JP4595163B2 - Sofa heater - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heater for a sofa used on a chair or a sofa.
[0002]
[Prior art]
As shown in FIG. 9, the conventional sofa heater has a configuration similar to that of an electric carpet used on the floor. In FIG. 9, 101 is a surface material, 102 is a heater wire, 104 is a heat insulating material made of felt or the like, and is integrated by an adhesive 103. Reference numeral 105 denotes a controller unit which controls energization of the heater wire and maintains the heater temperature at a set temperature.
[0003]
[Problems to be solved by the invention]
However, unlike electric carpets used on relatively hard floors, when used on a flexible object such as a sofa, the heater wire, which is a heating element, is likely to be stressed by the load from the top. There was a problem. Further, when used on a sofa, there is a problem that the controller unit may be injured on the sofa surface because it contacts the sofa. Unlike when used on the floor, when used on a sofa, there is a problem that a human being feels different between the seating surface and the back surface. In addition, since it is configured to be used on the floor surface, there is a problem that the main body does not have sufficient flexibility and is not easily adapted to the shape of the sofa. In addition, when used on a sofa, there is a problem that it easily slips down with use. In addition, since a cushion or the like is often placed on the sofa, there is a problem that the controller part is kept warm, the temperature inside the controller part rises and the control parts are damaged.
[0004]
The present invention solves the above-described conventional problems, and an object of the present invention is to provide a sofa heater used by being placed on the upper surface of a sofa or the like.
[0005]
[Means for Solving the Problems]
In order to solve the above-described conventional problems, a sofa heater according to the present invention includes a surface material, a heater unit fabric in which an upper fabric and a lower fabric are partially fixed with a binding yarn, and an interior of the heater unit fabric. Heater wires wired with a degree of freedom in the space divided by the binding yarns, and a back material fixed to the lower surface of the heater unit fabric in a sewing machine yarn in a plane at a position that does not interfere with the heater wires. becomes, the surface material is one from said heater unit cloth and the rear material which is integral with sewing thread fixed with only the outer peripheral portion, the heater wire that is to be connected via a connecting portion and a controller portion .
[0006]
As a result, the load stress applied to the heater wire inside the appliance, which is placed on the top surface of the sofa with high cushioning properties and used on the top surface, is dispersed and absorbed by the flexibility of the heater wire. Thus, the configuration is protected. In addition, since the stress on the surface material in the horizontal direction is fixed only at the outer periphery of the surface material, the integrated back surface material and the heater unit fabric, the surface material and the heater unit fabric are distributed with stress due to the sliding effect. by never applied to the heater wire is wired directly to the internal heater unit fabric. In addition, although the back material and the heater unit fabric are integrated, they are fixed only at a position that does not interfere with the heater wire, so that the stress applied in the horizontal direction of the back material does not directly apply to the heater wire. .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
According to the first aspect of the present invention, the surface material, the heater unit fabric in which the upper fabric and the lower fabric are partially fixed by the binding yarn, and the space divided by the binding yarn inside the heater unit fabric are free. A heater wire that is wired with a degree of freedom, and a back surface material that is fixed to the lower surface of the heater unit fabric in a planar shape at a position that does not interfere with the heater wire, and the surface material is integrated. the sewing thread fixed with only the outer peripheral portion and the back surface member and the heater unit dough by the heater wire is connected via a connecting portion and a controller portion, and the placing on the sofa top rich in cushioning properties, the The load stress applied to the heater wire inside the appliance applied by being placed on the upper surface is protected by the stress being dispersed and absorbed by the degree of freedom of the heater wire. Also, since the stress on the surface material in the horizontal direction is fixed only at the outer periphery of the surface material, the integrated back material and the heater unit fabric, the heater wire wired directly inside the heater unit fabric Never join. In addition, although the back material and the heater unit fabric are integrated, they are fixed only at positions that do not interfere with the heater wire, so that the stress applied in the horizontal direction of the back material is not directly applied to the heater wire. There is.
