WO1997005958A1 - Buse de tete de projection - Google Patents
Buse de tete de projection Download PDFInfo
- Publication number
- WO1997005958A1 WO1997005958A1 PCT/JP1996/002186 JP9602186W WO9705958A1 WO 1997005958 A1 WO1997005958 A1 WO 1997005958A1 JP 9602186 W JP9602186 W JP 9602186W WO 9705958 A1 WO9705958 A1 WO 9705958A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner cylinder
- nozzle body
- flow passage
- nozzle
- water
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
- B05B1/169—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets having three or more selectively effective outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
- B05B1/1681—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, sliding valve or cock and a lift valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3013—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/308—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element comprising both a lift valve and a deflector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
Definitions
- the present invention relates to a watering nozzle capable of obtaining various watering forms such as a rod shape, a mist shape, a cone shape, a sponge shape, a shower shape, and a ⁇ shape, a fan shape and the like. It is. Background art
- a watering nozzle as disclosed in, for example, Japanese Utility Model Publication No. 6-26366 or U.S. Pat. They are opened together, and various forms of watering can be created by adjusting the degree of opening.
- the effluent from the gripping cylinder is configured to pass through the through-hole formed in the peripheral wall of the nozzle body and to be sprayed from the outer periphery of the nozzle body in a shower form.
- the seal member for converting the flow path from the through hole is slid, the shear flow path is closed and switched to a straight flow path, so that a straight-form watering can be performed. I have.
- the shear flow path and the straight flow path cover the inside of the nozzle body having a through hole in the peripheral wall so as to provide a straight line between the nozzle body and the cylinder.
- a flow path for spraying and the outside of the inner cylinder is used as a shower flow path.
- the entire inner cylinder is integrally formed with the base end of the outer case disposed on the outer periphery thereof in a fixed state.
- the watering nozzle disclosed in Japanese Utility Model Publication No. 5-1319 is designed so that four or more watering modes can be created by finely dividing the flow channel.
- the tip of the main channel of the watering nozzle body is closed, and based on the flow channel from the back of the block wall and the flow channel from the front of the block wall, each flow channel is further divided into a plurality of sections.
- the sprinkling nozzles disclosed in Japanese Utility Model Publication No. 6-26366 and U.S. Pat.No. 4,785,998 allow watering forms such as sharp, straight, and mist-like to be performed by moving the cylinder forward and backward.
- the central part will be hollowed out, resulting in ⁇ -shaped watering. If the water is sprayed, the watering distance will be extremely short.
- a single watering nozzle can be used to obtain a wide variety of watering forms, such as mist, cone, straight rod, spit, shower, ring, fan, etc. No watering nozzles were used.
- the tip of the nozzle body becomes clogged or damaged, it is difficult to inspect and the damaged part of the inner cylinder must be replaced as a whole. Further, the assembling work also has a drawback that the number of fixing steps increases and the time becomes complicated, and although various forms of watering are possible, it has been pointed out that such maintenance is inadequate.
- the watering nozzle is capable of watering in various forms, the flow of the water is smooth, and the partitions of each flow path are clearly configured, so that the water flow load flowing in the watering direction can be reduced as much as possible. To eliminate the above disadvantages.
- the present invention constitutes a ⁇ -shaped hollow nozzle body having a base end communicating with a hose connecting portion, the nozzle body closing a tip end portion, and a water flow space and
- the inner flow passage is held so as to surround the cylinder so that it can advance and retreat, and at the end of the closed portion of the nozzle body, a cylindrical enlarged end with a narrowed tip protrudes.
- a required number of water inlet holes communicating with the internal flow passage are provided on the peripheral wall of the enlarged portion at the tip, the end of the internal flow passage is connected to the nozzle opening provided at the tip of the inner cylinder, and the nozzle opening is the inner peripheral surface Are formed on the flat surface and the taper surface, and the distance between the outer peripheral surface of the enlarged tip and the nozzle opening can be adjusted by closing and closing the inner cylinder by moving the inner cylinder forward and backward.
- a perforated hole to be communicated with the internal flow passage as the inner cylinder advances and retreats A first seal member and a second seal member are provided on the front and rear outer peripheral surfaces, and these members can be pressed against the inner peripheral wall surface of the movable inner cylinder, and a water flow space is provided on the outer peripheral side of the cylinder. All the outer flow passages are held together, and the outermost cylindrical portion is circulated, and they are integrally connected.
- the outer flow passage is configured to communicate with the through-hole of the nozzle body by moving the inner cylinder forward and backward.
- the end of the outer flow passage is to provide a watering nozzle formed by communicating with a watering plate formed at the end of the outermost cylindrical portion.
- a cylindrical hollow nozzle body having a base end communicating with a hose connecting portion is formed.
- the nozzle body has a closed distal end portion, a through hole is formed in a peripheral wall of the middle portion, and the nozzle body has a nozzle.
- On the outer peripheral side of the main body an inner flow passage as a water flow space is held to surround the inner cylinder, and further, the nozzle main body is provided on the inner inner part, and on the front and rear outer peripheral side faces of the through hole.
