JP6693305B2 - Vehicle seat - Google Patents

Description

  The present invention relates to a vehicle seat. More specifically, the present invention relates to a vehicle seat including a headrest support that locks a headrest stay in an inserted state.

  BACKGROUND ART Conventionally, in a vehicle seat, a configuration is known in which a cylindrical headrest support for inserting and mounting a headrest stay from the upper side is attached to an upper surface portion of a seatback (Patent Document 1). The above-described headrest support is composed of a pair of left and right, and is respectively inserted and mounted from above into respective corresponding cylindrical holders attached to the upper frame of the seat back. Each headrest support has its head protruding from the upper surface of the seat back, and the insertion hole for inserting the headrest stay from the upper side is exposed to the outside.

  Of the headrest supports described above, the head of the headrest support on one side is provided with an operation knob for releasing the restriction state of the operation of pulling out the headrest stay inserted therein. The operation knob is attached to the side of the head of the headrest support on the one side described above, and is configured to release the restriction state of the withdrawal operation of the headrest stay by the pushing operation from the side.

JP, 2008-265585, A

  In the above-mentioned conventional technique, since the operation knob of the headrest support is always exposed to the outside, there is a possibility that the operation may be accidentally performed unintentionally. The present invention was devised as a solution to the above problems, and an object of the present invention is to prevent accidental erroneous operation of the operation knob of the headrest support.

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

  A first invention is a vehicle seat including a headrest support that locks a headrest stay in an inserted state. The headrest support has a head provided with an insertion hole into which the headrest stay is inserted, and an operation knob provided around the head for unlocking the inserted state of the headrest stay inserted into the head. The vehicle seat is further provided with a covering material for covering the operation knob with the outside.

  According to the first aspect of the present invention, by covering the operation knob provided around the head of the headrest support with the covering material to the outside, the operation knob cannot be seen from the outside, and the operation knob is arranged at the location. Even if a load is input from the outside, it will be difficult to hang it on the operation knob. Therefore, it is possible to prevent an accidental erroneous operation of the operation knob.

  The second invention has the following configuration in the above-described first invention. The covering material is composed of a flexible planar material that allows the operating knob to be operated from the outside through the covering material.

  According to the second aspect of the present invention, even if the operating knob is covered with the covering material, it is possible to bend the covering material and operate the operating knob by applying a force from the outside of the covering material when necessary.

  The third invention has the following configuration in the above-described first or second invention. The headrest support is provided in a state of being embedded in the upper surface of the seat back, leaving the head. The vehicle seat further includes a seat cover that passes under the head of the headrest support and covers the upper surface of the seatback. The covering material is constituted by a member different from the seat cover, and covers other structures not covered by the seat cover with respect to the outside in addition to the operation knob.

  According to the third aspect of the present invention, by covering other structures that are not covered by the seat cover with the covering material that covers the operation knob, it is possible to make it difficult for the contour lines of other structures to appear on the upper surface of the seat back. You can

  The fourth invention has the following configuration in the above-mentioned third invention. A combination of a headrest stay and a headrest support into which the headrest stay is inserted has a pair of left and right configurations. A structure in which a covering material is covered so as to cover each head portion of each headrest support with respect to the outside, and a through hole through which each corresponding headrest stay inserted into each head portion can be inserted is formed. In addition, a misalignment prevention core member is provided in the connection region between the formation positions of the through holes to enhance the bending rigidity of the connection region.

  According to the fourth aspect of the invention, it is possible to cover the outer shape of the head of each headrest support with the covering material so as not to be exposed to the outside. Then, by inserting a corresponding headrest stay into each through hole of the covering material, the covering material is positioned with respect to each headrest stay due to the rigidity of the misalignment prevention core material provided in the connection region between the through holes. It can be properly held in a shape that does not easily shift.

  The fifth invention has the following configuration in the above-mentioned third or fourth invention. The covering material has a gap concealing region that covers the gap between the upper surface portion of the seat back and surrounding members arranged around the upper surface portion to the outside, and the gap concealing region has bending rigidity of the gap concealing region. It is configured to have a gap-covering core material to be enhanced.

  According to the fifth aspect of the invention, the gap between the upper surface of the seat back and the surrounding members arranged around the seat back can be appropriately covered with the covering material. Specifically, due to the rigidity of the gap concealing core material provided in the gap concealing region of the covering material that covers the above-mentioned gap, even if a load is externally input to the gap concealing region, the gap concealing region can properly adjust the above gap. It can be kept coated.

  A sixth invention has the following structure in any of the above-mentioned third to fifth inventions. Another structure that is not covered by the seat cover described above is a fastening component that is provided so as to project on the upper surface portion of the seat back. The covering material has an extension region that covers the fastening component to the outside, and the extension region is provided with a protective material that enhances bending rigidity of the extension region.

  According to the sixth aspect of the invention, it is possible to appropriately cover the fastening component that is provided so as to project on the upper surface portion of the seat back with the covering material. Specifically, the rigidity of the protective material provided in the extension region of the covering material that covers the fastening component makes it more difficult to feel the foreign matter due to the hardness of the fastening component from the outside, so that the fastening component is appropriately provided in the extension region. Can be protected.

