JPH0626367Y2 - Water discharge nozzle - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water discharge nozzle.

[0002]

2. Description of the Related Art Conventionally, a water discharge nozzle for the above purpose is
A hose connecting portion is provided at the base end of the nozzle body so that the hose can be connected to the connecting portion, and an on-off valve is arranged in the middle of the nozzle body. In addition, a stem extending from the base end of the nozzle body is attached to the on-off valve, an operation lever is provided at the base end of the stem, and the on-off valve is opened by operating the lever, and the water discharge nozzle is used. I was supposed to spray water.

Further, the water discharge nozzle is constructed so as to perform straight water discharge, mist water discharge, wide-angle water discharge, etc., and a tapered mist water discharge port having a spiral groove is provided at the tip of the nozzle body. , Around the water outlet, an adjustment cylinder with a tip opening is concentrically and movably mounted in the axial direction,
Moreover, the mist-like water discharge port was located in the trumpet-shaped adjustment water discharge port provided at the tip of the adjustment cylinder. In addition, the base end side of the water discharge port is provided with a through hole for supplying water to the adjusted water discharge port, and the water in the nozzle body is passed through the hole between the water discharge port and the adjustment cylinder, and the water is discharged from the adjusted water discharge port. Then, by moving the adjusting cylinder and adjusting the positions of the adjusting water outlet and the mist-like water outlet, a straight-line water discharge and a wide-angle water discharge were made.

Further, when the adjusting cylinder is moved backward so that the area around the water outlet is closed by the adjusting cylinder, the water in the nozzle body is discharged from the tapered mist-like water outlet, Due to the spiral groove, it became a mist-kneading state, and it was a mist-like water discharge.

[0005]

However, the above water discharge nozzle has the following problems. That is, during the water discharge work using the water discharge nozzle, there is a case where the nozzle body is clogged due to fine dust or the like in the water supply and smooth water discharge cannot be performed. For example, since the water outlet of the nozzle body has a small diameter, the water outlet is likely to be clogged with dust or the like in the water supply.

However, since the water outlet is integrally connected to the nozzle body, it cannot be easily disassembled, and there is a problem in that dust clogging the water outlet cannot be easily removed. It was

An object of the present invention is to provide a water discharge nozzle which can solve the above problems.

[0008]

According to the present invention, a water discharge inner cylinder having a water discharge hole is communicatively connected to a tip end portion of a nozzle body having an opening / closing function by a valve, and on the outer peripheral surface of the inner cylinder, A movable outer cylinder having a large diameter water discharge port is concentrically mounted so as to be movable in the axial direction, and further, a communication outflow hole communicating with the water discharge port is provided on the outer peripheral surface of the inner cylinder body. A water discharge nozzle that selectively discharges water from a water discharge hole and a water discharge port by moving a movable outer cylinder body, wherein the tip of an inner water discharge cylinder attached to the nozzle body is configured to be removable. To do.

Further, according to the present invention, in the above water discharge nozzle, a water discharge inner cylinder for spraying water in a mist form from the water discharge hole is attached to the tip of the nozzle body, and the water discharge hole portion of the water discharge inner cylinder is detachable. It is characterized by being configured.

Further, according to the present invention, in the above-mentioned water discharge nozzle, a disk having a spiral groove portion on the outer peripheral surface of the water discharge inner cylindrical body is projected, and at the same time, the inner cylinder body is provided with the same disk. It is characterized in that a water discharge nozzle body that houses a disk is detachably attached, and atomized water is discharged from the water discharge nozzle body.

Further, in the water discharge nozzle of the present invention, a water discharge nozzle body for spraying mist is detachably attached to the tip of the water discharge inner cylinder body, and further, on the outer peripheral surface of the inner cylinder body.
A communication outflow hole that communicates with the water discharge port is provided, and a communication outflow hole that allows water from the communication outflow hole to flow into the nozzle body is provided on the outer peripheral surface of the nozzle body.