- a required number of water inflow holes communicating with the internal flow passages are provided on the peripheral wall of the widened end of the cylinder, and the end of the internal flow passage communicates with the nozzle port provided at the tip of the cylinder.
- the nozzle opening has an inner peripheral surface formed as a flat surface and a tapered surface.
- the nozzle body includes an advancing and retracting operation to close the gap between the tip outer peripheral surface of the enlarged tip and the nozzle opening.
- the inner cylinder has an inner flow passage on the outer peripheral side of the nozzle body as a water flow space, and a water flow space on the outer peripheral side of the inner cylinder.
- the middle part flow passage is constructed to communicate with the through hole of the nozzle body as the nozzle body moves forward and backward, and the middle part flow path is terminated. Is also characterized in that it communicates with the first water spout of the sprinkler plate formed at the tip of the outer side.
- an outer flow path as a water flow space is held on the outer peripheral side of the inner cylinder to surround the outermost cylindrical portion, and the outer flow path communicates with the through-hole of the nozzle body by advancing and retracting the nozzle body. It is also characterized in that the end of the outer flow passage is communicated with the second water spout of the water sprinkler plate formed at the tip of the outermost portion.
- the first sprinkler port is formed by a number of sprinkler holes drilled from the center of the sprinkler plate toward the outer periphery, and the second sprinkler port is arranged at the periphery of the sprinkler plate. Also have features.
- the first sprinkler port is located at a symmetrical position from the center of the sprinkler plate, and is formed as a fan-shaped hole that forms a fan-shaped sprinkler. Another characteristic is that many sprinkling holes are formed on the entire surface.
- Another characteristic is that the inner cylinder is divided into a first stage and a second stage.
- a constant gap is provided in the circumferential direction on the inner peripheral side surface of the first stage cylinder.
- the ribs are provided so as to protrude, the ribs are brought into contact with the first seal member, the gap between the ribs is used as an internal flow passage, and furthermore, the front end opening portion of the rear inner cylinder has A recess is formed to fit the rib of the cylinder, and the rib is fitted into the recess of the rear inner cylinder when the front inner cylinder is detachably assembled to the rear inner cylinder. It has special features on watering nozzles. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram showing a cross section of a watering nozzle according to the present invention
- FIG. 2 is a diagram showing a cross section of a main part in a mist watering mode
- FIG. 3 is a cone-shaped watering nozzle.
- FIG. 4 is a diagram showing a cross section of a main part in a straight rod-shaped watering form
- FIG. 5 is a view showing a cross section of a main part in a straight watering form.
- FIG. 6 is a view showing a cross section of a main part in a shower-like watering state
- FIG. 7 is a perspective view of an exploded tip enlarged part.
- Fig. 8 is a perspective view of the inner lining, Fig.
- FIG. 9 is a diagram showing a cross section of the main part in the down state where watering is stopped
- Fig. 10 is a second embodiment.
- Fig. 11 is a view showing a cross section of a main part in a mist-like watering form
- Fig. 12 is a view showing a main part in a corn-like watering form.
- FIG. 13 is a view showing a cross section of a main part in a straight rod-like watering form
- FIG. 14 is a view showing a cross section of a main part in a state where watering is stopped;
- FIG. 15 is a diagram showing a cross section of a main part in an annular watering form
- FIG. 15 is a diagram showing a cross section of a main part in an annular watering form
- FIG. 16 is a diagram showing a cross section of a main part showing another form in a state where watering is stopped
- FIG. FIG. 18 is a diagram showing a cross section of a main part in a sprinkling watering form
- FIG. 18 is a diagram showing a cross section of a main part in a shower-like watering form
- FIG. FIG. 20 is an exploded perspective view of the cylinder
- FIG. 20 is a perspective view of a nozzle body sliding mechanism
- FIG. 21 is a perspective view of a flow rate adjustment cylinder
- FIG. FIG. 23 is a partially cutaway side view
- FIG. It is a figure which shows the cross section of the watering nozzle as an Example
- FIG. 24 is a figure which shows the cross section of the principal part in the mist-like watering form
- FIG. 25 is the cone-shaped watering form.
- FIG. 26 is a diagram showing a cross section of a main part in a straight rod-like watering form
- FIG. 27 is a cross section of a main part in a state where watering is stopped.
- FIG. 28 is a view showing a cross section of a main part in a sprinkled watering form
- FIG. 29 is a view showing a cross section of a main part in a shower-shaped watering form.
- FIG. 30 is a view showing a cross section of a main part showing another mode in a state where watering is stopped
- FIG. 31 is a view showing a cross section of a main part in a fan-shaped watering form.
- the figure shows a sprinkler plate.
- FIG. 1 is a cross-sectional view of a watering nozzle of the present invention, wherein 1 is a holding cylinder, a hose connecting portion 2 is provided at the lower end of the holding cylinder 1, and a bracket 5 is provided on a front surface of the holding cylinder 1 through a bracket 5.
- the grip lever 6 is provided so as to be movable on the surface.
- grip 1 there is provided a slide pipe 3 inserted vertically slidably and an adjustment valve ⁇ ⁇ in contact with the upper end of the same pipe. are doing.
