KR20080006901A - A ride plaything - Google Patents

Abstract

A riding plaything(such as, a skateboard) is provided to allow a user to install a pair of wheel at a main rotating frame linearly or parallel to each other as the user desires. A riding plaything includes: a main frame(1); a footrest(2); a wheel mount plate(6); a guide pin(6a); an axis hole; an axis inserted into the axis hole; a direction change groove(1c) formed in an arc shape at the main frame; and an operation unit(20) for rotating or fixing the wheel mount plate. The operation unit includes an elevating plate(21); a rotating piece(22); a variable axis(24), a spring(26), a washer(27), and a suspension piece(28) with a groove(28a) into which an edge of the elevating plate is inserted.

Description

A ride plaything}

1 is a perspective view of the footrest open state of the first preferred embodiment of the present invention

2 is an exploded perspective view of the first embodiment of the present invention;

Figure 3 is a bottom view of the first embodiment of the present invention in series and parallel switching state of the wheel

Figure 4 is a perspective view of the footrest open state of the second preferred embodiment of the present invention

5 is an exploded perspective view of a second embodiment of the present invention;

6 is a bottom perspective view of a second embodiment of the present invention;

7 is a cross-sectional view of the coupling state of the second embodiment of the present invention.

Figure 8 is a bottom view of a second embodiment of the present invention in series and parallel switching state of the wheel

Figure 9 is a perspective view of the footrest open state of the third preferred embodiment of the present invention

10 is an exploded perspective view of the third embodiment of the present invention.

11 is a cross-sectional view of the coupling state showing the operating state of the third embodiment of the present invention

12 is a bottom view of a third embodiment of the present invention in a series of parallel and parallel switching state of the wheel

13 is an external perspective view of a fourth preferred embodiment of the present invention.

14 is an exploded perspective view of a fourth embodiment of the present invention;

15 is a cross-sectional view of the fourth embodiment of the present invention.

16 is a bottom view of a fourth embodiment of the present invention, a series and parallel switching state of the wheel

17 is an exploded perspective view of a fifth embodiment of the present invention.

Explanation of symbols used in main part of drawing

100: skateboard 200: quick board

1: main frame 1a: coupling hole

1b: Guidance groove 1c: Directional groove

1d: Stopper protrusion 2: Scaffold

3: hinge 4: binding means

5: Operating space 6: Wheel mounting plate

6a: Guide pin 6b: Stopper

7: Coaxial 7a: Screw

8: Bearing 9: Nut

10: Axis 11: wheels

12: Bracket 12a: protrusion

12b: Stopper groove 13: Shaft

14: direction change pin 20,20 ': means of operation

21: Platform 22: Hoedong-gu

23: Spring 24: Variable shaft

25: Pin 26: Spring

27: washer 28: locking member

28a: groove 30: protective means

30a: Slope 40, 41: Driven gear

42: guide protrusion 43: fixture

44,44 ': Link 44a: Jumping Jaw

45,45 ': Rack 46: Drive shaft

47: Drive gear 48: Guide pin

49: Information Home 50: Spring

51: lifting plate 52: locking member

52a: groove 53: support

53a: Jump 54,57: Support

55: Pin 56, 58: Spring

201: steering wheel 202: wheels

The present invention relates to a game ride, such as a skateboard (skateboard) that is a ride ride installed on the lower side of the mainframe, or a quick board for changing the direction by the handle, and more specifically, two wheels on the mainframe The wheel mounting plate to be combined with the rotating material is combined and these sets of wheels can be changed in series or parallel according to the user's choice.

The skateboard is composed of two wheels installed in parallel before and after the lower side of the long mainframe and four wheels installed in series (called 'inline skateboard'). It has been spotlighted as a lifestyle sport recently because it runs with the feet raised and periodically runs out of the ground.

In such a general configuration, the skateboard, the user puts one foot on the mainframe in order to obtain a driving force for driving, the other foot is tired of the ground.

In the case of skateboards, you can enjoy various stunts and speed depending on the position of the wheels. Especially, if you arrange the wheels in series, you can feel a sense of speed, but it is difficult for an inexperienced person. Difficult to catch, there is a high risk of safety accidents.

In some cases, the arrangement of the wheels may be provided with a skateboard having a serial or parallel configuration. In this case, there are a number of problems such as difficulty in storing and carrying and economical burden due to purchase.

In addition, the quick board which can control the direction by the handle is provided with various configurations such as two-wheel or three-wheel.

