JP2001275890A - Heating stool seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating stool seat capable of efficiently heating a stool seat with the simple structure and easily washing the stool seat. SOLUTION: A heating stool seat 1 to be fitted to a stool seat main body 2 is provided with a base part 3 and a seat part 4 formed freely to be separated. The base part 3 is provided with a heater 5 and while the seat part 4 is provided with a heat radiator 7. A heat transfer part 6 of the heater 5 and a heat receiver part 8 of the heat radiator 7 are connected to each other freely to be disconnected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating toilet seat which can be installed on an upper surface of a toilet body to heat the toilet seat.

[0002]

2. Description of the Related Art In recent years, a heated toilet seat that warms a toilet seat by warming the toilet seat together with a flush toilet seat that jets water or warm water to wash the toilet seat has become extremely popular.
The heated toilet seat warms the toilet seat on which the user sits, and is intended to warm the buttocks of the user who is in contact with the toilet seat in the cold season and to perform the toilet comfortably. Here, the heated toilet seat includes a seat located on the upper surface of the toilet bowl at the front of the toilet body, and a base located on the upper surface continuous to the rear end of the toilet bowl. The seat is rotatably connected.

[0003] One of the general heating toilet seats is one in which a heating wire that generates heat when energized is buried in the seat. In this method, electric wiring is extended from a base to supply electricity to the heating wire, and is electrically connected to the heating wire. Then, the seat is warmed by the heating wire generating heat when energized.

[0004] For example, FIG.
No. 28), an electromagnetic coil 26 is buried inside a toilet body 2 ', a heating element 5' is provided at a base 3 'of a heating toilet seat 1', and a radiator 7 'is further provided at a seat 4'. It extends integrally from the base 3 '. This is the electromagnetic coil 26
The electromagnetic coil 26 generates an AC magnetic field by passing an AC current through the heater, and the heater 5 'is heated by electromagnetic induction, and heat is transmitted from the heater 5' to the radiator 7 'to warm the seat 4'. .

[0005]

However, in the heating toilet seat of the former configuration, the electric wiring extending from the base is located between the base and the seat, and the electric wiring and the heating wire are electrically connected. Therefore, there is a risk of short-circuiting of electrical wiring and electrical connection due to water, which is inevitable as long as the toilet handles water, and it is not easy to clean the device of the heated toilet seat. was there.

[0006] In the heating toilet seat of the latter configuration, the electric wiring and the electric connection are provided in the portion of the electromagnetic coil 26, that is, the electric wiring and the electric connection are arranged inside the toilet body 2 '. Since there is no electrical wiring and electrical connection between the 3 ′ and the seat 4 ′, the risk of short circuit of the electrical wiring and electrical connection due to water is reduced, and the heating toilet seat 1 ′ is cleaned. It can also be done easily. However, embedding the electromagnetic coil 26 in the toilet main body 2 'involves complicated manufacturing, and cannot be retrofitted to the toilet main body 2' in which the electromagnetic coil 26 is not embedded. In addition, since the heating element 5 'is heated by electromagnetic induction by the electromagnetic coil 26, there is a problem that energy loss occurs between the electromagnetic coil 26 and the heating element 5', resulting in poor efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has been made to simplify the structure and efficiently heat the toilet seat.
Moreover, an object of the present invention is to provide a heating toilet seat that can easily clean the toilet seat.

[0008]

According to a first aspect of the present invention, there is provided a heating toilet seat according to the present invention, comprising a base 3 and a seat 4 in which a heating toilet seat 1 attached to a toilet body 2 is configured to be separable. The heat generating element 5 is provided on the base 3 and the heat radiating element 7 is provided on the seat 4, and the heat transfer section 6 of the heat generating element 5 and the heat receiving section 8 of the heat radiating element 7 are detachably connected. And Thus, heat transfer from the heating element 5 to the heat radiating element 7 is performed by the physical contact between the heat transfer section 6 of the heating element 5 and the heat receiving section 8 of the heat radiating element 7. Since the seat portion 4 can be efficiently heated with less energy loss than that using a coil, and the seat portion 4 is merely provided with a simple radiator 7 without electric wiring or the like. The cleaning of the seat 4 can be performed without paying attention to the short circuit of the electric wiring.

