JPH0646973B2 - Heating toilet seat - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heated toilet seat that is attached to a Western-style toilet and warms from the surface when the user is seated.

2. Description of the Related Art A conventional heating toilet seat of this type is disclosed in, for example, Japanese Patent Laid-Open No. 58-1574.
4 and its A
It had a structure as shown in FIG.

That is, it is composed of a toilet seat 2 having a heater 1 inside, and a main body 4 having a controller 3 for controlling the temperature of the heater 1 inside, and the heater 1 and the controller 3 are electrically connected by a lead wire 5. There is. The lead wire 5 is a four-core electric wire having a double insulating coating, and is wired through the center of a rotating shaft 6 that rotatably supports the toilet seat 2 and the main body 4, one of which is inside the toilet seat 2. Is fixed by the fixing member 7 and the other is the main body 4
It is connected to the control device 3 inside. The rotating shaft 6 is the seat 2
A spring 10 having a substantially cylindrical body having a brim portion 8 at its side end, and the end portion of which is supported by a rib 9 formed integrally with the toilet seat 2.
Thus, the brim portion 8 is pressed and attached. O-rings 11 and 12 are attached to the holes through which the rotary shaft 6 penetrates the toilet seat 2 and the main body 4, respectively, to prevent intrusion of water or the like. Reference numeral 13 is a power cord for supplying power to the control device 3, and 13 'is a temperature control switch connected to the control device 3.

However, in such a structure, when the lead wire 5 is pierced through the rotary shaft 6, the rotary shaft 6 is first attached to the toilet seat 2.
You can do it only after it has been attached to. Toilet seat 2
When the lead wire 5 is pierced with the rotary shaft 6 attached to the lead wire 5, the lead wire 5 may come into contact with the rib 9 and the spring 10, which makes it difficult to insert the lead wire 5 and the workability is very poor.

In addition, the hole through which the rotating shaft 6 penetrates the toilet seat 2 and the main body 4 has an O
Although the rings 11 and 12 are attached, the gap between the rotary shaft 6 and the through hole of the toilet seat 2 and the through hole of the rotary shaft 6 and the main body 4 is large. Drive axis 6
On the other hand, an impact shearing force may be applied at the two through-hole portions of the toilet seat 2 and the main body 4, and the rotating shaft 6 may be damaged early.

Further, although the spring 10 is used to fix the rotating shaft 6, the structure is complicated and the assemblability is poor.

Further, the rib 9 may be damaged by an impact, or the spring 10 may be deteriorated and broken by ammonia gas or the like. In that case, the force for pressing the rotating shaft 6 is lost, and the rotating shaft 6 is lost.
May come off and damage the lead wire 5. Rotation axis 6
If the load on the spring 10 is reduced, even if the spring seat 10 does not fall out, the rotating shaft 6 may rotate at the O-ring 11 without rotating when the toilet seat 2 is rotated. .
In that case, since the lead wire 5 is fixed to the toilet seat 2 by the fixing member 7, the lead wire 5 may rotate together with the toilet seat 2, contact wear may occur on the inner surface of the rotating shaft 6, and disconnection may occur.

Therefore, the present invention solves this problem.

Means for Solving the Problems And the means for solving the above problems according to the present invention, a lead wire for connecting a heater of a toilet seat and a control device provided in the main body is passed through the rotary shaft, and the rotary shaft is It is fixedly press-fitted and fixed to the toilet seat from the outside.

Action The action of this technical means is as follows.

That is, after the lead wire is passed through the rotating shaft, the rotating shaft can be press-fitted and fixed from the outside of the toilet seat, so that the wiring workability of the lead wire is very good.

Since the rotation shaft is press-fitted into the toilet seat, there is no gap between the rotation shaft and the rotation shaft insertion hole of the toilet seat, and when the user sits on the toilet seat,
No shocking shearing force is applied to the rotating shaft. That is, it is possible to provide a rotating shaft having high durability.

Further, the rotary shaft can be fixedly pushed out by simply press-fitting it into the toilet seat, which has a simple structure and is easy to assemble.