Further, the present invention is characterized in that, in the above-mentioned water discharge nozzle, the water discharge inner cylinder body and the water discharge nozzle body are screwed to each other so that the water discharge nozzle body is detachable.

[0013]

According to the present invention, the movable outer cylinder is grasped and rotated by hand to move the outer cylinder forward, and the water outlet of the outer cylinder and the water discharge hole of the water inner cylinder are discharged. Water of each form can be discharged more selectively. Further, in the case of spraying water in a mist state, it passes through the spiral groove portion of the disc in the water discharge nozzle body, becomes a conical state, and can be jetted in a mist form from the water discharge hole of the water discharge nozzle body.

Further, when dust or the like is clogged inside the water discharge nozzle body or the water discharge hole, first, the movable outer cylinder is rotated to remove it from the nozzle body, and further, the water discharge nozzle body is rotated to spiral the spiral. By removing it from the inner part of the water discharge inner cylinder, dust and the like clogged inside can be easily removed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described in detail with reference to the drawings. In the sectional view of FIG. 1, reference numeral 1 denotes a water discharge nozzle according to the present invention, and the water discharge nozzle 1 is provided at a base end portion of a nozzle body 2. The tip of the hose connected to the water tap is connected so that the water from the water tap is sprinkled.

In this embodiment, a pistol-shaped nozzle body 2 is formed by a hollow grip portion 3 and a barrel portion 4, and a water discharge channel a is formed inside the grip portion 3 and the barrel portion 4. The water discharge passage a is provided at the lower end of the grip portion 3.
Is provided with a hose connecting portion 5 communicating with the. In the hose connecting portion 5, a hose insert 5a is attached to the lower end of the grip portion 3, and a hose tightening cap 5b is screwed around the outer periphery of the insert 5a. In addition, 5c shows a claw body for holding a hose.

An on-off valve 8 is provided in the middle of the water discharge passage a.
In addition to the above, a slide pipe 9 which is movable back and forth from the on-off valve 8 is provided on the downstream side of the on-off valve 8, and the hose connecting portion 5 is connected to the lower end of the pipe 9. In this embodiment, as shown in FIG. 1, a valve support 7 having a slightly smaller diameter is provided in the middle of the water discharge passage a so as to project inward, and the support 7
An on-off valve 8 is attached to the valve, and a water discharge gap 7a is provided between the valve support 7 and the inner peripheral surface of the water discharge flow path a.

Further, a slide pipe 9 is slidably accommodated in the water discharge passage a of the grip portion 3 of the nozzle body 2 along the grip portion 3, and an upper end opening 9a thereof is brought into contact with the on-off valve 8. At the same time, the lower end opening 9b is attached in communication with the hose insert 5a of the hose connecting portion 5. Then, when the slide pipe 9 slides downward, the upper end opening 9a of the slide pipe 9 closed by the opening / closing valve 8 opens, and the pipe 9
Water is then discharged through the water discharge gap 7a.

As shown in FIG. 1, a spring 10 is mounted on the outer peripheral surface of the slide pipe 9, and the slide pipe 9 is lifted upward by the urging force of the spring 11 to open the upper end of the pipe 9. The opening / closing valve 8 closes the portion 9a. Further, in front of the grip portion 3 of the nozzle body 2, an operation lever 11 for opening the water discharge flow path a is provided, and the lever 11 has its upper end portion pivotally supported on the upper portion of the grip portion 3. They are connected and rotated about the same pivotal support 11a.

In this embodiment, a middle part of an arm 13 for sliding a slide pipe 9 via a bracket 12 is pivotally attached to the front side surface of the grip portion 3 of the nozzle body 2, and the tip end of the arm 13 is connected to the pipe. In addition to being connected to the middle part of 9, the base end part is interlockingly connected to an interlocking protrusion 11b provided on the back surface of the operating lever 11. With this configuration, the nozzle body 2
When the operating lever 11 is operated with the finger holding the holding portion 3 of
The sliding pipe 9 is lowered through the arm 13 and the nozzle body 2
The water discharge operation can be performed.

