Buoyancy valve, water washing system and construction machinery

A technology of buoyancy valves and buoyancy chambers, which is applied to mechanical equipment, valve details, multi-way valves, etc., can solve the problems of not being able to determine whether there is still water in the washing pipeline, and the effect of emptying cannot be guaranteed, so as to reduce rust Or the probability of being damaged by freezing, the effect of improving the service life and user experience

Active Publication Date: 2015-12-23
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual application process, the existing water washing system cannot determine whether there is still accumulated water in the water washing pipeline, so the effect of emptying cannot be guaranteed

Method used

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  • Buoyancy valve, water washing system and construction machinery
  • Buoyancy valve, water washing system and construction machinery
  • Buoyancy valve, water washing system and construction machinery

Examples

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The following will be combined with Figures 1 to 6 Specific examples of the present invention will be described in detail.

[0025] figure 1 It is a structural schematic diagram of a buoyancy valve proposed in a specific embodiment of the present invention when it is in a floating state; figure 2 for figure 1 Schematic diagram of the buoyancy valve shown in its initial state; image 3 A schematic structural view of a water washing system proposed for a specific embodiment of the present invention; Figure 4 A schematic structural view of another water washing system proposed for specific embodiments of the present invention during water washing; Figure 5 for Figure 4 Schematic diagram of the structure of the water washing system shown when draining water; Image 6 for Figure 4 The schematic diagra...

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PUM

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Abstract

The present invention proposes a buoyancy valve, which includes a valve body; a valve chamber and a buoyancy chamber are arranged in the valve body; a valve core is arranged in the valve chamber, a float is arranged in the buoyancy chamber, and the float and the valve The mandrel of the core is connected; the valve body is provided with a first port, a second port, a third port and a fourth port; the first port and the second port communicate with the valve chamber, so The third port and the fourth port communicate with the buoyancy chamber; the float has an initial state and a floating state, and when the float is in the initial state, the buoyancy valve connects the first port and the second port disconnected, when the buoy is in the floating state, the buoyancy valve communicates the first port with the second port. The buoyancy valve can be used to easily identify when the emptying operation is completed, thereby effectively ensuring the emptying effect, which is beneficial to improving the service life and user experience of the water washing system. In addition, the present invention also proposes a water washing system and construction machinery with the buoyancy valve.

Description

technical field [0001] The invention relates to construction machinery, in particular to a buoyancy valve; in addition, it also relates to a water washing system and construction machinery with the buoyancy valve. Background technique [0002] At present, construction machinery has been widely used in various construction operations, which brings great convenience to engineering construction. Many construction machinery (such as concrete pumping equipment, mixer trucks, etc.) often need to be cleaned locally after the operation is completed. For this reason, these construction machinery are usually equipped with a water washing system. [0003] In order to prevent the adverse effects of accumulated water on the water washing system, such as causing rust or freezing in cold environments and damaging the water pump, etc., it is usually necessary to empty the water after the washing operation is completed. The existing evacuation method is mainly manual air pressure evacuation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/044F16K31/20F16K33/00F16K27/02B08B3/02
Inventor 贾海云付劲松赵勇
Owner SANY AUTOMOBILE MFG CO LTD
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