Spray gun for dual-nozzle sprayer

Abstract

The invention discloses a spray gun for a dual-nozzle sprayer, which comprises a gun body, wherein, a front end part of the gun body is equipped with a fixed nozzle and a dismountable quick-change nozzle, and the gun body is internally equipped with a motor, a pump, a control valve and a power supply unit; the control valve is a three-way ball valve and is provided with a water inlet joint and two water outlet joints, and a valve core of the control valve is connected with a shifting button exposed out of the gun body; a water inlet pipe of the gun body is connected with a water inlet of the pump; a water outlet of the pump is connected with the water inlet joint of the control valve via a connecting pipe; and the two water outlet joints of the control valve are respectively communicated with the quick-change nozzle and the fixed nozzle via a water outlet pipe. When in use, switching between the quick-change nozzle and the fixed nozzle can be realized only by rotating the shifting button, thus being very convenient for operation; and jet statuses with three modes can be realized without replacing the quick-change nozzle, thus greatly enhancing the practicability of the spray gun.

Description

technical field [0001] The invention relates to a sprayer, in particular to a spray gun for the sprayer. Background technique [0002] At present, the existing sprayer products in the market are generally designed separately from the host and the spray gun. The spray gun mainly includes a gun body. The front end of the gun body is provided with a detachable quick-change nozzle. The bottom of the gun body has a water inlet joint. ), the water inlet joint is connected to the water inlet of the pump through the water inlet pipe, the water outlet of the pump is connected to the water inlet interface of the control valve through the connecting pipe, and the water outlet of the control valve is communicated with the quick-change nozzle through the water outlet pipe. The handle of the gun body is pivotally connected with a control wrench, and the control wrench is provided with a control rib near the pivot joint end, and a spring is connected between the control wrench and the han...

AI Technical Summary

Problems solved by technology

[0004] 1. The existing spray gun only has one quick-change nozzle. Although the quick-change nozzle can be switched between the two modes of linear spray and spray spray, it can realize long-distance spray straight line and short-distance spray, but if it is necessary to realize the third If there is no water spray function, you need to replace the quick-change nozzle, which is not only troublesome to operate, but also a waste of time

[0005] 2. Existing quick-change nozzles can only achieve short-distance (within 2 meters) conical surface spraying function. If you want to spray remotely, you can only achieve it by switching to a straight-line spraying mode, but this spraying mode can only perform a one-time spray on the target. Point spraying, unable to achieve long-distance large-area spraying function;

[0006] 3. Most of the existing quick-change nozzles have complex structures, and most of them are made of copper or stainless steel. Not only the material cost is high, but also the processing accuracy and process need to be controlled to ensure its quality;

[0007] 4. Most of the battery boxes inside the existing gun body only have a sealing ring embedded between the upper cover and the lower cover of the box, but there is no related sealing design at the outlet hole, switch hole and charging jack, so it cannot completely prevent the outside world The water enters it, there is a safety hazard

[0008] 5. The existing gun body is not equipped with a power display device, and the operator cannot know the remaining power of the power supply device in time, and cannot be charged in time, resulting in failure to use normally

[0009] 6. The existing spray gun is not equipped with a working light, which is only suitable for use during the day or when there is an external light source, and cannot be used alone at night

[0010] 7. The existing control wrench does not have a locking device when in use. The operator may easily cause the spray gun to enter the working state due to accidentally touching the wrench during use. bodily harm

Images