JP2013000248A - Seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat allowing attaching work of attaching a seat cover to a cushion pad and electrical connection work of a heater mounted in the seat cover to be performed in one step, and having a small number of components necessary for the attaching work.SOLUTION: The seat 100 includes the cushion pad 1 with a groove 13, and the seat cover 2 covering the cushion pad 1 and having the heater H. A first connector 3 through which power distribution is possible is disposed in the groove 13, and a withdrawn part 23 withdrawn in the groove 13 is disposed in the seat cover 2. A second connector 4 which can be combined with the first connector 3 is attached to an end of the withdrawn part 23. The second connector 4 is conductive with the heater H. As the second connector 4 is combined with the first connector 3, the seat cover 2 is locked to the cushion pad 1, and the heater H is in a state in which power distribution is possible.

Description

  The present invention relates to a sheet. More specifically, the present invention relates to a seat that can perform attachment work for attaching a seat cover to a cushion pad and electrical connection work for a heater provided in the seat cover in a single process and that requires a small number of parts. .

  2. Description of the Related Art Conventionally, there has been known a seat provided with a heater for warming a seat surface and improving the comfort of a seated person during cold weather such as winter. As such a seat, for example, a seat in which a cushion pad is covered with a seat cover having a heater in a seat of a vehicle, particularly a passenger car is known (for example, see Patent Document 1).

JP 2010-206 A

In a conventional seat such as the above-mentioned Patent Document 1, a part of the seat cover is pulled into a groove provided in the cushion pad, and the seat cover is attached to the cushion pad. Specifically, the seat cover side wire provided at the retracting portion of the seat cover and the cushion pad side wire provided at the bottom of the groove portion are locked by a locking member such as a C ring (hog ring). By doing so, the seat cover is attached to the cushion pad. On the other hand, for power supply to the heater, wiring extending from a wire on the seat cover side that is electrically connected to the heater is connected to wiring on the vehicle body side. That is, in the seat as described in Patent Document 1, it is necessary to separately perform the work of attaching the seat cover to the cushion pad and the electrical connection work of the heater.
Furthermore, in the conventional seat, as described above, the wire on the seat cover side and the wire on the cushion pad side are locked by a locking member such as a C-ring, and the number of parts required for attachment is large. It was.

  The present invention has been made in view of the above circumstances, and can perform an attachment operation for attaching a seat cover to a cushion pad and an electrical connection operation of a heater provided in the seat cover in one step. The object is to provide a sheet with a small number of parts required for the mounting operation.

  In order to solve the above-described problem, the invention according to claim 1 is a seat including a cushion pad including a groove portion, and a seat cover that covers the cushion pad and includes a heater. A first connector that can be energized is disposed, the seat cover has a pull-in portion that is pulled into the groove, and a second connector that can be coupled to the first connector at an end of the pull-in portion. The second connector is electrically connected to the heater, and the seat cover is locked to the cushion pad when the second connector is coupled to the first connector. In addition, the gist is that the heater can be energized.

  According to a second aspect of the present invention, in the first aspect, the second connector is a male connector having a plate shape in which a plurality of electrodes are arranged, and the first connector has a slot into which the male connector is inserted. The gist is that the female connector is provided.

  According to the seat of the present invention, the first connector which can be energized is disposed in the groove portion of the cushion pad, and the end portion of the retracting portion of the seat cover having the heater is connected to the first connector. Two connectors are attached, and the second connector is electrically connected to the heater. Since the second connector is coupled to the first connector, the seat cover is locked to the cushion pad, and the heater can be energized. With such a configuration, the attaching operation for attaching the seat cover to the cushion pad and the electrical connecting operation for the heater provided in the seat cover can be performed in one step. Furthermore, the number of parts required for the mounting operation can be reduced as compared with the conventional seat. As a result, as compared with the case where the work of attaching the seat cover and the electrical connection work of the heater are performed separately as in the conventional case, the work of assembling the seat becomes easier and the workability is improved.

  Further, when the second connector is a male connector having a plate shape in which a plurality of electrodes are arranged, and the first connector is a female connector having a slot into which the male connector is inserted, the assembly work of the sheet is easier. Thus, workability can be further improved. Further, since the connection is performed by such a connector, the retracting portion of the seat cover can be fixed to the groove portion of the cushion pad in a linear shape instead of a dot shape, and the finish can be made more uniform.