Children usually use three wheels, but after a certain time, they use two wheels. In the past, it was difficult to change the position of the wheels.

In the present invention, the present invention has been researched and developed in order to solve the problems of the game play equipment such as the conventional skateboard and quick board.

In other words, in the present invention, the wheels installed on the mainframe are located in the lower side of the mainframe by a simple operation of rotating the wheel mounting plate according to the user's choice by combining the wheel mounting plate coupled to the main frame in a pair. The present invention has been completed with the technical object of the present invention in providing a game play that allows two wheel arrangements to be provided in series or in parallel.

The present invention is a positive improvement of the configuration of the game play combined the wheels before and after the lower side of the main frame, the two wheels installed on the front and rear of the main frame on the wheel mounting plate that is rotatably coupled to the main frame It is characterized in that the arrangement of the wheels is provided in a serial or parallel manner by a simple operation of installing and rotating the wheel mounting plate at the user's choice on the mainframe.

1 is a perspective view showing a step open state of the first preferred embodiment of the present invention, Figure 2 is an exploded perspective view of the first embodiment of the present invention, Figure 3 is a bottom view of the first embodiment of the present invention in series and parallel conversion of the wheel As showing the state diagram,

형으로 절곡 형성된 메인프레임(1)의 상부에 발판(2)을 힌지(3) 및 결속수단(4)을 이용하여 개폐 가능하게 결합하여 작동공간(5)을 형성하고, 메인프레임(1)의 전후측에는 결합공(1a)을 형성한다.That is, the skateboard 100 provided in the present invention is a length and cross-section that can put both feet

Forming the operating space (5) by coupling the footrest (2) to the upper portion of the main frame (1) bent into a shape by using the hinge (3) and the binding means (4) so as to open and close. Coupling holes 1a are formed at the front and rear sides.

The coupling hole (1a) is rotatably coupled to the rotating shaft (7) by the bearing (8) to the rotating shaft (7) to which the wheel mounting plate (6) in contact with the bottom of the main frame (1), and rotates in the main frame (1) To prevent the coaxial shaft 7 from being separated, a screw 7a is formed on the pivot shaft 7 and a nut 9 is coupled thereto so that the pivot shaft 7 is fixed to the main frame 1 in a rotatable state. .

A shaft hole 10 is provided in a symmetrical position in the wheel mounting plate 6 coupled to the pivot shaft 7, and the shaft hole 10 rotates in a bracket 12 in which the wheel 11 is coupled with a pin. Coupling the shaft 13 is freely coupled. In addition, the wheel mounting plate (6) is rotated more safely by forming a guide pin (6a) coupled to the upper guide groove (1b) formed symmetrically to the outside of the coupling hole (1a) of the main frame (1) This is done.

Both side brackets 12 which are coupled to rotate on the shaft hole 10 provided in the wheel mounting plate 6 are integrally formed with projections 12a symmetrically outward from each other, and the direction switching pins are provided on the projections 12a. (14), the turning pin 14 is coupled to the turning groove (1c) formed in an arc shape on the main frame (1) to the wheel mounting plate (6) in accordance with the rotation of the rotation shaft (7) When the wheels 11 are arranged in series or in parallel, the brackets 12 to which the wheels 11 are coupled are rotated so that the traveling direction of the wheels 11 is always maintained in one direction.

In addition, the wheel mounting plate (6) is located on the side of the bracket (12) without interference when the two brackets (12) coupled to rotate on the shaft (13) rotates so that the wheels 11 are arranged in series or in parallel The stopper 6b which can prevent rotation of the bracket 12 is symmetrically installed, and this stopper 6b is formed by bending a part of the wheel mounting plate 6.

The stopper 6b is provided symmetrically with the same width (W) as the width of the bracket 12 to be in close contact with both sides of the bracket 12, the installation position is the side of the wheel mounting plate (1c) It is located outside of 6), and the distance L between both stoppers 6b is also equal to the width of the bracket 12.

The stopper groove 12b is integrally formed on the opposite side of the protruding piece 12a of the bracket 12, and both wheels 11 are rotated by the wheel mounting plate 6 on the lower side of the main frame 1. ) Forms a stopper protrusion (1d) that is embedded in the stopper groove (12b) when arranged in parallel to configure a more securely fixed state in the rotated state of the bracket (12).

On the other hand, the main frame 1 of the present invention is provided with an operating means 20 that can rotate or fix the wheel mounting plate (6).

