JPH05200331A - Water spray nozzle - Google Patents

Abstract

PURPOSE:To smoothly and easily make the spray state variable by installing an intermediate cylinder for changing the blowout state and runoff state and installing an end projected part on an adjusting stick part at the end of a nozzle body. CONSTITUTION:A nozzle body 6 having an adjusting lever part 10 equipped with an end projected part 34 at the end is provided and an adjusting cylinder 9 is fitted to it through an outer engaged part 8 engaged with a base engaged part 7 of the nozzle body 6 so that it can move forward and backward. The adjusting cylinder 9 has a small cylinder part 13 equipped with a nozzle spout 12 where the adjusting stick part 10 is put in and out and also has a valve seat 14 connected to or detached from the valve part 11. And an outer flow clearance 17 communicating with an inner flow clearance 15 through a communicating clearance 22 is provided to form an outer cylinder part 18. An opening 19 is equipped with a perforated plate 20 and simultaneously an open hole 21 exposing the small cylinder part 13 is made in the central part of the perforated plate 20. Further, a projected member 23 which is slidably brought into contact with the 1st block member 29 and 2nd block member 30 and intercepts the communication between a penetrating hole 5 and a communicating clearance 22 and blocks the penetrating hole 5 is fitted to an intermediate cylinder 16.

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. The 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 rotating 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 is expanded outward. A sprinkler nozzle is known in which a trapezoidal portion is formed and its opening is closed by a perforated plate 62, and a through hole 64 is formed in the center of the perforated plate 62 for allowing a small cylinder portion 63 of a middle cylinder tip to slide 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 it cannot be provided at low cost.
The present invention solves the above-mentioned problems, and an object thereof is to obtain a sprinkling nozzle which can be provided at a low cost and is convenient to use.

[0004]

In order to achieve the above object, the water spray nozzle of the present invention has a base cylinder 2 having a hose connecting portion 1 at the base end, and a gripping cylinder 3 and a peripheral side wall 4 which are successively penetrated. A nozzle main body 6 having a hole 5 and a first closing member 29 and a second closing member 30 in front of and behind the through hole 5 and having an adjusting rod portion 10 having a tip protruding portion 34 at its tip and a valve portion 11. Is provided
Further, the adjusting cylinder 9 is attached to the base fitting part 7 of the nozzle body 6 through an outer fitting part 8 so as to move back and forth, and the adjusting cylinder 9 is a nozzle port through which the adjusting rod part 10 of the nozzle body 6 comes in and out. An intermediate cylinder 16 having a small cylinder portion 13 provided with 12 and a valve seat 14 coming in and out of contact with the valve portion 11 and having an internal flow gap 15 between the nozzle body 6 and the outside of the intermediate cylinder 16 An external flow gap 17 communicating with the internal flow gap 15 through a communication gap 22 provided in the base is provided to form an outer tubular portion 18, and a perforated plate 20 is provided in the opening 19 and at the center of the perforated plate 20. An exposure hole 21 exposing the small tube portion 13 is provided,
Moreover, the first closing member 29 and the second closing member 30 which are provided in the vicinity of the communication gap 22 and project in the internal circulation gap 15 before and after the through hole 5 formed in the peripheral side wall 4 of the nozzle body 6 are provided. A protruding member 23, which is slidably contacted with the through hole 5 and the communication gap 22 to block communication and closes the through hole 5, is attached to the intermediate cylinder 16.

[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 the water is moved forward, the water is jetted out from the nozzle opening 12 and further, if the intermediate cylinder 16 is moved forward as shown in FIG. 3, the adjusting rod portion protruding into the nozzle opening 12 is provided. The nozzle 10 is retreated and the nozzle opening 12 is largely opened, so that the water is jetted straight. Further intermediate cylinder 1
When 6 is advanced as shown in FIG. 4, the through hole 5 has a first closing member 29 and a second closing member 30 provided in front of and behind the through hole 5.
It is closed by the projecting member 23 to stop the outflow of water from the nozzle opening 12.

