JPH0653102B2 - Heating toilet seat - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heated toilet seat which is attached to a Western-style toilet bowl to warm the buttocks of a user.

2. Description of the Related Art Conventionally, a heating toilet seat of this kind has been disclosed, for example, in Japanese Utility Model Publication No. Sho 59-3240.
As shown in Japanese Patent No. 0, the structure is as shown in FIG. 5 and FIG. 6 showing a schematic cross section thereof.

That is, a base 2 having a fixing member to the toilet bowl 1 and a case 3 constitute a main body 4 and a toilet seat 6 in which a heater 5 is disposed, and a toilet pig 7 covering the toilet seat 6, a rotating shaft 8 and an E shaft. It was rotatably fixed to the case 3 by a ring 9. The base 2 and the case 3 are mechanically fixed from the side of the base 2 with a screw 10, and a control device 11 for controlling energization of the heater 5 is attached to the inside of the case 3 on the upper surface thereof. First, even if water or sewage enters the main body 4, the control circuit 11 is not directly exposed to the water or sewage.

Problems to be Solved by the Invention However, in the case of such a configuration, when water or dirty water enters the main body 4, even if it is prevented that the control device 11 is directly exposed to water, it enters. By steam when water and sewage evaporate,
Damage to electric parts such as the control device 11 could not be prevented. In particular, the area around the toilet bowl is often cleaned with a hydrochloric acid-based detergent. In that case, the detergent attached to the toilet bowl 1
The hydrochloric acid vapor is generated from the detergent stored in the clearance 12 between the base 2 and the toilet 1, and the fitting clearance 13 between the case 3 and the base 2 is generated.
From the inside of the body 4 to corrode the defenseless control device 11 and the like to cause a failure.

Further, since the base 2 is fastened to the case 3 by screws and the base 2 is fixed to the toilet 1, when repairing the control device 11 and the like inside the main body 4, first, from the toilet 1 to the main body,
After the removal, the screw 10 was removed to remove the base 2, and the inside had to be inspected. That is, the maintainability is poor and it takes time to repair.

Therefore, the present invention protects the control device from water, sewage, and steam thereof, and makes it possible to easily inspect the inside of the main body during maintenance.

Means for Solving the Problems And means for solving the above problems according to the present invention include a toilet seat having a built-in heater, a main body including a base and an outer cover, a controller for the heater, and a controller connected to the controller. A power cord, the control device is attached to the base, the upper cover is covered with an inner cover, a claw portion is provided on the inner surface of the outer cover, and a locking portion is provided at a position facing the claw portion of the base. The outer cover is detachably attached to the base by detachably fitting the claw portion and the locking portion.

Operation The effects of this technical means are as follows.

That is, the control device connected to the power cord is attached to the base, covered with the inner cover, and further covered with the detachable outer cover. Make sure that steam or the like does not enter the control device.

Further, there is no adverse effect on the control device due to detergent or hydrochloric acid vapor.

Further, since the outer cover and the inner cover can be easily removed for maintenance and inspection, it is possible to easily perform the maintenance while the heated toilet seat is fixed to the toilet bowl.

Embodiment One embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an exploded perspective view of a heated toilet seat showing an embodiment, and 14 is a toilet seat in which an electric heater 15 is disposed and which is warmed by the user sitting on the surface. 1
Reference numeral 6 is a base, and 17 is a case that serves as an outer cover. The base 16 and the case 17 form the outer grain of the main body 18. Reference numeral 19 is a toilet lid for covering the toilet seat 15 when not in use.

2, 3 and 4 are sectional views of the main part of the main body 18, FIG. 2 is a longitudinal cross-section of the main body 18, and FIG. 3 is the vicinity of AA in FIG. Cross section, 4th
The figure shows a cross section taken along the line BB in FIG. 20
Is a control device that controls energization to the electric heater 15 to control the surface temperature of the toilet seat 14, and various electronic components and a control volume 22 are mounted on a printed circuit board 21. The control device 20 is electrically connected by a lead wire 23 to an electric heater 15 and a temperature detecting element (not shown) provided in the vicinity of the electric heater 15.
As shown in FIG. 4, the lead wire 23 includes an ear portion 24 provided at the rear end portion of the toilet seat 14 and a rotary shaft 2 press-fitted and fixed to the ear portion 24.
5 is guided through the inside of the toilet seat 14 into the main body 18 through the inside of the seat 5, and is connected to the control device 20 by the connectors 26 and 27. The lead wire 23 passing through the rotation shaft 25 is protected by a protection tube 28. A cam 29 is integrally provided at the tip of the rotating shaft 25, and when the toilet seat 14 is rotated and leaned against and is almost upright, such as for men's small use, this cam 29 is attached to the base 16 below. Spring plate 30
To prevent the toilet seat 14 from falling down. A rotary shaft 31 is provided integrally with the ear portion 32 at a position facing the rotary shaft 25. The rotating shaft 31 is inserted with a clearance into a lateral hole 34 of a wall 33 that rises integrally from the base 16, and the rotating shaft 25 rises integrally from the base 16 and has a wall 33 'having a substantially U groove on the upper surface. The toilet seat 14 is rotatably held by the base 16, that is, the main body 18 by being supported by the pressing metal fitting 35 from above with a clearance as well. The base 16 is provided with a rib 36 integrated with the base 16 so as to enclose the control device 20, the lead wire 23, and the spring plate 30.
From the upper side, the inner cover 37 is provided with the control device 20, the lead wire 23,
The cam 29, the spring plate 30, and the retainer fitting 35 are provided so as to be sandwiched, fitted into the rib 36, and fixed with a screw 38. The controller 20 is held by a boss 39 rising from the base 16 and a boss 40 hanging from the inner cover 37. 41 is a power cord for supplying power, and the molded cord outlet portion 42 is
It is fitted in the notch portion 43 of and is sandwiched between the base 16 and fixed. The adjusting volume 22 fixed directly to the printed circuit board 21 is also fixed to the ribs 36 by the nuts 43 ′, and is inserted into the shaft 46 of the adjusting knob 45 guided through the lateral hole 44 provided in the case 17. ing.
By rotating the adjusting knob 45 by the user, the resistance value of the adjusting volume 22 can be changed and the surface temperature of the toilet seat 14 can be adjusted.

