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Double wedge lock type folder

A technology of locking and folders, which is applied to foldable bicycles, motor vehicles, bicycles, etc., can solve the problems of nowhere to find the double-wedge-tongue locking folders and hard-to-find folders, etc., and achieves a simple structure Effect

Inactive Publication Date: 2011-12-28
闫利娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although there are many types of bicycle folders on the market at present, it is hard to find a folder that uses

Method used

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  • Double wedge lock type folder
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  • Double wedge lock type folder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] according to figure 1 , figure 2 , the double-wedge locking type folder includes a front part 1, a rear part 2, a handle bolt 3 and a double-wedge part 4;

[0009] The front part 1 is an open box-shaped body that is stamped with a metal sheet into three-sided flanging, and the ends of the flanging on both sides of the opening of the front part 1 each have an ear hole, and the opposite side of the opening of the front part 1 is arranged with three Holes, the middle hole is the penetration hole of the bolt 3 with the handle, the holes on both sides are the guide holes of the double wedge tongue 4, the middle part of the bottom of the box of the front part 1 has a turning ear with a hole, the front part 1 There are shallow notches in the middle and both ends of the edge of the flange;

[0010] The said rear part 2 is stamped with a metal sheet to form a part with a coil on one side and a folded edge on the other side. There are two holes on the folded edge of the said r...

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PUM

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Abstract

The invention discloses a double-wedge-tongue locking folder. The locking folder comprises a front piece, a rear piece, a bolt with a handle and a double-wedge-tongue piece. The double-wedge-tongue locking folder is characterized in that the front piece is formed by stamping a metal sheet into an opened box of which the three sides are flanged; two flanged ends of the opening part of the front piece are respectively provided with an earhole; the opposite edge of the opening part of the front piece are provided with three holes arranged at equal interval; the middle hole is a penetration hole for the bolt with a handle; two side holes are guide holes of the double-wedge-tongue piece; the middle part of the box bottom of the front piece is provided with a flanged ear provided with a hole; the rear piece is a metal sheet stamping piece of which one edge is provided with a coiled ring and the other edge is provided with a flanged edge; the flanged edge of the rear piece is provided with two locking holes; the coiled ring hole of the rear piece and the two earholes of the front piece can be connected in a rotating mode; the bolt with a handle penetrates into the middle hole and is screwed into a screw hole with double wedge tongues; then the bolt penetrates through the flanged earholes of the front piece; the end point of the bolt with a handle is provided with a gasket and a pin; and the two tongue tips of the double wedge tongues penetrate into two guide holes of the front piece.

Description

Technical field: [0001] The invention relates to a bicycle folder, in particular to a double-wedge tongue-locking folder with effective locking and capable of reducing the thickness of punched metal materials. technical background: [0002] Although there are many types of bicycle folders in the market, it is difficult to find the folders that utilize wedge-tongue locking, and the double-wedge-tongue locking type folders with excellent locking effect are nowhere to be found. Invention content: [0003] The object of the present invention is to provide a double-wedge tongue locking folder with convenient locking and opening, effective locking, low cost and good appearance. The object of the present invention is achieved in this way: the double-wedge tongue locking type folder includes a front piece, a rear piece, a handle bolt and a double-wedge tongue piece, and it is characterized in that: the front piece is stamped with a metal sheet to form a three-sided flanging Open ...

Claims

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Application Information

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IPC IPC(8): B62K15/00
Inventor 庞明方
Owner 闫利娟