JP2007097948A - Vehicle seat pad - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle seat pad which is composed so that air introduced in grooves in the seat pad is uniformly supplied to air holes communicating with a seat surface only through the grooves. <P>SOLUTION: The seat pad 10 has a cushion pad consisting of a pad body 20 and a filler 30 fitted to a recess 24 of the pad body 20. The upper surface of the filler 30 is provided with grooves 31-34. A through-hole 35 communicates with the seat surface of the filler 30 through the grooves 31-34 and the air holes 27. A triangular protruded portion 28 of the recess 24 is tightly fitted to a longitudinal groove 34. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle seat pad. 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 seating surface, and an insertion body 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 body, and an insert is inserted into the recess. A seat with a seating sensor in which a sensor is installed on the upper surface portion 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.

In recent years, as an alternative to using a breathable material for the upper surface of the pad, it has been proposed to provide a hole so that the groove communicates with the seating surface.
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 a pad body and an insertion body or an insertion body, and a ventilation groove is provided between them, air is supplied from the communicating portion into the groove. When this is done, there is a risk that the air pressure from the communicating portion to the groove and each hole will not be efficiently performed due to the air pressure pushing up the seat surface portion and the insertion body of the pad main body.

  An object of the present invention is to provide a vehicle seat pad configured such that air introduced into a groove in a vehicle seat pad is efficiently supplied to each hole through the groove.

  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 the upper surface of the insertion body, a hole communicating the groove and the seating surface of the pad body, and a communication portion communicating the groove and the outside of the vehicle seat pad. And a convex portion protruding toward the communication portion is provided on the ceiling surface of the recess.

  The vehicle seat pad according to claim 2 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 the ceiling surface of the recess, a hole communicating the groove and the seating surface of the pad body, and a communication portion communicating the groove and the outside of the vehicle seat pad. And a convex portion that protrudes toward the communicating portion is provided on the ceiling surface in the groove.

  The vehicle seat pad according to claim 3 is a vehicle seat pad comprising: a pad body provided with a recess recessed downward in the seat surface portion; and an insertion body fitted into the recess. A ventilation groove provided on the bottom surface of the recess, a hole communicating the groove and the seating surface of the pad main body, a communication portion communicating the groove and the outside of the vehicle seat pad, And a convex portion protruding toward the communicating portion is provided on the bottom surface of the insertion body.

  The vehicle seat pad according to claim 4 is a vehicle seat pad comprising: a pad body provided with a recess recessed downward in the seat surface portion; and an insertion body fitted in the recess. A ventilation groove provided on the bottom surface of the insertion member, a hole communicating the groove and the seating surface of the pad body, and a communication portion communicating the groove and the outside of the vehicle seat pad. , And a projecting portion protruding toward the communicating portion is provided on the ceiling surface in the groove.

  The vehicle seat pad according to claim 5 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 loaded in the recess. A ventilation groove provided on the ceiling surface of the recess or the surface of the insertion body, or both, a hole communicating the groove and the seating surface of the pad main body, the groove and the vehicle seat A connecting portion that communicates with the outside of the pad, and has a connecting portion that connects both sides of the groove of the insertion member, and the connecting portion is installed so as to cover a part or all of the upper portion of the connecting portion. It is characterized by being.

  The vehicle seat pad according to claim 6 is a vehicle seat pad comprising: a pad body provided with a recess recessed downward in the bottom surface portion; and an insertion body fitted into the recess. A ventilation groove provided on the ceiling surface of the recess or the back surface of the insertion body, or both, a hole communicating the groove and the seat surface of the pad main body, the groove and the vehicle A connecting portion that communicates with the outside of the seat pad, and has a connecting portion that connects both sides of the groove of the main body, and the connecting portion is installed so as to cover a part or all of the upper portion of the connecting portion. It is characterized by being.

  A vehicle seat pad according to a seventh aspect of the present invention is the vehicle seat pad according to the fifth or sixth aspect, wherein the connecting portion has a sharp shape downward.

  The vehicle seat pad according to claim 8 is the vehicle seat pad according to any one of claims 1 to 4, wherein the communication portion is disposed in a middle portion of the extending direction of the groove, and the extending direction of the vehicle seat pad is more extended than the middle portion. The holes are provided on either side.

  A vehicle seat pad according to a ninth aspect is the vehicle seat pad according to any one of the first to fourth and eighth aspects, wherein the communication portion is provided so as to communicate the groove with a bottom surface of the vehicle seat pad. It is a feature.

  A vehicle seat pad according to a tenth aspect is the vehicle seat pad according to any one of the first to fourth, eighth, and ninth aspects, wherein the convex portions are in close contact with both side surfaces of the groove.

