JP2933877B2 - Western style toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a toilet seat,
The present invention relates to a Western style toilet that can be changed according to a user's physique.

[0002]

2. Description of the Related Art Referring to FIG. 1, a Western-style toilet bowl has an annular toilet seat 2 mounted on the upper edge of an annular opening edge of a tubular toilet body 1 via a support shaft 3 so as to be swingable upward. Further, a lid 4 is mounted on the toilet seat 2 via a support shaft 3 so as to be swingable upward.

In this Western style toilet, the toilet body 1 and the toilet seat 2 are made of large, medium and small sizes.
All are based on adults. For this reason, when a child such as an infant uses a toilet, the inner diameter of the toilet seat 2 is too large to fit the buttocks on the toilet seat 2, and the buttocks pass through and fall into the toilet body 1. There is.

[0004] As a technique for eliminating this inconvenience, Japanese Utility Model Laid-Open No.
Japanese Unexamined Patent Application Publication Nos. 3-153749, 59-189598 and 3-26, etc. These technologies use the toilet seat 2 as a left and right C-shaped seat plate 2a,
The inner diameter of the toilet seat 2 is adjusted by moving the seat plates 2a and 2b apart and closer by various driving means.

[0005]

In each of the above-mentioned prior arts, the operating portion of the driving means for the seat plates 2a and 2b is located at the rear portion of the toilet body 1, and for infants, the operating portion of the toilet body 1 is not provided. The operation unit cannot be reached from the front side, and the user must go to the rear to operate. For this reason, there is a case where the user wants to add the toilet seat 2 while the inner diameter thereof is wide, particularly when the user is in a hurry, and the accident that the toilet seat 1 falls into the toilet body 1 occurs.

The height of the toilet seat 2 (the height of the toilet body 1)
Since an infant is based on an adult, it is common for an infant to place a step on the front side of the toilet body 1 and to sit on the toilet seat using the step as a step.

[0007] In view of the fact that an infant needs a step, the present invention interlocks the movement of both seats with the movement of the step,
To obtain changing the inner diameter of the stool seat with one touch, it is an object of the invention to the easy toilet use is children such as infants.

[0008]

In order to solve the above-mentioned problems, the present invention provides a Western-style toilet in which the inner diameters of both seat plates forming a toilet seat can be adjusted by the above-mentioned driving means. A tread plate horizontal at a middle height is rotatably mounted upward, and a connecting rod for transmitting the rotation of the tread plate to the driving means is provided between the tread plate and the driving means. When the tread plate is horizontal, the driving means is used. The distance between the rear ends of both seats approaches,
When the tread plate stands up, the driving means moves away from the rear end of both seat plates (claim 1).

[0009] With this arrangement, when the adult is in normal use, the tread plate is erected upward, and the rear end portions of the two seat plates are moved away by the driving means via the connecting rod by the erecting operation, so that the toilet seat is The inner diameter is for adults, so there is no hindrance to adult use.

When used by a child such as an infant, when the child or the parent falls down on the tread plate, the rear end of the two seat plates is approached by the driving means via the connecting rod by the falling operation, and the inner diameter of the toilet seat is reduced. It will be for children and will not hinder the use of children. The child sits on the toilet seat using the treadle as a step and adds to the task.

One example of the driving means is a spring interposed between the rear ends of the two seats and biasing the rear ends of the two seats away from each other, the spring and the rear end of each seat plate. And a cam provided between the two cam pieces. The two cam pieces approach each other via a cam surface when the other cam piece rotates with respect to one cam piece. One cam piece is fixed to the rear end of the seat plate, the other cam piece is provided on the support shaft so that it cannot move in the axial direction, and the connection piece is connected to the other cam piece. hand,
The other cam piece is rotatable with respect to one cam piece in conjunction with the movement of the tread plate, and when the tread plate is horizontal,
The two cam pieces move away from each other and the rear ends of the two seat plates approach each other, and when the tread plate rises upward, the two cam pieces approach each other and the rear ends of the both seat plates move away from each other (claim 2).