- a projection 8 is formed in the middle of the slide pipe 3, and a spring 9 is interposed between the projection 8 and the lower end of the inside of the holding cylinder 1, so that the slide pipe 3 is connected to the regulating valve 7.
- the contact is always energized to block water inflow.
- the upper end of the gripping cylinder 1 is connected to the terminal end of a cylindrical hollow nozzle body 10 in communication therewith, and a valve having a water inflow gap formed with the regulating valve 7 at the terminal end.
- a receiving section 11 is provided. Therefore, if water flows in through the hose connecting part 2 provided at the lower end of the gripping cylinder 1, the water passes through the slide pipe 3 in the gripping cylinder 1 and is blocked by the adjustment valve 7, and the operation of the gripping lever 6 By When the ride pipe 3 is lowered against the bias of the spring 9, the upper end of the slide pipe 3 closed by the control valve 7 is opened, and the valve receiver 11 provided at the end of the nozzle body 10 is opened. In this way, the water flowing through the hole can flow into the nozzle body 10.
- the tip of the nozzle body 10 is closed, and at the front of the closed portion 10b, a cylindrical tip enlarged portion 40 whose tip is narrowed down to a stenosis is screwed, and the peripheral wall of the tip enlarged portion 40 has: There are four water inlet holes 41 communicating with the internal flow passage 18 described later.
- the structure of the enlarged tip portion 40 will be described in more detail with reference to FIG. 7.
- the enlarged tip portion 40 is composed of a cylindrical portion 42 and a narrowed nozzle tip 43 formed at the tip of the tubular portion 42.
- a pore 44 is formed at the tip of the part 43, and an expanded tapered surface 45 is formed ahead of the pore 44.
- a female screw portion is formed on the inner peripheral surface of the cylindrical portion 42, and is screwed with a male screw portion 47 formed on the outer peripheral surface of the closing portion 10 b of the nozzle body 10.
- a partition wall 48 for forming a water flow passage communicating with the water inflow hole 41 is radially protruded from the front end face of the closing portion 10b by a cylindrical portion 42 ⁇ .
- a water channel is formed in the cylindrical portion 42 and functions to uniformly guide the inflow water from the multiple water inflow holes 41 to the fine holes 44.
- a projecting body 49 inserted into the tip 43 of the stenosis-like nozzle projects from the tip of the partition wall 48, and a peripheral spiral groove 50 is formed on the peripheral surface thereof. .
- a through hole 13 is formed in the middle peripheral wall of the nozzle body 10, and a first seal member 14 and a second seal member 15 made of rubber material are provided on the outer peripheral side surface of the nozzle body at positions before and after the through hole 13. Is installed.
- Reference numeral 16 denotes a third seal member attached to the rear of the nozzle body 10.
- a cylinder 17 holds an internal flow passage 18 and advances. It is removably surrounded.
- the inner cylinder 17 When the inner cylinder 17 is advanced, when the inner flow passage 18 communicates with the through-hole 13 of the nozzle body 10, the gap formed between the front half of the nozzle body 10 and the front half of the inner cylinder 17, Water is discharged from the gap between the nozzle 23, which is the opening of the internal passage 18, and the nozzle end 43 of the enlarged end 40, which is connected to the end of the nozzle body 10, through the internal flow passage 18.
- the internal flow passage 18 communicates with the through-hole 13, as shown in FIG. 4
- water While passing between the partition walls 48 and passing through the peripheral spiral groove 50, water is sprayed in the form of a narrow rod or a narrow mist from the fine hole 44 at the tip.
- a communication passage 19 is formed in the rear part of the inner cylinder 17, and the communication passage 19 communicates with the outermost ⁇ portion 20, which is further surrounded on the outer peripheral side of the inner cylinder 17.
- the outermost cylindrical portion 20 and the cylindrical tube 17 are configured to slide back and forth integrally, and the base end and the peripheral side surface of the outermost cylindrical portion 20 are the nozzle body 10. It is screwed with the male screw cylinder 10a provided on the outer peripheral surface in the middle of the above.
- a water sprinkling plate 22 such as a perforated plate is provided at a distal end portion of the external flow passage 21 formed between the outermost cylindrical portion 20 and the outer cylinder 17.
- the water flowing from the holding cylinder 1 passes through the through-hole 13 of the nozzle body 10, and is primarily communicated with the internal flow passage 18 at the advancing / retracting position of the nozzle.
- the water is discharged through the nozzle 23, and depending on the relative positional relationship between the nozzle opening 23 and the enlarged tip 40, as shown in FIGS. And rod-shaped adjustment can be performed.
- a thin rod-shaped dispersion 7k is also made from the pores 44 of the enlarged tip portion 40 toward the center of watering, so that a rod-like shape from the nozzle opening 23 is formed.
- the center of the water is sprayed in the form of a thin rod or the like from the pores 44. be able to.
- the inner peripheral surface of the nozzle opening 23 forms a flat surface 23a and a taper surface 23b. Therefore, when the inner cylinder 17 advances and retreats, the outer peripheral surface of the enlarged tip 40 and the outer peripheral surface of the nozzle 23 And the closing adjustment.
- the first seal member 14 and the inner peripheral surface of the inner cylinder 17 are in a sealed state.
