JP2002095611A - Warm toilet seat and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the extended structure of a warm toilet seat in which the power cord coming out of the toilet seat body is located and its simplified manufacturing method. SOLUTION: The housing of this toilet seat is formed by integrating a toilet seat body 2 with a toilet seat back plate 3 covering the underside of the toilet seat body 2. Between the toilet seat body 2 and the back plate 3, heater blocks 4 are installed. A power cord 5 to supply power to those heater blocks comes out of the toilet seat body 2. A hollow 6 is formed on the surface of the toilet seat body 2 to fix the extended power cord 5 with a bonding resin 1 filled inside the hollow.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a heating toilet seat in which a power cord connected to a heater extends from a toilet seat body and a method of manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, the structure of a portion of a power cord extending from the toilet seat body that is electrically connected to a heater block disposed inside the toilet seat body and extends outside the toilet seat body is shown in FIG. As described above, the power cord 5 is inserted into the cord fixing recess 6 ′ formed on the surface of the toilet seat body 2, and the packing 3 is inserted into the bottom surface 6 a ′ of the cord fixing recess 6 ′.
0, the power supply cord 5 was provided with a flange portion 31, and the packing 30 and the flange portion 31 were opposed to each other and fixed tightly with screws 35.

[0003]

However, the structure of the portion of the power cord 5 extending from the toilet seat body 2 as described above requires a large number of component parts, complicated assembly steps, and a packing. The mold structure corresponding to the complicated shape of the cord fixing recess 6 'for disposing the screw 30 and the screw 35 is also complicated, and the cost is increased.

[0004] The present invention has been made in view of the above points, and an object of the present invention is to provide a simplified structure of a heating toilet seat and a method of manufacturing the heating toilet seat at a portion extending from a toilet seat body of a power cord. It is assumed that.

[0005]

Means for Solving the Problems In order to solve the above problems, a heating toilet seat according to the present invention forms a toilet seat housing by integrating a toilet seat main body 2 and a toilet seat back plate 3 covering the back surface of the toilet seat main body 2, A heater block 4 is housed between the toilet seat body 2 and the toilet seat back plate 3, and a power cord 5 for supplying power to the heater block 4 is extended from the toilet seat body 2 to the outside. The cord fixing recess 6 is recessed, and the power cord 5 is inserted into the cord fixing recess 6.
And the power cord 5 is fixed by filling the joining resin 1 into the cord fixing recess 6. As a result, the cord fixing recess 6 is filled with the joining resin 1 and solidified, so that the power cord 5 inserted through the cord fixing recess 6 has water tightness and is firmly fixed. The function of the recess 6 for fixing the cord may be such that the power cord 5 can be inserted and the resin for joining 1 can be filled. The shape can be made simpler than the conventional cord fixing recess 6 'in which packing and screws are arranged. The number of parts used for the cord fixing recess 6 is reduced, and the cord fixing recess 6 is formed. The shape of the mold can be simplified, and the cost can be reduced.

In the heating toilet seat according to a second aspect of the present invention, the joint groove 7 is provided between the toilet seat main body 2 and the toilet seat back plate 3, and the joint groove 7 and the cord fixing recess are provided. A communication path 8 is provided to communicate with the place 6, the joint groove 7, the communication path 8, and the cord fixing recess 6 are filled with the joining resin 1 to join the toilet seat body 2 and the toilet seat back plate 3 together with a power cord. 5 and the toilet seat body 2 are joined. Thereby, the joining groove 7 and the communication passage 8 and the cord fixing recess 6 are formed.
The toilet seat body 2 and the toilet seat back plate 3 and the power cord 5 and the toilet seat body 2 can be joined with the same joining resin 1 filled over the entire area, and the manufacture of a heating toilet seat can be facilitated. Things.

The heating toilet seat according to a third aspect of the present invention is characterized in that, in the first aspect, the concave portion 24 or the convex portion 23 is formed on the surface of the power cord 5 located at the cord fixing recess 6. I do. Thereby, the concave portion 24 or the convex portion 23 formed on the surface of the power cord 5
The fixing strength of the power supply cord 5 is improved by preventing the power supply cord 5 from falling off in the axial direction by being caught by the bonding resin 1 solidified according to the shape of the concave portion 24 or the convex portion 23.

