KR100200373B1 - Nozzle for spray - Google Patents

Abstract

The present invention relates to a spray nozzle capable of producing a multi spray pattern.

The present invention surrounds the inner cylinder on the outer circumferential side of the nozzle body, the gap in the inner cylinder is the inner flow path, and the outside of the inner cylinder is the outer flow path, and water is introduced into the inner cylinder through the openings formed in the main wall of the nozzle body. It is configured to be guided to the inner channel or the outer channel by. In addition, at the closed end of the nozzle body, a nuzzle tofu with a water flow hole on the circumferential wall is spoken, and the water flow hole communicates with the internal flow path. It's about providing a spray nozzle to get a spray form.

Description

Spray Nozzle

1 is an overall cross-sectional view of the water spray nozzle of the present invention.

2 is a cross-sectional explanatory diagram of important parts in the form of free sprinkling water.

3 is a cross-sectional explanatory diagram of important parts in the form of cone-shaped watering.

4 is an explanatory cross-sectional view of an important part in a sprinkling form of a straight main bone.

5 is a cross-sectional explanatory diagram of an important part in the form of a sprinkling water on a jaw.

6 is a cross-sectional explanatory view of important parts in the form of sprinkling on a shower.

7 is an exploded explanatory view of the nozzle head in the spraying line of the present invention.

8 is an exploded view of the inner cylinder.

9 is an explanatory cross-sectional view of an important part of the watering stops.

FIG. 10 is an explanatory cross-sectional view of the water spray nozzle of the second embodiment; FIG.

11 is a cross-sectional explanatory diagram of important parts in the form of free sprinkling.

12 is a cross-sectional explanatory diagram of important portions in the form of cone-shaped watering.

13 is a cross-sectional explanatory diagram of important parts in the form of sprinkling water on a straight rod.

14 is a cross-sectional explanatory diagram of important parts in the state of stopping the watering.

FIG. 15 is an explanatory cross-sectional view of an important part in the form of an annular sprinkling water.

FIG. 16 is a sectional explanatory diagram of an important part showing another form in the state where the watering is stopped.

FIG. 17 is an explanatory cross-sectional view of an important part in the form of a spray of the shape of the Joor.

18 is a cross-sectional explanatory diagram of important parts in the form of sprinkling water on a shower.

19 is an exploded explanatory diagram of the inner cylinder.

20 is a perspective view of a sliding mechanism of the nozzle body.

21 is an explanatory diagram of a flow regulator.

22 is a partially cutaway side explanatory diagram of the outermost cylinder.

FIG. 23 is an explanatory cross-sectional view of the water spray nozzle as the second embodiment; FIG.

24 is a cross-sectional view of important parts in the form of free spraying.

25 is a cross-sectional explanatory diagram of important parts in the form of cone-shaped watering.

FIG. 26 is an explanatory cross-sectional view of an important part in a sprinkling form of a straight rod.

Fig. 27 is a sectional explanatory diagram of important parts of the watering stopped.

FIG. 28 is an explanatory cross-sectional view of an important part in the form of a sprinkling water on Jooro.

Fig. 29 is a sectional explanatory view of important parts in the form of sprinkling water on the shower.

30 is a cross-sectional explanatory view showing the shape of another part in the state where the watering is stopped.

Fig. 31 is a cross-sectional explanatory diagram of important parts in the form of a water spray in the form of ships.

32 is an explanatory view of the water spray plate.

* Explanation of symbols for main parts of the drawings

10: nozzle body 12: intermediate part flow passage

13: perforation 14: first chamber member

15: second chamber member 17: inner cylinder

18: internal distribution path 19: communication path

20: outermost part 22: water spray plate

23: nozzle port 40: nozzle head

41: water flow inlet 44: workmanship

[Industrial use]

This invention relates to a spray nozzle.

[Prior art]

In the conventional water spray nozzles, as disclosed in, for example, Unexamined Patent Application No. 6-26366 and U.S. Patent No. 4,859,98, the two-way flow is divided into independent flow paths. Alternatively, it is possible to open together and to make various watering forms by adjusting the opening degree.

In other words, the outflow water from the gripping container is configured to be sprayed through the perforated hole in the main wall of the nozzle body to be sprayed from the outer periphery of the nozzle body in the form of a shower, and at the same time to convert the flow path from the perforation. When the seal member is slid, the shower flow path is closed, and the straight flow is configured so that the switching straight water is sprayed.

In the above-described configuration, the shower oil and the straight flow passage cover the inner cylinder on the outer side of the nozzle body having perforations in the circumferential wall, and the flow path for straightening or spraying between the nozzle body and the inner cylinder is the outer side of the inner cylinder. To the shower.

In addition, the entire inner cylinder is integrally formed by being fixed to the base and the base of the outer case disposed on the outer periphery thereof.

In addition, the spray nozzles disclosed in Actual Fair No. 5-1319 allow the flow paths to be finely divided so that four or more types of spray patterns can be formed. In other words, the front end of the main flow path of the spray nozzle main body is blocked, and the flow channel and the closed wall from the rear of the closed wall are blocked. On the basis of the flow channel from the former direction, the water channel is further divided into a plurality of flow channels. Four or more types of sprinkling forms are obtained by the advancing adjustment of the position of the flowing hole formed by the main flow path.

[Problems that the invention tries to solve]

In the sprinkling nozzle disclosed in Japanese Unexamined Patent Publication No. 6-26366 or US Pat. No. 4,785,998, sprinkling forms such as showering, straightening, or spraying are performed in accordance with the operation of the inner cylinder. Particularly in the form of spraying free of charge, there is a possibility that the central part becomes cavitation and annular spraying, and if spraying in spray form, the spraying distance may be extremely short, and these defects are eliminated. As a spraying nozzle, it is possible to obtain various spraying forms such as free, cone, straight rod, jauro, ring, and ship. There was no watering nozzle.