Further, as shown in FIGS. 1 and 2, a base end portion of a water discharge inner cylindrical body 15 for performing atomized water discharge is fitted to the tip end portion of the barrel portion 4 of the nozzle body 2, and While communicating the inside of the inner tubular body 15 with the water discharge flow path a, on the outer peripheral surface of the inner tubular body 15,
A moving outer cylinder body 16 for performing straight line water discharge and wide-angle water discharge is mounted concentrically and movably in the axial direction, and a communication passage b is provided between the water discharge inner cylinder body 15 and the moving outer cylinder body 16. Is forming. Then, by moving the movable outer cylinder 16 with respect to the inner water discharge cylinder 15, water is discharged in various forms through the communication flow path b. Reference numerals 15a and 16a denote threaded portions provided on the outer peripheral surface of the water discharge inner cylindrical body 15 and the inner peripheral surface of the movable outer cylindrical body 16, and the movable outer cylindrical body 16 is screwed by the screwed portions 15a and 16a. Move back and forth.

Next, a water discharge inner cylinder provided in the nozzle body 2
15 will be described in detail with reference to FIGS. 2 and 3. That is, as shown in FIG. 2, the water discharge inner cylinder body 15 is connected to the nozzle body 2 and has a proximal end inner cylinder body 17 having a threaded portion 15a with the moving outer cylinder body 16.
And a water discharge nozzle body (18) for performing atomized water discharge, and the water discharge nozzle body (18) is concentrically and axially connected to the distal end portion of the proximal end inner cylinder body (17).

In this embodiment, a tubular portion 17a is provided so as to project from the distal end portion of the proximal inner tubular body 17, and a threaded portion 19a with the water discharge nozzle body 18 is formed on the outer peripheral surface of the tubular portion 17a. The same screw part
The water discharge nozzle body 18 is detachable by means of 19a and a screwing portion 19b provided on the inner peripheral surface of the water discharge nozzle body 18. Moreover, the threaded portions 19a, 19b between the proximal end inner cylinder 17 and the water discharge nozzle body 18
The rotating direction of the moving outer cylindrical body 16 is opposite to the rotating direction of the screwing portions 15a and 15b with the moving outer cylindrical body 16, so that the rotating movement of the moving outer cylindrical body 16 is prevented.

A plurality of communication outflow holes for discharging the water from the water discharge flow path a to the communication flow path b are provided in the middle of the proximal end inner cylinder 17.
20 is formed, and a communication inflow hole 21 for inflowing water from the communication flow path b is formed on the outer peripheral surface of the water discharge nozzle body 18.
Water is sprayed in the form of mist from the water discharge nozzle body 18.

In the present invention, the water discharge inner cylinder body 15 is a base end inner cylinder body.
17 and the water discharge nozzle body 18 are used to perform atomized water discharge, and the structure thereof will be described in detail below.
At the tip of the cylindrical body 17a of 17, a disc 23 is provided so as to protrude via a cross-shaped support 22, and a spiral groove 23a is provided on the outer peripheral surface of the disc 23.

Further, inside the water discharge nozzle body 18, a disc
A stirring space 18a for accommodating 23 is provided, the middle portion of the nozzle body 18 is reduced in diameter, and a water discharge projection 18c provided at the tip of the reduced diameter portion 18b is protruded to the water discharge projection 18c. A small diameter mist water discharge hole 24 communicating with the stirring space 18a is formed.
Then, the water from the communication inflow hole 21 passes through the spiral groove portion 23 of the disc 23.
When passing through a, it is in a state of being massaged in the stirring space 18a and ejected in a mist form from the mist water discharge hole 24.

In this embodiment, the communication inflow hole 21 is formed in a longitudinal shape in the circumferential direction, and the cross-shaped support 22 is formed in the center thereof.
The protrusions 22a are positioned.

