JP5494151B2 - Vehicle seat - Google Patents

Description

  The present invention relates to a vehicle seat having a planar heater member.

This type of vehicle seat has a pad member that forms the outer shape of the seat, a skin material that covers the pad member, a heater member, and a locking structure (see Patent Document 1). The pad member has a linear recess (groove) that crosses the pad member in the sheet width direction.
The heater member is a planar member, and has a first heater portion, a second heater portion, and a connecting portion. The connecting portion is a portion that connects the first heater portion and the second heater portion (both are substantially rectangular), and is typically a band-like portion that is narrower than each heater portion.

The locking structure has a hanging cloth and a locked member. The locked member is a linear member extending in the sheet width direction and can be disposed on the bottom surface of the groove.
The hanging cloth is a belt-like cloth member and can be attached to a part of the skin material. A typical hanging cloth is sewn to the skin material on one side and locked to the locked member on the other side. For example, a linear member is attached to the other side of the hanging cloth. The linear member of the hanging cloth can be locked to the locked member via the ring member (so-called hog ring locking).

In the known technique, the first heater portion and the second heater portion are arranged on the pad member, and the connecting portion is arranged in a bridging manner in the groove portion of the pad member. Then, when covering the pad member with the skin material, a part of the skin material is locked in a suspended manner to the locked member of the groove portion via the hanging cloth. At this time, the hanging cloth interferes with the connecting portion. Care should be taken not to do so.
Therefore, in the publicly known technique, a plurality of hanging cloths are arranged at predetermined intervals on a part of the skin material (see FIG. 6 of Patent Document 1). At this time, by arranging the plurality of suspension cloths so as not to interfere with the connecting portion, a part of the skin material can be locked to the locked member without being obstructed by the connecting portion.

Japanese Patent Publication No. 6-40848

By the way, in the above-mentioned structure, the length dimension of a connection part may vary with the design error of a heater member, the arrangement state of each heater part, etc. For this reason, a redundant connection part (so-called pre-length part) protrudes from the groove part, and the heater member cannot be stably arranged.
Further, in the above-described configuration, the hanging cloth is not arranged on all the skin materials (the hanging cloth is not arranged on the portion that interferes with the connecting portion), so that the hanging of the skin material becomes sweet. Of course, it is possible to avoid interference between the hanging cloth and the connecting portion as much as possible by appropriately changing the outer shape and dimensions of the heater member. However, the configuration of the heater member is likely to be complicated.
The present invention was devised in view of the above-described points, and the problem to be solved by the present invention is to lock the skin material with a relatively simple structure while stably arranging the heater member. There is to do.

As means for solving the above-mentioned problems, the vehicle seat of the first invention includes a pad member that forms the outer shape of the seat, a skin material that covers the pad member, and a planar shape that is disposed between the skin material and the pad member. Heater member. Moreover, a heater member has a 1st heater part, a 2nd heater part, and a pair of strip | belt-shaped connection part which connects a 1st heater part and a 2nd heater part.
And in this invention, while arrange | positioning a pair of connection part to the groove part of a pad member in a bridging shape, when coat | covering a pad member with a skin material, a part of skin material is latched in a groove part by a latching structure. In this type of seat configuration, it is desirable to be able to lock the skin material with a relatively simple configuration while stably arranging the heater members.

In the present invention, the above-described locking structure has a locked member in the groove and a locking member to which a part of the skin material can be attached. The locking member includes a mounting portion that can be indirectly or directly attached to a part of the skin material, a pair of insertion portions that can be inserted with the corresponding connecting portions , and a locking that can be locked to the locked member. Part.
Therefore, in the present invention, the attachment portion is extended to one side of each insertion portion facing a part of the skin material, and the locking portion is extended to the other side of each insertion portion facing the member to be locked. And while inserting a pair of connecting portions into the corresponding inserting portions, attaching a part of the skin material to the attaching portion and locking the engaging portions to the locked members, the pair of connecting portions are It was set as the structure guided to the groove part side.
In this invention, a heater member can be stably arrange | positioned by guide | inducing a heater member part to the groove part side (absorbing the extra length of a heater member part).
Further, by extending the attachment portion and the locking portion across the insertion portion, a part of the skin material can be locked in the groove portion while avoiding the interference of the heater member. For this reason, in the present invention, it is possible to look and lock the skin material in a pleasing manner without changing the design of the heater member as much as possible.