In addition, when the tip end of the nozzle body is clogged or damaged, it is difficult to inspect and the damaged parts of the inner cylinder must be changed as a whole, and the fixing process is also performed on the assembly work thereon. This necessity has such a disadvantage that it is complicated, and various forms of watering are possible, while the above-mentioned maintenance defects are pointed out.

Moreover, in the sprinkling nozzle disclosed in Unexamined Patent Application No. 5-1319, the distinction of various flow paths is not clear, the water flow is mixed in the middle, and the clear sprinkling type switching is not surely performed. There are many irregularities formed in the connecting portion of each member during the process, there is a fear that the water does not flow smoothly, there is a risk of disturbance in the anti-static power when spraying.

The present invention is a nozzle that enables the sprinkling of various forms, and the water flows smoothly, and the flow paths flowing in the sprinkling direction are reduced as much as possible by clearly distinguishing the flow paths. It is to solve it.

[Means for solving the problem]

This invention comprises a cylindrical hollow nozzle body in which the base end is in communication with a hose connection part, and the nozzle body closes the tip part and at the same time the nozzle body of the nozzle body. The outer circumferential side has an inner flow path as a water flow space, and the inner cylinder is freely moved in and out. The main wall of the nozzle head is provided with water flow holes communicating with the internal flow path as many times as necessary, and the end of the internal flow path communicates with the nozzle port provided at the tip of the inner cylinder. The inner circumferential surface is formed of a plate surface and a tapered surface, and the gap between the outer circumferential surface of the nozzle head and the nozzle port is closed and adjustable by the advancing and retracting operation of the inner cylinder. In addition, the inner wall of the nozzle body is made to penetrate the inner cylinder with the inner wall of the nozzle, and the openings communicate with the inner channel, and the first and the second chamber members are made on the front and rear outer circumferential sides of the hole so that the eastern member moves forward and backward. The inner circumferential wall of the inner cylinder is crimped, and furthermore, the outer circumferential side of the inner cylinder has an outer passage as a water flow space, and is integrally connected so as to surround the outermost cylinder. The outer flow passage is configured to communicate with the perforation of the nozzle body by advancing and retreating the inner cylinder. In addition, the end of the outer flow passage is to provide a watering nozzle that is in communication with the watering plate formed on the tip of the outermost cylinder portion.

The nozzle body constitutes a cylindrical hollow state in which the base end is in communication with the hose connecting portion, and the nozzle body closes the tip portion, opens a hole in the circumferential wall of the middle portion, and simultaneously forms a nozzle body. The inner chamber surrounds the inner cylinder with the inner flow path as the water flow space, and furthermore, the nozzle body includes the first chamber member and the second chamber installed in the inner cylinder, on the front and rear outer circumferential sides of the perforation. Insert the seal member freely, and insert it freely, and in the direction of the obstruction of the nozzle body, the normal nozzle head to which the tip is clamped in a constricted state is squeezed, and the nozzle head The main wall is provided with the necessary water flow in communication with the inner flow passage, and the end of the inner flow passage communicates with the nozzle hole provided at the tip of the inner cylinder, and the nozzle hole has the inner surface as the plate surface and the tapered surface. At the same time, the nozzle body retreats By the copper, the gap between the outer circumferential surface of the nozzle head and the nozzle port is configured to be closed and adjustable. In addition, the inner cylinder has an inner inner passage having an inner flow path as a water flow space on the outer circumferential side of the nozzle body, and an outer circumferential side of the inner inner cylinder. It consists of an outer inner cylinder which has an intermediate | middle flow path as a water flow space in the direction, and this intermediate | middle flow path is comprised so that it may communicate with the perforation of a nozzle main body by advancing and retracting a nozzle main body, and the end of this intermediate | middle flow path shall be the tip of an outer inner cylinder. It is also characterized by being in communication with the first sprinkler of the sprinkling plate formed in.

Moreover, the outermost flow path is enclosed with the outer flow path as a water flow space on the outer circumferential side of the inner cylinder, and the outer flow path is configured to communicate with the perforation of the nozzle body by advancing and retracting the nozzle body. The terminal of is also characterized in that it is in communication with the second sprinkling hole of the sprinkling plate formed at the tip of the outermost barrel.

In addition, the first sprinkler is composed of sprinkler pores laid out more toward the outer periphery than the center of the sprinkler plate, and the second sprinkler is disposed at the periphery of the sprinkler plate. It can also be characterized by that.

In addition, the first sprayer is arranged in a plurality of symmetrical positions from the center of the spray plate and formed as a linear spray hole configured to form a linear sprayer, while the second sprayer is almost the front of the sprayer plate. It is also a feature to make a large number of sprinkling pores installed in the temple.

In addition, the inner cylinder is divided into a front inner cylinder and a rear end inner cylinder.

In such a configuration, the ribs are provided on the inner circumferential side of the inner cylinder of the front end with a predetermined gap in the circumferential direction to bring the copper rib and the first chamber member into abutment state, and the gap between the ribs is an internal flow path. Furthermore, at the tip opening edge of the rear inner barrel, a recess is formed to fit with the rib of the inner and rear inner cylinders. The spray nozzle has a characteristic of being able to be assembled in one piece.

[Embodiment of the Invention]

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described in detail with reference to drawings.

1 is a cross-sectional view of the water spray nozzle of the present invention, 1 is a gripper, and at the same time the hose connecting portion (2) is installed at the lower end of the gripper (1), the front of the gripper (1) The gripping lever 6 is pivotally provided with the racket 5 interposed therebetween. In the gripping container 1, a slide pipe 3 inserted freely and vertically and an adjustment valve 7 in which the upper end of the pipe abuts are provided. The suspension of the slide pipe 3 is stopped. It is connected with the lever 4 inserted in the middle of the holding lever 6.

