JP2567055Y2 - Seat heater mounting structure - Google Patents

Description

[Detailed description of the invention]

[0001]

In the present invention, a belt-like pulling portion provided on the back side of a trim cover is drawn into a groove formed in a seat pad, and the pulling portion is embedded along the bottom of the groove. The present invention relates to a mounting structure of a seat heater interposed between a seat pad and a trim cover in a seat fixed to an insert wire and having a trim cover attached along the surface of the seat pad.

[0002]

2. Description of the Related Art Conventionally, as a mounting structure of a seat heater of this type, there is, for example, one shown in FIGS.

[0003] As shown in FIG. 4, a seat heater 4 interposed between a seat pad 2 and a trim cover 3 constituting a seat cushion 1 includes a thermostat section 5 mounted on a rear end side of the seat pad 2. And a heating element 7 including a heating wire 6 extending forward from the thermostat section 5 and extending in a horizontal direction so as to cover a central portion of the seat pad 2.

As shown in FIG. 5, a pull bag 3a extending in both directions is hung on the back side of the trim cover 3 which is placed over the seat heater 4, and a stop wire 8 is inserted through the pull bag 3a. Then, the stopper wire 8 is pulled into the concave groove 2a provided in the seat pad 2 together with the pulling bag 3a. Then, the stop wire 8 is fixed to the insert wire 9 buried in the bottom of the concave groove 2a with an ohmic clip 8a.

[0005]

In such a conventional seat heater mounting structure, the stop wire 8 in the pull bag 3a is provided.
As a result, the heating wire 6 of the heating element 7 drawn into the concave groove 2a of the seat pad 2 intersects with the insert wire 9 at the bottom of the concave groove 2a. Accordingly, since the insert wire 9 interferes with the heating wire 6, when the seat wire 1 is strongly seated on the seat cushion 1 or the like, the heating wire 6 is strongly pulled downward while being sandwiched between the insert wire 9 and the stop wire 8. There was a risk of disconnection.

The present invention has been made in view of such a conventional problem, and there is no possibility that the heating wire of the seat heater is broken, and the seat heater is placed between the seat pad and the trim cover. It is an object of the present invention to provide a seat heater mounting structure that can be interposed.

[0007]

The gist of the present invention for achieving the above object is to provide a trim cover (4).
The belt-like pulling part (43) provided on the back side of (0) is drawn into the concave groove (32) formed in the seat pad (30),
The seat in which the pulling portion (43) is fixed to an insert wire (34) embedded along the bottom of the groove (32), and a trim cover (40) is attached along the surface of the seat pad (30). The seat heater (50) interposed between the seat pad (30) and the trim cover (40)
In the mounting structure of (1), the seat heater (50) is provided with a heating wire (5) extending on the surface of the seat pad (30).
(3) an insert wire (34) having a heating wire (53) located just below a position where the heating wire (53) overlaps the pulling portion (43);
By cutting off a part of the sheet heater (50), an interference avoiding notch (35) for cutting off the middle of the insert wire (34) extending along the concave groove (32) is formed.
Pull part (43) of trim cover (40) with part of
Into the groove (32) of the seat pad (30),
A heating wire (5) that can cross the insert wire (34)
A seat heater (50) characterized in that the part (3) is passed through the interference avoiding notch (35) and the pulling part (43) is fixed to the insert wire (34). In the mounting structure.

[0008]

When the seat heater (50) is attached to, for example, a vehicle seat (10), first, the vehicle seat (1) is mounted.
0) The seat heater (50) is placed on the surface of the seat pad (30) which constitutes etc. At this time, the seat heater (5) corresponding to the concave groove (32) of the seat pad (30).
The heating wire (53) of (0) is arranged so as to be located directly above the notch (35) for avoiding interference of the insert wire (34) embedded along the bottom of the groove (32).

