CN209921516U

CN209921516U - Dual-purpose vehicle for sliding and skating

Info

Publication number: CN209921516U
Application number: CN201920743569.5U
Authority: CN
Inventors: 邱平然
Original assignee: Huanwei Health Technology International Enterprise Co ltd
Current assignee: Huanwei Health Technology International Enterprise Co ltd
Priority date: 2019-03-27
Filing date: 2019-05-22
Publication date: 2020-01-10
Anticipated expiration: 2029-05-22
Also published as: CN111746699A; TWI694946B; TW202035208A

Abstract

A dual-purpose scooter for sliding steps and skateboards comprises a front frame unit, a scooter frame unit and a positioning unit. The front frame unit includes a fixed joint base. The frame unit can be switched between a scooter state and a scooter state relative to the front frame unit. The frame unit comprises a curved bar which can be rotationally arranged on the fixed joint seat and a pedal plate which is connected with the curved bar. The curved bar is provided with a limit ring groove which is formed on the outer bar surface and is positioned in the fixed joint seat. The pedal plate has a seating surface and a stepping surface which are arranged in opposite directions. When the frame unit is in a scooter state, the seating surface faces upward and the stepping surface faces downward, and when the frame unit is in a scooter state, the stepping surface faces upward and the seating surface faces downward. The positioning unit is used for pushing the limiting ring groove and fixing the curved rod and the fixed joint seat. The scooter can be switched between two different states, namely a scooter state or a scooter state, only by rotating the frame unit, so that the scooter has the functions of the scooter and the scooter, has the use variability, and does not need to buy two products.

Description

Dual-purpose vehicle for sliding and skating

Technical Field

The utility model relates to a bicycle that can convert into other types land vehicle especially relates to a dual-purpose car of smooth step slide.

Background

With the increase of high buildings, the space of children games is reduced year by year, so that the problems of insufficient activity, uncoordinated hands and feet and poor sports performance are caused to increase year by year, and children's bicycles are the best sensory integration sports recommended by experts. Before a child learns to ride a bicycle, the child is trained to feel balance by purchasing a bicycle that is stepped on with both feet (i.e., a scooter). After the child learns the bicycle, the scooter is idle and is not used any more. The scooter is another riding tool commonly used by children, so that the children can learn to control the body gravity and promote muscle development, and the scooter is quite popular.

While the scooter and scooter have the advantages described above, the cost for the user to purchase both at the same time is not low and both lack variability of use.

Disclosure of Invention

The utility model aims to provide a dual-purpose vehicle of smooth step and slide board with use variability.

The utility model discloses a dual-purpose car of smooth step scooter contains front truck unit, frame unit, and the positioning unit.

The front frame unit comprises a handrail positioned on the top side and used for holding, a front wheel positioned on the bottom side and capable of rotating, and a fixed joint seat positioned between the handrail and the front wheel. The frame unit can be switched between a scooter state and a scooter state relative to the front frame unit. The frame unit comprises a curved bar which can be rotationally arranged on the fixed joint seat, a pedal plate which is connected with the curved bar and inclines upwards and then downwards, and a rear wheel which is positioned at the rear side, at the bottom side and can rotate. The curved bar is provided with an outer bar surface and a limiting ring groove which is formed on the outer bar surface and is positioned in the fixed joint seat, and the limiting ring groove surrounds a central line and is provided with a first end and a second end which are arranged in an opposite mode. The pedal seat plate is provided with a seating surface and a stepping surface which are arranged in a reverse direction. When the frame unit is in the scooter state, the frame unit is used for sitting with the sitting surface facing upwards and the stepping surface facing downwards, and when the frame unit is in the scooter state, the frame unit is used for stepping with the stepping surface facing upwards and the sitting surface facing downwards. The positioning unit is movably arranged on the curved bar and the fixed joint seat, and the positioning unit comprises a limiting part penetrating through the limiting ring groove and a positioning group used for fixing the curved bar and the fixed joint seat. The limiting piece is used for pushing the limiting ring groove, and the positioning set is provided with a positioning rod movably penetrating through the fixed joint seat. The locating lever can for fixed joint seat removes between fixed position and release position, works as the locating lever is located during the fixed position, the one end of locating lever push support in the knee-lever makes the knee-lever is fixed a position and can not for fixed joint seat rotating, works as the locating lever is located during the release position, the locating lever breaks away from the knee-lever makes the frame unit can for fixed joint seat is with specific direction rotating, and is in when the frame unit the scooter state, the first end of spacing annular push support in the locating part works as the frame unit is in the scooter state, the second end of spacing annular push support in the locating part.

