Alignment guiding structure for quick coupler

An alignment guiding structure for quick coupler for correcting radial offset existing between a male and a female coupler, the alignment guiding structure comprising a rigid guiding sleeve having a closed engaging end and an open guiding end and internally defining a guiding passage extended between the engaging end and the guiding end;

• the engaging end having an engaging bore communicable with the guiding passage;
• the male coupler being inserted into and assembled to the guiding sleeve via the engaging bore;
• the guiding end defining a guiding bore communicable with the guiding passage and having a free end formed into a beveled guiding surface;
• and wherein the female coupler is guided by the beveled guiding surface at the guiding end of the guiding sleeve to move into the guiding passage and is connectable to the male coupler end to end, wherein a penetrating bore is provided on an outer surface of the guiding sleeve and wherein a locating element is inserted into the guiding passage via the penetrating bore to assemble to the guiding sleeve, and wherein the locating element in the guiding passage limits axial insertion of the male coupler into the guiding passage via the engaging bore of the guiding sleeve.