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WO2016091398A1 - Tête de pulvérisation et appareil de pulvérisation - Google Patents

Tête de pulvérisation et appareil de pulvérisation Download PDF

Info

Publication number
WO2016091398A1
WO2016091398A1 PCT/EP2015/057483 EP2015057483W WO2016091398A1 WO 2016091398 A1 WO2016091398 A1 WO 2016091398A1 EP 2015057483 W EP2015057483 W EP 2015057483W WO 2016091398 A1 WO2016091398 A1 WO 2016091398A1
Authority
WO
WIPO (PCT)
Prior art keywords
spray head
entity
adjustment
guiding
liguid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2015/057483
Other languages
English (en)
Inventor
Rainer Kaupp
Thomas Renner
Michael Kistler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Husqvarna AB
Original Assignee
Husqvarna AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Husqvarna AB filed Critical Husqvarna AB
Priority to PL15715227T priority Critical patent/PL3229972T3/pl
Priority to CN201580066888.1A priority patent/CN106999961B/zh
Priority to EP15715227.3A priority patent/EP3229972B1/fr
Priority to TW104141339A priority patent/TWI670119B/zh
Publication of WO2016091398A1 publication Critical patent/WO2016091398A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B05B1/18—Roses; Shower heads
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads

Definitions

  • the present invention relates generally to the field of spray heads . More specifically, the present invention is related to a spray head being adapted to change the irrigation area size.
  • Spraying apparatuses specifically spraying apparatuses for wa- tering flowers or plants, are well known in prior art.
  • Said spraying apparatuses comprise a housing with a liguid inlet, at least one liguid channel for guiding liguid through the spraying apparatus and a liguid outlet for providing liguid, specifically water, to the flowers or plants.
  • Said spraying apparatuses may comprise a valve for enabling/disabling the liguid flow through the liguid channel.
  • spraying apparatuses of shower spray head type are known which comprise a spray head with a plurality liguid outlets and which comprise means for changing the size of irrigation area.
  • the invention relates to a spray head for a spraying apparatus.
  • the spray head comprises a spray head base body including a spray head fluid channel.
  • the spray head further comprises a plurality of nozzles which are arranged at the spray head base body.
  • Each nozzle comprises a nozzle fluid channel.
  • the nozzle fluid channels are coupled with the spray head fluid channel and the free ends of the noz- zle fluid channels form liguid outlets of the spray head.
  • the nozzles are circumferentially arranged around a central axis of the spray head. In other words, the nozzles are distributed over a front side of the spray head.
  • the nozzles are ar ⁇ ranged in multiple concentric nozzle rings.
  • Each nozzle comprise a liguid guiding portion, said liguid guiding portion including said nozzle fluid channel and being made of an elastic, flexible material. Said material may be, for example, an elastomer.
  • the spray head further includes an adjustment unit comprising an adjustment entity, said adjustment entity being movably mounted at the spray head base body.
  • the adjustment entity comprises a plurality of apertures for providing passages for said flexible liguid guiding portions.
  • the spray head is adapted to change the spraying pattern by moving the adjustment entity with respect to the spray head base body, said movement causing a bending of the flexible liguid guiding portions of said nozzles.
  • the adjustment entity is adapted to change the radial distance of the liguid outlets with respect to the spray head central axis.
  • the liguid guiding portions are bent in order to direct the liguid jet provided by the respective nozzle in a certain direction, wherein the radial distance of the free ends of the liguid guiding portions with respect to the spray head central axis is changed.
  • the adjustment entity is rotatably ar ⁇ ranged at the spray head base body.
  • the adjustment entity may rotate around a rotation axis which may be the spray head cen- tral axis.
  • the adjustment entity may comprise guiding means for transforming the rotary movement of the adjustment entity into a radial movement (with respect to the spray head central axis) of liquid outlets.
  • the adjustment entity may be a circular plate. Thereby, a compact design of the spray head is achieved.
  • said liquid guiding portions are arranged par ⁇ allel to each other.
  • the liquid guiding portions of all nozzles may be arranged parallel to each other.
  • the smallest irrigation area size is obtained because the liquid outlets of the nozzles are arranged in a position close to the spray head central axis.
