Abstract:
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.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     The present application claims priority based on Chinese Application No. 201420382010.1 filed Jul. 11, 2014, the disclosure of which is hereby incorporated by reference in its entirety. 
     TECHNICAL FIELD 
     The present application relates to a multifunctional baby stroller. 
     BACKGROUND 
     There are many walkers and skateboards in the current market. When children want own both a walker and a skateboard at the same time, money has to be spent for each of those toys. Bot toys are bought, it can be difficult for people to carry the walker and the skateboard simultaneously. Additionally, it also takes a lot of storage space to store both the walker and the skateboard. 
     What is needed is a baby stroller that will function both as a walker and a skateboard. 
     SUMMARY 
     The present application is directed to a multifunctional baby stroller. 
     A multifunctional baby stroller that can comprise a headstock tube component, a frame plate, a frame tube component, a broaching positioning device and a swift switching means, wherein the headstock tube component can comprise a front wheel, a handle and a headstock tube, wherein the frame tube component can comprise a rear wheel and a frame tube, wherein the headstock tube component and the frame plate are fixed through a broaching positioning device, wherein the frame plate and frame tube component are moveably connected by a swift switching means. 
     An upper location hole, a lower location hole, an upper location ring and a lower location ring are located on the headstock tube, wherein the upper location hole and the lower location hole are located at a same axis and keep a certain distance. The sleeve is located at the front end of the frame plate. The sleeve is sheathed on the headstock tube. The groove is located on the sleeve and the counter bore is located on the groove. The distance of the counter bore to the top of the sleeve is same to the distance of the upper location hole to the upper location ring. The distance of the counter bore to the bottom of the sleeve is same to the distance of the lower location hole to the lower location ring. 
     The broaching component comprises a broaching rod, a broaching block, a broaching spring and a broaching handle. The broaching block is fixed on the sleeve. There is a hole on the broaching block. The shape of the broaching rod is a cylinder. The central cylinder is smaller than the both ends of the cylinder. The end of the broaching rod matches with the hole of the broaching block. The other end of the broaching rod matches with the location hole of the headstock tube and the counter bore of the sleeve. The broaching spring is sheathed in the broaching rod and it is located between broaching rod and broaching block. The broaching rod is fixed connection with the broaching handle. 
     The frame plate comprises a frame plate body and a side panels which are located on the side of the frame plate body. The side panel is equipped with a spindle hole. The frame tube comprises a slender tube and a tubular column which is located at the end of the slender tube. The slender tube is perpendicular to the tubular column. The two underside of the tubular column are equipped with another spindle hole. The circumference surface of the tubular column is equipped with an opening. The slender tube is equipped with a long limit hole. 
     The swift switching means comprises a button, a tension spring, a bracket, a fast disassembly screw arbor, a fast disassembly screw nut, a double lock screw arbor and double lock screw nut. The double lock screw arbor matches with a spindle hole which is located at side panels and another spindle hole which is located at tubular column. The double lock screw arbor is equipped with double lock screw nut by a 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. The double lock screw arbor goes through the long limit hole on the button. The button is insert into the hole of the circumference surface of the tubular column. The inside of the button is equipped with the tension spring. The bracket is fixed connection with the frame plate body. A U shaped hole is located on the both sides of the bracket. The fast disassembly screw goes through the U shaped hole and the long limit hole of the slender tube. The fast disassembly screw arbor connects with the fast disassembly screw nut by threaded connection. 
     The swift switching means comprises a plastic bearing. The plastic bearing matches with the double block screw arbor. The plastic bearing locates between the underside of the tubular and the side panel. 
     It is to be understood that both the foregoing general description and the following detailed description are exemplary only and are not necessarily restrictive of the disclosure as claimed. The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate an embodiment of the disclosure and together with the general description, serve to explain the principle of the disclosure. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       Further features and advantages of the present device, as well as the structure and operation of various embodiments of the present device, will become apparent and more readily appreciated from the following description or the preferred embodiments, taken in conjunction with the accompanying drawing of which: 
         FIG. 1  is an exploded view of a multifunctional baby stroller according to the present application; 
         FIG. 2  is the structure schematic drawing of the broaching positioning device according to the present application; 
         FIG. 3  is the structure schematic drawing of the broaching positioning device according to the present application; 
         FIG. 4  is the 3rd structure schematic drawing of the broaching positioning device according to the present application; 
         FIG. 5  is the structure schematic drawing of the fast disassembly device according to the present application; 
         FIG. 6  is the structure schematic drawing of the fast disassembly device according to the present application; 
         FIG. 7  is the 3rd structure schematic drawing of the fast disassembly device according to the present application; 
         FIG. 8  is the schematic of the multifunctional baby stroller at the state of walker according to the present application; and 
         FIG. 9  is the schematic of the multifunctional baby stroller at the state of skateboard according to the present application. 
     
    
    
     DETAILED DESCRIPTION 
     In the following detailed description, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration specific implementations that may be practiced. These implementations are described in sufficient detail to enable those skilled in the art to practice the implementations, and it is to be understood that other implementations may be utilized and that logical, mechanical, electrical and other changes may be made without departing from the scope of the implementation. The following detailed description is, therefore, not to be taken in a limiting sense. 