Next, the pulling portion (43) provided on the back surface side of the trim cover (40) is wound around a part of the seat heater (50) on the concave groove (32) of the seat pad (30). If the pulling portion (43) is fixed to the insert wire (34) after being pulled into the concave groove (32), the trim cover (40) is mounted along the surface of the seat pad (30).

As a result, the seat heater (50) is interposed between the seat pad (30) and the trim cover (40) and attached to the vehicle seat (10). In this case, the heating wire (53) of the seat heater (50) drawn into the concave groove (32) of the seat pad (30) passes through the inside of the interference avoiding notch (35) that divides the middle of the insert wire (34). The heating wire (53) of the seat heater (50) is moved to the seat pad (30).
Does not interfere with the side insert wire (34). Therefore,
Heating wire (5
There is no risk of disconnection in 3).

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention.
As shown in FIGS. 1 and 2, a seat cushion 20 constituting the vehicle seat 10 supports a seat surface portion 21 directly supporting a seated person's buttocks, and a lateral load of the seated person on both sides of the seat surface portion 21. It has each part of both sides 22,22.

Such a seat cushion 20 is formed by attaching a trim cover 40 to the surface of a seat pad 30 formed by foaming urethane foam or the like. , A seat heater 50 is interposed.

The seat heater 50 includes a seat cushion 2.
Thermostat part 51 arranged at the rear of the seat surface part 21 of 0
And a heating element 52 extending forward from the thermostat section 51 and disposed near the center of the seat section 21. The heating element 52
The heating wire 53 is bent in a meandering shape in the rectangular flame-retardant fiber 53 and developed in the horizontal direction.
Numeral 1 controls the temperature of the heating element 52. A harness 54 extends rearward from the rear end of the thermostat section 51, and a plug 55 is connected to a front end of the harness 54.

At the boundary between the side portion 22 of the seat cushion 20 and the seating surface portion 21, a vertical recessed portion 23 extending in the front-rear direction is formed.
Lateral recess 2 extending in both directions so as to straddle heating element 52
4 are provided. As shown in FIGS. 2 and 3, the trim cover 40 is retracted into the seat surface forming portion 31 of the seat pad 30 corresponding to the seat surface portion 21 of the seat cushion 20 to provide the vertical retraction portion 23 and the horizontal retraction portion 24. Concave grooves 32 and 33 are formed.

At the bottom of the grooves 32, 33, an insert wire 34 bent in a substantially rectangular shape is provided.
It is buried so as to extend in a straight line in the inside 2 and 33. A part of the insert wire 34 at a position overlapping the heating wire 53 crossing the concave groove 32 is cut off. Thereby, the concave groove 3
An interference avoiding notch 35 is formed that divides the middle of the insert wire 34 extending linearly along 2. As will be described later, the groove 3 is formed together with the pulling portion 43 of the trim cover 40.
The heating wire 53 of the heating element 52 drawn into the inside 2 is arranged so as to pass through the notch 35 for avoiding interference.

The trim cover 40 mounted along the surface of the seat pad 30 has a main cover 42 that covers the seat surface forming portion 31 of the seat pad 30 according to the shape of the seat pad 30, and a side portion of the seat pad 30. The side covers 41, 41 corresponding to 22 are integrally sewn.

A pulling portion 43 is provided at a portion corresponding to the concave groove 32 of the seat pad 30 on the back surface side of the main cover 42.
A pulling bag 44 having an annular cross section is sewn to the pulling portion 43. Stop wire 45 is attached to pull bag 44
Is inserted. As shown in FIG. 3, the stop wire 45 is drawn into the groove 32 so as to wind around a part of the heating element 52 that covers the groove 32 of the seat pad 30, and as shown in FIG. It is fixed to the insert wire 34 via the clip 46.

Next, the operation will be described. As shown in FIG.
When attaching the seat heater 50 to the seat cushion 20 of the vehicle seat 10, first, the heating element 52 of the seat heater 50 and the thermostat portion 51 are placed on the seat surface forming portion 31 of the seat pad 30. At this time, the heating wire 53 in the heating element 52 of the seat heater 50 intersecting with the concave groove 32 of the seat pad 30 is located directly above the interference avoiding notch 35 of the insert wire 34 embedded in the bottom of the concave groove 32. Arrange as follows.