- the second seal member 15 and the inner peripheral surface of the inner cylinder 17 are not sealed, and the through-hole 13 of the nozzle body 10 and the communication passage 19 of the inner cylinder 17 communicate with each other to form the external circulation passage 21.
- the water is discharged in the form of a shower.
- the communication surface between the communication passage 19 and the through hole 13 changes according to the forward distance of the inner cylinder 17, and when the communication area is small, sprinkling water is formed as shown in Fig. 5. If it is large, shower-like watering will be performed as shown in Fig. 6.
- the inner cylinder ⁇ is divided into two parts in the front and rear as shown in FIG. 8, and the front inner cylinder 17a is detachable and has a cover forming the water sprinkling plate 22 at the tip of the outermost cylindrical part 20. Remove and remove front inner cylinder 17a.
- the front inner cylinder 17a is mainly configured to surround the front outer peripheral side surface of the nozzle body 10, and its tip is squeezed into a small nozzle 23, and the nozzle body 10 is inserted into the nozzle opening 23. In other words, the enlarged end portion 40 of the diaper is slidably inserted.
- a certain gap that is, an internal flow passage 18 is formed between the front part of the nozzle body 10 and the front inner cylinder 17a. That is, a large number of narrow ribs 25 are formed in parallel on the inner peripheral surface of the inner cylinder 17a of the former stage while maintaining a constant gap, and a hand-like shape for water flow is formed between the ribs 25 and the ribs 25. Since the groove is formed, even if the first seal member 14 comes into contact with the outer circumferential surface of the rib 25 of the front cylinder 17a, the hand-shaped groove between the first seal member 14 and each rib 25 is formed. A gap is formed between these and that water can flow, and this gap constitutes the internal flow passage 18.
- the front opening 17a of the rear inner cylinder 17b is configured so as to be fitted into and adhered to the inner peripheral side surface of the front inner cylinder 17a.
- a recess 27 is formed to be fitted with the rib 25 provided on the base.
- a communication passage 19 communicating with the through-hole 13 of the nozzle body 10 and communicating with the external flow passage 21 is provided in a middle portion of the rear inner cylinder 17b, and a flange portion is provided on an outer peripheral side surface of the communication passage 19. The flange portion is connected to the inner peripheral side surface of the outermost cylindrical portion 20 and is configured to slide constantly.
- a swelling sliding portion 29 is formed on the front inner peripheral surface of the rear inner cylinder 17b, and the sliding portion 29 is provided with the first seal member 14 of the nozzle body 10 and the first sealing member 14 of the nozzle body 10.
- the second seal member 15 is pressed and slid to switch between the internal flow passage 18 and the external flow passage 21.
- the inner peripheral surface of the protruding piece 28 formed by each edge 27 of the distal opening edge forms an inclined surface over the distal opening edge, and the inclined surface faces in the distal direction. Therefore, the slope gradually expands.
- the surface from the sliding portion 29 on the inner peripheral surface of the rear inner cylinder 17b to the communication passage 19 also has a gradient surface, and such a gradient surface has a gradually expanding gradient toward the communication passage 19,
- the nozzle body 10 contributes to a smooth approaching and retreating operation of the nozzle body 10 and a smooth change in the flow rate.
- FIGS. 10 to 22 show watering nozzles according to the second embodiment.
- the tip of the watering nozzle shows a cross section taken along line II of FIG. 19.
- FIG. 10 is a cross-sectional view of a watering nozzle according to the second embodiment.
- a hose connecting portion 2 is provided at a lower end of the holding tube 1 and a nozzle is provided at an upper end of the holding tube 1.
- Water is allowed to flow into the nozzle body 10 by connecting the terminal ends of the body 10 in communication with each other, and by moving the gripping lever 6 provided on the front surface of the gripping cylinder 1 in a plane motion.
- the nozzle body 10 has a closed end and a through-hole 13 formed in the peripheral wall in the middle part, similarly to the above-described embodiment, and a front end enlarged portion shown in FIG.
- a first seal member 14 and a second seal member 15 are mounted in front and rear positions of the through hole 13.
- a nozzle body sliding mechanism 51 and a flow rate adjusting mechanism 52 are interposed between the upper end of the holding cylinder 1 and the end of the nozzle body 10.
- the nozzle body sliding mechanism 51 is configured such that the base end of a cylindrical center tube 54 is coaxially attached to the base end of a cylindrical fixed tube 53, The base end of the ⁇ -shaped surface movement 55 is attached to the end so that it can move freely, and four guide grooves 55a are provided on the peripheral wall of the rotation cylinder 55 at circumferential intervals, A male thread 10c formed at the base end of the nozzle body 10 is slidably and loosely fitted in the guide groove 55a, and a female carved on the inner peripheral surface of the fixed cylinder 53. A male screw 10d on the upper surface of the male screw part 10c is screwed into the screw groove 53a. Therefore, the center ⁇ 54 is housed inside the nozzle body 10 so as to be able to advance and retreat.
- An engagement frame 55b protrudes from the end of the surface moving cylinder 55, and the inside of the engagement frame 55b forms four engagement recesses communicating with the guide grooves 55a, while the outermost cylinder is formed.