The utility model discloses a dual-purpose car of smooth step scooter, fixed joint seat has the first joint that extends along the axis, and with first joint becomes angle and follows the second that the central line extends connects, the definition by the handrail is followed the direction of axis extremely the distance of the geometric centre of first joint is first distance, and by the geometric centre of first joint is followed the direction of axis extremely the axle center of front wheel is the second distance, first distance is greater than second distance and its ratio are greater than 1.5 at least.

The utility model discloses a dual-purpose car of smooth step scooter, the outer pole face of curved bar still has two anticreep recesses, just the anticreep recess is 180 degrees reverse settings, is in when the frame unit smooth step scooter state, the one end of locating lever is stretched into and is pushed away to one of them the anticreep recess works as the frame unit is in the scooter state, the one end of locating lever is stretched into and is pushed away to another the anticreep recess.

The utility model discloses a dual-purpose car of smooth step scooter, fixed joint seat have cup joint in the second of curved bar connects, the second connects and centers on the central line just defines out the confession the second through-hole that the curved bar was worn to establish, the second connects and has the perpendicular to the second through-hole extends to the groove of wearing of second through-hole, wear the groove confession the movably setting of locating lever.

The utility model discloses a dual-purpose car of smooth step scooter, the curved bar have connect in the location section of fixed joint seat, reverse in the location section just connect in step on the linkage segment of bedplate, and connect in the linkage segment with location intersegmental bending section, the location section is formed with spacing annular, just the linkage segment with the contained angle of location section is between 100 degrees to 150 degrees.

The utility model discloses a dual-purpose car of smooth step scooter, step on the bedplate have by the curved bar up and towards the linking section that the backward slope extends, and by linking section down and towards the body frame section that the backward slope extends, take advantage of the seat with step on the tread and be formed in the double-phase contralateral of body frame section, the frame unit still including demountable set up in take advantage of the seatpad of seat.

The utility model discloses a dual-purpose car of smooth step slide, link up the section with the contained angle of body frame section is between 100 degrees to 120 degrees.

The utility model discloses a dual-purpose car of smooth step and slide still contain set up in the front truck unit with the frame unit just is used for preventing the front wheel with one of them pivoted brake unit at least of rear wheel.

The utility model discloses a dual-purpose car of smooth step scooter, the brake unit is including being used for supporting to press and rub the brake block of rear wheel, the drawing-in the front carriage unit with but the inside of frame unit just interlock the brake cable that the brake block removed, and connect in the brake cable just set up in the brake handle of handrail.

The utility model discloses a dual-purpose car of smooth step scooter, the brake unit still including set up in the brake seat of frame unit, the brake seat has the confession the installation pipe that the brake block set up, and connect in installation pipe and orientation the soil of rear wheel removes.

The beneficial effects of the utility model reside in that: as long as rotate the frame unit, just can be in the smooth step car state or change between these two kinds of different states of scooter state, and have the function of smooth step car and scooter, consequently, the utility model discloses have and use the variability, and the user need not purchase two kinds of products.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of an embodiment of the dual-purpose scooter of the present invention;

FIG. 2 is a right side view of the embodiment illustrating a frame unit of the embodiment in a state of a walker;

FIG. 3 is a fragmentary cross-sectional view of the embodiment illustrating a positioning rod of a positioning unit of the embodiment in a fixed position; and

FIG. 4 is a fragmentary, partially exploded view of the embodiment;

FIG. 5 is a fragmentary perspective assembly view of the embodiment;

fig. 6 is a fragmentary perspective view illustrating a first end of a limiting ring groove of a crank lever of the frame unit pushing against a limiting member of the positioning unit when the frame unit is in the state of the walker;

FIG. 7 is a view similar to FIG. 3 illustrating the detent lever of the detent unit in a released position;

FIG. 8 is a view similar to FIG. 1 illustrating the frame unit in a scooter state;

FIG. 9 is a right side view of the frame unit in the scooter state;

FIG. 10 is a view similar to FIG. 6, illustrating a second end of the limiting ring groove of the knee lever pushing against the limiting member when the frame unit is in the scooter state; and

fig. 11 is a plan view illustrating a brake unit of the embodiment.

Detailed Description

Referring to fig. 1 to 4, an embodiment of the dual-purpose scooter comprises a front frame unit 1, a frame unit 2, a positioning unit 3, and a braking unit 4.