The present invention will be further described in the following detailed description with reference to the drawings referred to, with reference to non-limiting examples of exemplary embodiments according to the present invention. Similar parts are shown throughout the several figures.
It is a schematic diagram for demonstrating the structure of the sheet | seat which concerns on a present Example. It is a schematic diagram of the AA cross section in the sheet | seat of FIG. It is a partial cross section perspective view which shows the cushion pad of the sheet | seat which concerns on a present Example. It is a partial cross section perspective view which shows the seat cover of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the 1st connector of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the 2nd connector of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the 2nd connector of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the 2nd connector of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the 2nd connector of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the effect | action of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the effect | action of the sheet | seat which concerns on a present Example. It is explanatory drawing for demonstrating the seat cover of the sheet | seat which concerns on other embodiment. It is explanatory drawing for demonstrating the locking mechanism of the sheet | seat which concerns on other embodiment. It is explanatory drawing for demonstrating the 2nd connector which concerns on other embodiment.

  The items shown here are exemplary and illustrative of the embodiments of the present invention, and are the most effective and easy-to-understand explanations of the principles and conceptual features of the present invention. It is stated for the purpose of providing what seems to be. In this respect, it is not intended to illustrate the structural details of the present invention beyond what is necessary for a fundamental understanding of the present invention. It will be clear to those skilled in the art how it is actually implemented.

  The seat (100) according to the present embodiment is a seat including a cushion pad (1) having a groove (13), and a seat cover (2) that covers the cushion pad and has a heater (H). A first connector (3) that can be energized is disposed in the groove portion, and the seat cover has a retracting portion (23) that is retracted into the groove portion. A connectable second connector (4) is attached, the second connector is electrically connected to the heater, and the second connector is connected to the first connector so that the seat cover is locked to the cushion pad. In addition, the heater can be energized (see, for example, FIGS. 2 and 11).

  The structure, size, shape, material, etc. of the “cushion pad” are not particularly limited. This cushion pad is usually formed from a foamed resin. Examples of the material of the cushion pad include a thermosetting foam resin or a thermoplastic foam resin, and examples thereof include urethane foam, PE foam, and PP foam.

A groove is formed in the cushion pad. The size, number, cross-sectional shape, etc. of the groove are not particularly limited.
A first connector that can be energized is disposed in the groove. The configuration, number, arrangement, energization, etc. of the first connector are not particularly limited.
The first connector is usually provided to extend in the length direction at the bottom of the groove. In addition, this 1st connector may be arrange | positioned on the bottom face of a groove part, and may be embed | buried under the bottom part of a groove part.
The shape of the 1st connector should just be coupleable with the 2nd connector mentioned below, for example, can be considered as a male connector and a female connector (for example, refer to Drawing 5).
In addition, the first connector and the second connector may be provided with a lock mechanism for preventing the connector from being accidentally detached when coupled.
Furthermore, the first connector preferably includes a conductive member capable of energizing the first connector from the outside. Although the structure of this electrically conductive member is not specifically limited, For example, an electroconductive film (For example, refer to the electroconductive film 31 in FIG.1 and FIG.5) etc. are mentioned.

  The structure, size, shape, material and the like of the “seat cover” are not particularly limited. The seat cover can be made of, for example, woven fabric, knitted fabric, leather, synthetic leather, or the like. In addition, the seat cover may be one type or a combination of two or more types.

  The seat cover has a heater. This heater is, for example, a heater that is formed integrally with the seat cover, and is formed of a conductive yarn that generates heat by energizing a part of the yarn that constitutes the seat cover (for example, the heater H in FIG. 4). Reference) or a sheet-like heater formed separately from the seat cover and attached to the seat cover by bonding, sewing, or the like (see, for example, the heater H in FIG. 12). .

The seat cover has a lead-in portion that is drawn into the groove portion, and a second connector that can be coupled to the first connector is attached to an end portion of the lead-in portion. There are no particular restrictions on the configuration of the pull-in portion, the pull-in form, or the like.
Moreover, as long as the said 2nd connector is electrically connected with the said heater, the structure, number, arrangement | positioning form, etc. are not specifically limited.
The second connector is usually provided so as to extend in the length direction at the end of the drawing-in portion (see, for example, the second connector 4 in FIG. 7).
The shape of this 2nd connector should just be coupleable with the said 1st connector, for example, can be made into a male connector or a female connector.