Further, as shown in FIG. 5, the intermediate cylinder 16
And a small gap is formed between the second closing member 30 provided between the through hole 5 and the communication gap 22 and the projecting member 23, whereby water flows out like a watering can through the perforated plate 20,
Further, when the intermediate cylinder 16 is advanced as shown in FIG. 6, water is jetted from the porous plate 20 in a shower shape.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings, in which 1 is a hose connecting portion, and a hose connecting portion 1 is provided at a base end.
The base cylinder 2 having the above is sequentially provided with the gripping cylinder 3 and the through hole 5 in the peripheral side wall 4, the first closing member 29 and the second closing member 30 are provided before and after the through hole 5, and the tip protruding portion 34 is provided at the tip. A nozzle body 6 having an adjusting rod portion 10 and a valve portion 11 provided therein is provided, and the adjusting cylinder 9 is attached so as to move back and forth via an outer fitting portion 8 fitted to a base fitting portion 7 of the nozzle body 6. Moreover, the adjusting cylinder 9 is the nozzle opening 1 through which the adjusting rod 10 of the nozzle body 6 comes in and out.
An intermediate cylinder 16 having a small cylinder portion 13 provided with 2 and a valve seat 14 that comes into contact with and separates from the valve portion 11 and has an internal flow gap 15 between the nozzle body 6 and the outside of the intermediate cylinder 16. An external flow gap 17 communicating with the internal flow gap 15 through a communication gap 22 provided at the base to form an outer tubular portion 18,
A perforated plate 20 is provided at the opening 19 and the perforated plate 20 is provided.
An exposing hole 21 exposing the small tube portion 13 is provided in the center of the nozzle, and also before and after a through hole 5 projecting in the internal flow gap 15 in the vicinity of the communication gap 22 and bored in the peripheral side wall 4 of the nozzle body 6. A projection member 23, which is slidably in contact with the first closing member 29 and the second closing member 30 provided in the above, for blocking communication between the through hole 5 and the communication gap 22 and for closing the through hole 5, is attached to the intermediate cylinder 16; Is a first connecting portion between the base cylinder 2 and the grip barrel 3, and 25 is a second connecting portion between the grip barrel 3 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 adjusting cylinder 9 are screwed together, and the grip portion 26 of the adjusting cylinder 9 is gripped to rotate. By doing so, the adjustment cylinder 9 moves back and forth with respect to the nozzle body 6, but the back and forth movement of the intermediate cylinder 16 is not limited to that shown.

Further, although the sprinkling state is changed by moving the intermediate cylinder 16 back and forth, by adding another structure (not shown), the sprinkling state can be changed in addition to the change of the sprinkling state by the forward and backward movement of the intermediate cylinder 16. It can be changed.

Further, in the structure shown in the drawing, when changing from a straight shape to a watering can shape, the first closing member 29, the second closing member 30, and the projecting member 23 temporarily close the through hole 5 to stop the ejection. However, when the distance between the first closing member 29 and the second closing member 30 is made longer than the dimension of the projecting member 23, the outflow of water does not stop and the water changes from a straight shape to a watering can shape.

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

The first closing member 29 and the second closing member 30 have the second leak preventing O-ring and the third leak preventing O-ring attached to and detached from the second concave groove portion 32 and the third concave groove portion 33 of the nozzle body 6. It is attached so that you can do it. 31 is a perforated plate 2
It is a threaded ring frame for attachment and detachment of 0.