1 is a perspective view showing a schematic configuration of a vehicle seat of Example 1. FIG. It is an exploded perspective view of a seat back. It is an expansion perspective view of the upper region of a seat back. It is an expansion perspective view which removed the coating material from FIG. FIG. 4 is a plan view of FIG. 3. FIG. 6 is a sectional view taken along line VI-VI of FIG. 5. FIG. 7 is a sectional view taken along line VII-VII of FIG. 5.

  Modes for carrying out the present invention will be described below with reference to the drawings.

  First, the configuration of the seat 1 (vehicle seat) of the first embodiment will be described with reference to FIGS. 1 to 7. As shown in FIG. 1, the seat 1 of this embodiment is configured as a left seat of an automobile. The seat 1 is configured to include a seat back 2 serving as a backrest portion of a seated occupant, a seat cushion 3 serving as a seating portion, and a headrest 4 serving as a headrest portion. The seat back 2 described above is connected to the rear end portion of the seat cushion 3 via a pair of left and right recliners (not shown) so that the backrest angle can be adjusted. The headrest 4 is provided in a state of being inserted and attached to the upper surface portion of the seat back 2 from above.

  Specifically, the seat back 2 described above is configured to have a top main part 10 that forms a central portion of the front surface thereof, and a top side part 20 that forms both left and right side portions of the front surface of the seat back 2. ing. The top main part 10 described above is configured to support the back of the seated occupant from the rear side. In addition, the top plate side portion 20 has side supports 20A that swell in a mountain shape on both the left and right side portions of the top plate main portion 10, and is configured to support the back of a seated occupant diagonally from the left and right sides. .. As shown in FIG. 2, the top main part 10 and the top side part 20 described above are individually sub-assembled and are integrally assembled with each other.

  Specifically, the top plate main portion 10 described above is attached to the top plate side portion 20 described above in a state of being covered like a jacket from above. By the above-mentioned assembly, the top main part 10 has a shoulder hook portion 10A extending in a hook-like bent shape from the upper edge of the top side of the above-mentioned top side part 20 toward the rear lower side. As a state of being hooked over the back and back portion, it is set so as to be hung on the central portion of the front surface of the top plate side portion 20. After the assembling, the top plate main part 10 is integrally assembled with the top plate side part 20 by fastening bolts at various parts together with the top plate side part 20. There is. By the above-described assembly, the top plate main portion 10 is configured to expose the top surface portion of the top plate side portion 20 to the upper side from the opening portion 10B formed in the center portion of the top surface of the shoulder hanging portion 10A. .. Then, the above-described headrest 4 is inserted from above and attached to the upper surface portion of the top plate side portion 20 exposed from the opening 10B.

  Specifically, the above-mentioned top main portion 10 is assembled to the above-mentioned top side portion 20 as follows. First, a pair of left and right lateral side mounting pieces 10Aa and a rear side mounting piece 10Ab protruding from the peripheral back surface of the shoulder-hanging portion 10A facing the opening 10B of the above-described top plate main portion 10 are respectively attached to the top plate side portion 20. The pair of left and right lateral mounting seats 2Fc and the rear mounting seat 2Fd, which correspond to each other and project from the upper surface of the back frame 2F forming the internal skeleton, are set so as to be superposed from above. Next, the fastening bolts 2B are inserted from above into each of these overlapping positions to integrally fasten them. As a result, the top plate main portion 10 is assembled to the top plate side portion 20 such that the left and right side portions and the rear portion are integrally fixed.

  More specifically, the above-mentioned shoulder hanging portion 10A of the top plate main portion 10 has a shape in which the left and right shoulder openings on the top surface of the top plate side portion 20 are slanted downward toward the outside. Is formed. Then, as shown in FIG. 2, FIG. 4, and FIG. 6, the lateral mounting pieces 10Aa protruding from the left and right peripheral back surfaces facing the opening 10B of the shoulder-hanging portion 10A have shoulder portions inclined like a shoulder as shown in FIGS. Is formed in a shape having a flat plate-shaped seating surface that projects substantially vertically from the back surface (lower surface) toward the lower inward direction. Then, the corresponding lateral mounting seats 2Fc of the back frame 2F on which the pair of left and right lateral mounting pieces 10Aa are set from the upper side respectively correspond to the inclined shape of the lateral mounting pieces 10Aa described above, The back frame 2F is formed to have a substantially flat plate-like seating surface that is inclined outward and upward from the upper surface portions on both the left and right sides.

  With the above configuration, each lateral side mounting piece 10Aa is set on each corresponding lateral side mounting seat 2Fc of the above-mentioned back frame 2F, so that the bearing surfaces of the lateral side mounting seats 2Ac are brought into contact with each other. The top plate surfaces, which are set in contact with each other and have their surfaces directed obliquely upward inward, face the opening 10B formed in the central portion of the upper surface of the shoulder hanging portion 10A. Therefore, the work of inserting and fastening the fastening bolts 2B from the upper side of the opening 10B to each of these overlapped portions can be easily performed. Each of the fastening bolts 2B is in a state of being inserted and fastened to each of the above-mentioned overlapped portions at two positions in front and rear.