  Here, in the seat according to the present embodiment, for example, the second connector is a male connector in which a plurality of electrodes are arranged to form a plate shape, and the first connector includes a slot for inserting the male connector. It can be set as the form which is a female connector (for example, refer the 1st connector 3 and the 2nd connector 4 in FIG. 10).

  Hereinafter, the present invention will be described more specifically with reference to the drawings. In this embodiment, a vehicle seat is exemplified as the seat according to the present invention.

(1) Configuration of Seat As shown in FIGS. 1 and 2, a vehicle seat 100 (hereinafter also simply referred to as a seat) includes a cushion pad 1 made of urethane foam, a seat cover 2 made by sewing a fabric, It has. As shown in FIG. 3, the cushion pad 1 includes a seat portion 11 on which an occupant sits, and side portions 12 provided on both sides of the seat portion 11. A groove 13 is formed between them. The first connector 3 is linearly embedded along the length of the bottom of the groove 13.
As shown in FIGS. 3 and 5, the first connector 3 is a female connector provided with a slot for inserting a male connector (second connector) described later. The first connector 3 is formed with a bite type locking portion 32 for locking the connection at both ends when the second connector 4 is connected. A conductive film (conductive member) 31 is formed on the bottom surface side of the first connector 3. The conductive film 31 is formed to the outside of the seat, and is connected to an ECU or the like of the vehicle by wiring (not shown). Thereby, the first connector 3 can be energized.

As shown in FIG. 4, the seat cover 2 includes a seating part cover 21 and a side part cover 22 that respectively cover the seating part 11 and the side part 12 of the cushion pad 1. The seat cover 21 and the side cover 22 are woven fabrics, and are integrated by sewing each end side. The seat cover 2 has a heater H. In the present embodiment, the heater H is a conductive yarn woven into the seat cover 21 and the conductive yarn is a metal wire that generates heat when energized. Further, the seat cover 2 is provided with a pull-in portion 23 that is pulled into the groove portion 13 of the cushion pad 1 at a portion where the seat portion cover 21 and the side portion cover 22 are sewn. A second connector 4 that can be coupled to the first connector 3 is attached to an end of the lead-in portion 23.
As shown in FIG. 7, the second connector 4 is a plate-shaped male connector in which a plurality of electrodes 42 are arranged on a substrate 41. In the second connector 4, the electrode 42 is electrically connected to the heater H that is a conductive yarn woven into the seat cover 21. 7A is a top view of the second connector 4, and FIG. 7B is an explanatory view of the XX cross section.
In the seat 100 of the present embodiment, the first connector 3 and the second connector 4 are coupled, so that the seat cover 2 is locked to the cushion pad 1 and the heater H can be energized. Has been.

The second connector 4 is formed as follows.
First, as shown in FIG. 8, the conductive yarn portion is peeled off by a laser or the like in the vicinity of the end portion of the fabric (the seat cover 21) in which the conductive yarn as the heater H is woven. Next, as shown in FIG. 9, the conductive yarn is disposed on the energized portion of the substrate 42, and the energized portion and the conductive yarn are connected by solder, bonding tape, or the like so that the electrode 42 is formed. Then, the 2nd connector 4 is formed by removing the surplus site | part of the fabric front-end | tip. However, (a) in FIG.8 and FIG.9 is a top view, (b) is explanatory drawing of a XX cross section.

(2) Operation of Sheet Next, the operation of the sheet having the above configuration will be described.
As shown in FIGS. 10 and 11, the second connector 4 at the end of the retracting portion 23 of the seat cushion 2 is coupled to the first connector 3 formed in the groove 13 of the cushion pad 1. Thus, the seat cover 2 is locked to the cushion pad 1, the first connector 3 including the conductive film 31 and the heater H are conducted through the second connector 4, and the heater H can be energized. Become.

(3) Effects of the Embodiment As described above, according to the seat 100 of the present embodiment, the first connector 3 that can be energized is disposed in the groove portion 13 of the cushion pad 1, and the seat cover 2 having the heater H is provided. A second connector 4 that can be coupled to the first connector 3 is attached to an end of the lead-in portion 23, and the second connector 4 is electrically connected to the heater H. Since the second connector 4 is coupled to the first connector 3, the seat cover 2 is locked to the cushion pad 1 and the heater H can be energized. With such a configuration, the attaching operation for attaching the seat cover 2 to the cushion pad 1 and the electrical connecting operation for the heater H provided in the seat cover 2 can be performed in one step. Furthermore, the number of parts required for the mounting operation can be reduced as compared with the conventional seat. As a result, as compared with the case where the work of attaching the seat cover and the electrical connection work of the heater are performed separately as in the conventional case, the work of assembling the seat becomes easier and the workability is improved.