[0008]
The invention according to claim 2 comprises the cord port case for taking out and fixing the terminal portion of the heater wire to the heater unit fabric end in particular, and the cord port case is a surface Covering the inner side of the material and the back material end portion prevents the cord mouth case made of resin or the like from coming into direct contact with the sofa surface material and prevents the sofa surface material from being damaged.
[0009]
The invention according to claim 3 is particularly characterized in that the wiring of the heater wire according to claims 1 and 2 is dense at a position in contact with the sofa seat surface and sparse at a position in contact with the back surface of the sofa. With this, there is an effect that a suitable warm feeling can be obtained.
[0010]
The invention according to claim 4 uses a urethane foam having a relatively high foaming ratio of 30 to 50 times as a material for the back material according to claims 1 to 3, and on the urethane foam on the lower surface. By fixing the woven fabric with frame laminating, it is possible to provide a lightweight and highly heat-insulating structure, and to obtain an effect of ensuring durability against load stress and the like.
[0011]
The invention according to claim 5 is caused at the time of sitting while securing a substantial anti-slip effect by applying a non-slip process to the lower surface of the back material according to claims 1 to 4 only at a position in contact with the sofa seat surface. The friction noise between the non-slip material and the sofa can be reduced, and the amount of the anti-slip material used can be reduced.
[0012]
The invention according to claim 6 controls the energization according to the temperature inside the controller part according to claims 1 to 5 in particular, and even when the controller part is kept warm by a cushion or the like when used on a sofa or the like, the controller By maintaining the temperature of the part below a certain temperature, a highly reliable instrument can be obtained.
[0013]
According to the seventh aspect of the present invention, by attaching a controller fixing band for fixing the controller part to the corner part of the surface material near the connection part, temporary fixing when the controller part is not used is possible, and the controller part is obstructive when using the instrument. Not only does this occur, it is possible to prevent the controller unit from being inadvertently kept warm by a sofa or the like.
[0014]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0015]
Example 1
FIG. 1 is a perspective view of a sofa heater according to the first embodiment of the present invention. 2 is a partially cutaway plan view, and FIG. 3 is a cross-sectional view taken along line AA in FIG.
[0016]
In FIGS. 1, 2, and 3, 1 is a surface material, 2 is a heater unit fabric in which an upper fabric 2a and a lower fabric 2b are partially fixed by a binding yarn 2c, and the binding yarn 2c is in a tandem shape. Sewing at regular intervals. Reference numeral 3 denotes a heater wire, which is wired with a degree of freedom in a space divided by the binding yarn 2 c inside the heater unit fabric 2. Reference numeral 4 denotes a back material, on which the heater unit fabric 2 is integrated by fixing the sewing thread 5 at a position where it does not interfere with the heater wire 3. The back body 4, the heater unit fabric 2 outer peripheral portion, and the surface material 1 outer peripheral portion, which are integrated, are fixed to a sewing thread 6 to constitute an instrument body. Furthermore, the heater wire 3 can be connected to the controller unit 7 via the connection unit 13 to control the energization of the instrument body.
[0017]
The operation and action of the sofa heater configured as described above will be described below.
[0018]
As the name suggests, the sofa heater of the present invention is placed on the top surface of the sofa, which is rich in cushioning properties. However, load stress is always applied to the instrument body by using it on the upper surface. By adopting the configuration of the first embodiment of the present invention, the load stress applied to the heater wire 3 inside the appliance main body is dispersed and absorbed by the degree of freedom of the heater wire 3, so the heater wire 3 is protected from the load stress. Protected. Further, the stress in the horizontal direction applied to the surface material 1 is that the surface material 1, the integrated back material 4 and the heater unit fabric 2 are fixed only at the outer peripheral portion, so that the surface material 1 and the heater unit fabric 2 are fixed. Is not directly applied to the heater wire 3 wired inside the heater unit fabric 2 due to stress dispersion due to the sliding effect. In addition, although the back material 4 and the heater unit fabric 2 are integrated, the stress applied in the horizontal direction of the back material 4 is fixed only with a position where the back material 4 does not interfere with the heater wire 3. There is an effect that the sewing thread 5 is concentrated on the fixing portion and is not directly applied to the heater wire 3.