     Referring to  FIG. 1  to  FIG. 7 , the present application provides a multifunctional baby stroller that can comprise a headstock tube component  1 , a frame plate  2 , a frame tube component  4 , a broaching positioning device  3  and a swift switching means  5 ; wherein the frame tube component  4  can comprise a rear wheel  42  and a frame tube  41 ; wherein the headstock tube component  1  can comprise a front wheel  11 , a handle  13  and a headstock tube  12 ; wherein an upper location hole, a lower location hole, an upper location ring and a lower location ring are located on the headstock tube  12 ; wherein the upper location hole and the lower location hole are located at a same axis and keep a certain distance from each other; wherein the sleeve  21  is located at the front end of the frame plate  2 ; wherein the sleeve  21  is sheathed in the headstock tube  12  and fit with each other; wherein a groove is located in the sleeve  21  and a counter bore is located at in the groove; wherein the distance of the counter bore to the top of the sleeve  21  is same to 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  21  is same to the distance of the lower location hole to the lower location ring; wherein the frame plate  2  comprises frame plate body  22  and side panels  23  which are located at the side of the frame plate body  22 ; wherein the side panel  23  is equipped with spindle hole; wherein the frame tube  41  can comprise a slender tube  412  and tubular column  411  which is located at the end of the slender tube  412 ; wherein the slender tube  412  is perpendicular to the tubular column  411 ; wherein the two underside of the tubular column  411  are equipped with spindle holes; wherein the circumference surface of the tubular column  411  is equipped with hole; and wherein the slender tube  412  is equipped with long limit hole. 
     The broaching component  3  can comprise a broaching rod  31 , a broaching block  33 , a broaching spring  32  and a broaching handle  34 ; wherein the broaching block  33  is fixed on the sleeve  21 , wherein there is a hole in the broaching block  33 , wherein the shape of the broaching rod  31  is cylindrical, wherein middle part of the cylinder is smaller than the both ends of the cylinder, wherein one end of the broaching rod  31  matches with the hole of the broaching block  33 , wherein one end of the broaching rod  31  matches with the location hole of the headstock tube  12  and the counter bore of the sleeve  21 , wherein the broaching spring  32  is sheathed in the broaching rod  31  and it is located between broaching rod  31  and broaching block  33 , and wherein the broaching rod  33  is fixed connected with the broaching handle  34 . 
     The swift switching means  5  can comprise a bracket  51 , a fast disassembly screw nut  52 , a fast disassembly screw arbor  53 , a tension spring  54 , a plastic bearing  55 , a double lock screw arbor  56 , a button  57  and a double lock screw nut  58 ; wherein the double lock screw arbor  56  corresponds to the spindle hole which located on the side panels  23  and the spindle hole on the tubular column  411 ; wherein the double lock screw arbor  56  corresponds to the double lock screw nut  58  by a threaded connection; wherein the plastic bearing  55  corresponds to the double block screw arbor  56 ; wherein the plastic bearings  55  locate between the underside of the tubular column  411  and the side panel  23 ; wherein the long limit hole is located on the button  57 ; wherein the distance of the long limit hole to the right end face of the button  57  is same to the distance of the spindle hole in the tubular column  411  to the long limit hole end of the slender tube  412 ; wherein the double lock screw arbor  56  goes through the long limit hole in the button  57 ; wherein the button  57  is insert into the hole of the circumference surface of the tubular column  411 ; wherein the inside of the button  57  is equipped with tension spring  54 ; wherein the bracket  51  is fixed connection with the frame plate body  22 ; wherein the U shaped limit hole is located at the both sides of the bracket  51 ; wherein the fast disassembly screw arbor  53  goes through the U shaped hole and the long limit hole of the slender tube  412 ; and wherein the fast disassembly screw arbor  53  connects with the fast disassembly screw nut  52  by threaded connection. 
     Referring to  FIG. 2  to  FIG. 4 , by pulling the broaching handle  34  during the period of operation of the broaching positioning device  3 , and then the broaching rod  31  recedes. When the broaching rod  31  recedes from the upper location hole, the broaching spring  32  compresses. As a result, the frame plate  2  slides with the respect to the headstock tube component  1 . When the underside of the sleeve  21  is in touch with the headstock tube  12 , the lower location hole is aligned with the counter bore of the sleeve. With the pressure from the broaching spring  32 , the broaching rod  31  is inserted into the lower location hole, and the frame plate  2  is fixedly connected with the headstock tube component  1 . 
     Referring to  FIG. 5  to  FIG. 7 , by pushing the button  57  during the operation of the swift switching means  5 , the button  57  pushes the fast disassembly screw arbor  53 . The fast disassembly screw arbor  53  recedes from the U shaped limit hole of the bracket  51 . The frame plate  2  turns with the respect to the swift switching means  5 . When the frame plate  2  reaches the other limit position, the tension spring  54  pushes back the button  57  to the starting position. And then, the fast disassembly screw arbor  53  enters another position for the purpose of limiting. 
     Referring to  FIG. 8  to  FIG. 9 , through the broaching component  3  and the swift switching means  5 , the multifunctional baby stroller transforms from the walker to the skateboard.