The front frame unit 1 includes a handle 11 located on the top side for holding, a stem 12 extending downward from the handle, a front fork 13 connected to the stem 12, a front wheel 14 located on the bottom side and rotatably disposed on the front fork 13, and a fixed joint 15 disposed between the handle 11 and the front wheel 14 and disposed on the stem 12. The fixed adapter 15 has a first adapter 151 that is disposed outside the standpipe 12, and a second adapter 152 that is angled with respect to the first adapter 151. The first joint 151 surrounds an axis X and defines a first through hole 1510 through which the standpipe 12 passes. The second connector 152 surrounds a center line CL and defines a second through hole 1520, the center line CL and the axis X form an angle θ 1, in this embodiment, the angle θ 1 is 92 degrees. The second connector 152 has a through slot 153 substantially perpendicular to the second through hole 1520 and extending upward from the bottom side to the second through hole 1520, and a cross hole 154 substantially parallel to the second through hole 1520 and communicating with the through slot 153. In this embodiment, the fixed coupling mount 15 is formed by a two-piece combination of a tee 1501 and a ferrule 1502 to facilitate manufacturing.

Defining the distance from the armrest 11 to the geometric center of the first joint 151 of the fixed joint seat 15 along the direction of the axis X as a first distance D1, and the distance from the geometric center of the first joint 151 to the axle center of the front wheel 14 along the direction of the axis X as a second distance D2, preferably, the first distance D1 is greater than the second distance D2 and the ratio thereof is at least greater than 1.5, and more preferably, the ratio is 1.8 in the present embodiment, whereby the distance of the moment arm can be reduced, so as to effectively reduce the stress acting on the fixed joint seat 15 when the utility model is stressed, thereby improving the service life.

Referring to fig. 1 and 8, the frame unit 2 is convertible between a scooter state (see fig. 1) and a scooter state (see fig. 8) with respect to the front frame unit 1.

Referring to fig. 1, 3, 4 and 5, the frame unit 2 includes a crank 21, a pedal plate 22, a trim cover 23, a rear fork 24, a rear wheel 25, and a seat 26. The curved rod 21 is rotatably inserted into the second joint 152 of the fixed joint seat 15, the curved rod 21 has a positioning section 211 extending along the center line CL and passing through the second through hole 1520 of the second joint 152, a connecting section 212 opposite to the positioning section 211, and a bending section 213 connected between the connecting section 212 and the positioning section 211, the connecting section 212 extends upward and backward obliquely from the bending section 213, and an included angle θ 2 between 100 degrees and 150 degrees is formed between the connecting section 212 and the positioning section 211. Further, the curved bar 21 has an outer face 214, and an inner face 215 opposite to the outer face 214 and surrounding a curved hole 210. The positioning section 211 of the curved bar 21 has two anti-slip grooves 2101 formed on the outer bar surface 214 and disposed in 180 degrees opposite directions and received in the second through hole 1520, and a limiting ring groove 2102 formed on the outer bar surface 214 and located in front of the anti-slip grooves 2101 and received in the second through hole 1520. Preferably, the retainer ring groove 2102 does not completely encircle and has an arc angle of 180 degrees. The retaining ring groove 2102 surrounds the centerline CL and has a first end 2103 and a second end 2104 that are oppositely disposed.

The pedal plate 22 is hollow and sleeved on the connecting section 212 of the curved bar 21, and has a connecting section 221 extending from the curved bar 21 in an upward and backward inclined manner, and a main frame section 222 extending from the connecting section 221 in a downward and backward inclined manner, wherein the connecting section 221 is substantially in the shape of a hollow circular tube. The main frame section 222 is generally hollow and flat tubular and has a tube 223. Preferably, the connecting section 221 and the main frame section 222 form an included angle θ 3, and the included angle θ 3 is between 100 degrees and 120 degrees. In detail, the pedal plate 22 has a riding surface 224 and a stepping surface 225 oppositely disposed and formed on opposite sides of the main frame section 222, and the seat tube 223 extends obliquely upward from the riding surface 224. The decoration cover 23 is detachably covered on the main frame section 222 and the connection section 221, and since the main frame section 222 and the connection section 221 have different cross sections, a connection gap between the main frame section 222 and the connection section 221 can be shielded through the decoration cover 23, so that the appearance is attractive.