  In addition, as shown in FIGS. 2, 4 and 7, the rear mounting piece 10Ab protruding from the rear side rear surface portion on the rear side facing the opening 10B of the shoulder hanging portion 10A described above is located below the rear side of the shoulder hanging portion 10A. It is formed in a shape having a flat plate-like seating surface that extends substantially vertically from the back surface (front surface) on the central upper side of the portion that bends and hangs to the side toward the front side. Then, the corresponding rear mounting seat 2Fd of the back frame 2F on which the rear mounting piece 10Ab is set from the upper side corresponds to the shape of the rear mounting piece 10Ab described above from the upper central portion of the back frame 2F. It is formed in a shape having a substantially flat plate-shaped seating surface that projects substantially straight toward the rear side.

  With the above configuration, the rear mounting piece 10Ab is set on the corresponding rear mounting seat 2Fd of the above-described back frame 2F, so that the seating surfaces of the rear mounting piece 10Ab are brought into surface contact with each other on the rear mounting seat 2Fd. The top plate surface, which is set in the open state and faces upward, faces the opening 10B formed in the central portion of the upper surface of the shoulder hanging portion 10A. Therefore, it is possible to easily perform the work of inserting the fastening bolt 2C from the upper side of the opening 10B into the overlapping portion and fastening the same.

  Then, after the top plate main portion 10 is assembled to the top plate side portion 20 as described above, as shown in FIG. 4, the top plate main portion 10 is exposed from the opening 10B formed in the central portion of the top surface of the top plate main portion 10. A flexible surface covering material 30 is set on the upper surface of the top plate side portion 20 so as to cover it from above (see FIGS. 3 and 5). By the assembling of the covering material 30, the heads 2Ba and 2Ca of the fastening bolts 2B and 2C that fasten the top plate main part 10 and the top plate side part 20 assembled in the opening 10B described above are exposed to the outside, respectively. It is in a state of being covered up so as not to do so (see FIGS. 3 and 5 to 7). Here, the fastening bolts 2B and 2C (the heads 2Ba and 2Ca of the fastening bolts) described above, and the lateral mounting seats 2Fc and lateral mounting pieces 10Aa, and the rear mounting seats 2Fd and the rear mounting pieces 10Ab, which are fastened by the fastening bolts 2B and 2C, respectively. Respectively correspond to the "other structure" of the present invention. Each fastening bolt 2B, 2C is equivalent to the "fastening part" of the present invention.

  As shown in FIG. 6, the covering material 30 described above is integrally laminated with a resin plate core material 33 and a thick carpet layer 30C for increasing rigidity on the back surface of a synthetic leather skin layer 30A. It has been configured. With the above configuration, even if the user applies a force from the upper side to the places where the fastening bolts 2B on both left and right sides covered with the covering material 30 are arranged, the flexibility of the carpet layer 30C of the covering material 30 is exerted. Due to a certain rigidity, it is difficult to feel a foreign substance due to the hardness of the head portion 2Ba of each fastening bolt 2B. Further, as shown in FIG. 7, the above-described covering material 30 has the above-described core material 33 integrally laminated on the back surface in a region that covers the fastening bolt 2C arranged at the above-mentioned central rear portion from above. However, due to the rigidity of the core material 33, the core material 33 is less likely to be bent downward. With the above configuration, even if the user applies a force from the upper side to the location of the fastening bolt 2C at the central rear portion covered with the covering material 30, the covering material 30 will have a certain degree of rigidity due to the rigidity exerted by the core material 33. Although it is bent, the head 2Ca of the fastening bolt 2C is kept in a state of being hard to hit, and it is difficult to feel a foreign object due to the hardness of the head 2Ca of the fastening bolt 2C.

  Then, as shown in FIGS. 2 to 3, after the covering material 30 is assembled, with respect to the head portions 2Sa of the pair of left and right cylindrical headrest supports 2S installed on the upper surface portion of the top plate side portion 20 described above. Then, the headrest 4 is installed on the upper surface portion of the top plate side portion 20 by inserting and mounting a pair of left and right round bar-shaped headrest stays 4A hanging from the main body portion of the headrest 4 from above. At this time, the head 2Sa of each headrest support 2S is covered with the above-mentioned covering material 30 on the upper surface of the top plate side portion 20, so that the head 2Sa is covered with the outside. ing. However, the head portion 2Sa of each headrest support 2S has a pair of left and right circular hole-shaped through holes 32 formed in the covering material 30, so that the respective circular hole-shaped insertion holes 2Sb formed in the center thereof. It is exposed to the outside through the through hole 32. With the above configuration, by inserting the headrest stays 4A into the through holes 32 formed in the covering material 30 from above, the headrest stays 4A are inserted into the insertion holes 2Sb of the headrest support 2S on each side and mounted. You can do it.

  As shown in FIG. 6, of the above-described headrest supports 2S, the headrest stay 4A is inserted into the insertion hole 2Sb of the head 2Sa located on the outer side (left side) in the vehicle width direction. As a result, the locking claw 2Sc is incorporated into the locking groove 4B formed on the outer peripheral portion of the headrest stay 4A so as to be engaged by being laterally biased. Further, an operating knob 2Sd for operating the above-mentioned locking claw 2Sc to push it out in the lateral direction from the state where the locking claw 2Sc is inserted into the locking groove 4B is attached to the left side portion of the head portion 2Sa. The operation knob 2Sd is configured to be integrated with the locking claw 2Sc described above, and is pushed laterally toward the inside of the head 2Sa by the input of an operation load applied from the outside, so that the locking described above is performed. The claw 2Sc is pushed and moved in the operating direction so as to be removed from the locking groove 4B.

