Sprinkler diffuser device, especially for plants for the spray distribution of water and other similar liquids

Abstract

A sprinkler device, especially for units for the spray distribution of dispersing water and other similar liquids, comprising an at least partly hollow central body defining a longitudinal axis, a connecting sleeve to a supply line removably secured to the central body, a convergent to plants includes a deflector member disposed downstream from a nozzle to accelerate the liquid located between the central body and the sleeve, a diverter unit located downstream from the nozzle to for diverting the flow a stream of fluid from the nozzle in a substantially transverse direction so as to spray disperse the fluid outwards, first snap means to connect the nozzle to the sleeve . The first snap connection means are arranged so as to hold the nozzle in an axially immobilised position with respect to the sleeve when the latter is fitted to and disconnected from the central body. The deflector member is substantially in the form of a plate having a shaped surface facing an outlet of the nozzle and disposed at a predetermined axial distance therefrom, to divert a substantially axial flow of the fluid issuing from the nozzle along a plurality of transverse directions.

1. A sprinkler device, particularly for spray distribution plants for  dispersing water and other similar liquids to plants, comprising an at least partly hollow  a central body defining  which is at least partially hollow and defines a longitudinal axis, a connecting  connection sleeve for connecting to a feed line which is , said sleeve being removably attached  linked to the  said central body, a convergent nozzle to accelerate  for accelerating the liquid located  interposed between the  said central body and the  said sleeve, and a diverter unit located  deflector member disposed downstream from the  said nozzle to divert the flow  for diverting a stream of fluid from said nozzle in a substantially transverse direction so as  to spray  disperse the fluid outwards, and first snap connection means between the said nozzle and the said sleeve, the said first snap connection means being designed to hold the said nozzle in an axially immobilised position with respect to the said sleeve when the latter is fitted onto and removed from the said central body  wherein said deflector member is substantially in the form of a plate having a shaped surface facing an outlet of said nozzle and disposed at a predetermined axial distance therefrom, to divert a substantially axial flow of the fluid issuing from said nozzle along a plurality of substantially transverse directions, wherein a supporting member extends from said central body to removably anchor said deflector member, said supporting member having guide means to permit selective insertion of said deflector member, said guide means being configured to permit selective insertion and axial immobilization of said deflector member through sliding along a substantially transverse plane. 
     
     
       2. Device according to  claim 1 , wherein a supporting member extends from the said central body to removably anchor the said diverter unit, the said supporting member having guide means to permit selective insertion and axial immobilisation of the said diverter unit through sliding along a substantially transverse plane. 
     
     
       3. Device according to claim  2    1 , wherein the  said supporting member comprises at least one projection defining second  snap connection means which can be selectively snap engaged on at least one corresponding recess or cavity provided in the  said diverter unit  deflector member in order to immobilise it  immobilize said deflector member transversely. 
     
     
       4. Device according to claim  1    20 , wherein the  said first  snap connection means comprise a spherical joint to permit the  said nozzle to be inclined at a predetermined angle with respect to the  said longitudinal axis and axial rotation of the same  said nozzle with respect to the  said sleeve. 
     
     
       5. Device according to  claim 4 , wherein the  said spherical joint comprises a rounded portion projecting in an axial direction from the  said nozzle which can be snap connected to a matching surface provided on the  said sleeve. 
     
     
       6. Device according to  claim 1   A sprinkler device, particularly for dispersing water and other similar liquids to plants, comprising a central body which is at least partially hollow and defines a longitudinal axis, a connection sleeve for connecting to a feed line, said sleeve being removably linked to said central body, a convergent nozzle for accelerating the liquid interposed between said central body and said sleeve, and a deflector member disposed downstream from said nozzle for diverting a stream of fluid from said nozzle in a substantially transverse direction to disperse the fluid outwards, wherein said deflector member is substantially in the form of a plate having a shaped surface facing an outlet of said nozzle and disposed at a predetermined axial distance therefrom, to divert a substantially axial flow of the fluid issuing from said nozzle along a plurality of substantially transverse directions, wherein the  said sleeve comprises a substantially frustoconical portion which is coaxial with the  said longitudinal axis and can make a seal against a substantially frustoconical surface of the  said nozzle. 
     
     
       7. Device according to  claim 6 , wherein the  said substantially frustoconical portion of the  said sleeve and the  said substantially frustoconical surface of the  said nozzle have substantially identical corresponding taper angles. 
     
     
       8. Device according to  claim 2 , wherein the said supporting member is of one niece with the said central body. 
     
     
       9. Device according to  claim 2 , wherein the said diverter unit is substantially plate-shaped with a first shaped surface facing the outlet cross-section of the said nozzle and at a predetermined axial distance in relation to the latter to divert the substantially axial flow of liquid from the said nozzle along a plurality of substantially transverse directions. 
     
     
       10. Device according to claim  9    1 , wherein the axial dimensions of the  said diverter unit permits the  deflector member permit said guide means to be inserted with the  said first  shaped surface facing the outlet cross-section  of the  said nozzle or in a position which is substantially rotated through 180°. 
     
     
       11. Device according to  claim 10 , wherein the  said shaped surface is a first shaped surface and said diverter unit  deflector member has a second shaped surface opposite the first and is designed to divert the substantially axial flow of liquid  fluid leaving the  said nozzle along a plurality of transverse directions with the  said diverter unit  deflector member inserted in the said  rotated position. 
     
     
       12. Device according to  claim 11 , wherein the  said diverter unit  deflector member comprises a removable insert which can be fitted above the second shaped surface defining a third shaped surface. 
     
     
       13. Device according to  claim 12 , wherein the  said diverter unit  deflector member has one or more cavities in an outer edge of the  said removable insert to make it easier to remove it by inserting the tip of a screwdriver or similar tool. 
     
     
       14. Device according to  claim 1 , wherein the  said central body has a threaded portion which is designed to be screwed onto a corresponding thread in the  said sleeve. 
     
     
       15. Device according to  claim 14 , wherein the  said nozzle has one or more radial appendages projecting outwards and slidably insertable into corresponding openings in the  said central body to prevent rotation of the  said nozzle with respect to the  said central body when they  said central body and said sleeve are screwed together. 
     
     
       16. Device according to  claim 15 , wherein the  said sleeve has an annular portion to provide radial support for the  said threaded portion of the  said central body at the  an inner longitudinal end of the  said thread. 
     
     
       17. Device according to  claim 15 , wherein each of the  said radial appendages has at least one end portion which can be seen from the exterior. 
     
     
       18. Device according to  claim 17 , wherein the  said end portion of the  said radial appendage is substantially flat. 
     
     
       19. Device according to  claim 1 , wherein the  said central body comprises an annular bracket directed radially inwards to align the  said nozzle in relation to the  said diverter unit  deflector member. 
     
     
       20. A sprinkler device, particularly for dispersing water and other similar liquids to plants, comprising a central body which is at least partially hollow and defines a longitudinal axis, a connection sleeve for connecting to a feed line, said sleeve being removably linked to said central body, a convergent nozzle for accelerating the liquid interposed between said central body and said sleeve, and a deflector member disposed downstream from said nozzle for diverting a stream of fluid from said nozzle in a substantially transverse direction to disperse the fluid outwards, wherein said deflector member is substantially in the form of a plate having a shaped surface facing an outlet of said nozzle and disposed at a predetermined axial distance therefrom, to divert a substantially axial flow of the fluid issuing from said nozzle along a plurality of substantially transverse directions, further comprising snap connection means between said nozzle and said sleeve, said snap connection means being designed to hold said nozzle in an axially immobilized position with respect to said sleeve when the latter is fitted onto and removed from said central body.