Variable flow sprayer nozzle

A nozzle and flow technology of nozzles, applied in the direction of spraying devices, spraying devices, etc., can solve problems such as labor-intensive and inconvenient

Inactive Publication Date: 2011-08-17
FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing rocker-arm nozzles generally change the amount of water sprayed by changing the nozzles to change the flow rate, range, and irrigatio

Method used

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  • Variable flow sprayer nozzle
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Embodiment Construction

[0005] The present invention will be described in detail in conjunction with the following embodiments. The spray head nozzle includes an upper casing 1 and a lower casing 5. The lower casing is provided with an axial water spray hole 4. There is a circumferentially open end plate at the top of the upper casing. The center of the end plate is provided with a downward cone 3 placed in the upper port of the water spray hole of the lower housing, and the external thread on the upper part of the upper housing matches the threaded hole of the shower head.

[0006] The principle and operation method of adjusting the flow rate of the nozzle of the variable flow nozzle of the present invention is that when the spray irrigation flow needs to be increased, the lower housing is rotated counterclockwise by hand, that is, the lower housing moves downward from the upper housing. At this time, the upper housing The cone moves upward from the water spray hole of the lower shell, the flow area ...

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Abstract

The invention discloses a variable flow sprayer nozzle capable of changing flows, ranges and spray irrigation strength without replacing a nozzle. The variable flow sprayer nozzle comprises a nozzle body; the nozzle body is provided with an upper shell and a lower shell; external threads positioned on the upper part of the lower shell are matched with a threaded hole positioned on the lower part of the upper shell; external threads positioned on the upper part of the upper shell are matched with a threaded hole of a sprayer; the center of an end plate of the upper shell is provided with a downward cone positioned in an upper port of an axial water spray orifice of the lower shell; the diameter of the cone is large on an upper part and small on a lower part; and the end plate positioned between the cone and the upper shell is provided with an axial hole communicated with a water discharge orifice inside the sprayer and the water spray orifice of the lower shell. The variable flow sprayer nozzle disclosed by the invention is used for irrigation.

Description

Technical field: [0001] The invention relates to an irrigation technology, in particular to a variable flow nozzle. Background technique: [0002] Sprinkler irrigation is an irrigation technology with good water-saving effect. The sprinkler head is an important part of the irrigation system, and its performance has a decisive effect on the irrigation quality and water-saving effect. Existing rocker-arm nozzles generally change the amount of water sprayed by changing the nozzles to change the flow rate, range, and irrigation intensity. This requires nozzles of various specifications, and the nozzles need to be disassembled, which is labor-intensive and inconvenient. Invention content: [0003] The object of the present invention is to provide a variable flow nozzle nozzle which can change the flow rate, shooting range and sprinkling intensity without changing the nozzle. The technical solution to realize the object of the present invention is a variable flow nozzle nozzle,...

Claims

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Application Information

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IPC IPC(8): B05B1/30
Inventor 李金山郭志新韩启彪刘杨
Owner FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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