JP5239172B2 - Vehicle seat pad and method of manufacturing the same - Google Patents

Description

  The present invention relates to a vehicle seat pad, and more particularly to a vehicle seat pad including a pad body provided with a recess recessed upward from the bottom surface, and an insertion body inserted into the recess. . The present invention also relates to a method of manufacturing the vehicle seat pad.

In JP-A-11-34710 and JP-A-2005-59646, a recess is provided upward from the bottom surface of the pad body, and a nest is inserted into the recess, and a sensor is provided on the top surface of the nest. A seat with a seating sensor installed is described.
JP 11-34710 A JP 2005-59646 A

  The present invention is for a vehicle in which a recess is provided upward from the bottom surface of the pad main body as described in JP-A-11-34710 and JP-A-2005-59646, and an insertion body is inserted into the recess. An object of the present invention is to provide a vehicle seat pad that can securely hold an insert in a recess, and a method for manufacturing the same.

A vehicle seat pad according to the present invention (Claim 1) includes a pad main body provided with a recess recessed upward in a bottom surface portion, and an insertion body inserted into the recess. In the seat pad for use, a gap is provided between the ceiling surface of the recess and the upper surface of the insertion body, and a ventilation portion is provided in the pad body to communicate the gap with a seating surface of the pad body. The vehicle seat pad includes a fastening member that fastens the pad main body and the insertion body, and the fastening member is provided on a side surface of the insertion body. Of the upper surface, the region that includes the peripheral edge of the upper surface and does not face the gap is in contact with the ceiling surface of the recess .

  According to a second aspect of the present invention, the vehicle seat pad according to the first aspect is characterized in that the fastening member is made of a hook-and-loop fastener.

  According to a third aspect of the present invention, there is provided the vehicle seat pad according to the first aspect, wherein the fastening member is made of a magnetic material.

A vehicle seat pad according to a fourth aspect of the present invention is the vehicle seat pad according to any one of the first to third aspects, wherein the fastening member is provided at a higher position than an upper and lower middle of the insertion body. .

The vehicle seat pad according to claim 5, in any one of claims 1 to 4, wherein the hooking member is characterized in that orbiting the pad body.

A vehicle seat pad according to a sixth aspect of the present invention is the vehicle seat pad according to any one of the first to fifth aspects, wherein the insertion member is loosely fitted into the recess and is held in the recess only by fastening the fastening member. It is characterized by being.

A vehicle seat pad according to a seventh aspect is the vehicle seat pad according to the sixth aspect , wherein an enlarged portion that is laterally enlarged is formed at an upper end portion of a side surface of the insertion body , and the fastening member includes the enlarged portion and the It is provided so as to connect to the inner surface of the recess, and there is a gap between the lower end side of the side surface of the insertion body from the enlarged portion and the inner surface of the recess. It is what.

The vehicular seat pad according to claim 8 is characterized in that, in any one of claims 1 to 7 , the fastening member is provided by integral molding.

The method for manufacturing a vehicle seat pad according to the present invention (Claim 9 ) is the method for manufacturing the vehicle seat pad according to Claim 8 , wherein the fastening member is foam-molded while being held in a mold. The pad main body and the insertion body are respectively formed, and then the insertion body is mounted on the pad main body.

In the production method of the vehicle seat pad of the present invention (0 according to claim 1) is a method of manufacturing a seat pad for a vehicle according to claim 6 or 7, inserting the insertion Hamakarada the recess, the guide The insertion body is inserted into the recess, guided by the guide, and inserted into the recess.

  In the vehicle seat pad of the present invention, the insertion body is inserted into the recess in the bottom surface of the pad body, and a gap is provided between the ceiling surface of the recess and the upper surface of the loading body. Since the air in the gap smoothly flows out to the outside and reduces the volume when seated, the seating surface becomes soft and the seating comfort is comfortable. .

  In the present invention, since the insertion body is fastened to the pad main body by the fastening member, the insertion body is firmly held by the pad main body. Thereby, the uncomfortable feeling at the time of sitting, the vibration of an insertion body, and a shift sound are prevented. In addition, it is possible to prevent the insertion body from falling off when the vehicle seat pad is handled.