Since the projection part 8 is formed in the intermediate part of the slide pipe 3, and the spring 9 is sandwiched between the projection part 8 and the inner lower end of the gripping container 1, the slide pipe (3) always abuts against the adjustment valve 7, and interrupts water inflow.

In addition, the upper end of the holding cylinder 1, the terminal portion of the cylindrical hollow nozzle body 10 is connected in communication with each other, and the variable portion having a water flow inlet gap formed between the adjustment valve 7 at the same end portion. A back portion 11 is provided. Therefore, when water flows in by the hose connection part 2 provided in the lower end of the gripper 1, water passes through the slide pipe 3 in the gripper 1, and is occluded by the adjustment valve 7, When the slide pipe 3 is locked while being lowered against the action of the spring 9 by the operation of the lever 6, the upper end of the slide pipe 3 closed by the adjustment valve 7 is opened, and the nozzle body 10 Water flows into the nozzle body 10 by the flow hole between the variable part 11 installed at the end of the).

The nozzle body 10 closes the tip and at the front of the obstruction portion 10b, the nozzle head 40 is squeezed with the normal nozzle head 40 tightening the tip in a constricted manner. In the circumferential wall, four water inlet holes 41 communicated with the internal flow passage 18 described later.

Referring to the structure of the nozzle head 40 as described above in more detail with reference to FIG. 7, the nozzle head 40 is composed of a normal portion 42 and a narrowing nozzle tip portion 43 formed at the tip of the normal portion 42. In addition, pores 44 are formed at the tip of the nozzle tip 43, and tapered surfaces 45 are formed at the front of the pores 44 in an expanded shape.

In addition, a female screw portion is formed on the inner circumferential surface of the normal portion 42, and is combined with a male screw portion 47 formed on the outer circumferential surface of the closed portion 10b of the nozzle body 10. Furthermore, in the front end surface of the blocking part 10b, the division wall 48 for forming the water flow path which communicates with the water flow hole 41 is radially protruded in the normal part 42, The dividing wall 48 divides and forms a channel in the ordinary part 42, and performs the function of uniformly guiding the inflow water from the plurality of water inlet holes 41 to the pores 44.

Further, at the tip of the dividing wall 48, a projection 49 inserted into the constricted nozzle tip 43 is protruded, and the main surface la sphere is squared on the main surface thereof.刻 設)

Perforations 13 are laid in the middle circumferential wall of the nozzle body 10, and there is a first seal member made of rubber material on the outer circumferential side of the nozzle body at the front and rear positions of the perforations 13 therein. 14 and the 2nd seal member 15 are attached. Moreover, 16 is the 3rd seal member attached to the back part of the nozzle main body 10. As shown in FIG.

On the outer circumferential side surface of the nozzle body 10, the inner cylinder 17 has an inner flow path 18, and is enclosed freely. When the inner cylinder 17 is advanced, the inner flow path 18 is formed between the first half of the nozzle body 10 and the second half of the inner cylinder 17 when it communicates with the through hole 13 of the nozzle body 10. The nozzle head 40 and the nozzle tip which are extended to the nozzle opening 23 and the nozzle body 10 which are openings of the internal flow path 18 with a predetermined gap, that is, the internal flow path 18 interposed therebetween ( It is configured to be waterproof from the gap with 43). At the same time, when the internal flow path 18 is in communication with the through hole 13, as shown in FIG. 4, water flows through the water inlet hole 41 located near the end of the internal flow path 18. It flows into the head 40 and flows between the dividing walls 48 and passes through the spiral groove 50, and is separated from the fine pores 44 at the tip, or narrow widths. I) watering is carried out;

Moreover, the communication path 19 is laid in the rear part of the inner cylinder 17, The outer communication between the outer communication part 19 with the outermost cylinder part 20 which is enclosed in the outer peripheral side of the inner cylinder 17 furthermore. It is communicated with the furnace 21, and it is comprised so that the outermost cylinder part 20 and the inner cylinder 17 may be back-and-forth integrally, On the other hand, the base end circumferential side surface of the outermost cylinder part 20 is carried out. ) Is combined with the male screw 10a provided on the outer peripheral surface of the middle part of the nozzle body 10.

Therefore, when the outermost cylinder part 20 is rotated between the said clasps, the inner cylinder 17 which was integrally integrated will be united with the outermost cylinder part 20, and will slide back and forth, and the outermost cylinder part 20 ) And a sprinkling plate 22 such as a porous plate is provided at the distal end portion of the outer flow passage 21 formed between the inner cylinder 17 and the inner cylinder 17.

In the sprinkling nozzle configured as described above, water introduced from the gripper 1 passes through the through hole 13 of the nozzle body 10, and is primarily flowed by the retracted position of the inner cylinder 17. It is communicated with the furnace 18, and it is made to be waterproof with the nozzle opening 23 in between, as shown in FIG. 2 thru | or FIG. 4 by the relative positional relationship of the nozzle opening 23 and the nozzle head 40. As shown in FIG. Similarly, it is possible to adjust free, cone and rod shapes.

At this time, even from the pores 44 of the nozzle head 40, spraying of thin rods or the like is carried out toward the spraying center, and therefore, during spraying of rods, cones, gratuities, etc. from the nozzle holes 23, In addition, it is possible to include sprinkling such as sebong from the pores 44 in the center thereof, to prevent the central cavitation during free sprinkling, and to attract peripheral sprinkles to increase the flying distance.

The outer circumferential surface of the nozzle port 23 forms a plate surface 23a and a tapered surface 23b, so that the gap between the outer circumferential surface of the nozzle head 40 and the nozzle port 23 is caused by the advancing and retracting operation of the inner cylinder 17. It is configured to enable regulation and closing control.

Secondly, when the inner cylinder 17 is advanced forward by rotating the outermost cylinder portion 20, the first chamber member 14 and the inner circumferential surface of the inner cylinder 17 are sealed, and the second The seal member 15 and the inner circumferential surface of the inner cylinder 17 are not sealed, and the through hole 13 of the nozzle body 10 and the communication path 19 of the inner cylinder 17 communicate with each other, so that the outer flow path By passing through 21, water is waterproofed in the shower as shown in FIGS. 5 and 6.