In the vehicle seat of the first invention , the pair of insertion portions described above includes a holding portion that can hold the corresponding connecting portion, and an insertion portion that opens to the locking portion side while communicating with the holding portion. And the holding portion is a linear space that follows the outer shape of the corresponding connecting portion, and the corresponding connecting portion is inserted from the insertion portion and guided to the holding portion .
Therefore, in the present invention, the opening size of each insertion portion is narrower than the holding portion, and a pair of insertion portions is formed at the inner end of the corresponding holding portion on the sheet inner side . Therefore, the locking portion can be extended longer while preventing the heater member from dropping from the holding portion as much as possible (a wider range of locking portions can be locked to the locked member).
Further, according to the present invention, the connecting portion (part of the heater member) can be inserted from the insertion portion (the inner end side of the holding portion) and smoothly guided into the holding portion (the other end side).

According to the first invention of the present invention, it is possible to lock the skin material with good appearance while stably arranging the heater member with a relatively simple configuration. Further, according to the first invention, the seat structure is further improved in appearance. According to the first invention, a part of the heater member can be smoothly inserted.

It is a perspective view of a vehicle seat. It is a top view of a part of the seat cushion. It is the III-III line longitudinal cross-sectional view of FIG. It is the IV-IV line longitudinal cross-sectional view of FIG. 6 is a longitudinal sectional view of a part of a seat cushion showing a locking structure of Embodiment 2. FIG. 6 is a longitudinal sectional view of a part of a seat cushion showing a locking structure of Example 3. FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described with reference to FIGS. In each figure, a reference symbol F is attached to the front of the vehicle seat, a reference symbol B to the rear of the vehicle seat, a reference symbol UP to the upper side of the vehicle seat, and a reference symbol DW to the lower side of the vehicle seat.
The vehicle seat 2 in FIG. 1 has a seat cushion 4, a seat back 6, and a headrest 8. Each of these members has a pad member (4P, 6P, 8P) forming a sheet outer shape, and a covering material (4S, 6S, 8S) covering the pad member.

<Example 1>
In this embodiment, the seat cushion 4 has the above-described configuration (4P, 4S) and the heater member 20 (see FIGS. 1 to 3, details of each member will be described later).
Then, a part of the heater member 20 (link portions 24f and 24s described later) is arranged in a bridging manner on the pad member 4P (groove portion 4g described later). Further, when the pad member 4P is covered with the skin material 4S, a part of the skin material (a middle surface portion 16 described later) is locked to the groove portion 4g by a locking structure described later.
In this type of seat configuration, it is desirable that the heater member 20 can be stably disposed with a relatively simple configuration, and the skin material 4S can be pleasingly locked.
Therefore, in the present embodiment, the skin material 4S is aesthetically locked by the locking structure described later. Hereinafter, each configuration will be described in detail.

[Pad material]
The pad member 4P is a substantially U-shaped (longitudinal sectional view) member, and includes a seating portion 4c, a pair of bank portions 4b, and a groove portion 4g (see FIG. 3).
The seating part 4c is a flat part at the center of the seat cushion 4 and can seat an occupant (see FIG. 2). The pair of bank portions 4b are convex portions on both sides of the seat cushion 4, and can support the side of the occupant during cornering of the vehicle.
And the groove part 4g is a recessed part (linear shape) of the pad member 4P, and the below-mentioned to-be-latched member 40 can be arrange | positioned. The groove portion 4g of the present embodiment has a length dimension that crosses the seating portion 4c in the seat width direction, and is formed at an intermediate position of the seating portion 4c (a position that can face the middle surface portion 16 described later).

