JPH01293825A - Stool seat device - Google Patents

Abstract

PURPOSE:To improve reliability by using a prevention sensor for preventing the damage of a seat moving along a stool seat frame. CONSTITUTION:A stool seat device 1 is provided a stool seat frame 5, a taking out port for drawing a seat 6 and a seat feeding means 9 on a base body 3 attached to a stool 2 and a control means 11 with a prevention sensor preventing the damage of the seat 6 is attached thereto. The control means 11 is constituted of a mark sensor 90 for detecting a fixed dimension mark 28 provided on the seat 6 and a prevention sensor 91 consisting of a sitting sensor 91A for detecting the sitting of a user to the stool seat frame 5 and a stool seat frame sensor 91B for detecting the jumping of the stool seat frame 5 and they respectively operate or stop motors M, m through a control circuit 92. The mark sensor 90 detects the change of the amount of received light caused by the passing of the fixed dimension mark 28. The sitting sensor 91A detects the decrease in the amount of received a light caused by the closing of a through hole 95A due to the sitting of the user and the stool seat frame sensor 91B detects the decrease in the amount of received light generated from the overlap of a through hole 95B and a case cover 31 due to the jumping of the stool seat frame 5, respectively. Thereby, troubles such as the break, the extension of the seat 6, the winding thereof the seat feeding means 9 can be prevented.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a toilet seat device that provides a sheet body that covers a toilet seat frame used in a Western-style toilet bowl to enable sanitary use of the toilet bowl. More specifically, the present invention relates to a toilet seat device that prevents damage to the seat caused by abnormal loads on the seat body and prevents troubles such as breakdowns.

[Conventional technology]

In recent years, with the improvement of the living environment, there has been a desire for sanitary use of toilet bowls, especially Western-style toilet bowls, and the toilet seat device described in Japanese Patent Publication No. 57-29174, for example, has been known as a device that satisfies such demands. It is being

As shown schematically in FIG. 12, this device has a main body that is equipped with an electric motor and a sheet feeder C that rewinds a cylindrical sheet body A from a roll body B, and a device body that is approximately U-shaped and has one end. A toilet seat frame E is integrally fixed to the main body of the device in a cantilevered manner,
A new sheet body A is supplied to the toilet seat frame E by collecting the sheet body A that is extrapolated from the other free end of the toilet seat frame E from the other end.

[Problem to be solved by the invention]

However, in such a device, it has conventionally been possible for the seat body A to break due to an abnormal load on the seat body A caused by the operation of the sheet feeder C when the seat is seated on the toilet seat frame E, or by an incorrect operation such as seating during the operation. This tends to cause problems such as stretching and damage, which greatly impairs the reliability of the device.

The present invention provides a toilet seat device that can solve the above problems and improve the reliability of the device, based on the provision of a preventive sensor that detects the cause of abnormal loads on the seat and prevents damage to the seat. The purpose is to provide

[Means to solve the problem]

In order to achieve the above object, the toilet seat device of the present invention includes a toilet seat frame, a take-out opening for pulling out a long sheet, and a seat for pulling out the long sheet along the toilet seat frame. A sheet feeder is provided to move the sheet from one end to the other end, and a prevention sensor is provided to prevent damage to the sheet that moves along the toilet seat frame.

Further, as the preventive sensor, a seating sensor that detects when a user is seated on the toilet seat frame may be used, or a toilet seat frame sensor that detects the lifting of a toilet seat frame that is pivotally supported so as to be able to flip up.

[Effect]

By preventing damage to the sheet using the preventive sensor in this manner, the occurrence of breakdown troubles caused particularly by erroneous operation can be significantly reduced, and the reliability of the apparatus can be greatly improved.

The prevention sensor detects when the user is sitting on the toilet seat frame,
In addition to stopping the operation of the seat feeder when there is an abnormal load on the seat due to the sitting, it also detects the lifting of the toilet seat frame and stops the operation of the seat feeder when the seat is bent at both ends of the toilet seat frame due to the lifting. By doing so, damage to the sheet can be prevented.

〔Example〕

An embodiment of the present invention will be described below based on the drawings.

In the figure, the toilet seat device 1 is provided with a toilet seat frame 5, a take-out lower for pulling out the seat 6, and a sheet feeder 9 for moving the pulled-out seat 6 on a base 3 attached to the toilet bowl 2. A control means 11 having a preventive sensor 91 for preventing this is attached.