  The vehicle seat pad according to an eleventh aspect is the vehicle seat pad according to any one of the first to fourth aspects and the eighth to tenth aspects, wherein the air holes are arranged on both left and right sides of the bottom of the bottom.

  A vehicle seat pad according to a twelfth aspect of the present invention is the vehicle seat pad according to any one of the first to fourth and eighth to eleventh aspects, wherein the convex portion has a shape that is pointed downward. is there.

  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 on one of the ceiling surface of the recess and the upper surface of the loading body. ing. The groove communicates with the outside of the vehicle seat pad through the communication portion, and the groove communicates with the seat surface by a hole. Since the convex portion protrudes toward the communication portion, the air from the communication portion strikes the convex portion and smoothly diverts and flows into the groove.

  In another aspect of the present invention, a recess is provided on the upper surface of the pad body, an insertion body is fitted into the recess, and a groove is provided on the bottom surface of the recess or the bottom surface of the insertion body. Has a projecting portion so as to face the communicating portion. By providing this convex part, the air from the communication part flows smoothly in the groove.

  As described above, in any aspect, the air introduced into the groove from the communication portion smoothly flows and flows into the groove, so that the air from the communication portion is inserted into the seat surface portion and the insertion body of the pad main body. The push-up force applied is reduced and the lift is prevented. Thereby, air is uniformly supplied to the entire region in the groove and each hole.

  The present invention is particularly suitable when the communicating portion is disposed in the middle of the groove extending direction, and a plurality of the holes are provided on either side of the middle portion.

  By providing a plurality of the holes, air can be supplied to a wide range of the seating surface.

  The groove is preferably communicated with the bottom surface of the seat pad. In this case, when hot air or cold air is supplied from the air conditioner or the like to the groove through the communication portion, the hot air or cold air flows upward from the seat surface through the air holes, and the occupant can be heated or cooled. it can.

  In order to make this heating or cooling comfortable, it is preferable to provide holes on the left and right sides of the bottom of the bottom.

  By sticking the convex portions to both side surfaces of the groove, the seat surface portion of the pad main body and the floating of the insertion body are more effectively prevented.

  By making the convex part pointed downward, the flow of air flowing into the groove from the communicating part becomes smoother.

  Of course, the vehicle seat pad of the present invention may have both the first and second configurations.

  It is also natural that the vehicle seat pad of the present invention may have both the third and fourth configurations.

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

  1 is a plan view of a vehicle seat pad according to an embodiment, and FIGS. 2, 3 and 4 are cross sections taken along lines II-II, III-III and IV-IV of FIG. FIG. FIG. 5 is a perspective view of the insertion body, and FIG. 6 is a perspective view of the ceiling surface of the recess.

  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 a hole 27 is formed so as to penetrate the pad main body 20. Is provided. A vehicle seat pad 10 is configured by attaching an epidermis to the cushion pad.

  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 front and rear concave line 25 and a horizontal width concave line 26 are provided so as to exhibit an H shape when they intersect.

  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 body 20 is flat except for the convex portion 28. The holes 27 are provided on the left and right sides of the bottom of the pad body 20. In this embodiment, a plurality of holes 27 are provided on each of the left and right sides of the bottom of the bottom, but may be provided one by one.

  The seat is a cushion pad with an epidermis. This skin is made of a breathable material such as a woven fabric.

  On the ceiling surface of the recess 24, a convex portion 28 that protrudes from above into a through hole 35 described later is projected.

  On the upper surface of the insert 30, a front-rear groove 34 extending in the front-rear direction at the center of the pad, a first horizontal groove 31 extending left and right from the frontmost part of the front-rear groove 34, and the first horizontal groove A second lateral groove 32 extending left and right from the front-rear direction groove 34 slightly behind the front end 31 and a third lateral groove 33 extending leftward and rightward from the rearmost part of the front-rear direction groove 34 are provided.

  The ends in the extending direction of the lateral grooves 31, 32, 33 communicate with the air holes 27.

  A through-hole 35 is provided in the central portion of the insertion body 30 as a communication portion that vertically penetrates from the front-rear direction groove 34 between the second horizontal groove 32 and the third horizontal groove 33 to the bottom surface of the insertion body 30. It has been. In this embodiment, only one through hole 35 is provided, but a plurality of through holes 35 may be provided.

  The insertion body 30 is mounted in the recess 24 so that the flange portion 36 protruding from the peripheral edge portion of the upper surface engages with the fitting female mold portion 24a on the peripheral edge of the ceiling surface of the recess 24.

