JP7029089B2 - Seat - Google Patents

Description

The present invention relates to a seat pad having a vent and a seat comprising a blower connected to the vent.

As a seat pad having a ventilation path, for example, Patent Document 1 discloses a cushion pad composed of a cushion pad main body and a slab adhesively fixed to the seat surface side of the cushion pad main body. In this technique, the slab has a two-layer structure consisting of a plate-shaped front slab layer and a plate-shaped back slab layer, and a ventilation path is provided in the air introduction hole provided in the cushion pad body and the back slab layer. It is composed of a groove-shaped air distribution passage provided and a plurality of hole-shaped air passages provided in the front slab layer. The cushion pad is obtained by adhering the back side slab layer and the front side slab layer to form a slab having a two-layer structure, and adhering and integrating this slab with the seat surface side of the cushion pad body.

Japanese Unexamined Patent Publication No. 2005-095342

By the way, in a seat pad composed of a plurality of parts, when a person sits down and deforms so that the vicinity of the central portion of the slab layer is dented, the end portion tends to separate from the cushion pad main body. At this time, in the conventional configuration, there is a possibility that the end portion of the slab layer may be peeled off from the cushion pad main body. The same can be said between the front slab layer and the back slab layer.

Therefore, an object of the present invention is to provide a seat capable of firmly integrating a seat pad composed of a plurality of parts.
Another object of the present invention is to easily determine the positions of the pad body and the cover member constituting the seat pad.
Another object of the present invention is to improve the sitting feeling.
Another object of the present invention is to accurately determine the positions of the pad body and the cover member.
Another object of the present invention is to suppress erroneous assembly of the pad body and the cover member.
Further, it is an object of the present invention to make the seat pad a simple structure.

In order to achieve the above object, the seat of the present invention includes a seat pad having a ventilation path and a blower connected to the ventilation path, and the seat pad is a pad body and a seating of the pad body. A cover member is provided which is arranged so as to be overlapped on the surface on the person side to form the ventilation path between the pad body and the pad body, and the cover member is arranged so as to be overlapped on the surface on the seater side of the pad body. The first cover member includes a first cover member and a second cover member arranged so as to overlap the surface of the first cover member on the seater side, and the first cover member is fixed to the pad body and is the first. The 2 cover member is characterized in that it is fixed to both the first cover member and the pad body.

According to such a configuration, since the pad body, the first cover member, and the second cover member are fixed to each other, the seat pad composed of a plurality of parts can be firmly integrated.

In the above-mentioned seat, the surface of the first cover member opposite to the seater side is fixed to the surface of the pad body on the seater side, and the second cover member is the seater side. The opposite surface may be fixed to both the seater-side surface of the first cover member and the seater-side surface of the pad body.

According to this, the surfaces to which the force is applied when the seated person sits on the seat are fixed to each other, so that the seat pad made of a plurality of parts can be more firmly integrated.

In the above-mentioned sheet, one of the pad body and the first cover member is provided with a first engaging convex portion having a shape protruding from the seated side, and the pad body and the first cover member are provided. On the other side, a first engaging recess having a shape that is recessed when viewed from the seater side may be provided so that the first engaging convex portion fits.

According to this, when the cover member is arranged on the pad main body, the positions of the pad main body and the cover member can be easily determined by engaging the first engaging convex portion with the first engaging concave portion.

In the above-mentioned seat, the first engaging convex portion is provided on the pad body, and the surface of the second cover member opposite to the seater side is seated on the first engaging convex portion. It can be configured to be fixed to the surface on the person side.

According to this, the boundary portion between the first engaging convex portion and the first engaging concave portion, which is a break in the seat pad composed of a plurality of parts, can be covered by the second cover member, so that the seating feeling is improved. be able to.

In the above-mentioned sheet, the first engaging convex portion includes a first convex portion and a second convex portion provided side by side at intervals in a predetermined direction, and the first engaging concave portion is the first engaging concave portion. The configuration may include a first concave portion into which the one convex portion fits and a second concave portion into which the second convex portion fits.

According to this, the positions of the pad body and the cover member can be accurately determined.

In the above-mentioned sheet, the first recess and the second recess may have different shapes from each other.

According to this, for example, when the first cover member is placed on the pad body and the orientation or front / back of the first cover member is incorrect, the first engaging convex portion and the first engaging concave portion are correctly engaged. Since they do not match, it is possible to suppress erroneous assembly of the pad body and the cover member.

In the above-mentioned seat, the seat pad has a central portion and left and right side portions provided on both left and right sides of the central portion and projecting toward the seater side from the central portion, and the first engaging protrusion is provided. The portion and the first engaging recess may be configured to be provided inside the side portion in the left-right direction.

According to this, since the first engaging convex portion and the first engaging concave portion are provided in the central portion flatter than the side portion, for example, the first engaging convex portion and the first engaging concave portion are on the side. The seat pad can be made simpler than the structure provided on the inclined surface of the portion.

In the above-mentioned seat, the seat pad has left and right hanging grooves for hanging the skin material, and the first engaging convex portion and the first engaging concave portion are formed from the hanging groove in the left-right direction. Can also be configured to be provided inside.

In the above-mentioned seat, the seat pad is a pad material for a seat cushion, and one of the pad main body and the second cover member is provided with a second engaging convex portion at a front end portion, and the pad main body. The other of the second cover member may be provided with a second engaging recess into which the second engaging convex portion is fitted.

