Releasable tie

A releasable tie (100), comprising a locking head (10) and a strap body (20), the locking head (10) being formed with a window (11), the strap body (20) having a first end (21) and a second end (22), the first end (21) being connected to the locking head (10), the second end (22) being insertable through the window (11) and engageable with the locking head (10) so as to be fixed in position thereto, the releasable tie (100) being characterized in that:

• the locking head (10) comprises a base plate (12), a pair of first side walls (13), a second side wall (14), and an operating rod (15), the base plate (12) being formed with the window (11) of the locking head (10) and having a front end (121) and a rear end (122), the first side walls (13) being provided on two lateral sides of the base plate (12) respectively, the second side wall (14) being provided at the front end (121) of the base plate (12) and having two lateral sides connected to the first side walls (13) respectively, the operating rod (15) being provided above the window (11) of the base plate (12) and having a first top surface (151), the operating rod (15) being bilaterally connected to the first side walls (13) via connecting members (18), there being at least a first engaging tooth (16) provided at a predetermined depth (d) extending vertically downward from the first top surface (151), the first engaging tooth (16) having a second top surface (161), the second top surface (161) defining a first tooth depth (t1), the operating rod (15) comprising an arm (17) extending from the operating rod (15) toward the strap body (20);
• and
• the strap body (20) has a third top surface (23) and a bottom surface (24), wherein the third top surface (23) is closer to the arm (17) of the operating rod (15) than the bottom surface (24) is, the bottom surface (24) being provided with a plurality of second engaging teeth (25) which are engageable with the first engaging tooth (16) of the operating rod (15), the second engaging teeth (25) having a predetermined tooth pitch (p) and a second tooth depth (t2), the first tooth depth (t1) being slightly greater than the second tooth depth (t2), the predetermined depth (d) being greater than the predetermined tooth pitch (p).