CN201580470U - Multifunctional bicycle rear frame - Google Patents

Abstract

The utility model belongs to the improvement of a bicycle component and particularly relates to a multifunctional bicycle rear frame, which comprises a base (17), a support rod (9) and a connecting rod (8), wherein a front side (6) is fixed at the front end of the base (17); handles (5) are fixed at the upper ends of upright posts on two sides of the front side (6); the left surface, the right surface and the rear surface of the base (17) are mounted on the left and right sides (14 and 3) and the rear side (1) movably through connecting rings (4); an upper cover support (11) is mounted on the rear side (1) movably; two split upper covers (12) are mounted at the upper ends of the left and right sides (14 and 3) through connecting rings (4) movably and are supported by the upper cover support (11); a lock rod (7) is mounted on the outer side of the upper part of the front side (6) movably by using two connecting rings (4); and a knob (16) is fixed in the middle of the lock rod (7). The multifunctional bicycle rear frame is convenient to load articles and can also be locked to protect the burglary; and the multifunctional bicycle rear frame is unfolded to provide a comfortable saddle for a child.

Description

The multifunction bicycle after-frame

Technical field

The utility model belongs to the improvement of a kind of parts of bicycle, particularly a kind of multifunction bicycle after-frame.

Background technology

At present, China's bicycle is of a great variety, after-frame generally is planar structure, majority is provided with a spring clip, be used for pressing from both sides goods, people usually adorn a multi-form bicycle basket for convenience in addition before handlebar, sometimes also on after-frame, adorn the stroma that carries small children, bring many inconvenience to people like this.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of and can freight, antitheft, a kind of multifunction bicycle after-frame of the seat that carries small children again.

The technical scheme that the utility model technical solution problem adopts is: a kind of multifunction bicycle after-frame, comprise base, pole, pipe link, be characterized in fixing a preceding nation at the base front end, preceding nation both sides vertical rod upper end fixed handle, the left side of base, right, a left side is adorned versatilely by coupling link in three of backs, right nation and back nation, adorn a loam cake holder in the back nation versatilely, a left side, two loam cakes of splitting are equipped with versatilely by coupling link in the upper end in right nation, loam cake is held by the loam cake holder, preceding nation upper outside is adorned a locking bar versatilely with two coupling links, 90 ° of bent angles are made at the locking bar two ends, locking bar center fixed one handle, in the middle of the back nation bottom and between the base holddown spring is housed, both sides, back nation top are adorned a left side versatilely, a right pull bar, a pull bar other end is provided with hook; Be hooked in the hole between base and the orifice ring, left and right stretcher is adorned versatilely by little axle in two loam cake front end inboards.

The beneficial effects of the utility model are: multifunction bicycle after-frame dress thing is convenient, also can be antitheft under lock and key; Open folding after, can provide a comfortable vehicle seat for child.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 is a multifunction bicycle after-frame front view.

Fig. 2 is the birds-eye view of Fig. 1.

Fig. 3 is the stretcher expansion drawing of Fig. 1.

Among the figure, nation behind the 1-; 2-props up pull bar; The right nation of 3-; The 4-coupling link; The 5-handle; Nation before the 6-; The 7-locking bar; The 8-pipe link; 9-pole; The 10-spring; The holder of 11-loam cake; The 12-loam cake; The 13-stretcher; 14-left side nation; The little axle of 15-; The 16-handle; The 17-base; The 17-1-orifice ring;

The specific embodiment

Embodiment, with reference to accompanying drawing 1～3, the multifunction bicycle after-frame is to fix a preceding nation 6 at base 17 front ends, two ends fixed handle 5 in the 6 both sides vertical rods of preceding nation uses when sitting for child.Left and right, back three of base 17 are equipped with left and right nation 14,3 and back nation 1 versatilely by coupling link 4, and they can rotate 180 degree.Left and right nation adorns two loam cakes of splitting 12 versatilely by coupling link 4 in 14,3 upper ends, can freely overturn; Preceding nation 6 upper outside are adorned a locking bar 7 versatilely with two coupling links 4, and 90 degree bent angles are made at locking bar 7 two ends, and handle 16 of locking bar 7 center fixed is used for rotating rod lock 7, and locking bar 7 usefulness two ends an angle of 90 degrees block left and right nation 14,3.Both sides, back nation 1 top are adorned left and right pull bar 2 versatilely, and pull bar 2 other ends are provided with hook, when sitting child, the hook of a pull bar 2 are hooked in the ring 17-1 hole on the base 17, support and tension back nation 1.Back nation adorns 1 upper end a lid holder 11 versatilely, holds left and right sides loam cake 12.Left and right stretcher 13 is adorned versatilely by little axle 15 in left and right loam cake 12 front end inboards, puts pin when sitting for child.Pipe link 8 is used to be contained in the usefulness on the vehicle frame, and pole 9 is contained on the bicycle rear axle, and two springs 10 are housed between back nation 1 lower end and the base 17, is convenient to the return after back nation 1 opens.

Claims (2)

1. multifunction bicycle after-frame, comprise base (17), pole (9), pipe link (8), it is characterized in that fixing a preceding nation (6) at base (17) front end, preceding nation (6) both sides vertical rod upper end fixed handle (5), the left side of base (17), right, three of backs are adorned left versatilely by coupling link (4), right nation (14,3) and the back nation (1), adorn a loam cake holder (11) in the back nation (1) versatilely, a left side, right nation (14,3) two loam cakes of splitting (12) are equipped with versatilely by coupling link (4) in the upper end, loam cake (12) is held by loam cake holder (11), preceding nation (6) upper outside is adorned a locking bar (7) versatilely with two coupling links (4), locking bar (7) center fixed one handle (16), in the middle of back nation (1) bottom and between the base (17) holddown spring (10) is housed, back nation (1) adorns a left side in the both sides, top versatilely, a right pull bar (2), prop up pull bar (2) other end and be provided with hook, be hooked in the hole between base (17) and the orifice ring (17-1), two loam cakes (12) front end is inboard adorns a left side versatilely by little axle (15), right steps (13).

2. multifunction bicycle after-frame according to claim 1 is characterized in that locking bar (7) two ends make 90 ° of bent angles.

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