JPH05200330A - Water spray nozzle - Google Patents

Abstract

PURPOSE:To smoothly and easily change sprinkling states. CONSTITUTION:A spouting state and a flowing state are changed to a misty state, a straight state, a sprinkling can like state, a shower state or the like only by moving an intermediate cylinder 16 back and forth and at the time of sprinkling in the straight state, water flows out to a long distance to fill the flow with water without filling the flow with water only in short distance by providing a tip projecting part 32 on an adjusting rod part 10 provided on the tip of the nozzle proper 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water spray nozzle which can change the water spray state smoothly and easily and is convenient to use.

[0002]

2. Description of the Related Art As shown in FIG. 7, which is an application of the same applicant as the present application, for a conventional sprinkler nozzle, a hose connecting portion 50 is provided at the base end, and a through hole 51 is formed in the peripheral side wall from the closed portion at the tip. A nozzle main body 53 having a closed front end is externally screw-engaged with a distal end side of a base cylinder 52 having a valve portion 54 that opens and closes the communication between the base cylinder 52 and the nozzle main body 53 by a rotating operation. An outer cylinder 56 and an outer cylinder 56 are externally screw-engaged on the front end side of the nozzle body 53 and on the outer side of the middle cylinder 55 so as to be rotatable, and are attached to the peripheral walls of the front end portions of the nozzle body 53 and the middle cylinder 55. Through holes 57 and 58 are provided, a valve portion 59 for controlling the amount of water flowing out of the middle cylinder 55 by the turning operation of the middle cylinder 55 at the tip of the nozzle body 53 and the tip of the middle cylinder 55, and the valve. A nozzle portion 60 is formed at a position closer to the tip than the portion 59,
Further, a valve portion 61 that opens and closes the opening of the outer cylinder 56 by the turning operation of the outer cylinder 56 is provided at the tip of the middle cylinder 55 and the tip of the outer cylinder 56, and the tip end of the outer cylinder 56 expands outward. A sprinkler nozzle is known in which a trumpet-like portion is formed, the opening is closed by a perforated plate 62, and a through hole 64 is formed in the center of the perforated plate 62 through which a small cylinder portion 63 of a middle cylinder is slid forward and backward. (See JP-A-55-116459).

[0003]

By the way, in this one, the operation for changing the sprinkling state is performed by rotating the nozzle main body 53 which is externally fitted and screwed to the base cylinder 52, and externally fitted and screwed to the nozzle main body 53. Since the rotation operation of the middle cylinder 55 and the rotation operation of the outer cylinder 56 that is externally fitted and screwed into the middle cylinder 55 must be performed, the operation cannot be smoothly performed by women and women who are clumsy in operation, and also for assembling. This type of sprinkler nozzle, which has a large number of parts and is provided at the lowest possible price, has drawbacks such as high material cost for assembling and labor cost, and cannot be provided at a low cost.
The present invention solves the above problems, and an object of the present invention is to obtain a sprinkling nozzle that can be provided at low cost and is convenient to use.

[0004]

In order to achieve the above-mentioned object, the sprinkling nozzle of the present invention has a tip projection 32 at the tip of a hollow nozzle body 6 whose base end communicates with the hose connecting portion 1. The adjusting rod portion 10 provided is provided, and the intermediate cylinder 16 is surrounded on the outer peripheral side of the nozzle body 6 by holding the internal circulation gaps 15 at regular intervals, and the tip of the internal circulation gap 15 is directed toward the tip of the nozzle body 6. The closing member 23 is provided on the inner peripheral side wall of the intermediate tube 16 in communication with the nozzle port 12 located, and the same member is crimped to the outer peripheral side wall of the nozzle body 6.
The intermediate cylinder 16 is slid so that the closing member 23 slides on the outer peripheral surface of the nozzle body 6 to partition and close the rear end of the internal flow gap 15, and the through hole 5 is formed in the outer peripheral side wall of the nozzle body 6. Is formed so that the through hole 5 is positioned in front of or behind the closing member 23 by the forward and backward sliding operation of the intermediate cylinder 16, and the external circulation gap 17 having a constant interval is provided on the outer peripheral side of the intermediate cylinder 16. Holds and surrounds the outer cylinder 18 and the external flow gap 1
The base end of 7 has a through hole 5 through a communication gap 22 provided at the base of the intermediate cylinder 16 when the through hole 5 is located behind the closing member 23.
The external flow gap 17 is communicated with the porous plate 20 formed at the distal end of the outer tube 18.

