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    • 8. 发明公开
    • SPRAY GUN
    • EP3789122A1
    • 2021-03-10
    • EP20193420.5
    • 2020-08-28
    • Zhejiang Prulde Electric Appliance Co., Ltd.
    • YANG, WeimingHAN, Ting
    • B05B9/00
    • A spray gun includes a casing (1), a cup (2), a spray nozzle (3), and a pump. The pump is provided in the casing (1) and has a spray chamber in communication with the cup (2). The cup (2) includes a cup housing (21) and a flexible cup body (22) provided in the cup housing (21). A venting structure communicating the cup (2) with an outer environment is provided on the pump. The cup housing (21) is provided with a hollow portion, such that the flexible cup body (22) is manually squeezable to expel air inside the flexible cup body (22) out via the venting structure. In this way, simply squeezing the perforated portion of the flexible cup body (22) enables complete venting of the air present in the flexible cup body (22) via the venting structure. With such configurations, the liquid in the flexible cup body (22) easily enters the inside of the spray chamber, which enables the spray gun to coat stably at a high rate, thereby enhancing operating efficiency of the spray gun.