Safety buckle

A buckle and safety technology, applied to buckles, fasteners, clothing, etc., can solve the problem of low safety
CN101536823BInactive Publication Date: 2011-07-20ζž—δ½©ε¨Ÿ
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
ζž—δ½©ε¨Ÿ
Publication Date
2011-07-20
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a safety buckle, which comprises a middle member having two relative groove holes; the upper surface and the lower surface of each groove hole are provided with two circular arc-shaped grooves; the safety buckle comprises two connecting pieces; the front end of each connecting piece is provided with an insertion part which can be inserted into one groove hole; each of the upper surface and the lower surface of each insertion part is provided with two protrusions which can be embedded into respective grooves, so that two connecting pieces are mutually locked the middle member and can rotate relative to the middle member within the angle defined by the groove to allow the buckle to automatically release the locking by the pull force acting within the angle range to ensure safety. Moreover, the two groove holes of the middle member and the insertion parts of the two connecting pieces can exchange positions to achieve the same aim.
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Description

technical field

[0001] The invention relates to a safety buckle, in particular to a buckle which can automatically unlock the buckle when a force is applied within a predetermined angle range. Background technique

[0002] US Patent No. 7,069,625 discloses a safety buckle. Such as figure 1 As shown, the safety buckle 60 includes an intermediate member 70 having opposite first insertion portions 71a and second insertion portions 71b, which can be respectively inserted into the first groove 81a and the second connection portion 80b of the first connection member 80a In the second groove hole 81b; Also, the upper and lower surfaces of the first insertion portion 71a and the second insertion portion 71b respectively have two protrusions 72a and 72b, and the inner surfaces of the first groove hole 81a and the second groove hole 81b are provided with There are grooves 82a and 82b, allowing a pair of corresponding protrusions 72a and 72b to be embedded, thus forming a plurality o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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