JP2013100001A - Vehicle seat with lower cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly designed vehicle seat with a lower cover, configured to prevent the surface of the lower cover from rippling or the shape of a member, such as a wire harness, from appearing.SOLUTION: A gap generated between a seat back and a seat cushion is covered with a lower cover formed of a fabric material having upper end fixed to a lower part of a rear face of the seat back, and a lower end fixed to a bottom of the seat cushion. On the inside of the lower cover, a resin plate material is provided. Both sides of the plate material are fixed to an inner shield and an outer shield formed on both sides of a joint part between the seat back and the seat cushion. The surface in the rear of the plate material is covered while the lower cover is tensed, thereby reflecting the shape of the plate material in the lower cover.

Description

  The present invention relates to a vehicle seat, and more particularly to a vehicle seat including a lower belt cover that covers a gap between a seat back and a seat cushion.

  In a conventional vehicle seat, a gap generated between the rear end portion of the seat cushion and the lower end portion of the seat back is covered with a lower belt cover. Wire harnesses for airbags and seat heaters are arranged in front of the gap and its front, and these wire harnesses are concealed to protect them from being caught by the legs of the occupants at the rear and for design. Such a lower belt cover is provided for the purpose of raising. Usually, the upper end of the lower belt cover is sewn to the lower part of the seat back, and the lower end is fixed to the bottom of the seat cushion with a rubber band or the like.

  As disclosed in Patent Document 1, a lower belt cover (hidden cover) made of a cloth material is formed by reinforcing a backing plate, and the backing plate is sewn on the lower belt cover at the upper side and the edge periphery. It is fixed inside the lower belt cover. The backing plate is made of a cloth material having rigidity such as a resin such as polypropylene or a press felt.

JP 2007-22502 A

  In the configuration as described above, although the lower belt cover is reinforced by the backing plate, the backing plate is only fixed to the lower belt cover, so the wire harness disposed inside the lower belt cover is The lower belt cover may be pushed together with the plate to affect the shape of the surface of the lower belt cover. In addition, the inner shield and the outer shield are provided on the inner side surface and the outer side surface of the joint portion between the seat cushion and the seat back in the vehicle width direction, but the lower belt cover passes the front side from the rear end surface of the inner shield and the outer shield, A step is formed between the rear end surfaces of both shields and the surface of the lower belt cover. Thus, in the conventional general vehicle seat, the design of the lower belt cover portion is not good. Furthermore, when the seat back is tilted backward using the reclining device, the gap between the seat back lower end and the seat cushion rear end is narrower than in the state where the seat back is standing up. The cover bends downward and undulates, making it look worse.

  In addition, it is necessary to sew the backing plate to the lower belt cover, and the backing plate is hard and has many sewing locations. Therefore, there is a problem that labor and cost are required for the sewing work in the sheet manufacturing process.

  The problem to be solved by the present invention is to cover the gap formed between the rear end portion of the seat cushion and the lower end portion of the seat back with the lower belt cover, whether the seat back is standing or tilted. An object of the present invention is to provide a vehicle seat with a lower belt cover that has a good appearance of the belt cover and that can be easily manufactured and attached.

  In order to solve the above problems, the vehicle seat with a lower belt cover according to the present invention has a seat back coupled to the rear of the seat cushion, and the inner side surface of the coupling part is covered with an inner shield, In the vehicle seat whose outer side surface in the vehicle width direction is covered with an outer shield, a resin plate material is provided between the rear end surface of the inner shield and the rear end surface of the outer shield. An end is fixed to the inner shield, and the other end is fixed to the outer shield. A rear surface of the plate material is covered with a lower belt cover made of a cloth material, and the lower belt cover has an upper end portion. Is fixed to the lower part of the rear surface of the seat back, the lower end is fixed to the bottom of the seat cushion, and tension is applied from the upper end to the lower end. To.

  Here, one end of the plate member is inserted and fitted into a fitting hole provided in the rear end surface of the inner shield, and the other end is inserted and fitted into a fitting hole provided in the rear end surface of the outer shield. Are preferably combined.