A fourth aspect of the present invention provides a heating toilet seat according to the first aspect, wherein the power cord 5 is provided with a flange portion 9, and the flange portion 9 abuts on the inner wall of the toilet body 2. I do. Thereby, the flange portion 9 provided on the power cord 5 comes into contact with and locks on the inner wall of the toilet body 2 so that the power cord 5 is prevented from falling off in the axial direction to improve the fixing strength of the power cord 5. It is.

A heating toilet seat according to claim 5 of the present invention is characterized in that, in claim 1, the power cord 5 and the cord fixing recess 6 are water-tightly fixed with the joining resin 1. I do. This prevents the joining resin 1 from intruding water into the toilet seat main body 2 from the cord fixing recess 6 through which the power cord 5 is inserted, and the heater block disposed inside the toilet seat main body 2. 4 can prevent short-circuiting. For example, a thermoplastic resin is used as the joining resin 1 and the joining resin 1 melted by being heated to a high temperature is poured into the cord fixing recess 6 and filled therein. At this time, the power supply cord 5 and the cord fixing recess are used. Melt the surface of 6,
When the surfaces of the joining resin 1 and the power cords 5 and the cord fixing recesses 6 melt and intersect with each other to solidify the joining resin 1, the joining resin 1 and the cord fixing recesses 6 and the power cord 5 are solidified. If water is further firmly integrated, complete watertightness can be obtained.

In the method for manufacturing a heated toilet seat according to claim 6 of the present invention, the toilet seat body 2 and the toilet seat back plate 3 that covers the rear surface of the toilet seat body 2 are combined by housing a heater block 4 therebetween. Cord fixing recess 6 provided on the surface of toilet seat body 2
Through the power cord 5 for supplying power to the heater block 4,
Next, a joining groove 7 provided between the toilet seat main body 2 and the toilet seat back plate 3.
The toilet seat body 2 and the toilet seat back plate 3 are joined by filling the joint resin 1 into the joint resin 1, and the joint resin 1 filled in the joint groove 7 is filled into the cord fixing recess 6 through the communication passage 8. The power supply cord 5 is fixed. By filling the joining groove 1 with the joining resin 1, the joining resin 1 flows into the cord fixing recess 6 through the communication passage 8 and enters the cord fixing recess 6. Can be filled at the same time, even if the joining resin 1 is not separately filled into the cord fixing recess 6 and the joining groove 7, respectively.
The power supply cord 5 can be fixed to the cord fixing recess 6 at the same time that the toilet seat main body 2 and the toilet seat back plate 3 are joined, and the manufacturing of the heating toilet seat can be facilitated.

According to a seventh aspect of the present invention, in the method for manufacturing a heating toilet seat according to the sixth aspect, the flange portion 9 provided on the power cord 5 is positioned on the bottom surface 6a of the cord fixing recess 6 to fix the cord. It is characterized in that the flange portion 9 is pressed against the bottom surface 6a of the cord fixing recess 6 with the joining resin 1 filled in the recess 6. Thereby, the flange portion 9 provided on the power cord 5 can press the flange portion 9 against the bottom surface 6a of the cord fixing recess 6 with the filling pressure of the joining resin 1 filling the cord fixing recess 6. The filling work of the joining resin 1 into the cord fixing recess 6 can also serve as a pressing work of the power cord 5 into the cord fixing recess 6, thereby facilitating the production of the heating toilet seat. Can be done.

According to an eighth aspect of the present invention, in the method for manufacturing a heating toilet seat according to the sixth aspect, the insertion hole 13 of the bottom surface 6a of the cord fixing recess 6 through which the power cord 5 is inserted is connected to the power cord 5. The cord fixing recess 6 is filled with the joining resin 1, and the power cord 5 is fixed to the cord fixing recess 6 in a watertight manner. Thus, when the power cord 5 is inserted through the bottom face 6a of the cord fixing recess 6, the insertion hole 13 previously provided in the bottom face 6a of the cord fixing recess 6 engages the power cord 5 and By filling the joining resin 1 into the cord fixing recess 6, the power cord 5 and the cord fixing recess 6 can be tightly fixed to each other. The watertightness can be further improved.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings. First, the structure of the heating toilet seat will be described, and then, the manufacturing of the heating toilet seat will be described.

