JP2007125103A - Vehicle seat pad, and seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle seat pad which performs heating or cooling by making air circulate through the vehicle seat pad. <P>SOLUTION: The cushion pad of this vehicle seat pad 10 consists of a pad body 20, and an inserter 30 which is fitted in a recess section 24 of the pad body 20. Grooves 31 to 33 are provided on the upper surface of the insertion body 30. Air circulates through a ventilation passage 34, the grooves 31 to 33, and a ventilation passage 35. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle seat pad and a seat. One aspect of the present invention relates to a vehicle seat pad including a pad body provided with a recess recessed upward from a bottom surface, and an insertion body inserted into the recess. Another aspect of the present invention relates to a vehicle seat pad in which a recess is provided below a seat surface and a slab is fitted in the recess.

In JP-A-11-34710 and JP-A-2005-59646, a recess is provided upward from the bottom surface of the pad main body, and a slab is inserted into the recess, and a sensor is provided on the upper surface of the slab. A seat with a seating sensor installed is described. Japanese Utility Model Publication Nos. 5-10700 and 9-505499 describe a vehicle seat pad in which a groove communicating with the bottom surface of the pad is provided in the pad and the upper part of the pad is made of a breathable material.
JP 11-34710 A JP 2005-59646 A Reality 5-10700 Special table hei 9-505499

  In the case of a vehicle seat pad in which the pad is composed of two bodies, a pad main body and an insertion body or a slab, and a ventilation groove is provided between the two so that air is blown out from the seat surface, the seat surface It is necessary to provide an air blowing hole or to make the seat surface of a breathable material.

  The present invention provides a vehicle seat pad configured not to blow air from a seating surface but to allow air conditioning air to pass through and exhaust from the side surface or bottom surface, and a seat including the seat pad. For the purpose.

  The vehicle seat pad according to claim 1 is a vehicle seat pad comprising: a pad main body provided with a recess recessed upward in the bottom surface portion; and an insertion body inserted into the recess. , A ventilation groove provided on at least one of the upper surface of the insertion body and the ceiling surface of the recess, and an inflow that communicates the groove and the side surface or the bottom surface of the pad main body so as to allow air to flow into the groove. And an outflow air passage that communicates the groove with a side surface or a bottom surface of the pad main body so as to allow air to flow out of the groove.

  The vehicle seat pad according to claim 2 is characterized in that, in claim 1, at least one of the inflow air passage and the outflow air passage is a hole penetrating the insertion member.

  According to a third aspect of the present invention, there is provided the vehicle seat pad according to the first aspect, wherein at least one of the inflow air passage and the outflow air passage is a vertical groove provided on a side surface of the insertion member. Is.

  According to a fourth aspect of the present invention, there is provided a vehicle seat pad comprising: a pad main body provided with a recess recessed downward in the seat surface portion; and a slab fitted into the recess. A ventilation groove provided on at least one of the bottom surface of the recess and the lower surface of the slab, and an inflow air passage communicating the groove with the side surface or the bottom surface of the pad main body so as to allow air to flow into the groove. And an outflow air passage that communicates the groove with a side surface or a bottom surface of the pad main body so as to allow air to flow out of the groove.

  According to a fifth aspect of the present invention, there is provided the vehicle seat pad according to the fourth aspect, wherein the inflow air passage and the outflow air passage are holes penetrating the pad main body.

  A vehicle seat pad according to a sixth aspect is the vehicle seat pad according to any one of the first to fifth aspects, wherein the inflow air passage and the outflow air passage are communicated with each other by a plurality of grooves provided in parallel. It is a feature.

  According to a seventh aspect of the present invention, there is provided the vehicle seat pad according to any one of the first to fifth aspects, wherein one inflow air passage and a plurality of outflow air passages are provided. is there.

  According to an eighth aspect of the present invention, the vehicular seat pad according to the seventh aspect is characterized in that the outflow air passage is provided at a terminal portion in the extending direction of the groove.

  The vehicle seat pad according to claim 9 is the vehicle seat pad according to any one of claims 1 to 8, wherein each air passage is provided so as to communicate the groove with a bottom surface of the vehicle seat pad. Is.

A vehicle seat pad according to a tenth aspect is the vehicle seat pad according to any one of the first to ninth aspects, wherein the air permeability of the pad main body is 50 ml / cm ² · S or more.