  • the adjustment entity comprises a plu- rality of oblong apertures, wherein the distance between a first end an oblong aperture and a rotating axis of the adjustment en ⁇ tity is greater than the distance between the second end of said oblong aperture and said rotating axis. Due to said distance difference, the liquid guiding portions are deformed when rotat- ing the adjustment entity and the liquid outlets provided at the free ends of the nozzles are moved radially with respect to the spray head central axis.
  • the oblong apertures have a curved shape. Thereby, a smooth bending of the liquid guiding portions is obtained.
  • the oblong aper ⁇ tures have a linear shape.
  • the longitudinal axis of the oblong apertures is slanted with respect to a radial direction, said radial direction referring to the rotating axis of the adjust ⁇ ment entity.
  • the slanting angle may be close to 90°, e.g. in the range of 70° to 89°, wherein the slanting angle opens outwardly (in a direction opposite to the spray head central axis or rota- tion axis) .
  • the adjustment entity is adapted to bend the liguid guiding portions in circumferential direction with respect to the rotational axis of the adjustment entity.
  • the liguid guiding portions of the nozzles are bent in rotational direction. Said bending is achieved by edges of apertures provided within the adjustment entity.
  • the adjustment entity is slidably mounted within the spray head, wherein the sliding direction is parallel or essentially parallel to the spray head central axis.
  • the adjustment entity may comprise nozzle passages, said nozzle passages applying a radially inwardly or radially outwardly di ⁇ rected force to the liguid guiding portions when sliding the ad ⁇ justment entity.
  • the liguid guiding portions of the nozzles are slanted with respect to the sliding direction. Said slanting refers to non-bent liguid guiding portions (without ap ⁇ plying external force to the liguid guiding portions) .
  • the nozzles are tilted at an angle of 10° to 30°, prefera ⁇ bly, 15° to 25°, most preferably, 16°, 17°, 18°, 19°, 20°, 21°, 22°, 23° or 24°.
  • the adjustment entity comprises a plu ⁇ rality of apertures, the edges of the apertures providing a close fit to the liquid guiding portions.
  • Said apertures provide the upper-mentioned nozzle passages.
  • Close fit as used in the present disclosure means that the aperture dimension is adapted to the dimensions of the liquid guiding portion such that the adjustment entity can be easily moved with respect to the liquid guiding portions but there is only a small gap between the aper ⁇ ture edge and the liquid guiding portion in order to achieve up- per-mentioned liquid guiding portion deformation when moving the adjustment entity.
  • the adjustment unit comprises an ad ⁇ justment portion, said adjustment portion being rotatably mount- ed at the spray head, wherein the adjustment portion is coupled with the adjustment entity such that the adjustment entity is shifted when rotating the adjustment portion.
  • the adjustment portion may be an adjusting ring.
  • the adjustment portion may comprise an internal thread which is coupled with a lateral pro- trusion or edge of the adjustment entity in order to transform the rotary movement of the adjustment portion into a transversal movement (shifting) of the adjustment entity.
  • a guiding entity is provided, said guiding entity being arranged between the adjustment entity and the liquid outlets of the nozzles. Said guiding entity is adapted to provide a lateral guide for the liquid guiding por ⁇ tions . Thereby an enhanced and guided movement of the liquid guiding portions is obtained.
  • said guiding entity is fixedly ar ⁇ ranged with respect to the spray head base body.
  • the guiding entity does not move when rotating or sliding the adjustment entity.
  • the liquid guiding portions of the nozzles are guided or fixed at both ends and deformed by means of the adjustment entity which is arranged between those ends thereby achieving a well-defined movement of the liquid guiding portions .
  • the guiding entity comprises oblong apertures, the longitudinal axes of said oblong apertures being radially arranged with respect to the spray head central axis.
  • the liquid guiding portions can move in a radial direc ⁇ tion and guided in a direction perpendicular to said radial di- rection.
  • the adjustment entity is adapted such that only some of the nozzles are bent by the adjustment entity or the bending angle is different.
  • nozzles which are arranged opposite to each other are bent by the same bending angle. Thereby, a spray pattern with an oval cross section is obtained.
  • the invention relates to a spray- ing apparatus.
  • the spraying apparatus comprises a spray head ac ⁇ cording to anyone of the above-mentioned embodiments.
  • Fig. 1 shows an example perspective view of a spray head accord ⁇ ing to a first embodiment
  • Fig. 2 shows an example front view of the spray head according to the first embodiment
  • Fig. 3 shows an example front view of the spray head according to the first embodiment when removing the guiding entity