In addition, the communication area between the communication path 19 and the perforation 13 changes according to the advancement distance of the inner cylinder 17. When the communication area is small, as shown in FIG. In case of large, as shown in Fig. 6, water in the shower is sprinkled.

In addition, as shown in FIG. 9, when the inner cylinder 17 is adjusted to an appropriate position and the outer peripheral surface of the rear end inner cylinder 17b, the 1st chamber member 14, and the 2nd chamber member 15 are sealed, In this case, the perforation 13 is completely colored so that the spraying stops.

As shown in FIG. 8, the inner cylinder 17 is divided into two parts back and forth, and the shear inner cylinder 17a is freed when it is removed, and when the cover forming the sprinkling plate 22 at the tip of the outermost cylinder portion 20 is removed. It is possible to remove the shear inner cylinder 17a.

If an accident such as clogging or breakage occurs in the nozzle head 40 of the water spray nozzle, the water spray plate 22 is removed, and then the shear inner cylinder 17a of the inner cylinder 17 is removed, and the nozzle head is removed. The predetermined maintenance can be performed by exposing the 40.

The shear inner cylinder 17a is mainly comprised so that the outer periphery side surface of the nozzle main body 10 can be enclosed, and the front end is inserted into the small nozzle opening 23, and the said nozzle opening 23 is carried out. The nozzle head 40 of the nozzle body 10 is inserted into the slide freely.

As shown in FIG. 1, a predetermined clearance gap, that is, an internal flow path 18, is formed between all of the nozzle bodies 10 and the shear inner cylinder 17a.

That is, the inner circumferential surface of the shear inner cylinder 17a is formed by arranging a large number of ribs 25 of the world with a predetermined gap, and a long life upper mouth because of the water flow between the ribs 25 and the ribs 25. V) is formed, and therefore, even if the first seal member 14 abuts against the inner circumferential surface of the rib 25 of the shear inner cylinder 17a, between the first seal member 14 and each rib 25. The gap between the long water outlet and the water outlet is formed so as to allow water to flow, and the gap constitutes the internal flow path 18. That is, even if the first chamber member 14 is in the compressed state with the inner surface of the rib 25, the water is waterproofed through the gap between the ribs 25.

In addition, by providing the rib 25, the frictional resistance with the first chamber member 14 is reduced, so that it is possible to smoothly slide with the chamber member provided on the outer circumferential side of the nozzle body 10, Abrasion, peeling, etc. of the said seal member can be prevented.

As shown in FIG. 8, the front end opening edge of the rear inner cylinder 17b is configured to be in close contact with the inner circumferential side of the front inner cylinder 17a, and the front end opening 17a is connected to the front end opening 17a. The rib 25 provided and the recessed part 27 which fits are formed.

In addition, at the intermediate portion of the rear end inner cylinder 17b, a communication passage 19 communicating with the through hole 13 of the nozzle body 10 and communicating with the external passage 21 is provided, and the outer periphery of the communication passage 19 is provided. A ridge is protruded from the side surface, and the ridge is connected to the inner circumferential side surface of the outermost portion 20 and is configured to slide constantly.

Moreover, as shown in FIG. 8, the swelling sliding part 29 is formed in the whole inner peripheral surface of the rear end inner cylinder 17b, and the sliding part 29 is made of the nozzle main body 10. In FIG. The 1st chamber member 14 and the 2nd chamber member 15 are crimped-bonded, and the internal flow path 18 and the external flow path 21 are switched.

Moreover, the outer peripheral surface of the protrusion piece 28 formed by each recessed part 23 of the tip opening part forms an inclined surface over the tip opening edge, and such an inclined surface along the tip direction gradually increases. It is a gradient of an extension image.

This is because, when the first chamber member 14 and the second chamber member 15 of the nozzle body 10 and the inner circumferential side surface of the inner cylinder 17 slide, the actual surface of the nozzle body 10 smoothly runs backward. It is formed in the inside of 17b so that entry and retraction is easy.

On it. The surface extending from the sliding portion 29 of the inner circumferential surface of the rear end inner cylinder 17b to the communication path 19 also has a gradient surface, and such a gradient surface gradually extends toward the communication path 19 as a gradient. Like the inclined surface, the nozzle body 10 contributes to the smooth retraction operation and smooth type change.

10 to 22 show the water spray nozzles as the second embodiment,

10 to 18, the tip portion of the water spray nozzle is a view showing the section I-I of FIG.

FIG. 10 is a cross-sectional view of the water spray nozzle as the second embodiment, and at the same time as installing the hose connecting portion 2 at the lower end of the gripping container 1 as in the above embodiment, the nozzle body 10 at the upper end of the gripping container 1. By connecting the terminal portions of the < RTI ID = 0.0 >), < / RTI > rotation of the grip lever 6 provided on the front surface of the gripper 1 allows water to flow into the nozzle body 10. FIG.

In addition, the nozzle main body 10 closes the tip as in the above-described embodiment, and at the same time, a hole 13 is formed in the circumferential wall of the middle portion, and the nozzle head (shown in FIG. 10 in front of the blocking portion 10b) is shown in FIG. 40 is described, and the first chamber member 14 and the second chamber member 15 are attached to the front and rear positions of the perforation 13.

A nozzle body sliding mechanism 51 and a flow rate regulating mechanism 52 are established between the upper end of the holding cylinder 1 and the end of the nozzle body 10.