  In this case, rear end surfaces of the inner shield and the outer shield are formed in a stepped shape having two steps in the sheet width direction, and the step on the inner side in the sheet width direction of the stepped shape is made of the plate material than the step on the outer side in the sheet width direction. The fitting hole is formed in a step on the inner side in the sheet width direction, and a rear surface of the plate material and a step on the outer side in the sheet width direction of the inner shield and the outer shield are formed. It is good to have it all together.

  Alternatively, rear end surfaces of the inner shield and the outer shield are formed in a staircase shape including three steps in the seat width direction, and the center step of the staircase shape is a thickness of the lower belt cover than a step on the outer side in the seat width direction. Further, the inner step in the sheet width direction is lower by the thickness of the plate material than the central step, and the fitting hole is formed in the inner step in the sheet width direction, and the lower belt The cover is in contact with the inner shield and the outer shield at the center step, and the rear surface of the lower belt cover and the outer step in the seat width direction of the inner shield and the outer shield are flush with each other. Good.

  According to the vehicle seat with the lower belt cover according to the invention, the resin plate material is fixed to the inner shield and the outer shield and provided between the rear end surfaces of the both, and the rear surface of the resin plate is provided. Since the lower belt cover is provided so as to cover, the surface shape of the lower belt cover is defined by the shape of the plate material, and it is prevented that the wire harness or the like presses the lower belt cover and affects the shape of the lower belt cover surface. The Even when there is a foot kick or the like by a passenger in the rear seat, the shape of the lower belt cover is stably maintained. Such shape stability is also enjoyed when a fabric material having a low basis weight is used as the lower belt cover. Further, due to the presence of the plate material, the lower belt cover does not pass through the front side of the rear end surfaces of the inner shield and the outer shield. Furthermore, even when the seat back is tilted by the reclining device, the state where the lower belt cover is stretched over the surface of the plate material without being loosened is maintained, so that the lower belt cover is prevented from wavy. Thus, according to the said structure, the designability of a lower belt cover part improves compared with the conventional vehicle seat. Furthermore, the plate material does not need to be sewn to the back surface of the lower belt cover, and does not require the sewing work that is necessary for a conventional vehicle seat using a backing plate.

  Here, if the plate material is inserted and fitted into the fitting holes provided in the inner shield and the outer shield, the plate material is securely fixed to the inner shield and the outer shield. Further, the plate material can be attached by an easy operation of simply inserting and fitting the fitting piece into the fitting hole.

  In this case, a two-step staircase shape is formed on the rear end surface of the inner shield and the outer shield, and the rear surface of the plate material and the step on the outer side in the seat width direction of the inner shield and the outer shield are flush with each other. Since the rear edge of the lower belt cover, the inner shield and the outer shield are aligned except for the thickness of the cloth material of the lower belt cover when viewed from the rear, the design is further enhanced.

  Alternatively, when the three-step staircase shape is formed on the rear end surface of the inner shield and the outer shield, and the rear surface of the lower belt cover and the step on the outer side in the seat width direction of the inner shield and the outer shield are aligned, the seat Since the rear band edge of the lower belt cover, the inner shield, and the outer shield are aligned when viewed from behind, the design of the lower belt cover portion of the seat is further improved.

It is a perspective view of a vehicular seat with a lower belt cover concerning one embodiment of the present invention. It is a side view of the vehicle seat with a lower belt cover concerning the said embodiment. It is AA sectional drawing of FIG. It is a disassembled perspective view of a part of a vehicle seat with a lower belt cover according to the embodiment. It is BB sectional drawing of FIG. 4 in the state which installed the plate material and the lower belt cover.

  Hereinafter, a vehicle seat with a lower belt cover according to an embodiment of the present invention will be described in detail with reference to the drawings. The vehicle seat 1 includes a seat cushion 2 on which an occupant sits, and a seat back 3 attached to the rear of the seat cushion 2 and serving as a backrest. The seat back 3 can be tilted by a reclining device. A space S is formed behind the connecting portion between the seat cushion 2 and the seat back 3, but the space S is concealed by a lower belt cover 4 made of a cloth material. Inside the lower belt cover 4, a wire harness connected to an airbag, a seat heater, or the like is disposed. Further, an inner shield 5 is provided on the inner side surface of the connecting portion of the seat cushion 2 and the seat back 3 in the vehicle width direction, and an outer shield 6 is provided on the outer side surface of the vehicle width direction. The inner shield 5 and the outer shield 6 are made of resin, and are for concealing the joint portion between the seat cushion 2 and the seat back 3 and parts such as the reclining device.