According to this, when the cover member is placed on the pad body in an overlapping manner, the positions of the pad body and the cover member can be easily determined by engaging the second engaging convex portion with the second engaging concave portion. can. Further, when the first engaging convex portion and the first engaging concave portion are provided, the positions of the pad body and the cover member can be accurately determined by further providing the second engaging convex portion and the second engaging concave portion. You can decide well.

In the above-mentioned sheet, the second engaging convex portion and the second engaging concave portion may have a configuration in which at least one of a shape, a size, an arrangement position, and a number is different according to the specifications of the sheet. can.

According to this, for example, when the second cover member of a sheet having different specifications is to be arranged on the pad body, the second engaging convex portion and the second engaging concave portion do not properly engage with each other. It is possible to suppress erroneous assembly of different pad bodies and cover members.

According to the present invention, a seat pad composed of a plurality of parts can be firmly integrated.

Further, according to the present invention, the surface of the first cover member opposite to the seated side is fixed to the surface of the pad body on the seated side, and the surface of the second cover member opposite to the seated side is fixed. By fixing the first cover member to the surface of the pad body on the seated side, the seat pad composed of a plurality of parts can be more firmly integrated.

Further, according to the present invention, by providing the first engaging convex portion on one of the pad main body and the first cover member and providing the first engaging concave portion on the other, the positions of the pad main body and the cover member can be easily determined. be able to.

Further, according to the present invention, the first engaging convex portion is provided on the pad body, and the surface of the second cover member opposite to the seated side is fixed to the surface of the first engaging convex portion on the seated side. As a result, the seating feeling can be improved.

Further, according to the present invention, the first engaging convex portion includes the first convex portion and the second convex portion, and the first engaging concave portion includes the first concave portion and the second concave portion, whereby the pad body and the cover member are included. The position of can be determined accurately.

Further, according to the present invention, by making the shapes of the first recess and the second recess different, it is possible to suppress erroneous assembly of the pad body and the cover member.

Further, according to the present invention, the seat pad can be easily configured by providing the first engaging convex portion and the first engaging concave portion inside the side portion in the left-right direction.

Further, according to the present invention, the position of the pad body and the cover member is determined by providing the second engaging convex portion on one of the pad body and the second cover member of the seat cushion and providing the second engaging concave portion on the other side. It can be easily decided.

Further, according to the present invention, by making the shapes of the second engaging convex portion and the second engaging concave portion different according to the specifications of the sheet, it is possible to suppress erroneous assembly of the pad body and the cover member having different specifications. Can be done.

It is a perspective view of the vehicle seat as the seat which concerns on embodiment. It is sectional drawing of the seat cushion seen from the left. It is sectional drawing of the seat cushion seen from the front. It is a perspective view of the pad body for a driver's seat, the 1st cover member, and the 2nd cover member. It is a top view of the front side part of a pad body and the 1st cover member. It is a top view of the front side part of a pad body, the 1st cover member, and the 2nd cover member. It is a perspective view of a pad body for a passenger seat, a 1st cover member, a 2nd cover member, and a seating sensor. It is the perspective view (a) of the 1st cover member, the pad main body for a driver's seat, the pad main body for a passenger seat, and the plan view (b) of a 1st cover member which concerns on a modification. It is a perspective view (a) of the 1st cover member which concerns on another modification, and is the enlarged sectional view (b) of the vicinity of the 2nd groove portion of a seat cushion seen from the front.

Hereinafter, an embodiment of the invention will be described with reference to the accompanying drawings. In this specification, front / rear, left / right, and up / down are referred to as front / back, left / right, and up / down as seen from a person sitting on the seat (seated person).
As shown in FIG. 1, the seat of the present embodiment is configured as a vehicle seat S mounted on an automobile, and includes a seat cushion S1, a seat back S2, and a headrest S3.

As shown in FIG. 2, the seat cushion S1 includes a seat cushion frame 10 constituting the skeleton of the seat cushion S1, a seat cushion pad 20 as a seat pad, and a skin material 30, and the seat cushion frame 10 The seat cushion pad 20 and the skin material 30 are put on the seat cushion pad 20.

The seat cushion pad 20 has a ventilation passage 21. The ventilation passage 21 includes a first ventilation passage 21A, a second ventilation passage 21B, and a plurality of third ventilation passages 21C. The first ventilation passage 21A extends downward from the second ventilation passage 21B (the side opposite to the seated side) so as to communicate the second ventilation passage 21B with the space under the seat cushion pad 20. It is provided in. Further, the third ventilation passage 21C is provided so as to extend from the second ventilation passage 21B toward the upper side (seat side) and communicate the second ventilation passage 21B with the space above the seat cushion pad 20. There is.

The vehicle seat S further includes a blower 40 and a duct 50, and as shown by an arrow in FIG. 2, the air blown from the blower 40 passes through the duct 50 and the air passage 21 and is a seat. It is configured to be blown out from the upper surface of the cushion pad 20 toward the seated person. The skin material 30 may be made of a material having air permeability, or may have a hole for passing air at a position corresponding to the third air passage 21C. ..

The seat cushion frame 10 includes left and right side frames (not shown) arranged apart from each other on the left and right, and a pan frame 12 connecting the left and right side frames. The pan frame 12 is a plate-shaped frame formed by sheet metal processing of a metal plate, and is arranged at the front portion of the seat cushion S1.

