JPH09287188A - Nozzle for sanitary washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive nozzle which has a simple construction and improved usability, in which cold water is prevented from spouting out when in use. SOLUTION: A nozzle body 7 having a spout port 7a at its forward end and a piston 7b and a water intake port 7c at its rear end and a cylinder 8 which holds the nozzle body 7 to move it back and forth are provided and a feed water port 8a is provided at the rear end of the side surface of the cylinder 8, and a cover 10 with a nozzle guide 10a is attached to the cylinder 8 so as to tightly close the rear end thereof. Further, a slider stopper 10d is provided on the nozzle guide 10a and a slider 12 is provided so as to be movable between the stopper 10d and the cover 10 and a spring 9 is provided in the cylinder 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nozzle for a sanitary washer, which is used for local cleaning after feces, for example.

[0002]

2. Description of the Related Art Conventionally, this type of sanitary washer nozzle has been
For example, Japanese Utility Model Publication No. 61-93571, Japanese Utility Model Publication No. 1-16
As shown in FIG. 4, as shown in FIG.
Cylinder head 18 having insertion guide opening 18b at the tip
A nozzle body 17 having a piston 17b is fitted and supported in a cylinder 18 to which a is attached so as to be movable back and forth. The piston 17b is moved to the opening 18b by the spring 9 (coil spring) wound around the nozzle body 17.
The nozzle body 17 is supported in the backward direction when projected from the nozzle body 17, and a plug 17d is press-fitted into an opening at the tip of the nozzle body 17, and a jet port 17a is provided at the tip. A water supply port 18d and a water supply port 18c are provided at appropriate positions in front of and behind the cylinder 18, and a coil spring accommodating chamber formed between the cylinder 18 and the nozzle body 17 also serves as a cleaning water chamber for the outer peripheral surface of the nozzle or a piston 17
The hot water inlet port 17c and the water feed port 18d of b are communicable, and the water pressure chamber on the rear surface of the piston 17b and the water feed port 18c are communicable. Further, the water supply port 18c and the water supply port 18d
Is connected to the hot water tank by branching off the water supply hose so that they can communicate with each other. Reference numeral 10 denotes a lid, which is attached so that the rear end of the cylinder 18 is hermetically sealed and has a stopper 10c for stopping the nozzle body 17 at an appropriate position.

[0003] In such a structure, when an operation section (not shown) is operated to wash an arbitrary local area after use,
Water is supplied from the warm water tank through the water supply member to the hollow portion of the cylinder 18 through the water supply port 18c and the water supply port 18d. At this time, the hot water from the water supply port 18c becomes pressure water and becomes the piston 17
Water is delivered to the hollow portion of the sealed cylinder 18 between b and the lid 10. On the other hand, the pressure water from the water supply port 18d is supplied to the hollow portion between the piston 17b and the tip inside the cylinder 18, but leaks from the gap between the opening 18b and the side surface of the nozzle body 17. In addition to pressing the piston 17b with the pressure water from the water supply port 18c to compress the spring 9,
The nozzle body 17 projects forward from the opening 18b.

Moreover, when the nozzle body 17 is completely projected, the water inlet 17c which penetrates the piston 17b and communicates with the hollow portion of the nozzle body 17 coincides with the water outlet 18d, so that hot water from the hot water tank can be supplied. It is sent into the hollow portion of the nozzle body 17 and jets water from the jet outlet 17a toward the local portion.

[0005]

In such a structure, it is necessary to provide a plurality of water supply ports in the cleaning nozzle in the water passage from the hot water tank for producing the warm water for cleaning to the injection of cleaning water, and in the nozzle body after use. However, there was a drawback that the wash water stagnated and the cold water spewed out at the next use. Further, there is a problem that a member for branching the water channel is required, resulting in an expensive product having a complicated structure.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a nozzle provided at the front end with a piston and a water inlet at the rear, and a nozzle protruding into the main body during cleaning. A main body and a cylinder for holding the nozzle main body forward and backward are provided, a water supply port communicating with the inside of the cylinder and the nozzle main body is provided at the rear end of the side surface of the cylinder, and a nozzle guide is provided so as to seal the rear end of the cylinder. A lid is attached, a slider stopper is provided on the nozzle guide, a slider that freely moves between the slider stopper and the lid is provided, and a spring that biases the nozzle body in the direction of retracting is provided on the front side inside the cylinder. is there.

With the above structure, at the start of cleaning, the warm water from the water supply port becomes pressure water to push the piston and push the nozzle body forward against the spring. At this time, the jet guide and the jet water passage of the nozzle body are kept almost watertight by the slider. Next, when the nozzle main body is completely projected, the slider is fixed by the slider stopper at the tip end portion of the nozzle guide, and hot water flows into the jet water passage of the nozzle main body from the water inlet and is jetted locally from the jet outlet. When the cleaning is completed and the water supply is stopped, the pressure on the piston due to the pressure water disappears, and the spring causes the nozzle body to retract.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION According to the present invention, in order to prevent the washing water from stagnating in the jet water passage of the nozzle body, a nozzle guide which projects into the jet water passage inside the nozzle body is provided, and the nozzle guide is freely movable. A slider is provided and a slider stopper is provided.

[0009]

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, FIG. 2 and FIG. 3 showing the configuration, 1
Is a main body of a Western-style toilet, and a water supply tank 2 and a hot water tank 3 are attached to the back of the body, and a water supply hose 4 is provided between these tanks 2 and 3 to connect them. Reference numeral 8 denotes a cylinder, into which a nozzle body 7 to be described later is fitted and which is provided with a water supply port 8a on the side surface, and the vicinity of the tip is fixed above the rear part of the body 1. A water supply pipe 6 is provided between the hot water tank 3 and the cylinder 8 via a water supply member (for example, an electromagnetic pump) 5 or the like, and is connected to the water supply port 8a.