Next, as shown in FIG.
The pull bag 44 sewn to the pull portion 43 of the seat pad 3
The heating wire 52 that covers the groove 32 is drawn into the groove 32 so as to be rolled up, and the stop wire 45 inserted through the pull bag 44 is inserted into the ohmic clip 4 by the insert wire 34.
Stop at 6.

As described above, the pulling portion 43 on the rear surface side of the main cover 42 is pulled into the concave groove 32 of the seat pad 30 and fixed, so that the seating surface portion 21 of the seat cushion 20 extends across the heating element 52. The horizontal recess 24 is formed at the bottom.

As shown in FIG. 1, when the trim portion 40 is mounted on the surface of the seat pad 30 while forming the horizontal recess portion 24 and the vertical recess portion 23, the seat heater 50 can be used. And trim cover 40
And is attached to the seat cushion 20.

The pulling bag 44 of the trim cover 40 does not need to be divided so as to evade the heating wire 53 of the seat heater 50. As shown in FIG. 2 and FIG. The pulling portion 43 of the cover 40 can be evenly drawn into the concave groove 32 of the seat pad 30, whereby the horizontal pulling portion 2 formed on the seat surface portion 21 can be drawn.
No unevenness is formed on No. 4.

In this case, the heating wire 53 of the heating element 52 drawn into the concave groove 32 of the seat pad 30 passes through the interference avoiding notch 35 that divides the middle of the insert wire 34 as shown in FIG. In such a state, the heating wire 53 of the seat heater 50 does not interfere with the insert wire 34 on the seat pad 30 side. Therefore, there is no possibility that the heating wire 53 is broken due to interference with the insert wire 34. In the seat heater mounting structure according to the embodiment, the seat pad of the seat cushion constituting the vehicle seat is described. However, the present invention can be applied to a seat pad of a seat back, for example, a sofa of a reception set, etc. Can be used.

[0024]

According to the seat heater mounting structure of the present invention, a part of the insert wire located just below the heating wire drawn into the concave groove of the seat pad together with the trim cover is cut out to form a notch for avoiding interference. Therefore, the heating wire of the seat heater does not interfere with the insert wire on the seat pad side, and the risk of disconnection of the heating wire can be prevented beforehand.

[Brief description of the drawings]

FIG. 1 is a perspective view of a seat cushion equipped with a seat heater according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG. 1;

FIG. 4 is a perspective view showing a conventional seat heater mounting structure.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Vehicle seat 20 ... Seat cushion 24 ... Lateral pulling part 30 ... Seat pad 31 ... Seat surface forming part 32 ... Concave groove 34 ... Insert wire 35 ... Notch for avoiding interference 40 ... Trim cover 41 ... Side cover 42 ... Main cover 44: Pulling part 45: Stop wire 50: Seat heater 51: Heating element 53: Heating wire

Claims (1)

(57) [Scope of request for utility model registration] 1. A strip-shaped pulling portion provided on the back side of a trim cover is drawn into a groove formed in a seat pad, and the pulling portion is fixed to an insert wire embedded along the bottom of the groove. In a mounting structure of a seat heater interposed between the seat pad and the trim cover in a seat having a trim cover attached along the surface of the seat pad, the seat heater is configured to be deployed on a surface of the seat pad. A notch for avoiding interference that cuts off a part of the insert wire that extends along the concave groove by cutting off a part of the insert wire that has a heating wire and the heating wire overlaps with the pulling portion. The pulling part of the trim cover is drawn into the concave groove of the seat pad together with a part of the seat heater, and the middle of the heating wire that can cross the insert wire is formed. By placement into a state of being passed through a serial interference avoidance cutout mounting structure of a seat heater, characterized in that it has secured the puller to insert wire.