형으로 절곡 형성된 메인프레임(1)의 상측으로 노출된 회동축(7) 및 가이드핀(6a)에 승강판(21)을 헐거운 상태로 결합하며, 회동축(7) 에는 승강판(21)에 회동 가능하게 결합되어 있는 회동구(22)에 스프링(23)에 의해 탄력 지지되게 결합되는 가변축(24)이 핀(25)으로 결합되며, 회동축(7) 상에는 스프링(26)과 와셔(27)를 결합하여 핀(25)에 의해 승강이 제어되게 함으로 해서 승강판(21)을 메인프레임(1) 측으로 가압하며, 승강판(21)의 가장자리 측에는 메인프레임(1)에 결합되며 +방향으로 승강판(21)이 내입되는 홈(28a)이 형성된 걸림부재(28)를 배치한 구성이다.The actuation means 20 is

The lifting plate 21 is loosely coupled to the rotating shaft 7 and the guide pin 6a exposed to the upper side of the main frame 1 which is bent in a shape, and the lifting plate 21 is attached to the rotating shaft 7. A variable shaft 24 coupled to the pivoting hole 22 that is rotatably coupled by the spring 23 is coupled to the pin 25 by a pin 25, and the spring 26 and the washer are formed on the pivot shaft 7. 27) by the pin 25 to control the lifting by pressing the lifting plate 21 to the main frame (1) side, the edge of the lifting plate 21 is coupled to the main frame (1) in the + direction It is the structure which arrange | positioned the latching member 28 in which the groove 28a in which the elevating plate 21 is inserted is formed.

And the lower and front and rear of the main frame 1 is provided with a protective means 30 for protecting the wheel 11 and the wheel mounting plate 6, the protective means 30 is the end of the main frame (1) In the inclined surface (30a) is formed at a predetermined angle toward the lower side to prevent the wheel 11 and the wheel mounting plate (6) is in contact with the protrusion when contacting the protrusion from the outside.

Figure 4 shows a perspective view of the footrest open state of the second preferred embodiment of the present invention, Figure 5 is an exploded perspective view of the second embodiment of the present invention, Figure 6 is a bottom perspective view of the second embodiment of the present invention, Figure 7 is a present invention 8 is a cross-sectional view of the coupling state of the second embodiment, and FIG. 8 is a bottom view of the second embodiment of the present invention, showing a series and parallel switching state diagram of a wheel.

In applying to the skateboard 100 as in the first embodiment, the rotational operation of the wheel mounting plate 6 is installed on the front and rear sides of the main frame 1 and the two wheels 11 are coupled to the lower side, respectively. It is configured to be made by this one operating means (20 ').

That is, the actuating means 20 'is provided with the driven gears 40 and 40', respectively, on the pivot shaft 7 protruding from the front and rear sides of the main frame 1, and the driven gears 40 and 40 are respectively provided. ') Is guided by guide protrusions 42 protruding from the mainframe 1 and guided by a fixture 43 coupled to the mainframe 1 and driven gears 40 and 40'. A pair of links 44, 44 'is formed to form a rack 45, 45' to be engaged.

Between the driven gears 40 and 40 ', a rack 45 having a drive gear 47 coupled to the drive shaft 46 coupled to the main frame 1 on the links 44 and 44'. 45 'and is engaged with each other, and a guide pin 48 is symmetrically formed on the rear surface of the drive gear 47 to be inserted into the arc-shaped guide groove 49 formed in the main frame 1, The drive shaft 46 and the guide pin 48 exposed downward are coupled to the elevating plate 51 elastically supported by the spring 50 to the main frame 1 side, the main frame on the edge side of the elevating plate 51 The engaging member 52 is arranged to be coupled to (1) and formed with a groove 52a into which the elevating plate 51 is inserted in the + direction.

When the front / rear wheel mounting plate 6 is operated by one actuating means 20 'as in the above embodiment, the wheel 11 may be rotated by an external impact. A support piece 53 having a locking projection 53a formed on the plate 6 is formed to protrude, and the support member 54 is installed on the main frame 1 so as to be rotated by the pin 55, but the pin 55 is disposed. Both ends are pressed to the support piece 53 to the support piece 53 through the spring 56 which is engaged by the main frame 1 and the support 54, the pin 55 also to the upper side of the main frame (1) ) Is extended and the support 57 is also coupled to the locking jaw 44a formed at the outer side of the one-side link 44.