Also, since the rotating shaft is securely fixed to the toilet seat,
The rotating shaft does not come off, and when the toilet seat is rotated, the toilet seat, the rotating shaft and the lead wire simultaneously rotate at the same angle, and the lead wire is not damaged or worn.

Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an exploded perspective view of a heating toilet seat showing an embodiment, and 14 is a toilet seat in which a heater 15 is arranged and a user sits on the toilet seat to warm up the surface. Reference numeral 16 is a main body, and an outer shell is constituted by a base 17 and a case 18. On the upper surface of the base 17, a control device 19 that controls the energization of the heater 15 according to the input of a temperature sensor (not shown) mounted inside the toilet seat 14 and keeps the surface temperature of the toilet seat 14 constant. Installed. A rotary shaft 20 and a rotary shaft 21 are provided at both ends of the rear portion of the toilet seat 14, and the rotary shaft 21 is formed integrally with the toilet seat 14. The rotary shaft 20 rises integrally from the base 17 and is fitted into a U groove portion of a fixed wall 22 having a U groove on the upper surface, and is rotatably fixed by screwing a mounting bracket 23 from above. The shaft 21 also rises integrally from the base 17 and is rotatably inserted into a lateral hole of a fixed wall 24 having a lateral hole on its side surface. Reference numeral 25 is a toilet pig that covers the surface of the toilet seat 14 when not in use, and has a pair of hinge portions 26 and 26 'having slit bearing holes, and is fitted to the rotating shaft 20 and the rotating shaft 21. Has been done. That is, the toilet seat 14 and the toilet pig 25 are independently and rotatably supported by the main body 16 by the rotating shaft 20 and the rotating shaft 21.
Before sitting on the seat 4, only the toilet pig 25 can be swung at the same time, and the toilet seat 14 and the toilet pig 25 can be simultaneously leaned and leaned against when leaning on a boy. 27 is a heater 15 inside the toilet seat 14.
The control device 19 is guided by the terminal and the temperature sensor terminal.
Are four lead wires that are electrically connected to each other by a connector, and are wired so as to pass through the center of the rotary shaft 20. Numeral 28 is a cam body integrally formed at the end of the rotating shaft 20, and when the toilet seat 14 is leaned against, the spring seat 29 attached to the base 17 on the lower surface of the cam body 20 is pressed to make the toilet seat 14 self-supporting. It has the purpose of helping. Reference numeral 30 denotes an adjusting volume for adjusting the surface temperature of the toilet seat 14, which is mechanically connected to a user-operated knob 32 inserted through the lateral hole 31 on the side surface of the case 18. Reference numeral 33 is a power cord for supplying power to the control device 19, and the cord outlet 34 is fitted to the base 17. Reference numeral 34 denotes a protective cover, which includes the control device 19, the mounting bracket 23,
The lead wire 27, the cam body 20, the spring plate 29, the adjusting volume 30, and the cord outlet 34 are covered from above, and even if water, dirty water, corrosive gas, or the like enters the main body 16, the internal parts are corroded. Are prevented.

FIG. 2 is a sectional view taken along the axial direction of the rotary shaft 20 in the state where FIG. 1 is assembled. The rotating shaft 20 is press-inserted into the toilet seat 14, and as shown in the perspective view of FIG. 36, a rotary fixing portion 37 to the base 17, and a cam body 28, which is an integrally molded product and is made of a material having high wear resistance such as polyacetal resin. Pressing part 3
On the lower surface of 5, there is provided a claw-shaped projection 39 which is locked to the wall 38 of the toilet seat 14 and prevents the rotating shaft 20 from coming off when the rotary shaft 20 is press-fitted into the toilet seat 14. The pressing portion 35 is the toilet seat 1.
Although it is press-fitted into the ear portion 40 protruding from 4, the outer dimension of the press-fitting portion 35 is equal to or slightly smaller than the size of the press-fitting hole of the ear portion 40. Absent. Further, since the pressing portion 35 has a non-circular shape, when the toilet seat 14 is rotated, the rotating shaft 20 surely rotates at the same angle as the toilet seat 14, and the rotating shaft 20 causes the toilet seat 14 to rotate. It does not rotate with respect to. Reference numeral 41 denotes a circular rib provided in the circumferential direction, which is a water drainage that prevents water and the like from entering the main body 16 along the rotary shaft 20. The rib 41 also has a purpose of coming into contact with the mounting member 23 and preventing movement of the rotating shaft 20 in the axial direction. Rotating shaft 20
A lead hole 42 penetrates through the central portion of the shaft, and the lead wire 27 is wired through the lead hole 42. 43 is
A tube that bundles the lead wires 27 inside the lead hole 42.

