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Anti-freezing spray rod

A spray pipe and spray liquid technology, which is applied in the direction of spraying devices, etc., can solve the problems such as the obstruction of spray pipe expansion and freezing, the inability to use the spray rod, and the damage of the spray rod, so as to achieve the effect of less parts, low price and avoiding damage

Inactive Publication Date: 2013-06-26
YAMAHO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] If the remaining spray liquid freezes in winter, the spray rod will be damaged due to the volume expansion of the spray liquid caused by freezing
In addition, even if it does not reach the level of damage, it will be in a state where the nozzle is clogged
In addition, in the case of telescopic spray rods, the expansion and contraction of the spray pipe is also hindered by freezing, so that the spray rod cannot be used until the spray liquid melts

Method used

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Examples

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Embodiment Construction

[0028] Below, based on the attached drawings Figure 1~Figure 7 The embodiment of the antifreeze spray rod of the present invention will be described. figure 1 and figure 2 The antifreeze spraying rod 1 illustrated in the example is configured with a plurality of spray nozzles 3 installed on the nozzle 2, and a water stop valve 4 and a drain valve 5 are also provided at the root of the nozzle 2. Among them, the feature of the present invention is that In the above-mentioned drain valve 5.

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Abstract

The present invention provides an anti-freezing spray rod aiming at enabling a spray rod of a sprayer to not generate freeze of spray liquid, thereby eliminating damaged or temporary use limiting problems caused by freeze. The spray rod of the sprayer has a water valve (4) for opening and closing a pipeline (2b) at a root of a spray pipe (2), and at least a front end of the spray pipe (2) has a spray nozzle, wherein a drain valve (5) is arranged on the spray rod, when the water valve (4) is closed, the remained spray liquid in the spray pipe (2) can be discharged via the drain valve (5); the water valve (4) and the drain valve (5) are formed by three-way valves (11), so that both the valves are compound, however, the valves also can be arranged to be independent valves.

Description

Technical field [0001] The present invention relates to an antifreeze spray rod. The antifreeze spray rod is a spray rod of a sprayer for spraying medicaments, etc., particularly a spray rod having a long spray tube (pipe rod) that easily retains spray liquid inside after use, and can prevent Freezing of the remaining spray liquid. Background technique [0002] Among sprayers used for spraying insecticides and the like, there are sprayers provided with a plurality of spray nozzles for one nozzle. The applicant proposes a spray rod for a sprayer having this structure in Patent Document 1 below. [0003] The spray rod is configured such that a single spray tube is formed by an outer tube and an inner tube inserted inside the outer tube, and the spray tube is expanded and contracted by sliding the inner tube. [0004] In addition, commercially available products also have nozzles in which an inner tube is inserted inside the outer tube, and the length of the inner tube can be changed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B15/06B05B12/00
Inventor 今川良成山本成子
Owner YAMAHO IND
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