  • Fig. 4 shows a sectional view of the spray head according to the first embodiment with non-bent liguid guiding portions
  • Fig. 5 shows a sectional view of the spray head according to the first embodiment with outwardly bent liguid guiding por ⁇ tions ;
  • Fig. 6 shows an example perspective view of a spray head accord ⁇ ing to a first embodiment
  • Fig. 7 shows a sectional view of the spray head according to the second embodiment with non-bent liguid guiding portions
  • Fig. 8 shows a sectional view of the spray head according to the second embodiment with inwardly bent liguid guiding por ⁇ tions ;
  • Fig. 9 shows a sectional view of the spray head according to a third embodiment with non-bent liguid guiding portions
  • Fig. 10 shows a further sectional view of the spray head accord ⁇ ing to the third embodiment with non-bent liguid guiding portions providing liguid jets
  • Fig. 11 shows a further sectional view of the spray head accord ⁇ ing to the third embodiment with bent liquid guiding por ⁇ tions providing slanted liquid jets crossing each other;
  • Fig. 12 shows an example front view of the spray head according to the third embodiment with non-bent liquid guiding por ⁇ tions ;
  • Fig. 12 shows an example front view of the spray head according to the third embodiment with bent liquid guiding por ⁇ tions
  • Fig. 14 shows an example side view of a spraying apparatus.
  • Fig. 1 to 5 show a spray head 1 according to a first embodiment.
  • the spray head 1 comprises a spray head base body 2 which com ⁇ prises a connection portion 2.1 for connecting the spray head 1 with a spraying apparatus base unit.
  • the spray head 1 is directly connected with a wa ⁇ ter hose by means of said connection portion 2.1.
  • the spray head base body 2 includes a spray head fluid channel 3 through which water, in general liquid, is flowing when using the spray head 1.
  • a plurality of nozzles 4 are arranged at the spray head base body 2.
  • Each nozzle 4 comprises a nozzle inlet which is fluidically coupled with the spray head fluid channel 3 and a nozzle outlet which constitutes one of the plurality of liquid outlets 5 of the spray head 1.
  • the nozzle comprises an oblong nozzle fluid channel 4.1 formed within the nozzle 4, the free ends of the nozzle fluid channel 4.1 building the nozzle inlet and the nozzle outlet, wherein the nozzle fluid channel 4.1 is fluidically coupled with the spray head fluid channel 3 for providing a water flow through said nozzle 4.
  • Each nozzle 4 comprises a nozzle base portion 4.3 by means of which the liquid guiding portion 4.2 is coupled to the spray head base body 2.
  • the liquid guiding portion 4.2 may comprise a tubular shape. At least the liquid guiding portion 4.2 is made of a flexible, elastic material, e.g. a elastomer. Preferably, the nozzle 4 is integrally formed and made of a flexible, elas ⁇ tic material (one-piece nozzle) . In addition, it may be possible that multiple nozzles 4 (group of nozzles) or all nozzles 4 of the spray head 1 are integrally formed by a nozzle entity. The liquid guiding portions 4.2 of the nozzles 4 protrude at the front side of the spray head 1.
  • the direction of water flow can be changed by bending the liquid guiding portion 4.2 of the nozzle 4.
  • the nozzles 4 are circumferentially arranged around a central axis CA of the spray head 1.
  • the nozzles 4 are arranged in a ring-shaped area.
  • the nozzles 4 are arranged in multiple concentric rings at the spray head base body 2, i.e. the nozzle rings comprise different sizes (different ring diameters) .
  • the front portion of the spray head 1 comprises a circular or essen ⁇ tially circular shape.
  • the spray head 1 comprises an adjust ⁇ ment unit 6, said adjustment unit 6 being adapted to bend the liquid guiding portions 4.2 in a certain direction in order to change the irrigation area. It is worth mentioning that due to the longitudinal shape of the liquid guiding portions 4.2 of the nozzles 4, the irrigation area can be changed only by changing the alignment of the liquid guiding portions 4.2.
  • the adjustment unit 6 comprises an adjustment entity 7 which is adapted to interact with the liquid guiding portions 4.2 of the nozzles 4 such that the alignment of the liquid guiding portions 4.2 is changed. More in detail, the adjustment entity 7 compris ⁇ es a plurality of apertures 7.1. Said apertures 7.1 are arranged at the adjustment entity 7 such that the liquid guiding portion of each nozzle is received in one aperture 7.1. In other words, the adjustment entity is put on the plurality of liquid guiding portions 4.2 such that said liquid guiding portions 4.2 pass through the adjustment entity 7 and the apertures 7.1 provide the passages for said liquid guiding portions 4.2.
  • the adjust- ment entity 7 may comprise a plate-like, planar shape.
  • the adjustment entity 7 is movably arranged at the spray head 1.