The rear fork 24 is connected to the rear end of the main frame section 222 of the pedal plate 22. The rear wheel 25 is located at the rear side and is rotatably provided at the bottom side of the rear fork 24. The seat cushion 26 is detachably inserted into the seat tube 223 and passes through the tread surface 225, and the seat cushion 26 is used for a user to sit on. In the present embodiment, the seat cushion 26 is fixed to the seat tube 223 by a collar 261 detachably fastened to the seat tube 223, but in other variations, the seat cushion 26 can be designed to be adjustable in height, and since the height adjustment is a conventional technique, a person skilled in the art can deduce the details of the expansion based on the above description, and therefore the descriptions are not repeated. In still another variation, the seat cushion 26 can be omitted from the frame unit 2, and a platform (not shown) protruding toward the left and right sides is formed directly on the seating surface 224 of the main frame section 222, and the user can sit on the platform, so that the seat cushion 26 is not a limitation of the present invention.

Referring to fig. 3 to 6, the positioning unit 3 is used for fixing the curved bar 21 and the fixed joint seat 15, and the positioning unit 3 includes a limiting member 31 passing through the second joint 152 fixed on the fixed joint seat 15, and a positioning set 32 for fixing the curved bar 21 and the second joint 152. The limiting member 31 is a rod member and is slidably connected to the limiting ring groove 2102 of the curved rod 21, so that the curved rod 21 is limited to rotate within the arc angle range of the limiting ring groove 2102 when rotating relative to the fixed joint seat 15. The positioning set 32 has a positioning rod 321 movably disposed through the through slot 153 of the second connector 152 and used for pushing against one of the anti-falling grooves 2101 of the curved bar 21, a linkage rod 322 disposed through the transverse hole 154 of the second connector 152 and connected to the positioning rod 321, and a wrench 323 rotatably disposed on the linkage rod 322, wherein the linkage rod 322 has a cam structure, and the positioning rod 321 can be pushed against or separated from the curved bar 21 by rotating the wrench 323.

Referring to fig. 3, 5 and 7, the wrench 323 is used to move the positioning rod 321 between a fixing position (see fig. 3) and a releasing position (see fig. 7) relative to the fixed connector base 15. As shown in fig. 3, when the positioning rod 321 is located at the fixed position, one end of the positioning rod 321 extends into and pushes against one of the anti-slip grooves 2101 of the curved rod 21, so that the curved rod 21 is positioned and cannot rotate relative to the fixed joint seat 15, and the frame unit 2 is positioned and cannot rotate. As shown in fig. 7, when the positioning rod 321 is located at the releasing position, the positioning rod 321 exits one of the retaining grooves 2101 to be separated from the curved bar 21, and at this time, the frame unit 2 can rotate relative to the fixed joint seat 15 and can be switched between the scooter state (see fig. 1) and the scooter state (see fig. 8).

Referring to fig. 1, 3 and 11, the brake unit 4 is disposed on the front frame unit 1 and the frame unit 2 and is used for preventing the rear wheel 25 from rotating. The brake unit 4 includes a brake base 41 disposed on the rear fork 24 of the frame unit 2, a brake block group 42 mounted on the brake base 41 and configured to press and rub the tread of the rear wheel 25, a brake cable 43 configured to link the brake block group 42, and a brake handle 44 connected to the brake cable 43 and disposed on the armrest 11. Preferably, the brake base 41 is an integrally formed structure and has a mounting tube 411 for the brake block set 42 to be disposed thereon, and a scraper 412 connected to the mounting tube 411 and facing the rear wheel 25, wherein the scraper 412 is used for preventing mud and sand rolled up by the rear wheel 25 from splashing and keeping clean. Preferably, the brake cable 43 is inserted through the second connector 152 of the fixed connector holder 15 and is connected to the brake block set 42 through the curved hole 210 of the curved lever 21 and the inside of the pedal plate 22, so that most of the brake cable 43 can be hidden and the appearance is beautiful.

Further, the brake block set 42 of the present embodiment has a shift lever 421 pivotally connected to the brake cable 43, a mounting rod 422 extending from the shift lever 421 toward the rear wheel 25, a brake pad 423 connected to the mounting rod 422 and received in the wiper 412 and facing the rear wheel 25, and a compression spring 424 located in the mounting tube 411 and compressively sleeved between the wiper 412 and the shift lever 421. When the brake handle 44 is pressed, the brake cable 43 drives the shift lever 421 to pivot, so as to drive the brake pad 423 to move toward the rear wheel 25 and press and rub against the rear wheel 25, thereby preventing the rear wheel 25 from rotating to achieve the effect of deceleration, and at the same time, the compression spring 424 is pressed to accumulate a potential energy capable of pushing the shift lever 421 to rotate back to drive the brake pad 423 to separate from the rear wheel 25.

