CN206654152U - Double-oblique-beam bicycle frame - Google Patents

Abstract

The utility model discloses a diclinic roof beam bicycle frame, include the floorbar, be located the curb girder of floorbar one end, the shaping in the curb girder with the pedal hole of floorbar contained angle department, the other end of floorbar is provided with the back wheel carrier, the curb girder leans on one end to be provided with preceding breeches pipe, preceding breeches pipe with be provided with the entablature between the back wheel carrier, the entablature divide into first boundary beam and second boundary beam, first boundary beam with the welding has the mount between the second boundary beam, be provided with the bottom on the mount with floorbar welded fastening's branch, the hasp is installed to the branch upper end. Has the advantages that: the utility model discloses an upper beam the curb girder with a triangle-shaped structure is constituteed to the floorbar, supports more stably, and is more pleasing to the eye simultaneously, adopts two slender boundary beams, improves visual effect.

Description

A kind of double oblique beams cycle frame

Technical field

The utility model belongs to bicycle art, and in particular to a kind of double oblique beams cycle frame.

Background technology

Cycle frame is the skeleton of bicycle, and its structure farthest determines the correctness of cycling posture And comfortableness.Application No.：201320598790.9 Chinese patent, particular content is：It is a kind of to carry shock-absorbing function voluntarily Vehicle carriage, including front fork sleeve, saddle sleeve pipe, axis sleeve pipe and rear axle crotch, saddle sleeve pipe have vertical beam, front fork sleeve one Side is provided with connects the double oblique beams encircled mutually from beginning to end, and the bending part top of the upper beam in double oblique beams is connected with securing plate, securing plate Be connected with tie-beam between vertical beam, the axis sleeve pipe is located at rear axle crotch lower end, rear axle crotch lower end with double oblique beams Underbeam end is hinged by hinge, and damping spring is connected between institute yoke frame upper end and securing plate.Above-mentioned patent is by whole car Frame is divided into two groups of triangular support structures, and supporting construction is complicated, and easily supports unstable.Therefore, it is necessary to a kind of supporting ＆ stablizing, And cycle frame simple in construction, to solve above-mentioned patent and the deficiencies in the prior art.

Utility model content

The purpose of this utility model is that to solve the above problems and provides a kind of double oblique beams cycle frame.

The utility model is achieved through the following technical solutions above-mentioned purpose：

A kind of double oblique beams cycle frame, including bottom girder, the curb girder positioned at described bottom girder one end, take shape in the curb girder with The pedal hole of the bottom girder angle, the other end of the bottom girder is provided with rear wheel frame, before described top one end of curb girder is provided with Breeches pipe, upper beam is provided between the front fork tube and the rear wheel frame, the upper beam is divided into the first side bar and the second side bar, described Fixed mount is welded between first side bar and second side bar, bottom is provided with the fixed mount and bottom girder welding is solid Fixed pole, the pole upper end are provided with lock.

Further, angle is 120 ° between the bottom girder and the curb girder, and by being welded and fixed.

Further, the first turning and the second turning are formed respectively on first side bar and second side bar, and Two turnings are oppositely arranged.

Further, the lock latches for Quick Release.

Further, the fixed mount is weldingly fixed between first side bar and second side bar, and thereon into Type has the through hole coordinated with the pole.

Further, the pedal hole is internally provided with bearing.

Beneficial effect is：The utility model forms a triangular form knot by the upper beam, the curb girder and the bottom girder Structure, support is more stable, while more attractive in appearance, using two very thin side bars, improves visual effect.

Brief description of the drawings

Fig. 1 is a kind of structural representation of double oblique beams cycle frame described in the utility model；

Fig. 2 is a kind of top view of double oblique beams cycle frame upper beam described in the utility model.

1st, bottom girder；2nd, rear wheel frame；3rd, upper beam, the 301, first side bar, the 302, second side bar, 303, fixed mount, 304, first Turning, the 305, second turning；4th, pole；5th, latch；6th, front fork tube；7th, curb girder；8th, pedal hole.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As Figure 1-Figure 2, a kind of double oblique beams cycle frame, including bottom girder 1, the curb girder 7 positioned at the one end of bottom girder 1, into Type is provided with rear wheel frame 2 in the pedal hole 8 of curb girder 7 Yu the angle of bottom girder 1, the other end of bottom girder 1, and 7 top one end of curb girder is set There is front fork tube 6, be provided with upper beam 3 between front fork tube 6 and rear wheel frame 2, upper beam 3 divides for the first side bar 301 and the second side bar 302, The 1/3 of 302 a diameter of bottom girder 1 of first side bar 301 and the second side bar, it is welded between the first side bar 301 and the second side bar 302 solid Determine frame 303, the pole 4 that bottom is welded and fixed with bottom girder 1 is provided with fixed mount 303, the upper end of pole 4 is provided with lock 5.

Further, angle is 120 ° between bottom girder 1 and curb girder 7, and by being welded and fixed, is adopted between bottom girder 1 and curb girder 7 With fish scale weld seam, the first turning 304 and the second turning 305, and two are formed on the first side bar 301 and the second side bar 302 respectively Turning is oppositely arranged, and lock 5 is that Quick Release latches, and Quick Release latches the assembling speed that can improve bicycle, and fixed mount 303 is welded and fixed Between the first side bar 301 and the second side bar 302, and the through hole coordinated with pole 4 is formed thereon, the inside of pedal hole 8 is set There is bearing.

General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope Defined by appended claims and its effect thing.

Claims (6)

1. a kind of double oblique beams cycle frame, including bottom girder, the curb girder positioned at described bottom girder one end, take shape in the curb girder and institute State the pedal hole of bottom girder angle, it is characterised in that：The other end of the bottom girder is provided with rear wheel frame, described top one end of curb girder Front fork tube is provided with, upper beam is provided between the front fork tube and the rear wheel frame, the upper beam is divided into the first side bar and second Side bar, fixed mount is welded between first side bar and second side bar, be provided with the fixed mount bottom with it is described The pole that bottom girder is welded and fixed, the pole upper end are provided with lock.

A kind of 2. double oblique beams cycle frame according to claim 1, it is characterised in that：The bottom girder and the curb girder it Between angle be 120 °, and by being welded and fixed.

A kind of 3. double oblique beams cycle frame according to claim 1, it is characterised in that：First side bar and described the The first turning and the second turning are formed on two side bars respectively, and two turnings are oppositely arranged.

A kind of 4. double oblique beams cycle frame according to claim 1, it is characterised in that：The lock latches for Quick Release.

A kind of 5. double oblique beams cycle frame according to claim 1, it is characterised in that：The fixed mount is weldingly fixed on Between first side bar and second side bar, and the through hole coordinated with the pole is formed thereon.

A kind of 6. double oblique beams cycle frame according to claim 1, it is characterised in that：The pedal hole is internally provided with Bearing.