  A plate material 7 is disposed inside the lower belt cover 4. The plate material 7 is made of resin and has a shape that is long in the sheet width direction. The plate material 7 is installed so that one side edge is fixed to the inner shield 5 and the other side edge is fixed to the outer shield 6 so as to connect between the outer shield 6 and the rear end face of the inner shield 5.

  The upper end portion of the lower belt cover 4 is sewn below the seat back 3 and covers the rear surface of the plate material 7. An annular rubber band 4 a is attached to the lower end of the lower band cover 4. The lower belt cover 4 is in contact with the rear surface of the plate member 7 in a state where tension is applied from the upper end portion toward the lower end portion due to the elasticity of the rubber band 4a.

  FIG. 4 shows the shape of the plate material 7. Fitting pieces 7a and 7b bent forward of the seat are formed at both ends of a substantially rectangular plate having a width substantially the same as the distance between the inner shield 5 and the outer shield 6. On the other hand, slit-like fitting holes 5a and 6a into which fitting pieces 7a and 7b can be inserted and fitted are formed on the rear end surfaces of the inner shield 5 and the outer shield 6, respectively. The fitting piece 7a is inserted and fitted into the fitting hole 5a, and the fitting piece 7b is inserted and fitted into the fitting hole 6a, so that the plate material 7 is fixed between the inner shield 5 and the outer shield 6, The substantially rectangular portion of the plate material 7 is passed between the inner shield 5 and the outer shield 6.

  The resin material that constitutes the plate material 7 is not particularly limited, but can be stably held between the inner shield 5 and the outer shield 6 and is not easily deformed or displaced even when subjected to a foot kick or the like from the rear part. It is necessary to select a rigid material and thickness. An example of the material is polypropylene.

  As shown in FIGS. 4 and 5, a three-step staircase shape is formed on the rear side surface of the inner shield 5 and the outer shield 6 in the sheet width direction. Taking the inner shield 5 as an example, the step 5d on the outer side in the seat width direction (the inner side in the vehicle width direction) is the highest. Next, the central step 5c is raised. The step 5b on the inner side in the seat width direction (outer side in the vehicle width direction) is the lowest. The difference in height between the outer step in the sheet width direction and the center step is equal to the thickness of the cloth material of the lower belt cover 4, and the difference in height between the center step and the inner step in the sheet width direction is the plate material 7. It is equal to the thickness of the resin material. The fitting hole 5a is formed in the step 5b on the inner side in the sheet width direction. The outer shield 6 has a mirror-symmetrical configuration with the inner shield 5, and the rear end surface is formed with a stepped shape that becomes lower toward the inner side in the seat width direction (inner side in the vehicle width direction).

  Since the fitting holes into which the fitting pieces 7a and 7b of the plate material 7 are inserted and fitted are formed in the inner shield 5 and the outer shield 6 on the inner width 5b and 6b on the inner side in the sheet width direction, respectively. The rear surface of the plate material 7 attached between the outer shield 6 and the outer shield 6 is flush with the central steps 5c and 6c.

  Further, the width of the lower belt cover 4 is made substantially the same as the distance between the central step 5 c of the inner shield 5 and the central step 6 c of the outer shield 6, and the lower belt cover 4 is covered on the plate material 7. Then, the lower belt cover 4 comes into contact with the surfaces of the central steps 5c and 6c of the shields 5 and 6. Since a step equal to the thickness of the cloth material of the lower belt cover 4 exists between the central steps 5c, 6c and the outer steps 5d, 6d in the sheet width direction, the rear surface of the lower belt cover 4 is in the sheet width direction. It is flush with the outer steps 5d and 6d. That is, when the seat is viewed from the rear side, the rear end surfaces of the inner shield 5 and the outer shield 6 and the surface of the lower belt cover 4 are aligned.

