin material about the method of creating the recessed part and wall part of a buckle accommodating part in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat 2 Seat cushion assembly 3 Assembly upper surface 4 Seat cushion pad 5 Seat cushion device 6 Buckle 7 Tongue 8 Seat belt 9 Inner cover 10 Outer cover 11 Seat seat surface 12 Storage part 13 Insertion hole 14 Skin material 15 Recess 15a Short side 15b Long side 16 Wall 16a Outer base 16b Inner base 17 Opening 18 Sheet skin material 101 Sewn part 1
102 Sewing part 2
103 Sewing part 3
104 Sewing part 4
Ft vehicle front

Claims (6)

  A concave storage portion is provided on the seat seat surface of the seat cushion, an insertion hole is formed in the bottom portion of the storage portion, and a wall portion is formed on the bottom surface of the storage portion from the periphery of the insertion hole toward the upper side of the vehicle. A buckle storage structure which is erected and has the buckle inserted through the insertion hole.   The buckle storage structure according to claim 1, wherein a position of an upper end of the wall portion is lower than a position of the seat seat surface.   The buckle storage structure according to claim 1 or 2, wherein the wall portion is formed of a flexible material.   A concave portion covered with the flexible material is formed along a side wall surface and a bottom surface of the storage portion, and the wall portion and the concave portion are integrally formed of the flexible material. The buckle storage structure according to claim 3, wherein:   The buckle storage structure according to claim 4, wherein a part of the wall part and a part of the side wall part of the recess are sewn.   The buckle storage structure according to any one of claims 3 to 5, wherein the flexible material is formed of a skin material or a rubber material.

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