In addition, according to the embodiment, both ends of the wheel mounting plate 6 and the bracket 12 are mounted on the shaft 13 coupled to the bracket 12 on which the wheel 11 coupled to the shaft hole 10 of the wheel mounting plate 6 is installed. The operation of arranging the wheels 11 in series or in parallel in a state in which the bracket 12 is in close contact with the stopper 6b formed by bending the wheel mounting plate 6 through the spring 58 that is engaged with the spring 58 may be engaged. It is configured to be.

9 is a perspective view showing a step open state of the third preferred embodiment of the present invention, Figure 10 is an exploded perspective view of a third embodiment of the present invention, Figure 11 is a cross-sectional view showing a state of operation of the third embodiment of the present invention, Figure 12 is a bottom view of the third embodiment of the present invention, showing a series and parallel switching state diagrams of the wheels, which more firmly constitutes the wheel mounting plate 6 in the first embodiment.

That is, according to the third embodiment of the present invention, the coupling hole 1a formed at the center of the main frame 1 is fitted to the wheel mounting plate 6 and presses the wheel mounting plate 6 toward the main frame 1. The rotating shaft 7 interposed with the spring 15 is fixed to the wheel mounting plate 6 so as to be engaged with the arc-shaped guide groove 1b formed to the outside of the coupling hole 1a. The main frame (1) and the wheel mounting plate (6) is configured to be relaxed when the lifting plate (21 ') is coupled and pressurized to the upper side of the fixedly installed guide pin (6a), and the wheel (11) is coupled to the pin The shaft 13 which couples the bracket 12 to the shaft hole 10 of the wheel mounting plate 6 protrudes toward the main frame 1 and is inserted into the recess 1e formed at equal intervals 90 degrees to the main frame 1. It is configured.

Fig. 13 shows an external perspective view of a fourth preferred embodiment of the present invention, Fig. 14 is an exploded perspective view of the fourth embodiment of the present invention, Fig. 15 is a sectional view of the fourth embodiment of the present invention, and Fig. 16 is a fourth embodiment of the present invention. As a bottom view showing a series of parallel and parallel switching state of the wheel, showing an example in which the game ride is applied to the quick board (200).

It installs the wheel 202 which can be changed in direction by the handle 201 in front of the main frame (1) on which the foot is placed as shown, and to the footrest (2) as described above to the rear of the main frame (1) It forms a working space (5) that is sealed by, coupled to the wheel mounting plate (6) coupled to the pair of wheels 11 to the lower side of the main frame (1), which is coupled to the wheel mounting plate (6) A pair of wheels coupled to the wheel mounting plate 6 by inserting the rotation shaft 7 and the like into the operation space 5 to be rotated by the operation means 20 installed in the operation space 5 ( 11) can be arranged in series or in parallel, which is the same as that of the first embodiment.

17 is an exploded perspective view of a fifth preferred embodiment of the present invention, which is a configuration in which the third embodiment is applied to the quick board 200.

The game play structure of the present invention configured as described above can be applied to the skateboard 100, the quick board 200, or the like, and the arrangement of the wheels 11 can be arranged in series or in parallel. The operation and the like according to each embodiment will be described.

When the skateboard 100 of the first embodiment or the quick board 200 of the third embodiment is used and the arrangement of the wheels 11 is arranged in series or in parallel, first, the scaffold that seals the operating space 5 ( It is only necessary to operate the operation means 20 located in the operating space 5 in the state where 2) is rotated.

The operation of the operating means 20 in the operating space 5 is lifted by the lifting plate 21 in a state in which the turning hole 22 which is first coupled to the lifting plate 21 is rotated, the locking member 28. After the lifting plate 21 is removed from the groove 28a formed in the lifting plate 21, the lifting plate 21 is rotated 90 degrees to release the gripping force, and thus the elastic force of the spring 26 coupled to the rotation shaft 7 is released. As a result, the elevating plate 21 is internally placed and fixed in the groove 28a formed in the locking member 28.

When the lifting plate 21 is rotated as described above, the wheel mounting plate 6 to which the rotation shaft 7 is coupled is rotated together, wherein the guide pin 6a formed on the wheel mounting plate 6 is the main body. The wheel mounting plate 6 is naturally rotated while rotating along the guide groove 1b formed in the frame 1. In addition, the turning pin 14 on the protruding piece 12a protruding to one side of the bracket 12 is moved along the turning groove 1c formed in the main frame 1, in which case the wheel mounting plate 6 The bracket 12 is coupled to the shaft 13 is coupled to the shaft hole 10 formed in the 90 degrees is to be rotated 90 degrees is made to change the direction of the wheel (11).