The blower 40 is, for example, a sirocco fan, which includes a housing 41, an impeller 42, and a motor (not shown) for rotating the impeller 42. The housing 41 has a housing main body 44 in which an impeller 42 and a motor are housed, and a cylindrical blowout portion 45 extending rearward from the housing main body 44. A suction port 40A for sucking air is formed on the upper surface of the housing body 44, and an outlet 40B for blowing air is formed at the rear end of the blowout portion 45. The blower 40 is attached to the pan frame 12 via the bracket 60. Further, the blower device 40 is connected to a ventilation path 21 formed in the seat cushion pad 20 via a duct 50 or the like.

The duct 50 is a tubular member and has a first pipe portion 51 extending in the front-rear direction and a second pipe portion 52 bent from the rear end of the first pipe portion 51 and extending upward. Further, the second tube portion 52 has a bellows portion 53 that is flexible and expandable. In the duct 50, the front end portion of the first pipe portion 51 is connected to the blowout portion 45 of the blower device 40, and the upper end portion of the second pipe portion 52 is connected to the seat cushion pad 20 via the tubular connecting member 70. ..

As shown in FIG. 3, the seat cushion pad 20 has a central portion 20C and left and right side portions 20L and 20R provided on both left and right sides of the central portion 20C and projecting above the central portion 20C. .. Further, the seat cushion pad 20 has a pair of left and right hanging grooves 27 extending in the front-rear direction for hanging the skin material 30 at the boundary between the central portion 20C and the left and right side portions 20L and 20R. As an example, in the seat cushion pad 20, a suspension wire 28 for suspending the skin material 30 in the suspension groove 27 is embedded by insert molding. The suspension wire 28 is partially exposed from a plurality of holes formed in the bottom of the suspension groove 27. The skin material 30 is fastened to the seat cushion pad 20 by engaging the hook member 31 with the exposed portion of the suspension wire 28.

As shown in FIG. 4, the seat cushion pad 20 includes a pad main body 100 and a cover member 200 arranged so as to be overlapped on the upper surface (the surface on the seater side) of the pad main body 100. The pad body 100 and the cover member 200 can be formed of, for example, urethane foam. The pad body 100 and the cover member 200 may be made of the same material or may be made of different materials.

The pad main body 100 has a main body central portion 110 constituting the central portion 20C (see FIG. 3) together with the cover member 200, and side portions 20L and 20R are integrally formed on both left and right sides of the main body central portion 110. The main body central portion 110 has a first main body portion 111, a second main body portion 112 on the rear side of the first main body portion 111, and a third main body portion 113 on the front side of the first main body portion 111.

The upper surface of the first main body 111 is lower than the bottom of the second main body 112 and the hanging groove 27. As a result, of the upper surface of the pad main body 100, the front side portion of the central portion in the left-right direction has a shape of being recessed with respect to the side portions 20L, 20R and the second main body portion 112, and the cover mounting recess 120 having the front side open is provided. It is formed. The cover member 200 is arranged in the cover mounting recess 120. Further, the first main body portion 111 is provided with a first vent hole 131 penetrating vertically. The first ventilation hole 131 is a hole forming the first ventilation passage 21A, and is provided at the rear portion of the first main body portion 111. Specifically, as shown in FIG. 5, the first ventilation hole 131 is provided at a position shifted to the right side of the center C in the left-right direction of the seat cushion pad 20.

The first engaging convex portions 140 are provided substantially symmetrically on the left and right inner side surfaces 121 and 121 of the cover mounting recess 120 formed in the pad body 100. The first engaging convex portion 140 is a convex portion having a shape protruding inward in the left-right direction when viewed from above, and includes the first convex portion 141 and the second convex portion 142. The first convex portion 141 and the second convex portion 142 are provided side by side at intervals in a predetermined direction, specifically, in the front-rear direction. Specifically, the first convex portion 141 is provided on the front portion of the inner side surface 121, and the second convex portion 142 is provided on the rear portion of the inner side surface 121. Further, the first convex portion 141 has a substantially trapezoidal shape when viewed from above, and the second convex portion 142 has a substantially semicircular shape when viewed from above. The lower ends of the convex portions 141 and 142 are all connected to the first main body portion 111. That is, the convex portions 141 and 142 are provided so as to project left and right inward from the corner formed by the inner side surface 121 and the bottom surface (upper surface of the first main body portion 111) of the cover mounting recess 120.

As shown in FIG. 4, the third main body portion 113 is provided so as to project from the front end of the first main body portion 111 toward the front side. The upper surface of the third main body 113 is lower than the upper surface of the first main body 111, and forms a step with the upper surface of the first main body 111. Further, the pad main body 100 is provided with a second engaging convex portion 151 on a third main body portion 113 which is a front end portion thereof. The second engaging convex portion 151 is a convex portion that protrudes upward from the left and right center of the upper surface of the third main body portion 113, and has a substantially trapezoidal shape in which the distance between the left and right sides becomes narrower toward the upper side when viewed from the front side. It is formed. The rear end of the second engaging convex portion 151 is connected to the first main body portion 111. That is, the second engaging convex portion 151 is provided so as to project from a corner formed by the upper surface of the third main body portion 113 and the front surface of the first main body portion 111.

The cover member 200 is a member that is arranged so as to be overlapped on the upper surface of the pad body 100 to form a ventilation path 21 (second ventilation path 21B) with the pad body 100. The cover member 200 includes a first cover member 210 arranged so as to be overlapped on the upper surface of the pad body 100, and a second cover member 220 arranged so as to be overlapped on the upper surface (the surface on the seater side) of the first cover member 210. I have. The first cover member 210 and the second cover member 220 may be made of the same material or may be made of different materials.