[0019]
(Example 2)
FIG. 4 is a connection part configuration diagram of the sofa heater according to the second embodiment of the present invention.
[0020]
The terminal portion 3a of the heater wire 3 is taken out and fixed to the end portion of the heater unit fabric 2 by the cord mouth case 9, and the cord mouth case 9 is configured to be covered inside the end portions of the surface material 1 and the back surface material 4. Yes. The terminal portion 3 a inside the cord mouth case 9 is connected to the controller portion 7 via the connector 8.
[0021]
Since the cord mouth case 9 made of resin is covered with the surface material 1 and the back material 4, the cord mouth case 9 does not directly contact the sofa surface material and damages the sofa surface material. The effect which prevents that is acquired.
[0022]
(Example 3)
FIG. 5 is a partially cutaway plan view of a sofa heater according to a third embodiment of the present invention.
[0023]
The heater wire 3 is configured to be dense at a position in contact with the sofa seat surface and sparse at a position in contact with the sofa back surface. Although it is well known that the human body has a different feeling of warmth at the site, the hips are relatively less susceptible to warmth, and the back is more warm than the hips. By adopting this configuration, there is an effect that a suitable feeling of warmth can be obtained in the human hip and back.
[0024]
In addition, the wiring direction of the heater wire 3 of this embodiment is wired in a direction orthogonal to the sofa seat surface. However, when wiring in the horizontal direction on the seat surface, the wiring pitch can be changed to change the same direction. An effect will be acquired.
[0025]
Example 4
FIG. 6 is a cross-sectional view of the back surface material of the sofa heater according to the fourth embodiment of the present invention.
[0026]
As the material of the back surface material 4, a foamed urethane 4a having a relatively high foaming ratio of 30 to 50 times the foaming ratio is used, and a woven cloth 4b is fixed to the lower surface of the foamed urethane by a frame laminate. .
[0027]
By adopting this configuration, it is possible to provide a heat insulating configuration that is lightweight and highly insulated, and to obtain an effect of ensuring durability against load stress and the like. In addition, when a non-flexible heat insulating material is used when placed on the top surface of the sofa, it is difficult to fit into the sofa shape and the usability is poor, but this configuration can make the main body structure rich in flexibility. Is.
[0028]
(Example 5)
FIG. 7 is a rear view of the sofa heater according to the fifth embodiment of the present invention. The bottom surface of the back material 4 is provided with anti-slip processing 10 only at a position in contact with the sofa seat surface. By sitting on the sofa, a force is applied to the appliance body that is displaced downward. In order to prevent the appliance body from slipping, it is only necessary to apply a non-slip process to the lower surface of the back surface material 4, but if applied to the entire surface, the frictional noise generated between the appliance body and the sofa during use is not very good. . By you with the configuration, while securing a substantial slip effect, in which attained the usage amount reduction of slip material together can be reduced fricatives between slip material and sofa occurring during seating.
[0029]
(Example 6)
A temperature detection sensor is inscribed inside the controller unit 7 shown in FIG. 1 and is configured to control energization based on the temperature inside the controller unit 7.
[0030]
When used on a sofa or the like, it is assumed that the controller unit 7 is often kept warm by a cushion or the like. However, even if the controller unit 7 is kept warm, the temperature of the controller unit 7 is kept below a certain temperature by the temperature detection sensor. By keeping the temperature at a high level, it is possible to prevent a temperature load on the control components inside the controller unit 7 and to provide a highly reliable instrument.
[0031]
(Example 7)
FIG. 8 is a front view of the sofa heater according to the seventh embodiment of the present invention.
[0032]
By attaching the controller fixing band 11 made of an elastic rubber band or the like that fixes the controller unit 7 to the corner portion 1a of the surface material 1 in the vicinity of the connection unit 13, temporary fixing when the controller unit 7 is not used becomes possible. The controller unit 7 does not get in the way when the instrument is used, and the usability is improved. In addition, the controller unit 7 has an effect of inadvertently being heated and heated by a cushion or the like, or reducing the chance of falling to the floor.
