TWI694946B - Sliding skateboard dual purpose vehicle - Google Patents

Abstract

The utility model relates to a sliding-slide dual-purpose vehicle, which comprises a front frame unit, a frame unit and a positioning unit. The front frame unit includes a fixed joint seat. The frame unit can be switched between a scooter state and a scooter state relative to the front frame unit. The frame unit includes a curved rod rotatably disposed on the fixed joint seat, and a tread plate connected to the curved rod. The curved rod has a limiting ring groove formed on the outer rod surface and located in the fixed joint seat. The tread plate has a seating surface and a treading surface arranged in reverse. When the frame unit is in the state of the scooter, the riding face is up and the treading face is down, when the frame unit is in the state of the scooter, the treading face is up and the riding face is down. The positioning unit is used for pushing the limiting ring groove against and fixing the curved rod and the fixed joint seat.

Description

Sliding skateboard dual purpose vehicle

The invention relates to a bicycle which can be converted into other types of land vehicles, in particular to a sliding skateboard dual-purpose vehicle.

With the increase of high-rise buildings, the space for children's games decreases year by year, resulting in sensory integration problems of insufficient activity, inconsistent hands and feet, and poor athletic performance. Children's bicycles are the best sensory integration sports recommended by experts. Before a child learns to ride a bicycle, he will first purchase a bicycle (ie, a scooter) that moves on two feet to train the child's sense of balance. When the child learns to ride a bicycle, the scooter is idle and not used. The scooter is another kind of riding tool that children often use, which can let children learn to control the body's center of gravity and promote muscle development, which is quite popular.

Although the scooter and the scooter have the above-mentioned advantages, the cost for users to purchase both is not low and both lack the variability in use.

Therefore, the object of the present invention is to provide a sliding skateboard dual-purpose vehicle with variability in use.

Therefore, the sliding skateboard dual-purpose vehicle of the present invention includes a front frame unit, a frame unit, and a positioning unit.

The front frame unit includes an armrest on the top side for holding, a front wheel that is rotatable on the bottom side, and a fixed joint seat between the armrest 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 includes a curved rod rotatably disposed on the fixed joint seat, a tread plate connected to the curved rod and inclined upward and then downward, and a rear side and a bottom side And the rotatable rear wheel. The curved rod has an outer face and a limit ring groove formed in the outer face and located in the fixed joint seat. The limit ring groove surrounds a center line and has a first end and One second end. The tread plate has a seating surface and a treading surface arranged in reverse. When the frame unit is in the state of the scooter, the frame unit is used for riding, and the riding face is up and the treading face is down, when the frame unit is in the scooter state, the frame unit is used Stepping on, with the stepping face up and the riding face down. The positioning unit can be movably disposed on the curved rod and the fixed joint seat, the positioning unit includes a limit piece passing through the limiting ring groove, and a positioning for fixing the curved rod and the fixed joint seat group. The limiting member is used for pushing against the limiting ring groove, and the positioning group has a positioning rod movably disposed on the fixed joint seat. The positioning rod can move between a fixed position and a release position relative to the fixed joint seat. When the positioning rod is in the fixed position, one end of the positioning rod is pushed against the curved rod, so that the curved rod is positioned It cannot be rotated relative to the fixed joint seat. When the positioning rod is in the release position, the positioning rod disengages from the curved rod, so that the frame unit can rotate in a specific direction relative to the fixed joint seat, and when the frame When the unit is in the state of the scooter, the first end of the limit ring groove pushes against the limit piece, and when the frame unit is in the state of the scooter, the second end of the limit ring groove pushes against the limit Bitware.

The effect of the present invention is that as long as the frame unit is rotated, it can switch between the two different states of the scooter state or the scooter state, and has the functions of a scooter and a scooter. Therefore, the present invention There are changes in use, and users do not need to buy two products.

1 to 4, an embodiment of the sliding skateboard dual-purpose vehicle of the present invention includes a front frame unit 1, a frame unit 2, a positioning unit 3, and a brake unit 4.