  With the above configuration, in each headrest support 2S, each headrest stay 4A is inserted into the corresponding insertion hole 2Sb, so that the headrest stay 4A is inserted into the locking groove 4B of the headrest stay 4A inserted into the left insertion hole 2Sb. The above-mentioned locking claws 2Sc are pushed in and engaged with each other by a biasing force, and each movement in the inserting direction and the pulling-out direction is restricted and held. Then, after the headrest 4 is mounted by being inserted, the user operates the operation knob 2Sd by pushing it in from the lateral side, so that the locking claw 2Sc is disengaged from the locking groove 4B as described above, The headrest stay 4A can be pulled out from the headrest support 2S on each side to remove the headrest 4.

  The head 2Sa of each of the headrest supports 2S described above is in a state of being hidden from the outside by the covering material 30 put on the upper surface portion of the top plate side portion 20 described above. However, in the covering material 30 described above, the area that covers the head 2Sa of the left headrest support 2S having the above-described operation knob 2Sd from above is easily pushed and bent by the user applying a pressing force from above. The operating knob 2Sd can be operated from above the covering material 30. Therefore, the above-described covering material 30 normally keeps the head 2Sa of the headrest support 2S on each side covered so as not to be exposed to the outside, and when necessary, the operation knob 2Sd from above the covering material 30. The headrest 4 can be removed from the seat back 2 by performing an operation. Here, the head 2Sa of each of the headrest supports 2S described above corresponds to the "other structure" of the present invention.

  Hereinafter, a specific configuration of each part of the seat back 2 described above will be described in detail. First, the configuration of the top plate main unit 10 will be described. As shown in FIGS. 2 and 6 to 7, the top plate main portion 10 includes a urethane foam top plate main pad 11 having a cushioning property capable of elastically receiving a load of a seated occupant, and a top plate. The main pad 11 includes a flexible top plate main cover 12 that covers the entire outer peripheral surface of the main pad 11. In the top plate main cover 12 described above, the cover piece that covers the back side surface of the top plate main pad 11 is made of a fabric material, and the cover piece that covers other side surfaces such as the front and side surfaces of the top plate main pad 11 is It is composed of synthetic leather material.

  Then, as shown in FIGS. 2 and 6, on the left and right peripheral back surfaces facing the opening 10B of the shoulder hanging portion 10A of the top plate main portion 10 described above, the above-described resin lateral side mounting pieces 10Aa are respectively mounted. It is formed by insert molding so that a part of the base side is integrally embedded in the plate main pad 11. In addition, as shown in FIGS. 2 and 7, the above-mentioned resin-made rear mounting piece 10Ab is also installed on the rear surrounding back surface facing the opening 10B of the shoulder hanging portion 10A of the above-described main board main portion 10. It is formed by insert molding so that a part of the base side is integrally embedded in the plate main pad 11.

  Next, the configuration of the top plate side portion 20 will be described. As shown in FIG. 2, the top plate side portion 20 is configured by being assembled to a back frame 2F that is assembled into a substantially inverted U-shape that constitutes the internal skeleton of the seatback 2. The back frame 2F described above is configured as a main frame that forms a main skeleton along the outer peripheral portion of the seat back 2, and is integrally formed between a pair of left and right vertically extending side frames 2Fa and upper end portions of the side frames 2Fa. And an upper frame 2Fb that is cross-linked. The above-mentioned pair of left and right headrest supports 2S are respectively inserted from above on the left and right two places of the above-mentioned upper frame 2Fb so that the head 2Sa is projected upward and is integrally attached. There is. Further, on the upper surface portion of the upper frame 2Fb, the above-mentioned pair of left and right lateral mounting seats 2Fc are provided integrally on both left and right side portions thereof so as to be outwardly raised. (See FIG. 6), the rear side mounting seat 2Fd described above is integrally provided in the central portion so as to project to the rear side (see FIG. 7).

  The top plate side portion 20 described above covers the top plate side pad 21 made of urethane foam having a cushioning property capable of elastically receiving the load of the seated occupant, and the entire outer peripheral surface of the top plate side pad 21. It is configured by a flexible planar top cover side cover 22 and a flexible planar intermediate view prevention cover 23 bridged between the side supports 20A of the top plate side portion 20. Here, the top plate side cover 22 described above corresponds to the “seat cover” of the present invention.

  The top plate side pad 21 described above is formed in a substantially inverted U-shape that conforms to the shape of the back frame 2F described above. Specifically, the top plate side pad 21 described above connects between a pair of left and right side pad portions 21A, which are put on the respective side frames 2Fa of the back frame 2F from the front side, and the upper end portions of the respective side pad portions 21A. The upper frame 2Fb is covered with the upper pad portion 21B from the front side, and is formed in a substantially inverted U shape. The top plate side pad 21 described above includes the pair of left and right side pad portions 21A and the upper pad portion 21B described above from the front side and the inner and outer peripheral sides of the side frames 2Fa and the upper frame 2Fb of the back frame 2F, respectively. It is in a state of being covered in a shape that is rolled into the rear side so that it is covered from the rear side while covering it. The top plate side portion 20 described above has a configuration in which the mountain shape of each side support 20A described above is formed by the shape of each side pad portion 21A described above.

