JPH0438799Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of application of the invention) This invention relates to a toilet seat opening/closing device for a Western-style toilet bowl.

(Prior Art) In order to prevent the toilet seat from falling unexpectedly and suddenly, the applicant provided a spring case on the toilet body, fixed a hinge shaft to the spring case, and installed a fixing plate to the hinge shaft. The present invention has proposed an opening/closing device for a toilet seat, in which a bracket part of the toilet seat is rotatably attached, and a torsion coil spring is elastically wound around the hinge shaft between the spring case and the hinge shaft.

(Problem to be solved by the invention) This opening/closing device did not have a means to remove the toilet seat opening/closing device of an existing Western-style toilet and install it in its place, so a Western-style toilet for this opening/closing device was developed. In addition, torsion coil springs alone can hold the toilet seat stably in the fully open and free standing state and in the intermediate open state, and prevent the seat from falling suddenly when the lid is closed. It was extremely difficult to control.

The purpose of this invention is to provide a toilet seat opening/closing device that can be used with existing Western-style toilet bowls and is configured to stably hold the toilet seat in both the fully open free-standing state and the intermediate open state, and to prevent the lid from falling suddenly when the lid is closed. There is something to do.

(Means for Solving the Problems) In order to achieve the above-mentioned technical problems, this invention has a mounting part configured to be removably mounted on the toilet bowl body, and an integral part connected to the mounting part. a casing formed in a casing, a hinge shaft rotatably attached to the casing, a toilet seat having a bracket fixed to a portion of the hinge shaft extending outside the casing, and a toilet seat installed in the casing. a rotational torque control means for controlling rotation of the hinge shaft;
The rotational torque control means includes a cam part provided around the hinge shaft, an elastic means that is always in pressure contact with the cam surface of the cam part, and an elastic means that is wound around the hinge shaft and elastically installed between the hinge shaft and the casing. By constructing the toilet seat with a torsion coil spring, the toilet seat is safely held in the fully open self-supporting state and in the intermediate open state, and furthermore, the toilet seat is prevented from falling suddenly when the lid is closed.

This invention further provides that when the bracket of the toilet seat is fixed to the hinge shaft, the flat part of the bracket is brought into contact with a fixing plate attached to the hinge shaft so as to rotate together with the hinge shaft. be.

(Function) By configuring as described above, it can be used in place of a conventional opening/closing device without modifying or changing the design of an existing Western-style toilet bowl.

The rotational torque of the toilet seat is controlled by a cam part provided around the hinge shaft, an elastic means that is constantly in pressure contact with the cam surface of this cam part, and the elasticity of a torsion coil spring, and the rotation torque of the toilet seat is controlled by the elasticity of a torsion coil spring. The lid can be opened without much discomfort, the lid can be stably stopped and held at the intermediate opening angle and the fully open self-supporting state, and the lid can be prevented from falling suddenly when the lid is closed.

(Embodiment) Below, an embodiment of the toilet seat opening/closing device according to this invention will be described in detail based on the drawings.
A pair of casings 2 are installed above the rear part of the casing. This casing 2 has a flat mounting part 2.
a, 2a are integrally connected and formed,
This mounting portion 2a is removably mounted on the toilet main body 1 via a spacer 5 by a bolt 3 and a nut 4 passed through the mounting hole 2b. The hinge shaft 6 rotatably attached to each casing 2 has a portion protruding from the casing 2, and the bracket portion 7a of the toilet seat 7 rotates together with the fixed plate 8 by abutting the flat portion of the bracket portion 7a. It is fixed as follows. A toilet lid 13 is further rotatably attached to the hinge shaft 6.

Inside the casing 2, there is a cam part 9 fixed to the hinge shaft 6, an elastic means 10 made of a plate spring fixed to the inside of the casing 2 by a fixing pin 11, and an elastic means 10 which is wound around the hinge shaft and has one end thereof. A torsion coil spring 12 is provided with a torsion coil spring 12 having its end 12a locked to a fixing pin 11 and its other end 12b locked to a cam part 9, and a means for controlling the rotational torque of the toilet seat 7. , the elastic means 10 is always kept in pressure contact with the cam surface 9a of the cam portion 9.

Therefore, the rotational torque generated around the hinge shaft 6 as the toilet seat 7 opens and closes is transferred to the cam surface 9a of the cam portion 9 that rotates together with the hinge shaft 6.
This is controlled by the elasticity of the elastic means 10 that is in pressure contact with the torsion coil spring 12 and the torsion coil spring 12.