As shown in FIG. 10 and FIG. 20, the nozzle body sliding mechanism 51 attaches the base end of the cylindrical center cylinder 54 to the base end of the cylindrical fixed cylinder 53 coaxially. Four guides are attached to the base of the concentric barrel 54 with the ends of the cylindrical rotating cylinder 55 rotated freely and spaced in the circumferential direction on the circumferential wall of the rotating cylinder 55. A 55a is formed along the axis of the rotation cylinder 55, and the male thread part 10c formed in the base end of the nozzle main body 10 in the guide port 55a is lubricated freely. Further, the male screw 10a on the inner circumferential surface of the fixing cylinder 53 is joined to the male screw 10d on the upper surface of the male screw portion 10c. Therefore, the central cylinder 54 is accommodated in the nozzle body 10 in a progressive manner.

In addition, the engagement frame 55b protrudes in the front-end | tip of the rotation cylinder 55, and the inside of the engagement frame 55d forms four engagement recessed parts connected to the guide port 55a. On the other hand, as shown in FIG. 22, four engagement pieces 20a are formed in the base end inner peripheral surface of the outermost cylinder part 20 at intervals in the circumferential direction, and each engagement piece 20a is formed. ) Is engaged with the distal end of the rotating cylinder 55 to the proximal end of the outermost cylinder 20 by engaging the engaging recess of the engaging frame 55b.

Then, the rotating cylinder 55 rotates in conjunction with the rotating operation of the outermost cylindrical portion 20, and the nozzle body 10 is guided to the guide port 55a of the rotating cylinder 55 to move forward and backward. I'm going to move.

In the outer circumferential side of the nozzle body 10, as shown in FIG. 10, the inner cylinder 17 is surrounded by the inner flow passage 18 and the intermediate portion flow passage 12, and the outer circumferential side of the inner cylinder 17 is surrounded by the nozzle body 10. The outermost cylinder part 20 is surrounded by the outer flow path 21, and, in addition, the sprinkling plate 22 is provided in the front end opening part of the inner cylinder 17 and the outermost cylinder part 20. The nozzle body 10 is moved forward and backward within the inner cylinder 17 by the nozzle body sliding mechanism 51.

As shown in FIG. 10 and FIG. 19, the inner cylinder 17 is mainly divided into two parts, The rear inner cylinder 17b is inserted in the inside of the front inner cylinder 17a, and the rear end inner cylinder 17b is located in it. The front rear inner cylinder 17c and the rear rear inner cylinder 17d are divided.

And clogging of the nozzle head 40 of such a spray nozzle. In the event of an accident such as breakage, after the watering plate 22 is removed, the inner cylinder 17 is removed to expose the nozzle head 40 so that predetermined maintenance can be performed.

The inner shear cylinder 17a is enclosed in the outer circumferential side of the front part of the nozzle body 10 so as to surround the inner inner cylinder 17e having the inner flow path 18 and the outer circumferential side of the inner inner cylinder 17e. The outer inner cylinder 17f which has the furnace 12 is comprised.

The inner layer inner cylinder 17e is mainly configured to surround the outer circumferential side of the first half of the nozzle body 10, and its tip is narrowly inserted into the small nozzle opening 23, and the nozzle body in the nozzle opening 23 is provided. The nozzle head 40 of (10) slides in freely.

Between the inner inner cylinder 17e and the first half of the nozzle body 10, a constant gap, that is, an inner flow passage 18, is formed as shown in FIG. That is, on the inner circumferential surface of the inner inner cylinder 17e, a plurality of ribs of the world are formed in parallel in order to maintain a constant gap, and the ribs 25 and the ribs 25 are used for water flow. Jangsusanggu (長 手 형성) is formed. Therefore, even if the first chamber member 14 abuts against the inner circumferential surface of the rib 25 of the inner inner cylinder 17e, water is retained between the first chamber member 14 and the long water outlet between the ribs 25. A gap that can be distributed is formed, and this gap constitutes the internal flow path 18. That is, even if the 1st seal member 14 is in the crimped state with the inner surface of the rib part 25, water will be waterproofed through the clearance gap between the ribs 25.

In addition, by providing the rib 25, the frictional resistance with the first chamber member 14 is reduced, and the sliding member smoothly slides with the sealing member provided on the outer circumferential side of the nozzle body 10. To prevent wear and peeling.

On the outer circumference of the inner inner cylinder 17e, a space serving as a part of the intermediate side flow passage 12 is provided and the outer inner cylinder 17f is disposed. And the base end of 17 f of outer inner cylinders is laid in the outer periphery of the inner inner cylinder 17e gradually becoming a stenosis.

There, the hollow communication wall 17h is spoken to 17 g of inclined rear walls of the outer inner cylinder 17f. In addition, the hollow end opening of the hollow communication wall 17h communicates with the space between the inner inner cylinder 17e and the outer inner cylinder 17f, and at the same time, the hollow hollow communication wall 17h. The hollow opening end portion of the tube communicates with the communication path 19a formed on the circumferential wall of the inner inner cylinder 17e.

Therefore, the intermediate part flow path 12 is formed by the hollow part of the communication path 19a, the hollow communication wall 17h, and the outer peripheral space of the inner inner cylinder 17e.

As shown in FIG. 10 and FIG. 19, the front rear end inner cylinder 17c is comprised so that the front end opening may be in close contact with the inner peripheral side of the front end inner cylinder 17a, and the inner inner cylinder is connected to the front end opening edge. The recessed part 27 is formed so that the rib 25 attached to the inner peripheral side surface of 17e may be attached.

In addition, the intermediate portion of the front rear end inner cylinder 17c communicates with the through hole 13 of the nozzle body 10 and communicates with the communication passage 19b of the inner inner cylinder 17e to the outer flow passage 21. A communicating passage 56b is provided, and a swelling sliding portion 57b is formed on the inner circumferential side surface between the tip opening portion and the communicating passage 56b, and the sliding portion 57b. Is switched between the inner flow path 18 and the outer flow path 21 by pressing and separating the first chamber member 14 and the second chamber member 15 of the nozzle body 10. will be.