  As shown in FIG. 2 and FIG. 6, the upper pad portion 21B of the above-mentioned top plate side pad 21 is installed in such a manner as to avoid the installation region of the pair of left and right headrest supports 2S mounted on the above-mentioned upper frame 2Fb. The upper frame 2Fb is put on the upper surface of the upper frame 2Fb so as to extend rearward through the intermediate region. As shown in FIG. 6, the above-described upper pad portion 21B is mounted on the upper frame 2Fb by inserting the above-described pair of left and right headrest supports 2S described above into the upper frame 2Fb. As a result, the head portions 2Sa of the headrest supports 2S press the respective left and right side edges from the upper side and are arranged so as to be crushed slightly downward.

  The top plate side cover 22 has a shape in which each side pad portion 21A and the upper pad portion 21B are wrapped from the outside over substantially the entire circumference of the top plate side pad 21 formed in the above-mentioned substantially inverted U shape. It is covered so that Specifically, the top plate side cover 22 described above includes a side cover piece 22A that is attached to each side pad portion 21A of the top plate side pad 21 described above, and an upper cover piece 22B that is attached to the upper pad portion 21B. The side cover piece 22A and the back cover piece 22C, which is put on the rear side of the upper cover piece 22B so as to connect the front edge-to-edge areas, are formed. Each of the side cover pieces 22A and the back-side cover pieces 22C described above is formed of a planar member made of synthetic leather. The upper cover piece 22B is made of a fabric-made planar member.

  The middle-view prevention cover 23 is made of a fabric-made planar member. The middle-view prevention cover 23 is sewn and bridged around the peripheral portions of the side cover pieces 22A and the upper cover pieces 22B described above while being stretched in the substantially U-shaped internal space of the top plate side pad 21 described above. It is provided as a closed state. Specifically, the above-mentioned inside-view prevention cover 23 is in a loosely cross-linked state between each side cover piece 22A and upper cover piece 22B described above. With the above configuration, the inside-view prevention cover 23 is provided in a state in which the tension that applies a pressing force from the rear side is not applied to the top plate main portion 10 installed in the area on the front side thereof. There is. Further, the middle-view prevention cover 23 is also in a state in which the unillustrated lumbar support mechanism installed in the rear region does not hinder the operation of applying a pressing force from the rear side to the top plate main portion 10.

  Next, the configuration of the covering material 30 will be described. As shown in FIGS. 2 and 6 to 7, the covering material 30 has a main body portion integrally formed with a cover pad layer 30B made of urethane foam having a soft feeling and a thick thickness on the back surface of a skin layer 30A made of a synthetic leather material. It is composed of planar members that are laminated and adhered together. As shown in FIGS. 2 and 6, the covering material 30 is integrally formed with a fin portion 31 having a planar shape for extending the shape in a fin shape toward both outsides at each edge portion on both left and right sides of the main body portion. Are sewn together and joined together. These fins 31 have a skin layer 30A made of the same synthetic leather material as the skin layer 30A of the main body of the covering material 30, but a carpet layer 30C thicker and more rigid than the skin layer 30A is integrally formed on the back surface. It is configured to be sewn on. Here, the above-mentioned carpet layer 30C corresponds to the "protective material" of the present invention.

  The fin portions 31 described above are sewn to the respective edge portions on the left and right sides of the main body portion of the covering material 30 described above such that the respective skin layers 30A are overlapped with each other. Further, in the above-mentioned covering material 30, a core material 33 made of a flat resin plate member is integrally sewn and joined to the surface portion of the cover pad layer 30B on the back side of the main body portion on the back side. Sewing line 33B). Further, in the main body portion of the above-described covering material 30, through holes 32 penetrating in a circular hole shape are formed at two intermediate portions on the left and right sides thereof. These through holes 32 are formed in the head 2Sa of each of the above-described headrest supports 2S exposed on the upper surface portion of the top plate side portion 20 when the above-described covering material 30 is covered. The headrest stays 4A are aligned with the positions directly above the hole-shaped insertion holes 2Sb and communicate with the insertion holes 2Sb so that the headrest stays 4A can be inserted from the upper portion of the covering material 30. These through holes 32 are formed in a size having substantially the same hole diameter as the above insertion holes 2Sb.

  Further, the core material 33 superposed on the back surface of the covering material 30 is also hollowed out in a substantially rectangular shape slightly larger than each through hole 32 at a position overlapping with the formation position of each through hole 32 described above. A through hole 33A is formed. As shown in FIG. 6, these through openings 33A are the heads of the headrest supports 2S described above that project onto the upper surface portion of the top plate side portion 20 when the covering material 30 described above is covered. The parts 2Sa are received inside thereof, and each head 2Sa can be passed to the surface layer side covered with the skin layer 30A. Of the above-described through holes 33A, the through hole 33A on the side that receives the head portion 2Sa of the left headrest support 2S described above is configured to pass through the operation knob 2Sd provided on the head portion 2Sa as well. .. With the above-described configuration, the operation performed by the user on the head 2Sa of the headrest support 2S on the left side of the covering material 30 from the state in which the covering material 30 is covered on the upper surface of the top plate side portion 20 described above. The knob 2Sd can be operated by applying a pressing force from the upper side and applying a lateral pushing force.