  • the alignment of all liquid guiding portions 4.2 is changed sim ⁇ ultaneously thereby changing the irrigation area affected by the spray head 1.
  • the irrigation area may be changed by changing the radial distance RD of the liquid outlets 5 with respect to the spray head central axis CA.
  • the liquid guiding portions 4.2 are bent such, that the free ends of the liquid guiding portions 4.2 are moved from a position close to the central axis CA to an outer position or from an outer position to a position close to the central axis CA.
  • the adjustment entity 7 is rotatably arranged within the spray head 1 in order to change irrigation area size.
  • the adjustment entity 7 comprises a plurality of oblong apertures 7.1.
  • the narrow side of the oblong aperture 7.1 is adapted to the outer dimensions of the liquid guiding portion 4.2 in order to enable a bending of the liquid guiding portion 4.2 of the nozzle 4 by means of the aperture edges.
  • the longitudinal axes of the oblong apertures 7.1 are slanted with respect to a radial direction, said radial direction referring to the central axis of the spray head 1.
  • the liquid guiding portion 4.2 is bent by the edge of the oblong aperture 7.1.
  • the longitudi ⁇ nal axes of the oblong apertures 7.1 is tilted with respect to the radial direction (referring to central axis CA) an angle be ⁇ tween 70° and 90°, preferably, 70°, 71°, 72°, 73°, 74°, 75°, 76°, 77°, 78°, 79°, 80°, 81°, 82°, 83°, 84°, 85°, 86°, 87°, 88° or 89°, wherein the angle opens in a direction opposite to the central axis CA.
  • the apertures 7.1 may comprise a curved shape.
  • the plurality of oblong apertures 7.1 may form holes comprising a paddle-wheel-like shape.
  • the adjustment unit 6 further comprises an adjustment portion 8.
  • Said adjustment portion 8 may be an adjustment ring being circumferentially arranged at the spray head 1.
  • the adjustment portion 8 is rotatably mounted at said spray head 1 and coupled with the adjustment entity 7 in order to rotate the adjustment entity 7.
  • the adjustment unit 6 further comprises a guiding entity 9.
  • the guiding entity 9 may form the outer entity of the front portion of the spray head 1, i.e. may be arranged close to the liguid outlets 5 of the spray head 1, and the ad ⁇ justment entity 7 may be arranged between the guiding entity 9 and the nozzle base portions 4.3.
  • the guiding entity may com ⁇ prise a plurality of oblong apertures 9.1. Said oblong apertures 9.1 may be radially or essentially radially arranged at the guiding entity 9, i.e.
  • the longitudinal axes of said oblong ap ⁇ ertures 9.1 are radially arranged with respect to the spray head central axis CA. Similar to the adjustment entity 7, the said apertures 9.1 are arranged at the guiding entity 9 such that the liguid guiding portion 4.2 of each nozzle 4 is received in one aperture 9.1.
  • the guiding entity 9 is put on the plurality of liguid guiding portions 4.2 such that said liguid guiding portions 4.2 pass through the guiding entity 9 and the apertures 9.1 provide the passages for the liguid guiding por ⁇ tions 4.2.
  • the guiding entity 9 may also comprise a plate-like, planar shape .
  • the guiding entity 9 is fixedly arranged at the spray head 1, i.e. there is a relative movement between the mov ⁇ able, specifically rotatable adjustment entity 7 and the fixedly arranged guiding entity 9. Due to the slanted arrangement of the oblong apertures 7.1 with respect to the radially arranged ob- long apertures 9.1 of the guiding entity 9 and the arrangement of the adjustment entity 7 and the guiding entity 9 next to each other, a well-defined passage of each liguid guiding portion 4.2 through the adjustment unit 6 is provided, thereby realizing a well-defined guiding of the liguid guiding portion 4.2.
  • Fig. 6 to 8 show a second embodiment of a spray head 1. Similar to the first embodiment, the spray head 1 comprises a spray head base body 2 which comprises a connection portion 2.1 for connecting the spray head 1 with a spraying apparatus base unit or a water hose.
  • the main difference of the spray head 1 according to the second embodiment with respect to the first embodiment is the implementation of the adjustment unit 6. Therefore, in the following the adjustment unit 6 according to the second embodi ⁇ ment is described in closer detail. Apart from that, the de- scription of the technical features of the first embodiment also applies to the second embodiment.
  • a main difference between the first and the second embodiment is the arrangement of the nozzles 4 at the spray head base body 2.
  • the longitudinal axes of the nozzles 4 are slanted with respect to a central axis of the spray head 1.
  • a support portion 4.4 of the nozzles 4 comprise a truncated cone-like shape, such that in the non-bent condition (without external force applied by the adjustment entity 7) all nozzles 4 are slanted by the same angle with respect to the cen ⁇ tral axis CA.