[0033]
The controller fixing band 11 that is fixed to a corner portion 1a of the surface material 1 and, a power cord 12 which performs an electrical connection constant margin from the controller 7 to the cord outlet casing 9, as shown in FIG. 8 Due to the length, the user can easily bring the controller unit 7 to the user's hand by pulling the controller unit 7 when using the controller unit 7.
[0034]
【The invention's effect】
As described above, according to the first to seventh aspects of the invention, the sofa heating appliance of the present invention is used by being placed on the sofa upper surface having a high cushioning property. Even if stress is applied, the load stress applied to the heater wire inside the appliance body is protected by the stress being dispersed and absorbed by the degree of freedom of the heater wire. In addition, the stress applied to the surface material in the horizontal direction is such that the surface material, the integrated back material, and the heater unit fabric are fixed only at the outer periphery. Thus, it does not directly add to the heater wire wired inside the heater unit fabric. In addition, although the back material and the heater unit fabric are integrated, they are fixed with the sewing thread only in a position where they do not interfere with the heater wire, so the stress applied in the horizontal direction of the back material is applied to the sewing thread fixing part. There is an effect that it concentrates and does not directly join the heater wire.
[0035]
As described above, even if it is used on a sofa, an effect that it can be used without damaging the heater wire provided in the appliance main body can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view of a sofa heater according to the first embodiment of the present invention. FIG. 2 is a partially cutaway plan view of the sofa heater. FIG. FIG. 4 is a cross-sectional view of a sofa heater in the appliance. FIG. 4 is a configuration diagram of a connecting portion of the AA sofa heater in FIG. 2. FIG. 5 is a partial cut of the sofa heater in the third embodiment of the present invention. FIG. 6 is a cross-sectional view of the back surface material of the sofa heater according to the fourth embodiment of the present invention. FIG. 7 is a back surface configuration diagram of the sofa heater according to the fifth embodiment of the present invention. ] Front view of a sofa heater according to a seventh embodiment of the present invention [FIG. 9] A perspective view of a conventional sofa heater [Description of reference numerals]
DESCRIPTION OF SYMBOLS 1 Surface material 2 Heater unit cloth 3 Heater wire 4 Back surface material 5 Sewing thread 6 Sewing thread 7 Controller part 13 Connection part

Claims (7)

Surface material,
A heater unit fabric in which the upper fabric and the lower fabric are partially fixed with binding yarns;
A heater wire wired with a degree of freedom in the space divided by the binding yarn inside the heater unit fabric,
On the lower surface of the heater unit fabric, it is composed of a back surface material that is fixed to a sewing thread in a plane at a position that does not interfere with the heater wire ,
The surface material, sewing thread fixed with only the outer peripheral portion and the heater unit cloth and the rear material which is integral,
The heater wire is a heating appliance for a sofa that is connected to a controller unit that controls energization of the heater wire via a connection unit.   2. The sofa according to claim 1, wherein the connecting portion comprises a cord mouth case for taking out and fixing the heater wire end portion to the end portion of the heater unit fabric, and the cord mouth case is covered inside the front surface material and the back surface material edge portion. Heating equipment.   The heater for a sofa according to claim 1 or 2, wherein wiring of the heater wire is dense at a position in contact with the sofa seat surface and sparse at a position in contact with the sofa back surface.   The back material is made of urethane foam having a relatively high expansion ratio of 30 to 50 times, and a woven fabric is fixed to the lower surface of the urethane foam with a frame laminar. The heating apparatus for sofas of any one of Claims.   The heating device for sofas according to any one of claims 1 to 4, wherein the lower surface of the back material is subjected to anti-slip processing only at a position in contact with the sofa seat surface.   The controller for a sofa according to any one of claims 1 to 5, wherein the controller unit controls energization to the heater based on the temperature inside the controller unit.   The sofa heater according to any one of claims 1 to 6, wherein a controller fixing band for fixing the controller portion is attached to a corner portion of the surface material in the vicinity of the connecting portion.

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