High-pressure cleaning machine with novel water outlet device

Abstract

The invention provides a high-pressure cleaning machine with a novel water outlet device and belongs to the technical field of high-pressure cleaning machines. The problems that a water outlet device of an existing structure is high in production cost, complex in structure and inconvenient for users to use in the integrated design or split design are solved. The high-pressure cleaning machine with the novel water outlet device is characterized in that a water outlet channel of a high-pressure pump is connected with a water outlet pipe, the output end of the water outlet pipe is connected with a high-pressure water pipe, the water outlet pipe is communicated with a water return pipe connected with a high-pressure pump water return channel, an overflowing valve is fixed in the water return pipe, the water outlet channel and the water outlet pipe are connected or fixed through a clamping pin, the water outlet pipe and the high-pressure water pipe are connected or fixed through a clamping pin, the water return channel and the water return pipe are connected or fixed through a clamping pin, the interior of the water return pipe and the overflowing valve are connected or fixed through a clamping pin, and the water outlet pipe and the water return pipe are of a structure integrally formed by plastics in an injection molding mode. The high-pressure cleaning machine has the advantages that the plastic manufacturing cost is low, the effects of gun closing and pressure maintaining and backflow prevention are achieved, and insulation is safe.

Description

technical field [0001] The invention belongs to the technical field of high-pressure cleaners, in particular to a high-pressure cleaner with a novel water outlet device. Background technique [0002] In the field of existing high-pressure cleaners, there are few researches and innovations on pump outlet devices. By observing the products on the market, it is found that the existing outlet pipes usually have the following structures: [0003] The first is the integrated structure of the water outlet pipe and the high-pressure pump, which are connected with other parts by threads. This structure seems simple, but there are the following problems: First, it has high requirements for the mold and die-casting process. If it is not processed, its accuracy is difficult to meet the requirements; second, the processing and assembly are more complicated, and other parts such as overflow valves, siphon devices, pressure-holding devices, etc. are usually fixed in the pump by threads, th...

AI Technical Summary

Problems solved by technology

[0003] The first is the integrated structure of the water outlet pipe and the high-pressure pump, which are connected with other parts by threads. This structure seems simple, but there are the following problems: First, it has high requirements for the mold and die-casting process. If it is not processed, its accuracy is difficult to meet the requirements; second, the processing and assembly are more complicated, and other parts such as overflow valves, siphon devices, pressure-holding devices, etc. are usually fixed in the pump by threads, thread processing and thread assembly It is time-consuming in mass production; the third is that it is inconvenient for users to install or remove the high-pressure pipe by screwing in or out the nut, which is prone to failure to screw on, screw in place, or screw out, etc. The problem affects the normal use of customers, and the metal outlet pipe has the risk of leakage

[0004] The second type is that the outlet pipe and the high-pressure pump are split structures, and are connected with other parts by threads. This structure is almost the same as the first type. The split type is relatively flexible, and the length and shape of the outlet pipe can be changed. The requirements for die-casting molds have also been reduced, but there are still problems such as complex processing and assembly, and inconvenient use by users

[0005] The third is that the pump outlet pipe and the pump have a split structure, and the outlet pipe and the high-pressure pipe are also connected by quick plug. Aluminum die-casting and then processing will increase the cost

Moreover, the entire outlet pipe is too long, which is not conducive to the miniaturization design of the whole machine

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