JPH0439385B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <<Industrial Application Field>> The present invention relates to a convenient water sprinkling nozzle that can perform water sprinkling smoothly.

<<Prior Art>> As shown in FIG. 7, which is an application filed by the same applicant as the present application, a conventional water spray nozzle has a hose connection part 50 at the base end, and a through hole 51 in the peripheral side wall from the closed part at the tip. A nozzle main body 53 with a closed end is externally fitted onto the distal end side of the base cylinder 52, and a valve part 54 is formed which opens and closes communication between the base cylinder 52 and the nozzle main body 53 by rotational operation. , a middle cylinder 55 is provided on the tip side of the nozzle body 53, and an outer cylinder 56 is provided on the outside of this middle cylinder 55.
Through holes 57 and 58 are provided in the circumferential walls of the distal ends of the nozzle body 53 and the middle cylinder 55, respectively, so that the distal ends of the nozzle body 53 and the distal ends of the middle cylinder 55 In addition, a valve part 59 for controlling the amount of water flowing out from the middle cylinder by the rotational operation of the middle cylinder 55, and a nozzle part 60 are formed at a position closer to the distal end than the valve part 59. 55 and the tip of the outer cylinder 56 are provided with a valve part 61 that opens and closes the opening of the outer cylinder 56 by rotating the outer cylinder 56, and a flared flap is provided on the outside of the tip of the outer cylinder 56. A water sprinkling nozzle is known in which a hole 64 is formed in the center of the perforated plate 62 through which a small cylindrical portion 63 at the tip of the middle cylinder closely slides back and forth. (Refer to Japanese Unexamined Patent Publication No. 116459/1983).

<<Problems to be Solved by the Invention>> By the way, this nozzle body 53 is externally screwed to the base cylinder 52 and has an operation for changing the water sprinkling state.
Rotating operation of the middle cylinder 55 externally fitted onto the nozzle main body 53; Rotating operation of the middle cylinder 55 externally fitted onto the middle cylinder 55
Since you have to perform the rotation operation shown in step 6, women and girls who are clumsy at the operation cannot do it smoothly.
In addition, this type of water spray nozzle, which requires a large number of parts to assemble, and which is provided at the lowest possible price, has the disadvantage that it cannot be provided at a low price because of the high material and labor costs for assembly. This invention solves the above-mentioned problems, and aims to provide a water spray nozzle that can be provided at low cost and is convenient to use.

<Means for Solving the Problems> In order to achieve the above object, the water spray nozzle of the present invention has a hollow nozzle body 6 whose base end communicates with the hose connection part 1. An internal flow gap 15 is maintained at a constant interval on the side of the outer circumference of the main body 6 to surround the intermediate cylinder 16.
The tip of the nozzle body 6 is connected to the nozzle port 12 located at the front end of the nozzle body 6, and a closing member 23 is provided on the inner peripheral side wall of the intermediate part of the intermediate cylinder 16, and the closing member 23 is crimped to the outer peripheral side wall of the nozzle body 6. 1
6, the closing member 23 closes the nozzle body 6.
The rear end of the internal flow chamber 15 is partitioned and closed while sliding on the outer circumferential surface of the nozzle body 6. A through hole 5 is bored in the outer circumferential side wall of the nozzle body 6, so that the intermediate tube 16 can be slid back and forth. Therefore, the through hole 5 is configured to be located at the front or rear of the closing member 23, and an external communication gap 17 is maintained at a constant interval on the outer peripheral side of the intermediate cylinder 16 to surround the outer cylinder 18. When the through hole 5 is located behind the closing member 23, the base end of the communication gap 17 is connected to the through hole 5 through the communication gap 22 provided at the base of the intermediate cylinder 16.
Moreover, the tip of the external flow pipe 17 communicates with a perforated plate 20 formed at the tip of the outer cylinder 18.

<<Function>> The present invention uses the above-mentioned means to connect the hose to the hose connection part 1 in the state shown in FIG. If the intermediate tube 16 is moved forward as shown in FIG. 3, the nozzle opening 12 is opened wide and the water is ejected in a straight shape. It is something that gushes out. Further, when the intermediate cylinder 16 is moved forward as shown in FIG. 4, the through hole 5 is closed by the closing member 23, and the outflow of water from the nozzle port 12 is stopped. Further, as shown in FIG. 5, by advancing the intermediate cylinder 16 and opening the through hole 5 slightly, water flows out through the perforated plate 20 in the form of a funnel. As shown in FIG. 6, when the porous plate 20 is moved forward, water is ejected from the perforated plate 20 in a shower shape.