As described above, there may be shaking of the bracket due to external impact, etc. in the state in which the bracket 12 on which the wheel 11 is installed is rotated, but according to the present invention, the stopper is bent on the wheel mounting plate 6. 6b is symmetrically provided with the same width W as the width of the bracket 12 so as to be in close contact with both sides of the bracket 12, and the side with the turning groove 1c is located outside the wheel mounting plate 6 The distance L between both stoppers 6b is configured to be equal to the width of the bracket 12, so that the bracket 12 can be securely held.

According to the present invention, a stopper protrusion 12b is formed on the opposite side of the protruding piece 12a of the bracket 12 integrally with the bracket 12, and the stopper protrusion formed on the lower side of the main frame 1 by the stopper groove 12b. Since 1d is embedded, the wheel 11 can be more securely held in a state in which the wheels 11 are arranged in parallel.

In addition, according to the present invention, since the protection means 30 having the inclined surface 30a formed in front and rear of the main frame is provided, the obstacle is prevented by the protection means 30 even when bumping with a protruding obstacle in the process of riding the inline skate 100 or the like. Since the wheel (11) does not directly contact the damage to the equipment will be.

When the skateboard 100 of the second embodiment of the present invention is used to arrange the wheels 11 in series or in parallel, first, the lifting plate 51 exposed to the lower side of the main frame 1 is rotated. The actuating means 20 'is actuated.

That is, when the lifting plate 51 is lifted and the lifting plate 51 is removed from the groove 52a formed in the locking member 52, and the lifting plate 51 is rotated 90 degrees, the driving shaft is released. By the elastic force of the spring 50 coupled to the 46 and the guide pin 49, the elevating plate 51 is indented and fixed into the groove 52a formed in the locking member 52.

When the lifting plate 51 is rotated as described above, the drive gear 47 coupled to the drive shaft 46 is rotated 90 degrees while the two links 44 and 44 having the racks 45 and 45 'are formed. ') Is moved, the two driven gears are rotated 90 degrees by the slide operation of the links 44, 44' and the wheels 11 by rotating the wheel mounting plate 6 as in the first embodiment ) Is to be arranged, according to the second embodiment it is possible to quickly and simply change the arrangement of the wheel.

When the present invention is configured as in the third embodiment, the wheel mounting plate 6 can be more firmly fixed. When the wheel mounting plate 6 is rotated, the lifting plate 21 'is lifted. The lifting plate 21 'may be rotated 90 degrees in a pressurized state.

That is, when the lifting plate 21 'is pressed, the wheel mounting plate 6, which has been pressed toward the main frame 1 by the elastic force of the spring 15, is relaxed with the main frame 1, and the main frame 1 Since the shaft 13 is separated from the formed groove 1e, at this time, the lifting plate 21 'may be rotated to change the arrangement of the wheels 11. As such, when the pressing force is released from the elevating plate 21 'in a state in which the arrangement of the wheels 11 is switched, the wheel mounting plate 6 is in close contact with the main frame 1 by the elastic force of the spring 15, and the neighboring grooves The shaft 13 is embedded in 1e so that the wheel mounting plate 6 is firmly fixed.

The present invention configured and acted as described above can be applied to a game playground such as a skateboard 100 or a quick board 200. According to the present invention, the wheels 11 are connected in parallel or in series by a simple operation of a user. Since it can be used to arrange, according to the user's sense of balance, etc. can be arranged in various ways to enjoy a variety of stunt drawing and speed, and to reduce the convenience of storage and portability and the economic burden of purchasing,

When used as a quick board 200 is a very excellent invention that can provide a product that can be used in common for various ages only by the effort of changing the arrangement of the wheel (11).

