CN103129671A

CN103129671A - Lower tube of electric bicycle

Info

Publication number: CN103129671A
Application number: CN2013100815934A
Authority: CN
Inventors: 姜富军
Original assignee: BAODAO BICYCLE INDUSTRY GROUP Co Ltd
Current assignee: BAODAO BICYCLE INDUSTRY GROUP Co Ltd
Priority date: 2013-03-15
Filing date: 2013-03-15
Publication date: 2013-06-05

Abstract

Provided is a lower tube of an electric bicycle. A combined lower tube of a groove tube and a buckling tube is adopted by the lower tube of the electric bicycle. A longitudinal whole appearance of the lower tube is in a straight shape, an arc shape or other anomalous shapes. An outer appearance of a whole cross section of the lower tube is mainly in the straight shape and the arc shape, and the periphery of the cross section of the lower tube is closed, symmetrical, coordinated, smooth, and even. A section of the groove tube is mainly U-shaped, the groove tube is solid or hollow, when the groove tube is hollow, and the inner wall and the outer wall of the groove tube are connected and are supported through a rib plate or without the rib plate. The thickness of the groove tube is gradually reduced from two ends to the middle so as to enable the groove tube to be light in weight and good in strength. A cross section of the buckling tube is U-shaped or is in other anomalous shapes. Load can be safety borne by the groove tube. The buckling tube is easy to manufacture, can satisfy different modeling and using requirements. A sealed space exists between the groove tube and the buckling tube, and can be used for containing a battery, a controller, a plug-in unit, a wire, a brake cable and the like. Due to the fact that the combined lower tube is adopted to manufacture the electric bicycle, the electric bicycle is low in manufacturing cost, simple in structure, light in weight, long in service life, balanced in weight, comfortable to ride, convenient to use, and novel, special, coordinated, lively, smooth, artistic and elegant in appearance.

Description

Manage under Electrical Bicycle

Technical field

The present invention relates to manage under a kind of Electrical Bicycle.

Background technology

One of Electrical Bicycle main parts size is vehicle frame, and one of vehicle frame main parts size is lower pipe.At present, the vertical dominant shape of known lower pipe is take straight tube or bend pipe as main, and lower tube section is take pipe or oblate pipe as main, and existing be all wholely to manage down.At present, the most of battery case of known Electrical Bicycle is at the seat tube rear portion, and a part of battery-driven car electric wire, brake cable cloth are wanted the ledger line locations in lower tube outside on lower pipe; Also some battery-driven car electric wire, brake cable cloth is in lower pipe pipe, at this moment, will drive in the front and rear part of lower pipe, wire hole, and tapping will be used the stiffener reinforcement.Therefore, more existing Electrical Bicycle outward appearances are not attractive in appearance, manufacturing cost is high, the center of gravity of car is higher, rear wheel load is bigger than normal, use is inconvenient.

Summary of the invention

In order to overcome the deficiency of existing Electrical Bicycle, the invention provides under the automobile-used compound type of a kind of electrical salf-walking and manage.

The technical scheme that its technical matters of invention solution adopts is:

Under compound type, pipe is made of barrel and button pipe, and the button pipe thread is combined in the barrel top.

Under compound type, the vertical overall appearance shape of pipe is take straight shape, arc as main.

Under compound type, pipe global sections profile be circular, oblate or other is special-shaped, under compound type the tube section periphery closed, symmetrical, coordinate, smooth, even.

The barrel cross section, take U-shaped as main, barrel is real core or hollow with metallic material or composite material manufacturing, barrel, when hollow, have between inwall and outer wall or supports without link of boards.

Barrel thickness is reduced to the centre gradually by the limit, up and down, reduces weight to reach, puies forward high-intensity purpose.

The button tube section is U-shaped or other abnormity, and button pipe plastic or other material are made.

The space that a sealing is arranged between barrel and button pipe.

The invention has the beneficial effects as follows, under compound type, tube section periphery closure, symmetrical, coordination, smooth, even, can have abundant moulding; Barrel can bearing load, guarantees that vehicle frame is safe and reliable; The button pipe manufacturer is simple and easy, can satisfy various moulding and user demand.

Adopt the Electrical Bicycle of pipe manufacturer under compound type, can easily the parts such as battery, controller, plug-in unit, electric wire, brake cable be placed in lower pipe; Low cost of manufacture, simple for structure, lightweight, life-span length, balanced weight, ride comfortable, easy to use; Profile novelty, uniqueness, coordination, lucid and lively, smooth, attractive in appearance, generous; Has distinct novelty, significant practicality, outstanding creativeness.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 manages front view under compound type.

Fig. 2 is the cross section view along A-A line in Fig. 1.

Fig. 3 is the Electrical Bicycle front view with pipe manufacturer under compound type.

1 barrel, 2 button pipes in figure.

The specific embodiment:

Fig. 1, Fig. 2 show: button pipe 2 is fastened on the top of barrel 1, barrel 1 forms under compound type with button pipe 2 manages, and under compound type, the vertical overall appearance shape of pipe, be arc, under compound type, pipe global sections profile be oblate and other, and cross-sectional shape is closed, symmetrical, coordinate, smooth, even.

Fig. 2 shows: the space of a sealing is arranged, the parts such as the space of this sealing can placing battery, controller, plug-in unit, electric wire, brake cable between barrel 1 and button pipe 2.Barrel 1 is hollow, can have link of boards to support between barrel 1 inwall and outer wall, and barrel 1 wall thickness is reduced to the centre gradually by the limit, up and down, has reached reduction weight, has put forward high-intensity purpose.

Fig. 3 shows: the Electrical Bicycle that adopts pipe manufacturer under compound type, can easily the parts such as battery, controller, plug-in unit, electric wire, brake cable be placed under compound type in pipe, easily manufactured, simple for structure, lightweight, life-span length, balanced weight, ride comfortable, easy to use, profile novelty, uniqueness, coordination, lucid and lively, smooth, attractive in appearance, generous have distinct novelty, significant practicality, outstanding creativeness.

Claims

1. manage under an Electrical Bicycle, comprise barrel, it is characterized in that: adopt under barrel and button pipe compound type and manage, the button pipe thread is combined in the barrel top; Under compound type, the vertical monnolithic case of pipe is take straight shape, arc as main, under compound type, pipe global sections profile is circle, oblate and other is special-shaped, tube section periphery closure, symmetrical, coordination, smooth, even under compound type, the barrel cross section is take U-shaped as main, barrel is real core or hollow with metallic material or composite material manufacturing, barrel, when hollow, have between inwall and outer wall or support without link of boards, barrel thickness is reduced to the centre gradually by the limit, up and down; The button tube section is U-shaped or other abnormity, and button pipe plastic or other material are made; The space of a sealing is arranged between barrel and button pipe, and the space of this sealing is placing battery, controller, plug-in unit, electric wire, brake cable easily; Barrel is bearing load reliably.