  The vehicle seat pad according to claim 11 is characterized in that, in any one of claims 1 to 10, the thickness of the pad main body is set to 5 to 15 mm.

  A vehicle seat according to a twelfth aspect is characterized by being molded by adhering a skin to the vehicle seat pad according to any one of the first to eleventh aspects.

  In this invention, air is distribute | circulated to a groove | channel through the ventilation path provided except the seat surface. If this air is cold, cooling is performed, and if it is warm, heating is performed.

  In the present invention, since the seat surface is not air permeable and the blow hole is not provided in the seat surface, the configuration of the seat surface is simplified. In addition, the uncomfortable feeling at the time of sitting due to the hole is also eliminated.

  In the vehicle seat pad of one aspect of the present invention, the insertion body is inserted into the recess in the bottom surface of the pad body, and a groove is provided in at least one of the top surface of the loading body and the ceiling surface of the recess. It has been. This groove communicates with the outside of the vehicle seat pad via the inflow air passage and the outflow air passage.

  In the vehicle seat pad according to another aspect of the present invention, a recess is provided on the upper surface of the pad main body, a slab is fitted into the recess, and a groove is provided in at least one of the bottom surface of the recess and the lower surface of the slab. Yes. This groove communicates with the outside of the vehicle seat pad via the inflow air passage and the outflow air passage.

  Air can be supplied to a wide range of the vehicle seat pad by providing the grooves in parallel or providing a plurality of outflow passages.

  The air passage may be a through hole or a longitudinal groove provided on a side surface of the insertion body.

  The air passage may be communicated with either the side surface or the bottom surface of the vehicle seat pad, but is preferably communicated with the bottom surface.

  Hereinafter, embodiments will be described with reference to the drawings.

  FIG. 1 is a plan view of a vehicle seat pad according to an embodiment, and FIGS. 2 and 3 are sectional views taken along lines II-II and III-III in FIG. FIG. 4 is a perspective view of the insertion body, and FIG. 5 is a perspective view of the insertion body showing the flow of air in the groove.

  The cushion pad of the vehicle seat pad 10 includes a pad main body 20 and an insertion body 30 fitted in the recess 24 of the pad main body 20, and the vehicle seat is mounted by attaching an epidermis to the cushion pad. A pad 10 is configured.

  The pad main body 20 includes a bottom part 21, a thigh part 22, a side part 23, and a bottom recess 24.

  The recess 24 is recessed upward from the bottom surface of the pad body 20 below the bottom part 21. In this embodiment, the planar view shape of the recess 24 and the insertion body 30 is a square, but is not limited thereto.

  On the upper surface of the pad main body 20, a longitudinal groove 25 and a lateral width groove 26 (shown in FIG. 3; not shown in FIG. 1 for the sake of clarity) are crossed to form H. It is provided to take shape.

  In the case where a soft urethane having a thickness of 5 mm or more or a similar material is used as a cover material on a vehicle seat pad that places importance on cushioning or a seat pad, the pad body 20 is made of a low-density material and is inserted. It is preferable to use a high performance material as a constituent material of the filler 30.

In this case, the constituent material of the seat pad body 20 is preferably a polyurethane foam having a core density of 25 to 50 kg / m ³ and a 25% hardness of 15 to 25 kgf / φ200, and the insert 30 has a core density of 45 to 70 kg / m ³ , A polyurethane foam having a 25% hardness of 16 to 30 kgf / φ200 is desirable.

On the other hand, in the case of a seat pad that requires a soft feeling on the surface or a seat pad that aims to improve the initial seating feeling, the constituent material of the pad body 20 includes a core density of 40 to 70 kg / m ³ , 25% hardness of 8 A polyurethane foam having a core density of 25 to 55 kg / m ³ and a 25% hardness of 16 to 30 kgf / φ200 is preferable.

  In this vehicle seat pad, the length of the recess 24 and the insertion body 30 in the front-rear direction is 150 to 500 mm, particularly 200 to 400 mm, and the depth of the recess 24 is the seat pad 20 in the bottom part 21. The thickness is preferably 30 to 90%, particularly 60 to 80%.

  In this embodiment, the ceiling surface of the recess 24 of the pad main body 20 is flat.

  On the upper surface of the insert 30, there are three substantially parallel front and rear grooves 31 extending in the front-rear direction, lateral grooves 32 extending left and right from the foremost part of the front-rear groove 31, and front-rear grooves 34. A lateral groove 33 extending left and right from the rearmost part is provided.

