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A quick-connect coupling for a tube

A technology for quick connection and pipe fittings, used in mechanical equipment, couplings, etc., to solve problems such as improper placement, fixture damage, and the quality impact of locking work.

Inactive Publication Date: 2016-04-13
ESTAB CAILLAU SARL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can cause problems because firstly, the clamp can be destroyed by this type of manipulation and, even if it remains in place, there is a risk that it will not be able to perform its locking function properly afterwards
Second, if the clamp does come off the body, there is a risk of improperly returning it to position, which would then adversely affect the quality of subsequent locking work

Method used

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  • A quick-connect coupling for a tube
  • A quick-connect coupling for a tube
  • A quick-connect coupling for a tube

Examples

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Embodiment Construction

[0029] First, given below figure 1 , which shows a quick-connect joint comprising a main body 10 and a locking clip 12. figure 1 Also shown is the tube 1 with a braking surface, substantially radial, and in this example formed by a bead 1A. The body 10 of the fitting has a fitting cavity 13 . exist figure 1 In , the clamp 12 is shown outside the main body 10 . exist figure 2 , the clamp is in place in the body and it can be seen that the pipe 1 is inserted into the body until its braking surface 1A is outside the locking areas 14A and 14B of the clamp in the installation direction.

[0030] In the example shown, the clamp has two diametrically opposite locking regions, which are arranged symmetrically about the mounting axis A. FIG. Fixture 12 also has a bridge 16 from image 3 As can be more clearly understood in , the bridge 16 is accessible from the outside of the body when the clamp is mounted on said body.

[0031] For the purpose of describing the clamp, the forw...

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PUM

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Abstract

A coupling comprises a body (10) having a fitting cavity (13) for the tube and a locking clip (12) which is retained axially relative to the body and which has a bridge (16) accessible to the outside the body and a locking zone (14A, 14B) in the fitting cavity (13) in order to cooperate with the gripping surface of the tube. The bridge (16) is connected to the locking zones (14A, 14B) by a connecting portion (26A, 27B) presenting a protruded locking projection (27A, 27B) adapted, when a radial tensile is performed on the bridge (16), to cooperate with a locking surface (28A, 28B) integral with the body.

Description

technical field [0001] The invention relates to a quick-connect coupling adapted for axial mounting on a pipe having a substantially radial catch surface, the coupling comprising a body and a locking clip, the body being equipped with a mounting cavity, the locking clip axially Retained on the body and having a bridge accessible from the outside of the body, and a locking region located within the mounting cavity for cooperating with the arresting surface of the pipe. Background technique [0002] Linkers of this type are known, for example, from European Patent Application Nos. 1303724 and 1627172. In the rest state, the locking area of ​​the clamp is at a distance from the axis of the joint, in such a way that when a pipe with a braking surface is inserted into the joint, said locking area catches on the stop of the pipe. on the moving surface. As the tube is inserted, the locking region springs away from the shaft to allow passage of a braking plane behind which it brak...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L37/088F16L37/14
CPCF16L37/088F16L37/144F16L37/0841F16L37/0885
Inventor 法布里斯·普雷福特尼古拉斯·里戈莱
Owner ESTAB CAILLAU SARL
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