1 to 9 show an embodiment of the present invention. The toilet seat housing of the heating toilet seat on which the buttocks of the user are placed is formed integrally with the toilet seat body 2 forming the upper part of the toilet seat housing and the toilet seat back plate 3 forming the lower part of the toilet seat housing. . The toilet seat body 2 is formed by continuously forming a U-shaped belt having a vertical cross section that opens on the back surface so as to draw an elliptical shape when viewed from above, and the toilet seat back plate 3 is formed on the back surface of the toilet seat body 2. Is formed in a flat plate shape so as to cover the opening. When the toilet seat back plate 3 is disposed to face the toilet seat body 2 so as to cover the rear surface of the toilet seat body 2, as shown in FIG. 1, the toilet seat is placed in the joining groove 7 which extends over the lower end of the toilet seat body 2 and opens downward. The claw-shaped locking portions 10 provided at both ends of the back plate 3 are locked and arranged. As shown in FIGS. 3 to 5, the joining groove 7 has an inner groove 7 a and an outer groove 7 having different diameters along both ends of the toilet seat back plate 3.
b. Toilet seat body 2 as described above
The toilet seat back plate 3 which is opposed to the toilet seat body 3 is fixedly connected to the toilet seat main body 2 and the toilet seat back plate 3 by the bonding resin 1 which is filled in the bonding groove 7 and solidified to form a toilet seat housing. A hollow space 12 is formed inside the toilet seat housing, that is, between the toilet seat main body 2 and the toilet seat back plate 3, for warming the toilet seat housing, and particularly for directly placing the buttocks of a user. A heater block 4 for warming the toilet seat 2 is provided along the inner wall of the toilet seat body 2 in the hollow space 12. A power cord 5 for supplying power to the heater block 4 extends from the heater block 4, and the power cord 5 extends through the toilet seat main body 2 to the outside of the toilet seat main body 2. .

As shown in FIG. 1, a portion where the power cord 5 extends from the toilet seat main body 2 is provided with a cord fixing recess 6 which is recessed inward from the surface of the outer wall of the toilet seat main body 2. In addition, an insertion hole 13 communicating with the hollow interior 12 is formed in the bottom surface 6a of the cord fixing recess 6, and the power cord 5 is inserted through the insertion hole 13 and disposed. Things. Here, a cover 15 covering the power supply line 14 is provided in a portion of the power cord 5 located at the cord fixing recess 6.
On the surface of 5, a step 16 is provided and a flange-like lid 17 is provided. The power cord 5 is disposed in the cord fixing recess 6 such that the step 16 abuts against the bottom surface 6a of the cord fixing recess 6 and the cover 17 covers the cord fixing recess 6. . In addition, a communication passage 8 communicating with a part of the outer groove 7b of the above-described joint groove 7 is connected to the cord fixing recess 6. The power cord 5 arranged in the cord fixing recess 6 is connected to the cord fixing recess 6.
Is fixed by the joining resin 1 which has been filled and solidified.

In the heating toilet seat having the above-described structure, the power fixing cord 6 inserted through the cord fixing recess 6 is made watertight by filling and solidifying the joining resin 1 in the cord fixing recess 6. The cord fixing recess 6 can be firmly fixed to the cord fixing recess 6, and the cord fixing recess 6 can allow the power cord 5 to be inserted and can be filled with the joining resin 1. Well, the shape can be made simpler than the conventional cord fixing recess 6 'in which packing and screws are arranged, so that the number of parts used in the cord fixing recess 6 is reduced and the cord fixing recess 6' is used. The shape of the mold for forming the recess 6 can be simplified, and there is an advantage that the cost can be reduced.

The heating toilet seat having the above-described structure is manufactured as follows.

The toilet seat body 2 and the toilet seat back plate 3 are each formed of a synthetic resin by a primary molding die (not shown). Then, the heater block 4 is disposed on the toilet seat main body 2, and the assembling work is performed so that the power cord 5 extends from the heater block 4 and is arranged in the cord fixing recess 6 through the insertion hole 13. Then, the locking portion 10 of the toilet seat back plate 3 is locked in the joint groove 7 of the toilet seat main body 2 so as to cover the back surface of the toilet seat main body 2, and the toilet seat back plate 3 is arranged to face the toilet seat main body 2.