Further, in the heating toilet seat according to claim 2 of the present invention, in claim 1, the heat radiator 7 is constituted by the heat pipe 9, and the heat radiator 7 is connected to the end portion of the heat radiator 7 from the seat 4 to the base 3. The portion protruding toward the base portion is referred to as a heat receiving portion 8, and the heat transfer portion 6 is disposed in a recess 10 provided at an end of the base 3 facing the seat portion 4 so as to face the seat portion 4. It is characterized in that it is inserted into the place 10 and connected to the heat transfer section 6. Thereby, the radiator 7
The use of the heat pipe 9 improves the performance of the heat radiator 7, and the heat receiving portion 8 and the heat transfer portion 6 are connected in the concave portion 10 located inside the base 3, so that the heat generating member 5 and the heat Body 7
Is not exposed to the outside, thereby reducing the heat loss of the heat transfer from the heat transfer section 6 to the heat receiving section 8 and avoiding the danger of touching the heating element 5 and the radiating element 7. Is what you can do.

In the heating toilet seat according to a third aspect of the present invention, the heat transfer section 6 is connected to the heat receiving section 8 so that the connection between the heat receiving section 8 and the heat transfer section 6 is maintained. It is characterized by being energized. Thereby, when the heat receiving unit 8 is connected to the heat transfer unit 6, the heat transfer unit 6 urges the heat receiving unit 8.
The heat receiving portion 8 and the heat transfer portion 6 are tightly fixed to each other to support the load, and the base portion 3 and the seat portion 4 can be firmly connected. In addition, heat from the heat transfer portion 6 to the heat receiving portion 8 can be obtained. It is possible to reduce the heat loss that occurs during the movement.

According to a fourth aspect of the present invention, there is provided a heating toilet seat according to the third aspect, wherein the heat receiving portion 8 is constituted by an end 9a of the heat pipe 9, and the heat transfer portion 6 is constituted by a coil spring 11.
The inner diameter d of the coil spring 11 is formed to be smaller than the outer diameter D of the heat receiving section 8, and the heat receiving section 8 is inserted into the inner diameter d of the coil spring 11 and elastically contacted by the coil spring 11. Thus, the end 9a of the heat pipe 9 as the heat receiving section 8 can be reliably elastically contacted with the coil spring 11 as the heat transfer section 6 with a simple structure with a reduced number of components. Further, since the coil spring 11 is formed of a wire, the number of components can be further reduced by using the heater wire 23 as the wire.

Further, in the heating toilet seat according to claim 5 of the present invention, in claim 3, the heat receiving portion 8 is constituted by an end 9a of a heat pipe 9 formed in a plate shape, and the heat transfer portions 6 are arranged in parallel. The heat receiving portion 8 is inserted between the pair of leaf springs 12 and 12 to form a pair of leaf springs 12 and 12.
12 is characterized by being sandwiched. This allows
Compared with a heating toilet seat using a coil spring 11, a pair of plate springs 12 and 12 as the heat transfer unit 6 and an end 9a of a plate-shaped heat pipe 9 as the heat receiving unit 8 are flush with each other. As a result, they can be brought into close contact with no gap, so that the fitting property between the pair of leaf springs 12 and 12 and the end 9a of the heat pipe 9 formed in a plate shape is improved, and the heat is generated at the time of heat transfer. Heat loss can also be reduced.

According to a sixth aspect of the present invention, there is provided a heating toilet seat according to the first aspect, wherein a detecting means for confirming whether or not the heat generating element 5 and the heat radiating element 7 are connected to each other; When the connection with the body 7 is confirmed, the heating element 5
And a control means for not energizing the heating element 5 when the connection between the heating element 5 and the heat radiating element 7 is not confirmed. Accordingly, the heating element 5 is not heated when the heat transfer section 6 and the heat receiving section 8 are not connected, and heat is generated by heating the heating element 5 having a smaller heat radiation amount than the heating amount. It is possible to avoid the danger that the temperature of the heat generating element 5 is accumulated unilaterally and rises unilaterally.

A heating toilet seat according to claim 7 of the present invention is characterized in that, in claim 1, the heat transfer section 6 and the heat receiving section 8 are supported by the base 3 and the seat 4, respectively, by the heat insulating material 24. And Thereby, loss of heat to the outside can be prevented.

According to a eighth aspect of the present invention, in the heating toilet seat according to the fourth aspect, the uneven surface 14 having the same pitch is formed on the surface of the inner diameter d of the coil spring 11 and the surface of the end 9a of the heat pipe 9 respectively. It is characterized by. Thereby, the contact area between the inner diameter d of the coil spring 11 and the end 9a of the heat pipe 9 as the heat receiving portion 8 can be increased, and the heat transfer from the heat transfer portion 6 to the heat receiving portion 8 can be performed efficiently. It is.