In addition, an inclined surface is formed on the inner circumferential surface of the protruding piece 28 formed at each recess 27 of the tip opening edge, which has a gradient of an enlarged phase gradually toward the tip direction. When the first chamber member 14 and the second chamber member 15 of 10 slide with the inner circumferential side surface of the inner cylinder 17, the actual surface of the nozzle body 10 smoothly inside the front rear end inner cylinder 17c. It is easy to enter and retreat.

In addition, an inclined surface having a gradient gradually expanding toward the communication path 56b is also formed on the surface extending from the inner circumferential surface sliding portion 57b of the front rear end inner cylinder 17c to the communication path 56b. The nozzle main body 10 contributes to the smooth ingress and the smooth flow of the nozzle body 10.

As shown in FIG. 10 and FIG. 19, the rear rear end inner cylinder 17d is comprised so that the front end opening part may be in close contact with the inner peripheral side surface of the front rear inner cylinder 17c. In addition, the rear trailing inner cylinder 17d, like the front trailing inner cylinder 17c, has a recess that fits with the rib 25 provided on the inner circumferential side of the front trailing inner cylinder 17c at the same front end opening. Forming. Moreover, the communication path 56a is constructed in the intermediate part of the rear rear end inner cylinder 17d, and the communication path 56a communicates with the perforation 13 of the nozzle body 10, and at the same time, It communicates with the communication path 19a and leads to the intermediate | middle part flow path 12. As shown in FIG. In addition, a swelling sliding portion 57a is formed on the inner circumferential side surface between the tip opening portion and the communication path 56a, and the sliding portion 57a is the first chamber member of the nozzle body 10 ( 14) and the second chamber member 15 are pressed and separated, so that the intermediate flow passage 12 and the external flow passage 21 are switched.

Moreover, the inclined surface which has a gradient gradually expanding toward the communication path 56a is formed also in the surface from the sliding part 57a of the inner peripheral surface of the rear rear end inner cylinder 17d toward the communication path 56a, and as mentioned above, 10) to contribute to the smooth ingress and smooth flow change.

The sprinkling plate 22 communicates with a nozzle port 23 formed at the distal end of the inner inner cylinder 17e at the center of the disc-shaped porous plate radially laid a plurality of sprinkling holes toward the outer periphery of the center. While forming a communication hole 22a, the outer periphery of the periphery of the perforated plate is formed radially, and the communication hole 22a communicates with the internal flow path 18, and the first water sprayer The sprinkling hole as 22b communicates with the intermediate | middle floating flow path 12, and the outer periphery hole as the 2nd sprinkling hole 22c is communicating with the external flow path 21. As shown in FIG.

As shown in FIG. 10, the flow regulating mechanism 52 has a flow regulating cylinder between the upper end of the holding cylinder 1 and the central cylinder 54 constituting the nozzle body sliding mechanism 51. 58) is rotatably opened, the flow adjusting knob 59 is attached to the rear end of the flow adjusting cylinder 58, and the circumferential direction of the circumferential wall of the flow adjusting cylinder 58 is shown in FIG. The flow rate adjusting hole 58a is gradually enlarged, and the communication area between the gripping cylinder 1 and the nozzle body 10 is changed freely by the rotational operation of the flow rate adjusting knob 59. The flow rate of water flowing into the nozzle body 10 from the gripper 1 can be adjusted.

In the above configuration, water is introduced into the nozzle body 10 from the faucet, and the nozzle body 10 is moved back and forth by rotating the outermost cylinder portion 20 so as to spray water in the form described below. Lose.

That is, as shown in FIG. 11, when the outer circumferential surface of the nozzle head 40 is abutted on the inner circumferential surface of the nozzle port 23 and the end of the inner flow path 18 is closed, the water flows from the through hole 13 to the inner flow path 18. ) Is inserted into the water inlet hole 41, and free watering, including a straight phase, is made from the tip of the nozzle head 40.

Subsequently, when the nozzle body 10 is slightly retracted, as shown in FIG. 12, a gap is formed between the nozzle port 23 and the nozzle head 40, and the end of the internal flow path 18 is slightly opened. Thus, free watering, including straight watering from the tip of the nozzle head 40, is performed.

On the other hand, at this time, since the waterproof in the straight from the tip of the nozzle head 40 is included in the center of the free spray water, go out to a long distance, and also prevent the cavitation during the spraying.

Then, the nozzle body 10 is further retracted, and as shown in FIG. 13, when the plate surface 23a of the nozzle port 23 comes to a position relative to the tip outer periphery of the nozzle head 40, the gap is provided. From the straight water spray is made.

Further, when the nozzle body 10 is retracted, as shown in FIG. 14, the perforation 13 of the nozzle body 10 is completely blocked on the outer circumferential surface of the front end inner cylinder 17c, and watering stops.

Further, when the nozzle body 10 is retracted, as shown in FIG. 15, the through hole 13 of the nozzle body 10 communicates with the external flow path 21 with the communication path 19b interposed therebetween. Fantasy watering is performed from the second watering hole 22c (outer hole) of 22).

When the nozzle body 10 is retracted, as shown in FIG. 16, the perforation 13 of the nozzle body 10 is completely blocked by the outer circumferential surface of the rear trailing inner cylinder 17d, and watering is stopped again.

Further, when the nozzle body 10 is retracted, as shown in FIG. 17, the nozzle body 10 communicates with the intermediate part passage 12 through the communication passage 19a in the through hole 13 of the nozzle body 10, thereby communicating with the intermediate body passage 12. When the gap is small, the water spray on the jaw is formed from the first water spray hole 22b (water spray hole) of the water spray plate 22.

Further, while retracting the nozzle body 10 and increasing the communication gap between the through hole 13 and the intermediate part flow passage 12 as shown in FIG. 18, the first sprinkling hole 22b of the sprinkling plate 22 is enlarged. Shower water is sprayed from

Moreover, even if the nozzle body 10 which was made backward is advanced suitably, each said watering form can be selected.