Claims (11)

Cross section

Type mainframe (1), A footrest (2) sealing the operating space (5) by combining the hinge (3) and the binding means (4) to be opened and closed on the main frame (1), It is coupled to the rotation shaft (7) and the rotation shaft (7), which is freely coupled by the bearing (8) to the coupling hole (1a) formed in the front / rear of the main frame (1) and the bottom surface of the main frame (1) The wheel mounting plate (6) to be interviewed,  A screw 7a formed on the pivot shaft 7 and a nut 9 coupled thereto so that the pivot shaft 7 is not separated from the main frame 1, An arc-shaped guide groove 1b formed symmetrically to the outside of the coupling hole 1a of the main frame 1 and a guide pin 6a formed above the wheel mounting plate 6 so as to be coupled thereto; A shaft hole 10 formed at a symmetrical position of the wheel mounting plate 6, A shaft 13 rotatably coupled to the bracket 12 to which the wheel 11 is coupled with a pin and coupled to the shaft hole; Directional projection formed in the arc-shaped shape on the main frame (1) so that the turning pin (14) and the turning pin (14) coupled to the projection pieces (12a) formed integrally symmetrically to the outside on both brackets (12) The groove 1c, It includes an operating means 20 installed in the operating space (5) to rotate or fix the wheel mounting plate (6), The actuation means 20 is

A lifting plate 21 coupled loosely to the rotational shaft 7 and the guide pin 6a exposed to the upper side of the main frame 1 which is bent into a shape, Rotating opening 22 which is rotatably coupled to the lifting plate 21, and variable coupled to the rotating opening 22 to be elastically supported by the spring 23 and coupled to the rotating shaft 7 and the pin 25 A spring (26) and a washer (27) coupled to the shaft (24) and the pivot shaft (7) to control the lifting and lowering by the pins (25) to press the lifting plate (21) toward the main frame (1); Playing game, characterized in that it comprises a locking member 28 is coupled to the main frame (1) is formed with a groove (28a) in which the edge of the elevating plate 21 in the + direction. The method of claim 1, The actuating means 20 'includes a driven gear 40, 40' installed on a pivot 7 protruding from the front and rear sides of the main frame 1, The rack 45 is slid by the guide protrusion 42 protruding from the main frame 1 and the fixture 43 coupled to the main frame 1, and engaged with the driven gear 40, 40 ′. A pair of links 44 and 44 'formed with a 45', And a drive shaft 46 disposed between the driven gears 40 and 40 'and fitted to the racks 45 and 45' formed on the links 44 and 44 '. A drive gear 47 coupled to the A guide pin 48 formed symmetrically on the rear surface of the drive gear 47 and inserted into the arc-shaped guide groove 49 formed in the main frame 1; A lifting plate 51 coupled to the driving shaft 46 and the guide pin 48 exposed downward of the main frame 1 and elastically supported toward the main frame 1 by a spring 50; Playing game, characterized in that it comprises a locking member 52 is coupled to the main frame (1) and formed with a groove (52a) in which the edge of the lifting plate (51) is inserted in the + direction. The method of claim 1, The pivot shaft 7 is fitted by a coupling ring 1a formed at the center of the wheel mounting plate 6 and the main frame 1 and fixed by a snap ring 29 coupled at the working space 5 side. The actuating means 20 for rotating or fixing the wheel mounting plate 6 includes a spring 15 interposed on the pivot shaft 7 to press the wheel mounting plate 6 toward the main frame 1; It consists of a lifting plate (21 ') fixed to the upper end of the guide pin (6a) protruding toward the working space (5), 90 degrees to the main frame (1) by protruding the shaft (13) for coupling the bracket (12) to which the wheel (11) is coupled with a pin to the shaft hole (10) of the wheel mounting plate (6) toward the main frame (1). Game play, characterized in that to be embedded in the groove (1e) formed at equal intervals. The cross section is located at the rear of the main frame 1 in which the wheel 202 which can be changed in direction by the handle 201 is installed at the front.

Type working space (5), A footrest 2 coupled with a hinge 3 and a binding means 4 to be opened and closed on the main frame 1 so as to seal the working space 5, It is coupled to the rotating shaft 7 and the rotating shaft freely coupled by the bearing 8 to the coupling hole 1a formed in the main frame 1 in the working space 5 and interviewed with the bottom surface of the main frame 1. Wheel mounting plate (6), A screw 7a formed on the pivot shaft 7 and a nut 9 coupled thereto so that the pivot shaft 7 is not separated from the main frame 1, An arc-shaped guide groove 1b formed symmetrically to the outside of the coupling hole 1a of the main frame 1 and a guide pin 6a formed above the wheel mounting plate 6 so as to be coupled thereto; A shaft hole 10 formed at a symmetrical position of the wheel mounting plate 6, A shaft 13 rotatably coupled to the bracket 12 to which the wheel 11 is coupled with a pin and coupled to the shaft hole 10; Directional projection formed in the arc-shaped shape on the main frame (1) so that the turning pin (14) and the turning pin (14) coupled to the projection pieces (12a) formed integrally symmetrically to the outside on both brackets (12) Comprising a groove 1c, The operating space 5 is provided with an operating means 20 for rotating or fixing the wheel mounting plate 6, The actuation means 20 is