  As shown in FIG. 2, the above-mentioned covering material 30 extends leftward and rightward so as to hang down at the front edge portions of the main body portion and each fin portion 31, leaving the central portion of the main body portion. A hanging piece 34 is formed. These hanging pieces 34 are provided by being inserted into a gap T1 in the front-rear direction formed between the above-mentioned top plate side portion 20 and the top plate main portion 10 set in a state of being hung on the front side thereof. It is configured to be. A surface fastener 34A (hook surface) is joined to the back surface portion (rear surface portion) on the lower end side of each hanging piece 34. With the above configuration, as shown in FIG. 5, each hanging piece 34 is inserted into the above-mentioned gap T1 and then each surface fastener 34A provided on the back surface portion (rear surface portion) on the lower end side of the hanging piece 34 is lifted up. By pressing from the front side to the front surface portion of the upper cover piece 22B that covers the upper pad portion 21B of the plate side portion 20, each surface fastener 34A is entwined with the cloth of the upper cover piece 22B so that it can be attached integrally. Is becoming

  As shown in FIGS. 3 and 6, the covering material 30 described above is put on the upper surface portion of the top plate side portion 20 described above, and then the left and right fin portions 31 are respectively attached to the left and right fastening bolts described above. By pushing the head 2Ba of 2B so as to cover each exposed portion, the outer peripheral edge of each fin 31 is located on the left and right peripheral back surfaces facing the opening 10B of the shoulder rest 10A of the top main portion 10. It is rubbed and held in the same pushed-in posture. With the above structure, the covering material 30 can hold the head portions 2Ba of the left and right fastening bolts 2B in a state of being covered from above by the left and right fin portions 31 thereof. Here, each of the fin portions 31 described above corresponds to the “extended region” of the present invention.

  Further, as shown in FIGS. 5 and 7, the above-described covering material 30 is set in a state of being put on the upper surface portion of the top plate side portion 20 as described above, so that the top plate side portion thereof is set. A gap concealed region 30E that projects from the upper surface of the rear portion 20 to the rear side is the same as the top plate side portion 20 and the hanging portion of the shoulder hanging portion 10A of the top main portion 10 that is set in a state of being hung on the rear side. The gap T2 in the front-rear direction formed between the two is set so as to be covered from above. The core material 33 having higher rigidity than the above-mentioned skin layer 30A is sewn on the back side also in the gap concealing region 30E. Therefore, since the gap concealing region 30E covers the gap T2 from above as described above, the rigidity exerted by the core material 33 described above even if the user applies a force to the covering material 30 from above. As a result, the gap concealing region 30E is kept in a state in which it is not largely pushed and bent, so that it is possible to make it difficult to feel a foreign object due to the hardness of the head portion 2Ca of the rear fastening bolt 2C described above. Further, in addition to the above functions, the above-described gap concealing region 30E with increased rigidity can appropriately protect the finger from entering the above-mentioned gap T2. Here, the above-mentioned shoulder portion 10A corresponds to the "surrounding member" of the present invention.

  As shown in FIG. 5, the above-described core material 33 is provided in a state of being widely overlapped from the back side over substantially the entire area of the main body portion of the above-described covering material 30 except the hanging piece 34. With the above configuration, the covering material 30 has increased rigidity of the connection region 30D between the portions where the through holes 32 through which the headrest stays 4A are formed, and is less likely to be twisted or bent. By passing each headrest stay 4A through 32, the headrest stay 4A is appropriately held in a shape that is unlikely to be displaced. The core material 33 described above is in a state of being sewn together and integrally coupled in the connection region 30D of the above-described covering material 30 (sewing line 33B). Here, the core material 33 described above corresponds to the “positional deviation prevention core material” and the “gap concealing core material” of the present invention.

  In summary, the seat 1 of this embodiment has the following structure. That is, the vehicle seat (seat 1) includes a headrest support (headrest support 2S) that locks the headrest stay (headrest stay 4A) in the inserted state. The headrest support (headrest support 2S) has a head (head 2Sa) having an insertion hole (insertion hole 2Sb) into which a headrest stay (headrest stay 4A) is inserted, and a head (head 2Sa) around the headrest support. An operation knob (operation knob 2Sd) that is provided and unlocks the inserted state of the headrest stay (headrest stay 4A) that is inserted into the head (head 2Sa). The vehicle seat (seat 1) is further provided with a coating material (coating material 30) for coating the operation knob (operation knob 2Sd) with the outside.

  In this way, the operation knob (operation knob 2Sd) provided around the head (head 2Sa) of the headrest support (headrest support 2S) is covered with the covering material (covering material 30) to the outside. As a result, the operation knob (operation knob 2Sd) becomes invisible from the outside, and even if a load is input from the outside to the location where the operation knob (operation knob 2Sd) is arranged, it is difficult for the operation knob (operation knob 2Sd) to be applied. Therefore, it is possible to prevent an accidental erroneous operation of the operation knob (operation knob 2Sd).

  In addition, the covering material (covering material 30) is configured by a flexible planar material that allows the operating knob (operating knob 2Sd) to be operated from the outside through the covering material (covering material 30). With such a configuration, even when the operation knob (operation knob 2Sd) is covered with the covering material (covering material 30), a force can be applied from the outside of the covering material (covering material 30) when necessary. The operation knob (operation knob 2Sd) can be operated by bending the covering material (the covering material 30).