23 to 32 show the water spray nozzles as the third embodiment, and in FIGS. 23 to 31, the tip portion of the water spray nozzle shows the II-II cross section of FIG.

FIG. 23 is a cross-sectional view of the water spray nozzle as the third embodiment, which is configured as in the second embodiment. In this embodiment, the shape of the water spray plate 22 attached to the tip of the water spray nozzle is different. The watering of the form different from the second embodiment can be carried out. In this embodiment, the flow rate adjusting mechanism 52 is not provided.

That is, in the present embodiment, as shown in FIG. 32, the spraying plate 22 is used, and the spraying plate 22 is located at the center of the disc-shaped porous plate in which a large number of watering holes are laid on the entire surface. The elongated water head of which the communication hole 22a which communicates with the nozzle hole 23 formed in the front end of the inner inner cylinder 17e was inclined, and inclined to the symmetrical position centering on the communication hole 22a. There are two linear molten irons.

In addition, the long-length direction center line of both linear holes is comprised so that it may be parallel to each other. The communicating hole 22a communicates with the internal flow path 18, and the linear molten hole as the first sprinkling hole 22b communicates with the intermediate flow channel 12, and the sprinkling hole as the second sprinkling hole 22c. Communicates with the external distribution path (21).

Then, water is introduced into the nozzle body 10 from the faucet, and the nozzle body 10 is moved forward and backward by rotating the outermost cylinder portion 20, so that water spray of the form described below is performed.

That is, as shown in FIG. 24, when the outer circumferential surface of the nozzle head 40 is abutted on the inner circumferential surface of the nozzle port 23 and the end of the inner flow path 18 is closed, the water flows from the through hole 13 into the inner flow path ( 18) flows into the water inlet hole 41, and free watering, including watering straight from the tip of the nozzle head 40, is performed.

Subsequently, when the nozzle body 10 is retracted a little, as shown in FIG. 25, a gap is generated between the nozzle port 23 and the nozzle body 40, and the end of the internal flow path 18 is slightly opened. Because it becomes. Free watering, including straight watering, is performed from the tip of the nozzle head 40.

In addition, at this time, the center of the free spraying water includes a straight waterproof from the tip of the nozzle head 40 to go out to a long distance and prevent cavitation at the time of spraying.

Subsequently, the nozzle body 10 is further retracted, and as shown in FIG. 26, when the plate surface 23a of the nozzle port 23 is located at a position relative to the tip outer periphery of the nozzle head 40, the gap is separated from the gap. Straight rod watering is done.

Further, when the nozzle body 10 is retracted, as shown in FIG. 27, the perforation 13 of the nozzle body 10 is completely blocked by the outer circumferential surface of the front rear end inner cylinder 17c, and watering is stopped.

Furthermore, when the nozzle body 10 is retracted, as shown in FIG. 28, the through hole 13 of the nozzle body 10 communicates with the external flow path 21 with the communication path 19b interposed therebetween. When the communication gap is reduced, the jaw-watering is performed from the first watering hole 22b (watering hole) of the watering plate 22.

Further, when the nozzle body 10 is retracted and the communication gap between the through hole 13 and the external flow passage 21 is increased in FIG. 29, the first water spray port 22b (water spray hole) of the water spray plate 22 is enlarged. Shower sprinkling is performed.

Further, when the nozzle body 10 is retracted, as shown in FIG. 30, the perforation 13 of the nozzle body 10 is completely blocked by the outer circumferential surface of the rear trailing inner cylinder 17b, and watering is stopped again.

Furthermore, when the nozzle body 10 is retracted, as shown in FIG. 31, the perforation 13 of the nozzle body 10 communicates with the intermediate side flow path 12 with the communication path 19a interposed therebetween. From the second watering hole 22c of the watering plate 22, watering of the ships is performed.

Moreover, even if the nozzle body 10 which was retracted was advanced suitably, it is possible to select said each sprinkling form.

[Effects of the Invention]

According to the present invention, the inner circumferential side of the nozzle body is surrounded by an inner cylinder, and an inner passage and an outer passage are formed in the inner and outer circumferential sides of the inner cylinder. It selectively communicates with the internal flow path or the internal flow path, and furthermore, the nozzle head having the water flow hole in the main wall is addressed to the closed end of the nozzle body, and the water flow hole is communicated with the internal flow path in the inner cylinder. It is possible to obtain various watering forms such as cone, free, straight rod, jaw, shower, etc., especially when water is injected into the water inlet from the internal distribution path to the center of the water during the free or cone spraying. Since the central cavity is injected from the tip of the nozzle head in a state of filling, the centralization of the central portion is eliminated, and the water in the straight line is accompanied by the straight water. The flood also brings a growing distance effect.

In addition, the inner circumference of the nozzle body is surrounded by an inner cylinder, and the inner circumference of the nozzle body has an inner inner cylinder having an inner flow path on the outer circumferential side of the nozzle body, and an outer circumferential cylinder having an intermediate side flow path on the outer circumferential side of the inner cylinder. In addition, an outer flow passage is formed on the outer circumferential side of the outer inner cylinder, and the inner flow passage, the intermediate flow passage or the outer flow passage is selectively communicated with the nozzle body by the advancing and retracting operation of the nozzle body. The cone head and the free rod are formed by the nozzle body moving forward and backward by communicating the nozzle head having the water inlet on the circumferential wall at the obstruction tip of the nozzle body and communicating the water inlet with the internal flow path in the inner cylinder. In addition to the various sprinkling forms of the jaws, showers, and showers, it has the effect of obtaining sprinkles such as annular or linear forms.

In addition, since the inner cylinder can be divided into two and the shear inner cylinder can be freely removed, even if the tip of the nozzle body is clogged or damaged, the inner cylinder of the inner cylinder can be removed, and the nozzle head can be exposed to facilitate maintenance. The effectiveness is also improved.