Then, the toilet seat main body 2 and the toilet seat back plate 3 in the temporarily fixed state forming the toilet seat housing as described above are arranged in the secondary molding die 18 as shown in FIG. The secondary mold 18 includes an upper mold 18a and a lower mold 18b.
A toilet seat back plate arrangement groove 19 into which the toilet seat back plate 3 is inserted is formed in a contact surface of the lower mold 18 with the lower mold 18b.
A toilet seat main body arrangement groove 20 into which the toilet seat main body 2 is inserted is formed in a contact surface of the b with the upper mold 18a. The upper mold 18a is provided with a resin injection port 21. 7 to 9 show a partial cross section of the secondary mold 18, and one resin injection port 21 is shown on the inner peripheral side of the toilet seat back plate 3 in FIG. The injection port 21 is actually provided on the inner peripheral side and the outer peripheral side of the toilet seat back plate 3 with the secondary molding die 18.
It is arranged so as to be located above the joining groove 7 (the inner groove 7a and the outer groove 7b) of the toilet seat main body 2 arranged therein, and there are a total of three resin injection ports 21 communicating with the inner groove 7a. A total of five resin injection ports 21 communicating with the side grooves 7b are provided. Further, an upper step portion 22a protruding downward is formed on a contact surface of the upper mold 18a with the lower mold 18b. Further, in a part of the toilet seat main body arrangement groove 20 where the cord fixing recess 6 of the toilet seat main body 2 arranged in the lower mold 18b is located, a cord escape hole 23 for allowing the power cord 5 to escape is connected to the toilet seat main body arrangement groove 20. In addition, a lower step portion 22b protruding upward is formed at the connection portion.

Then, the secondary mold 1 constructed as described above is used.
In FIG. 8, the toilet seat body 2 in a temporarily fixed state forming a toilet seat housing is arranged in the toilet seat body arrangement groove 20 of the lower mold 18 b in the secondary molding die 18. Then, as shown in FIG.
The upper metal mold 18a and the lower metal mold 18b are crimped so as to be stacked. At this time, the upper power part 22a and the lower power part 22b have the power cord 5 extending outward from the cord fixing recess 6. And the toilet seat main body 2 and the toilet seat back plate 3 in which the toilet seat main body arrangement groove 20 and the toilet seat back plate arrangement groove 19 are temporarily fixed. Then, the joining resin 1 is injected into the secondary molding die 18 from the resin injection port 21. The joining resin 1 injected into the secondary molding die 18 fills the joining groove 7 of the toilet seat main body 2 arranged in the secondary molding die 18. As described above, a plurality of resin injection ports 21 are provided at both ends of the toilet seat back plate arrangement groove 19 of the upper mold 18a, and the joining groove 7 (the inner groove 7a and the outer groove 7b) of the toilet seat body 2 is provided. Are respectively filled with the joining resin 1. Further, since the communication passage 8 communicating with the cord fixing recess 6 is connected to the outer groove 7b of the joining groove 7, the joining resin 1 filled in the outer groove 7b of the joining groove 7 is The resin also flows into the cord fixing recess 6 through the passage 8, and the joining resin 1 fills the cord fixing recess 6.
After filling the joining groove 7 and the cord fixing recess 6 with the joining resin 1 in this manner, the secondary molding die 1 is kept for a while.
8 holds the toilet seat main body 2 and the toilet seat back plate 3 to solidify the joining resin 1. When the joining resin 1 filled in the joining groove 7 is solidified, the toilet seat body 2 and the toilet seat back plate 3 are firmly fixed, and the joining resin 1 filled in the cord fixing recess 6 is fixed. Is solidified, the toilet seat body 2 and the power cord 5 are firmly fixed. Thereafter, the upper mold 18a and the lower mold 18b of the secondary molding die 18 are separated, and the toilet seat housing in which the toilet seat body 2 and the toilet seat back plate 3 are integrated is taken out.

As described above, by manufacturing the heating toilet seat, the joining groove 7 is filled with the joining resin 1 to form the communication passage 8.
The joining resin 1 can flow into the cord fixing recess 6 through the through hole and simultaneously fill the joining resin 1 into the cord fixing recess 6. Even if the joining groove 7 is not separately filled with the joining resin 1, the power cord 5 can be fixed to the cord fixing recess 6 at the same time that the toilet seat main body 2 and the toilet seat back plate 3 are joined, There is an advantage that manufacture of the heating toilet seat can be facilitated.

Hereinafter, an example of another embodiment of the present invention will be described.