According to a ninth aspect of the present invention, in the heating toilet seat according to the first aspect, the connection between the heat transfer section 6 and the heat receiving section 8 is performed via a semi-solid lubricant 15 having good heat conductivity. It is characterized by being performed. As a result, when the semi-solid lubricant 15 having good thermal conductivity is applied to the heat transfer section 6 or the heat receiving section 8 and the heat transfer section 6 and the heat receiving section 8 are joined, the heat transfer section 6 and the heat receiving section 8 are joined together. The lubricant 15 having good thermal conductivity can be buried in a minute gap between the heat transfer section 6 and the heat receiving section 8 generated when the heat transfer section 8 and the heat transfer section 8 are combined. The heat transfer can be made efficient with little loss.

According to a tenth aspect of the present invention, in the heating toilet seat according to the first aspect, the connection between the heat transfer section 6 and the heat receiving section 8 is performed via a thin sheet 16 having good thermal conductivity and elasticity. It has been characterized. Accordingly, when the heat transfer unit 6 and the heat reception unit 8 are coupled with the elastic thin sheet 16 interposed between the heat transfer unit 6 and the heat reception unit 8, when the heat transfer unit 6 and the heat reception unit 8 are coupled to each other. The small gap between the heat transfer section 6 and the heat receiving section 8 generated in the thin sheet 1 having good thermal conductivity and elasticity
6, and can transfer heat from the heat transfer section 6 to the heat receiving section 8 efficiently with little loss. In addition, since the fitting condition becomes tight, the connection between the heat transfer section 6 and the heat receiving section 8 is strengthened.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

FIGS. 1 to 5 show an embodiment of the present invention. In the following description, the direction setting refers to the direction based on the user sitting on the seat of the heating toilet seat, and FIG.
The direction of the solid arrow shown in FIG. 4 is the front-back direction, and the direction of the dotted arrow is the left-right direction.

As shown in FIG. 3, the heating toilet seat 1 includes a base 3, a seat 4, and a cover 17, and the seat 4 and the cover 17 are rotatably mounted on the base 3. It is what is being done. The base 3 is intended to be a pair of base connectors piece 3b for connection to the connecting part 3a _1, 3a ₁ of the left and right ends of the base foundation piece 3a and the base foundation piece 3a formed over the right and left, and 3b. The base foundation piece 3a is coupling portion 3a ₁ of the right and left ends, 3a ₁ pair of base connectors piece 3b with forwardly projecting, since 3b protrudes forward from the connecting part 3a _1, 3a _1, the left and right ends of the base 3 Are formed in a U-shape as viewed from above so as to protrude forward. Here, at the center in the left-right direction, the connecting portions 3a ₁ ,
3a ₁ and a pair of base connectors piece 3b, in which the groove portion 25 is formed so as to be sandwiched 3b. Base base piece 3
A shaft hole 19 is formed in the connecting portions 3a ₁ , 3a ₁ at both left and right ends of the line a through the groove 25 on the same axis extending in the left-right direction. On the other hand, a shaft hole 20 corresponding to the shaft hole 19 is also formed in the base connecting piece 3b in the left-right direction. Further, the lid portion 17 is formed in a flat plate shape, and a connecting portion 17a is protruded at the center of the rear end in the left-right direction, and the connecting portion 17a also corresponds to the shaft hole 19 in the left-right direction. A shaft hole 21 is provided. The pair of base connectors piece 3b to the connecting portion 3a _1, 3a ₁ of the base foundation piece 3a, along with positioning the 3b groove 25
The connecting part 17a of the lid part 17 is located at
9, 20, 21 are positioned on the same axis, and shaft holes 19, 2
By inserting the rotating shaft 22 into the base base pieces 3, 0, 21.
The base connecting piece 3b and the lid 17 are rotatably mounted with respect to a. As will be described later, the seat 4 is connected to the pair of base connecting pieces 3b, 3b, and the seat 3 is connected to the base 3 in a state where the seat 4 is connected to the pair of base connecting pieces 3b, 3b. On the other hand, the lid 17 and the seat 4 are rotatably mounted.

As described above, the pair of base connecting pieces 3b, 3b are connected to the connecting parts 3a ₁ , 3a ₁ at the left and right ends of the base base piece 3a.
Are connected at the rear end. On the other hand, the front ends of the pair of base connecting pieces 3 b are connected to the seat 4 at the front ends. Hereinafter, the configuration of the connection between the base connection piece 3b and the seat 4 will be described in detail.