  In a state where the insertion body 30 is mounted in the recess 24, the convex portion 28 enters the upper portion of the through hole 35. The front surface side and the rear surface side of the convex portion 28 are inclined surfaces that obliquely intersect the ceiling surface of the recess 24. There is a sufficient gap between each inclined surface of the convex portion 28 and the front edge and the rear edge of the upper edge portion of the through-hole 35, and the air from the through-hole 35 is separated into two hands and is moved forward and backward. It is sufficiently supplied to both the direction groove 34 and the rear side front-rear direction groove 34.

  The left and right side surfaces of the convex portion 28 are perpendicular to the ceiling surface of the recess 24. The thickness (left-right width) in the direction connecting both side surfaces of the convex portion 28 is slightly larger (for example, about 5 to 10%) than the left-right width of the front-rear groove 34, and the convex portion 28 is tight to the front-rear groove 34. It fits.

  In this embodiment, the through hole 35 and the hole 27 communicate with each other through the grooves 31 to 34. Accordingly, when warm air or cold air is supplied into the through-hole 35 from an air conditioner (not shown) or the like, the warm air or cold air flows upward from the air holes 27, and the passenger can be heated or cooled.

  In this embodiment, as described above, the air from the through hole 35 is smoothly separated into two hands by the triangular convex portion 28, so the air pressure blown from the through hole 35 pushes up the ceiling surface of the recess 24 of the pad body 20. The power is weak.

  Further, the convex portion 28 is tightly fitted in the front / rear direction groove 34, so that the convex portion 28 does not come out of the front / rear direction groove 34.

  For this reason, even if the air blowing pressure from the through hole 35 acts upward on the ceiling surface of the recess 24, the ceiling surface remains in close contact with the upper surface of the insertion body 30. As a result, the air flow from the through hole 35 flows into the horizontal grooves 31 to 33 only through the front-rear direction groove 34 and is supplied to all the holes 27 uniformly, and a sufficient amount of air is supplied from each hole 27. leak.

  Another embodiment will be described with reference to FIGS. 7 (a) to 9 (a) are cross-sectional views of the same portion as FIG. 2, and FIG. 9 (b) is a cross-sectional view of the same portion as FIG. BB line cross section is shown. Each (c) figure is a BB cross-sectional view of each (b) figure.

  The vehicle seat pad 10A of FIG. 7 is provided with grooves 31 to 34 on the ceiling surface of the recess 24 of the pad main body 20A, and the upper surface of the insertion body 30A is entirely flat. A triangular convex portion 28 protrudes downward from a portion facing the through hole 35 in the groove 34. The lower end of the convex portion 28 is inserted into the through hole 35. The convex portion 28 is tightly fitted into the through hole 35 so that the left and right side surfaces of the convex portion 28 are pressed against the left and right inner surfaces of the through hole 35.

  A sufficient ventilation gap is provided between the front and rear slopes of the convex portion 28 and the front edge and the rear edge of the upper edge of the through hole 35. Therefore, the air in the through hole 35 is divided into two hands and smoothly flows into the groove 34 and flows in.

  Also in FIG. 7, even if the air blowing pressure from the through hole 35 acts upward on the ceiling surface of the recess 24, the ceiling surface remains in close contact with the upper surface of the insert 30. As a result, the air flow from the through hole 35 flows into the horizontal grooves 31 to 33 only through the front-rear direction groove 34 and is supplied to all the holes 27 uniformly, and a sufficient amount of air is supplied from each hole 27. leak.

  The vehicle seat pads 10B and 10C in FIGS. 8 and 9 are provided with a recess 24A in the seating surface of the pad main bodies 20B and 20C, and the insertion body 40 is fitted into the recess 24A. Each insertion hole 40 is provided with each hole 27.

  In the vehicle seat pad 10B of FIG. 8, grooves 31 to 34 are provided on the bottom surface of the recess 24A in the same pattern as that of the embodiment of FIGS. The pad body 20B is provided with a through-hole 35 that communicates the front-rear groove 34 and the bottom surface of the pad body 20B.

  The bottom surface of the insert 40 is flat except for the convex portion 28. The convex portion 28 is disposed in the upper portion of the through hole 35. A sufficient air gap is provided between the slopes before and after the convex portion 28 and the front edge side and the rear edge side of the upper edge of the through hole 35. The left and right side surfaces of the through hole 35 are in close contact with both side surfaces of the front-rear groove 34, and the convex portion 28 is tightly fitted to the through hole 35.