The front frame unit 1 includes an armrest 11 on the top side for holding, a vertical tube 12 extending downward from the armrest, a front fork 13 connected to the vertical tube 12, and a rotatable bottom side A front wheel 14 disposed on the front fork 13 and a fixed joint seat 15 disposed on the stand pipe 12 and located between the armrest 11 and the front wheel 14. The fixed joint base 15 has a first joint 151 disposed outside the stand pipe 12 and a second joint 152 intersecting the first joint 151. The first joint 151 surrounds an axis X and defines a first through hole 1510 for the stand pipe 12 to pass through. The second joint 152 surrounds a center line CL and defines a second through hole 1520. The center line CL and the axis X form an angle θ1. In this embodiment, the angle θ1 is 92 degrees. The second connector 152 has a through slot 153 substantially perpendicular to the second through hole 1520 and extending from the bottom side upward to the second through hole 1520, and a substantially parallel to the second through hole 1520 and communicating The horizontal hole 154 of the through slot 153. In this embodiment, the fixed joint base 15 is composed of a three-way pipe 1501 and a sleeve 1502 in two parts, so as to facilitate manufacturing and processing.

The distance from the armrest 11 in the direction of the axis X to the geometric center of the first joint 151 of the fixed joint seat 15 is defined as the first distance D1, and from the geometric center of the first joint 151 in the direction of the axis X The axis of the front wheel 14 is a second distance D2. Preferably, the first distance D1 is greater than the second distance D2 and the ratio is at least greater than 1.5. More preferably, the ratio in this embodiment is 1.8. Therefore, the distance of the force arm can be reduced to effectively reduce the stress acting on the fixed joint seat 15 when the present invention is stressed, and the service life can be improved.

Referring to FIGS. 1 and 8, the frame unit 2 can be switched between a scooter state (see FIG. 1) and a scooter state (see FIG. 8) relative to the front frame unit 1.

Referring to FIGS. 1, 3, 4 and 5, the frame unit 2 includes a curved rod 21, a tread plate 22, a trim cover 23, a rear fork 24, a rear wheel 25, and a cushion 26 . The curved rod 21 is rotatably inserted into the second joint 152 of the fixed joint base 15. The curved rod 21 has a second through hole 1520 extending along the center line CL and passing through the second joint 152 of the second joint 152 The positioning section 211, a connecting section 212 opposite to the positioning section 211, and a curved section 213 connected between the connecting section 212 and the positioning section 211, the connecting section 212 is upward and backward from the curved section 213 It extends obliquely, and the connecting section 212 and the positioning section 211 form an angle θ2 between 100 degrees and 150 degrees. Further, the curved rod 21 has an outer face 214 and an inner face 215 opposite to the outer face 214 and defining a curved hole 210. The positioning section 211 of the curved rod 21 has two anti-drop grooves 2101 formed on the outer face 214 and arranged at 180 degrees in reverse and accommodated in the second through hole 1520, and one formed on the outer face 214 It is located in front of the anti-drop grooves 2101 and accommodated in the limiting ring groove 2102 of the second through hole 1520. Preferably, the limiting ring groove 2102 does not surround the entire circumference and the arc angle is 180 degrees. The limiting ring groove 2102 surrounds the center line CL and has a first end 2103 and a second end 2104 disposed in reverse.

The tread plate 22 has a hollow structure and is sleeved on the connecting section 212 of the curved rod 21, and has an engaging section 221 extending upwardly and backwardly inclined from the curved rod 21, and a downward facing from the connecting section 221 And the main frame section 222 extending obliquely toward the rear, the connecting section 221 is generally hollow and tubular. The main frame section 222 is generally hollow and flat tube-shaped and has a tube 223. Preferably, the connecting section 221 and the main frame section 222 form an included angle θ3, and the included angle θ3 is between 100 degrees and 120 degrees. In detail, the seat plate 22 has a seating surface 224 and a tread surface 225 formed on opposite sides of the main frame section 222, and the seat tube 223 extends obliquely upward from the seating surface 224 . The decorative cover 23 can be detachably covered on the main frame section 222 and the connecting section 221, because the cross section of the main frame section 222 and the connecting section 221 is different, the decorative cover 23 can shield the connection between the two The gap is more beautiful.

