JPS626380U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案ノズルの縦断面を表わす模式図
、第２図は本ノズルにおける垂直ずれ角△θを定
議する正面図、第３図Ａ〜Ｃは本考案ノズルにお
ける導糸孔、並びに該導糸孔と流体導入孔との関
係を示す正面図、第３図Ｄ〜Ｅは同じく比較のノ
ズル正面図をそれぞれ示す。 １……流体導入孔、２……導糸孔、３……糸条
、Ｌ_１……前路長、Ｌ_２……後路長、θ……噴射
角、△θ……垂直ずれ角、△φ……重心のずれ。 Fig. 1 is a schematic diagram showing a longitudinal section of the nozzle of the present invention, Fig. 2 is a front view for determining the vertical deviation angle Δθ in the nozzle of the present invention, and Figs. A front view showing the relationship between the thread guide hole and the fluid introduction hole, and FIGS. 3D to 3E respectively show comparative nozzle front views. 1... Fluid introduction hole, 2... Thread guiding hole, 3... Yarn, _L1 ... Front path length, _L2 ... Back path length, θ... Spray angle, Δθ... Vertical deviation angle, △φ……Displacement of center of gravity.

Claims (1)

【実用新案登録請求の範囲】 １ 糸条導糸孔に、流体の主たる噴射方向が糸条
導糸孔の出口側となるように流体導入孔を開口さ
せ、糸条を加圧流体により該流体と共に導糸孔よ
り噴出させて糸条にループ、たるみを形成させる
糸条の流体絡合ノズルにおいて、 該導糸孔断面を丸形形状以外の多辺形形状とし
、該導糸孔断面積Ｓｄと流体導入孔断面積ＳＤと
の断面積比（Ｓｄ／ＳＤ）を１．３〜２．２
５とし、 導糸孔と流体導入孔の重心が一致しておらず、
導糸孔に対する流体導入孔の、噴射角θが２０〜
７５度、垂角ずれ角△θが１０度以下とし、 導糸孔の前路長Ｌ_１が流体導入孔相当直径Ｄｏ
に対し（０．８Ｄｏ／ｓｉｎθ）〜（５Ｄｏ／
ｓｉｎθ）とした、ことを特徴とする絡合ノズル
。 ２ 導糸孔断面を四辺形としたことを特徴とする
実用新案登録請求の範囲第１項記載の絡合ノズル
。 ３ 導糸孔に対する流体導入孔の垂直ずれ角θ_２
が５度以下となしたことを特徴とする実用新案登
録請求の範囲第１項ないし第２項記載の絡合ノズ
ル。[Scope of Claim for Utility Model Registration] 1. A fluid introduction hole is opened in the yarn guiding hole so that the main jetting direction of the fluid is on the exit side of the yarn guiding hole, and the yarn is exposed to the fluid by a pressurized fluid. In the fluid entanglement nozzle for the yarn which is ejected from the yarn guiding hole to form loops and slacks in the yarn, the yarn guiding hole has a cross section of a polygonal shape other than a round shape, and the yarn guiding hole has a cross-sectional area Sd. and the cross-sectional area SD of the fluid introduction hole (Sd/SD) is 1.3 to 2.2.
5, the centers of gravity of the thread guide hole and the fluid introduction hole do not match,
The injection angle θ of the fluid introduction hole with respect to the thread guide hole is 20~
75 degrees, the vertical deviation angle △θ is 10 degrees or less, and the front path length L ₁ of the thread guide hole is the equivalent diameter Do of the fluid introduction hole.
For (0.8Do/sinθ) ~ (5Do/
sin θ). 2. The entangled nozzle according to claim 1, characterized in that the thread guide hole has a quadrilateral cross section. 3 Vertical deviation angle of the fluid introduction hole with respect to the thread guide hole θ ₂
2. The entangled nozzle according to claim 1 or 2, wherein the angle is 5 degrees or less.