As shown in FIGS. 1 to 3, the toilet bowl 2 is a Western-style toilet bowl, and has a substantially elliptical flange portion 2B around the upper end of the toilet bowl base 2A, which is bolted to the floor surface.
The front edge and side edges of the top surface form a surface S1 on which the toilet seat frame 5 is placed, and the rear edge forms a mounting surface S2 for fixing the base 3.

In this example, the base body 3 is fixed above the mounting surface S with a gap d therebetween via a pair of mounting brackets 4 bolted to the mounting surface S2, and a pivot provided on the mounting brackets 4. The toilet seat frame 5 is pivotally connected via a support shaft 15. The gap d is a gap for cleaning, and has a size that allows insertion of at least a fingertip, etc., thereby facilitating the cleaning operation over the entire circumference of the base body 3.

As shown in FIGS. 4 and 5, the mounting bracket 4 is attached to the mounting surface S2.
At one side edge of the lower piece 13A attached to the
The base body 3 is placed between the upper pieces 13B, which are arranged in a Z-shape in which the vertical pieces 13C having B are raised and are opposed to each other and project outward from each other.

Further, in this example, a pivot shaft 15 for attaching the toilet seat frame 5 stile is attached to one of the mounting brackets 4A, and one end of the pivot shaft 15 is supported by a hanging piece provided on the side edge of the upper piece 13B, and the pivot shaft 15 is Piece 13C
A pivot shaft portion 15C extending outward via a forward bending portion 15B is folded back at the inner end of the base shaft portion 15A penetrating through and extending inward. Further, the pivot shaft 15 is connected to the upper piece 1.
The bent portion 15 is formed between the protruding piece 16 extending inward from the protruding piece 3B and the support piece 17 screwed to the lower end of the protruding piece 16.
By sandwiching B, it is held by the mounting bracket 4A so as not to be tiltable. The pivot shaft 15 can be of various shapes as long as it has a pivot shaft portion 15C.
It can also be installed directly on the

Further, the toilet seat frame 5 is pivotally attached to the pivot shaft portion 15C via a hook-shaped spring piece 19 whose one end is locked to the bent portion 15B and whose other end extends forward.

The toilet seat frame 5 has a substantially U-shaped base 5A along the placement surface S1.
The pivot shaft portion 1 is provided at the rear end, that is, at both ends facing the base body 3.
A curved portion 5B is formed that curves smoothly toward 5C, and the toilet seat frame 5 is cantilever-supported on the pivot shaft 15 via a pivot fitting 20 attached to one curved portion 5B1 so as to be able to flip up. Ru.

The pivot fitting 20 includes a base tube portion 2OA that is inserted over the pivot shaft portion 15C, and a fitting that is welded to the side surface of the base tube portion 2OA.
It consists of a plate part 20B.

Further, the toilet seat frame 5 is covered with a sheet 6.

In this example, the sheet 6 has a long, light-transmissive cylindrical shape made of a synthetic resin material such as a vinyl sheet, and is wound into a roll and stored in the base 3.
1 and the other curved portion 5B2 of the toilet seat frame 5.
The seat 6 that is inserted from the tip, that is, the free end P, is attached to the toilet seat frame 5 until it reaches the tip of one curved portion 5B1, that is, the pivot end Q.
Cover its entire length. In this example, a cutting tool 23 is attached to the lower surface of the bulging part 22 that protrudes inside the curved part 5B1, and a used seam 6) is collected from the curved part 5B1.
Seat 6A is removed from toilet seat frame 5 by cutting one side of A.
is removed. Note that the above-mentioned cutting also serves to prevent reuse of the sheet 6A.

In addition, on the sheet 6, in this example, a strip-shaped sizing mark 28 colored by printing, dyeing, etc. is provided around the middle direction of the sheet 6, and is a covering of the toilet seat frame 5, which is determined according to the length between both ends of the toilet seat frame 5. They are provided at intervals of a possible length.

The spring piece 19 biases the toilet seat frame 5 in the direction in which it springs up, and forms a small gap between the toilet seat frame 5 and the toilet bowl 2, or reduces the contact pressure between the two. 6 is smoothly moved between the toilet seat frame 5 and the toilet bowl 2.

The base body 3 includes a case body 29 that is open at the top and the front and is surrounded by a bottom plate piece 25, a back plate piece 26, and a side plate piece 27, and a case cover 31 that covers the open part of the case body 29. The main body 29 partitions the interior into inner chambers 33A, 33B and outer chambers 35A, 35B by a partition wall piece 32- parallel to the side plate piece 27, and also has an inner chamber 33A,
33B has its front surface airtightly closed by a front wall piece 36 connecting between the partition wall pieces 32.