The rear fork 24 is connected to the rear end of the main frame section 222 of the tread plate 22. The rear wheel 25 is located on the rear side and is rotatably provided on the bottom side of the rear fork 24. The seat cushion 26 is detachably inserted into the seat tube 223 and passed out from the treading surface 225. The seat cushion 26 is used for a user to ride on. In the present embodiment, the seat cushion 26 is fixed to the seat pipe 223 through a beam ring 261 releasably fastened to the seat pipe 223, but in other variations, the seat cushion 26 can also be designed In order to adjust the height, since the method of adjusting the height is currently a commonly used technology, those with ordinary knowledge in the art can infer the details of the expansion according to the above description, so no more explanation will be given. In yet another variation, the frame unit 2 can omit the seat cushion 26 and form a platform (not shown) that protrudes left and right directly on the seating surface 224 of the main frame section 222 It can ride on the platform, so the seat cushion 26 is not a limitation of the present invention.

Referring to FIGS. 3 to 6, the positioning unit 3 is used to fix the curved rod 21 and the fixed joint seat 15. The positioning unit 3 includes a stopper 31 penetrating the second joint 152 fixed to the fixed joint seat 15. , And a positioning group 32 for fixing the curved rod 21 and the second joint 152. The limiting member 31 is a rod member and is used for sliding connection of the limiting ring groove 2102 of the curved rod 21, thereby, the curved rod 21 is limited to the limited position when rotating with respect to the fixed joint seat 15 The ring groove 2102 rotates within the arc angle. The positioning group 32 has a positioning bar 321 movably inserted through the second joint 152 and used to push against one of the anti-drop grooves 2101 of the curved rod 21, and a positioning bar 321 inserted through the second The horizontal hole 154 of the joint 152 is connected to the positioning rod 321 and the linking rod 322, and a wrench 323 rotatably disposed on the linking rod 322. The linking rod 322 has a cam structure, which can be turned by turning the wrench 323 Pushing the positioning rod 321 against or away from the curved rod 21, because the method of using the cam structure to push or release is currently commonly used technology, those with ordinary knowledge in the art can infer the details of the expansion according to the above description, so no more Instructions.

Referring to FIGS. 3, 5 and 7, the wrench 323 is used to drive the positioning rod 321 to move relative to the fixed joint base 15 between a fixed position (see FIG. 3) and a release position (see FIG. 7 ). As shown in FIG. 3, when the positioning rod 321 is at the fixed position, one end of the positioning rod 321 extends into and pushes against one of the anti-drop grooves 2101 of the curved rod 21, so that the curved rod 21 is positioned However, it cannot be rotated relative to the fixed joint seat 15, so that the frame unit 2 is positioned and cannot be rotated. As shown in FIG. 7, when the positioning rod 321 is in the release position, the positioning rod 321 exits one of the anti-slip grooves 2101 and disengages from the curved rod 21, at this time, the frame unit 2 can be fixed relative to the The joint base 15 rotates to be able to switch between the state of the scooter (see FIG. 1) and the state of the scooter (see FIG. 8).

Referring to FIGS. 1, 3 and 11, the brake unit 4 is disposed on the front frame unit 1 and the frame unit 2 and is used to prevent the rear wheel 25 from rotating. The brake unit 4 includes a brake seat 41 disposed on the rear fork 24 of the frame unit 2, a brake block group 42 installed on the brake seat 41 and used to press and rub the outer tread of the rear wheel 25, a A brake wire 43 for connecting the brake block group 42 and a brake handle 44 connected to the brake wire 43 and provided on the armrest 11. Preferably, the brake seat 41 is an integrally formed structure and has a mounting tube 411 for the brake block group 42 and a soil removing 412 connected to the mounting tube 411 and facing the rear wheel 25, the soil removing 412 It is used to block the splash of mud and sand rolled up by the rear wheel 25 and can keep it clean. More preferably, the brake wire 43 is penetrated by the second joint 152 of the fixed joint seat 15 and is connected to the brake block group 42 via the bent hole 210 of the crank lever 21 and the interior of the tread plate 22, therefore, Most of the brake wires 43 can be hidden, and the appearance is more beautiful.