  Further, heating or cooling can be performed by circulating warm air or cold air from the lower side of the sheet through the gap to the upper surface of the sheet.

  When a fastening member is provided so as to go around the insertion body, this air leakage can be prevented. By providing the fastening member other than the lower thigh and the lower bottom of the thigh, an uncomfortable feeling at the time of sitting can be prevented.

  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 of FIG.

  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. 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, there are provided a longitudinal groove 25 and a lateral width 26.

  In a vehicle seat pad that places importance on cushioning properties, it is preferable that the pad main body 20 is made of a low-density material, and a high-performance material is used as a constituent material of the insert 30.

In this case, the constituent material of the cushion 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 cushion pad for which a soft feeling is desired on the surface or a seat pad aiming to improve the initial seating feeling, the core body 20 has a core density of 25 to 55 kg / m ³ , a 25% hardness of 8 A polyurethane foam having a core density of 40 to 70 kg / m ³ and a 25% hardness of 16 to 30 kgf / φ200 mm 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 insertion body 30 and the recess 24 have an inversely tapered shape that decreases toward the lower side, whereby the insertion body 30 is firmly held in the recess 24. The insertion body 30 is fastened to the inner surface of the recess 24 by an appropriate fastening member 38 such as a surface fastener or a magnetic material.

  In this embodiment, the fastening member 38 is provided on the upper portion of the side surface of the insertion body 30 and is provided around the insertion body 30.

  In this embodiment, the ceiling surface of the recess 24 of the pad main body 20 is flat. Holes 27 penetrating from the seating surface to the ceiling surface of the recess 24 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 of the bottom of the bottom.

  Since the seat pad is a cushion pad with an epidermis attached, the air holes 27 are indicated by broken lines in FIG. This skin is made of a breathable material such as a woven fabric.

A large number of protrusions 31 are provided on the upper surface of the insertion body 30. Each protrusion 31 has a conical shape, but may have a pyramid shape. In the case of the projection 31 and conical, the size of the base portion is about ² 100～3000Mm, it is preferable that a height of about 10 to 50 mm.

  A gap 32 is formed between the protrusions 31.

  A through hole 33 is provided at the center of the insertion body 30 as a communicating portion that penetrates vertically. In this embodiment, only one through hole 33 is provided, but a plurality of through holes 33 may be provided.

  The peripheral edge 34 on the upper surface of the insertion body 30 is a flat surface having the same height as the upper end of the protrusion 31. The insertion body 30 is fitted into the recess 24 so that the upper end of the protrusion 31 and the peripheral edge 34 abut against the ceiling surface of the recess 24. When the insertion body 30 is mounted, the gap 32 communicates with both the hole 27 and the through hole 33.

  In the vehicle seat pad 10 configured as described above, when the occupant is seated, the protrusion 31 is deformed so as to be compressed, so that the seating feeling is soft. Since the air gap 32 communicates with the outside through the air holes 27 and the through holes 33, the air smoothly enters and exits the air gap 31 during seating and separation.

  In this embodiment, the through hole 33 and the hole 27 communicate with each other through the gap 32. Therefore, when hot air or cold air is supplied into the through-hole 33 from an air conditioner (not shown) or the like, the hot air or cold air flows upward from the air holes 27, and the passenger can be heated or cooled. In addition, you may distribute the normal temperature wind.

  In this embodiment, the protrusion 31 is provided on substantially the entire surface other than the peripheral edge portion 34 on the upper surface of the insertion body 30, and the gap 32 communicates with substantially the entire upper surface of the insertion body 30. Therefore, even when a part of the gap is compressed by the load of the seated person, the hot air or the cold air can be smoothly circulated from the through hole 33 to the hole 27.

  In this embodiment, since the insertion body 30 and the pad main body 20 are fastened by the fastening member 38, the insertion body 30 is firmly held. Therefore, there is no sense of incongruity when sitting on the vehicle seat pad 10. Further, since the top plate portion and the recess of the insertion body 30 are not displaced, displacement noise and vibration are prevented. Furthermore, it is easy to handle the insert 30 without dropping from the recess 24 when the vehicle seat pad 10 is handled.

