CN102774464B

CN102774464B - Semicircular locking shaft locked joint type folding handle stem

Info

Publication number: CN102774464B
Application number: CN201210297014.5A
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Chen Dingkai
Priority date: 2012-08-21
Filing date: 2012-08-21
Publication date: 2014-05-14
Anticipated expiration: 2032-08-21
Also published as: CN102774464A

Abstract

The invention discloses a semicircular locking shaft locked joint type folding handle stem, which comprises an upper folding blade, a lower folding blade, an interlocking bolt, a semicircular locking shaft, a wrench, a safety pin, a spring, a positioning pin, a handle stem and an inner stretching pipe, wherein the upper folding blade is a metal stamping of which two sides of stamped into folding sides and the front and rear of two folding sides are provided with holes; the middle of the folding side on one side of the upper folding blade is provided with a hole; the middle of the top of the upper folding blade is provided with a stamped and folded lug, and a hole is formed on the lug; the top surface of the upper folding blade is provided with the handle stem; the lower folding blade is a metal stamping of which one side of rolled into a circle and the other side is stamped into a hook; the bottom of the lower folding blade is provided with the inner stretching pipe; the upper folding blade and the lower folding blade are connected through the interlocking bolt; the wrench is connected with the semicircular locking shaft; the semicircular locking shaft is connected with the upper folding blade and is locked with the lower folding blade; the safety pin is connected with a central hole and a lug hole of the folding side of the upper folding blade in a sliding mode; a notch of the safety pin is matched with the wrench, and rotation of the wrench can be controlled.

Description

Semicircle lock shaft interlocking formula foldable bar vertical pipe

Technical field

The present invention relates to a kind of foldable bar vertical pipe, particularly a kind of interlocking and open semicircle lock shaft interlocking formula foldable bar vertical pipe fast and easily.

Technical background

The kind of foldable bar vertical pipe is in the market more, but interlocking and open that foldable bar vertical pipe is rarely found fast and easily, the design people formerly designed a kind of upper wrench semi-circle locking type folder, and had solved folder interlocking and opened problem fast and easily, this architectural feature is applied on foldable bar vertical pipe, can allow equally foldable bar vertical pipe interlocking and open efficient and convenient.

Summary of the invention

The object of the invention is to provide a kind of interlocking and open semicircle lock shaft interlocking formula foldable bar vertical pipe fast and easily, the object of the present invention is achieved like this: semicircle lock shaft interlocking formula foldable bar vertical pipe, comprises folding leaf, lower folding leaf, to lock bolt, semicircle lock shaft, spanner, safety plug, spring, tommy, handle riser and inside extending tube, is characterized in that: folding upper leaf is that both sides strike out wavy flanging, the front and back of two wavy flangings are with the metal stamping in a hole, and the centre of the wavy flanging of folding upper leaf one side is also with a square hole, and the centre of folding upper leaf end face is also with washing off curved lug, on lug, be with square hole, the end face of folding upper leaf connects handle riser, and folding inferior lobe is to be rolled into cast on one side, another side strikes out the metallic stamping pieces of hook-type, the bottom surface of folding inferior lobe connects inside extending tube, to the barrel of lock bolt be penetrated in folding upper two metapores of leaf and the circle hole of folding inferior lobe, be fastened to locating in the barrel of lock bolt with bolt again, wrench is fixedly connected with of semicircle lock shaft, and semicircle lock shaft penetrates two front holes of folding upper leaf, use again Bolt to position, the inner side phase interlocking of semicircle lock shaft and folding inferior lobe hook-type, safety plug is umbrella shape, one notch is arranged at umbrella shape top, and safety plug is penetrated to the square hole in the middle of folding upper leaf waveform flanging, penetrate again spring, penetrate in the lug square hole of folding upper leaf again, then be fixed on the neck of safety plug with tommy, the notch of safety plug coordinates with spanner, can control the rotation of spanner.

The invention has the beneficial effects as follows: this invention is simple in structure, interlocking is ingenious quick, allow user use not folding loaded down with trivial details sensation.

Accompanying drawing explanation

Fig. 1 is structure of the present invention and profile schematic diagram.

Fig. 2 is folding effect figure of the present invention.

In figure: 1---folding upper leaf, 2---folding inferior lobe, 3---to lock bolt, 4---semicircle lock shaft, 5---spanner, 6---safety plug, 7---spring, 71---pin, 8---handle riser, 9---inside extending tube.

The specific embodiment

According to Fig. 1, Fig. 2, described semicircle lock shaft interlocking formula foldable bar vertical pipe, comprises folding leaf 1, lower folding leaf 2, to lock bolt 3, semicircle lock shaft 4, spanner 5, safety plug 6, spring 7, tommy 71, handle riser 8 and inside extending tube 9;

Described folding upper leaf 1, that both sides strike out the front and back of wavy flanging, two wavy flangings with the metal stamping in a hole, the centre of the wavy flanging of described folding upper leaf 1 one side is also with a square hole, square hole is also with washing off on curved lug, lug in the centre of described folding upper leaf 1 end face, a gap is also respectively with at the edge, middle part of two wavy flangings of described folding upper leaf 1, the end face welding handle riser 8 of described folding upper leaf 1.