- four engagement pieces 20a are formed at intervals in the circumferential direction on the inner peripheral surface of the base end of the portion 20, and each of the engagement pieces 20a is engaged with the engagement frame 55b.
- the distal end of the rotating cylinder 55 is interlockedly connected to the base end of the outermost cylindrical part 20 by engaging the engagement recess.
- the surface movement 55 moves in conjunction with the rotation operation of the outermost ⁇ portion 20, and the nozzle body 10 is guided by the guide grooves 55a of the surface movement cylinder 55 to move forward and backward. I am trying to do it.
- an inner wall 17 is surrounded by holding an internal flow passage 18 and an intermediate flow passage 12, and on the outer peripheral side of the same cylinder 17,
- the outermost cylindrical portion 20 is surrounded by holding the external flow passage 21, and a water sprinkling plate 22 is covered at the end openings of the inner cylinder 17 and the outermost cylindrical portion 20, and the nozzle body 10
- the nozzle body slide mechanism 51 moves forward and backward in the inner cylinder 17 in the front-rear direction.
- the inner tube 17 is mainly divided into two as shown in FIGS. 10 and 19, and the rear inner tube 17b is inserted into the front inner tube 17a, and the rear inner tube 17b is further inserted into the front rear tube. It is divided into a cylinder 17c and a rear rear inner cylinder 17d. If an accident such as blind spots or breakage occurs at the tip 40 of the sprinkling nozzle, the sprinkling plate 22 is removed, the inner wall 17 is removed, and the tip swelling part 40 is exposed and 0 so that it is a child that is responsible for the main antenna Nsu
- the front inner cylinder 17a is bent toward the outer periphery of the front half of the nozzle body 10 and holds the inner flow passage 18; and the inner flow passage 12 surrounded by the outer periphery of the inner inner cylinder 17e. And the outer cylinder 17 f that holds
- the inner inner cylinder 17e is configured so as to mainly surround the outer peripheral side surface of the front half of the nozzle body 10, and the tip thereof is squeezed into a small nozzle 23, and the nozzle body 23 is provided with the nozzle 23.
- the enlarged end portion 40 is slidably passed through.
- a constant gap that is, an internal flow passage 18 is formed between the ⁇ -side inner cylinder 17e and the front half of the nozzle body 10. That is, on the inner peripheral surface of the inner inner inner cylinder 17e, a number of thin ribs 25 are formed in parallel with a constant gap, and a gap between the ribs 25 for the water flow is formed.
- a hand-shaped groove is formed, so that even if the first seal member 14 abuts on the inner peripheral surface of the rib 25 of the inner cylinder 17e, the hand between the first seal member 14 and each rib 25 is formed.
- a gap is formed between the groove and the groove so that water can flow therethrough, and this gap forms the internal flow passage 18. That is, even when the first seal member 14 is in a pressure-contact state with the inner surface of the rib 25, water is discharged through the gap between the ribs 25. Also, by providing the rib 25, the frictional resistance with the first seal member 14 is small, and the slide with the seal member provided on the outer peripheral side surface of the nozzle body 10 is smoothly performed. Thus, abrasion, peeling, and the like of the seal member can be prevented.
- an outer inner cylinder 17f is provided so as to hold a space that becomes a part of the intermediate flow passage 12, and the base end of the outer inner cylinder 17f is gradually narrowed.
- Ffl is provided on the outer circumference of the inner inner side 17e.
- a hollow communication wall 17h is provided continuously with the inclined rear wall 17g of the outer inner cylinder 17f.
- the hollow end opening of the hollow communication wall 17h communicates with the space between the inner inner wall 17e and the outer inner cylinder 17f, and the hollow start end opening of the hollow communication wall 17h is connected to the inner inner cylinder 17e. It communicates with the communication passage 19a formed in the peripheral wall of.
- the intermediate passage 12 is formed by the communication passage 19a, the hollow portion of the hollow communication wall 17h, and the outer peripheral space of the inner inner wall 17e.
- the front rear barrel 17c is configured such that the distal opening ⁇ fits into and adheres to the inner peripheral side surface of the front inner cylinder 17a.
- a 03 portion 27 is formed to be fitted with a rib 25 provided on the inner peripheral side surface of the inner inner side 17e.
- a communication passage 56b communicating with the through hole 13 of the nozzle body 10 and communicating with the communication passage 19b of the inner inner cylinder 17e and communicating with the external flow passage 21 is provided in a middle portion of the front rear inner cylinder 17c.
- a swelling sliding portion 57b is formed on the inner peripheral side surface between the distal end opening ⁇ and the communication passage 56b, and the swelling portion 57b is provided with the first seal member 14 of the nozzle body 10 and
- the internal flow passage 18 and the external flow passage 21 are switched by being pressed and separated from the second seal member 15.
- an inclined surface having a gradually expanding slope toward the distal end is formed on the peripheral surface of the protruding piece 28 formed by each concave portion 27 of the opening edge of the distal end.
- the inclined surface having a gradually expanding slope is formed on the surface from the sliding portion 57b on the inner peripheral surface of the front rear inner cylinder 17c to the communication passage 56b toward the communication passage 56b.
