| 摘要 |
The present invention relates to a tube coupler which can easily perform a manufacturing process by omitting a direct process for a socket by connecting a easily-processed cocking ring to the socket. The tube coupler includes: a socket body having a jaw at its inner circumference to contact a seal ring; a cocking ring being incorporated with the socket body by a coupling means, and having two grooves where a safety ring for preventing separation and a locking ring are hooked; a nipple having grooves where the safety ring for preventing separation and the locking ring are positioned at its outer circumference in the axial direction; a seal ring inserted into the groove formed by the jaw of the socket body and the inside end of the cocking ring, and pressure-adhered between the outer circumference of the nipple and the inner circumference of the socket body; the locking ring hooked by the edge of a rib formed at the outer circumference of the nipple and the edge of the groove formed at the inner circumference of the cocking ring, for maintaining a hooking state of the nipple; and the safety ring for preventing separation hooked by the edge of another rib formed at the outer circumference of the nipple and the edge of another groove formed at the inner circumference of the cocking ring, for maintaining an interim connection state of the nipple.
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