The first cover member 210 is a plate-shaped member, and is provided with a ventilation groove 230 penetrating vertically. The ventilation groove 230 is a groove forming the second ventilation path 21B, and includes a first groove portion 231, a second groove portion 232, and a third groove portion 233. As shown in FIG. 5, the first groove portion 231 is formed in a substantially U shape when viewed from above, and the second groove portion 232 is the center C of the seat cushion pad 20 and is located at the center of the left and right of the first groove portion 231. It extends rearward from the rear end. Further, the third groove portion 233 extends from the rear end of the second groove portion 232 toward the right, and is provided so as to overlap with the first ventilation hole 131 formed in the pad body 100 when viewed from above. ..

Further, the first engaging recesses 240 are provided on the left and right side surfaces 211 and 211 of the first cover member 210 substantially symmetrically. The first engaging recess 240 is a recess into which the first engaging convex portion 140 formed in the pad body 100 fits. Specifically, the first engaging recess 240 is a recess having a shape that is recessed toward the left and right inward when viewed from above, and includes the first recess 241 and the second recess 242. The first concave portion 241 is a concave portion into which the first convex portion 141 of the first engaging convex portions 140 fits, and is provided on the front portion of the side surface 211. Further, the second concave portion 242 is a concave portion into which the second convex portion 142 of the first engaging convex portion 140 fits, and is provided at the rear portion of the side surface 211. The first concave portion 241 into which the first convex portion 141 fits has a substantially trapezoidal shape when viewed from above, and the second concave portion 242 into which the second convex portion 142 fits has a substantially semicircular shape when viewed from above. .. Therefore, the first recess 241 and the second recess 242 have different shapes from each other.

The first engaging convex portion 140 and the first engaging concave portion 240 are provided inside the side portions 20L and 20R in the left-right direction in a state where the first cover member 210 is arranged so as to overlap the upper surface of the pad body 100. ing. Further, the first engaging convex portion 140 and the first engaging concave portion 240 are provided inside the hanging groove 27 in the left-right direction.

The lower surface (the surface opposite to the seated side) of the first cover member 210 is fixed to the upper surface of the pad body 100. Specifically, the lower surface of the first cover member 210 is fixed to the bottom surface of the cover mounting recess 120 by an adhesive 300 shown with hatching. On the other hand, in the present embodiment, the left and right and front and rear side surfaces of the first cover member 210 are not fixed to the pad body 100 or the like. In other words, no adhesive is applied to the left, right, front and back sides of the first cover member 210.

In this embodiment, the thickness of the first cover member 210 in the direction in which the pad body 100 and the cover member 200 overlap is the amount (height) of the first engaging convex portion 140 protruding from the bottom surface of the cover mounting recess 120. ) Is almost equal. That is, in the present embodiment, the vertical length of the first engaging concave portion 240 is substantially equal to the height of the first engaging convex portion 140. Further, in the present embodiment, the upper surface of the first engaging convex portion 140 and the upper surface of the first cover member 210 are in a state where the first engaging concave portion 240 and the first engaging convex portion 140 are engaged with each other. , It is designed to be almost flush.

As shown in FIG. 4, the second cover member 220 is a plate-shaped member and has a first portion 221 and a second portion 222 that bends downward and extends from the front end of the first portion 221. .. In the present embodiment, the left and right sizes of the first cover member 210 and the second cover member 220 are substantially the same.
The first portion 221 is provided with a plurality of second ventilation holes 260 penetrating vertically. The second ventilation hole 260 is a hole forming the third ventilation passage 21C, and is provided at a position overlapping with the first groove portion 231 of the ventilation groove 230 formed in the first cover member 210 when viewed from above (the second ventilation hole 260). See FIG. 6).

Further, the second portion 222 is provided with a second engaging recess 251 at the lower end portion thereof. The second engaging recess 251 is a recess into which the second engaging convex portion 151 formed in the pad body 100 fits. Specifically, the second engaging recess 251 is a recess recessed upward from the left-right center of the lower surface of the second portion 222, and is formed in a substantially trapezoidal shape when viewed from the front side.

As shown in FIG. 6, the lower surface (the surface opposite to the seater side) of the second cover member 220 is fixed to both the upper surface of the first cover member 210 and the upper surface of the pad body 100. Specifically, most of the lower surface of the second cover member 220 is fixed to the upper surface of the first cover member 210 by the adhesive 300 shown with hatching. Further, in the second cover member 220, a portion of the lower surface located on the upper side of the first engaging convex portion 140 formed on the pad body 100 is formed on the upper surface of the first engaging convex portion 140 by the adhesive 300. It is stuck. As a result, the second cover member 220 is fixed to both the first cover member 210 and the pad body 100. On the other hand, in the present embodiment, the left and right and rear side surfaces of the second cover member 220 are not fixed to the pad body 100. In other words, no adhesive is applied to the left, right, rear side surfaces of the second cover member 220. The lower surface of the front end portion (second portion 222) of the second cover member 220 and the upper surface of the front end portion (third main body portion 113) of the pad body 100 may or may not be fixed. You may.