[0013]

The present invention is constructed as described above, and the base cylinder 2 having the hose connecting portion 1 at the base end is provided with the gripping cylinder 3 and the through hole 5 in the peripheral side wall 4 in this order. A first closing member 29 and a second closing member 30 are provided at the front and rear, a control rod 10 having a tip projection 34 at the tip and a nozzle body 6 having a valve portion 11 are provided, and the base of the nozzle body 6 is fitted. The adjustment cylinder 9 is attached so as to move back and forth via the outer fitting portion 8 fitted to the joint portion 7, and the adjustment cylinder 9 is attached to the adjustment rod portion 10 of the nozzle body 6.
An intermediate cylinder 16 having a small cylinder portion 13 having a nozzle port 12 through which a gas flows in and out, and a valve seat 14 coming into and out of contact with the valve portion 11 and having an internal flow gap 15 between the nozzle body 6 and the intermediate cylinder 16. An external flow gap 17 communicating with the internal flow gap 15 is provided outside the pipe 16 through a communication gap 22 provided in the base to form an external tubular portion 18, and a perforated plate 20 is provided in the opening 19 thereof and a porous plate is provided. An exposure hole 21 is formed in the center of the plate 20 to expose the small tube portion 13, and also a projection 5 is provided adjacent to the communication gap 22 in the internal flow gap 15 and formed in the peripheral side wall 4 of the nozzle body 6. A first closing member 29 provided before and after the first closing member 29 and a protruding member 23 slidingly contacting the second closing member 30 for blocking communication between the through hole 5 and the communication gap 22 and closing the through hole 5 are attached to the intermediate cylinder 16. By doing so, connect the hose connected to the hose connecting part 1 from the water tap etc. By pumping water through a hose and holding the gripping cylinder 3 and adjusting the intermediate cylinder 16 back and forth, the amount of flowing water ejected from the nozzle opening 12 and the perforated plate 20 can be kept constant at a desired position. Is.

Further, the change of the jetting state and the change of the outflowing state can be changed to a drill shape, a straight shape, a watering can shape, a shower shape, etc. by merely 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 34, the water does not flow out for a short distance when water is sprinkled in a straight shape, and the water is not seen at a long distance. 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, 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 part 19 ... Opening part 20 ... Perforated plate 21 ... Exposed hole 22 ... Communication gap 23 ... Projection Installation member 24 ... 1st connection part 25 ... 2nd connection part 26 ... Grip part 27 ... 1st leak-proof O-ring 28 ... 1st recessed groove part 29 ... 1st closing member 30 ... 2nd closing member 31 ... Detaching screw Joint frame 32 ... Second concave groove portion 33 ... Third concave groove portion 34 ... Tip protruding portion

Claims (1)

[Claims] 1. A base cylinder 2 having a hose connecting portion 1 at its proximal end is provided with a gripping cylinder 3 and a through hole 5 in a peripheral side wall 4 in order, and a first closing member 29 is provided before and after the through hole 5, The nozzle body 6 is provided with the closing member 30 and the adjusting rod portion 10 having the tip protruding portion 34 at the tip and the valve portion 11, and the outer fitting portion 8 fitted to the base fitting portion 7 of the nozzle body 6. The adjusting cylinder 9 is attached so as to move back and forth through the adjusting cylinder 9, and the adjusting cylinder 9 has a small cylinder part 13 having a nozzle opening 12 through which the adjusting rod part 10 of the nozzle body 6 comes in and out, and is brought into contact with and separated from the valve part 11. It is connected to the internal flow gap 15 through an intermediate cylinder 16 having a valve seat 14 and having an internal flow gap 15 between it and the nozzle body 6, and a communication gap 22 provided at the base outside the intermediate pipe 16. An external circulation gap 17 is provided to form an outer tubular portion 18, and an opening portion 19 thereof is formed.
A perforated plate 20 is provided at the center of the perforated plate 20, and an exposed hole 21 exposing the small tubular portion 13 is provided at the center of the perforated plate 20. First closing member 2 provided before and after a through hole 5 formed in
9 and the second closing member 30 in sliding contact with the through hole 5 and the communication gap 22.
A sprinkling nozzle, wherein a projection member 23 for blocking communication with and blocking the through hole 5 is attached to the intermediate cylinder 16.