In the embodiment shown in FIG. 10, a projection 23 is formed on the surface of the cover 15 of the power cord 5 located in the cord fixing recess 6. In this way, the power cord 5 located in the cord fixing recess 6 is formed.
Around the convex portion 23 formed on the surface of the cover body 15, the joining resin 1 filled in the cord fixing recess 6 is solidified so as to cover the convex portion 23, and the power cord 5 is This is because the protrusion 23 and the joining resin 1 are firmly hooked to prevent the power cord 5 from falling off, and the fixing strength of the power cord 5 is improved. . Also, as shown in FIG. 11, the same effect as that of the embodiment in which the power cord 5 is provided with the convex portions 23 can be obtained by forming the concave portions 24 in place of the convex portions 23.

In the embodiment shown in FIG. 12, a flange portion 9 is provided at a position outside a step portion 16 provided on a cover body 15 of a power cord 5, and the flange portion 9 is connected to a hollow inside the toilet body 2. It is located in the space 12 and the toilet body 2
Is in contact with the inner wall of the. By doing this,
When the flange portion 9 of the power cord 5 comes into contact with the inner wall of the toilet main body 2, the power cord 5 tends to fall out in the axial direction, so that the flange portion 9 is firmly hooked on the inner wall of the toilet main body 2, and This prevents the cord 5 from falling off, and improves the fixing strength of the power cord 5.

In the embodiment shown in FIG. 13, the power supply cord 5 and the cord fixing recess 6 are fixed to the joining resin 1 in a watertight manner. That is, a thermoplastic resin is used as the bonding resin 1, and the bonding resin 1 melted by being heated to a high temperature is filled in the cord fixing recess 6, and the surface of the cord fixing recess 6 and the power The surface of the resin cover 15 of the cord 5 is also melted, and the surfaces of the joining resin 1 and the power cord 5 and the cord fixing recess 6 are melted and intermingled, so that the joining resin 1 is solidified. In this case, the joining resin 1, the cord fixing recess 6 and the power cord 5 are further firmly integrated, and complete watertightness is obtained.

An example of the embodiment shown in FIG.
Cover 1 of power cord 5 as in the example of the second embodiment.
5 is provided with a flange portion 9, the flange portion 9 is positioned on the side of the cord fixing recess 6, and in this state, the cord fixing recess 6 is filled with the joining resin 1. The flange portion 9 can be pressed against the bottom surface 6a of the cord fixing recess 6 by pressure, and the work of filling the joining resin 1 into the cord fixing recess 6 is performed by the power cord 5.
Can also serve as a pressing operation to the cord fixing recess 6, thereby facilitating the manufacture of the heating toilet seat.

The embodiment shown in FIGS. 15 and 16 is different from the embodiment shown in FIGS. 15 and 16 in that the projection 2 engages over the inner wall of the insertion hole 13 provided in the bottom surface 6a of the cord fixing recess 6 through which the power cord 5 is inserted.
When the power cord 5 is formed and the power cord 5 is inserted through the insertion hole 13, the biting projection 25 engages the power cord 5, and fills the cord fixing recess 6 with the joining resin 1. Thus, the power cord 5 is fixed to the cord fixing recess 6 in a watertight manner.

[0028]

As described above, in the heating toilet seat according to the first aspect of the present invention, a toilet seat housing is formed by integrating a toilet seat body and a toilet seat back plate that covers the back surface of the toilet seat body. In a heating toilet seat which houses a heater block between the toilet seat back plate and a power cord for supplying power to the heater block to the outside from the toilet seat body, a cord fixing recess is formed on the surface of the toilet seat body. The power cord is inserted into the cord fixing recess and the power cord is fixed by filling the cord fixing recess with a joining resin. The cord fixing recess is filled with the joining resin and solidified. In this way, the power cord inserted through the cord fixing recess can be securely fixed to the cord fixing recess with water tightness, and the function of the cord fixing recess is as follows. Penetrate It may be one that can be filled together with the joining resin, and the shape can be made simpler than the conventional cord fixing recess in which packing and screws are arranged. The number of parts used in the place can be reduced, and the shape of the mold for forming the cord fixing recess can be simplified, so that the cost can be reduced.