In the present invention, as shown in FIG. 2, the water discharge nozzle body 18 of the water discharge inner cylinder body 15 is detachably attached, and the vicinity of the front end portion of the base end inner cylinder body 17, that is, the support body 22. The outer peripheral part of the rear part and the inner peripheral surface of the water discharge nozzle body 18 are screwed into the screw parts 19a and 19b.
Thus, the water discharge nozzle body 18 can be detachably attached, and can be easily removed when foreign matter is clogged in the mist water discharge hole 24 or the like.

Further, on the outer peripheral surface of the water discharge nozzle body 18, a plurality of ridges 26 which come into contact with the inner peripheral surface of the movable outer cylinder body 16 are provided at intervals in the axial direction of the water discharge nozzle body. It is designed to be moved on the axis of the body 18.

Next, the structure of the movable outer cylinder 16 is shown in FIG.
Will be described in detail. That is, as shown in FIG. 2, the moving outer cylinder body 16 is connected to the outer peripheral surface of the water discharge nozzle body 18 to form the communication flow path b.
A valve body 28 having a reduced diameter is provided on the inner peripheral surface of the tip end thereof so as to contact the reduced diameter portion 18b of the water discharge nozzle body 18 to open and close the communication flow passage 27.

Further, a trumpet-shaped water discharge port 29 is provided in front of the movable outer cylinder 16, and the water discharge port 29 is connected by a circular surface 29a on the downstream side and an inclined surface 29b on the upstream side. Outflow hole
The water from 20 is sent to the water outlet 29 through the communication flow path b, and further, by the movement of the moving outer cylinder body 16, the water discharge protrusion 29 is housed in the water outlet 29, and along the circular surface 29a. Water is spouted and straight water is spouted from the water discharge port 29.On the other hand, the water discharge projection 18c is projected from the water discharge port 29, and water is jetted along the inclined surface 29b. It is a wide-angle water discharge.

FIGS. 6 and 7 show another embodiment of the water discharge nozzle 1. FIG. 6 shows the distal end portion of the cylindrical body 17a provided on the proximal inner cylinder body 17 of the water discharge inner cylinder body 15. In addition to providing a water discharge opening 17b to the cylindrical body 17a, the water discharge nozzle body 18 is attached to the tubular body 17a via the threaded portions 19a and 19b, and the water discharge hole 24 of the water discharge nozzle body 18 is connected to the same opening 17b. There is. In addition, the water discharge opening
A disc 23 is attached to 17b via a cross-shaped support 22 so that water from the opening 17b is directly supplied into the water discharge nozzle body 18.

In the present embodiment, a communication outflow hole 20 is provided on the outer peripheral surface of the water discharge nozzle body 18, and is supplied to the communication flow path b through the outflow hole 20 and discharged to the moving outer cylinder body 16. Water is discharged from the water outlet 29. In addition, FIG. 7 shows that the water discharge nozzle body 18 is formed in a hollow shape, and a plurality of spiral groove portions 30 are formed from the inclined inner peripheral surface 18c of the nozzle body 18 over the mist water discharge hole 24. The water from the water discharge opening 17b is made into a spiral shape and is spouted in a mist form from a small diameter mist water discharge hole 24. In this embodiment, the water discharge nozzle body 18 is detachably attached to the distal end portion of the proximal end inner cylinder body 17 to remove dust and the like clogging the inside thereof.

Next, a method of using the water discharge nozzle 1 will be described in detail. That is, in the case of performing straight water discharge from the water discharge nozzle 1, as shown in FIG. 2, the movable outer cylinder body 16 is gripped and rotated by a hand to move the outer cylinder body 16 forward to move the outer cylinder body 16. The water discharge protrusion 18c is housed in the water discharge port 29 of 16 to open the communication flow path b. In this state, the operating lever 11 is operated to supply water to the water discharge passage a in the nozzle body 2, and the water discharge port 29 is passed through the communication flow passage b from the communication outflow hole 20 at the tip of the nozzle body 2. The water is jetted out along the circular surface 29a of and the straight water is discharged from the water discharge port 29.

On the other hand, in the straight line water discharge state, as shown in FIG. 4, the movable outer cylinder 16 is moved rearward so that the water discharge projection 18c in the water discharge port 29 of the cylinder 16 is projected forward to discharge. Water outlet 29
Wide-angle water is sprayed from the outlet 29 by ejecting along the inclined surface 29b.