The seat portion 4 is formed in an elliptical band shape having substantially the same shape as the edge of the toilet bowl 18 so as to extend over the upper surface of the edge of the toilet bowl 18 located at the front part of the toilet body 2. A radiator 7 for warming the seat 4 is embedded in the seat 4, and a heat receiving unit 8 that receives heat from a heating element 5 described later is formed in a part of the radiator 7. In this example, as shown in FIGS. 1 and 2, a heat pipe 9 is used as a heat radiator 7, and an oval belt-shaped seat 4 excluding a rear end portion is used.
A U-shaped heat pipe 9 is buried throughout the inside. The left and right ends 9a, 9a of the U-shaped heat pipe 9 project rearward from the rear ends of the left and right ends of the seat 4 rearward in substantially parallel to the front-rear direction.
End 9 of heat pipe 9 projecting rearward from seat 4
a is the heat receiving unit 8 of this example. At the rear end of the seat portion 4 from which the heat pipe 9 projects, a heat insulating material 24 is provided on the periphery of the heat pipe 9 to support the heat pipe 9 on the seat portion 4 and perform positioning. The heat insulating material 24 uses, for example, styrene foam.

On the other hand, a recess 10 is formed in the base connecting piece 3b with an opening positioned at the front end of the base connecting piece 3b.
A heating element 5 and a limiter switch 13 are provided at the back of the recess 10 when viewed from the opening, and a heat transfer section 6 connected to the heating element 5 is provided near the opening. Here, the heating element 5 is for heating in a state of being energized, and the heat transfer section 6 is connected to the heat receiving section 8 to apply heat of the heating element 5 to the radiator 7 as described later. In this example, the heater wire 23 is used as the heating element 5, and the heater wire 2 is used.
3 is formed in the shape of a coil spring.
It is what it is. The coil spring 11 can be elastically deformed from its shape so as to expand and contract the diameter of the inner diameter d, and the inner diameter d of the coil spring 11 is set to be smaller than the outer diameter D of the heat pipe 9 in a natural state. Shall be used. The coil spring 11 is disposed in the front-rear direction with the inner diameter d facing the opening at the front end. A heat insulating material 24 is provided on the outer peripheral edge of the coil spring 11 near the opening at the front end to support the coil spring 11 on the base connecting piece 3b. And positioning is performed. In addition, the limiter switch 13 detects the connection between the heat transfer unit 6 and the heat receiving unit 8,
When the connection between the heat transfer section 6 and the heat receiving section 8 is confirmed, the heating element 5 is energized. When the connection between the heat transfer section 6 and the heat receiving section 8 is not confirmed, the heating element 5 is not energized. A switch having detection means and control means.

The seat 4 constructed as described above is connected to the pair of base connecting pieces 3b, 3b. In this case, the heat transfer section 6 and the heat receiving section 8 are connected to each other. It is. As described above, in this example, the seat portion 4 is used as the heat transfer portion 6.
At the rear ends of both the left and right ends of the heat pipe 9, both ends 9a, 9a
Are projected rearward, and the inner diameter d of the coil spring 11 faces the front end of the base connecting piece 3b as the heat receiving portion 8. When the seat 4 is connected to the pair of base connecting pieces 3b, 3b, the rear end of the seat 4 abuts against the front ends of the pair of base connecting pieces 3b, 3b, and the heat pipe 9 of the seat 4 is connected. Of both ends 9a, 9a of a pair of base connecting pieces 3
b and 3b are inserted into the inner diameters d and d of the coil springs 11 and 11, respectively. Here, since the inner diameter d of the coil spring 11 is smaller than the outer diameter D of the heat pipe 9 as described above, when the end 9 a of the heat pipe 9 is inserted into the inner diameter d of the coil spring 11, The coil spring 11 is pushed in so as to expand the inner diameter d. The end 9a of the heat pipe 9 inserted into the inner diameter d of the coil spring 11 is elastically deformed by the elastically deformed coil spring 11 and firmly fixed. in this way,
Since the connection between the seat 4 and the pair of base connection pieces 3b, 3b is performed by the connection between the coil springs 11, 11 and both ends 9a, 9a of the heat pipe 9, the seat 4 and the base connection piece 3b are connected.
At the same time as the mechanical connection of b and 3b, it also plays a role of thermal connection as the heat transfer section 6 and the heat receiving section 8. Further, since the coil springs 11, 11 and the ends 9a, 9a of the heat pipe 9 are merely connected by elastic contact, the base 3
The attachment and detachment of the seat 4 to and from the seat 4 can be repeated and simple. For example, when the seat 4 is washed, the seat 4 can be easily removed and washed. Since there is no electrical wiring or the like and only the heat pipe 9 is buried, there is no need to pay attention to short-circuiting of the electrical wiring even during cleaning.