- the nozzle body 10 contributes to a smooth approach and retreat operation and a smooth change in the flow rate.
- the rear rear inner cylinder 17d is configured such that the opening at the distal end is fitted and adhered to the inner peripheral side surface of the front rear lower cylinder 17c.
- the rear rear inner cylinder 17d forms a concave portion that fits with the rib 25 provided on the inner peripheral side surface of the front rear lower cylinder 17c at the front end opening similarly to the front rear inner cylinder 17c.
- a communication passage 56a is formed in the middle of the rear rear inner cylinder 17d.
- the communication passage 56a communicates with the through hole 13 of the nozzle body 10 and also communicates with the communication passage 19a of the ⁇ -side inner cylinder 17e. It leads to the intermediate flow passage 12.
- a swelling sliding portion 57a is formed on the inner peripheral side surface between the end opening ⁇ and the communication passage 56a, and the swelling portion 57a is formed on the first sealing member of the nozzle body 10.
- the intermediate flow passage 12 and the external flow passage 21 are switched by pressing and separating from the second seal member 14 and the second seal member 15.
- an inclined surface having a gradually expanding slope is formed toward the communication passage 56a, as described above. It contributes to the smooth approach and retreat operation of the chisel body 10 and the smooth flow rate change.
- the sprinkler ⁇ 22 communicates with a nozzle 23 formed at the tip of the inner inner cylinder 17e at the center of a disc-shaped perforated plate formed by piercing a large number of sprinkler holes radially from the center to the outer periphery.
- the perforated plate has a radially outer periphery formed around the perimeter of the perforated plate.
- the communication hole 22a communicates with the internal flow passage 18 to spray water as the first water spout 22b.
- the small hole communicates with the intermediate flow passage 12, and the outer peripheral hole serving as the second water spout 22 c communicates with the external flow passage 21.
- the flow rate adjusting mechanism 52 has a flow rate adjusting cylinder 58 interposed between the upper end of the gripping cylinder 1 and a center cylinder 54 constituting the nozzle body sliding mechanism 51 so as to be movable.
- a flow control knob 59 is attached to the rear end of the flow control cylinder 58, and a flow control hole 58a is formed on the peripheral wall of the flow control cylinder 58, which gradually expands in the circumferential direction as shown in FIG. Is formed, and is gripped by rotating the flow rate adjusting knob 59.
- the communication area between the nozzle body 1 and the nozzle body 10 can be freely changed, and the nozzle body 10 from the grip holder 1 can adjust the flow rate of the flowing water.
- water is flowed into the nozzle body 10 from a water tap, and the nozzle body 10 is moved forward and backward by manipulating the outermost ⁇ portion 20 to spray water as described below. I can do it.
- the center of the atomized water sprinkling includes a straight water discharge from the tip of the enormous tip 40 to increase the flight distance and prevent hollowing during water sprinkling.
- the nozzle body 10 is further retracted, and as shown in FIG. 13, when the flat surface 23a of the nozzle opening 23 comes to a position facing the outer periphery of the distal end of the enlarged tip portion 40, the gap is removed from the gap. Is a straight rod-shaped watering.
- the through hole 13 of the nozzle body 10 communicates with the external flow passage 21 through the communication passage 19b, and the second water distribution plate 22 Ring watering is performed from the water outlet 22c (outer peripheral hole).
- the through hole 13 of the nozzle body 10 communicates with the intermediate portion flow path 12 through the communication path 19a, and if the communication gap is reduced, Sprinkle-like watering is performed from the first watering port 22b (watering small hole) of the watering plate 22.
- the nozzle body 10 is retracted and the communication gap between the through hole 13 and the intermediate flow passage 12 is increased as shown in FIG. 18, the first water spout 22b shower watering is performed from the hole).
- FIGS. 23 to 32 are diagrams showing a watering nozzle as the third embodiment.
- the tip of the watering nozzle is a diagram showing a II-II cross section in FIG. ing.
- FIG. 23 is a cross-sectional view of a watering nozzle as the third embodiment, which has the same configuration as that of the second embodiment.
- the shape of the attached watering plate 22 is changed so that watering in a form different from that of the second embodiment can be performed.
- the flow rate adjusting mechanism 52 is not provided.
- the sprinkler plate 22 shown in FIG. 32 is used, and the sprinkler plate 22 is provided at the center of a disc-shaped perforated plate having a large number of small sprinkler holes formed substantially on the entire surface.
- a communication hole 22a communicating with the nozzle opening 23 formed at the tip of the side cylinder 17e is formed, and two narrow hand-shaped fan-shaped holes inclined at symmetrical positions around the communication hole 22a. Has been drilled. The center lines in the narrow hand direction of both fan-shaped holes are configured to be parallel to each other.
- the communication hole 22a communicates with the internal flow passage 18, and the fan-shaped hole serving as the first water spout 22b is formed in the middle.
- the sprinkling hole serving as the second sprinkling port 22c communicates with the intermediary flow passage 12 and the external flow passage 21.
- water is introduced into the nozzle body 10 from a water tap, and the nozzle body 10 is moved forward and backward by operating the outermost cylindrical portion 20 to perform watering in a form described below. .
- mist-like water spraying including straight water spraying from the tip of the tip swelling part 40 is performed.