  • the adjustment entity 7 is slidably arranged within the spray head 1 in order to change said irrigation area size.
  • the adjustment entity 7 which is in ⁇ cluded in the spray head 1 comprises a plurality of apertures 7.1, wherein the aperture dimension is adapted to the outer di ⁇ mensions of the liquid guiding portions 4.2 of the nozzles 4 in order to enable a bending of said liquid guiding portions 4.2 by means of the aperture edges. Said bending is achieved by sliding the adjustment entity 7 in a sliding direction SD, said sliding direction SD being parallel to the spray head central axis CA.
  • the distance between a lower portion of the liquid guiding portion 4.2 (e.g. a portion close to the nozzle base portion 4.3) and the central axis CA is dif ⁇ ferent to, preferably smaller than the distance between an upper portion of the liquid guiding portion 4.2 (e.g. a portion close to the liquid outlets 5) and the central axis CA. So, by sliding the adjustment entity 7 in a direction parallel to central axis CA, the nozzles are deformed or bent by the edges of the aper ⁇ tures 7.1 of the adjustment entity 7. Fig.
  • the adjust ⁇ ment entity 7 and 8 illustrate two different positions of the adjust ⁇ ment entity 7, namely a retracted position (the adjustment enti ⁇ ty 7 is located close to the support portion 4.4, Fig. 7) and a forward-pushed position (the adjustment entity 7 is located close to the liquid outlets 5, Fig. 8) .
  • the liquid guiding portions 4.2 are deformed thereby pushing the liquid outlets 5 in closer proximity to the central axis CA.
  • the liquid guiding portion 4.2 may be deformed thereby pushing the liquid outlets 5 away from the central axis CA. Thereby the irrigation pattern of the spray head 1 is changed.
  • the adjustment unit 6 further comprises an adjustment portion 8.
  • Said adjustment por ⁇ tion 8 may be an adjustment ring being circumferentially ar ⁇ ranged at the spray head 1.
  • the adjustment portion 8 is rotata- bly mounted at said spray head 1 and coupled with the adjustment entity 7 in order to shift the adjustment entity 7.
  • the adjustment portion 8 may comprise an inner thread which is coupled with one or more lateral protrusions of the ad ⁇ justment entity 7 in order to transform the rotary movement of the adjustment portion 8 into a transversal movement (shifting) of the adjustment entity 7.
  • the adjustment unit 6 may further comprise a guid ⁇ ing entity 9.
  • the guiding entity 9 may from the outer entity of the front portion of the spray head 1, i.e. may be arranged close to the liquid outlets 5 of the spray head 1, and the ad- justment entity 7 may be arranged between the guiding entity 9 and the nozzle base portions 4.3.
  • the guiding entity 9 may com ⁇ prise a plurality of oblong apertures 9.1. Said oblong apertures 9.1 may be radially or essentially radially arranged at the guiding entity 9, i.e.
  • the longitudinal axes of said oblong ap ⁇ ertures 9.1 are radially arranged with respect to the spray head central axis CA. Similar to the adjustment entity 7, the said apertures 9.1 are arranged at the guiding entity 9 such that the liguid guiding portion 4.2 of each nozzle 4 is received in one aperture 9.1.
  • the guiding entity 9 is put on the plurality of liguid guiding portions 4.2 such that said liguid guiding portions 4.2 pass through the guiding entity 9 and the apertures 9.1 provide the passages for the liguid guiding por ⁇ tions 4.2.
  • the guiding entity 9 may also comprise a plate-like, planar shape .
  • the guiding entity 9 is fixedly arranged at the spray head 1, i.e. there is a relative movement between the mov ⁇ able, specifically shiftable adjustment entity 7 and the fixedly arranged guiding entity 9.
  • Fig. 9 to 13 show a further embodiment of a spray head 1.
  • said further embodiment with re ⁇ spect to the embodiments described before are described.
  • the spray head 1 comprises a spray head base body 2 including a spray head fluid channel 3 and a nozzle entity comprising a plurality of nozzles 4 made of elastic material.
  • the spray head 1 preferably does not comprise any guiding entity 9.
  • the adjustment entity 7 also builds the front-side cover plate of the spray head 1.
  • the ad ⁇ justment entity 7 comprises a plurality of apertures 7.1. Said apertures 7.1 are arranged at the adjustment entity 7 such that the liguid guiding portion 4.2 of each nozzle 4 is received in one aperture 7.1.
  • the adjustment entity 7 is put on the plurality of liguid guiding portions 4.2 such that said liguid guiding portions 4.2 pass through the adjustment entity 7 and the apertures 7.1 provide the passages for said liguid guid ⁇ ing portions 4.2.
  • the liguid guiding portions 4.2 are force-guided within the apertures 7.1 in order to obtain a reproducible spray pattern.
  • the adjustment entity 7 is rotatably mounted at the spray head base body 2 by means of a central bearing 10, i.e. the adjustment entity 7 is able to be rotated around the central axis CA of the spray head 1 wherein the rotating axis RA coincides with the central axis CA.