Described folding inferior lobe 2, it is the metallic stamping pieces that is rolled on one side cast, another side and strikes out hook-type, a convex shoulder is respectively with in the centre of described folding inferior lobe 2 cast two adjacent sides, two convex shoulders of described folding inferior lobe 2 are corresponding with the gap of described folding upper 1 liang of wavy flanging of leaf, the middle with hole of described folding inferior lobe 2 bottom surfaces, the bottom surface of described folding inferior lobe 2 connects inside extending tube.

Described is made up of a barrel and a bolt lock bolt 3, the described barrel to lock bolt 3 is penetrated in described folding upper two metapores of leaf 1 and the circle hole of described folding inferior lobe 2, then be fastened in described barrel and locate with bolt.

It is circle that described spanner 5 is one, circular Intermediate Gray semicircle orifice, round end connects the Al squeezing material sliced pieces of arcwall face, the semicircle orifice of described wrench 5 is riveted on of semicircle lock shaft 4, described semicircle lock shaft 4 is blanks of a semicircle steel rolling section bar, one described of semicircle lock shaft is riveted on the semicircle orifice of described spanner 5, the end points of other end has tapped bore, described semicircle lock shaft 4 penetrates two front holes of described folding upper leaf 1, use again Bolt to position in the screw of described semicircle lock shaft 4, the inner side phase interlocking of described semicircle lock shaft 4 and described folding inferior lobe 2 hook-types.

Described safety plug 6 is one to be umbrella shape, the umbrella shape top Al squeezing material sliced pieces with a notch, the neck of described safety plug 6 umbrella shapes has a pin-and-hole, described safety plug 6 is penetrated to the middle square hole of described folding upper leaf 1 waveform flanging, penetrates spring 7 again, penetrates in the lug square hole of folding upper leaf 1 again, be fixed on again the pin-and-hole of described safety plug 6 necks with pin 71, the notch of described safety plug 6 coordinates with described spanner 5, can control the rotation of described spanner 5.

Described handle riser 8 is that the top of a pipe, pipe has break slot and is connected with pipe clamp, the bottom of described handle riser 8 and described folding are gone up leaf 1 and are welded, described inside extending tube 9 is bottom band angles of a pipe, pipe, the top of described inside extending tube and described folding inferior lobe 2 are welded, the mesopore of described folding inferior lobe 2 bottom surfaces can coordinate with described inside extending tube 9 by hanging bolt and swollen plug, is fixed on the front fork tube of bicycle front fork.

Claims

1. a semicircle lock shaft interlocking formula foldable bar vertical pipe, comprises folding upper leaf, folding inferior lobe, to lock bolt, semicircle lock shaft, spanner, safety plug, spring, tommy, handle riser and inside extending tube, is characterized in that: folding upper leaf is that both sides strike out wavy flanging, the front and back of two wavy flangings are with the metal stamping in a hole, and the centre of the wavy flanging of folding upper leaf one side is also with a square hole, and the centre of folding upper leaf end face is also with washing off curved lug, on lug, be with square hole, the end face of folding upper leaf connects handle riser, and folding inferior lobe is to be rolled into cast on one side, another side strikes out the metallic stamping pieces of hook-type, the bottom surface of folding inferior lobe connects inside extending tube, to the barrel of lock bolt be penetrated in folding upper two metapores of leaf and the circle hole of folding inferior lobe, be fastened to locating in the barrel of lock bolt with bolt again, wrench is fixedly connected with of semicircle lock shaft, and semicircle lock shaft penetrates two front holes of folding upper leaf, use again Bolt to position, the inner side phase interlocking of semicircle lock shaft and folding inferior lobe hook-type, safety plug is umbrella shape, one notch is arranged at umbrella shape top, and safety plug is penetrated to the square hole in the middle of folding upper leaf waveform flanging, penetrate again spring, penetrate in the lug square hole of folding upper leaf again, then be fixed on the neck of safety plug with tommy, the notch of safety plug coordinates with spanner, can control the rotation of spanner.

2. semicircle lock shaft interlocking formula foldable bar vertical pipe according to claim 1, it is characterized in that: a gap is also respectively with at the edge, middle part of two wavy flangings of described folding upper leaf, a convex shoulder is respectively with in the centre of described folding inferior lobe cast two adjacent sides, two convex shoulders of described folding inferior lobe are corresponding with the gap of described folding upper leaf two wavy flangings, the middle with hole of described folding inferior lobe bottom surface.

3. semicircle lock shaft interlocking formula foldable bar vertical pipe according to claim 1, it is characterized in that: described spanner is an Al squeezing material sliced pieces for circular, circular Intermediate Gray semicircle orifice, round end connection arcwall face, the semicircle orifice of described wrench is riveted on of semicircle lock shaft, described semicircle lock shaft is the blank of a semicircle steel rolling section bar, and the end points of described semicircle lock shaft other end has tapped bore.

4. semicircle lock shaft interlocking formula foldable bar vertical pipe according to claim 1, is characterized in that: described safety plug is one to be umbrella shape, the umbrella shape top Al squeezing material sliced pieces with a notch, and the neck of described safety plug umbrella shape has a pin-and-hole.

5. semicircle lock shaft interlocking formula foldable bar vertical pipe according to claim 1, is characterized in that: described handle riser is that the top of a pipe, pipe has break slot and is connected with pipe clamp, described inside extending tube is the bottom band angle of a pipe, pipe.