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A multi-function baby stroller comprising a headstock tube component, which further comprising a front wheel, a handle and a headstock tube; a frame plate; and a frame tube component further comprising a rear wheel and a frame tube; wherein the headstock tube component and the frame plate are fixed

A multi-function baby stroller comprising a headstock tube component, which further comprising a front wheel, a handle and a headstock tube; a frame plate; and a frame tube component further comprising a rear wheel and a frame tube; wherein the headstock tube component and the frame plate are fixed by a broaching positioning device, the frame plate and frame tube component are removably connected.

대표청구항 ▼

1. A multi-function baby stroller comprising: a headstock tube component, further comprising a front wheel, a handle and a headstock tube;a frame plate; anda frame tube component further comprising a rear wheel and a frame tube;wherein the headstock tube component and the frame plate are fixed by a

1. A multi-function baby stroller comprising: a headstock tube component, further comprising a front wheel, a handle and a headstock tube;a frame plate; anda frame tube component further comprising a rear wheel and a frame tube;wherein the headstock tube component and the frame plate are fixed by a broaching positioning device, the frame plate and frame tube component are removably connected by a swift switching means. 2. The multi-function baby stroller as described in claim 1, wherein the headstock tube further comprises an upper location hole, a lower location hole, an upper location ring and a lower location ring. 3. The multi-function baby stroller as described in claim 2, wherein a sleeve is located at the front end of the frame plate, wherein the sleeve is sheathed on the headstock tube; wherein the sleeve further comprises a groove and the groove further comprises a counter-bore; wherein the distance of the counter bore to the top of the sleeve is the same as the distance of the upper location hole to the upper location ring; wherein the distance of the counter bore to the bottom of the sleeve is the same as the distance of the lower location hole to the lower location ring. 4. The multi-function baby stroller as described in claim 3, wherein the broaching component further comprises a broaching rod, a broaching block, a broaching spring and a broaching handle; wherein the broaching block is fixed on the sleeve; wherein the broaching block further comprises a hole; wherein the shape of the broaching rod is cylindrical and the central part of the cylinder is smaller than the both ends of the cylinder; wherein the end of the broaching rod corresponds with the hole of the broaching block; wherein the other end of the broaching rod corresponds with the location hole of the headstock tube and the counter bore of the sleeve; wherein the broaching spring is sheathed on the broaching rod and it is set between the broaching rod and the broaching block; wherein the broaching rod is fixedly connected with the broaching handle. 5. The multifunctional baby stroller as described in claim 4, wherein the frame plate further comprises a frame plate body and side panels at both sides of the frame plate body; wherein a spindle hole is set on the side panel. 6. The multifunction baby stroller as described in claim 5, wherein the frame tube further comprises a slender tube and a tubular column, wherein the tubular column is located at an end of the slender tube and perpendicular to the slender tube; wherein there is a spindle hole on two undersides of the tubular column; wherein an opening is set on the circumference surface of the tubular column; and wherein a long limit hole is set on the slender tube. 7. The multi-function baby stroller as described in claim 6, wherein the swift switching means further comprises a button, a tension spring, a bracket, a fast disassembly screw arbor, a fast disassembly screw nut, a double lock screw arbor and a double lock screw nut; the double lock screw arbor matches with the spindle hole at the side panels and the spindle hole at the tubular column; the double lock screw arbor is equipped with the double lock screw nut by threaded connection; the long limit hole is located at the button; the distance of the long limit hole to the right end face of the button is same to the distance of the spindle hole on the tubular column to the long limit hole of the slender tube; wherein the double lock screw arbor goes through the long limit hole on the button; wherein the button is inserted into the hole of the circumference surface of the tubular column; wherein the inside of the button is equipped with the tension spring; the bracket is in fixed connection with the frame plate body, wherein a U shaped limit hole is located at the both sides of the bracket; the fast disassembly screw goes through the U shaped limit hole and the long limit hole of the slender tube; and wherein the fast disassembly screw arbor connects with the fast disassembly screw nut by threaded connection. 8. The multi-function baby stroller as described in claim 7, wherein the swift switching means further comprises a plastic bearing which corresponds with the double lock screw arbor, wherein the plastic bearing is set between the underside of the tubular column and the side panel.