The case 17 has two claw portions 47 on the inner surface of the side, and is fixed by being engaged with the circular engagement portions 48 at both ends of the base 16. Further, a pair of mounting bolts 49 for attaching to a toilet bowl (not shown) are provided on the lower surface of the base 16.

As described above, according to the configuration of the present embodiment, the control device 20 is held on the base 16 and is further covered with the inner cover 37 inside the case 17 serving as the outer cover. Even if water or sewage enters the inside cover 3,
The control device 20 is not directly exposed to water, and the water and dirty water that have entered the case 17 are vaporized, and hydrochloric acid vapor due to detergent enters the gap between the base 16 and the case 17. Even if it goes up, it does not affect the inside of the inner cover 37. Therefore, the control device 20 does not break down due to corrosion or the like, and the performance can be maintained for a long time.

In addition, even if the control device 20 should fail, the adjustment knob 4
If you pull out 5 and pull both ends of the case 17 to the left and right, the claw 47
Is disengaged from the locking portion 48 of the base 16, and the case 1 is easily
It is possible to remove 7. If the screw 38 is removed, the inner cover 37 can also be easily removed and the internal maintenance can be performed even if the mounting bolt 49 of the base 16 remains fixed to the toilet bowl.

Further, since the cord outlet portion 42 of the power cord 41 is fitted and fixed to the notch portion 43 of the inner cover 37, even if the case 17 is accidentally removed, the power cord 41 and the control device 2
No tension is applied to the 0 electrical connection, and there is no risk of disconnection.

Further, according to the present embodiment, the cam 2 can be
Since parts such as 9, the spring plate 30, the lead wire 23, and the holding metal fitting 35 are also covered, water can be protected from corrosion due to infiltration of dirty water, and must be protected from external force after the case 17 is removed. Also comes out.

EFFECTS OF THE INVENTION In the present invention, since the control device is attached to the base and is further covered with the inner cover different from the outer cover from the upper part, water,
It is reliably protected against ingress of sewage and detergents and their vapors, and can prevent failures due to corrosion.

Further, since the outer cover is locked to the base by the claw portion, it can be easily attached and detached, and the inside can be inspected without removing the device body from the toilet bowl, and the maintainability is high.

Further, in the embodiment, since the outlet of the power cord is fitted and fixed to the notch provided in the inner cover, even if the outer cover is removed, tension is not applied to the electric connection portion and there is no possibility of disconnection.

As described above, according to the present invention, it is possible to provide a heated toilet seat having high reliability and excellent maintainability.

[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 cross-sectional view of a main part in the longitudinal direction of the main body, and FIG. 3 is a main part of the main body cut near AA in FIG. Sectional view, FIG. 4 is a sectional view of the main part of the main body taken along the line BB in FIG. 3, FIG. 5 is an exploded perspective view showing a conventional heated toilet seat, and FIG. 6 is a vertical sectional view of a conventional heated toilet seat. Is. 14 ... Toilet seat, 16 ... Base, 17 ... Case (outer cover), 20 ... Control device, 37 ... Inner cover, 41 ...
… Power cord, 47… Claw.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshitaka Morikawa 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. Equipment Co., Ltd. Kokura Second Factory (72) Inventor Mitsuhiro Higuchi 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka Prefecture Totoki Equipment Co., Ltd.

Claims (2)

[Claims] 1. A toilet seat including a heater, a main body including a base and an outer cover, a controller for the heater, and a power cord connected to the controller, the controller being attached to the base, In addition to covering the upper part with an inner cover, a claw portion is provided on the inner surface of the outer cover, a locking portion is provided at a position facing the claw portion of the base, and the claw portion and the locking portion are detachably fitted. By doing so, a heated toilet seat in which the outer cover is detachably attached to the base. 2. The power cord has a structure in which the outlet is fitted and held in a notch provided in the inner cover.
Heated toilet seat described in section.