JPH0838947A - Sprinkler nozzle - Google Patents

Abstract

PURPOSE:To obtain a sprinkler nozzle inexpensively provided and easily used. CONSTITUTION:An adjusting stick part 10 provided with a tip projecting part 32 is provided on the tip of a nozzle body 6. An inner flow pass 15 communicating with a nozzle port 12 is held to surround an intermediate cylinder 16. A closing member 23 is provided on the inner peripheral side wall of the intermediate cylinder 16. The member 23 is adhered by pressing to the outer peripheral side wall of the nozzle body 6. By the sliding of the intermediate cylinder 16, the closing member 23 separates and closes the back end of the inner flow pass 15 while sliding on the outer peripheral surface of the nozzle body 6. Further, a through-hole 5 is made in the outer peripheral wall of the nozzle body 6 so that it may be located before or after the closing member 23 by sliding action back and forth of the intermediate cylinder 16. A spiral engaging part 40 for holding an outer flow pass 17 to surround an outer cylinder 18 and for converting the rotation movement into the sliding movement back and forth on the outer peripheral surface of the nozzle body 6 of the closing member 23 between an adjusting cylinder 9 formed of the intermediate cylinder 16 and the outer peripheral cylinder 18 and the nozzle body 6 is provided on the outer periphery side of the 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 watering nozzle, and more particularly to a convenient watering nozzle capable of smoothly and easily changing a watering state.

[0002]

2. Description of the Related Art As a conventional sprinkling nozzle, the present applicant has proposed a nozzle as shown in FIG. This sprinkling nozzle has a hose connecting portion 50 at the base end, and a nozzle body 53 having a closed tip is externally screwed onto the tip side of a base cylinder 52 having a through hole 51 on the peripheral side wall from the closed portion at the tip. Then, this base cylinder 5
A valve portion 54 that opens and closes the communication between the nozzle 2 and the nozzle main body 53 by a rotary operation is formed, and a middle cylinder 55 on the tip side of the nozzle main body 53 and an outer cylinder 56 on the outside of the middle cylinder 55 are each rotated. The nozzle body 53 and the middle cylinder 55 are provided with through holes 57 and 58 in the peripheral walls of the front end portions of the nozzle body 53 and the middle cylinder 55, respectively. In addition, the tip of the nozzle body 53 and the middle cylinder 55
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, and the valve portion 59.
A nozzle portion 60 is formed at a position closer to the front end than that, and a valve portion 61 that opens and closes the opening of the outer cylinder 56 by rotating the outer cylinder 56 at the front end of the middle cylinder 55 and the front end of the outer cylinder 56. Is provided, a flared trumpet-shaped portion is formed outside the tip of the outer cylinder 56, the opening is closed by the perforated plate 62, and the middle cylinder tip small cylinder 63 is densely slid in the center of the perforated plate 62. A through hole 64 that moves forward and backward is formed (Japanese Patent Laid-Open No. 55-116).
459).

[0003]

By the way, the above-mentioned conventional nozzle for water sprinkling has the following problems in order to change the water sprinkling state.
Rotating operation of the nozzle body 53 externally screwed to the base cylinder 52, rotating operation of the middle cylinder 55 externally screwed to the nozzle body 53, and rotating operation of the outer cylinder 56 externally screwed to the middle cylinder 55. However, there is a problem that the operation is complicated. Also, there are many parts for assembling the watering nozzle,
This type of sprinkler nozzle, which is provided at the lowest possible price, has drawbacks such as high material costs for assembling and labor costs, 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-mentioned object, the sprinkling nozzle of the present invention has a hose connecting portion 1 at the base end.
The tip of the hollow nozzle body 6 communicating with
The adjusting rod portion 10 provided with 2 is provided, the inner flow passage 15 is held on the outer peripheral side of the nozzle body 6 to surround the intermediate cylinder 16, and the tip of the inner flow passage 15 is located ahead of the nozzle body 6. The closing member 23 is provided on the inner peripheral side wall of the intermediate cylinder 16, and the closing member 23 is crimped to the outer peripheral side wall of the nozzle body 6 by sliding the intermediate cylinder 16 so that the closing member 23 is connected to the nozzle. The rear end of the internal flow passage 15 is configured to be partitioned and closed while sliding on the outer peripheral surface of the main body 6, and the through hole 5 is bored in the outer peripheral side wall of the nozzle main body 6 to slide the intermediate cylinder 16 back and forth. The through hole 5 is located in front of or behind the closing member 23, and the outer flow passage 17 is held on the outer peripheral side of the intermediate cylinder 16 to surround the outer cylinder 18, and the base of the outer flow passage 17 is formed. The end is an intermediate cylinder when the through hole 5 is located behind the closing member 23. The communication passage 22 provided in the 6 base of
The outer flow passage 17 is communicated with the perforated plate 20 formed at the tip of the outer cylinder 18, and the intermediate cylinder 16 and the outer cylinder 18 are connected to each other. Is integrally formed as an adjusting cylinder 9, and the adjusting cylinder 9 is configured to be rotatable with respect to the nozzle body 6, and the rotational movement of the adjusting cylinder 9 is adjusted between the adjusting cylinder 9 and the nozzle body 6. A spiral engaging portion 40 that converts the sliding movement of the closing member 23 on the outer peripheral surface of the nozzle body 6 is provided.