  Further, the headrest support (headrest support 2S) is provided in a state of being embedded in the upper surface of the seatback (seatback 2) with the head (head 2Sa) left. The vehicle seat (seat 1) further passes under the head (head 2Sa) of the headrest support (headrest support 2S) and covers the upper surface of the seatback (seatback 2) (top plate). It is provided with a side cover 22). The coating material (coating material 30) is formed of a member different from the seat cover (top plate side cover 22) and is not covered by the seat cover (top plate side cover 22) in addition to the operation knob (operation knob 2Sd). The structure (fastening bolts 2B, 2C, lateral side mounting seat 2Fc, rear side mounting seat 2Fd, head 2Sa of headrest support 2S, lateral side mounting piece 10Aa, rear side mounting piece 10Ab, etc.) is also covered to the outside. ing.

  Thus, other structures (fastening bolts 2B, 2C, lateral mounting seat 2Fc) that are not covered with the seat cover (top plate side cover 22) by the covering material (covering material 30) that covers the operation knob (operation knob 2Sd). , The rear mounting seat 2Fd, the head 2Sa of the headrest support 2S, the lateral mounting piece 10Aa, the rear mounting piece 10Ab, etc.) to cover other structures on the upper surface of the seat back (seat back 2) ( The outlines of the fastening bolts 2B and 2C, the lateral mounting seat 2Fc, the rear mounting seat 2Fd, the head 2Sa of the headrest support 2S, the lateral mounting piece 10Aa, the rear mounting piece 10Ab, etc. can be made difficult to come out.

  A combination of a headrest stay (headrest stay 4A) and a headrest support (headrest support 2S) into which the headrest stay (headrest stay 4A) is inserted has a left-right paired configuration. The coating material (coating material 30) covers each head (head 2Sa) of each headrest support (headrest support 2S) so as to cover the outside, and each head (head 2Sa) is covered. A through hole (through hole 32) through which each corresponding headrest stay (headrest stay 4A) can be inserted is formed, and a connecting region between formation positions of each through hole (through hole 32). The (connecting region 30D) is provided with a misalignment preventing core member (core member 33) that enhances the bending rigidity of the connecting region (connecting region 30D).

  With such a configuration, it is possible to cover the headrest (head 2Sa) of each headrest support (headrest support 2S) with the coating material (coating material 30) so as not to be exposed to the outside. Then, the corresponding headrest stay (headrest stay 4A) is inserted into each through hole (through hole 32) of the covering material (covering material 30), so that the covering material (covering material 30) is passed through these through holes (through hole 32). ) The rigidity of the misalignment preventing core material (core material 33) provided in the connecting area (connecting area 30D) between the headrest stays (headrest stays 4A) is appropriately held in a shape that does not easily cause positional displacement. You can

  Further, the covering material (the covering material 30) forms a gap (gap T2) between the upper surface portion of the seat back (seat back 2) and a peripheral member (shoulder hanging portion 10A) arranged around the upper surface portion to the outside. The gap-covering core material (core material 33) having a gap-covering area (the gap-covering area 30E) to be covered with the gap-covering area (the gap-covering area 30E) that enhances the bending rigidity of the gap-covering area (the gap-covering area 30E) is provided. It is configured to be provided.

  With such a configuration, the gap (gap) between the upper surface portion of the seat back (seat back 2) and the surrounding member (shoulder portion 10A) arranged around the seat back (seat back 2) by the coating material (coating material 30). T2) can be coated appropriately. Specifically, due to the rigidity of the gap concealing core material (core material 33) provided in the gap concealing area (gap concealing area 30E) of the covering material (covering material 30) that covers the gap (gap T2), the same gap concealing area is provided. Even if a load is input to the (gap concealing region 30E) from the outside, the gap (gap T2) can be appropriately covered by the gap concealing region (gap concealing region 30E).

  Further, another structure that is not covered by the seat cover (top plate side cover 22) described above includes fastening components (fastening bolts 2B, 2C) provided so as to project on the upper surface of the seat back (seat back 2). The covering material (coating material 30) has an extension region (fin portion 31) that covers the fastening components (fastening bolts 2B, 2C) to the outside, and the extension region (fin portion 31) extends to the extension region (fin portion 31). ) Is provided with a protective material (carpet layer 30C) that enhances the bending rigidity.

  With such a configuration, the fastening components (fastening bolts 2B, 2C) provided so as to project on the upper surface portion of the seat back (seat back 2) can be appropriately coated with the coating material (coating material 30). it can. Specifically, due to the rigidity of the protective material (carpet layer 30C) provided in the extension region (fin portion 31) of the covering material (covering material 30) that covers the above-mentioned fastening parts (fastening bolts 2B, 2C), the fastening parts (fastening parts) The fastening parts (fastening bolts 2B, 2C) can be appropriately protected by the extension regions (fins 31) so that the feeling of foreign matter due to the hardness of the bolts 2B, 2C is less likely to be felt from the outside.

  Although the embodiment of the present invention has been described with reference to one example, the present invention can be implemented in various forms other than the above example. For example, the configuration of the vehicle seat of the present invention is widely applied to seats other than the left seat of an automobile, vehicles other than automobiles such as railways, and seats used for other vehicles such as aircraft and ships. Is something that can be done.

