The object of the present invention is to provide a pesticide dispensing device with adjustable spraying distance to facilitate the spraying of pesticides to crops at different distances. The adjustable spraying distance pesticide beating device of the invention comprises a water tank, a spraying mechanism and a pressurizing mechanism. The spraying mechanism consists of a support rod with a handle, a sprinkler at the end of the support rod and a delivery pipe connecting the sprinkler head and the water tank. The key point is that the sprinkler hole of the sprinkler head is composed of an inner ring nozzle and an outer ring nozzle surrounding the inner ring nozzle, and the area of the inner ring nozzle is smaller than that of the outer ring nozzle. The inner ring delivery pipe is composed of inner ring delivery pipe and outer ring delivery pipe, the outer ring delivery pipe covers the nozzle and communicates with the outer ring nozzle; the inner ring delivery pipe passes through the outer ring delivery pipe and connects with the inner ring injection hole; the inner ring delivery pipe and the outer ring delivery pipe are respectively provided with inner ring delivery valve and outer ring delivery pipe near the handle. Outer ring delivery valve.
【技术实现步骤摘要】
可调喷药距离的打农药装置
本专利技术属于农用设备
,具体涉及到一种打农药装置。
技术介绍
为了提高作物的抗病能力,经常需要对作物喷洒农药,传统的打农药装置都是由水箱、手动加压机构和手持式喷头构成,其中喷头为相互连通的多孔结构,在打农药过程中,药液从喷头所有的孔中同时喷出。上述打农药装置只能依靠调整水箱内的压力来改变喷药距离,但是当作物的喷药位置距离操作者较远时,即使水箱内的压力足够,药液在飞行途中也会分散而无法喷到作物上。
技术实现思路
本专利技术的目的是提出一种可调喷药距离的打农药装置,以方便向不同距离处的作物喷洒农药。本专利技术的可调喷药距离的打农药装置包括水箱、喷药机构和加压机构,所述喷药机构由设有手柄的支杆、位于支杆端部的喷头及连接喷头与水箱的输药管构成,关键在于所述喷头的喷孔由内圈喷孔和环绕内圈喷孔的外圈喷孔构成,所述内圈喷孔的面积小于外圈喷孔的面积,且内圈喷孔的数量小于外圈喷孔的数量;所述输药管由内圈输药管和外圈输药管构成,所述外圈输药管包裹住喷头,并与外圈喷孔相通;所述内圈输药管穿过外圈输药管并与内圈喷孔相接;所述内圈输药管、外圈输药管在靠近手柄处分别设有内圈输药阀和外圈输药阀。上述可调喷药距离的打农药装置的工作原理如下:在需要向近距离处的作物喷洒农药时,关闭内圈输药阀,只开启外圈输药阀,水箱内的药液经过外圈输药管、外圈喷孔向外喷出,由于外圈喷孔的面积较大、数量较多,因此药液从外圈喷孔喷出后会迅速分散,扩大了喷洒面积。在需要向远距离处的作物喷洒农药时,关闭外圈输药阀,只开启内圈输药阀,水箱内的药液经过内圈输药管、内圈喷孔向外喷出,由于内圈喷 ...
【技术保护点】
1.一种可调喷药距离的打农药装置,包括水箱、喷药机构和加压机构,所述喷药机构由设有手柄的支杆、位于支杆端部的喷头及连接喷头与水箱的输药管构成,其特征在于所述喷头的喷孔由内圈喷孔和环绕内圈喷孔的外圈喷孔构成,所述内圈喷孔的面积小于外圈喷孔的面积,且内圈喷孔的数量小于外圈喷孔的数量;所述输药管由内圈输药管和外圈输药管构成,所述外圈输药管包裹住喷头,并与外圈喷孔相通;所述内圈输药管穿过外圈输药管并与内圈喷孔相接;所述内圈输药管、外圈输药管在靠近手柄处分别设有内圈输药阀和外圈输药阀。
【技术特征摘要】
1.一种可调喷药距离的打农药装置,包括水箱、喷药机构和加压机构,所述喷药机构由设有手柄的支杆、位于支杆端部的喷头及连接喷头与水箱的输药管构成,其特征在于所述喷头的喷孔由内圈喷孔和环绕内圈喷孔的外圈喷孔构成,所述内圈喷孔的面积小于外圈喷孔的面积,且内圈喷孔的数量小于外圈喷孔的数量;所述输药管由内圈输药管和外圈输药管构成,所述外圈输药管包裹住喷头,并与外圈喷孔相通;所述内圈输药管穿过外圈输药管并与内圈喷孔相接;所述内圈输药管、外圈输药管在靠近手柄处分别设有内圈输药阀和外圈输...
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