Title:
TUBE JOINT
Document Type and Number:
Japanese Patent JPH1182847
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a tube joint easy to assemble with a small number of part items. SOLUTION: This tube joint consists of a joint body 2, a connecting locking member 1 and an O-ring 3. A locking pawl 11 for locking a tube is provided on the inner peripheral side of a finger 1a of the connecting locking member 1, and a locking protrusion 12 with a first inclined face 17 formed is provided on the outer peripheral side of the finger 1a. The inner peripheral side of a tube insert opening of the joint body 2 is provided with a locking part 21 with a diameter contracting inclined face 21a formed to come in contact with the first inclined face 17 of the locking protrusion 12, and the inside of the joint body 2 is protrusively provided with a diameter enlarged part 22 with a diameter enlarging inclined face 27 for enlarging the inner diameter of the finger part 1a of the connecting locking member 1 in order to pull out the tube. The diameter enlarging inclined face 27 is inclined toward the center of the joint body 2 from the deep part of the joint body 2 toward the tube insert opening of the joint body 2.
Inventors:
MAEDA MANABU
SENOO HIROSHI
KOBAYASHI SHINICHI
SENOO HIROSHI
KOBAYASHI SHINICHI
Application Number:
JP24257597A
Publication Date:
March 26, 1999
Filing Date:
September 08, 1997
Export Citation:
Assignee:
NICHIRIN KK
International Classes:
F16L21/08; F16L33/00; F16L33/28; F16L37/12; (IPC1-7): F16L37/12; F16L21/08; F16L33/00; F16L33/28
Attorney, Agent or Firm:
Sota Asahina (1 person outside)