As described above, the seat portion 4 and the lid portion 17 are rotatably attached to the base portion 3, and the heating toilet seat 1 thus formed is, as shown in FIG. 2 is attached to the upper surface of the second. More specifically, the seat 4 of the heated toilet seat 1 is placed on the upper surface of the toilet bowl 18 located at the front of the toilet body 2, and the base 3 is placed on the upper surface of the toilet body 2 behind the toilet bowl 18. The base 3 and the toilet body 2 are fixed with bolts or the like. Also, the lid 1
Numeral 7 is located on the upper part of the seat part 4, and the toilet bowl 1
The opening 8a is rotated up and down so as to close the opening 18a surrounded by the edge portion 8 and the oval band-shaped seat portion 4, and is opened and closed.

When electricity is supplied to the heating toilet seat 1, the heater wire 23 as the heating element 5 heats up, the coil spring 11 formed by the heater wire 23 heats, and the end of the heat pipe 9 connected to the coil spring 11. Reference numeral 9 a denotes a member for transmitting heat generated by heating the coil spring 11 to the heat pipe 9.
The heat supplied from the end 9a of the heat pipe 9 is such that the heat pipe 9 moves over the entire heat pipe 9 via the internal working fluid (heat transport medium). Heat is released to the seat 4 to warm the seat 4. The characteristics of the heat pipe 9
Since the temperature distribution can be made substantially uniform throughout the entirety, the entire seat portion 4 can be uniformly heated. The end 9a of the heat pipe 9 and the coil spring 11
When the heater wire 23 is not connected to the heater wire 23, the heat radiation amount is smaller than the heating amount of the heater wire 23, and there is a risk that the temperature of the heater wire 23 may increase unilaterally. Since the heating toilet seat 1 is provided with the limiter switch 13, the end 9a of the heat pipe 9 and the coil spring 11
When the connection is not made, the electricity supplied to the heater wire 23 is cut off, and the heating of the heater wire 23 is stopped to avoid a one-sided temperature rise of the heater wire 23.

Hereinafter, another example of the embodiment will be described. Since other examples of the following embodiments are obtained by partially changing the examples of the above-described embodiments, the description of the overlapping parts will be omitted, and differences will be mainly described.

As another example of the embodiment, the heating element 5 and the heat transfer section 6 are connected by using separate members such as the heater wire 23 as the heating element 5 and the coil spring 11 as the heat transfer section 6. Is also preferred.

As still another example of the embodiment, the one shown in FIG.
Is formed. The inner diameter d of the coil spring 11 formed by making the wire spiral is naturally uneven.
The uneven surface 14 of the end 9 a of the heat pipe 9 is formed at the same pitch as the unevenness of the inner diameter d of the coil spring 11. By doing so, when the end 9a of the heat pipe 9 is inserted into the inner diameter d of the coil spring 11, the contact area between the inner diameter d of the coil spring 11 and the end 9a of the heat pipe 9 can be increased. The heat transfer from the coil spring 11 to the end 9a of the heat pipe 9 is performed efficiently.

As still another example of the embodiment, FIG.
1A shows a semi-solid lubricant 15 having good thermal conductivity, such as grease, applied to the end 9 a of the heat pipe 9 and the inner diameter d of the coil spring 11. When the end 9a of the heat pipe 9 is inserted into the inner diameter d of the coil spring 11 and connected thereto, it is microscopic.
A gap is formed between the heat pipe 9 and the end 9 a of the heat pipe 9. As described above, the semi-solid material having good thermal conductivity such as grease is formed on the end 9 a of the heat pipe 9 and the inner diameter d of the coil spring 11. When the lubricant 15 is applied, the gap between the inner diameter d of the coil spring 11 and the end 9a of the heat pipe 9 is filled with a semi-solid lubricant 15 having good heat conductivity such as grease. Thereby, the heat transfer from the coil spring 11 to the end 9a of the heat pipe 9 can be made efficient with little loss.