In the heating toilet seat according to the second aspect of the present invention, in addition to the effects of the first aspect, a joint groove is provided between the toilet seat body and the toilet seat back plate, and the joint groove and the cord are provided. A communication passage communicating with the fixing recess is provided, the joining groove, the communication passage, and the cord fixing recess are filled with a joining resin to join the toilet seat body and the toilet seat back plate, and the power cord and the toilet seat body are connected to each other. Since the joint is performed, the same joint resin filled over the joint groove, the communication path, and the cord fixing recess can join the toilet seat body and the toilet seat back plate, and also connect the power cord and the toilet seat body. This facilitates the production of a heated toilet seat.

In the heating toilet seat according to the third aspect of the present invention, in addition to the effect of the first aspect, a concave portion or a convex portion is formed on the surface of the power cord located at the cord fixing recess. The concave portion or convex portion formed on the surface of the power cord is caught by the joining resin solidified according to the shape of the concave portion or convex portion of the power cord, and the power cord is prevented from dropping outward in the axial direction. This is to improve the fixing strength.

In the heating toilet seat according to the fourth aspect of the present invention, in addition to the effect of the first aspect, a flange portion is provided on the power cord, and the flange portion abuts on the inner wall of the toilet body. In addition, a flange portion provided on the power cord comes into contact with and locks on the inner wall of the toilet body, so that the power cord is prevented from dropping outward in the axial direction to improve the fixing strength of the power cord.

In the heating toilet seat according to the fifth aspect of the present invention, in addition to the effect of the first aspect, the power cord and the cord fixing recess are water-tightly fixed with the joining resin. Therefore, it is possible to prevent the joining resin from infiltrating water into the toilet seat body from the cord fixing recess through which the power cord is inserted, thereby preventing a short circuit of a heater block or the like disposed inside the toilet seat body. For example, a thermoplastic resin is used as a joining resin, and the above-mentioned joining resin melted by heating to a high temperature is poured into a cord fixing recess and filled therein. The surfaces of the recesses are melted, and the surfaces of the joining resin and the power cords and the cord fixing recesses are melted and intermingled, and when the joining resin is solidified, the joining resin and the cord fixing recesses and the power cord are formed. Is firmly integrated Once, in which perfect watertightness is obtained.

In the method for manufacturing a heated toilet seat according to the sixth aspect of the present invention, the toilet seat body and a toilet seat back plate that covers the rear surface of the toilet seat body are combined by housing a heater block between the two. A power cord for supplying power to the heater block is inserted into a cord fixing recess provided on the surface of the main body, and then a joining groove provided between the toilet seat body and the toilet seat back plate is filled with a joining resin to form a toilet seat body and a toilet seat. At the same time as joining the back plate, the joining resin filled in the joining groove is filled into the cord fixing recess through the communication passage to fix the power cord, so that the joining resin is filled in the joining groove. The joining resin flows into the recess for fixing the cord through the passage and the resin for joining can be simultaneously filled in the recess for fixing the cord. Fill the jointing resin separately Also it not, is one which is capable of fixing the power cord to cord retention recess and simultaneously bonding the seat frame and the seat back plate, in which it is possible to facilitate the manufacture of toilet seats.

According to a seventh aspect of the present invention, in addition to the effect of the sixth aspect, in addition to the effect of the sixth aspect, the flange portion provided on the power supply cord is located on the bottom surface of the cord fixing recess. Since the flange portion is pressed against the bottom surface of the cord fixing recess with the joining resin filled in the cord fixing recess, the flange portion provided on the power cord is filled with the joining resin filling pressure filling the cord fixing recess. The flange can be pressed against the bottom surface of the cord fixing recess,
The filling work of the joining resin into the cord fixing recess can also serve as the pressing work of the power cord into the cord fixing recess, thereby facilitating the production of the heating toilet seat.

According to the method for manufacturing a heating toilet seat according to the eighth aspect of the present invention, in addition to the effect of the sixth aspect, the insertion hole on the bottom surface of the cord fixing recess through which the power cord is inserted is provided with the power cord. The power cord is fixed to the cord fixing recess in a watertight manner, so that the power cord is inserted through the bottom of the cord fixing recess. In doing so, the insertion hole provided in the bottom surface of the cord fixing recess in advance engages the power cord and fills the cord fixing recess with the joining resin, so that the power cord and the cord fixing recess are separated. The power supply cord and the cord fixing recess can be tightly fixed, and the watertightness between the power cord and the cord fixing recess can be further improved.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing an example of an embodiment of the present invention.

FIG. 2 is a perspective view of a toilet seat housing of the same heating toilet seat.

FIG. 3 is a side sectional view of the above toilet seat housing.