<<Embodiment>> Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a hose connection part, and a base cylinder 2 having a hose connection part 1 at the base end is sequentially provided with a grip cylinder 3 and a through hole 5 in the peripheral side wall 4. A nozzle main body 6 having a tip adjusting rod part 10 and a valve part 11 with a closed end is provided, and an adjusting cylinder 9 is fitted through an outer fitting part 8 fitted to a base fitting part 7 of the nozzle main body 6. The adjustment cylinder 9 is attached to move back and forth, and has a small cylinder part 13 with a nozzle opening 12 through which the tip adjustment rod part 10 of the nozzle body 6 enters and exits, and a valve seat 14 that comes into contact with and separates from the valve part 11. ,
An intermediate cylinder 16 with a flow gap 15 provided between it and the nozzle body 6, and an external flow gap 17 that communicates with the flow gap 15 via a communication gap 22 provided at the base outside the intermediate cylinder 16. A perforated plate 20 is provided in the opening 19 of the outer cylinder 18.
An exposure hole 21 exposing the small cylindrical portion 13 is provided in the center of the nozzle body 6, and the through hole 5 is interposed in the communication gap 15 in the vicinity of the communication gap 22 and slides into contact with the peripheral side wall 4 of the nozzle body 6.
A closing member 23 is attached to the intermediate cylinder 16 to cut off the communication with the communication gap 22 and close the through hole 5, and 24 is the first connecting part between the base cylinder 2 and the grip cylinder 3, and 25 is the first connection part between the grip cylinder 3. and the nozzle body 6.
In addition, in the illustrated case, the base fitting portion 7 of the nozzle body 6
The outer fitting part 8 of the intermediate cylinder 16 and the intermediate cylinder 16 are screwed together, and by gripping and rotating the grip part 26 of the intermediate cylinder 16, the intermediate cylinder 16 is attached to the nozzle body 6.
moves back and forth. 27 is a first leak-preventing O-ring attached to the concave groove 28 of the nozzle body 6, which rotates the intermediate cylinder 16 to open the nozzle body 6.
It can be replaced by removing it. Further, the closing member 23 has two second leak-preventing holes in a wide concave groove 29 provided on the inner peripheral surface of the intermediate cylinder 16 of the adjusting cylinder 9.
The rings 30, 30 are attached so that they can be attached and detached. Further, 31 is a screw ring frame for attaching and detaching the perforated plate 20.

<<Effects of the Invention>> The present invention has the above-described structure, and the tip of the hollow nozzle body 6 whose base end communicates with the hose connection part 1 is closed, and the nozzle body 6 is provided with holes at regular intervals on the sides of the outer circumference. Holding the internal flow distance 15 and intermediate cylinder 16
The tip of the internal flow gap 15 is connected to the nozzle port 12 located at the front of the nozzle body 6,
Moreover, the closing member 2 is attached to the inner circumferential side wall of the intermediate part of the intermediate cylinder 16.
3, the closing member 23 is pressed against the outer peripheral side wall of the nozzle body 6, and the intermediate cylinder 16 slides, so that the closing member 23 slides on the outer peripheral surface of the nozzle body 6 and closes the internal flow area 15. The rear end is partitioned and closed, and a through hole 5 is bored in the outer circumferential side wall of the nozzle body 6, and the through hole 5 is opened to the front or rear of the closing member 23 by sliding the intermediate cylinder 16 back and forth. Also, on the outer periphery side of the intermediate cylinder 16, an external flow gap 17 is maintained at a constant interval to surround the outer cylinder 18, and the base end of the external flow gap 17 is provided with a through hole 5 as a closing member. 23, it is configured to communicate with the through hole 5 via the communication gap 22 provided at the base of the intermediate cylinder 16, and the tip of the external communication gap 17 is formed at the tip of the outer cylinder 18. By communicating with the perforated plate 20, a continuous hose from a water faucet or the like is connected to the hose connection part 1, and water is pumped through the hose and the intermediate cylinder 16 is operated back and forth to connect the nozzle port 12 and the perforated hole. The amount of water ejected from the plate 20 can be maintained constant at a desired position.
In addition, changes in the ejection state and outflow state can be made by simply moving the intermediate cylinder 16 back and forth, as shown in FIGS. The operation is extremely simple. In addition, the number of manufacturing parts and labor costs can be reduced, and the product can be provided at low cost. Furthermore, the structure is simple, there is little risk of failure, and it can be manufactured easily, which provides many industrial effects.

[Brief explanation of drawings]

Figure 1 is a vertical sectional view, Figure 2, Figure 3, Figure 4,
FIGS. 5 and 6 are cross-sectional views showing the state of use, and FIG. 7 is an explanatory view of a conventional product. 1... Hose connection part, 2... Base tube, 3... Gripping tube, 4
... Circumferential wall, 5... Through hole, 6... Nozzle body, 7... Base fitting part, 8... External fitting part, 9... Adjustment tube, 10... Tip adjustment rod part, 11... Valve part, 12... Nozzle opening, 13 ...Small cylinder part, 14...Valve seat, 15...Internal circulation, 16...
Intermediate cylinder, 17... External flow interval, 18... Outer cylinder, 1
9... Opening, 20... Perforated plate, 21... Exposure hole, 22
... Between communication =, 23... Closing member, 24... First connecting part, 25... Second connecting part, 26... Gripping part, 27... First leak-preventing O-ring, 28... Concave groove part, 29... Wide concave groove part, 30...Second leakage prevention O-ring, 31
...Threaded ring frame for attachment and detachment.

Claims (1)

[Claims] 1. Close the tip of the hollow nozzle body 6 whose base end communicates with the hose connection part 1, and surround the intermediate cylinder 16 by holding an internal flow gap 15 at a constant interval on the outer periphery side of the nozzle body 6. The tip of the internal flow gap 15 is communicated with the nozzle port 12 located at the forward end of the nozzle body 6, and a closing member 23 is provided on the inner circumferential side wall of the intermediate part of the intermediate cylinder 16, and the closing member 23 is connected to the outer circumferential side wall of the nozzle body 6. At the same time, by the sliding of the intermediate cylinder 16, the closing member 23 slides on the outer peripheral surface of the nozzle body 6 and partitions and closes the rear end of the internal flow chamber 15. A through hole 5 is bored in the outer peripheral side wall of the intermediate cylinder 16, and the through hole 5 is positioned in front or behind the closing member 23 by sliding the intermediate cylinder 16 back and forth. The outer cylinder 1 is maintained with a constant interval of external flow space = 17.
8, and the base end of the external communication gap 17 is designed to communicate with the through hole 5 via the communication gap 22 provided at the base of the intermediate cylinder 16 when the through hole 5 is located behind the closing member 23. A water sprinkling nozzle characterized in that the tip of the external flow channel 17 communicates with a perforated plate 20 formed at the tip of an outer cylinder 18.