  In the present embodiment, the second connector 4 is a male connector having a plate shape in which a plurality of electrodes 42 are arranged, and the first connector 3 is a female connector having a slot into which the male connector is inserted. Thus, the assembly work of the sheet can be easily performed, and the workability can be further improved. Further, since the connection is performed by such a connector, the retracting portion 23 of the seat cover 2 can be fixed to the groove portion 13 of the cushion pad 1 in a linear shape instead of a dot shape, and the finish can be made more uniform. it can.

  Further, in this embodiment, since the engagement type locking portions 32 for locking the connection with the second connector 4 at both ends are formed at both ends of the first connector 3, the connector is not mistakenly disconnected. Can be prevented.

In addition, in this invention, it can restrict to what is shown to said specific Example, It can be set as the Example variously changed within the range of this invention according to the objective and the use. That is, in the above embodiment,
Although the heater H is formed integrally with the seat cover 2 by the conductive yarn being woven into the seat cover 21, the present invention is not limited to this. For example, as shown in FIG. The formed planar heater H may be used. In this case, the heater H can be attached to the seat cover 2 by bonding, sewing, or the like, and the heater H is electrically connected to the second connector 4 by the wiring W.

  Further, in this embodiment, in order to prevent the connector from being accidentally detached, biting type locking portions 32 that can be locked at both ends of the second connector are formed at both ends of the first connector 3. The configuration of the locking mechanism is not limited to this, and for example, as shown in FIG. 13, a pushable button-type locking portion 32 formed at the end of the first connector 3 may be used. This button-type locking portion 32 can prevent the connector from being accidentally detached by engaging with the notch portion 43 formed at the end portion of the second connector 4 when the connector is coupled.

  Furthermore, in this embodiment, as shown in FIG. 14, the ECU 5 can be mounted on the substrate 41 of the second connector 4. In this case, the conventional wire harness related to the attachment of the ECU can be reduced. Furthermore, it is not necessary to secure the mounting position of the conventional ECU, and the degree of freedom in design can be improved.

  The foregoing examples are for illustrative purposes only and are not to be construed as limiting the invention. Although the invention has been described with reference to exemplary embodiments, it is to be understood that the language used in the description and illustration of the invention is illustrative and exemplary rather than limiting. As detailed herein, changes may be made in its form within the scope of the appended claims without departing from the scope or spirit of the invention. Although specific structures, materials and examples have been referred to in the detailed description of the invention herein, it is not intended to limit the invention to the disclosure herein, but rather, the invention is claimed. It covers all functionally equivalent structures, methods and uses within the scope.

  The present invention is not limited to the embodiments described in detail above, and various modifications or changes can be made within the scope of the claims of the present invention.

  The present invention can be widely used as a sheet provided with a heater. In particular, in addition to passenger cars, buses, trucks, etc., the present invention is suitably used for seats for vehicles such as trains, trains, and other railway vehicles, construction vehicles, agricultural vehicles, and industrial vehicles.

  DESCRIPTION OF SYMBOLS 1; Cushion pad, 11; Seat part, 12; Side part, 13; Groove part, 2; Seat cover, 21; Seat part cover, 22; Side part cover, 23; Retraction part, 3; Film, 32; locking part, 4; second connector, 41; substrate, 42; electrode, 43; notch, 5; ECU, 100; sheet, W;

Claims (2)

A cushion pad with a groove,
A seat covering the cushion pad and having a heater,
A first connector that can be energized is disposed in the groove,
The seat cover has a lead-in part that is drawn into the groove part,
A second connector that can be coupled to the first connector is attached to an end of the lead-in portion,
The second connector is electrically connected to the heater;
The seat, wherein the second connector is coupled to the first connector, whereby the seat cover is locked to the cushion pad and the heater is energized. The second connector is a male connector in which a plurality of electrodes are arranged in a plate shape,
The seat according to claim 1, wherein the first connector is a female connector having a slot into which the male connector is inserted.

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