Further, the brake block group 42 of this embodiment has a lever 421 pivotally connected to the brake wire 43, a mounting lever 422 extending from the lever 421 toward the rear wheel 25, a A brake pad 423 connected to the mounting rod 422 and accommodated in the soil removing 412 and facing the rear wheel 25, and a compressible sleeve of the soil removing 412 and the shift lever 421 in the mounting tube 411 The compression spring 424. When the brake handle 44 is pressed, the brake wire 43 will drive the lever 421 to pivot and the brake pad 423 will move toward the rear wheel 25 and press against the rear wheel 25, thereby preventing the rear wheel 25 rotates to achieve deceleration, and at the same time, the compression spring 424 is pressed to accumulate a potential energy that can push the lever 421 back and drive the brake pad 423 away from the rear wheel 25.

In particular, in this embodiment, the brake unit 4 can also be omitted. The user can also achieve the deceleration effect by rubbing the ground with his feet. Or, in other modified examples, the brake unit 4 can also be provided on the front wheel 14 and the rear wheel 25 at the same time to decelerate more quickly to stop the forward movement of this embodiment.

Thus, referring to FIGS. 2, 3 and 6, when the frame unit 2 is in the state of the scooter, the first end 2103 of the limit ring groove 2102 of the crank lever 21 is pushed against the limit member 31 And one end of the positioning rod 321 extends into and pushes against one of the anti-drop grooves 2101 to achieve positioning, so that the curved rod 21 of the frame unit 2 will not accidentally slip, and the safety is high. With the seating surface 224 of the tread plate 22 facing up and the tread surface 225 facing down, the user can ride on the seat cushion 26 of the frame unit 2 and start sliding with both feet. When the user wants to switch the frame unit 2 from the scooter state to the scooter state, the seat cushion 26 is first detached, and then the wrench 323 (see FIG. 5) of the positioning unit 3 is pulled to drive The positioning rod 321 moves from the fixed position to the release position, so that the frame unit 2 can be rotated. In other variations, the positioning rod 321 of the positioning unit 3 can also use screws and cooperate to change the through-groove 153 into a screw hole, and omit the linking rod 322 and the wrench 323, which can also achieve the positioning rod 321 The same effect of moving between the fixed position and the released position.

9 and FIG. 10, the frame unit 2 is rotated in the direction of the limit ring groove 2102 to the state of the scooter as shown in FIG. 9, at this time, the tread plate 22 is turned 180 degrees and The second end 2104 of the limiting ring groove 2102 is pushed against the limiting member 31, and one end of the positioning rod 321 extends into and pushes against the other anti-off groove 2101 to achieve positioning. At this time, the tread The tread surface 225 of the seat board 22 faces upward and the seating surface 224 faces downward. The user can step on the tread surface 225 with one foot and start the skateboarding activity with the other foot.

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

1. The invention can be used in two different states of the scooter state or the scooter state by rotating the frame unit 2, so it has the variability of use, and has the sense of training balance, limb coordination, and sensory integration , And muscle development.

2. In the present invention, the limit ring groove 2102 is not completely surrounded, so that the frame unit 2 can only be in a specific direction at the angle of the first end 2103 and the second end 2104 of the limit ring groove 2102 The rotation within the range is convenient for the user to know that the frame unit 2 has been rotated to the state of the scooter or the state of the scooter, which is safer and more convenient to use.

3. In this embodiment, the ratio of the first distance D1 and the second distance D2 is at least greater than 1.5 to reduce the distance of the arm to reduce the effect on the fixed joint seat 15 and the curved rod 21 during riding in this embodiment The stress at the connection can increase the service life.

4. When the positioning rod 321 of this embodiment is in the fixed position, one end of the positioning rod 321 extends into and pushes against one of the anti-drop grooves 2101 of the curved rod 21, so that the curved rod 21 is positioned and It cannot be rotated relative to the fixed joint seat 15 to avoid the problem that the crank lever 21 accidentally slips and rotates when riding, and the safety of this embodiment is high.