When the toilet seat 7 is closed, its rotational torque exceeds the torque of the torsion coil spring 12, keeping the lid closed, but when the toilet seat 7 is opened, it opens slightly and the hinge shaft opens at an intermediate opening angle. When the elastic means 10 passes over the convex portion 9b provided on the cam surface 9a of the cam portion 9 that rotates with the toilet seat 7, when the user releases the hand, the toilet seat 7 is moved by the torque of the torsion coil spring 12 that acts in a direction that cancels out the rotation of the toilet seat 7. ,
Due to the contact resistance when the elastic means 10 rides over the convex portion 9b, it is stably stopped and held at the intermediate opening angle. FIG. 7 shows this state. When a short child needs to relieve himself, there is no need to fully open the toilet seat 7, and he can relieve himself in this state.

The toilet seat 7 is further opened from this state, and is held stably by the torque of the torsion coil spring in the fully open freestanding state shown in FIG. It never gets put away. The cam portion 9 is provided with a recess portion 9c and a stopper portion 9d, which facilitates the rotation of the toilet lid 7 when it is fully opened, and also allows it to be stopped so that it does not open beyond a certain opening angle. I'm getting used to being able to do it.

When closing the opened toilet seat 7, the elastic means 10 is pressed again.
Since it is necessary to overcome the protrusion 9b provided on the cam surface 9a of the cam portion 9, the force of the toilet lid 7 is lost, and as it is further closed, the repulsive force of the torsion coil spring increases, so the toilet seat 7 At this time, the lid will not suddenly fall and close.

In addition, the opening/closing device according to this invention can be replaced with the opening/closing device of a toilet seat used in a toilet bowl that is already in use. Mounting hole 1a
By attaching the mounting part 2a to the hinge shaft 6 via the bolt 3, nut 4, and spacer 5, fixing the bracket part 7a of the toilet seat 7 to the hinge shaft 6 via the fixing plate 8, and further pivoting the toilet lid 13. , anyone can easily perform this exchange work.

(Effect of the invention) As explained in detail above, according to this invention,
A hinge shaft with a fixed toilet seat, which allows the opening/closing device of this invention to be easily installed by removing the conventionally known old opening/closing device without modifying or changing the design of a conventionally known Western-style toilet bowl. Since the rotary torque control means configured as described above for controlling the rotary torque generated around the hinge shaft is provided inside the casing, the exterior of the device becomes extremely sleek. At the same time, it is possible to prevent dust from entering the inside of the casing.

Furthermore, this invention prevents the toilet seat from tilting and falling suddenly, so the toilet seat does not close with a loud noise, and it also prevents the toilet seat from soiling the toilet seat when it falls down during errands. It is possible to achieve such effects as there is no need to worry about damaging the attached heat-retaining device or cleaning device.

Furthermore, since the opening/closing device according to this invention can stop and hold the toilet seat at an intermediate opening angle,
This also has the advantage of allowing young children to perform errands without having to fully open the toilet seat each time.

[Brief explanation of the drawing]

The drawings show one embodiment of this invention; Fig. 1 is a partially sectional side view of a Western-style toilet using the toilet seat opening/closing device according to this invention, Fig. 2 is a plan view of the same, and Fig. 3 is an example of this invention. A rear view of the toilet seat opening/closing device, FIG. 4 is a sectional view taken along line A-A in FIG. 3, and FIG. 5 is a sectional view taken along line B-- in FIG. 3.
6 is a bottom view of the opening/closing device removed from the toilet bowl, and FIGS. 7 and 8 are explanatory diagrams for explaining the operation of the opening/closing device. 1...Toilet body, 1a...Mounting hole, 2...Casing, 2a...Mounting part, 3...Bolt, 4...
Nut, 5... Spacer, 6... Hinge shaft, 7... Toilet seat, 7a... Bracket part, 8...
Fixed plate, 9... cam part, 9a... cam surface,
10...Elastic means, 9b...Convex portion, 12...Torsion coil spring.

Claims (1)

[Scope of utility model registration request] A mounting part configured to be removably mounted on the toilet main body, a casing connected to and integrally formed with the mounting part, a hinge shaft rotatably mounted to the casing, and the hinge. a fixed plate having an angled cross section and provided to rotate together with the shaft; a toilet seat having a bracket attached to the hinge shaft and fixed by abutting the flat part of the fixed plate against the bracket; It consists of a rotational torque control means for controlling the rotation of the hinge shaft, and the rotational torque control means is configured to hold a cam portion provided around the hinge shaft and the toilet seat provided on the cam portion at an intermediate opening angle. a cam surface having irregularities for the purpose of the cam surface, an elastic means that is always in pressure contact with the cam surface, and a torsion coil spring that is wound around the hinge shaft and elastically installed between the hinge shaft and the casing. An opening/closing device for a toilet seat, characterized in that the toilet seat is safely held in a fully open self-standing state and an intermediately open state, and is further prevented from falling suddenly when the lid is closed.