With this arrangement, the rear ends of both seat plates smoothly approach or move away in accordance with the operation of the tread plate by the cooperation of the spring and the cam, so that the inner diameter of the toilet seat according to the user is obtained.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS. 1 to 3, and a Western-style toilet of this embodiment comprises a toilet body 1, a toilet seat 2, a lid 4 and a water tank 5 as described above. The function is the same as before.

The toilet seat 2 is divided into left and right C-shaped seat plates 2a and 2b as in the prior art, and rear ends thereof are bearings 11a and 1b.
1b, it is attached to a support shaft 3 provided at the rear end of the upper surface of the toilet body 1 so as to be vertically swingable and axially swingable. Further, the front ends of the seat plates 2a and 2b are connected to bendable by a soft synthetic resin joint 12. Even if the rear ends of the seat plates 2a and 2b are moved by the joint 12, there is an advantage that the front end hardly moves and the front side of the toilet seat 2 does not become narrow. The fact that the front side of the toilet seat does not narrow is effective for urination. If it is narrow, urine is likely to be applied to the ends of the seat plates 2a and 2b.
The joint 12 may be another foldable joint, for example, a joint formed by a spiral elastic body, another pin joint, or a hinge joint.

The support shaft 3 has a lid 4 rotatably mounted at the center thereof, and is supported on the toilet body 1 by bearings 13 on both sides thereof. The bearing 13 and the bearings 11a, 11
A coil spring 14 is interposed between the coils b, and the spring 14 urges the bearings 11a and 11b, that is, the seat plates 2a and 2b, in a direction away from the coil. A cam 15 is provided outside each of the bearings 11a and 11b. This cam 15 has two cam pieces 15a and 15b as shown in FIG.
And one cam piece 15a of the cam 15 is fixed to the bearings 11a and 11b (seat plates 2a and 2b), and the other cam piece 15b is fixed to the support shaft 3 or provided so as to be rotatable in the axial direction. Have been.

As shown in FIG. 4, the cam surface 16 of the cam 15 is formed so as to gradually increase in the circumferential direction in a half circumference, and one cam piece 15a is opposed to the other cam piece 15a.
As b rotates, the two cam pieces 15a and 15b move closer and further away via the cam surface 16. Therefore, the rotation of the other cam piece 15b causes this cam 15
The rear ends of the seat plates 2a and 2b approach and move away via the spring 14 and the spring 14.

Bearings 1 are provided on both sides of the front mid-height of the toilet body 1.
7, a tread plate 18 is swingably (rotatably) mounted between the bearings 17, 17. This tread 18
When the projection 19 hits the stopper 20 of the bearing 17, further downward swing is prevented. In this horizontal state, the infant sits on the toilet seat 2 with the tread plate 18 as a step. The tread plate 18 is swung upward (standing) or tilted by the handle 21.

A link 2 is provided on the projecting shafts 18a on both sides of the tread plate 18.
2 and the link 22 and the other cam piece 1 described above.
A connecting rod 24 is provided between the links 23 integral with 5b. For this reason, as shown by the solid lines in FIGS.
In a horizontal state, the seat plates 2a and 2b are approaching by the cam 15, and when the tread plate 18 stands up as indicated by a chain line,
The connecting rod 24, the links 23, 23 move as indicated by a chain line,
The seat plates 2a and 2b move away from each other as indicated by a chain line via the cam 15 and the spring 14, and the toilet seat 2 has an inner diameter for adults.

That is, the toilet of this embodiment normally uses the toilet seat 2 as an inner diameter for adults by standing up the tread plate 18 as shown by a chain line. On the other hand, children, such as infants,
As shown by the solid line, the tread plate 18 is horizontal, and the toilet seat 2 is used as an inner diameter for a child.