[Skin material]
The skin material 4S is a bag-like member that can cover the pad member 4P, and has a plurality of skin pieces (first skin piece 14f, second skin piece 14s) (see FIGS. 2 and 4).
The first skin piece 14f is a member that covers the front portion of the seating portion 4c, and the second skin piece 14s is a member that covers the rear portion of the seating portion 4c.
In the present embodiment, the rear end of the first skin piece 14f and the front end of the second skin piece 14s are overlapped in an inward shape (forms the middle surface portion 16). The middle surface portion 16 (part of the skin material) has a linear shape that protrudes inward of the sheet and extends in the sheet width direction. This inner surface portion 16 is suspended in the groove portion 4g via a later-described locking structure.

[Heater member]
The heater member 20 is a planar member that can be disposed between the skin material 4S and the pad member 4P (see FIGS. 2 and 4). The heater member 20 of the present embodiment includes a first heater portion 21, a second heater portion 22, and a pair of connecting portions 24f and 24s.
Both the first heater portion 21 and the second heater portion 22 are substantially rectangular planar portions, and can be arranged in parallel on the front and rear sides of the sheet with the groove 4g interposed therebetween. The 1st heater part 21 can be arrange | positioned in the front part of the seating part 4c, and the 2nd heater part 22 can be arrange | positioned in the rear part of the seating part 4c.
The pair of connecting portions 24 f and 24 s are band-like portions narrower than the heater portions, and connect the first heater portion 21 and the second heater portion 22. The pair of connecting portions 24f and 24s are arranged in a bridging manner in the groove portion 4g in parallel with the left-right symmetry in the seat width direction when viewed from the front of the seat.

[Locking structure]
The locking structure of the present embodiment includes a hanging cloth 30, a locked member 40, and a locking member 50 (see FIGS. 3 and 4).
The hanging cloth 30 is a long belt-like member that follows the shape of the groove 4g, and is typically made of a cloth (woven fabric, knitted fabric, non-woven fabric).
In this embodiment, the hanging cloth 30 is sewn and attached in a multilayered manner so as to be along the above-described middle surface portion 16 (part of the skin material). Thus, by attaching the hanging cloth 30 to the middle surface portion 16 in advance, a locking member 50 described later can be attached to the middle surface portion 16 relatively easily.

(Locked member)
The locked member 40 is typically a metal linear member, and has a dimension capable of crossing the seating portion 4c in the seat width direction (see FIG. 3).
In this embodiment, the locked member 40 is disposed on the bottom side of the groove 4g, and both ends of the locked member 40 are embedded in the bank portion 4b (inner surface side).

(Locking member)
The locking member 50 is a long plate-like member that follows the length of the groove 4g, and includes a mounting portion 52, an insertion portion 53, a locking portion 58, and a pressing portion 59 (see FIG. 3 and FIG. 3). (See FIG. 4). The material of the locking member 50 is not particularly limited, but is typically made of resin.
The attachment portion 52 is a flat plate portion on one side of the locking member 50, and can fix (indirectly) the middle surface portion 16 of the skin material 4S via the hanging cloth 30. The locking portion 58 is a curved portion (substantially J-shaped in a longitudinal sectional view) on the other side of the locking member 50 and can be locked to the above-described locked member 40.
The pressing portion 59 is an upper wall portion of the holding portion 54 described later, and is a portion that can press the connecting portion 24f (24s) into the groove portion 4g. The pressing part 59 of the present embodiment has a substantially rectangular shape (viewed in a longitudinal section).

(Insertion part)
And the insertion part 53 is a substantially horizontal L-shaped notch part (through-hole), and has the holding | maintenance part 54 and the insertion part 56 (refer FIG.3 and FIG.4). Here, the above-described mounting portion 52 constitutes the upper side of the insertion portion 53 (the state extends to the upper side of the insertion portion 53). Moreover, the latching | locking part 58 comprises the lower side of the insertion part 53 (it will be in the state extended under the insertion part 53 except the insertion part 56).
The holding part 54 is a linear space (a horizontally extending through hole) that follows the outer shape of the connecting part 24f (24s), and can hold the connecting part 24f (24s). The width dimension D1 (opening dimension in the sheet width direction) of the holding part 54 can be set to be equal to or larger than the width dimension of the connecting part 24f (24s).
The insertion portion 56 is a portion that inserts the connecting portions 24 f and 24 s and guides them to the holding portion 54. The insertion portion 56 of the present embodiment is a notch portion at the inner end of the holding portion 54, communicates with the holding portion 54 on the upper side, and opens on the locking portion 58 side on the lower side. In this embodiment, the width dimension (opening dimension) D2 of the insertion portion 56 is set narrower (shorter) than the width dimension D1 of the holding portion 54.