As still another example of the embodiment, FIG.
(B) shows a thin sheet 16 having good thermal conductivity and elasticity instead of the semi-solid lubricant 15 having good thermal conductivity such as the grease described above, and the end portions of the coil spring 11 and the heat pipe 9. 9a, the coil spring 11 and the end 9a of the heat pipe 9 are connected to each other.
Since the thin sheet 16 is made of, for example, a graphite sheet and has elasticity, it can fill a gap formed between the coil spring 11 and the end 9a of the heat pipe 9. 9
The heat transfer to the end 9a can be made efficient with little loss.

As still another example of the embodiment, FIG.
Are plate springs 12, which are a pair of planar heating elements, instead of the coil spring 11 as the heating element 5 and the heat transfer section 6.
12, and the end 9a of the heat pipe 9 as the heat receiving portion 8 is formed in a plate shape. The leaf spring 12 is a heating element 5 formed in a resilient curved plate shape, and is connected to the electric wiring 27 and is heated by being energized. When arranging the pair of leaf springs 12, 12 in the recess 10 of the base 3, the pair of leaf springs 12, 12 are vertically arranged side by side so as to have a longitudinal shape in the front-rear direction. Each is fixed to the upper and lower ends of the recess. Recess 10
The leaf springs 12 and 12 fixed to are bent in the vertical direction toward the other leaf spring 12, and the pair of leaf springs 12 and 12 are in contact with each other at the top of the curved surface. Things.

When connecting the heat transfer section 6 and the heat receiving section 8 configured as described above, the end 9a of the plate-shaped heat pipe 9 is inserted between the pair of leaf springs 12,12. Things. At this time, the end 9a of the plate-shaped heat pipe 9 is inserted so that the pair of leaf springs 12 can push and spread the contacting portions as described above, and the leaf springs 12 are elastically deformed. It is something that can be done. The end portion 9a of the plate-like heat pipe 9 inserted between the pair of leaf springs 12, 12 is elastically deformed by the leaf springs 12, 12, and is elastically contacted and held from above and below. In this manner, the plate springs 12, 12 serving as the heat transfer unit 6 and the end 9 a of the plate-shaped heat pipe 9 serving as the heat receiving unit 8 are connected. Here, the leaf springs 12 and 12 and the end 9a of the plate-like heat pipe 9 preferably have the same surface, so that the leaf springs 12 and 12 and the plate-like heat pipe 9 Can be brought into close contact with the end 9a of the heat pipe 9, the fitting property between the pair of leaf springs 12, 12 and the end 9a of the heat pipe 9 formed in a plate shape is improved, and heat transfer during heat transfer is improved. Heat loss can also be reduced.

[0034]

As described above, according to the first aspect of the present invention, the heating toilet seat attached to the toilet body is provided with the base and the seat which are configured to be separable, and the heating element is provided on the base. In addition, a heat radiator is provided in the seat and the heat transfer part of the heat radiator and the heat receiver of the radiator are detachably connected, so that the heat transfer part of the heat generator and the heat receiver of the heat radiator are in physical contact with each other. By doing so, heat transfer is performed from the heating element to the heat radiating element, and it is possible to efficiently heat the toilet seat with less energy loss as compared with the conventional one using the electromagnetic coil. Since only a radiator having no electric wiring or the like is provided on the seat, cleaning of the seat can be performed without paying attention to a short circuit of the electric wiring.

Further, in the heating toilet seat according to the second aspect of the present invention, in addition to the effect of the first aspect, since the heat radiator is constituted by the heat pipe, the performance such as the heat transfer amount of the heat radiator is improved.
In addition, the portion that protrudes from the seat toward the base continuously from the end of the radiator is defined as a heat receiving portion, and the heat transfer portion faces the seat in a recess provided at the end facing the seat of the base. Since the heat receiving portion is inserted into the recess and connected to the heat transfer portion, the connection between the heat transfer portion and the heat receiving portion is performed in the recess located inside the base without being exposed to the outside, The heat loss due to the heat transfer from the heat transfer section to the heat receiving section can be reduced, and the danger of touching the heating element and the heat radiating element can be avoided.

Further, in the heating toilet seat according to the third aspect of the present invention, in addition to the effect of the second aspect, the heat transfer section is provided with the heat transfer section so that the connected state between the heat reception section and the heat transfer section is maintained. When the heat-receiving part is connected to the heat-transfer part, the heat-receiving part and the heat-transfer part are tightly fixed, so that the base part and the seat part can be firmly connected and reduce heat loss. Can be done.