Reference numeral 7 denotes a hollow and sealed nozzle body made of, for example, a resin molded product. The nozzle body 7 has a jet end 7a at the front end and a piston 7b and a water inlet 7c at the rear end. A spring 9 for urging the nozzle body 7 in the direction for retracting the nozzle body 7 is interposed between the nozzle body 7 and the tip of the inside of the cylinder 8. The nozzle body 7 can be moved back and forth in the cylinder 8 via this spring 9. Is held. Reference numeral 7c denotes a water inlet, which communicates with the jet water passage 11 of the nozzle body 7 and sends hot water from the hot water tank 3 to the jet water passage 11. Reference numeral 10 is a lid mounted so as to seal the rear end of the cylinder 8. The lid 10 has a stopper 10c for stopping the nozzle body 7 at an appropriate position,
Moreover, it has a nozzle guide 10a which is fitted into the jet water passage 11 of the nozzle body 7. A slider stopper 10d is provided at the tip of the nozzle guide 10a. Further, a slider 12 that moves freely is provided between the lid 10 and the slider stopper 10d.

Next, the operation of the above configuration will be described.

When a manipulating part (not shown) is operated to wash any local part after the toilet, as the warm water from the warm water tank 3 reaches and the water pressure increases, the water supply port connected to the water supply pipe 6 by the water supply member 5. Water is supplied from 8a to the hollow portion of the cylinder 8.

On the other hand, when the cleaning water pressure becomes larger than the compression force of the spring 9, the pressure water is supplied from the water supply port 8a to the piston 7b.
Is pressed to compress the spring 9, and the nozzle body 7 is projected forward from the opening 8b as shown in FIG. At this time, the slider 12 and the jet water passage 11 of the nozzle body 7 are kept substantially watertight. That is, during the protruding operation of the nozzle body 7, most of the pressure water from the water supply port 8a is the water inlet port 7c.
Does not enter into the hollow portion of the nozzle body 7 via.

Next, when the nozzle body 7 is completely projected, the slider 12 contacts the slider stopper 10d at the tip of the nozzle guide 10a, and the slider stopper 1
A gap 13 is created between 0d and the water inlet 7c. The warm water flows into the jet water passage 11 of the nozzle body 7 through this gap 13,
It spouts from the spout 7a toward the local area.

When the water supply is stopped after the completion of cleaning, the pressure on the piston 7b due to the pressure water disappears, the spring 9 retracts the nozzle body 7, and the state shown in FIG. 2 is restored.

[0017]

As described above, according to the present invention, the nozzle main body having the jet end at the front end and the piston and the water inlet at the rear end and protruding into the main body at the time of cleaning, and the cylinder for holding the nozzle main body in a retractable manner. And, a water supply port communicating with the inside of the cylinder and the nozzle body is provided at the rear end of the side surface of the cylinder, a lid having a nozzle guide is attached so as to seal the rear end of the cylinder, and a slider stopper is further provided at the nozzle guide. Since a slider that freely moves between the slider stopper and the lid is provided and a spring that biases the nozzle body in the direction of retracting the nozzle body is provided in the front side of the cylinder, there is only one water supply port for the cleaning nozzle and the structure of the branching member. It is also easy, as the hot water from the hot water tank reaches and the water pressure rises, the nozzle body moves forward against the spring, spraying warm wash water locally from the wash water injection part. It is intended. It also has the advantage that cleaning water will not stagnate in the nozzle body after use and will not be ejected at the time of next use, the number of parts will be small, the structure will be simple, the assembly will be easy and the inexpensive sanitary washer nozzle can be supplied. is there.

[Brief description of drawings]

FIG. 1 is a schematic side sectional view of an entire toilet bowl relating to a nozzle for a sanitary washing device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the nozzle for the sanitary washing device when the nozzle is not washed.

FIG. 3 is a cross-sectional view of essential parts when cleaning the nozzle for the sanitary washing device.

FIG. 4 is a cross-sectional view of a conventional sanitary washer nozzle when not being washed.

[Explanation of symbols]

 1 Main Body 3 Hot Water Tank 7 Nozzle Main Body 7a Jet Port 7b Piston 7c Water Inlet 8 Cylinder 8a Water Delivery Port 9 Spring 10 Lid 10a Nozzle Guide 10d Slider Stopper 11 Spout Waterway 12 Slider

Claims (1)

[Claims] 1. A sanitary washer nozzle that attaches a hot water tank (3) to a body (1) of a toilet bowl and sprays wash water from the hot water tank (3) locally when cleaning a local area A nozzle body (7) provided with an outlet (7a), a piston (7b) and a water inlet (7c) in the rear part, which projects into the body (1) at the time of cleaning, and the nozzle body (7) can be moved back and forth. A holding cylinder (8) is provided, and a water supply port (8a) communicating with the inside of the cylinder (8) and the nozzle body (7) is provided on the rear end side of the side surface of the cylinder (8).
A lid (10) is provided so as to seal the rear end of the cylinder (8), and a nozzle guide (10a) fitted into the jet water channel (11) of the nozzle body (7) is provided inside the lid (10). Along with this, a slider stopper (10d) is provided on the nozzle guide (10a), and the slider stopper (10d)
A slider (12) for freely moving between the cover and the lid (10) is provided, and a spring (9) for urging the nozzle body (7) in the backward direction is provided on the front side inside the cylinder (8). A characteristic sanitary washer nozzle.