When assembling the seat cushion pad 20 configured in this way, as shown in FIG. 4, first, an adhesive is applied to the upper surface of the pad body 100, specifically, the bottom surface of the cover mounting recess 120. Then, while engaging the first engaging recess 240 with the first engaging convex portion 140, the first cover member 210 is arranged in the cover mounting recess 120, and the lower surface of the first cover member 210 is placed on the upper surface of the pad body 100. It is fixed by the adhesive. Next, the adhesive is applied to the upper surface of the first cover member 210 and the upper surface of the first engaging convex portion 140 formed on the pad body 100. Then, the second cover member 220 is arranged so as to be overlapped on the first cover member 210, and the lower surface of the second cover member 220 is fixed to the upper surface of the first cover member 210 and the first engaging convex portion 140 by an adhesive. do. As a result, the seat cushion pad 20 can be assembled.

The assembly of the seat cushion pad 20 is not limited to the above method. For example, by first fixing the first cover member 210 and the second cover member 220 with an adhesive or the like to form the cover member 200, and then fixing the formed cover member 200 to the pad body 100 with an adhesive or the like. , The seat cushion pad 20 may be assembled.

In the above, the vehicle seat S used in the driver's seat has been described. Next, the configuration of the vehicle seat S used in the passenger seat, specifically, the configuration of the pad body 100 and the cover member 200 will be described. In the following, the same configurations as those described above will be designated by the same reference numerals, and the description thereof will be omitted as appropriate, and the differences from the configurations described above will be described in detail.

As shown in FIG. 7, the passenger seat pad body 100 is provided with a first vent hole 132 penetrating vertically at the rear portion of the first body portion 111. The first ventilation hole 132 is a hole forming the first ventilation passage 21A, and is opposite to the first ventilation hole 131 (see FIG. 4) of the pad body 100 for the driver's seat, from the center C of the seat cushion pad 20. Is also provided at a position shifted to the left. Further, the first cover member 210 for the passenger seat is provided with a ventilation groove 230. The ventilation groove 230 includes a first groove portion 231, a second groove portion 232, and a fourth groove portion 234. The fourth groove portion 234 extends from the rear end of the second groove portion 232 toward the left and is provided so as to overlap with the first ventilation hole 132 of the pad body 100 when viewed from above (FIG. 8 (b). ) Also).

The vehicle seat S for the passenger seat is provided with a seating sensor 400 for detecting that the seated person is seated on the vehicle seat S between the seat cushion pad 20 and the skin material (not shown). The seating sensor 400 includes a first seating sensor 410 arranged on the front side and a second seating sensor 420 arranged on the rear side.

On the upper surface of the second cover member 220, a concave first sensor arranging portion 270 for arranging the first seating sensor 410 is provided. Further, the seat cushion pad 20 is provided with a first harness insertion hole 29 for pulling out the wire harness 411 connected to the first seating sensor 410 to the lower side of the seat cushion pad 20. The first harness insertion hole 29 includes a first insertion hole 29A provided at the rear portion of the first main body portion 111 of the pad main body 100, a second insertion hole 29B provided at the rear portion of the first cover member 210, and a second. It is formed by a third insertion hole 29C provided at the rear of the first portion 221 of the cover member 220. The insertion holes 29A to 29C are holes that penetrate vertically, respectively, and are provided so as to overlap each other when viewed from above. Specifically, the insertion holes 29A to 29C (first harness insertion holes 29) are provided at positions shifted to the right of the center C of the seat cushion pad 20. Further, the first insertion hole 29A is provided so as to be aligned with the first ventilation hole 132 on the left and right, and the second insertion hole 29B is provided so as to be aligned with the fourth groove portion 234 on the left and right.

Further, the second main body portion 112 of the pad main body 100 is provided with a concave second sensor arranging portion 170 for arranging the second seating sensor 420 on the upper surface thereof, and is provided on the rear side of the second sensor arranging portion 170. A second harness insertion hole 190 penetrating vertically is provided. The second harness insertion hole 190 is a hole for pulling out to the lower side of the seat cushion pad 20 through the wire harness 421 connected to the second seating sensor 420.

A second engaging convex portion 152 is provided on the third main body portion 113 of the pad main body 100. The second engaging convex portion 152 is a convex portion protruding upward from the left and right center of the upper surface of the third main body portion 113, and is a second engaging convex portion 151 of the pad main body 100 for the driver's seat (see FIG. 4). ), It is formed in a substantially trapezoidal shape in which the distance between the left and right sides becomes narrower toward the top when viewed from the front side. On the other hand, the size (left and right length) of the second engaging convex portion 152 is smaller than that of the second engaging convex portion 151. Therefore, the second engaging convex portion 151 provided on the driver's seat pad body 100 shown in FIG. 4 and the second engaging convex portion 152 provided on the passenger seat pad main body 100 shown in FIG. The size of the seat S differs depending on the specifications of the vehicle seat S, specifically, the location of the vehicle seat S in the vehicle.

Further, the second portion 222 of the second cover member 220 is provided with a second engaging recess 252 in which the second engaging convex portion 152 is fitted at the lower end portion thereof. The second engaging recess 252 is formed in a substantially trapezoidal shape when viewed from the front side, similarly to the second engaging recess 251 (see FIG. 4) of the pad body 100 for the driver's seat. On the other hand, the size (left and right length) of the second engaging recess 252 is smaller than that of the second engaging recess 251 so that the second engaging convex portion 152 fits. Therefore, the sizes of the second engaging recess 251 and the second engaging recess 252 also differ depending on the specifications of the vehicle seat S.

