JPS6167858U

JPS6167858U -

Info

Publication number: JPS6167858U
Application number: JP14530684U
Authority: JP
Priority date: 1984-09-26
Filing date: 1984-09-26
Publication date: 1986-05-09

Description

[Brief explanation of the drawing]

第１図はマスキングを施さず塗装を施している
状態を示す図、第２図は従来のノズルの縦断面図
、第３図は従来のノズルの正面図、第４図は本考
案に係るノズルの縦断面図、第５図は本考案に係
るノズルの正面図、第６図は第４図のＡ部の拡大
図、第７図は別実施例に係るノズルの縦断面図で
ある。尚、図面中１はスプレーガン、２はノズル、３
は被塗装面、４は塗料、５はノズル主体、６は流
路、６ａはドーム状凹穴、６ｂは流路円筒部、７
はＶ字状切込溝、８はオリフイス型噴口、９は境
界部、１０は狭角細溝である。 Figure 1 is a diagram showing a state in which painting is applied without masking, Figure 2 is a vertical cross-sectional view of a conventional nozzle, Figure 3 is a front view of a conventional nozzle, and Figure 4 is a nozzle according to the present invention. 5 is a front view of a nozzle according to the present invention, FIG. 6 is an enlarged view of section A in FIG. 4, and FIG. 7 is a vertical sectional view of a nozzle according to another embodiment. In addition, in the drawing, 1 is a spray gun, 2 is a nozzle, and 3 is a spray gun.
is the surface to be painted, 4 is the paint, 5 is the nozzle main body, 6 is the flow path, 6a is the dome-shaped recessed hole, 6b is the flow path cylindrical part, 7
8 is an orifice type nozzle, 9 is a boundary portion, and 10 is a narrow narrow groove.

Claims

[Scope of Claim for Utility Model Registration] (1) The tip of the paint flow path in the nozzle main body is a dome-shaped recessed hole, and a V-shaped cut groove is bored at the tip of the nozzle main body. In a spray nozzle in which a lip-shaped orifice-shaped nozzle is formed at the intersection of a dome-shaped recessed hole and a dome-shaped recessed hole, the bottom of the V-shaped cut groove is located at the boundary between the cylindrical portion of the paint flow path and the dome-shaped recessed hole. A spray nozzle for painting, characterized in that the spray nozzle is located near the V-shaped cut groove and has a narrow narrow groove extending further rearward from the bottom of the V-shaped cut groove. (2) The bottom of the narrow narrow groove corresponds to the boundary between the cylindrical part of the paint flow path and the dome-shaped recessed hole, or is located at a distance of 5μ or less from the boundary in the front and back direction, and the narrow groove is a narrow groove. 2. The spray nozzle for painting according to claim 1, wherein the bottom portion of the spray nozzle has a rounded shape with a radius of 10 μm or less.