Further, the case body 29 has an outer chamber 35A facing the free end P of the toilet seat frame 5, and a supply chamber 3 for storing the roll body 21.
7 and the other outer chamber 35B facing the pivot end Q form a recovery chamber 39 for storing the used sea shell 6A. The roll body 21 is held by a support shaft 42 that is removably supported between U-shaped bearings 41 provided at the upper ends of the side plate piece 27 and the partition wall piece 32, and the used sheet 6A is A winding shaft 4 whose one end is locked to an output shaft 43 of an electric motor M housed in an inner chamber 33B adjacent to the recovery chamber 39, and whose other end is pivotally supported by a U-shaped bearing 45 of a side plate piece 27.
It is wound up by 0. As shown in FIG. 6, the output shaft 43 is connected to a locking fitting 47 at its tip that passes through the partition wall piece 32 via a well-known torque limiter 46 that slips when excessive torque exceeding a specified value is applied. The winding shaft 40 is connected to the output shaft 43 integrally and detachably by forming an engaging recess 40A at one end to engage with the locking fitting 47.

The electric motor M is operated by, for example, a rechargeable battery N stored in the other interior chamber 33A.

Further, the case body 29 is provided with a sheet feeder 9.

In this example, the sheet feeder 9 includes a feed roller 5 disposed in the collection chamber 39 parallel to and in front of the winding shaft 40.
2, and is stored in the operation box 54 outside the side plate piece 27,
and an electric motor m that drives the feed roller 52, and the electric motor m is operated by the battery N.

In this example, the feed roller 52 has serrated claw pieces 56 protruded at a small height on a plurality of circumferential lines spaced apart at appropriate intervals on the circumferential surface of a roller piece 55 that fits onto an output shaft 53 extending from an electric motor m. Therefore, the tip of the claw piece 56 penetrates the sheet 6A disposed on the upper surface thereof, and as the feed roller 52 rotates, it pulls the sheet 6A backward with a strong gravitational force. It is possible to move towards

Note that the sheet 6A is pulled rearward by the feed roller 52 because the sheet 6A is a continuous body from the roll body 21, so the sheet 6 unwound from the roll body 21 is moved along the toilet seat frame 5 to the free end P. It will be moved from there toward the pivot end Q. The feed roller 52 includes, for example, as schematically shown in FIG. A pawl ring 6 is fitted so as to be integrally rotatable with the cylindrical roller 59, and the pawl ring 6 has the surrounding pawl pieces protruding from the circumferential surface of the sliding roller piece 59.
Various structures can be adopted, such as a complex formed with 0-.

Note that in this embodiment, the output shaft 53 is connected to the inner chamber 33.
A, 33B and a long shaft body passing through the supply chamber 37,
A penetrating portion of the output shaft 53 that passes through the supply chamber 37 includes:
A guide roller 61 passing above the sheet 6 is attached so as to be integrally rotatable. Further, the case body 29 provided with the sheet feeder 9 in this manner has a protruding shaft 62 protruding from the outer surface of the side plate piece 27.
Case cover 31 is attached to.

As shown in FIG. 4, the case cover 31 includes a peripheral wall 65 that covers the open portion of the case body 29, and side walls 66 that are arranged on both sides of the peripheral wall 65 and overlap with the outer surface of the side plate piece 27, By loosely fitting the U-shaped bearing hole 67 provided at the lower edge of the side wall 66 onto the protruding shaft 62, the case cover 3
1 is held rotatably around a protruding shaft 62.

Note that the lower edge 65A of the peripheral wall 65 is connected to the case body 29.
The lower edge 6 is terminated at a position below the lower surface to prevent splashing water, urine, etc. from entering the inside of the base 3.
5A, a take-out lower for pulling out the sheet 6 rewound from the roll body 21 from inside the base body 3 and an intake port 8 for pulling the used sheet 6A into the base body 3, at positions that match the supply chamber 37 and the recovery chamber 39. is cut out. Further, on the peripheral wall 65, a measuring window 69 for visually checking the remaining amount of the roll body 21 is formed at a position that matches the supply chamber 37, and is covered with a transparent sheet 1-. As a result, the pressure roller 70 that ensures pressure contact of the used sheet 6A to the feed roller 52 is pivotally mounted in an idle state.