- the center of the mist sprinkler also includes a straight water discharge from the tip of the enormous tip 40 to increase the flight distance and prevent hollowing during sprinkling.
- the nozzle body 10 is further retracted, and as shown in FIG. 26, when the flat surface 23a of the nozzle opening 23 comes to a position facing the outer periphery of the distal end of the enlarged tip portion 40, the gap is removed from the gap. Watering of straight tribute is performed.
- the through hole 13 of the nozzle body 10 is completely closed by the outer peripheral surface of the front rear inner cylinder 17c, and watering is stopped.
- the through hole 13 of the nozzle body 10 communicates with the external flow passage 21 via the communication passage 19b, and the communication gap is reduced. Then, water is sprinkled from the first water spout 22b (water sprinkling hole) of the water sprinkling plate 22.
- the nozzle body 10 is retracted, and as shown in FIG. If the communication gap with the passage 21 is increased, shower watering is performed from the first watering port 22b (watering small hole) of the watering plate 22.
- the through hole 13 of the nozzle body 10 communicates with the intermediate portion flow passage 12 via the communication passage 19a, and the second Fan-shaped watering is performed from the watering port 22c (fine hole).
- the outer peripheral side of the nozzle body is surrounded by the inner cylinder, and the inner flow passage and the outer flow passage are formed on the outer peripheral side of the inner cylinder, and the positions of the through holes formed in the peripheral wall of the inner cylinder are determined.
- various types of watering can be obtained by operating the inner cylinder, such as mist, straight rod, cone, and sprinkle-shape, especially when spraying in the form of mist or cone.
- Water that has flowed into the water inflow hole from the internal flow passage at the center is injected from the tip of the enormous tip, filling the center cavity, eliminating cavitation in the center and making the water go straight Along with this, it is possible to extend the distance of watering around the area.
- the outer peripheral side of the nozzle body is surrounded by an inner cylinder, and the inner cylinder is surrounded by an inner cylinder that holds an internal flow passage on the outer peripheral side of the nozzle body;
- An outer flow passage is formed on the outer peripheral side of the outer inner cylinder, and an outer flow passage is formed on the outer peripheral side of the outer inner cylinder.
- An internal flow passage, an intermediate flow passage, or an external flow passage is selectively communicated with the main body.Furthermore, at the closed end of the nozzle body, an enlarged end portion having a water inflow hole in the peripheral wall is continuously connected to the nozzle body. The inflow hole communicates with the internal flow passage in the cylinder.
- the inner cylinder is divided into two parts to make it possible to remove the front cylinder, it is possible to remove the front cylinder of the inner cylinder even if the tip of the nozzle body is clogged or damaged, and remove the front cylinder from the tip.
- a predetermined maintenance can be easily performed by exposing the portion, and the maintenance performance can be improved.
- the water flow load flowing in the water spray direction is a nozzle that enables various forms of water spray because the partition of each flow path of the upper flow path, the intermediate flow path, and the external flow path is clearly configured. Is reduced as much as possible, and watering can be carried out smoothly.
Landscapes
- Nozzles (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/011,544 US5979800A (en) | 1995-08-03 | 1996-08-01 | Sprinkler nozzle |
EP96925984A EP0842705A4 (en) | 1995-08-03 | 1996-08-01 | SPRINKLER NOZZLE |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19879295 | 1995-08-03 | ||
JP7/198792 | 1995-08-03 | ||
JP8200624A JP2784382B2 (ja) | 1995-08-03 | 1996-07-30 | 散水ノズル |
JP8/200624 | 1996-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997005958A1 true WO1997005958A1 (fr) | 1997-02-20 |
Family
ID=26511180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/002186 WO1997005958A1 (fr) | 1995-08-03 | 1996-08-01 | Buse de tete de projection |
Country Status (5)
Country | Link |
---|---|
US (1) | US5979800A (ja) |
EP (1) | EP0842705A4 (ja) |
JP (1) | JP2784382B2 (ja) |
CA (1) | CA2228645A1 (ja) |
WO (1) | WO1997005958A1 (ja) |
Cited By (1)
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IT201900002239A1 (it) * | 2019-02-15 | 2020-08-15 | Promega S R L | Pistola a spruzzo con mezzi di azionamento |