Further, as shown in FIG. 5, the movable outer tubular body 16 is moved rearward so that the valve 28 of the tubular body 16 closes the communication passage b to connect the water supply in the communication passage b. It flows into the water discharge nozzle body 18 through the inflow hole 21. Then, the water supply in the water discharge nozzle body 18 passes through the spiral groove portion 23a of the disc 23, and the stirring space 18
At a, it becomes a crushed state and is ejected in a mist form from the mist discharge hole 24.

Furthermore, when dust or the like is clogged inside the water discharge nozzle body 18 or the mist water discharge hole 24, first, the moving outer cylinder body 16
Is rotated to remove it from the nozzle body 2, and further to rotate the atomized nozzle cylinder 19 to remove it from the water discharge inner cylinder 15, thereby removing dust and the like clogged inside.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a water discharge nozzle according to the present invention.

FIG. 2 is an enlarged cross-sectional view of a tip end portion of a water discharge nozzle.

FIG. 3 is an exploded perspective view of a tip end portion of a water discharge nozzle.

FIG. 4 is an explanatory diagram showing a water discharge form of a water discharge nozzle.

FIG. 5 is an explanatory diagram showing a water discharge form of a water discharge nozzle.

FIG. 6 is a sectional side view showing another embodiment of the water discharge nozzle.

FIG. 7 is an enlarged sectional side view showing another embodiment of the water discharge nozzle.

[Explanation of symbols]

 1 Water discharge nozzle 2 Nozzle body 15 Water discharge inner cylinder 16 Moving outer cylinder 18 Water discharge nozzle body 20 Communication outflow hole 23 Disc 24 Water discharge hole 29 Water discharge port

Claims (5)

[Scope of utility model registration request] 1. A nozzle body having a valve opening / closing function.
A water discharge inner cylinder (15) having a water discharge hole (24) is connected to the tip of (2), and a large diameter water discharge port (29) is formed on the outer peripheral surface of the inner cylinder (15). A movable outer cylindrical body (16) having a concentric circle and movable in the axial direction.
On the outer peripheral surface of (15), a communication outflow hole (20) communicating with the outlet (29).
In the water discharge nozzle that selectively discharges water from the water discharge hole (24) and the water discharge port (29) by moving the movable outer cylinder body (16), the water discharge inner cylinder body (2) attached to the nozzle body (2) A water discharge nozzle characterized in that the tip of 15) is detachably configured. 2. The water discharge nozzle as set forth above, wherein the nozzle body is
At the tip of (2), a water discharge inner cylinder (15) that sprays mist-like water from the water discharge hole (24) was attached, and the water discharge hole (24) part of the water discharge inner cylinder (15) was configured to be removable. The water discharge nozzle according to claim 1, wherein. 3. The water discharge inner cylinder of the water discharge nozzle described above.
At the tip of (15), a disk (23) having a spiral groove (23a) on its outer peripheral surface is projected, and at the tip of the inner cylinder (15),
The water discharge nozzle according to claim 1 or 2, characterized in that a water discharge nozzle body (18) accommodating the same circular plate (23) is detachably attached to perform mist water discharge from the water discharge nozzle body (18). . 4. The water discharge nozzle according to the above water discharge nozzle.
A water discharge nozzle body (18) for spraying mist water is detachably attached to the tip of (15), and a communication outflow hole communicating with the water discharge port (29) is formed on the outer peripheral surface of the inner cylinder body (15). With (20),
4. A communication outflow hole (21) for allowing water from the communication outflow hole (20) to flow into the nozzle body (18) on the outer peripheral surface of the nozzle body (18). The water discharge nozzle according to any one of 1. 5. The water discharge inner cylinder according to the above water discharge nozzle
(15) and the water discharge nozzle body (18) are screwed together to form the water discharge nozzle body.
The (18) is configured to be detachable.
4. The water discharge nozzle according to any one of 4.