  The upper end of the inflow air passage 34 opens in the middle of the horizontal groove 33 in the longitudinal direction, and the upper end of the outflow air passage 35 opens in the middle of the lateral groove 32 in the longitudinal direction. The air passages 34 and 35 penetrate the insertion body 30 in the vertical direction, and the lower ends of the air passages 34 and 35 open to the bottom surface of the vehicle seat pad 10. Thus, in this embodiment, the inflow air passage 34 and the outflow air passage 35 are communicated with each other by the plurality of grooves 31 arranged in parallel. Although only one outflow passage 35 is provided, a plurality of outflow passages 35 may be provided.

  In this embodiment, when hot air or cold air is supplied into the inflow air passage 34 from an air conditioner (not shown) or the like, the hot air or cold air flows out from the air passage 35 through the grooves 31 to 33, The seat pad 10 can be warmed or cooled, and the occupant seated on the seat pad 10 can be heated or cooled.

  In this embodiment, it is not necessary to make the seat surface of the pad main body 20 breathable or form an air outflow hole, and the configuration is simple. Also, the seating feeling is good.

  The inflow air passage may be the front side of the seat pad, and the outflow air passage may be the rear side.

  Another embodiment will be described with reference to FIGS. 6 (a) is a perspective view of the insertion body, and FIG. 6 (b) is a cross-sectional view of the vehicle seat pad using the insertion body along the line BB in FIG. 6 (a). FIG. 6 (c) is a perspective view showing the air flow in the groove of the insert.

  In this embodiment, an inflow air passage 34 is vertically provided in the center of the insertion body 30A. A front-rear groove 36a extends in the front-rear direction from the air passage 34 and a lateral groove 36c extends in the lateral direction. A lateral groove 36b extends laterally from the front end of the front-rear groove 36a, and a lateral groove 36d extends laterally from the rear end of the front-rear groove 36a. Outflow air passages 35 penetrating in the vertical direction are provided at both ends of each of the lateral grooves 36b, 36c, 36d. The vehicle seat pad 10A has the same configuration as the vehicle seat pad 10 except that the insertion body 30A is used.

  Also in this embodiment, air flows from the ventilation path 34 to the ventilation path 35 through the grooves 36a to 36d, and cooling or heating is performed.

  FIG. 7 (a) is a perspective view showing a vehicle seat pad insert according to another embodiment, and FIG. 7 (b) is a sectional view of the vehicle seat pad. FIG. ) Shows a cross section along the line BB. FIG. 7 (c) is a perspective view showing the flow of air in the groove of the insertion body.

  In this embodiment, an inflow air passage 34 is provided through the center of the insertion body 10B in the vertical direction. On the upper surface of the insertion body 10B, a front-rear direction groove 37a extends from the air passage 34, and each front-rear direction groove 37a communicates with the outflow air passage 38a via two front-rear direction grooves 37b. Each air passage 38a is formed of a vertical groove extending vertically on the front and back sides of the insertion body 10b.

  Further, on the upper surface of the insertion body 10b, a lateral groove 37c extends in the left-right direction from the ventilation path 34, and the lateral groove 37c communicates with an outflow ventilation path 38b formed by a longitudinal groove on the side surface of the insertion body 10B.

  Air from the air passage 34 flows out of the air passages 38a and 38b through the grooves 37a to 37c.

  In the present invention, a recess 39 may be provided in a portion of the ceiling surface of the recess 24 that faces the groove, as in the vehicle seat pad 10A 'of FIG. Thereby, the thickness of a seat part becomes small and the heat transfer to a seat surface improves. The thickness of the pad body is preferably 5 to 15 mm, particularly about 10 mm. The depth of the recess is preferably about 5 mm. The shape of the recess 39 is a cone in the figure, but is not limited to this.

  In the present invention, as shown in FIG. 9, the air from the vehicle seat pad 10 may be passed through the air flow passage 51 of the seat back 50 through the duct 52. Thereby, the structure of ventilation becomes simpler.

If the air permeability of the pad main body is 50 ml / cm ² · s or more, particularly 60 ml / cm ² · s or more, air conditioning is performed more efficiently. The air permeability test method is in accordance with JIS K6400-7.

  FIG. 10A is an exploded perspective view of a vehicle seat pad according to a different embodiment, and FIG. 10B is a longitudinal sectional view of the vehicle seat pad in the front-rear direction (B in FIG. 10C). FIG. 10C is a cross-sectional view taken along the line CC of FIG. 10B.

