Retractable water spraying device for large sprinkler
A technology of sprinkler and sprinkler, applied in the directions of sprinkler, liquid injection, etc., can solve the problems of reducing sprinkler efficiency, unable to ensure that the sprinkler head is always vertically downward, different, etc., to achieve the effect of improving sprinkler efficiency
Active Publication Date: 2015-08-19
CHINA IRRIGATION & DRAINAGE DEV CENT +2
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Problems solved by technology
And for different crops and different growth stages of the same kind of crops, its corresponding heights are all different, using the water spray device provided by the prior art will bring a lot of inconvenience
In addition, the sprinkler device provided by the prior art cannot ensure that the sprinkler head is always vertically downward, and these problems are likely to reduce the efficiency of sprinkler irrigation
Method used
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[0040] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0041] as attached figure 1 As shown, the embodiment of the present invention provides a telescopic water spraying device for a large sprinkler irrigation machine, which is used in conjunction with a large sprinkler irrigation machine, including: a telescopic tube 1, a weight tube 2, a locking mechanism 3, and an outer wire nozzle Interface 4;
[0042] Part of the telescopic tube 1 is tightly fitted inside the weight tube 2 and can slide axially relative to the weight tube 2 . Wherein, the upper end of the telescopic tube 1 located outside the weight pipe 2 is connected to the water delivery pipe of the large sprinkler irrigation machine, and the lower end of the weight pipe 2 is connected to the outer wire nozzle interface 4 .
[00...
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The invention discloses a retractable water spraying device for a large sprinkler and belongs to the technical field of irrigation. The water spraying device comprises a telescopic pipe, a counterweight pipe, a locking mechanism and an external-thread nozzle connector. The telescopic pipe is partially and closely nested into the counterweight pipe and capable of sliding in the axial direction relatively to the counterweight pipe; the pipe body top end, located outside the counterweight pipe, of the telescopic pipe is connected with the water pipe of the large sprinkler; the lower end of the counterweight pipe is connected with the external-thread nozzle connector; the locking mechanism comprises an elastic part and a locking part; the elastic part closely sleeves the pipe body of the telescopic pipe, and is capable of sliding in the axial direction of the telescopic pipe, and a wedge-shaped hole is formed in the lower part of the elastic part; the locking part is fixed on the upper end of the counterweight pipe, and a wedge-shaped block is arranged on the upper part of the locking part; the wedge-shaped block and the wedge-shaped hole are arranged into an inverted structure, and matched to prop against each other; when the telescopic pipe stretches and shrinks, the wedge-shaped block is disengaged from the wedge-shaped hole; when the telescopic pipe is fixed, the wedge-shaped block is matched to prop with the wedge-shaped hole. The water spraying device has the advantages that the height of the nozzle away from the ground is adjustable, the nozzle is kept always vertical and downward, and the sprinkling efficiency is high.
Description
technical field [0001] The invention relates to the technical field of irrigation, in particular to a telescopic water spray device for a large sprinkler irrigation machine. Background technique [0002] Large-scale sprinkler irrigation is an important large-scale water-saving irrigation equipment for farmland. It has the advantages of water saving, labor saving, and high automation. It is of great significance for the promotion of energy-saving irrigation. During use, the water delivery pipe of the large-scale sprinkler is usually connected with a matching sprinkler device, and a sprinkler head is connected to the sprinkler at the same time, so as to realize the sprinkler irrigation function of the large-scale sprinkler. [0003] The sprinkler device provided by the prior art usually includes a fixed sprinkler pipe, the lower end of which is provided with a nozzle interface for connecting the sprinkler head, and the upper end of the fixed sprinkler pipe is connected to the ...
Claims
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IPC IPC(8): B05B15/08B05B9/03B05B15/68
Inventor 李仰斌谢崇宝张国华谢时友
Owner CHINA IRRIGATION & DRAINAGE DEV CENT