According to a fourth aspect of the present invention, in addition to the effects of the third aspect, in addition to the effects of the third aspect, the heat receiving portion is constituted by an end of the heat pipe, the heat transfer portion is constituted by a coil spring, and the inner diameter of the coil spring is increased. Is formed to a diameter smaller than the outer diameter of the heat receiving part, the heat receiving part is inserted into the inner diameter of the coil spring and elastically contacted by the coil spring, so the number of parts is reduced and the heat pipe as the heat receiving part has a simple structure Can be reliably elastically contacted by a coil spring as a heat transfer section. Furthermore, since the coil spring is formed of a wire, the number of components can be further reduced by using a heater wire as the wire.

In the heating toilet seat according to the fifth aspect of the present invention, in addition to the effect of the third aspect, the heat receiving portion is constituted by an end portion of a heat pipe formed in a plate shape, and the heat transfer portions are arranged in parallel. The heat receiving portion was inserted between the pair of leaf springs and sandwiched by the pair of leaf springs, so that the heat receiving portion was formed into a plate shape as the heat transmitting portion and the heat receiving portion. The end of the heat pipe can be brought into close contact with the surface by flushing the surface, and the fitting property between the pair of leaf springs and the end of the heat pipe formed in a plate shape is improved. Heat loss during heat transfer can also be reduced.

According to a sixth aspect of the present invention, in addition to the effects of the first aspect, the heating toilet seat according to the present invention has a detecting means for confirming whether or not the heat generating element and the heat radiating element are connected to each other. Control means for energizing the heating element when the coupling with the heat radiator is confirmed, and not energizing the heating element when the coupling between the heating element and the radiator is not confirmed;
Is provided at the base, so that the heating element is not heated when the heat transfer section and the heat receiving section are not connected, and heat is applied to the heating element by heating the heating element having a small amount of heat radiation compared to the heating amount. It is possible to avoid the danger that the temperature of the pool heating element unilaterally increases.

In the heating toilet seat according to the seventh aspect of the present invention, in addition to the effect of the first aspect, the heat transfer section and the heat receiving section are supported by the base and the seat by the heat insulating material, respectively. It can prevent loss to the outside.

In the heating toilet seat according to the eighth aspect of the present invention, in addition to the effect of the fourth aspect, the uneven surface having the same pitch is formed on the inner surface of the coil spring and the surface of the end of the heat pipe. The contact area between the inner diameter of the coil spring and the end of the heat pipe, which is the heat receiving portion, can be increased, and the heat transfer from the heat transfer portion to the heat receiving portion can be performed efficiently.

According to the ninth aspect of the present invention, in addition to the effect of the first aspect, in addition to the effect of the first aspect, the connection between the heat transfer section and the heat receiving section is performed via a semi-solid lubricant having good heat conductivity. It is possible to fill a small gap between the heat transfer section and the heat receiving section, which is generated when the heat transfer section and the heat receiving section are joined, with a lubricant having good thermal conductivity, The heat transfer from the section to the heat receiving section can be performed efficiently with little loss.

In the heating toilet seat according to the tenth aspect of the present invention, in addition to the effect of the first aspect, the connection between the heat transfer section and the heat receiving section is performed via a thin sheet having good thermal conductivity and elasticity. Since the heat transfer section and the heat receiving section are joined by sandwiching the thin sheet having elasticity between the heat transfer section and the heat receiving section, the heat transfer section generated when the heat transfer section and the heat receiving section are joined together The small gap between the heat receiving part and the heat receiving part is filled with a thin sheet having good elasticity of heat conductivity, and the heat transfer from the heat transfer part to the heat receiving part can be efficiently performed with less loss. In addition, the fitting between the heat transfer section and the heat receiving section is strengthened because the fitting property is also strong.

[Brief description of the drawings]

FIG. 1 is a partially enlarged perspective view showing a connection portion between a base and a seat according to an embodiment of the present invention.

FIG. 2 is a partial side sectional view showing a connecting portion between a base and a seat of the above.

FIG. 3 is an exploded perspective view of the same heating toilet seat.

FIG. 4 is a top view of the same heating toilet seat.

FIG. 5 is a side view showing a state where the heating toilet seat is attached to a toilet body.

FIG. 6 shows still another example of the embodiment,
(A) is a side sectional view showing one end of a heat pipe,
(B) is a partial side sectional view showing a state where the seat and the base are attached.