  Further, the covering material for covering the operation knob provided around the head of the headrest support to the outside may be configured to cover at least the operation knob to the outside, and is not necessarily the head of the headrest support. It does not have to cover other members such as. In addition to the flexible material that allows the operating knob to be operated from above, the covering material is configured to be rolled up or removed when the operating knob is operated so that the operating knob can be operated externally. May be Further, the other structure that is covered with the covering material and is not covered with the seat cover may be a structure other than the fastening parts shown in the above embodiments, such as various electric components and sheet constituent parts.

  Further, the misalignment preventing core material and the gap concealing core material for increasing the bending rigidity of the covering material may be composed of one piece of core material as shown in the above embodiment, or may be provided individually. Good. These core materials may be made of members other than the resin plate, or may be made by folding the covering material itself. Similarly, the protective material may be formed of a member other than the carpet material, or may be formed by folding the covering material itself.

1 seat (vehicle seat)
2 Seat back 2F Back frame 2Fa Side frame 2Fb Upper frame 2Fc Side mounting seat (other structures)
2Fd Rear mounting seat (other structures)
2B Fastening bolts (other structures, fastening parts)
2Ba head 2C fastening bolt (other structures, fastening parts)
2Ca head 2S headrest support 2Sa head (other structures)
2Sb insertion hole 2Sc locking claw 2Sd operation knob 3 seat cushion 4 headrest 4A headrest stay 4B locking groove 10 top plate main part 10A shoulder rest part (surrounding member)
10Aa Lateral mounting piece (other structure)
10Ab Rear mounting piece (other structure)
10B Opening 11 Top Main Pad 12 Top Main Cover 20 Top Side 20A Side Support 21 Top Side Pad 21A Side Pad 21B Upper Pad 22 Top Side Cover (Seat Cover)
22A Side cover piece 22B Upper cover piece 22C Back cover piece 23 Invisible cover 30 Cover material 30A Skin layer 30B Cover pad layer 30C Carpet layer (protective material)
30D Connecting area 30E Gap hidden area 31 Fin (extension area)
32 through-hole 33 core material (misalignment prevention core material, gap concealing core material)
33A Through hole 33B Sewing line 34 Hanging piece 34A Surface fastener T1, T2 Clearance

Claims (4)

A vehicle seat equipped with a headrest support for locking the headrest stay in an inserted state,
The headrest support is
A head having an insertion hole into which the headrest stay is inserted;
An operating knob provided around the head, which unlocks the inserted state of the headrest stay inserted into the head,
The vehicle seat further comprises a seat cover that covers the upper surface of the seat back through the underside of the head of the headrest support, and a covering material that covers the operation knob to the outside,
The headrest support is provided as a state of being embedded in the upper surface portion of the seat back leaving the head.
The covering material is constituted by a member different from the seat cover, and other structures not covered by the seat cover other than the operation knob are also configured to be covered to the outside,
A combination of the headrest stay and the headrest support into which the headrest stay is inserted is a pair of left and right,
The covering material is covered so as to cover the heads of the headrest supports with respect to the outside, and through holes through which the corresponding headrest stays inserted into the heads can be inserted. And a misalignment prevention core member that enhances bending rigidity of the connection region is provided in the connection region between the formation positions of the through holes . A vehicle seat equipped with a headrest support for locking the headrest stay in an inserted state,
The headrest support is
A head having an insertion hole into which the headrest stay is inserted;
An operating knob provided around the head, which unlocks the inserted state of the headrest stay inserted into the head,
The vehicle seat further comprises a seat cover that covers the upper surface of the seat back through the underside of the head of the headrest support, and a covering material that covers the operation knob to the outside,
The headrest support is provided as a state of being embedded in the upper surface portion of the seat back leaving the head.
The covering material is constituted by a member different from the seat cover, and other structures not covered by the seat cover other than the operation knob are also configured to be covered to the outside,
The covering material has a gap concealing region for covering a gap between the upper surface portion of the seat back and a peripheral member arranged around the upper surface portion to the outside, and the gap concealing area is provided in the gap concealing area. A vehicle seat configured to include a gap concealing core material that enhances bending rigidity of a region . A vehicle seat equipped with a headrest support for locking the headrest stay in an inserted state,
The headrest support is
A head having an insertion hole into which the headrest stay is inserted;
An operating knob provided around the head, which unlocks the inserted state of the headrest stay inserted into the head,
The vehicle seat further comprises a seat cover that covers the upper surface of the seat back through the underside of the head of the headrest support, and a covering material that covers the operation knob to the outside,
The headrest support is provided as a state of being embedded in the upper surface portion of the seat back leaving the head.
The covering material is constituted by a member different from the seat cover, and other structures not covered by the seat cover other than the operation knob are also configured to be covered to the outside,
Another structure not covered by the seat cover is a fastening component provided so as to project on the upper surface of the seat back,
A vehicle seat configured such that the covering material has an extension region that covers the fastening component with respect to the outside, and a protection material that enhances bending rigidity of the extension region is provided in the extension region . The vehicle seat according to any one of claims 1 to 3,
The dressing, vehicle seat that will be configured by a planar member having a steerable flexible the operating knob from the outside through the dressing.

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