According to the present embodiment described above, the first cover member 210 is fixed to the pad body 100, and the second cover member 220 is fixed to both the first cover member 210 and the pad body 100, whereby the pad body is fixed. Since the 100, the first cover member 210 and the second cover member 220 are fixed to each other, the seat cushion pad 20 composed of a plurality of parts can be firmly integrated. Specifically, since the second cover member 220 is fixed to both the first cover member 210 and the pad body 100, the unity of the seat cushion pad 20 is increased. Further, since the first cover member 210 is fixed to both the pad body 100 and the second cover member 220, the unity of the seat cushion pad 20 is also increased by this. Further, since the pad body 100 is fixed to both the first cover member 210 and the second cover member 220, the unity of the seat cushion pad 20 is also increased by this.

Further, since the lower surface of the first cover member 210 is fixed to the upper surface of the pad body 100 and the lower surface of the second cover member 220 is fixed to both the upper surface of the first cover member 210 and the upper surface of the pad body 100, the vehicle. Since the upper and lower surfaces to which a force is applied when the seated person sits on the seat S are fixed to each other, the seat cushion pad 20 made of a plurality of parts can be more firmly integrated. Further, since the second cover member 220 is mounted on both the upper surface of the first cover member 210 and the upper surface of the pad body 100, the second cover member 220 can be supported by the pad body 100. As a result, it is possible to prevent the first cover member 210 from being crushed more than necessary and, for example, the ventilation passage 21 (second ventilation passage 21B) being narrowed.

Further, since the pad main body 100 is provided with the first engaging convex portion 140 and the first cover member 210 is provided with the first engaging concave portion 240, when the cover member 200 is arranged on the pad main body 100, the first engaging concave portion 240 is provided. By engaging the 1 engaging convex portion 140 with the first engaging concave portion 240, the positions of the pad body 100 and the cover member 200 can be easily determined.

Further, since the lower surface of the second cover member 220 is fixed to the upper surface of the first engaging convex portion 140 provided on the pad body 100, the first engagement that serves as a break in the seat cushion pad 20 composed of a plurality of parts. The boundary between the convex portion 140 and the first engaging concave portion 240 can be covered by the second cover member 220. As a result, it becomes difficult for the seated person sitting on the vehicle seat S to feel the cut formed by the boundary portion between the first engaging convex portion 140 and the first engaging concave portion 240, so that the seating feeling of the vehicle seat S is felt. Can be improved.

Further, since the first engaging convex portion 140 is a plurality including the first convex portion 141 and the second convex portion 142, and the first engaging concave portion 240 is a plurality including the first concave portion 241 and the second concave portion 242, these are used. By engaging, the positions of the pad body 100 and the cover member 200 can be accurately determined.

Further, the first convex portion 141 and the second convex portion 142, and the first concave portion 241 and the second concave portion 242 have different shapes, so that, for example, the first cover member 210 is arranged on the pad body 100. If the front-back orientation or front / back (up / down) of the first cover member 210 is incorrect, the first engaging convex portion 140 and the first engaging concave portion 240 will not engage correctly, so that the pad body 100 and the cover Misassembly of the member 200 can be suppressed.

Further, since the first engaging convex portion 140 and the first engaging concave portion 240 are provided on the left and right inner sides of the side portions 20L and 20R, the first engaging convex portion 140 and the first engaging concave portion 240 are side portions. Since it is provided in the central portion 20C which is flatter than the 20L and 20R, for example, as compared with the configuration in which the first engaging convex portion and the first engaging concave portion are provided on the inclined surface of the side portions 20L and 20R. The seat cushion pad 20 can have a simple configuration.

Further, since the pad body 100 is provided with the second engaging protrusions 151 and 152 and the second cover member 220 is provided with the second engaging recesses 251,252, the cover member 200 is overlapped with the pad body 100. By engaging the second engaging protrusions 151 and 152 with the second engaging recesses 251,252 when arranging, the positions of the pad body 100 and the cover member 200 can be easily determined. Further, in the present embodiment, since the pad body 100 is provided with the first engaging convex portion 140 and the first cover member 210 is provided with the first engaging concave portion 240, the second engaging convex portions 151 and 152 are provided. By further providing the second engaging recesses 251,252, the positions of the pad body 100 and the cover member 200 can be determined more accurately.

Further, since the second engaging protrusions 151 and 152 and the second engaging recesses 251,252 are different in size between the vehicle seat S for the driver's seat and the vehicle seat S for the passenger seat. For example, when the second cover member 220 for the passenger seat is to be arranged on the pad body 100 for the driver's seat, the second engaging convex portion 151 and the second engaging concave portion 252 do not engage correctly. It is possible to suppress erroneous assembly of the pad body 100 and the cover member 200 having different specifications.

Although one embodiment of the invention has been described above, the present invention is not limited to the above embodiment. The specific configuration can be appropriately changed as described below without departing from the spirit of the invention.