  • a sealing ring 10.1 may be arranged.
  • Said sealing ring 10.1 may provide friction between the rotatable adjustment entity 7 and the stationarily arranged portion of the connecting piece 13 forming the central bearing 10 in order to avoid an un- desired movement of the adjustment entity 7.
  • frictional forces between the central bearing 10 and the adjustment entity 7 can be obtained by other friction generating means, e.g. by using clamping means, clamping ribs or an interlinking between the adjustment entity 7 and the central bearing 10.
  • the adjustment entity 7 is mounted at the spray head base body 2 by means of a snap-on mechanism.
  • the adjustment en ⁇ tity 7 may comprise at least a pair of snap hooks 11 which are extending from the bottom side of the adjustment entity 7, i.e. at a side opposite to the plate-like portion comprising the ap- ertures 7.1.
  • Said snap hooks 11 interact with grooves or nuts 12 provided at the spray head base body 2 such that the adjustment entity 7 is attached to the spray head base body 2 by the snap hooks 11 engaging into said nuts 12.
  • the nuts may be provided in the spray head base body 2 or in a connecting piece 13 being arranged between the adjustment entity 7 and the spray head base body 2.
  • the connecting piece 13 may be screwed onto the spray head base body 2.
  • the connecting piece 13 may have a ring-like shape and may be used for fixing the nozzles 4, specifically a nozzle entity (nozzle mat) comprising a plurality of nozzles.
  • the grooves or nuts 12 comprise a length (in circum- ferential direction) which is greater than the width of the snap hooks 11.
  • the adjustment entity 7 is rotatable around the rotating axis RA, wherein the rotating angle is limited by the edges of the grooves or nuts 12.
  • the edges of the grooves or nuts 12 form stop portions interacting with the snap hooks 11 such that the rotating angle of the snap hooks 11 is limited to a certain angle.
  • Said angle may be in the range between 5° and 20°, preferably between 10° and 15°, specifically 11°, 12°, 13° or 14° .
  • the 10 and 12 refer to a rotational position of the adjustment entity 7 in which the liguid guiding portions 4.2 of the nozzles 4 are unbent, i.e. the adjustment entity 7 does not apply forces onto the nozzles 4. Therefore, the liguid guiding portions 4.2 of the nozzles 4 are parallel to each other and parallel to the central axis CA.
  • Fig. 11 and 13 shows the spray head 1 with the adjustment entity 7 in a rotational position in which the nozzles 4 are bent by the adjustment entity 7.
  • the tilting angle of the nozzles 4 may be up to 45°. Depending on the position of a certain nozzle 4, the degree of bending is different, i.e. the inner nozzles 4 are tilted or bent by a smaller angle than the outer nozzles 4. In other words, due to the different distances of the nozzles 4 to the rotating axis RA, the tilting angle is different.
  • liguid jets provided by the nozzles are crossing thereby gener ⁇ ating a uniform irrigation pattern and/or a uniform distribution of liguid jets.
  • the diameter of the irrigation area may be in the range between 10cm and 100cm (measured in a distance of lm from the free ends of the nozzles 4) .
  • Fig. 14 shows a hand-held spraying apparatus 100 according to an embodiment.
  • the spraying apparatus 1 may be a handheld device, e.g. a spray gun, for providing liguid, specifically water to water receiving objects, for example, flowers or plants.
  • the spraying apparatus 100 comprises a housing 110 with a grip portion 120 for manually holding the spraying apparatus 100.
  • the spraying apparatus 100 may further comprise activation means 130, for example a button, said activation means 130 being cou ⁇ pled with a valve (not shown) for enabling/disabling or control- ling a liguid flow through the spraying apparatus 100.
  • the spraying apparatus 100 may comprise a spray head according to one of the upper-mentioned embodiments for bringing out the same water flow rate on different irrigation areas (e.g. a small and large irrigation area) . It is worth mentioning that the spray head 1 may be adapted to provide a stepless adaption of the ir ⁇ rigation area by a stepless moving (rotating, sliding) of the adjusting entity .
  • the hand-held spraying apparatus 100 may be arranged by means of a rod at a certain distance above the ground wherein the liguid is sprayed upwardly. Due to the irrigation adjustment mechanism, the diameter of the irrigated area may be continuous ⁇ ly changed between 0.2m and 3m. It should be noted that the description and drawings merely lustrate the principles of the proposed methods and systems. Those skilled in the art will be able to implement various a rangements that, although not explicitly described or shown herein, embody the principles of the invention.

