CN2496752Y - Bicycle front tube to form trademark pattern or character by body's concave or convex and tripod - Google Patents

Abstract

A head pipe and a tripod with brands and words formed by the concave or the projecting of the body is characterized in that the brand design or words on the column surface of the body of the head pipe of a bicycle and the tripod. The brand design or words on the column surface can be concave or bulgy. The suppressed brand design or words can last long without falling, and the appearance is beautiful, has visual solid levels, and gives people brief and grand feeling.

Description

Recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body

Technical field

The utility model relates to a kind of improved bicycle vehicle head tube and spider, and is particularly recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body.

Background technology

Now, the bicycle trade mark of selling on the market generally all is placed on the vehicle head tube position of bicycle.The most frequently used is with pictorial trademark or literal mint-mark on nameplate, is fixed on the vehicle head tube with rivet or glue then, and the time has been grown the nameplate that has and can come off like this.The bicycle that also has is directly to be coated with pictorial trademark or literal on the vehicle head tube and spider that is imprinted on bicycle with coating or paint, the sticking paper that maybe will be printed on pictorial trademark or literal is attached to vehicle head tube and spider position, and then the lacquer of coated layer of transparent, this form makes the people feel that pictorial trademark or literal lack three-dimension effect sometimes.

Summary of the invention

The purpose of this utility model is to provide a kind of recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body, and pictorial trademark or written form are succinct and firm lastingly.

The purpose of this utility model is achieved in that

A kind of recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body, it is characterized in that on the face of cylinder of bicycle vehicle head tube and spider body, forming pictorial trademark or literal, pictorial trademark or literal can be recessed on the face of cylinder, also can protrude.

Advantage of the present utility model:

The utility model good looking appearance visually has certain three-dimensional level, gives succinct, serious sensation.

Description of drawings

Fig. 1 is a front elevation of the present utility model.

Fig. 2 is the front elevation of the utility model part.

Fig. 3 is the cutaway view of the utility model part.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing.

With reference to Fig. 1, Fig. 2, Fig. 3, be pressed with pictorial trademark or literal 2 recessed or that protrude on vehicle head tube and the spider 1, can be recessed 4 on external cylindrical surface as pictorial trademark or literal 2, also can protrude, this can make with prior design as required.Pictorial trademark or literal 2 can be obtained by processing modes such as cold stamping, casting, die casting and roll extrusion.If adopt the cold-stamped mode, the pictorial trademark of vehicle head tube 1 external cylindrical surface and literal 2 are recessed 4, then can protrude on that inner cylinder face, and the wall thickness 3 of vehicle head tube 1 body do not have too big variation.Owing to will insert front fork vertical bar in the vehicle head tube 1, projecting height on that inner cylinder face just should be restricted, its projecting height should satisfy following formula, promptly (vehicle head tube internal diameter-front fork vertical bar external diameter-protrusion height * 2) 〉=0.2mm can avoid vehicle head tube 1 inboard and front fork vertical bar generation grazing like this.Vehicle head tube and spider 1 are meant vehicle head tube, go up pipe, manage the bicycle main body frame that pipe is welded in reaching down.

Claims (2)

1, a kind of recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body, it is characterized in that on the bicycle vehicle head tube and spider (1) the body face of cylinder, forming pictorial trademark or literal (2), pictorial trademark or literal (2) can be recessed on the face of cylinder, also can protrude.

2, according to claim 1 recessed or protrude vehicle head tube and the spider form pictorial trademark or literal by body, it is characterized in that the projecting height on vehicle head tube (1) inner cylinder face should satisfy formula (vehicle head tube internal diameter-front fork vertical bar external diameter-protrusion height * 2) 〉=0.2mm.

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