  The vehicle seat pad 10C in FIG. 9 is provided with grooves 31 to 34 on the bottom surface of the insertion body 40, and the top surface of the recess 24A is entirely flat. The pad main body 20C is provided with a through hole 35 that communicates the bottom surface of the recess 24A and the bottom surface of the pad main body 20C. A convex portion 28 protrudes downward from a portion of the groove 34 facing the through hole 35. The lower end of the convex portion 28 is inserted into the through hole 35. The convex portion 28 is tightly fitted into the through hole 35 so that the left and right side surfaces of the convex portion 28 are pressed against the left and right inner surfaces of the through hole 35. A sufficient ventilation gap is provided between the front and rear slopes of the convex portion 28 and the front edge and the rear edge of the upper edge of the through hole 35.

  Also in the vehicle seat pads 10B and 10C of FIGS. 8 and 9, the air blowing up from the through hole 35 is smoothly divided into two hands by the convex portion 28 and flows into the longitudinal groove 34. Further, as described above, the convex portion 28 is tightly fitted to the front-rear direction groove 34 or the through hole 35 so as not to come off.

  For this reason, even if the blowing pressure of air from the through hole 35 acts upward on the insertion member 40, the bottom surface of the recess 24A and the insertion member 40 remain in close contact with each other. As a result, the air flow from the through hole 35 flows into the horizontal grooves 31 to 33 only through the front-rear direction groove 34 and is supplied to all the holes 27 uniformly, and a sufficient amount of air is supplied from each hole 27. leak.

  Each of the above embodiments is an example of the present invention, and the present invention may be configured other than illustrated.

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 sectional drawing which follows the IV-IV line of FIG. It is a perspective view of an insertion body. It is a perspective view of a convex part. It is sectional drawing which shows another embodiment. It is sectional drawing which shows another embodiment. It is sectional drawing which shows another embodiment.

Explanation of symbols

10, 10A, 10B, 10C Vehicle seat pad 20, 20A, 20B, 20C Pad body 24, 24A Recess 27 Air hole 30 Insert body 31, 32, 33 Horizontal groove 34 Front-rear direction groove 35 Through hole (communication part)
40 Insert

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 the upper surface of the insert;
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicular seat pad, wherein a convex portion protruding toward the communication portion is provided on a ceiling surface of the recess. 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 the ceiling surface of the recess;
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicular seat pad, wherein a projecting portion protruding toward the communicating portion is provided on a ceiling surface in the groove. A pad body provided with a recess recessed downwardly in the seat surface part;
In a vehicle seat pad comprising an insertion body fitted in the recess,
A ventilation groove provided on the bottom surface of the recess;
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicular seat pad, wherein a convex portion projecting toward the communication portion is provided on a bottom surface of the insertion body. A pad body provided with a recess recessed downwardly in the seat surface part;
In a vehicle seat pad comprising an insertion body fitted in the recess,
A ventilation groove provided on the bottom surface of the insert,
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicular seat pad, wherein a projecting portion protruding toward the communicating portion is provided on a ceiling surface in the groove. A pad body provided with a recess recessed upwards on the bottom surface,
In the vehicle seat pad comprising the insertion body loaded in the recess,
A ventilation groove provided on the ceiling surface of the recess or the surface of the insert, or both;
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicular seat pad characterized in that there is a coupling portion connecting both sides of the groove of the insertion body, and the coupling portion is installed so as to cover a part or all of the upper portion of the communication portion. A pad body provided with a recess recessed downward on the bottom surface;
In a vehicle seat pad comprising an insertion body fitted in the recess,
A ventilation groove provided on the ceiling surface of the recess or the back surface of the insert, or both;
A hole communicating the groove and the seating surface of the pad body;
A communication portion for communicating the groove with the outside of the vehicle seat pad;
With
A vehicle seat pad, comprising: a connecting portion that connects both sides of the groove of the main body, and the connecting portion is installed so as to cover a part or all of the upper portion of the communicating portion.   The vehicle seat pad according to claim 5, wherein the coupling portion has a shape that is pointed downward.   5. The communication part according to claim 1, wherein the communication part is disposed in a middle part of the extending direction of the groove, and the holes are provided on either side of the extending direction from the middle part. A vehicle seat pad.   9. The vehicle seat pad according to claim 1, wherein the communication portion is provided so as to communicate the groove with a bottom surface of the vehicle seat pad. 10.   The vehicle seat pad according to any one of claims 1 to 4, 8, and 9, wherein the convex portion is in close contact with both side surfaces of the groove.   The vehicle seat pad according to any one of claims 1 to 4, and 8 to 10, wherein the air holes are arranged on both left and right sides of the bottom of the bottom.   The vehicle seat pad according to any one of claims 1 to 4, and 8 to 11, wherein the convex portion has a shape that is pointed downward.

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