[0005]

According to the present invention, the hose is connected to the hose connecting portion 1 in the state shown in FIG. 1 to open the faucet of the water supply and the intermediate pipe 16 is slightly opened as shown in FIG. If it moves forward, the water will be jetted out from the nozzle opening 12, and if the intermediate cylinder 16 is moved forward as shown in FIG. 3, the nozzle opening 12 will be wide open and the water will be jetted straight. To do. Furthermore, the intermediate cylinder 16
4 is moved forward as shown in FIG. 4, the through hole 5 is closed by the closing member 23 to stop the outflow of water from the nozzle opening 12. Further, as shown in FIG. 5, the intermediate cylinder 1
6 is moved forward and the through hole 5 is slightly opened so that water flows out like a watering can through the perforated plate 20, and when the intermediate cylinder 16 is further advanced as shown in FIG.
Water is more like a shower.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings.
A nozzle body 6 having a base cylinder 2 having a holding cylinder 3 and a through hole 5 in a side wall 4 in order, an adjusting rod 10 having a tip projection 32 at the tip, a valve 11 and a closed tip. The adjusting cylinder 9 is provided so that the adjusting cylinder 9 can be moved back and forth via the outer fitting portion 8 fitted to the base fitting portion 7 of the nozzle body 6, and
Is a small tube portion 1 having a nozzle opening 12 through which an adjusting rod portion 10 having a tip protruding portion 32 provided at the tip of a nozzle body 6 comes in and out.
3 is provided with a valve seat 14 that comes into contact with and separates from the valve portion 11, and has an intermediate cylinder 16 having a flow gap 15 between the nozzle body 6 and a communication gap 22 provided at the base outside the intermediate cylinder 16.
An outer circulation gap 17 communicating with the circulation gap 15 is provided to form an outer cylinder 18, and the perforated plate 20 is formed in the opening 19 thereof.
And an exposure hole 21 for exposing the small tube portion 13 is provided in the center of the perforated plate 20, and is also provided in the flow gap 15 in the vicinity of the communication gap 22 and in sliding contact with the peripheral side wall 4 of the nozzle body 6. 5 is attached to the intermediate cylinder 16 for blocking communication between the communication gap 5 and the communication gap 22 and for closing the through hole 5, and 24 is a first connecting portion between the base cylinder 2 and the grip cylinder 3, and 25 is the grip cylinder 3. Is a second connecting portion between the nozzle body 6 and the nozzle body 6.

Further, in the illustrated example, the base fitting portion 7 of the nozzle body 6 and the outer fitting portion 8 of the intermediate cylinder 16 are screwed together, and the grip portion 26 of the intermediate cylinder 16 is gripped to rotate. By doing so, the intermediate cylinder 16 moves back and forth with respect to the nozzle body 6, but the forward and backward movement of the intermediate cylinder 16 is not limited to the illustrated rotation.

Further, due to the forward and backward movement of the intermediate cylinder 16,
The sprinkling state is changed to a straight shape, a watering can shape, and a shower shape, but the sprinkling state is changed in addition to the change of the sprinkling state due to the forward and backward movement of the intermediate cylinder 16 by adding another configuration (not shown). It is also possible to let.

In the illustrated construction, the closing member 23 temporarily closes the through hole 5 to stop the ejection when changing from the straight shape to the watering can shape. When the surface area of the closing member 23 is small, the outflow of water does not stop and changes from a straight shape to a watering can shape.

Reference numeral 27 is a first leak-preventing O-ring attached to the concave groove portion 28 of the nozzle body 6, and can be replaced by rotating the intermediate cylinder 16 and removing it from the nozzle body 6.

The closing member 23 is an intermediate cylinder 16 of the intermediate cylinder 16.
Two second leak-preventing O-rings 30, 30 are detachably attached to the wide concave groove portion 29 provided on the inner peripheral surface of the.

Reference numeral 31 is a threaded ring frame for attaching and detaching the perforated plate 20.