In this embodiment, the pair of insertion portions 53 are formed in parallel to the central position of the locking member 50 (see FIG. 3). At this time, a pair of holding portions 54 are formed on the left and right sides of the locking member 50, and the respective insertion portions 56 are formed on the inner end side.
In this embodiment, it is preferable to open the pair of insertion portions 53 in the groove portion 4g when the locking member 50 is locked, for example, by appropriately setting the height positions of the pair of insertion portions 53. (See FIG. 4).

[Covering of skin material]
3 and 4, the first heater portion 21 and the second heater portion 22 are bonded and fixed to the seating portion 4c, and the pad member 4P is covered with the skin material 4S.
Next, the pair of connecting portions 24f and 24s (a part of the heater member) are inserted into the locking member 50 while being arranged in a bridging manner in the groove portion 4g. At this time, in the present embodiment, the connecting portions 24f and 24s can be smoothly inserted from the insertion portion 56 (one end side of the holding portion 54) to the other end side of the holding portion 54.

Then, each connecting portion 24f (24s) is inserted into the insertion portion 53, and the middle surface portion 16 (part of the skin material) is sewn to the attachment portion 52. Next, by locking the locking portion 58 to the locked member 40, each connecting portion 24f (24s) is guided to the groove portion 4g side.
In this way, the heater members 20 can be stably disposed on the pad member 4P by guiding the connecting portions 24f (24s) to the groove portion 4g side (absorbing a surplus length of a part of the heater member).
Further, since the attachment portion 52 and the locking portion 58 are extended with the insertion portion 53 interposed therebetween, the skin material 4S can be locked in a suspended manner while avoiding interference between the connecting portions 24f and 24s as much as possible. Thereby, in the present embodiment, the skin material 4S can be looked and locked with no change in design of the heater member 20 as much as possible.

Further, in this embodiment, the connecting portion 24f (24s) can be pressed into the groove portion 4g by the pressing portion 59 by appropriately adjusting the position where the insertion portion 53 is formed.
Thus, by positioning the connecting portions 24f and 24s by pressing the pressing portions 59, for example, the displacement of the heater member 20 due to the occupant's seating operation or the like is prevented or reduced (with a more attractive seat configuration and Become).

As described above, in the present embodiment, the skin member 4S can be looked and locked with a relatively simple configuration while the heater member 20 is stably disposed.
Further, in this embodiment, since the locking portion 58 (J-shaped) can be hooked and locked on the locked member 40 (linear shape), the locking operation can be simplified as compared with the hog ring locking. (It is a structure with good workability).
In this embodiment, the insertion portion 56 is narrower than the holding portion 54. Therefore, the locking portion 58 can be extended longer while preventing the connecting portion 24f (24s) from falling off the holding portion 54 as much as possible (a relatively wide locking portion 58 can be locked to the locked member 40). ).

<Example 2>
Since the vehicle seat of the present embodiment has substantially the same basic configuration as the vehicle seat 2 of the first embodiment, the common structure is denoted by the corresponding reference numerals and detailed description thereof is omitted.
The locking member 50 according to the present embodiment includes a mounting portion 52, an insertion portion 53a, a locking portion 58, and a pressing portion 59a (see FIG. 5).
The pressing portion 59a is an upper wall portion of the insertion portion 53a, and is a substantially circular (vertical sectional view) portion. In the present embodiment, by appropriately adjusting the curvature of the pressing portion 59a, the connecting portion 24f (24s) can be pressed into the groove portion 4g without applying excessive tension.