5. The brake unit 4 of this embodiment can prevent the rear wheel 25 from rotating and have a braking effect, thereby improving the safety of use.

6. In this embodiment, the brake wire 43 is hidden inside the frame unit 2. Therefore, when the state of the scooter and the state of the scooter is switched, the brake wire 43 can be prevented from being repeatedly twisted and damaged. Improve service life.

However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.

1: front frame unit 11: Armrest 12: Standpipe 13: front fork 14: Front wheel 15: fixed joint seat 1501: Tee 1502: casing 151: First connector 1510: First through hole 152: Second connector 1520: Second through hole 153: Groove 154: horizontal hole 2: Frame unit 21: curved rod 210: curved hole 211: Positioning section 2101: Anti-off groove 2102: Limit ring groove 2103: the first end 2104: the second end 212: connection segment 213: Curved section 214: Outer face 215: inner face 22: tread plate 221: Link segment 222: Main frame section 223: Seatpost 224: Ride noodles 225: treading surface 23: Cover 24: rear fork 25: Rear wheel 26: Seat cushion 261: Girdle 3: positioning unit 31: Limit parts 32: positioning group 321: Positioning rod 322: linkage rod 323: Wrench 4: brake unit 41: brake seat 411: Installation tube 412: Extermination 42: Brake block group 421: Lever 422: Mounting rod 423: brake pads 424: Compression spring 43: brake line 44: brake lever CL: Centerline X: axis θ1: angle θ2: angle θ3: included angle D1: First distance D2: Second distance

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a perspective view of an embodiment of the sliding skateboard dual-purpose vehicle of the present invention; 2 is a right side view of the embodiment, illustrating that a frame unit of the embodiment is in a state of a scooter; 3 is an incomplete cross-sectional view of the embodiment, illustrating that a positioning rod of a positioning unit of the embodiment is located at a fixed position; and FIG. 4 is an incomplete partially exploded view of the embodiment; 5 is an incomplete three-dimensional assembly diagram of the embodiment; 6 is an incomplete perspective view illustrating that when the frame unit is in the state of the scooter, a first end of a limit ring groove of a curved rod of the frame unit is pushed against a position of the positioning unit Limit pieces; 7 is a view similar to FIG. 3, illustrating that the positioning lever of the positioning unit is in a release position; 8 is a view similar to FIG. 1, illustrating that the frame unit is in a state of a scooter; 9 is a right side view of the frame unit is located in the state of the scooter; 10 is a view similar to FIG. 6, illustrating that when the frame unit is in the state of the scooter, a second end of the limit ring groove of the crank lever is pushed against the limit member; and FIG. 11 is a plan view illustrating a brake unit of this embodiment.

1: front frame unit

11: Armrest

12: Standpipe

13: front fork

14: Front wheel

15: fixed joint seat

2: Frame unit

21: curved rod

225: treading surface

23: Cover

24: rear fork

25: Rear wheel

26: Seat cushion

261: Girdle

3: positioning unit

4: brake unit

22: tread plate

221: Link segment

222: Main frame section

223: Seatpost

224: Ride noodles

41: brake seat

412: Extermination

423: brake pads

43: brake line

44: brake lever

Claims (10)