It should be noted that, in this embodiment, the braking unit 4 can be omitted, and the user can also achieve the deceleration function by only rubbing the ground with both feet. Alternatively, in another modification, the brake unit 4 may be provided at both the front wheel 14 and the rear wheel 25 to decelerate more quickly and stop the forward movement of the present embodiment.

Thus, referring to fig. 2, 3 and 6, when the frame unit 2 is in the state of the walker, the first end 2103 of the limiting ring groove 2102 of the crank lever 21 pushes against the limiting member 31, and one end of the positioning rod 321 extends into and pushes against one of the anti-slip grooves 2101 to achieve positioning, so that the crank lever 21 of the frame unit 2 cannot accidentally slip, and the safety is high, at this time, the seating surface 224 of the pedal plate 22 faces upward and the pedal surface 225 faces downward, and a user can sit on the seat cushion 26 of the frame unit 2 and start to walk with feet. Before the user wants to switch the frame unit 2 from the scooter state to the scooter state, the seat cushion 26 is detached, and then the wrench 323 (see fig. 5) of the positioning unit 3 is pulled to drive the positioning rod 321 to move from the fixing position to the releasing position, so that the frame unit 2 can be rotated. In another modification, the positioning rod 321 of the positioning unit 3 may be a screw, the through-slot 153 may be a screw hole, the linkage rod 322 and the wrench 323 may be omitted, and the positioning rod 321 may be moved between the fixing position and the releasing position.

Next, referring to fig. 9 and 10, the frame unit 2 is rotated along the direction of the limiting ring groove 2102 to the scooter state shown in fig. 9, at this time, the pedal plate 22 is turned over 180 degrees, the second end 2104 of the limiting ring groove 2102 pushes against the limiting member 31, one end of the positioning rod 321 extends into and pushes against the other anti-falling groove 2101 to achieve positioning, at this time, the stepping surface 225 of the pedal plate 22 faces upward and the seating surface 224 faces downward, and a user can step on the stepping surface 225 and start skateboard activities with another foot.

Through the above description, the advantages of the present embodiment can be summarized as follows:

firstly, the utility model discloses a rotatory frame unit 2 and can be in scooter state or this two kinds of different states of scooter state are used, consequently, have the use variability, and have effects such as training balanced sense, limbs coordinate, sensation unification, and muscle development.

Second, the utility model discloses a limit ring groove 2102 is not all around, and makes frame unit 2 only can be in with specific direction limit ring groove 2102 first end 2103 with the angular range internal rotation of second end 2104 is convenient for let the user learn frame unit 2 has rotated extremely scooter state or scooter state is safer and convenient in the use.

Thirdly, in the present embodiment, the ratio of the first distance D1 to the second distance D2 is at least greater than 1.5, so as to reduce the distance of the moment arm, so as to reduce the stress acting on the joint between the fixed joint seat 15 and the curved bar 21 during riding, thereby improving the service life.

Fourthly, when the positioning rod 321 of the embodiment is at the fixed position, one end of the positioning rod 321 extends into and pushes against one of the anti-dropping grooves 2101 of the curved bar 21, so that the curved bar 21 is positioned and cannot rotate relative to the fixed joint seat 15, and the problem that the curved bar 21 accidentally slips and rotates during riding can be avoided.

Fifth, the brake unit 4 of the present embodiment can prevent the rear wheel 25 from rotating to have a braking effect, thereby improving safety in use.

Sixth, the brake cable 43 is hidden inside the frame unit 2 in this embodiment, so that when the scooter state is switched to the scooter state, the brake cable 43 can be prevented from being damaged due to repeated twisting, and the service life of the brake cable can be prolonged.

The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.