  In this embodiment, the fastening member 38 is provided so as to surround the entire circumference of the side surface of the insertion body 30. Therefore, air does not leak from between the insertion body 30 and the recess 24 when hot air or cold air is supplied to the through hole 33.

  In this embodiment, the fastening member 38 is provided above the middle of the upper and lower sides of the side surface of the insertion body 30. In such a case, sliding between the upper surface of the insert 30 and the ceiling surface of the recess 24 can be sufficiently prevented.

  As the fastening member 38, a surface fastener or a magnetic material is suitable as described above. The surface fastener is composed of a pair of sheet materials that are superposed on each other. A large number of minute loops are provided on the surface of one sheet material, and the surface of the other sheet material is locked to the loop. A well-known thing etc. with which many hook parts are provided can be used. One of the sheet materials is provided on the insertion body 30, and the other sheet material is provided on the inner surface of the recess 24. When the insertion body 30 is mounted in the recess 24, the sheet materials are joined to each other. This hook-and-loop fastener is suitable because of its high locking force. Moreover, since it is detachable, it is also easy to take out the insertion body 30 from the pad main body 20.

  As the fastening member 38, a magnetic material may be used. As the magnetic material, a first tape carrying or containing magnet powder and a second tape carrying or containing non-magnetized magnetic powder or magnet powder are suitable. One of the first and second tapes is provided on the insertion body 30, and the other is provided on the inner surface of the recess 24.

  When the pad main body 20 and the insertion body 30 are foam-molded with urethane, these fastening members 38 are integrally foamed by holding the fastening member 38 in a molding die and foaming. It is preferable to be integrated with each of the insertion bodies 30.

  In the embodiment shown in FIGS. 1 to 3, the protrusion 31 is provided on the upper surface of the insertion body 30, but the protrusion 24 is provided on the ceiling surface of the recess 24 so that the upper surface of the insertion body 30 is a flat surface. Good.

In the embodiment shown in FIGS. 1 to 3, the fastening member 38 is provided on the side surface of the insertion body 30 and the side surface of the recess 24. However, the vehicle seat according to the reference example of FIGS. It is provided on the upper surface of the charging member in the pad 10A. In this case, it is preferable that the fastening member 38 is provided so as to go around the upper surface of the insertion body, thereby preventing air leakage. The fastening member 38 is preferably provided at a distance of 2 to 20 mm from the edge of the insertion body 30.

  4 and 5, the configuration for communicating the through hole and the air hole 27 is slightly different from those in FIGS. 1 to 3, so this configuration will be described next.

FIG. 4 is a longitudinal sectional view in the left-right width direction of the vehicle seat pad 10A according to this reference example, and FIG. 5 is a sectional view taken along the line V-V in FIG.

In this reference example , a plurality of first grooves 41 extending in the left-right direction are provided on the upper surface of the insertion body 30A. A plurality of second grooves 42 extending in the front-rear direction are provided on the ceiling surface of the recess 24 of the pad main body 20A. The through hole 33 of the insertion body 30A communicates the first groove 41 and the bottom surface of the insertion body 30A. The air holes 27 communicate the ceiling surface of the recess 24 with the upper surface of the pad main body 20. The inside of the 1st groove | channel 41 and the 2nd groove | channel 42 becomes a space | gap, respectively. The gap communicates with the lower surface and the upper surface of the sheet through the through hole 33 and the hole 27.

Other configurations of this reference example are the same as those in the embodiment of FIGS. 1 to 3, and the same reference numerals indicate the same parts. Also in this reference example , the same operational effects as the embodiment of FIGS. 1 to 3 are exhibited.

In the present invention, as in the first seven Figure Shitopa' de 1 0C, to a recess 24 of the pad the body 2 0C is loosely fitted the charging member 3 0C, the the charging member 3 0C for hooking member 38 hooking You may make it hold | maintain in the recess 24 only by force.

In the insertion body 30 </ b> B according to the reference example of FIG. 6, there is a gap between the entire side surface and the inner surface of the recess 24. The fastening member 38 is provided on the upper surface of the insertion body 30B.