<Example 3>
Since the vehicle seat of the present embodiment has substantially the same basic configuration as the vehicle seat 2 of the first embodiment, the common structure is denoted by the corresponding reference numerals and detailed description thereof is omitted.
The locking member 50 according to the present embodiment includes a mounting portion 52, an insertion portion 53b, a locking portion 58, and a pressing portion 59b (see FIG. 6).
The pressing portion 59b is an arc portion (flat plate shape) that projects from the upper wall portion of the insertion portion 53b to the front and rear of the seat. Also in this embodiment, it is possible to press the connecting portion 24f (24s) into the groove portion 4g without excessive tension by appropriately adjusting the curvature of the pressing portion 59b.
Moreover, since the pressing part 59b of a present Example can bend freely upward by drawing in of the connection part 24f (24s), it can avoid suitably that an excessive tension | tensile_strength is applied to the connection part 24f (24s).

The vehicle seat of the present embodiment is not limited to the above-described embodiment, and can take other various embodiments.
(1) In this embodiment, the example which attaches the latching member 50 to the inner surface part 16 via the hanging cloth 30 (indirectly) was demonstrated. The locking member 50 can be directly attached to the inner surface portion 16 without the suspension cloth 30 being interposed.
(2) Moreover, in this embodiment, the example which fixes the heater member 20 to the pad member 4P was demonstrated. The heater member can be fixed (adhesion, sewing, fusion, etc.) to the skin material. Moreover, a heater member can be arrange | positioned between both members, without fixing to either a pad member or a skin material.

(3) Moreover, in this embodiment, the example which presses the connection part 24f (24s) toward the inside of the groove part 4g with the press part 59 was demonstrated. In the present embodiment, the connecting portion 24f (24s) may not be pressed into the groove portion 4g depending on the length dimension of the connecting portion, the formation position of the insertion portion, and the like.
(4 )

(5) Moreover, in this embodiment, although the heater member 20 which has a pair of connection part 24f, 24s was illustrated, it is not the meaning which limits the number of connection parts. Connecting portion may be a three or more plural. By providing a plurality of connecting portions, the heater member can be stably positioned by the locking member.
(6) Moreover, in this embodiment, the example which arrange | positions the heater member 20 exclusively in the seat cushion 4 was demonstrated. The configuration of the present embodiment is applicable when the heater member 20 is disposed in various seat configurations such as the seat back 6 and the headrest 8.

2 Vehicle seat 4 Seat cushion 4P Pad member 4c Seat portion 4b Bank portion 4g Groove portion 4S Skin material 14f First skin piece 14s Second skin piece 16 Middle surface portion 20 Heater member 21 First heater portion 22 Second heater portion 24f, 24 s Connecting portion 30 Hanging cloth 40 Locked member 50 Locking member 52 Mounting portion 53 Inserting portion 54 Holding portion 56 Inserting portion 58 Locking portion 59 Pressing portion

Claims (1)

A pad member that forms a sheet outer shape, a skin material that covers the pad member, and a planar heater member that is disposed between the skin material and the pad member,
The heater member has a first heater part, a second heater part, and a pair of strip-like connecting parts that connect the first heater part and the second heater part,
The pair of connecting portions are arranged in a bridging manner in the groove portions of the pad member, respectively , and when the pad member is covered with the skin material, a part of the skin material is locked in the groove portion by a locking structure. In the vehicle seat
The locking structure has a locking member to which a part of the skin material can be attached, and a locked member in the groove,
The locking member is locked to the to-be-latched member, an attachment portion to which a part of the skin material can be indirectly or directly attached, a pair of insertion portions to which the corresponding connecting portion can be inserted, and Has a possible locking part,
The mounting portion extends to one side of each insertion portion facing a part of the skin material, and the locking portion extends to the other side of each insertion portion facing the locked member. ,
While attaching the pair of connecting portions to the corresponding insertion portions, attaching the skin material part to the attachment portion, and locking the locking portion to the locked member, It is configured to guide the pair of connecting portions to the groove portion side ,
Each of the pair of insertion portions includes a holding portion that can hold the corresponding connecting portion, and an insertion portion that opens to the locking portion side while communicating with the holding portion. It is a linear space following the outer shape of the corresponding connecting portion, and the corresponding connecting portion is inserted from the insertion portion and guided to the holding portion,
A vehicle seat in which an opening size of each insertion portion is narrower than the holding portion, and the pair of insertion portions are formed at inner ends of the corresponding holding portions on the inner side of the seat.

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