For example, in the above embodiment, the first cover member 210 for the driver's seat shown in FIG. 4 and the first cover member 210 for the passenger seat shown in FIG. 7 are provided as separate parts, but the present invention is not limited thereto. .. As shown in FIGS. 8A and 8B, the first cover member 210 may be provided as a common component in the driver's seat and the passenger seat. The common first cover member 210 is provided with a ventilation groove 230. The ventilation groove 230 includes a first groove portion 231, a second groove portion 232, a third groove portion 233, and a fourth groove portion 234, and the groove portions 232 to 234 form a T-shaped groove when viewed from above. There is. When the common first cover member 210 is arranged and used in the pad body 100B for the passenger seat, the third groove portion 233 is used so that air does not leak from the first insertion hole 29A or the like through the third groove portion 233. For example, a seal member 500 made of the same material as the first cover member 210 is fitted into at least a part of the third cover member 210 to close the third groove portion 233. At this time, the positions of the third groove portion 233 corresponding to the first insertion hole 29A and the third insertion hole 29C (see FIG. 7) are not blocked. As a result, a hole for passing the wire harness 411 can be formed by a part of the third groove portion 233 that penetrates up and down, the first insertion hole 29A, and the third insertion hole 29C. Further, when the common first cover member 210 is arranged and used in the pad body 100A for the driver's seat, the fourth groove portion 234 is closed with a seal member in order to prevent air from flowing into the fourth groove portion 234. But it doesn't matter.

Further, as shown in FIG. 9, the first cover member 210 may be provided with a plurality of grooves 280 around the ventilation groove 230 (ventilation path 21). In the form of FIG. 9, as an example, a plurality of grooves 280 are provided on the upper surface of the first cover member 210 around the second groove portion 232 forming the ventilation groove 230. Specifically, the groove 280 is a bottomed groove (recess) extending in the front-rear direction, and two grooves 280 are provided side by side on the left and right sides of the second groove portion 232. The groove 280 can have, for example, a width (left and right length) of 15 mm and a depth of 5 mm. By providing such a groove 280 on the upper surface of the first cover member 210, it becomes difficult for the seated person sitting on the vehicle seat S to feel the step formed by the ventilation groove 230, so that the seating feeling of the vehicle seat S is felt. Can be improved. The number of grooves on one of the left and right sides of the second groove portion is not limited to two, and may be one or three or more. Further, the number of grooves on the right side and the number of grooves on the left side of the second groove portion may be different from each other.

Further, in the above embodiment, the shapes of the first recess 241 and the second recess 242 constituting the first engaging recess 240 are different from each other, but the shape is not limited to this. For example, the first recess and the second recess may have the same shape.

Further, in the above embodiment, the first engaging convex portion 140 is provided in the pad main body 100, and the first engaging concave portion 240 is provided in the first cover member 210, but the present invention is not limited to this, and for example, the first one. 1 The engaging convex portion may be provided on the first cover member, and the first engaging concave portion may be provided on the pad body. Further, in the above embodiment, the second engaging convex portion 151 is provided in the pad main body 100, and the second engaging concave portion 251 is provided in the second cover member 220, but the present invention is not limited to this, and for example, the first 2 The engaging convex portion may be provided on the second cover member, and the second engaging concave portion may be provided on the pad body. The number of engaging protrusions and engaging recesses is arbitrary.

Further, in the above embodiment, the first engaging convex portion (only the convex portion) is provided on one of the pad main body and the first cover member, and the first engaging concave portion (only the concave portion) into which the first engaging convex portion fits on the other. ) Was provided, but the configuration is not limited to this. For example, one of the pad body and the first cover member is provided with both a convex portion and a concave portion, and the other is provided with both a concave portion that fits into one convex portion and a convex portion that fits into one concave portion. May be. The number of convex portions and concave portions is arbitrary. Further, the seat pad may be configured not to have a first engaging convex portion and a first engaging concave portion.

In the above embodiment, the sizes of the second engaging protrusions 151 and 152 and the second engaging recesses 251,252 differ between the driver's seat and the passenger seat according to the specifications of the vehicle seat S. However, it is not limited to this. For example, the second engaging convex portion and the second engaging concave portion may have different shapes, different arrangement positions, or different numbers depending on the specifications of the vehicle seat. May be good. Further, two or more of the shape, size, arrangement position and number may be different. Further, in the above-described embodiment, the second engaging convex portion and the second engaging concave portion are provided in both the driver's seat and the passenger seat, but the present invention is not limited thereto. For example, only one of the driver's seat and the passenger seat is provided with the second engaging convex portion and the second engaging concave portion, and the other of the driver's seat and the passenger seat is not provided with the second engaging convex portion and the second engaging concave portion. It may be configured. This also makes it possible to suppress erroneous assembly of the pad body and the cover member having different specifications. Further, the seat pad may be configured not to have a second engaging convex portion and a second engaging concave portion.

Further, in the above embodiment, the lower surface of the second cover member 220 is fixed to the upper surface of the first engaging convex portion 140 formed on the pad body 100, but the present invention is not limited to this, and for example, the pad body. The first cover member is provided with the first engaging recess, and the first cover member is provided with the first engaging convex portion. The lower surface of the second cover member is the upper surface of the portion forming the first engaging recess of the pad body. It may be fixed to. Further, in the above embodiment, the lower surface of the second cover member 220 is fixed to both the upper surface of the first cover member 210 and the upper surface of the pad body 100, but the present invention is not limited to this, and for example, the second cover. The lower surface of the member may be fixed to the first cover member, and the side surface connecting the lower surface and the upper surface may be fixed to the pad body. Further, both the lower surface and the side surface of the second cover member may be fixed to the pad body. Further, in the above embodiment, only the lower surface of the first cover member 210 is fixed to the pad body 100, but the present invention is not limited to this, and for example, only the side surface may be fixed to the pad body, or the pad. Both the bottom surface and the side surface may be fixed to the main body.

Further, in the above embodiment, the pad body 100, the first cover member 210, and the second cover member 220 are fixed by the adhesive 300 (adhesive), but the present invention is not limited to this, and the pad body 100, the first cover member 210, and the second cover member 220 are fixed by, for example, welding. You may. Further, for example, the first cover member and the second cover member may be fixed by welding, and the cover member (first cover member and second cover member) and the pad body may be fixed by adhesion.