The present invention is realized by the above-mentioned means as shown in FIG.
In the state shown in FIG. 2, a hose is connected to the hose connecting portion 1 to open a faucet for water supply, and the adjusting cylinder 9 formed integrally with the intermediate cylinder 16 and the outer cylinder 18 is rotated to rotate the spiral engaging portion. Four
When the intermediate cylinder 16 is moved to the front as shown in FIG. 2 by 0, the water spouts from the nozzle opening 12 in the shape of a hole. Further, when the adjusting cylinder 9 is rotated and the intermediate cylinder 16 is moved forward as shown in FIG. 3, the nozzle port 12 is largely opened and water is jetted straight. Furthermore,
If the intermediate cylinder 16 is advanced as shown in FIG.
Is closed by the closing member 23 to stop the outflow of water from the nozzle opening 12. Then, when the intermediate cylinder 16 is advanced as shown in FIG. 5, the through holes 5 are slightly opened so that the water flows out like a watering can through the porous plate 20, and the intermediate cylinder 16 is further shown in FIG. When it is advanced as described above, water is jetted from the porous plate 20 in a shower shape.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 show an embodiment of a sprinkling nozzle according to the present invention. In each figure,
Reference numeral 1 denotes a hose connecting portion, which is provided with a base cylinder 2 having a hose connecting portion 1 at its base end, a gripping cylinder 3 and a through hole 5 in a side wall 4 in order. Further, the adjusting rod portion 10 having the tip protruding portion 32 at the tip thereof
And a nozzle body 6 having a valve portion 11 and a closed tip,
Further, the adjustment cylinder 9 is attached so as to move back and forth via the outer fitting portion 8 fitted to the base fitting portion 7 of the nozzle main body 6, and the adjustment cylinder 9 has a tip projection 32 provided at the tip of the nozzle main body 6. A small cylinder portion 13 having a nozzle port 12 through which the adjusting rod portion 10 provided in and out is provided, and a valve seat 14 that comes in and out of contact with the valve portion 11 is provided, and an internal flow passage 15 is provided between the valve body 11 and the nozzle body 6. An external flow passage 17 communicating with the internal flow passage 15 through an intermediate pipe 16 and a communication passage 22 provided at the base outside the intermediate pipe 16.
Is provided to form an outer cylinder 18, a perforated plate 20 is provided in an opening 19 thereof, an exposure hole 21 for exposing the small cylinder portion 13 is provided at the center of the perforated plate 20, and the inner space is provided close to the communication passage 22. A closing member 23, which is interposed in the flow passage 15 and slides on the peripheral side wall 4 of the nozzle body 6 to shut off the communication between the through hole 5 and the communication passage 22 and to close the through hole 5, is attached to the intermediate cylinder 16, and 24 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.

Further, in the illustrated example, the outer fitting portion 8 of the base fitting portion 7 of the nozzle body 6 and the intermediate cylinder 16 forming the adjusting cylinder 9 is screwed to form a spiral engaging portion 40. ing. Therefore, although the intermediate cylinder 16 is moved back and forth with respect to the nozzle body 6 by gripping and rotating the grip portion 26 of the intermediate cylinder 16, the forward and backward movement of the intermediate cylinder 16 becomes the screwed state shown in the figure. Without being limited thereto, as long as a spiral engaging portion is formed to convert the rotational movement of the adjusting cylinder 9 into the forward / backward sliding movement of the closing member 23 on the outer peripheral surface of the nozzle body 6, the formation portion and its position. The pitch and the like are not limited.

That is, the engaging portion 40 may be locked by a pair of male and female screws, or even a pair of a spiral ridge and a protrusion engaging with the ridge may be used as another spiral. It may form a part. Further, the position where the engaging portion is formed is provided between the intermediate cylinder 16 and the nozzle body 6 as in this example, but this position is not limited.