Furthermore, the base body 3 to which the toilet seat frame 5 is pivotally mounted and provided with the take-out lower, the intake port 8 and the sheet feeder 9 includes a control means 11 for controlling the operation of the sheet feeder 9, and a control means 11 for controlling the inside of the toilet bowl 2. A cover plate 10 is further provided which hides the cover plate when it is inverted.

In this example, the control means 11 includes a mark sensor 90 that detects the sizing mark 28 provided on the seat 6, a seating sensor 91A that detects the seating of the user on the toilet seat frame 5, and detects the lifting of the toilet seat frame 5. The toilet seat frame sensor 91 includes a preventive sensor 91 consisting of a toilet seat frame sensor 91B, and operates and stops the electric motors M and m via a control circuit 92, respectively.

Note that the control means 11 is operated by the battery N.

In this example, the mark sensor 90 is a well-known transmission type optical sensor, and can detect a change in the amount of light received when the sizing mark 28 passes between a light emitting terminal and a light receiving terminal. It is attached to the inner surface of the side plate piece 27 of the chamber 39.

The prevention sensor 91 is a light-receiving type optical sensor having a large-diameter CDS element, and in this example, a through hole 95A is provided on the lower surface of the base 5A on the side of the pivot end Q of the toilet seat frame 5, and the light-receiving surface thereof is provided in the base 5A.
95B, it can be installed facing upwards and exposed. The seat sensor 91A is located at the user's sitting position, that is, the front position of the base 5A, and the toilet seat frame sensor 91B is located at the position in front of the base 5A, and the toilet seat frame sensor 91B is located at the position where the toilet seat frame 5 is flipped up and overlaps the surrounding wall 65 of the case cover 31, as shown in FIG. Each sensor 91 is provided at a position where the toilet seat frame 5 is pulled down and not seated.
A and 91B receive indoor lighting and external light from a window, and the seating sensor 91A detects a decrease in the amount of light received due to the closure of the through hole 95A due to the user sitting.
Further, the toilet seat frame sensor 91B detects a decrease in the amount of received light caused by the overlapping of the through hole 95B and the case cover 31 due to the lifting of the toilet seat frame 5.

The control circuit 92 also controls the sensor 9 as shown in FIG.
0.91, connected to the electric motors M, m and a switch SW provided in the operation box 54, and when the switch SW is turned on with the toilet seat frame 5 being pulled down and not seated, the electric motors M, m are operated, and the seat feeder is 9 moves the sheet 6, and the mark sensor 90 detects the sizing mark 2.
8, the electric motors M and m are stopped.

Therefore, the mark sensor 90 ensures that the sheet 6 is moved by a fixed distance, and prevents deterioration in hygiene due to insufficient collection of the sheet 6 and economic loss due to excessive collection. Further, when the toilet seat frame 5 is lifted up or the user is seated while the seat 6 is moving, the seating sensor 91A and the toilet seat frame sensor 91B detect this, respectively, and instantaneously stop the electric motors M and m. . Therefore, the seating sensor 91A1 and the toilet seat frame sensor 91B can prevent the seat 6 from being bent, stretched, or otherwise caused by a significant increase in movement resistance caused by the bending of the seat 6 due to the flip-up or by the loading of the seat. The control circuit 92 controls the electric motor M,
Restart m and it works fine.

Also, in the flip-up or seated state, the switch SW is set to O.
When the ON signal is N, the control circuit 92 ignores the ON signal and the electric motors M and m are not operated.

Note that the seating sensor 91A and the toilet seat frame sensor 91B can each be used as one preventive sensor 91, and the mounting positions of the preventive sensor 91 and mark sensor 90 can be selected as appropriate depending on the structure of the device.

The cover plate 10 also includes a pair of arm pieces 73 having a pivot hole 72 at one end that is loosely fitted into the protruding shaft 62 and curved in an arch shape along the side wall 66 of the case cover 31; A cover piece 75 is provided between the other ends and whose outer edge extends outward beyond the inner edge of the toilet seat frame 5 to cover the toilet seat frame 5 and hide the interior of the toilet bowl 2 in the inverted state.

In this example, the cover piece 75 is formed with a handle part 76 projecting forward on its front edge, and the outer edge of the handle part 76 is connected to the outer edge R1 of the toilet seat frame 5 and the flange part 2 of the toilet bowl 2.
By passing the B outer edge R2 outward, the outer edges R1, R
More than two exposed portions of the lower surface of the handle portion 76 form a downward surface 77 that can be operated by hand.