  This vehicle seat pad 10 'is provided with a recess 24' in the seating surface of the pad main body 20 ', and a slab 40 fitted into the recess 24' from above.

  In this vehicle seat pad 10 </ b> A, a front-rear groove 41 and lateral grooves 42, 43, 44 communicating with the front-rear groove 41 are provided on the bottom surface of the recess 24 ′. The front-rear direction groove 41 and the bottom surface of the pad main body 20 ′ are communicated with each other by an inflow air passage 45 including a vertical through hole. Both ends of each lateral groove 42, 43, 44 and the seat surface of the pad main body 20 ′ are communicated with each other by an outflow air passage 46 including a vertical through hole.

  Also in this embodiment, the air flows out from the outflow air passage 46 through the grooves 41 to 44 from the inflow air passage 45.

  Each of the above embodiments is an example of the present invention, and the present invention may be configured other than illustrated. For example, a groove may be provided on the ceiling surface of the recess 24 or the lower surface of the slab 40.

It is a top view of the vehicular seat pad concerning an embodiment. It is sectional drawing which follows the II-II line of FIG. It is sectional drawing which follows the III-III line | wire of FIG. It is a perspective view of an insertion body. It is a perspective view which shows the air flow in the groove | channel of the insertion body. It is a block diagram of the insertion body which concerns on another embodiment, and the vehicle seat pad using this insertion body. It is a block diagram of the insertion body which concerns on another embodiment, and the vehicle seat pad using this insertion body. It is sectional drawing which shows another embodiment. It is a lineblock diagram of a vehicular seat pad and a seat back. It is a block diagram of the vehicle seat pad which concerns on another embodiment.

Explanation of symbols

10, 10A, 10A ', 10B, 10' Vehicle seat pad 20, 20A, 20 'Pad body 24, 24A, 24' Recess 30, 30A Insert body 32, 33, 36b, 36c, 36d Lateral groove 31, 36a 37a, 37b Front-rear groove 34 Inflow air passage 35, 38a, 38b Outflow air passage 40 Slab 50 Seat back

Claims (12)

A pad body provided with a recess recessed upward in the bottom surface,
In a vehicle seat pad comprising an insertion body inserted into the recess,
A ventilation groove provided on at least one of the upper surface of the insert and the ceiling surface of the recess;
An inflow passage for communicating the groove with the side surface or the bottom surface of the pad body so as to allow air to flow into the groove;
An outflow air passage that communicates the groove and the side surface or bottom surface of the pad body so that air flows out of the groove;
A vehicle seat pad comprising:   The vehicle seat pad according to claim 1, wherein at least one of the inflow air passage and the outflow air passage is a hole penetrating the insertion member.   2. The vehicle seat pad according to claim 1, wherein at least one of the inflow air passage and the outflow air passage is a longitudinal groove provided on a side surface of the insertion member. A pad body provided with a recess recessed downwardly in the seat surface part;
In a vehicle seat pad comprising a slab fitted in the recess,
A ventilation groove provided on at least one of the bottom surface of the recess and the lower surface of the slab;
An inflow passage for communicating the groove with the side surface or the bottom surface of the pad body so as to allow air to flow into the groove;
An outflow air passage that communicates the groove and the side surface or bottom surface of the pad body so that air flows out of the groove;
A vehicle seat pad comprising:   5. The vehicle seat pad according to claim 4, wherein the inflow air passage and the outflow air passage are holes penetrating the pad main body.   The vehicle seat pad according to any one of claims 1 to 5, wherein the inflow air passage and the outflow air passage are communicated with each other by a plurality of grooves provided side by side.   6. The vehicle seat pad according to claim 1, wherein one inflow air passage and a plurality of outflow air passages are provided.   8. The vehicle seat pad according to claim 7, wherein the outflow air passage is provided at an end portion in the extending direction of the groove.   9. The vehicle seat pad according to claim 1, wherein each air passage is provided so as to communicate the groove with a bottom surface of the vehicle seat pad. The vehicle seat pad according to any one of claims 1 to 9, wherein the air permeability of the pad body is 50 ml / cm ² · s or more.   The vehicle seat pad according to any one of claims 1 to 10, wherein a thickness of the pad main body is set to 5 to 15 mm.   A vehicular seat characterized by being formed by adhering a skin to the vehicular seat pad according to any one of claims 1 to 11.

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