A lifting plate 21 coupled loosely to the rotational shaft 7 and the guide pin 6a exposed to the upper side of the main frame 1 which is bent into a shape, Rotating opening 22 which is rotatably coupled to the lifting plate 21, and variable coupled to the rotating opening 22 to be elastically supported by the spring 23 and coupled to the rotating shaft 7 and the pin 25 A spring (26) and a washer (27) coupled to the shaft (24) and the pivot shaft (7) to control the lifting and lowering by the pins (25) to press the lifting plate (21) toward the main frame (1); Playing game, characterized in that it comprises a locking member 28 is coupled to the main frame (1) is formed with a groove (28a) in which the edge of the elevating plate 21 in the + direction. The method of claim 4, wherein The pivot shaft 7 is fitted by a coupling ring 1a formed at the center of the wheel mounting plate 6 and the main frame 1 and fixed by a snap ring 29 coupled at the working space 5 side. The actuating means 20 for rotating or fixing the wheel mounting plate 6 includes a spring 15 interposed on the pivot shaft 7 to press the wheel mounting plate 6 toward the main frame 1; It consists of a lifting plate (21 ') fixed to the upper end of the guide pin (6a) protruding toward the working space (5), 90 degrees to the main frame (1) by protruding the shaft (13) for coupling the bracket (12) to which the wheel (11) is coupled with a pin to the shaft hole (10) of the wheel mounting plate (6) toward the main frame (1). Game play, characterized in that to be embedded in the groove (1e) formed at equal intervals. The method according to any one of claims 1 to 2, Protective means provided on the front and rear of the main frame 1 to protect the wheel 11 and the wheel mounting plate 6, and the inclined surface 30a formed at a predetermined angle from the end of the main frame 1 to the lower side. Game play, characterized in that it comprises a (30). The method according to any one of claims 1 to 5, The wheel mounting plate 6 is provided with a symmetric stopper 6b for preventing the rotation of the bracket 12, The stopper 6b is provided symmetrically in the same width (W) as the width of the bracket 12 to be in close contact with both sides of the bracket 12, the side with the turning groove (1c) is the outside of the wheel mounting plate (6) And a distance (L) between the two stoppers (6b) is equal to the width of the bracket (12). The method according to any one of claims 1 to 5, A stopper groove 12b protruding integrally with the bracket 12 on the opposite side of the protruding piece 12a, It characterized in that it comprises a stopper protrusion (1d) formed on the lower side of the main frame (1) so that the two wheels (11) are embedded in the stopper groove (12b) when the wheel mounting plate 6 is arranged in parallel by the rotation of the wheel mounting plate (6) Playing playground. The method according to any one of claims 1 to 5, The shaft hole of the wheel mounting plate 6 so that the wheels 11 are arranged in series or in parallel while the bracket 12 is in close contact with the stopper 6b formed by bending the wheel mounting plate 6. 10) rides on the shaft (13) coupled to the bracket (12) to be coupled through the wheel mounting plate (6) and the game play, characterized in that through the spring (58) that is caught on the bracket (12). The method according to any one of claims 1 to 5, A support piece 53 protruding from the wheel mounting plate 6 and having a locking jaw 53a; A support 54 installed on the main frame 1 so as to be pivoted about the pin 55 so as to be caught by the locking jaw 53a, Play piece, characterized in that it comprises a spring 56 which is interposed on the pin 55 to press the support 54 toward the support piece 53, both ends are engaged with the main frame 1 and the support 54. phrase. The method of claim 2, A support piece 53 protruding from the wheel mounting plate 6 and having a locking jaw 53a; Hanging jaw (44a) formed on the outer side of the link 44, Supports 54 and 57 installed on the main frame 1 so as to be rotated about the pin 55 so as to be caught by the locking jaw (53a) (44a) formed in the wheel mounting plate (6) and the link 44 and , Interposed on the pin 55 to press the support 54, 57 toward the support piece 53 and the link 44, both ends to the main frame 1 and the support 54 (or support 57) Game play, characterized in that it comprises a spring 56 that is locked.

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