Moreover, since the distinction between the various passages of the inner flow passage and the intermediate flow passage is clearly defined, the nozzles enable the sprinkling of various forms, and the flow of water flowing in the sprinkling direction is reduced as much as possible, so that the smooth spraying can be effected. Have

Claims (7)

A cylindrical hollow nozzle body 10 having a proximal end in communication with the hose connecting portion 2 constitutes a cylindrical hollow nozzle body 10 that closes the tip end portion of the nozzle body 10 and has a water flow space on the outer circumferential side of the nozzle body 10. A normal nozzle head 40 is held so that the inner flow path 18 as a void is held and the inner cylinder 17 is completely receded, and the front end of the nozzle body 10 is squeezed into the constriction portion 10b. ), A water flow inlet 41 connected to the internal flow passage 18 is provided on the circumferential wall of the nozzle head 40 at a required number of times, and the end of the internal flow passage 18 is connected to the inner cylinder. The nozzle port 23 communicates with the nozzle port 23 provided at the tip end of the cylinder 17. The nozzle port 23 forms the inner circumferential surface with the plate surface 23a and the taper surface 23b, and the inner cylinder 17 is moved in and out. The gap between the outer circumferential surface of the nozzle head 40 and the nozzle port 23 is configured to be closed and adjustable, and to the middle wall of the middle portion of the nozzle body 10. Perforations 13 to be communicated with the internal flow path 18 accompanying the advance of the cylinder 17 are laid down, and the first chamber member 14 and the second chamber member 150 on the outer circumferential side of the front and rear holes 13. To install the eastern member (143, 15) is pressed material to the inner circumferential wall surface of the inner cylinder 17, and furthermore, the outer circumferential side of the inner cylinder 17 to maintain the outer flow passage 21 as a water flow space In the state surrounded by the outermost cylinder portion 20, the speaker is integrally constructed, and the outer flow passage 21 is configured to communicate with the through hole 13 of the nozzle body 10 by advancing and retracting the inner cylinder 17. , Spraying nozzle characterized in that the end of the outer flow passage 21 is configured to communicate with the watering plate 22 formed on the tip of the outermost cylinder portion (20). 2. The cylindrical nozzle body 10 according to claim 1, comprising a tubular hollow nozzle body 10 in which the base end communicates with the hose connecting portion 2, and the nozzle body 10 closes the tip end portion, and the perforations 13 are formed in the circumferential wall. Simultaneously with the installation, the inner circumferential side of the nozzle body 10 is held in the inner flow passage 18 as a water flow space, and the inner cylinder 17 is wrapped therein, whereby the nozzle body 10 is inside the inner cylinder 17. Is inserted through the first chamber member 14 and the second chamber member 15 provided on the front and rear outer circumferential sides of the perforation 13 so as to move forward and backward, and the obstruction portion 10b of the nozzle body 10 is advanced. The nozzle head 40 is bulged with a normal nozzle head 40 narrowed at the tip, and a water inlet 41 is provided in the main wall of the nozzle head 40 to communicate with the internal flow path 18. The end of 18 is in communication with the nozzle port 23 provided at the tip of the inner cylinder 17, and the nozzle port 23 forms the inner circumferential surface with the fryer 23a and the tapered surface 23b, By advancing and retracting the main body 10, the gap between the outer circumferential surface of the nozzle head 40 and the nozzle port 23 is configured to be closed and adjustable, and furthermore, the inner cylinder 17 is located on the outer circumferential side of the nozzle body 10. It consists of an inner inner cylinder 17e having an inner flow passage 18 to the water flow space, and an outer inner cylinder 17f having an intermediate side flow passage 12 to the water flow space on the outer circumferential side of the inner inner cylinder 17e. In addition, the intermediate part flow passage 12 is configured to communicate with the through hole 13 of the nozzle body 10 as the nozzle body 10 advances, and the end of the intermediate part flow passage 12 has an outer inner cylinder 17f. Spraying nozzle, characterized in that in communication with the first sprayer (22b) of the sprinkling plate 22 formed at the tip. The outer circumferential side 21 of the inner cylinder 17 has an outer flow passage 21 as a water flow space, surrounds the outermost cylinder portion 20, and the outer flow passage 21 moves forward and backward of the nozzle body 10. It is configured to communicate with the through hole 13 of the nozzle body 10, and further, the end of the outer flow passage 21 is the second watering port of the sprinkling plate 22 formed at the tip of the outermost cylindrical portion (20) A water spray nozzle, which is in communication with (22c). The first watering can (22b) is a water spray hole that is formed in large numbers from the center of the watering plate (22) toward the outer circumferential surface, and the second watering (22c) is the watering plate (22). Spray nozzle, characterized in that excreted at the periphery of the. 4. The first sprayer (22b) according to claim 3, wherein a plurality of first sprayers (22b) are arranged in a symmetrical position from the center of the spray plate (22) to form a linear spray, and a second sprayer ( 22) The spray nozzle, characterized in that a plurality of spray holes protruding on the approximately front surface of the spray plate (22). The water spray nozzle according to any one of claims 1 to 3, wherein the inner cylinder (17) is divided into a front inner cylinder (17a) and a rear end inner cylinder (17b). The inner cylinder 17 is divided into the front inner cylinder 17a and the rear end inner cylinder 17b, and the main direction is a main direction in the inner peripheral side of the front inner cylinder 17a. The ribs 25 provided with a predetermined gap therebetween, and the copper ribs 25 and the first chamber member 14 are in contact with each other, and the gaps between the ribs are internal flow paths 18. Furthermore, a recess 27 is formed at the tip opening edge of the rear inner cylinder 17b to be fitted into the rib 25 of the front and rear inner cylinder 17a, and the rear inner cylinder 17a can be lifted freely. The sprinkling nozzle, characterized in that the rib 25 is inserted into the recessed portion 27 of the rear end inner cylinder 17b so as to be integrally assembled at the time of assembling to 17b.

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