[0013]

The present invention has the above-described structure, and the adjustment rod portion 10 having the tip projection portion 32 is provided at the tip of the hollow nozzle body 6 whose base end communicates with the hose connecting portion 1. On the outer peripheral side of the nozzle body 6, an internal flow gap 1 with a constant interval is formed.
5, the intermediate cylinder 16 is surrounded and the tip of the internal flow gap 15 is communicated with the nozzle opening 12 located ahead of the nozzle body 6, and the closing member 23 is provided on the inner peripheral side wall of the intermediate cylinder 16. The closing member 23 is crimped to the outer peripheral side wall of the nozzle body 6, and by sliding of the intermediate cylinder 16, the closing member 23 slides on the outer peripheral surface of the nozzle body 6 to partition and close the rear end of the internal flow gap 15. Thus, the through hole 5 is formed in the outer peripheral side wall of the nozzle body 6, and the through hole 5 is configured to be positioned in front of or behind the closing member 23 by the forward and backward sliding operation of the intermediate cylinder 16. An outer circulation gap 17 having a constant interval is held on the outer peripheral side of 16 to surround the outer cylinder 18, and the through hole 5 is provided at the base end of the outer circulation gap 17 with the closing member 23.
When it is located at the rear side of the intermediate cylinder 16, it is configured to communicate with the through hole 5 through the communication gap 22 provided in the base of the intermediate cylinder 16, and the tip of the external circulation gap 17 is formed at the tip of the outer cylinder 18. The hose connected to the hose connecting part 1 by connecting to the hose connecting part 1 is connected to the hose connecting part 1, water is pumped through the hose, and the intermediate cylinder 16 is operated back and forth to be ejected from the nozzle port 12 and the perforated plate 20. The amount of flowing water can be kept constant at a desired position.

Further, the change in the jetting state and the change in the outflowing state can be changed to a drill shape, a straight shape, a watering can shape, a shower shape, etc. simply by moving the intermediate cylinder 16 back and forth as shown in FIGS. 2 to 6. The operation is extremely simple.

Further, since the adjusting rod portion 10 provided at the tip of the nozzle body 6 is provided with the tip projecting portion 32, water does not flow out in a short distance when water is sprinkled in a straight shape, and it is far away. It can be drained after being fully filled.

Further, the number of parts in manufacturing can be reduced, and the labor cost can be reduced, so that it can be provided at a low cost.

Further, it has many industrial effects such that it has a simple structure and is less likely to be damaged and can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of the present invention.

2 to 6 are explanatory cross-sectional views of a usage state.

FIG. 7 is an explanatory diagram of a conventional product.

[Name of code]

 DESCRIPTION OF SYMBOLS 1 ... Hose connection part 2 ... Base cylinder 3 ... Grip cylinder 4 ... Peripheral side wall 5 ... Through hole 6 ... Nozzle body 7 ... Base fitting part 8 ... Outer fitting part 9 ... Adjusting cylinder 10 ... Adjusting rod 11 ... Valve part 12 ... Nozzle port 13 ... Small cylinder part 14 ... Valve seat 15 ... Internal distribution gap 16 ... Intermediate cylinder 17 ... External distribution gap 18 ... Outside cylinder 19 ... Opening 20 ... Perforated plate 21 ... Exposed hole 22 ... Communication gap 23 ... Closing member 24 ... 1st connection part 25 ... 2nd connection part 26 ... Grip part 27 ... 1st leak prevention O ring 28 ... Recessed groove part 29 ... Wide recessed groove part 30 ... 2nd leak prevention O ring 31 ... Detachable screw ring Frame 32 ... Tip protrusion

Claims (1)

[Claims] 1. An adjusting rod 10 having a tip projection 32 is provided at the tip of a hollow nozzle body 6 whose base end communicates with the hose connecting portion 1, and a constant interval is provided on the outer peripheral side of the nozzle body 6. The inner flow gap 15 is retained to surround the intermediate cylinder 16, the tip of the internal flow gap 15 is communicated with the nozzle port 12 located ahead of the nozzle body 6, and a closing member is provided on the inner peripheral side wall of the intermediate cylinder 16. 23 is provided, and the same member is used as the nozzle body 6
The closing member 23 slides on the outer peripheral surface of the nozzle body 6 so as to partition and close the rear end of the internal flow gap 15 by sliding on the outer peripheral side wall of the nozzle body 6. A through hole 5 is formed on the outer peripheral side wall of the intermediate cylinder 16, and the through hole 5 is closed by the forward and backward sliding operation of the intermediate cylinder 16.
Of the intermediate cylinder 16 and the outer cylinder 18 is surrounded by the outer cylinder 18 at a constant distance on the outer peripheral side of the intermediate cylinder 16 and surrounds the outer cylinder 18. Is configured to communicate with the through hole 5 via the communication gap 22 provided at the base of the intermediate cylinder 16 when the is located behind the closing member 23,
Moreover, the sprinkling nozzle is characterized in that the tip of the external circulation gap 17 communicates with the perforated plate 20 formed at the tip of the outer cylinder 18.