  In the insertion body 30 </ b> C of FIG. 7, the upper part of the side surface is slightly enlarged, and only this upper part is in contact with the inner surface of the recess 24. The fastening member 38 is provided on the enlarged upper side surface. There is a gap between the side surface of the insertion body 30 </ b> C and the inner surface of the recess 24 below the enlarged portion. The gap is preferably 0.5 to 5 mm, particularly about 2 mm.

In this way, when there is a gap between the insertion bodies 30B and 30C and the inner surface of the recess 24, a guide such as a spatula is recessed when the insertion bodies 30B and 30C are inserted into the recess 24. The insertion bodies 30B and 30C can be inserted into the recess 24 smoothly and with high positional accuracy by being inserted into the place 24 and guided by this guide.
Further, when there is a gap between the inserts 30B and 30C and the recess, even if the relative position moves due to the seating deformation, there is no feeling of misalignment or feeling of strangeness.

In the seat pad 10D according to the reference example of FIG. 8 , a vertical groove 50 is provided on the upper surface of the insertion body 30D, the groove 50 is communicated with the through hole 33, and the horizontal grooves 51, 52 are formed laterally from the vertical groove 50. It has been extended. The pad body 20 </ b> D is provided with a hole 27 that penetrates from the ceiling surface of the recess 24 to the seat surface. A fastening member 38 is provided on the peripheral edge of the upper surface of the insertion body 30D.

  The above-described embodiment is an example of the present invention, and the present invention may take a different form. For example, also in FIGS. 1 to 3, the gap 32 may be constituted by a groove. In addition, the fastening member 38 may be provided other than the lower thigh and the lower bottom of the thigh to prevent a sense of incongruity when sitting.

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 of the vehicle seat pad which concerns on a reference example . It is sectional drawing which follows the VV line of FIG. It is sectional drawing of the vehicle seat pad which concerns on a reference example . It is sectional drawing of the vehicle seat pad which concerns on another embodiment. It is a disassembled perspective view which shows a different reference example .

Explanation of symbols

10, 10A, 10B, 10C, 10D Vehicle seat pad 20, 20A, 20B, 20C, 20D Pad body 24 Recess 27 Air hole (vent)
30, 30A Insert 31 Protrusion 32 Air gap 33 Through hole (communication part)
38 Fastening members

Claims (10)

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 gap is provided between the ceiling surface of the recess and the upper surface of the insert,
A vehicle seat pad provided with a ventilation portion in the pad body for communicating the gap with a seating surface of the pad body,
It has a fastening member for fastening the pad body and the insertion body ,
The fastening member is provided on a side surface of the insertion body,
A vehicle seat pad , wherein a region of the upper surface of the insertion body that does not face the gap, including a peripheral portion of the upper surface, is in contact with a ceiling surface of the recess .   2. The vehicle seat pad according to claim 1, wherein the fastening member is made of a hook-and-loop fastener.   2. The vehicle seat pad according to claim 1, wherein the fastening member is made of a magnetic material. The vehicle seat pad according to any one of claims 1 to 3 , wherein the fastening member is provided at a higher position than an upper and lower middle of the insertion member. The vehicle seat pad according to any one of claims 1 to 4 , wherein the fastening member circulates around the pad main body. In any one of claims 1 to 5, wherein the charging member is a vehicle that loosely fit into the recess, characterized in that it is retained in the recess only by fastening the hooking member Seat pad.   In Claim 6, the expansion part expanded to the side is formed in the upper end part of the side surface of the said insertion body, The said fastening member connects this expansion part and the inner surface of the said recess. Provided,
  A vehicular seat pad characterized in that a gap exists between a lower end side of the side surface of the insertion body from the enlarged portion and an inner surface of the recess. The vehicle seat pad according to any one of claims 1 to 7 , wherein the fastening member is provided by integral molding. A method for manufacturing the vehicle seat pad according to claim 8 , comprising:
A pad body and an insertion body are formed by foam molding while the fastening member is held in a mold, and then the insertion body is mounted on the pad body. Method. A method for producing a vehicle seat pad according to claim 6 or 7 ,
A method for manufacturing a vehicle seat pad, wherein the insertion member is inserted into the recess when the insertion member is inserted into the recess, and the insertion member is inserted into the recess while being guided by the guide.

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