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  • Nozzles (AREA)

Abstract

L'invention concerne une tête de pulvérisation pour un appareil de pulvérisation (100), la tête de pulvérisation comprenant : - un corps de base (2) de tête de pulvérisation comprenant un canal de fluide (3) de tête de pulvérisation; - une pluralité de buses (4), chaque buse (4) comprenant un canal de fluide (4.1) de buse, lesdits canaux de fluide (4.1) de buse étant couplés au canal de fluide (3) de tête de pulvérisation et les extrémités libres des canaux de fluide (4.1) de buse formant des sorties de liquide (5) de la tête de pulvérisation (1), les buses (4) étant agencées de manière circonférentielle autour d'un axe central (CA) de la tête de pulvérisation (1), chaque buse (4) comprenant une partie (4.2) de guidage de liquide, ladite partie (4.2) de guidage de liquide comprenant ledit canal de fluide (4.1) de buse et étant formée à partir d'un matériau souple, - une unité d'ajustement (6) comprenant une entité d'ajustement (7), ladite entité d'ajustement (7) étant montée de manière mobile au niveau du corps de base (2) de tête de pulvérisation, l'entité d'ajustement (7) comprenant une pluralité d'ouvertures (7.1) afin de ménager des passages pour lesdites parties souples (4.2) de guidage de liquide, la tête de pulvérisation (1) étant adaptée pour changer le motif de pulvérisation par le déplacement de l'entité d'ajustement (7) par rapport au corps de base (2) de la tête de pulvérisation, ledit mouvement provoquant une flexion des parties souples (4.2) de guidage de liquide desdites buses (4).
PCT/EP2015/057483 2014-12-11 2015-04-07 Tête de pulvérisation et appareil de pulvérisation Ceased WO2016091398A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL15715227T PL3229972T3 (pl) 2014-12-11 2015-04-07 Głowica natryskowa i aparat natryskowy
CN201580066888.1A CN106999961B (zh) 2014-12-11 2015-04-07 洒水头及洒水装置
EP15715227.3A EP3229972B1 (fr) 2014-12-11 2015-04-07 Tête de pulvérisation et appareil de pulvérisation
TW104141339A TWI670119B (zh) 2014-12-11 2015-12-09 灑水頭及灑水裝置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2014077308 2014-12-11
EPPCT/EP2014/077308 2014-12-11

Publications (1)

Publication Number Publication Date
WO2016091398A1 true WO2016091398A1 (fr) 2016-06-16

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PCT/EP2015/057483 Ceased WO2016091398A1 (fr) 2014-12-11 2015-04-07 Tête de pulvérisation et appareil de pulvérisation

Country Status (5)

Country Link
EP (1) EP3229972B1 (fr)
CN (1) CN106999961B (fr)
PL (1) PL3229972T3 (fr)
TW (1) TWI670119B (fr)
WO (1) WO2016091398A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181234A1 (fr) * 2015-12-16 2017-06-21 Kohler Co. Tête de pulvérisation à motif de pulvérisation hyperboloïde
WO2020089574A1 (fr) * 2018-10-31 2020-05-07 Kohler Mira Limited Tête de pulvérisation
GB2587104A (en) * 2018-10-31 2021-03-17 Kohler Mira Ltd Spray head
WO2021099756A1 (fr) * 2019-11-22 2021-05-27 Kohler Mira Limited Tête de pulvérisation
CN113198033A (zh) * 2021-05-19 2021-08-03 长江师范学院 一种场所环境防疫消毒用行走设备
US11097289B2 (en) 2018-04-23 2021-08-24 Kohler Co. Sprayer
CN115382678A (zh) * 2022-09-14 2022-11-25 郭亚玲 一种灌溉用喷头以及喷头的生产组装方法