Further, in the above embodiment, the sirocco fan is exemplified as the blower device 40, but the present invention is not limited to this, and for example, a propeller fan or a turbo fan may be used. Further, in the above embodiment, the vehicle seat S is configured to blow out air by the operation of the blower device 40, but is not limited to this, and is configured to suck in air by the operation of the blower device, for example. You may. Further, the blower device may be capable of switching between blowing and suction, for example, by switching the rotation direction of the blades.

Further, in the above embodiment, the seat pad is the seat cushion pad 20, that is, the pad material of the seat cushion S1, but the present invention is not limited thereto. For example, the seat pad may be a pad material for a seat back. In this case, the first cover member is arranged so as to be overlapped on the front surface (the surface on the seater side) of the pad body, and the second cover member is arranged so as to be overlapped on the front surface (the surface on the seater side) of the first cover member. The Rukoto.

Further, in the above-described embodiment, the vehicle seat S mounted on an automobile is exemplified as a seat, but the present invention is not limited to this, and the vehicle seat mounted on a vehicle other than an automobile, for example, a railroad vehicle, a ship, an aircraft, or the like. May be. Further, the seat is not limited to a seat for vehicles, and may be a seat used at home, for example.

Further, each element described in the above-described embodiment and modification may be arbitrarily combined and carried out.

20 Seat cushion pad 20C Central part 20L, 20R Side part 21 Ventilation channel 27 Suspension groove 30 Cover material 40 Blower 100 Pad body 113 3rd body part 140 1st engagement convex part 141 1st convex part 142 2nd convex part 151, 152 2nd engaging protrusion 200 Cover member 210 1st cover member 220 2nd cover member 240 1st engaging recess 241 1st recess 242 2nd recess 251,252 2nd engaging recess S Vehicle seat S1 seat cushion

Claims (10)

A seat pad having an air passage and a blower connected to the air passage are provided.
The seat pad includes a pad body and a cover member that is arranged so as to be overlapped with the seated surface of the pad body and forms the air passage between the pad body and the pad body.
The cover member includes a first cover member arranged so as to overlap the surface of the pad body on the seater side, and a second cover member arranged so as to overlap the surface of the first cover member on the seater side. Prepare,
One of the pad body and the first cover member is provided with a first engaging convex portion having a shape protruding from the seated side.
The other side of the pad body and the first cover member is provided with a first engaging concave portion having a concave shape when viewed from the seater side into which the first engaging convex portion fits.
The first cover member is fixed to the pad body and is fixed to the pad body.
The second cover member is fixed to both the first cover member and the pad body.
The second cover member is arranged so as to cover the connecting portion between the first engaging convex portion and the first engaging concave portion, and is fixed to the first cover member and the pad body across the connecting portion. And
The first cover member has a ventilation groove penetrating from the seated side toward the side opposite to the seated side.
The seat is characterized in that the ventilation groove is arranged at a position overlapping the first engaging convex portion in a direction from the seated side to the side opposite to the seated side and a predetermined direction orthogonal to the left-right direction. .. The pad body has a first vent that penetrates from the seated side toward the side opposite to the seated side.
The sheet according to claim 1, wherein the first vent is arranged at a position overlapping the first engaging convex portion in the predetermined direction. The first engaging convex portion includes a first convex portion and a second convex portion provided side by side at intervals in the predetermined direction.
The sheet according to claim 2, wherein the first engaging concave portion includes a first concave portion into which the first convex portion is fitted and a second concave portion into which the second convex portion is fitted. The sheet according to claim 3, wherein the first vent is arranged at a position overlapping the second convex portion in the predetermined direction. The second cover member has a plurality of second vents penetrating from the seated side toward the side opposite to the seated side.
The sheet according to claim 3 or 4, wherein the second vent is arranged at a position overlapping the first convex portion in the predetermined direction. The sheet according to claim 5, wherein the ventilation groove includes a portion overlapping the first ventilation hole and a portion overlapping the second ventilation hole when viewed from the seated side. The portion overlapping the second ventilation hole is a first portion extending to the left and right when viewed from the seated side, and a second left and right extending in a direction different from the direction in which the first portion extends from the left and right ends of the first portion. It is formed in a substantially U shape with a part,
The plurality of second vents are viewed from the seated side.
A group of a plurality of holes arranged on the left and right at a position overlapping with the second part on the left, and a group of vent holes arranged side by side in the direction in which the second part on the left extends.
A group of a plurality of holes arranged on the left and right at a position overlapping with the second part on the right, and a group of vent holes arranged side by side in the direction in which the second part on the right extends.
The sheet according to claim 6, wherein the sheet is characterized by having. The seat pad has left and right hanging grooves for hanging the skin material.
The first aspect of the invention according to claim 1, wherein the first engaging convex portion and the first engaging concave portion are provided inside the suspension groove in the left-right direction. Sheet. A duct is further provided, and the air blown from the blower is configured to be blown toward the seater from the seater-side surface of the seat pad through the duct and the ventilation path. The sheet according to any one of claims 1 to 8, wherein the sheet is characterized by. It is provided with a skin material that covers the seat pad.
Any of claims 1 to 9, wherein the skin material is formed of a breathable material, or has holes for passing air blown from the seat pad. The sheet described in item 1.

Images