FIG. 7 shows still another example of the embodiment,
(A) is a partial side sectional view in a state where grease is interposed between the heat pipe and the coil spring, and (b) is a partial side sectional view in a state where a graphite sheet is interposed between the heat pipe and the coil spring. It is.

FIG. 8 is a schematic perspective view showing a still further example of the embodiment, in which a pair of leaf springs is used as a heat transfer portion, and an end of a heat pipe is formed in a plate shape to be a heat receiving portion. .

FIG. 9 is a schematic side sectional view showing an example of a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heating toilet seat 2 Toilet main body 3 Base 3a Base base 3b Base connection piece 3c Groove 4 Seat 5 Heating element 6 Heat transfer section 7 Heat radiator 8 Heat receiving section 9 Heat pipe 10 Concave section 11 Coil spring 13 Limiter switch 23 Heater wire 24 Heat insulation Material d Inner diameter (coil spring) D Outer diameter (heat pipe)

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Hiroaki Okada 1048 Kadoma, Kazumasa, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Kazushi Hayashi 1048 Kadoma, Kazuma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. (72) Inventor Shinya Murase 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Works Co., Ltd. (72) Inventor Tetsuro Kawamoto 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Works Co., Ltd. 1048, Okadoma, Kadoma, Kadoma, Matsushita Electric Works Co., Ltd. (72) Inventor Daisuke Tawa 1048, Odaka, Kadoma, Kadoma, Osaka Pref. Matsushita Electric Works Co., Ltd. (72) Inventor Sakuo Kamata 1048 Oji Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Matsuki Matsuki Osaka Kadoma Oaza Kadoma 1048 address Matsushita Electric Works Co., within the company (72) inventor Hamada 糾 Osaka Prefecture Kadoma Oaza Kadoma 1048 address Matsushita Electric Works Co., Ltd. in the F-term (reference) 2D037 AA02 AA14 AD03 EB06

Claims (10)

[Claims] 1. A heating toilet seat attached to a toilet body includes a base and a seat configured to be separable, a heating element is provided on the base and a radiator is provided on the seat, and a heat transfer section and a radiator of the heating element are provided. A heating toilet seat characterized in that the heating toilet seat is detachably connected to the heat receiving portion. 2. A heat radiator is constituted by a heat pipe, and a portion protruding from a seat to a base continuously from an end of the heat radiator is provided as a heat receiving portion, and is provided at an end facing the seat of the base. The heating toilet seat according to claim 1, wherein the heat transfer portion is arranged in the recess so as to face the seat portion, and the heat receiving portion is inserted into the recess and connected to the heat transfer portion. 3. The heating toilet seat according to claim 2, wherein the heat transfer section urges the heat reception section so that the connection state between the heat reception section and the heat transfer section is maintained. 4. The heat receiving part is constituted by an end of a heat pipe,
4. The heat transfer section is formed by a coil spring, the inner diameter of the coil spring is formed to be smaller than the outer diameter of the heat receiving section, and the heat receiving section is inserted into the inner diameter of the coil spring and is elastically contacted by the coil spring. Heating toilet seat as described in. 5. A heat receiving portion is constituted by an end of a heat pipe formed in a plate shape, a heat transfer portion is constituted by a pair of leaf springs arranged in parallel, and the heat receiving portion is inserted between the pair of leaf springs. The heating toilet seat according to claim 3, wherein the heating toilet seat is held between a pair of leaf springs. 6. A detecting means for confirming the presence or absence of the coupling between the heating element and the heat radiating element, and when the detecting means confirms the coupling between the heating element and the heat radiating element, the heating element is energized and the heating element is connected. 2. A heating toilet seat according to claim 1, wherein a control means for preventing the power supply to the heating element when the connection with the heat radiating element is not confirmed is provided at the base. 7. The heating toilet seat according to claim 1, wherein the heat transfer section and the heat receiving section are supported on the base and the seat by a heat insulating material, respectively. 8. The heating toilet seat according to claim 4, wherein irregularities having the same pitch are formed on the inner surface of the coil spring and the surface of the end of the heat pipe. 9. The heating toilet seat according to claim 1, wherein the connection between the heat transfer section and the heat receiving section is performed via a semi-solid lubricant having good heat conductivity. 10. The heating toilet seat according to claim 1, wherein the connection between the heat transfer section and the heat receiving section is performed via a thin sheet having good thermal conductivity and elasticity.