FIG. 4 is a partially sectional bottom view of the toilet seat housing.

FIG. 5 is a top view of the above toilet seat housing.

FIG. 6 is a bottom view of the above toilet seat housing.

FIG. 7 is a front view showing a state before the toilet seat body and the toilet seat back plate are overlapped in the method for manufacturing a heated toilet seat according to the present invention.

FIG. 8 is a front view showing a state in which the toilet seat body and the toilet seat back plate are overlapped with each other to perform resin joining.

FIG. 9 is a front view showing a state after the toilet seat body and the toilet seat back plate are overlapped and resin-joined.

FIG. 10 is a cross-sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which the power cord of the present invention is provided with a convex portion.

FIG. 11 is a sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which the power cord is provided with a recess.

FIG. 12 is a sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which a flange portion of a power cord is brought into contact with an inner wall of a toilet seat main body.

FIG. 13 is a sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which the cord fixing recess is made watertight.

FIG. 14 is a cross-sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which a flange portion of a power cord is provided in the cord fixing recess.

FIG. 15 is a cross-sectional view of a cord fixing recess showing another example of the embodiment of the present invention in which a biting projection is provided in an insertion hole on the bottom surface of the cord fixing recess.

FIG. 16 is a perspective view of the example of FIG.

FIG. 17 is an exploded perspective view showing an example of the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joining resin 2 Toilet seat main body 3 Toilet seat back plate 4 Heater block 5 Power cord 6 Cord fixing recess 7 Joining groove 8 Communication passage

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[Procedure amendment]

[Submission date] November 28, 2000 (200.11.
28)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0019

[Correction method] Change

[Correction contents]

Then, the toilet seat main body 2 and the toilet seat back plate 3 in the temporarily fixed state forming the toilet seat housing as described above are arranged in the secondary molding die 18 as shown in FIG. The secondary mold 18 includes an upper mold 18a and a lower mold 18b.
A toilet seat back plate arrangement groove 19 into which the toilet seat back plate 3 is inserted is formed in a contact surface of the lower mold 18 with the lower mold 18b.
A toilet seat main body arrangement groove 20 into which the toilet seat main body 2 is inserted is formed in a contact surface of the b with the upper mold 18a. The upper mold 18a is provided with a resin injection port 21. 7 to 9 show a partial cross section of the secondary molding die 18, and one resin injection port 21 is shown on the inner peripheral side of the toilet seat back plate 3 in FIG. The resin injection port 21 is actually located above the joining groove 7 (the inner groove 7 a and the outer groove 7 b) of the toilet seat main body 2 disposed in the secondary molding die 18 on the inner peripheral side and the outer peripheral side of the toilet seat back plate 3. The resin injection port 21 communicating with the inner groove 7a has a total of 3
In addition, a total of five resin injection ports 21 communicating with the outer groove 7b are provided. Furthermore, the lower mold 1 of the upper mold 18a
An upper step portion 22a protruding downward is formed on the contact surface to 8b. Further, the toilet seat body 2 disposed in the lower mold 18b
In the portion of the toilet seat main body arrangement groove 20 where the cord fixing recess 6 is located, a cord escape hole 23 for allowing the power cord 5 to escape is connected to the toilet seat main body arrangement groove 20 and the connecting portion has a lower step portion protruding upward. 22b are formed.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