As the opening / closing mechanism of the toilet seat 2 (driving means for changing the distance between the rear ends of the seat plates 2a and 2b), various mechanisms described in the above-mentioned publications can be employed. For example, as shown in FIG. Then, the bearings 11a and 11b are screwed to the reverse screw shaft 25,
The reverse screw shaft 25 is turned by the swing of the tread plate 18, and the seat plate 2 is rotated.
a and 2b can be moved closer and farther apart. At this time, the screw pitch of the reverse screw shaft 25 is appropriately set so that the seat plates 2a and 2b can be moved by a required distance by rotation of the tread plate 18 due to undulation.

As shown in FIG. 1 and FIG.
A handle 26 is provided on the (reverse screw shaft 25), and the toilet seat 2 can be opened and closed with the handle 26 as well. Further, as shown in FIG. 5, the turning joint 12 may not be provided. Further, Japanese Patent No. 202557 obtained by the present applicant.
Of course, the present invention can be applied to the invention of No. 1 (Japanese Patent Publication No. 7-51118).

[0022]

The present invention is constructed as described above, and a step board is provided on the front surface of the toilet body, so that a child such as an infant can easily sit on the toilet seat, and furthermore, the rotation (swing) of the step board can be achieved. ), The toilet seat has an inner diameter that fits the child with a single touch, so that there is no danger that the infant will fall into the toilet body.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment.

FIG. 2 is a plan view of the embodiment.

FIG. 3 is a side view of the embodiment.

FIG. 4 is an exploded perspective view of a cam portion.

FIG. 5 is a plan view of another embodiment.

[Explanation of symbols]

 Reference Signs List 1 toilet body 2 toilet seat 2a, 2b seat plate 3 support shaft 11a, 11b bearing 12 deflection joint 14 spring 15 cam 15a, 15b cam piece 16 cam surface 18 tread plate 19 protrusion 20 stopper 24 connecting rod 25 reverse screw shaft 26 handle

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A47K 13/06 A47K 13/10 A47K 13/28 A47K 17/02

Claims (2)

(57) [Claims] 1. A tubular toilet body 1 and a toilet seat 2. The toilet seat 2 has left and right C-shaped seat plates 2a and 2b whose concave curved sides are opposed to each other. The rear ends of 2a and 2b are attached to the rear end of the upper surface of the tubular
A drive means which is mounted to be swingable in the vertical direction and slidable in the axial direction of the support shaft 3 and to change the distance between the rear ends of the two seat plates 2a, 2b, A Western-style toilet provided on the rear ends of the plates 2a and 2b and the support shaft 3, wherein an infant sits on the toilet seat at a height in the middle of the front of the toilet body 1.
When the tread plate 18 is horizontal, a horizontal tread plate 18 serving as a step platform is rotatably mounted upward, and a connecting rod 24 for transmitting the rotation of the tread plate 18 to the drive means is provided between the tread plate 18 and the driving means. When the rear ends of the two seats 2a and 2b are approached by the driving means and the tread plate 18 stands up, the rear ends of the two seats 2a and 2b are moved away by the driving means. Western style toilet bowl characterized by the following. 2. The driving means according to claim 1, wherein said both seat plates 2a, 2b
A spring 14 interposed between the rear ends of the support plates 2a and 2b for urging the rear ends of the seat plates 2a and 2b away from each other;
a, 2b and a cam 15 provided between the rear end portions. The cam is composed of two cam pieces 15a and 15b, and both cam pieces 15a and 15b The rotation of the cam piece 15b causes the cam surface 1 to rotate.
6, one of the cam pieces 15a is fixed to the rear end of the seat plate 2a, 2b,
The other cam piece 15b is provided on the support shaft 3 so as to be immovable in the axial direction, and the connecting piece 24 is connected to the other cam piece 15b, and the other cam piece 15b is linked with the movement of the tread plate 18. It is rotatable with respect to one of the cam pieces 15a, and when the tread plate 18 is horizontal, the two cam pieces 15a, 15
b moves away, the rear ends of both seat plates 2a, 2b approach, and when the tread plate 18 stands up, the two cam pieces 15a, 15b
2. The Western style toilet according to claim 1, wherein the rear ends of the two seat plates 2a and 2b are separated from each other.