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US6808130B1 (en) * | 2003-05-12 | 2004-10-26 | Globe Union Industrial Corp. | Spray head kitchen faucet |
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ITMI20040240A1 (it) | 2004-02-13 | 2004-05-13 | Claber Spa | Pistola per l'erogazione di liquido in particolare per il giardinaggio dotata di un tasto di bloccaggio in posizione di erogazione |
TWM283682U (en) * | 2005-07-26 | 2005-12-21 | Yuan Mei Corp | Sprinkle-nozzle structure |
US7226002B2 (en) * | 2005-08-10 | 2007-06-05 | Shun-Nan Luo | Sealing device for a watering nozzle assembly |
TWI266653B (en) * | 2005-12-19 | 2006-11-21 | King-Yuan Wang | Water spray gun with multi-stage spraying |
JP4789143B2 (ja) * | 2005-12-19 | 2011-10-12 | 株式会社トヨックス | 散水ノズル |
KR100739882B1 (ko) * | 2006-01-21 | 2007-07-16 | 이덕신 | 스위치식 물분사기 |
US7740192B2 (en) * | 2006-06-28 | 2010-06-22 | Kuo-Liang Chen | Rotating bi-directional pneumatic gun |
US8640973B2 (en) * | 2006-09-07 | 2014-02-04 | Briggs And Stratton Corporation | Pressure washer wand having a nozzle selector |
US7543762B1 (en) * | 2007-10-23 | 2009-06-09 | Shih-Chung Cheng | Spraying gun having different spraying modes |
FR2952047B1 (fr) * | 2009-11-04 | 2011-12-09 | Sidel Participations | Dispositif de remplissage avec systeme de clapet particulier |
DE102009046632A1 (de) * | 2009-11-11 | 2011-05-12 | Stefan Raab | Duschkopf |
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JP5824273B2 (ja) * | 2011-07-28 | 2015-11-25 | フルタ電機株式会社 | ファンの散水装置 |
JP5883286B2 (ja) * | 2011-12-16 | 2016-03-09 | リョービ株式会社 | 高圧洗浄機用ノズル及び高圧洗浄機 |
US9216424B2 (en) | 2013-06-11 | 2015-12-22 | Am Conservation Group, Inc. | System and method of selective fluid pattern distribution |
JP5961204B2 (ja) * | 2014-03-13 | 2016-08-02 | 株式会社タカギ | ミスト散水装置 |
JP6241884B2 (ja) * | 2014-06-17 | 2017-12-06 | 株式会社Lixil | 吐水装置、浴室、及び、吐水装置の取付方法 |
JP6034462B1 (ja) | 2015-09-28 | 2016-11-30 | 株式会社タカギ | ノズルガンおよびレバーロック機構 |
DE102015219413B3 (de) * | 2015-10-07 | 2016-11-03 | Hansgrohe Se | Sanitärbrausenkopf |
US11856942B2 (en) | 2016-02-12 | 2024-01-02 | Kenneth D. Crenshaw | Dual nozzle sprayer |
US9814227B2 (en) * | 2016-02-12 | 2017-11-14 | Kenneth D. Crenshaw | Dual nozzle spray gun |
US20180185863A1 (en) * | 2017-01-05 | 2018-07-05 | Shin Tai Spurt Water Of The Garden Tools Co., Ltd. | Gardening water spray gun |
CA3002468C (en) * | 2017-04-25 | 2020-07-07 | Fna Group, Inc. | Pressure washer safety lock |
US11415252B2 (en) * | 2017-12-28 | 2022-08-16 | Lawn & Garden, Llc | Swivel coupling |
JP2019177655A (ja) * | 2018-03-30 | 2019-10-17 | 太平洋マテリアル株式会社 | 注液機構 |
US20220040712A1 (en) * | 2020-08-10 | 2022-02-10 | Kohler Co. | Spray assembly |
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JPH0626366U (ja) | 1991-08-02 | 1994-04-08 | オムロン株式会社 | 画像読取装置 |
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JPS63136750A (ja) * | 1986-11-27 | 1988-06-08 | Mitsubishi Electric Corp | 通信システム |
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US5333792A (en) * | 1993-07-08 | 1994-08-02 | Wang King Yuan | A spray gun including a governing ring assembly to provide several different water flow patterns |
US5806770A (en) * | 1996-09-30 | 1998-09-15 | Wang; Tzu-Meng | Pistol-grip nozzle |
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1996
- 1996-07-30 JP JP8200624A patent/JP2784382B2/ja not_active Expired - Fee Related
- 1996-08-01 US US09/011,544 patent/US5979800A/en not_active Expired - Fee Related
- 1996-08-01 EP EP96925984A patent/EP0842705A4/en not_active Withdrawn
- 1996-08-01 CA CA002228645A patent/CA2228645A1/en not_active Abandoned
- 1996-08-01 WO PCT/JP1996/002186 patent/WO1997005958A1/ja not_active Application Discontinuation
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JPH051319Y2 (ja) * | 1987-02-26 | 1993-01-13 | ||
JPH0439387B2 (ja) * | 1987-03-28 | 1992-06-29 | ||
JPH0214765A (ja) * | 1988-02-27 | 1990-01-18 | Toshio Takagi | 散水用ノズル |
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JPH0626366U (ja) | 1991-08-02 | 1994-04-08 | オムロン株式会社 | 画像読取装置 |
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---|---|---|---|---|
IT201900002239A1 (it) * | 2019-02-15 | 2020-08-15 | Promega S R L | Pistola a spruzzo con mezzi di azionamento |
WO2020165707A1 (en) * | 2019-02-15 | 2020-08-20 | Promega S.R.L. | Spray gun with actuating means |
Also Published As
Publication number | Publication date |
---|---|
JP2784382B2 (ja) | 1998-08-06 |
EP0842705A1 (en) | 1998-05-20 |
US5979800A (en) | 1999-11-09 |
JPH0999257A (ja) | 1997-04-15 |
EP0842705A4 (en) | 2000-11-02 |
CA2228645A1 (en) | 1997-02-20 |
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