Further, in the illustrated structure, when changing from a straight shape to a watering can shape, the through hole 5 is once closed by the closing member 23 so as to stop the ejection, but with respect to the opening area of the through hole 5. 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.
The 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. The inner flow passage 15 is held on the outer peripheral side of the nozzle body 6 so as to surround the intermediate cylinder 16, and the tip of the internal flow passage 15 is communicated with the nozzle port 12 located at the tip of the nozzle body 6. A closing member 23 is provided on the inner peripheral side wall of the nozzle body, and the closing member 23 is pressed against the outer peripheral side wall of the nozzle main body 6, and the closing member 23 slides on the outer peripheral surface of the nozzle main body 6 by the sliding of the intermediate cylinder 16. The rear end of the passage 15 is configured to be partitioned and closed, 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 located in front of or behind the closing member 23 by the forward and backward sliding movement of the intermediate cylinder 16, and the external flow passage 17 is held on the outer peripheral side of the intermediate cylinder 16. The outer tube 18 is surrounded and the base end of the outer flow path 17 is communicated with the through hole 5 through the communication path 22 provided at the base of the intermediate tube 16 when the through hole 5 is located behind the closing member 23. In addition, the tip of the external flow passage 17 communicates with the perforated plate 20 formed at the tip of the outer cylinder 18, and further, the intermediate cylinder 16 and the outer cylinder 18
Are connected to each other to form a substantially integrated adjustment cylinder 9, which is configured to be rotatable with respect to the nozzle body 6, and the adjustment cylinder 9 is provided between the adjustment cylinder 9 and the nozzle body 6. A spiral engagement portion 40 is provided for converting the rotational movement into the forward / backward sliding movement of the outer peripheral surface of the nozzle body 6 of the closing member 23, and the tip of the external flow passage 17 is formed of the outer cylinder 18. By connecting the hose connected to the hose connecting portion 1 by a water faucet or the like by communicating with the perforated plate 20 formed at the tip, the water is pumped through the hose and the intermediate cylinder 16 is operated back and forth to make the nozzle opening 12 Also, the amount of flowing water ejected from the porous plate 20 can be kept constant at a desired position.

The change of the jetting state and the change of the outflowing state are caused by rotating the adjusting cylinder 9 as shown in FIGS. 2 to 6 to move the closing member 23 back and forth on the nozzle body 6 by the spiral engaging portion 40. It can be changed into a drill shape, a straight shape, a watering can shape, a shower shape, etc. only by moving, and 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, the water is not seen out over a short distance when water is sprinkled in a straight shape, and the farther away. It is something that can be stored and drained.

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 cross-sectional view showing an embodiment of a watering nozzle according to the present invention.

FIG. 2 is a cross-sectional view showing a usage state of the water spray nozzle shown in FIG.

FIG. 3 is a cross-sectional view showing a usage state of the water spray nozzle shown in FIG.

FIG. 4 is a cross-sectional view showing a usage state of the water spray nozzle shown in FIG.

5 is a cross-sectional view showing a usage state of the water spray nozzle shown in FIG.

FIG. 6 is a cross-sectional view showing a usage state of the water spray nozzle shown in FIG.

FIG. 7 is a cross-sectional view showing a configuration of a conventional watering nozzle.

[Explanation of Codes] 1 ... Hose connecting 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 part 11 ... Valve part 12 ... Nozzle mouth 13 ... Small cylinder part 14 ... Valve seat 15 ... Internal flow passage 16 ... Intermediate cylinder 17 ... External flow passage 18 ... Outer cylinder 19 ... Opening part 20 ... Perforated plate 21 ... Exposed hole 22 ... Passage 23 ... Closing member 24 ... First connection part 25 ... Second connection part 26 ... Gripping part 27 ... First leak-preventing O-ring 28 ... Recessed groove 29 ... Wide recessed groove 30 ... Second leak-prevention O-ring 31 ... Attaching / detaching screw ring frame 32 ... Tip protruding portion 40 ... Engaging portion

Claims (1)

[Claims] 1. An adjusting rod portion 10 having a tip protruding portion 32 is provided at the tip of a hollow nozzle body 6 whose base end communicates with a hose connecting portion 1, and internal flow is provided on the outer peripheral side of the nozzle body 6. The passage 15 is held to surround the intermediate cylinder 16, the tip of the internal flow passage 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. In order to close and close the rear end of the internal flow passage 15 while the closing member 23 slides on the outer peripheral surface of the nozzle body 6 by sliding the intermediate cylinder 16 while pressing the same member on the outer peripheral side wall of the nozzle body 6. The through hole 5 is formed in the outer peripheral side wall of the nozzle body 6, and the through hole 5 is closed by the forward and backward sliding movement of the intermediate cylinder 16.
3, the outer cylinder 18 is surrounded by the outer cylinder 18 on the outer peripheral side of the intermediate cylinder 16, and the outer cylinder 18 is surrounded by the through hole 5. It is configured so as to communicate with the through hole 5 via the communication passage 22 provided at the base of the intermediate cylinder 16 when positioned behind the member 23, and the tip of the external flow passage 17 has a porous shape formed at the tip of the outer cylinder 18. The adjusting cylinder 9 is communicated with the plate 20, and further, the intermediate cylinder 16 and the outer cylinder 18 are connected to each other to form an adjusting cylinder 9 as a substantially integrated body.
It is configured to be rotatable with respect to the adjustment cylinder 9 and the nozzle body 6, and converts the rotational movement of the adjustment cylinder 9 into a longitudinal sliding movement of the closing member 23 on the outer peripheral surface of the nozzle body 6. A sprinkling nozzle provided with a spiral engaging portion 40.