[0020] Then, the secondary molding die, which is configured as described above
In the mold 18, the toilet seat body 2 in a temporarily fixed state forming a toilet seat housing is arranged in the toilet seat body arrangement groove 20 of the lower mold 18b. Then, as shown in FIG.
And the lower mold 18b are crimped so as to be laminated. At this time, the upper part 22a and the lower part 22b hold the power cord 5 extending outward from the cord fixing recess 6, and The toilet seat main body arrangement groove 20 and the toilet seat back plate arrangement groove 19 hold the toilet seat body 2 and the toilet seat back plate 3 temporarily fixed. Then, the joining resin 1 is injected into the secondary molding die 18 from the resin injection port 21. The joining resin 1 injected into the secondary molding die 18 fills the joining groove 7 of the toilet seat main body 2 arranged in the secondary molding die 18. As mentioned above,
The resin injection port 21 is provided with the toilet seat back plate arrangement groove 19 of the upper mold 18a.
Are provided at both end positions, and the joining resin 7 is filled in the joining grooves 7 (the inner groove 7a and the outer groove 7b) of the toilet seat body 2 respectively. Further, since the communication path 8 communicating with the cord fixing recess 6 is connected to the outer groove 7b of the joining groove 7, the outer groove 7b of the joining groove 7 is connected.
The joining resin 1 filled in b flows into the cord fixing recess 6 through the communication path 8, and the cord fixing recess 6 is also filled with the joining resin 1. After filling the joining groove 7 and the cord fixing recess 6 with the joining resin 1 in this manner, the toilet seat body 2 and the toilet seat back plate 3 are held in the secondary molding die 18 for a while, To solidify. When the joining resin 1 filled in the joining groove 7 is solidified, the toilet seat body 2 and the toilet seat back plate 3 are firmly fixed, and the joining resin 1 filled in the cord fixing recess 6 is fixed. Is solidified, the toilet seat body 2 and the power cord 5 are firmly fixed. Thereafter, the upper mold 18a and the lower mold 18b of the secondary molding mold 18 are separated, and the toilet seat body 2
And the toilet seat back plate 3 to take out the toilet seat housing.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0025

[Correction method] Change

[Correction contents]

[0025] Examples of the embodiment shown in FIG. 13 is a watertight manner by fixing the power cord 5 and cord retention recess 6 in adhesive resin 1. That is, a thermoplastic resin is used as the bonding resin 1, and the bonding resin 1 melted by being heated to a high temperature is filled in the cord fixing recess 6, and the surface of the cord fixing recess 6 and the power The surface of the resin cover 15 of the cord 5 is also melted, and the surfaces of the joining resin 1 and the power cord 5 and the cord fixing recess 6 are melted and intermingled, so that the joining resin 1 is solidified. In this case, the joining resin 1, the cord fixing recess 6 and the power cord 5 are further firmly integrated, and complete watertightness is obtained.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoshi Matsukura 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. Co., Ltd. F-term (reference) 2D037 AA12 AD03 AD09

Claims (8)

[Claims] 1. A toilet seat housing is formed by integrating a toilet seat body and a toilet seat back plate that covers the rear surface of the toilet seat body, a heater block is housed between the toilet seat body and the toilet seat back plate, and power is supplied to the heater block. In a heating toilet seat having a power cord extending from the toilet seat body to the outside, a recess for fixing the cord is formed in the surface of the toilet seat body, and the power cord is inserted into the recess for fixing the cord, and the recess for fixing the cord is provided. A heating toilet seat, characterized in that a power cord is fixed by filling a joint resin at a place. 2. A joint groove is provided between the toilet seat main body and the toilet seat back plate, and a communication passage communicating the joint groove and the cord fixing recess is provided, and the joint groove, the communication passage, and the cord fixing recess are provided. 2. The heating toilet seat according to claim 1, wherein the toilet seat body and the toilet seat back plate are joined by filling a joining resin into the toilet seat, and the power cord and the toilet seat body are joined. 3. The heating toilet seat according to claim 1, wherein a concave portion or a convex portion is formed on a surface of the power cord located at the cord fixing recess. 4. The heating toilet seat according to claim 1, wherein a flange portion is provided on the power cord, and the flange portion contacts an inner wall of the toilet body. 5. The heating toilet seat according to claim 1, wherein the power cord and the cord fixing recess are water-tightly fixed with the joining resin. 6. A power supply for supplying power to the heater block in a cord fixing recess provided on the surface of the toilet seat body, wherein the heater block is housed between the toilet seat body and a toilet seat back plate covering the back surface of the toilet seat body. The cord is inserted, and then the joining groove provided between the toilet seat body and the toilet seat back plate is filled with the joining resin to join the toilet seat body and the toilet seat back plate. A method for manufacturing a heating toilet seat, wherein a power cord is fixed by filling a cord fixing recess through a passage. 7. A method in which a flange portion provided on a power cord is positioned on a bottom surface of the cord fixing recess, and the flange portion is pressed against the bottom surface of the cord fixing recess with a joining resin filled in the cord fixing recess. The method for manufacturing a heating toilet seat according to claim 6, wherein 8. A power supply cord is inserted into the insertion hole on the bottom surface of the cord fixing recess, the joining resin is filled in the cord fixing recess, and the power cord is watertightly fixed to the cord fixing recess. The method for manufacturing a heating toilet seat according to claim 6, wherein: