JP3085582B2 - Sanitary washing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a device which is attached to a toilet bowl and is used for washing by spraying warm water onto a body part after addition. The present invention relates to an improvement of a sanitary washing device configured to finely move a hot water jet position by an operation unit of the washing device as needed.

(Prior Art) FIGS. 10 and 11 show a schematic configuration of a conventional sanitary washing device.
And in FIG.

The sanitary washing device 100 is installed at the rear of the upper surface of the toilet 101, and the washing water flowing into the heating device 102 is heated to an appropriate temperature by the heating device 102 through the electromagnetic valve 103 from the external water supply source. The water is sprayed from the spray nozzle 104 toward a local part of the person sitting on the toilet seat 105 through the water pipe.

Reference numeral 106 denotes an operation control unit of the sanitary washing device 100, and reference numeral 107 denotes an operation panel provided with a push button for hot water injection and the like. 108 is a flush water tank and 109 is a toilet bowl lid.

(Problems to be Solved by the Invention) Since the injection area of the injection nozzle 104 is generally set to be considerably narrow, it is difficult to remove the dirt when the area around the local area is stained when adding.

Therefore, in order to completely remove the spread dirt, a person sitting on the toilet seat had to move his / her body back and forth and left and right, which was extremely troublesome. Performing such an operation is particularly troublesome for a handicapped elderly or sick person.

In addition, an elderly person, a child, or the like, who has difficulty controlling the carrying of the body freely, is likely to inadvertently apply cleaning water to places other than the local area when performing the above operation.

In view of the above, an object of the present invention is to attach a toilet to a toilet and inject washing water from a spray nozzle to a local part of a person sitting on a toilet seat, and operate a switch or the like provided in an operation unit of the washing device. Alone, the position of the injection nozzle of the injection nozzle can be arbitrarily moved within a predetermined range, and even without a person moving, a sanitary washing device configured to be able to completely and easily wash even the vicinity of a local part. To offer.

[Means for Solving the Problems] In order to achieve the above object, a sanitary washing device according to the present invention comprises: a nozzle tube having a cleaning water injection port at its tip; A casing that is supported so as to be able to move back and forth in the axial direction, a rotating drum that is attached to the casing and that is rotated in forward and reverse directions by an electric motor, and that converts the rotating motion of the rotating drum into a reciprocating motion. A transmission member made of a band-shaped leaf spring or the like, which transmits the inner cylinder to the inner cylinder of the nozzle cylinder and displaces the inner cylinder to a forward or backward position, and the inner cylinder moved to the advanced position by a predetermined short distance. A fine movement mechanism using a gear, a cam, or the like that moves back and forth integrally with the nozzle cylinder within the range is provided.

The fine movement mechanism includes: at least one engagement pin protruding from a predetermined cylindrical location on a side end surface of the rotating drum; and a Geneva gear having at least one pin groove formed in a peripheral edge portion for loosely fitting the engagement pin. When the electric motor is alternately rotated in the forward and reverse directions by a predetermined angle, a combination of a connecting rod that converts the rotational movement of the Geneva gear into reciprocating movement and transmits the reciprocating movement to the nozzle cylinder, or The fine movement mechanism includes at least one gear provided at a predetermined position on an outer peripheral surface of the rotary drum; a gear including at least one tooth portion meshed with the gear; A configuration may be adopted in which the rotating motion of the gear is changed to a reciprocating motion when the gear is alternately rotated in the direction by a predetermined angle, and the connecting rod is transmitted to the nozzle cylinder.

Further, an inner cylinder having an injection port for injecting washing water to a human body local part, and an outer cylinder supporting the inner cylinder and cooperating with the inner cylinder so that the injection port draws a predetermined trajectory, A fine movement mechanism for electrically driving the outer cylinder so that the injection port follows the predetermined trajectory may be provided.

(Operation) When the operator sits down on the toilet seat and operates the operation unit of the control device provided in the sanitary washing device, the electric motor 27 is rotated forward, and this rotating motion is converted into forward movement by the transmission member 6 and the nozzle 27 is moved forward. The nozzle 3 is transmitted to the cylinder 3 and brought to the predetermined use position where the nozzle 3 has moved forward, and the washing water is jetted from the jet port 20 or 21 toward a local portion.

At this time, when it is desired to sufficiently clean the periphery of the local area, when the fine adjustment operation is performed by the operation unit of the control device, the electric motor 27 is rotated forward and reverse with a predetermined rotation angle and rotation period, and this movement is Conveyed to.

This rotating motion is converted into a reciprocating motion by the transmission member 6 and the fine movement mechanism 7 and transmitted to the nozzle cylinder 3 so that the positions of the injection ports 20 and 21 are moved forward / backward little by little within a predetermined range.
Since the operation of retreating is repeated, the local area and its surroundings are smoothly cleaned.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 8.

First, a schematic configuration of a sanitary washing device according to the present invention will be described with reference to FIG.

Reference numeral 1 denotes a housing of the apparatus, which has an obliquely downward opening 2 at the front side (right side in the figure).

Numeral 3 is a nozzle cylinder which injects washing water heated to an appropriate temperature obliquely upward from its tip (right end in the figure), is disposed obliquely downward in its casing 4, and can move back and forth in the axial direction. At the time of washing, the tip side is projected from the opening 2 into the toilet.

Reference numeral 5 denotes a rotating drum which can be rotated in both forward and reverse directions by an electric motor described later, and is attached to the casing 4.

Reference numeral 6 denotes a belt-shaped leaf spring as a transmission member for transmitting the rotary motion of the rotary drum 5 to the reciprocating motion and transmitting the rotary motion to the nozzle cylinder 3. 5 and the other end is fixed to the rear end of the nozzle tube 3.

Reference numeral 7 denotes a fine movement mechanism for the nozzle cylinder 3. In this embodiment, engagement pins 8, 9 protruding from the side end surface of the rotary drum 5 and pin grooves 10, 11 for loosely fitting these engagement pins 8, 9 are provided. And a connecting rod 13 that converts the rotational movement of the Geneva gear 12 into a reciprocating movement along the front-rear direction of the cleaning device and transmits the reciprocating movement to the nozzle tube 3.

 Next, the detailed configuration of the sanitary washing device will be sequentially described.

As shown in FIG. 1 and FIGS.
It has a cylindrical outer cylinder 14 and a piston-shaped inner cylinder 15 inserted into the outer cylinder 14.

The outer cylinder 14 is provided with an enlarged diameter portion 14a near the front end thereof,
A pipe joint 16 for hot water introduction (see FIG. 2) is attached here, and a hot water introduction port 17A is formed between the inner and outer cylinders 14 and 15. A supply pipe of hot water heated to an appropriate temperature by a heating device (not shown) installed in the housing 1 is connected to the pipe joint 16. Packings 18, 18 are respectively fitted inside both ends of the enlarged diameter portion 14a to seal the hot water introduction port 17A in a liquid-tight manner.

In the longitudinal direction of the outer peripheral surface of the outer cylinder 14, two ridges 14b, 14b are provided symmetrically with respect to the cylinder axis as shown in FIG.

The rear end of the inner cylinder 15 is sealed by a plug 19, and this plug 19
Is fixed to one end of a band-shaped leaf spring 6. Also, inner cylinder 15
On the upper surface near the sealed front end of
A washing water injection port is provided at a location, and a first injection port 20 on the rear side is provided.
Is used for cleaning the anus, and the second injection port 21 on the front side is used for cleaning the bidet.

Another port 17B is provided at the rear end of the inner cylinder 15, and this port 17B is connected to a second port 17B through a water passage 22 passing through the axis of the inner cylinder 15.
The nozzle 21 communicates with the nozzle 21. A communication hole 23A communicating with the hot water introduction port 17A is formed in the peripheral wall of the port 17B.

Further, the inner cylinder 15 is located between the position immediately in front of the port 17B and the first
Is formed in a double cylinder, and a cylindrical water passage 24 is formed between the inner and outer cylinders. A communication hole 23B communicating with the hot water introduction port 17A is formed near the rear end of the water passage 24.

Also, the inner cylinder 15 of the inner and outer cylinders 14, 15 having substantially the same length,
In the state of being retracted into the outer cylinder 14, a nozzle washing water channel 25 for connecting the hot water introduction port 17 A to the front open cylinder end of the outer cylinder 14 is provided between the two cylinders 14 and 15 as shown in FIG. Is formed. The first and second injection ports 20 and 21 are positioned so as to face the nozzle cleaning water channel 25.

As shown in FIG. 2, obliquely downward guide rails 26, 26 are provided on both inner side walls of the casing 4 holding the nozzle cylinder 3.
Are provided facing each other, and a pair of ridges 14b, 14
b is loosely fitted. The casing 4 is removably received and supported on support members 1A and 1B which are provided upright at predetermined intervals on the inner bottom surface of the housing 1 as shown in FIGS.

Reference numeral 27 (refer to FIGS. 2 to 4) denotes an electric motor such as a synchronous motor, which is attached to the outer surface of the casing 4 as shown in FIG.
, A rotating drum 5 is fitted on the shaft.

On the back side (motor 27 side) end face 5a of the rotating drum 5, the fourth,
As shown in FIG. 5, engaging pins 8 and 9 are protrudingly provided at two places on the same circumference at a predetermined interval, and a cam-shaped member having a diameter smaller than the diameter of the rotating drum 5 is provided on the rear end surface 5a. The projection 29 is provided concentrically. The cam-shaped projection 29 has cutouts 29a and 29b that avoid the engagement pins 8 and 9.

The Geneva gear 12 is, as shown in FIG.
The shaft hole is loosely fitted to the pin 30 protruding from the inner side wall surface. On the arc surface of the Geneva gear 12, pin grooves 10 and 11 of a predetermined length for loosely fitting the engaging pins 8 and 9 are formed at two places separated by an interval corresponding to the arrangement interval of the engaging pins 8 and 9. Provided in the radial direction, between the pin grooves 10 and 11, and between the pin groove 11 and the end of the arc surface are formed in concave arc surfaces 12a and 12b having a curvature equal to the radius of curvature of the cam-shaped projection 29. ing.

A pin 31 projects from the center of the peripheral edge on the back side of the Geneva gear 12, and a pin 32 projects from the rear end outer surface of the outer cylinder 14. Are respectively inserted into the pin holes at both ends of the connector.

FIG. 8 is a block diagram schematically illustrating a circuit configuration of a control device (not shown) for controlling the operation of the cleaning device, and an operation panel 51 provided on a casing top surface of the control device 50.
A fine switch operating unit (operated when the operator wants to finely move the positions of the injection ports 20 and 21 provided in the nozzle cylinder 3), a cleaning switch 52 pressed when cleaning the anus, a bidet cleaning switch 53 pressed when performing bidet cleaning, Switch 54).

These switches are housed in a casing of the control device 50, and are connected to an electric circuit as shown in the figure for instructing start / stop and forward / reverse rotation of the electric motor 27.

When the washing switches 52 and 53 and the fine movement operation section 54 are not used, the sanitary washing device is operated by the operation of the electric circuit as shown by the solid line in FIG. The nozzle tube 3 is retracted in the state of being housed in the housing 1, and its tip end is retracted inside the opening 2 of the housing 1, and the band-shaped plate spring 6 is wound around the outer peripheral surface of the rotating drum 5. ing.

Next, the operation of the above configuration will be described with reference to FIG.

At the start of use of the sanitary washing device, the nozzle tube 3 is in the state shown by the solid line in FIG. 1 described above.

And when cleaning the anus (hereinafter called local)
Pressing the cleaning switch 52 by the operation panel 51, an electromagnetic valve for controlling the hot water flowing into the nozzle tube 3 (not shown), set by the timer circuit T ₁ time, for example, only about 2 to 3 seconds is opened, The hot water flowing into the hot water introduction port 17A flows into the nozzle washing water channel 25, and is discharged into the toilet from the open cylinder end of the outer cylinder 14. Then, the first and second injection ports 20 and 21 positioned facing the washing water passage 25 are washed, and the cooling water supply pipes and the washing water passages 22 and 24 which have been filled up to now are cooled. Allow the flush water to drain into the toilet bowl.

Timer circuit T ₁ is at the end of the set time, after having temporarily closes the solenoid valve and is energized a predetermined time to the motor 27,
Since the rotating drum 5 is rotated by a predetermined angle in the direction indicated by the arrow a in FIG. 1, the band-shaped leaf spring 6 wound around the rotating drum 5 is unwound and its tip pushes the plug 19, and the inner cylinder When the front end of the motor 15 has advanced to the forward position indicated by the dashed line in FIG. 1, the power supply to the electric motor 27 is stopped, and the solenoid valve is opened again.

At this time, since the movement of the outer cylinder 14 is restricted by the connecting rod 13 attached to the rear end thereof, the relative positions of the inner and outer cylinders 14 and 15 are in the state shown in FIG. Therefore, hot water introduction port
Since 17A and the first injection port 20 are communicated with each other through a communication hole 23B and a water passage 24 provided in the inner cylinder 15, warm water for washing is jetted from the first injection port 20 toward a local portion. This injection is continued until the pressing of the cleaning switch 52 is released.

When the cleaning switch 52 is pressed, the rotating drum 5 is pressed.
With the rotation described above, the engagement pin 9 protruding from the rotation drum 5 is inserted into the pin groove 10 of the Geneva gear 12.

During the local cleaning, the position of the first injection port 20 is slightly moved,
When you want to completely clean the surrounding area,
Operating the, working timer circuit T ₂ and motor forward and reverse circuit, the motor 27 is forward-reverse rotation with a rotation angle and period set in the timer circuit T _2.

The engagement pin 9 projecting from the rotating drum 5 to which this movement of the electric motor 27 is transmitted and fitted in the pin groove 10 causes the Geneva gear 12 to move around the pin 30 by a dashed line in FIG. And swing in the range indicated by the two-dot chain line. This oscillating motion is transmitted to the nozzle tube 3 via a connecting rod 13 that connects a pin 31 provided on the Geneva gear 12 and a pin 32 provided on the outer tube 14, and the nozzle tube 3 is connected to its guide rail 26. It is moved back and forth along. Therefore, the first injection port 20 is also indicated by a two-dot chain line in the drawing.
The stroke is finely moved back and forth by a stroke indicated by a symbol S indicating a distance, for example, a stroke of about 10 mm.

Therefore, the dirt can be removed over a relatively wide area around the local area by merely operating the fine movement operation section 54 with a fingertip without having to forcibly move the disabled body sitting on the toilet seat as in the related art. Can be completely washed off.

During this fine movement operation, the inner and outer cylinders 14 and 15 are reciprocated integrally, so that there is no problem that the washing point shifts and the wear of the packing 18 is not accelerated. There is no problem that the water leaks between 14 and 15 and the pressure of the washing water drops.

Then, when the operation of the fine movement operation unit 54 is released, the electric motor 27 is stopped. Furthermore, solving the pressing of the cleaning switch 52, working timer circuit T _1, the motor 27 is reversely rotated, the original state of temporarily close the solenoid valve, the nozzle tube 3, the inner cylinder 15 the outer Tube
It is retracted while being housed in 14, and returned to the start position indicated by the solid line in FIG. After the completion of the return, the solenoid valve is reopened for only 2 to 3 seconds, during which time the hot water passing through the nozzle cleaning water passage 25 is used to release the two injection ports 20, 2 as described above.
Self-cleaning of 1 is performed.

Thereafter, with the electric motor 27 according to an instruction from the timer circuit T ₁ is being stopped, the solenoid valve is closed by the electromagnetic valve opening and closing circuit.

Next, when performing bidet cleaning, the cleaning switch 52 is used.
Instead of pressing the bidet cleaning switch 53, the cleaning switch
The bidet cleaning is performed in the same manner as in the case where the 52 is pressed.

However, in this case, as the rotating drum 5 rotates, the inner cylinder 15 is pushed out to the second forward position shown by the two-dot chain line in FIG. 1 and also shown in FIG.

Therefore, as understood from FIG. 7, the washing water flowing into the hot water inflow port 17A is jetted from the second jet port 21 through the water passage 22. Then, the pins 8 constituting the fine movement mechanism 7 are fitted into the pin grooves 11 of the Geneva gear 12.

FIG. 9 shows another embodiment of the present invention. The difference from the above embodiment lies in the structure of the fine movement mechanism 7.

That is, in this embodiment, instead of the Geneva gear 12 rotated around the pin 30, a fan-shaped gear 40 rotated around the pin 30 is used, and instead of the pin grooves 10, 11, The teeth 41A and 41B are provided at positions corresponding to the pin grooves of
On the other hand, on the outer peripheral surface of the rotary drum 5, the tooth portions 42A or 4 meshed with the tooth portions 41A or 41B are provided at locations corresponding to the pins 8 and 9, respectively.
2B, and a gear 43 by a connecting rod 43 instead of the connecting rod 13.
The rotation motion of the forty is converted into a reciprocating motion and transmitted to the nozzle cylinder 3.

The operation of this embodiment is substantially the same as that of the above-described embodiment, and a description thereof will be omitted.

In each of the above embodiments, the transmission member 6 is not limited to the band-shaped leaf spring, and may be, for example, an elastic wire such as a piano wire, a crank, or the like. Further, the movement stroke during the forward and backward movement may be arbitrarily variable.

Furthermore, two engagement pins 8, 9 each provided, pin grooves 10, 11,
The object of the present invention can be achieved even if the design of each component is appropriately changed, for example, only one of the teeth 41A, 41B and the teeth 42A, 42B may be provided.

[Effects of the Invention] As is clear from the above description, the sanitary washing device according to the present invention has excellent practical effects as listed below.

(A) The control device provided in the sanitary washing device can finely move the position of the injection port for injecting the washing water only by operating the operation unit of the fine movement mechanism, so that it is also necessary to sufficiently clean the periphery of the local part. In addition, this can be easily and reliably performed without forcibly moving the disabled body sitting on the toilet seat as in the related art.

(B) Therefore, since the body is improperly and forcibly moved as in the prior art, a rough phase such as splashing of washing water to an unexpected place is not required, and the usability is extremely good.

(C) Since the fine movement mechanism is simply configured using a simple gear mechanism or link mechanism, the cleaning device can be manufactured at low cost.
And it can be made small.

(D) Since the forward and backward movements of the inner cylinder of the nozzle cylinder and the fine movement of the outer cylinder are performed by one electric motor, the sanitary washing device can be extremely compacted from this point of view. Can be provided at low cost.

(E) Since the inner and outer cylinders that constitute the nozzle cylinder and are slid with each other are moved together during the fine movement operation of the nozzle cylinder,
Wear of the packing material mounted between the two cylinders is prevented, and the cleaning device can be used for a long time without any support.

(F) According to the sanitary washing device of the present invention, since the inner cylinder is electrically driven by the outer cylinder of the nozzle cylinder,
For example, the inner cylinder can be adjusted to a local cleaning position suitable for the user as compared with a case where the inner cylinder is simply driven hydraulically. In addition, by adopting a mechanism for electrically driving the outer cylinder by the fine movement mechanism, it is possible to drive the nozzle cylinder in a complicated and advanced manner, and it is convenient for the user to be able to experience various washing feelings.

(G) The fine movement operation of the outer cylinder cooperating with the inner cylinder can be performed smoothly, satisfactorily, and accurately by the configuration of claim 5.

(H) According to the configuration of claim 6, maintenance and inspection work of the inner and outer cylinders can be performed quickly and easily.

[Brief description of the drawings]

1 to 7 show an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a main body, FIG. 2 is a front view, FIG. 3 is a plan view, and FIG. 1 is a sectional view taken along the line XX of FIG. 1, FIG. 5 is a sectional view taken along the line YY of FIG. 4, and FIGS. 6 and 7 are views of the sanitary washing device during anal washing and bidet washing. It is operation | movement explanatory drawing respectively. FIG. 8 is a block diagram illustrating the configuration of a control device for controlling the operation of the main body. FIG. 9 shows another embodiment of the present invention and is a sketch drawing of a fine movement mechanism. 10 and 11 are explanatory diagrams of a conventional example. Code Table 1 Housing, 1A, 1B Supporting Member 2 Opening 3 Nozzle Cylinder 4 Casing 5 Rotating Drum 6 Band Leaf Spring (Transmission Member) 7 Fine Movement Mechanism, 8, 9 ... engaging pin 10, 11 ... pin groove, 12 ... Geneva gear 13 ... connecting rod, 14 ... outer cylinder 14a ... enlarged diameter part, 14b ... ridge 15 ... inside Cylinder, 16 Pipe fitting 17A Hot water inlet port 17B Port 18, Packing 19 Plug body 20 First jet port 21, Second jet port 22, 24 Through Channel, 23A, 23B Communication hole 25 Nozzle washing channel 26 Guide rail, 27 Electric motor 28 Rotor shaft, 29 Cam-shaped protrusion 30, 31, 32 Pin 40 Gears 41A, 41A, 42A, 42B ... Tooth 43 ... Connecting rod 50 ... Control device, 51 ... Operation panel 52 ... Washing switch, 53 ... Hide washing switch 54 ... Fine movement operation unit 100 ... Sanitation Cleaning device, 101 toilet bowl 102 heating device 103 Solenoid valve 104 ...... hot water nozzle, 105 ...... seat 106 ...... operation control unit, 107 ...... operation panel 108 ...... flushing water tank, 109 ...... lid

Continuing on the front page (72) Inventor Tetsuhiro Katamune 5-1-1, Kushiamihigashi, Kokura-minami-ku, Kitakyushu-shi, Fukuoka Tokoki Co., Ltd. Inside the Kokura Second Plant (72) Inventor Takehiro Yokoyama Aichi-cho, Kasugai-shi, Aichi No. 1 Aichi Electric Co., Ltd. (72) Inventor Katsumi Nonomura 1 Aichi Town, Kasugai City, Aichi Prefecture Aichi Electric Co., Ltd. (72) Inventor Masanori Ohashi 1 Aichi Town, Kasugai City, Aichi Prefecture Aichi Electric Co., Ltd. (56) References JP-A-2-66228 (JP, A) JP-A-63-1134 (JP, A) JP-A-61-164377 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) ) E03D 9/00-9/16

Claims (6)

(57) [Claims] 1. An inner cylinder which is attached to a toilet bowl, and which is configured to inject washing water at an appropriate temperature toward a local part of a human body after adding to the toilet. A nozzle cylinder loosely fitted in the cylinder, a casing for supporting the nozzle cylinder so as to be able to move back and forth in the axial direction, and a rotation attached to the casing and rotated in forward and reverse directions by an electric motor. A drum; a transmission member formed of a band-shaped spring or the like for converting the rotation of the rotary drum into a reciprocating motion, transmitting the reciprocation to the inner cylinder, and displacing the inner cylinder to a forward or backward position; A fine movement mechanism that transmits the movement of the drum via a gear, a cam, or the like, and moves the inner cylinder that has been moved to the advance position forward and backward integrally with the nozzle cylinder within a predetermined short distance range. A sanitary washing device. 2. The fine movement mechanism has at least one engaging pin protruding from a predetermined position on the end face of the rotating drum 5 and at least one pin groove for loosely fitting the engaging pin on a peripheral edge portion. Geneva gear, and a connecting rod for transmitting the rotation of the Geneva gear to the nozzle cylinder by changing the rotation of the Geneva gear into a reciprocating motion when the electric motor is alternately rotated in the forward and reverse directions by a predetermined angle. The sanitary washing device according to claim 1, wherein: 3. The fine movement mechanism comprises: a gear provided with at least one tooth engaged with a tooth provided at a predetermined position on an outer peripheral surface of the rotary drum; 2. The sanitary washing device according to claim 1, wherein the rotating movement of the gear is changed into a reciprocating movement when the gear is alternately rotated by a predetermined angle, and the connecting rod is transmitted to the nozzle cylinder. . 4. An inner cylinder having an injection port for injecting cleaning water to a human body local part, and an outer cylinder supporting the inner cylinder and cooperating with the inner cylinder so that the injection port draws a predetermined trajectory. A fine movement mechanism for electrically driving the inner cylinder so that the injection port draws the predetermined trajectory. 5. The sanitary washing apparatus according to claim 4, wherein a casing for loosely fitting the outer cylinder cooperating with the inner cylinder is provided in the housing. 6. A sanitary washing apparatus according to claim 5, wherein said casing is detachably attached to said housing.