  As described above, the lower belt cover 4 is in contact with the rear surface of the plate material 7 in a state where tension is applied from the upper end portion toward the lower end portion due to the elasticity of the rubber band 4a. 4 is stretched over the surface of the plate material 7 without slack. For this reason, the shape of the wire harness accommodated in the surface of the lower belt cover 4 in the undulation or the gap S does not appear. Even when the seat back 3 is tilted using the reclining device, the plate material 7 is fixed to the inner shield 5 and the outer shield 6, so that the lower belt cover 4 that does not slack on the surface thereof does not wavy.

  As mentioned above, although embodiment of this invention was described in detail, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the summary of this invention.

  For example, the rear end surfaces of the inner shield and the outer shield may be formed in a two-step staircase shape instead of being formed in a three-step staircase shape. In this case, if the step is made equal to the thickness of the resin material of the plate material, the rear end surfaces of the inner shield and outer shield and the rear surface of the plate material 7 are aligned when the plate material is attached. When the lower belt cover is covered thereon, the rear end surfaces of the inner shield and the outer shield are flush with the surface of the lower belt cover except for the thickness of the lower belt cover when viewed from the back of the seat. Although it is inferior in designability compared with the case where the staircase shape has a three-stage configuration as in the above-described embodiment, a somewhat high designability is achieved even in this configuration.

  Moreover, in the said embodiment, although the part between the inner shield and outer shield of a plate material was formed in the substantially rectangular shape, this part was curved so that it might project back, and the rear end surface of an inner shield and an outer shield It may be formed as a curved surface having the same curved shape as the curved surface. Then, the inner shield and the outer shield are integrally connected with a curved line, and the lower belt cover receives a rearward tension due to the curved shape that protrudes rearward of the plate material. The plate material is covered with no slack. Thereby, the appearance of the sheet is further improved.

2 Seat cushion 3 Seat back 4 Lower belt cover 5 Inner shield 5a Fitting hole 6 Outer shield 6a Fitting hole 7 Plate material 7a, 7b Fitting piece

Claims (4)

In the vehicle seat in which the seat back is connected to the rear of the seat cushion, the side surface on the inner side in the vehicle width direction of the connecting portion is covered with the inner shield, and the side surface on the outer side in the vehicle width direction is covered with the outer shield.
A resin-made plate material is provided between the rear end surface of the inner shield and the rear end surface of the outer shield. The plate material has one end fixed to the inner shield and the other end fixed to the outer shield. Has been
The rear surface of the plate material is covered with a lower belt cover made of a cloth material, and the lower belt cover has an upper end portion fixed to a lower portion of the rear surface of the seat back and a lower end portion on the bottom portion of the seat cushion. A vehicle seat with a lower belt cover, which is fixed and tension is applied from the upper end portion toward the lower end portion.   One end of the plate material is inserted and fitted into a fitting hole provided in the rear end surface of the inner shield, and the other end is inserted and fitted into a fitting hole provided in the rear end surface of the outer shield. The vehicle seat with a lower belt cover according to claim 1, wherein the vehicle seat has a lower belt cover.   The rear end surfaces of the inner shield and the outer shield are formed in a staircase shape having two steps in the sheet width direction, and the step on the inner side in the sheet width direction of the step shape is only the thickness of the plate material than the step on the outer side in the sheet width direction. The fitting hole is formed in a step on the inner side in the sheet width direction, and a rear side surface of the plate material and a step on the outer side in the sheet width direction of the inner shield and the outer shield are aligned. The vehicle seat with a lower belt cover according to claim 2, wherein the vehicle seat has a lower belt cover.   The rear end surfaces of the inner shield and the outer shield are formed in a staircase shape having three steps in the seat width direction, and the center step of the staircase shape is lower than the outer step in the seat width direction by the thickness of the lower belt cover. Further, the inner step in the sheet width direction is lower than the center step by the thickness of the plate material, the fitting hole is formed in the inner step in the sheet width direction, and the lower belt cover is The inner shield and the outer shield are in contact with each other at the center step, and the rear surface of the lower belt cover and the step on the outer side in the seat width direction of the inner shield and the outer shield are flush with each other. The vehicle seat with a lower belt cover according to claim 2, wherein the vehicle seat has a lower belt cover.

Images