A sliding skateboard dual-purpose vehicle, including: a front frame unit, including an armrest on the top side for holding, a front wheel on the bottom side and rotatable, and a fixed joint between the armrest and the front wheel A frame unit, which can be switched between a scooter state and a scooter state relative to the front frame unit, the frame unit includes a curved rod rotatably provided on the fixed joint seat, a connection On the curved lever, a tread plate that extends upward and then downward, and a rotatable rear wheel on the rear side and the bottom side, the curved lever has an outer face, and a formed on the outer A limit ring groove on the face and located in the fixed joint seat, the limit ring groove surrounds a center line and has a first end and a second end arranged in reverse, and the tread plate has a reversely arranged one A riding surface and a treading surface, when the frame unit is in the state of the scooter, the frame unit is used for riding, and the seating surface is facing upwards and the treading surface is down, when the frame unit is in the state of the scooter , The frame unit is used for treading, and the treading surface is facing upward and the riding surface is facing downward; and a positioning unit is movably disposed on the curved rod and the fixed joint seat, the positioning unit includes a limiter, And a positioning group for fixing the curved rod and the fixed joint seat, the limiting member is used for the sliding connection of the limiting ring groove, so that when the curved rod is rotated relative to the fixed joint seat, it will be limited to The limit ring groove rotates within the arc angle range, the positioning group has a positioning rod movably disposed on the fixed joint seat, the positioning rod can be relative to the fixed joint seat between a fixed position and a release position Move, when the positioning rod is at the fixed position, one end of the positioning rod is pushed against the curved rod, so that the curved rod is fixed It cannot be rotated relative to the fixed joint seat. When the positioning rod is in the release position, the positioning rod disengages from the curved rod, so that the frame unit can rotate in a specific direction relative to the fixed joint seat, and when When the frame unit is in the state of the scooter, the first end of the limit ring groove is pushed against the limiter, and when the frame unit is in the state of the scooter, the second end of the limit ring groove is pushed against The limit piece. The sliding skateboard dual purpose vehicle according to claim 1, wherein the fixed joint seat has a first joint extending along an axis, and a second joint intersecting the first joint and extending along the center line, definition The distance from the handrail along the axis to the geometric center of the first joint is a first distance, and from the geometric center of the first joint along the axis to the axis of the front wheel is a second distance, the first A distance is greater than the second distance and its ratio is at least greater than 1.5. The sliding skateboard dual-purpose vehicle according to claim 1, wherein the outer face of the curved rod further has two anti-off grooves, and the anti-off grooves are arranged at 180 degrees in reverse, when the frame unit is in In the state of the scooter, one end of the positioning rod extends into and pushes against one of the anti-slip grooves. When the frame unit is in the state of the scooter, one end of the positioning rod extends into and pushes against the other Out of groove. The sliding skateboard dual-purpose vehicle according to claim 1, wherein the fixed joint seat has a second joint sleeved with the curved rod, the second joint surrounds the center line and defines a section for the curved rod to pass through The second through hole is provided, and the second joint has a through slot perpendicular to the second through hole and extending to the second through hole. The through slot is provided for the positioning rod to be movably disposed. The sliding skateboard dual purpose vehicle according to claim 1, wherein the curved lever has a A positioning section connected to the fixed joint seat, a connecting section opposite to the positioning section and connected to the tread plate, and a bending section connected between the connecting section and the positioning section, the positioning section is formed with the The limiting ring groove, and the angle between the connecting section and the positioning section is between 100 degrees and 150 degrees. The sliding skateboard dual-purpose vehicle according to claim 1, wherein the tread plate has an engaging section extending upwardly and backwardly inclined from the curved rod, and an inclined section extending downwardly and backwardly from the engaging section The main frame section has the riding surface and the treading surface formed on two opposite sides of the main frame section, and the frame unit further includes a seat cushion detachably provided on the seating surface. The sliding skateboard dual-purpose vehicle according to claim 6, wherein the angle between the connecting section and the main frame section is between 100 degrees and 120 degrees. The sliding skateboard dual purpose vehicle according to claim 1, further comprising a brake unit provided on the front frame unit and the frame unit and used to prevent at least one of the front wheel and the rear wheel from rotating. The sliding skateboard dual-purpose vehicle according to claim 8, wherein the brake unit includes a brake pad for pressing and rubbing the rear wheel, and passes through the interior of the front frame unit and the frame unit and can A brake wire for interlocking the movement of the brake pads, and a brake handle connected to the brake wire and provided on the armrest. The sliding skateboard dual-purpose vehicle according to claim 9, wherein the brake unit further includes a brake seat provided on the frame unit, the brake seat has an installation tube for the brake pads, and a The soil is removed from the mounting tube and towards the rear wheel.

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