As described above, according to the configuration of the present embodiment, in the work of penetrating the lead wire 27 to the rotary shaft 20, first, the lead wire 27 guided from the heater 15 and the temperature sensor terminal is attached to the ear portion 40 of the toilet seat 14. After being exposed to the outside through the press-fitting hole of the rotary shaft 20, the lead wires 27 are bundled and passed through the lead hole 42 of the rotary shaft 20, and then the rotary shaft 20 is press-fitted into the press-fitting hole of the ear portion 40 of the toilet seat 14. Since there is no obstacle in penetrating the lead wire 27, the penetrating work can be performed smoothly.

Further, since the press-fitting portion 35 of the rotating shaft 20 and the press-fitting hole of the ear portion 40 are fixed with almost no rattling, even if the user sits on the toilet seat 14, a shocking shearing force is applied to the rotating shaft 20. The rotating shaft 20 has high durability without being damaged.

Further, since the rotation shaft 20 is fixed only by press fitting, the assembling property is very good.

Further, since the rotating shaft 20 is fixed to the toilet seat 14 so as not to be rotatable, when the toilet seat 14 is rotated, the toilet seat 14, the rotating shaft 20, and the lead wire 27 reliably rotate at the same angle. However, the lead wire is not damaged or worn.

Further, according to the present embodiment, since the rotating shaft 20 is made of a material having high wear resistance, the toilet seat 14 can be smoothly rotated and the durability can be further enhanced.

EFFECTS OF THE INVENTION The present invention is one in which a lead wire for connecting a heater of a toilet seat and a control device is penetrated through a rotating shaft, and the rotating shaft is press-fitted and fixed to the toilet seat from the outside by the following manner. Has a great effect.

That is, the workability is very good because the turning shaft can be fixed to the toilet seat after the lead wire is wired through the turning shaft.

In addition, since the rotating shaft is press-fitted into the toilet seat, it is securely fixed without rattling, so the structure is simple and the assembly is easy, and even when seated on the toilet seat, shocking shearing force is applied to the rotating shaft. There is no. Therefore, the durability of the rotating shaft is very high.

Further, since the rotating shaft does not rotate with respect to the toilet seat, when the toilet seat is rotated, the toilet seat, the rotating shaft, and the lead wire rotate at the same angle, and the lead in the penetrating wiring portion is rotated. It is possible to prevent the wire from being worn or damaged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a heating toilet seat showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the axial direction of a rotating shaft in the state where FIG. 1 is assembled, and FIG. External perspective view of the shaft, No. 4
The figure shows a schematic cross-sectional plan view of a conventional heated toilet seat, and FIG.
It is an A section enlarged view of a figure. 14 ... Toilet seat, 15 ... Heater, 16 ... Main body, 19 ...
... Control device, 20 ... Rotating shaft, 25 ... Fecal pig, 27 ...
... Lead wire, 39 ... Claw-shaped projection, 42 ... Lead hole.

Claims (1)

[Claims] 1. A toilet seat containing a heater, a main body, a rotary shaft for rotatably mounting the toilet seat on the main body, a controller for the heater provided inside the main body, the heater, and the control. And a lead wire for electrically connecting the device,
The rotating shaft includes a rotating portion, a press-fitting portion having an outer cross-sectional area in a direction perpendicular to the center of the rotating shaft larger than that of the rotating portion, and a non-circular outer shape. A lead hole extending therethrough, the lead wire is routed through the lead hole, and the rotary shaft is provided with the press-fitting portion on the toilet seat, and the inner shape is substantially equal to the outer shape of the press-fitting portion. A heated toilet seat that is press-fitted and fixed to the press-fitting hole from the outside.