Further, a rolling roller 79- is pivotally attached to the cover piece 75 at a position facing the toilet seat frame 5 on the lower surface thereof.

The rolling rollers 79 prevent surface contact between the cover 75 and the toilet seat frame 5 in the inverted state, and move the seat 6 against the toilet seat frame 5.
It is used for smooth movement between the cover piece 75 and the toilet seat frame 5, and is provided at an appropriate position facing the toilet seat frame 5, in this example, at the front and side portions of the cover piece 75. The rolling roller 79 has supporting shaft parts 79B protruding from both ends of the roller part 79A, and as shown in FIG. By pivoting the support shaft portion 79B between the through hole 85 of the mounting piece 83, the rolling roller 79
It is rotatable in the same direction as the moving direction of , and the lower end is attached beyond the lower edge of the mating edge 81 .

In this example, the cover piece 75 is provided with light transmission holes 86A and 86B at positions that match the seating sensor 91A and the toilet seat frame sensor 91B, so that the seating sensor 91A and the toilet seat frame sensor 91B are exposed to the outside, respectively.

This allows the prevention sensor 91 to receive external light, etc.
The sheet feeder 9 can be operated when the cover plate 10 is in an inverted state. Note that when the light transmission holes 86A and 86B are eliminated, the sheet feeder 9 can be configured to be prohibited from operating in the inverted state, and in such a case, the rolling roller 79 can be eliminated.

In this way, the toilet seat device 1 of the present invention is provided with the preventive sensor 91 consisting of the seating sensor 91A that detects seating on the toilet seat frame 5 and the toilet seat frame sensor 91B that detects the lifting of the toilet seat frame 5. Even if the switch SW is operated while the toilet seat frame 5 is in the raised state, the sheet feeder 9 will not operate, which will prevent the seat 6 from breaking, stretching, or even getting caught in the sheet feeder 9. This can be prevented and the reliability of the device can be greatly improved. In addition to the optical sensor, the prevention sensor 91 includes a human body and a cover case 3.
Various types of sensors such as pressure sensors and infrared sensors for detecting contact with 1 can be employed, and their mounting positions can be set as appropriate.

〔Effect of the invention〕

The toilet seat device of the present invention, which is constructed like soft soil, uses a preventive sensor that prevents damage to the seat that moves along the toilet seat frame, so orders for malfunctions caused by seat damage can be significantly reduced, and the device reliability can be increased.

In addition, when a seating sensor and a toilet seat frame sensor are used as preventive sensors, it is possible to prevent the sheet feeder from operating when the seat is seated on the toilet seat frame or when the toilet seat frame is flipped up, which are the main causes of sheet breakage in the past. I can do it.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention, Figs. 2 and 3 are front and side views thereof, Fig. 4 is an exploded perspective view showing a part thereof in an enlarged manner, and Fig. 5 is a base body. 6 is a sectional view thereof, FIG. 7 is a schematic side view showing the mounting position of the toilet seat frame sensor, FIG. 8 is a route map showing the circuit of the control means, and FIG.
Figure 10 is an exploded perspective view showing the arm piece, Figure 10 is an exploded perspective view showing the mounting state of the rolling roller, Figure 11 is a sectional view showing another embodiment of the feed roller, and Figure 12 is a perspective view showing the prior art. It is a diagram. 2-toilet bowl, 3-base, 5-toilet seat frame, 6-sheet, 7-take-out port, 9-sheet feeder, 91-prevention sensor, 91A-seating sensor, 91B--toilet seat frame sensor. Patent Applicant Sparrow Japan Co., Ltd. Agent Patent Attorney Tadashi Naemura Figure 7 $10 9g

Claims (1)

[Scope of Claims] 1. A base body attached to a Western-style toilet bowl includes a toilet seat frame, a take-out opening for pulling out a long sheet, and the pulled-out sheet is moved from one end to the other end along the toilet seat frame. What is claimed is: 1. A toilet seat device comprising: a sheet feeder for moving the seat; and a prevention sensor for preventing damage to the seat moving along the toilet seat frame. 2. The toilet seat device according to claim 1, wherein the prevention sensor is a seating sensor that detects a user sitting on the toilet seat frame. 3. The toilet seat device according to claim 1, wherein the toilet seat frame is pivotally supported on the base body so as to be able to flip up, and the prevention sensor is a toilet seat frame sensor that detects flip-up of the toilet seat frame.