Claims

1. The utility model provides a dual-purpose car of smooth step slide which characterized in that: comprises the following steps:

the front frame unit comprises a handrail positioned on the top side and used for holding, a front wheel positioned on the bottom side and capable of rotating, and a fixed joint seat positioned between the handrail and the front wheel;

a frame unit which can be switched between a scooter state and a scooter state with respect to the front frame unit, the frame unit comprises a curved bar which is rotatablely arranged on the fixed joint seat, a pedal plate which is connected with the curved bar and inclines upwards and then downwards, and a rotatable rear wheel which is positioned at the rear side and at the bottom side, the curved bar is provided with an outer bar surface and a limit ring groove which is formed on the outer bar surface and is positioned in the fixed joint seat, the limit ring groove surrounds the central line and is provided with a first end and a second end which are arranged in reverse, the pedal plate is provided with a riding surface and a stepping surface which are arranged in reverse, when the frame unit is in the scooter state, the frame unit is used for sitting, the sitting surface is upward and the tread surface is downward, when the frame unit is in the scooter state, the frame unit is used for stepping, and the stepping surface faces upwards and the sitting surface faces downwards; and

a positioning unit movably arranged on the curved bar and the fixed joint seat, wherein the positioning unit comprises a limiting part penetrating through the limiting ring groove and a positioning group used for fixing the curved bar and the fixed joint seat, the limiting part is used for pushing the limiting ring groove, the positioning group is provided with a positioning bar movably penetrating through the fixed joint seat, the positioning bar can move between a fixed position and a release position relative to the fixed joint seat, when the positioning bar is positioned at the fixed position, one end of the positioning bar pushes against the curved bar, so that the curved bar is positioned and can not rotate relative to the fixed joint seat, when the positioning bar is positioned at the release position, the positioning bar is separated from the curved bar, so that the frame unit can rotate relative to the fixed joint seat in a specific direction, and when the frame unit is in the state of the sliding vehicle, the first end of the limiting ring groove pushes against the limiting part, and when the frame unit is in the scooter state, the second end of the limiting ring groove pushes against the limiting part.

2. A convertible scooter as claimed in claim 1 wherein: the fixed joint seat is provided with a first joint extending along an axis and a second joint forming an angle with the first joint and extending along the central line, the distance from the armrest along the direction of the axis to the geometric center of the first joint is defined as a first distance, the distance from the geometric center of the first joint along the direction of the axis to the axle center of the front wheel is defined as a second distance, the first distance is greater than the second distance, and the ratio of the first distance to the second distance is at least greater than 1.5.

3. A convertible scooter as claimed in claim 1 wherein: the outer pole face of knee-lever still has two anticreep recesses, just the anticreep recess is 180 degrees reverse settings, is in when the frame unit the scooter state, the one end of locating lever is stretched into and is pushed away in one of them the anticreep recess works as the frame unit is in the scooter state, the one end of locating lever is stretched into and is pushed away in another the anticreep recess.

4. A convertible scooter as claimed in claim 1 wherein: the fixed joint seat is provided with a second joint sleeved on the curved rod, the second joint surrounds the central line and defines a second through hole for the curved rod to penetrate through, the second joint is provided with a penetrating groove which is perpendicular to the second through hole and extends to the second through hole, and the penetrating groove is used for the positioning rod to be movably arranged.

5. A convertible scooter as claimed in claim 1 wherein: the curved bar has connect in the location section of fixed joint seat, reverse to the location section just connect in the linkage segment of step board, and connect in the linkage segment with the crooked section between the location section, the location section is formed with spacing annular, just the linkage segment with the contained angle of location section is between 100 degrees to 150 degrees.

6. A convertible scooter as claimed in claim 1 wherein: the pedal seat plate is provided with a connecting section which is obliquely extended backwards from the curved rod upwards, and a main frame section which is obliquely extended backwards from the connecting section downwards, the riding surface and the pedal surface are formed on two opposite sides of the main frame section, and the frame unit further comprises a seat cushion which is detachably arranged on the riding surface.

7. A convertible scooter as claimed in claim 6, characterized in that: the included angle between the connecting section and the main frame section is between 100 and 120 degrees.

8. A convertible scooter as claimed in claim 1 wherein: the bicycle frame further comprises a brake unit which is arranged on the front frame unit and the bicycle frame unit and is used for preventing at least one of the front wheel and the rear wheel from rotating.

9. A convertible scooter as claimed in claim 8, wherein: the brake unit comprises a brake pad used for pressing and rubbing the rear wheel, a brake cable penetrating through the front frame unit and the frame unit and capable of moving in a linkage manner with the brake pad, and a brake handle connected with the brake cable and arranged on the handrail.

10. A convertible scooter as claimed in claim 9 wherein: the brake unit is characterized by further comprising a brake seat arranged on the frame unit, the brake seat is provided with an installation pipe for the brake pad to be arranged, and a scraper connected to the installation pipe and faces the rear wheel.