CN2217561Y

CN2217561Y - Combined bicycle-frame crossbeam

Info

Publication number: CN2217561Y
Application number: CN 94211816
Authority: CN
Inventors: 伍必翔
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-10
Filing date: 1994-05-10
Publication date: 1996-01-17
Anticipated expiration: 2004-05-10

Abstract

The utility model relates to a combined girder of a vehicle frame, particularly a girder structure of the vehicle frame, and the girder structure of the vehicle frame can be applied to a bicycle, a tricycle or a bike provided with an internal-combustion engine and an electromotor, etc. The utility model is mainly that a girder is designed into left and right opposite two semi-frame bodies according to the characteristic of materials and different requirements, and the two semi-frame bodies can be combined into an integral girder by the connection modes such as welding, adhesion or thread closure, etc. The utility model integrally has the advantages of rapid production and security promotion. The girder structure of the vehicle frame is more suitable for mass production.

Description

The modular vehicle frame crossbeam

The utility model is a kind of modular vehicle frame crossbeam.

Existing bicycle, three-wheel vehicle and the frame beam of the bicycle etc. of electrical motor, combustion engine is housed, employed material has metal species such as aluminum alloy, carbon steel, and non-metal kinds such as engineering plastics, plastic-steel, glass fibre, carbon fiber.Metal species all adopts the part welding manner to engage, and non-metal kinds such as carbon fiber and glass fibre then adopt line body or fibre glass laminates to twine solid and fill making.The big girder construction of metal species engages with welding manner, its composed component complexity, manufacture craft are loaded down with trivial details, welding speed is extremely slow, and the material variation very easily takes place again after the welding, increase the danger of fracture, alloy material more must be through heat treatment process, manufacturing technology is difficult for grasping, increase and manufacture difficulty and cost, the non-metal kind crossbeam then has the cost of manufacture height, the shortcoming that speed of production is slow.

At above-mentioned problems of the prior art, the utility model provides a kind of manufacture craft simple, the big girder construction of compound type with low cost.

The big girder construction of compound type of the present utility model, be the crossbeam of car to be made to cut open be the relative support body of two halves, this two halves support body is provided with joint according to need, hold hole and connection pipe etc., the two halves support body by bonding, weld, screw togather, super sonic or other combination form a unitized frame, and can in the space of two halves support body, install electrical motor or other driver element, make the car body outward appearance more succinctly attractive in appearance.

The utility model adopts the following drawings:

Fig. 1 is the utility model three-dimensional exploded view;

Fig. 2 is the utility model three-dimensional combination figure;

Fig. 3 is the utility model front elevation;

Fig. 4 is the utility model top view;

Fig. 5 is provided with the front elevation of perforation for the utility model.

Below in conjunction with drawings and Examples the utility model is further described;

As Fig. 1 and Fig. 2, be respectively three-dimensional exploded view of the present utility model and assembly drawing, present embodiment is an example with the crossbeam of bicycle or three-wheel vehicle only, mainly with crossbeam 1 according to material property and require different designs to become left and right relative semi-frame car body 11,12, this crossbeam 1 can be various metallic materials such as aluminum alloy, titanium alloy, carbon steel, nickel-chromium steel, engineering plastics, glass fibre or non-metallic material is made, and its material is not as long as limited under the requirement that overall construction intensity meets.The big girder construction of the utility model modular vehicle frame, be that crossbeam 1 one with bicycle or three-wheel vehicle cuts open be two semi-frame bodies 11,12, (simultaneously with reference to Fig. 3 and Fig. 4) this two semi-frames body 11,12 can be made into hollow form as big girder construction, in order to alleviate overall weight, and can ccontaining electrical motor, mechanisms such as driver element, so that the car body outward appearance is succinctly attractive in appearance, two halves support body 11,12 are a relative shape in principle, but might not be symmetrical fully, still need see its each bilge construction function and design, because two halves support body 11,12 are respectively the structure of once-forming, therefore, it is very easy to manufacture, fast, wherein left side semi-frame body 11 and bicycle, three-wheel vehicle is the same, include the joint 13 of accepting handlebar and front-wheel, accept the joint 14 of seat support, accept the joint 15 of stretcher and accept trailing wheel hold hole 16 and in order to connect various terminal 13,14,15 and hold the connection pipe 17 in hole 16,18,19,20,21 formations such as grade, certainly need because of material, demand is different and use the car type difference, also can be with each connector position, and arrange and do suitable change.On second half support body 12, include equally with left side semi-frame body 11 be symmetry joint 22,23,24, hold hole 25 and connection pipe 26,27,28,29,30 etc., so that the two halves support body is formed complete joint and connection pipe.

Above-mentioned two halves support body 11,12 is because of the manufacturing materials difference, variety of way such as can weld or bonding engages, to form a unitized frame crossbeam, therefore structures such as the joint of each one and connection pipe do not need fully more in addition bonding, welding, mode such as chimeric engages, therefore it is very quick to manufacture one-shot forming, reduce a lot of loaded down with trivial details technologies, cost reduces, and especially is fit to produce in enormous quantities.

In addition as shown in Figure 5, the utility model also can be established with relative perforation 31 on two halves support body 11,12, so that screw closure, rivet or alternate manner connect.

Claims

1, the big girder construction of a kind of compound type refers to the frame beam of bicycle especially, it is characterized in that by two halves relative support body and the joint which is provided with, holds the hole and connection pipe constitutes; The two halves support body is formed a unitized frame by bonding, welding, screw closure mode, and can install electrical motor in the space of two halves support body.

2, the big girder construction of compound type according to claim 1 is characterized in that: the joint on the two halves support body, hold the hole and engage with handlebar, front-wheel, seat support, stretcher and trailing wheel respectively.