CN214451568U - Take two theftproof electricity helping hand bicycle frames - Google Patents

Abstract

The utility model discloses a take dual theftproof electricity helping hand bicycle frame, including left main limit pipe, right main limit pipe, girder pipe, left vice limit pipe, right vice limit pipe, abdomen section, tail-end, battery case, back goods shelves support, well connecing big board, headstock pipe, direction stopper, U type side tapered end, stamping groove, dual fore shaft, left side main limit pipe and right main limit pipe symmetry splice into annular main limit pipe after with girder pipe welding, left side vice limit pipe one end, each horizontal overlap joint of right vice limit pipe one end weld even on the main limit pipe and the welding of other end simultaneous symmetric distribution to the girder pipe, the main limit pipe comprises the abdomen section and the tail-end of thermoforming. In this way, the utility model provides a take double theftproof electricity helping hand bicycle frame replaces external headstock lock, improves frame self safety protection performance to design double fore shaft, realize the dual theftproof protection to the frame, have compact structure, theftproof performance is strong, be convenient for maintain the grade advantage.

Description

Take two theftproof electricity helping hand bicycle frames

Technical Field

The utility model relates to an electric power assisted bicycle field especially relates to a take dual theftproof electricity helping hand bicycle frame.

Background

The direction stopper that the headstock pipe of traditional electric power assisted bicycle was equipped with simple structure function singleness, if will realize the headstock lock function, need assemble the third party tapered end, lead to the frame integration loose, the theftproof ability is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem of main solution provides a take dual theftproof electricity helping hand bicycle frame, with direction stopper and U-shaped side's tapered end integration to the electricity helping hand bicycle frame on, replace external headstock lock, improve frame self safety protection performance to design dual fore shaft, realize the dual anti-theft protection to the frame, have compact structure, theftproof performance advantage such as strong, the maintenance of being convenient for.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a take two theftproof electricity helping hand bicycle frame, including left main limit pipe, right main limit pipe, girder pipe, left side auxiliary limit pipe, right side auxiliary limit pipe, belly section, tail section, battery case, back goods shelves support, meet big board, headstock pipe, direction stopper, U type square tube tapered end, punching press groove, two locking mouths, left side main limit pipe and right side main limit pipe are welded with girder pipe after symmetrically splicing annular main limit pipe, left side auxiliary limit pipe one end, right side auxiliary limit pipe one end respectively the horizontal overlap joint weld on the main limit pipe and the other end simultaneously symmetric distribution weld to the girder pipe, the main limit pipe comprises the belly section and the tail section of thermoforming, the battery case is hung to the belly section, tail section welding back goods shelves support, belly section and tail section transition position are provided with connect big board, the headstock pipe is welded on the top of girder pipe, headstock pipe lower extreme is provided with the direction stopper, the direction limiting block extends out of a U-shaped square tube lock head along the outer wall of the head tube, and the U-shaped square tube lock head is provided with two stamping grooves to form a double locking opening.

In a preferred embodiment of the present invention, an S-shaped energy-absorbing bracket is welded between the right secondary pipe and the right main pipe, and an S-shaped energy-absorbing bracket is welded between the left secondary pipe and the left main pipe.

In a preferred embodiment of the present invention, the double-locking-hole is provided with a locking-tongue mounting hole in a matching manner.

The utility model has the advantages that: the utility model provides a pair of take double theftproof electricity helping hand bicycle frame, with direction stopper and the integrated electricity helping hand bicycle frame of U-shaped side's tapered end of managing, replace external headstock lock, improve frame self safety protection performance to the double fore shaft of design realizes the dual anti-theft protection to the frame, has advantages such as compact structure, theftproof performance is strong, be convenient for maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic diagram of a preferred embodiment of a bicycle frame with dual anti-theft electric power;

fig. 2 is a structural diagram of a preferred embodiment of the frame of the electric bicycle with dual anti-theft function of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the embodiment of the present invention includes:

a bicycle frame with double anti-theft electric power comprises a left main side tube 1, a right main side tube 2, a main side tube 3, a main beam tube 4, a left auxiliary side tube 5, a right auxiliary side tube 6, a web section 7, a tail section 8, a battery box 9, a rear goods shelf support 10, a middle joint large plate 11, a head tube 12, a direction limiting block 13, a U-shaped square tube lock head 14, a stamping groove 15 and a double locking opening 16, wherein the left main side tube 31 and the right main side tube 32 are symmetrically spliced into the annular main side tube 3 and then welded with the main beam tube 4, one end of the left auxiliary side tube 5 and one end of the right auxiliary side tube 6 are respectively welded on the main side tube 3 in a horizontal lap joint mode, the other ends of the left auxiliary side tube and the right auxiliary side tube 6 are simultaneously and symmetrically distributed and welded to the main beam tube 4, the main side tube 3 consists of the web section 7 and the tail section 8 which are formed in a hot bending mode, the web section 7 is hung with the battery box 9, the tail section 8 is welded with the rear goods shelf support 10, the middle joint large plate 11 is arranged at the transition position of the web section 7 and the tail section 8, the top end of the main beam pipe 4 is welded with a head pipe 12, the lower end of the head pipe 12 is provided with a direction limiting block 13, the direction limiting block 13 extends out of a U-shaped square pipe lock head 14 along the outer wall of the head pipe 12, and the U-shaped square pipe lock head 14 is provided with two stamping grooves 15 to form a double lock opening 16.

An S-shaped energy-absorbing bracket is welded between the right secondary side pipe 6 and the right main side pipe 32, and an S-shaped energy-absorbing bracket is welded between the left secondary side pipe 5 and the left main side pipe 31.

Further, a bolt mounting hole is arranged at the position of the double locking opening 16 in a matching manner.

The embodiment utilizes take double theftproof electric power-assisted bicycle frame make double put electric power-assisted bicycle, must install two automatically controlled spring bolts in spring bolt mounting hole department, must assemble electric power-assisted bicycle handlebar steering spindle to headstock pipe 12, go out on the handlebar steering spindle and install a washer that can strike direction stopper 13 outside, still need install two pairs of locking plates, when the headstock turns to extreme position, the locking plate side can insert in punching press groove 15, automatically controlled spring bolt locks the locking plate in U type square tapered end 14, can realize double theftproof function.

To sum up, the utility model provides a take double theftproof electricity helping hand bicycle frame replaces external headstock lock with direction stopper 13 and the integrated electricity helping hand bicycle frame of U-shaped side's tapered end, improves frame self safety protection performance to design double fore shaft 16, realize the double theftproof protection to the frame, have compact structure, theftproof performance advantage such as strong, the maintenance of being convenient for.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims (3)

1. A bicycle frame with double anti-theft electric power-assisted is characterized by comprising a left main side pipe, a right main side pipe, a main beam pipe, a left auxiliary side pipe, a right auxiliary side pipe, a web section, a tail section, a battery box, a rear shelf support, a middle joint large plate, a head pipe, a direction limiting block, a U-shaped square pipe lock head, a stamping groove and a double locking opening, wherein the left main side pipe and the right main side pipe are symmetrically spliced into an annular main side pipe and then welded with the main beam pipe, one end of the left auxiliary side pipe and one end of the right auxiliary side pipe are respectively welded on the main side pipe in a horizontally lap joint mode, the other end of the left auxiliary side pipe and one end of the right auxiliary side pipe are simultaneously and symmetrically distributed and welded to the main beam pipe, the main side pipe is composed of a web section and a tail section which are formed in a hot bending mode, the battery box is hung on the web section, the tail section is welded with the rear shelf support, the middle joint large plate is arranged at the transition position of the web section and the tail section, the head pipe is welded at the top end of the main beam pipe, the direction limiting block is arranged at the lower end of the head pipe, the direction limiting block extends out of a U-shaped square tube lock head along the outer wall of the head tube, and the U-shaped square tube lock head is provided with two stamping grooves to form a double locking opening.

2. The powered bicycle frame with double anti-theft electric power of claim 1, wherein an S-shaped energy-absorbing bracket is welded between the right auxiliary side pipe and the right main side pipe, and an S-shaped energy-absorbing bracket is welded between the left auxiliary side pipe and the left main side pipe.

3. The powered bicycle frame with double theft prevention functions as claimed in claim 1, wherein the double locking openings are provided with locking bolt mounting holes in a matching manner.

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