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CN109833983B (zh) * 2017-11-24 2023-10-13 厦门松霖科技股份有限公司 出水面积可调整出水机构
CN111386141B (zh) * 2017-11-28 2022-02-25 千住灭火器株式会社 喷洒头
CN109365360B (zh) * 2018-10-23 2021-07-06 广东顺德蓝导电器科技有限公司 一种家电清洗机
JP6990887B2 (ja) * 2019-01-31 2022-01-12 パナソニックＩｐマネジメント株式会社 散水板およびシャワー装置
TWI762374B (zh) * 2021-07-08 2022-04-21 源美股份有限公司 灑水裝置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996026761A1 (fr) * 1995-02-27 1996-09-06 Cooper Randy J Dispositif d'arrosage automatique pour le jardin et le gazon avec tubes pliables
US20060032945A1 (en) * 2004-08-13 2006-02-16 Clearman Joseph H Spray apparatus
US20070246577A1 (en) * 2006-04-20 2007-10-25 Leber Leland C Converging spray showerhead
US20130186972A1 (en) * 2012-01-24 2013-07-25 John E. Petrovic Adjustable trajectory spray nozzles
WO2014132384A1 (fr) * 2013-02-28 2014-09-04 株式会社ケーエスケー Dispositif de buse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996026761A1 (fr) * 1995-02-27 1996-09-06 Cooper Randy J Dispositif d'arrosage automatique pour le jardin et le gazon avec tubes pliables
US20060032945A1 (en) * 2004-08-13 2006-02-16 Clearman Joseph H Spray apparatus
US20070246577A1 (en) * 2006-04-20 2007-10-25 Leber Leland C Converging spray showerhead
US20130186972A1 (en) * 2012-01-24 2013-07-25 John E. Petrovic Adjustable trajectory spray nozzles
WO2014132384A1 (fr) * 2013-02-28 2014-09-04 株式会社ケーエスケー Dispositif de buse

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181234A1 (fr) * 2015-12-16 2017-06-21 Kohler Co. Tête de pulvérisation à motif de pulvérisation hyperboloïde
US10987680B2 (en) 2015-12-16 2021-04-27 Kohler Co. Spray head with hyperboloid spray pattern
US11097289B2 (en) 2018-04-23 2021-08-24 Kohler Co. Sprayer
GB2578593B (en) * 2018-10-31 2020-11-25 Kohler Mira Ltd Spray head
GB2587104A (en) * 2018-10-31 2021-03-17 Kohler Mira Ltd Spray head
GB2578593A (en) * 2018-10-31 2020-05-20 Kohler Mira Ltd Spray head
WO2020089574A1 (fr) * 2018-10-31 2020-05-07 Kohler Mira Limited Tête de pulvérisation
GB2587104B (en) * 2018-10-31 2021-11-10 Kohler Mira Ltd Spray head
WO2021099756A1 (fr) * 2019-11-22 2021-05-27 Kohler Mira Limited Tête de pulvérisation
GB2589318A (en) * 2019-11-22 2021-06-02 Kohler Mira Ltd Spray Head
GB2589318B (en) * 2019-11-22 2021-11-24 Kohler Mira Ltd Spray Head
CN113198033A (zh) * 2021-05-19 2021-08-03 长江师范学院 一种场所环境防疫消毒用行走设备
CN113198033B (zh) * 2021-05-19 2023-04-25 长江师范学院 一种场所环境防疫消毒用行走设备
CN115382678A (zh) * 2022-09-14 2022-11-25 郭亚玲 一种灌溉用喷头以及喷头的生产组装方法
CN115382678B (zh) * 2022-09-14 2023-12-08 江苏沣田农业装备机械有限公司 一种灌溉用喷头以及喷头的生产组装方法

Also Published As

Publication number Publication date
EP3229972B1 (fr) 2019-06-19
EP3229972A1 (fr) 2017-10-18
PL3229972T3 (pl) 2019-11-29
TWI670119B (zh) 2019-09-01
CN106999961B (zh) 2019-02-15
TW201622824A (zh) 2016-07-01
CN106999961A (zh) 2017-08-01

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