Sprayer switch

A sprayer and switch technology, which is applied to spray devices, liquid spray devices, etc., can solve the problems of high labor intensity, short service life, and laborious operators, and achieve the effect of reducing labor intensity, avoiding long-term pressure and increasing service life.

Inactive Publication Date: 2008-07-30
李冠军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most commonly used machinery for spraying pesticides is a manual sprayer. The main structure of the sprayer is a chemical barrel, a pump, a boom nozzle and a switch. The switch of the sprayer is closed when it is not working, and it is opened when it is working, but there is a switch for the sprayer when it is working. When the wrench is always pressed in the direction of the handle, it can only be in the open state. Therefore, the operator is very laborious and labor-intensive;

Method used

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Embodiment Construction

[0009] The invention discloses a sprayer switch. As shown in FIG. 1 , there is a switch main body 1, a handle 12 is connected to the center of the switch main body 1, and a valve core 6 is installed in the vertical direction of the switch main body 1. The valve core 6 There is a sealing device and a reset closing spring 5 between the body and the spring 5. There is a fixed switch nut 4 on the spring 5. The outer end (top) of the valve core is connected to a wrench 11. The wrench 11 is connected to the switch body 1, and the switch body 1 is connected to the handle. One end of the spool is formed with a bracket 13, which is connected to the wrench 11 by the bracket. The bracket is used as the lever fulcrum of the wrench during work. It is characterized in that a limit cap 3 is installed between the wrench 11 connected to the outer end of the valve core 6 and the switch nut 4, as shown in Fig. 1 Shown is that the sprayer is not working, the limit block 33 at the bottom of the lim...

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Abstract

The sprayer switch has one main switch connected to the handle and with valve element, sealing unit, spring and spring nut, and one handle connected to the valve element in the main switch. It features the rack connected to the handle and the limiting cap between the handle and the nut. During the operation of the sprayer switch, the rack acts as the lever fulcrum for pull up the valve element. Owing to the limiting cap, one limiting block is set between the nut and the handle head to compress the spring for the valve element to be in continuous opening state, and this makes the sprayer spray continuously, resulting in reduced labor strength and prolonged service live of the sprayer switch.

Description

technical field [0001] The invention relates to a sprayer, in particular to a sprayer switch, which belongs to plant protection machinery and is mainly used for spraying pesticides for preventing and controlling pests and diseases of crops, and can also be used for spraying disinfectants such as epidemic prevention and disinfection. Background technique [0002] In order to prevent and control crop diseases and insect pests in agricultural production, pesticides need to be sprayed. The most commonly used machinery for spraying pesticides is a manual sprayer. The main structure of the sprayer is a chemical barrel, a pump, a boom nozzle and a switch. The switch of the sprayer is closed when it is not working, and it is opened when it is working, but there is a switch for the sprayer when it is working. At the same time, the wrench can only be in the open state when it is pressed towards the handle direction all the time. Therefore, the operator is very laborious and labor-inte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B15/00B05B9/04
Inventor 李冠军
Owner 李冠军
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