ADAPTER FOR SURFSKATE

Description

BACKGROUND OF THE INVENTION

1. Field of the Invention

The utility model relates to the field of skateboard fitting, specifically relating to an adapter for surfskate.

2. Description of the Related Art

Skateboarding is the originator of extreme sports and many extreme sports are derived therefrom. In the late 1950s and the early 1960s, the skateboarding, evolved from surfing, is widely popular among and flavored by young people given its merits of easy to learn and carry, little limitations on space and has become the “coolest” sport in the world.

The skateboards that people use at present are installed with wheels on the bottom thereof, which can slide steadily on the flat road; despite the fact that it is steady, safe and a good equipment for fitness, changing fitness equipment can bring about more thrilling and interesting fitness experience for those who making excessive demands in bodybuilding; the current skateboard structure can not provide a feeling of surfing in the sea for its users and skateboard users forces the skateboard to swing left and right so as to simulate the feeling of surfing in the sea when moving, incurring significant decrease of its service life.

SUMMARY OF THE INVENTION

The invention aims to overcome above technical shortcomings and provide an adapter for surfskate.

An adapter for surfskate comprising a fixing plate, a rotating plate, a centre shaft screw and a locking nut wherein said fixing plate and rotating plate link together via the centre shaft screw and the locking nut; a torsion spring is sleeved on said centre shaft screw that between the fixing plate and the rotating plate, and the top of said torsion spring is fixed on the fixing plate, and the bottom thereof is fixed on the rotating plate; on said centre shaft screw located on the top side and bottom side of the rotating plate are respectively sleeved with a thrust bearing wherein the thrust bearing on the top side of the rotating plate is provided within the torsion spring; on the side of the fixing plate that is close to the rotating plate is equipped with a limiting groove and on the side of the rotating plate that is close to the fixing plate is equipped with a limiting block matching with the limiting groove.

Furthermore, said centre shaft screw comprises an outer hexagonal head, a threaded head and a smooth connecting rod for connecting the outer hexagonal head and the threaded head, and the locking nut is in threaded connection with the threaded head.

Furthermore, one end of said fixing plate is a surfboard connecting plate and the other end thereof is a fixing plate connector in butt joint with the rotating plate; an inner groove is formed in the upper side of the fixing plate connector; a through hole penetrating through the fixing plate connector is formed in the bottom of the inner groove; an inner hexagonal mounting hole used for limiting the outer hexagonal head is formed in the top of the through hole; a first torsion spring groove is formed in one side of the through hole that is at the lower side of the fixing plate connector and the top end of said torsion spring is fixed in the first torsion spring groove; said limiting groove is formed in the lower side of the fixing plate connector and located on the other side of the through hole, and a surfboard connecting hole is formed in the surfboard connecting plate.

Furthermore, at one end of said rotating plate is arranged with a surfboard wheel bridge fixing plate while the other end thereof is arranged with a rotating plate connector in butt joint with the fixing plate, a centre shaft screw hole penetrating through the rotating plate connector is formed in said rotating plate connector; a second torsion spring groove is formed in one side of the centre shaft screw hole and the bottom end of said torsion spring is fixed in the second torsion spring groove; said limiting block is arranged on the upper side of the rotating plate connector and is located on the other side of the centre shaft screw hole; a thrust bearing hole is formed in the bottom side of said rotating plate connector, and the bottom of the thrust bearing hole is communicated with the centre shaft screw hole.

Furthermore, the top surface and the bottom surface of the surfboard connecting plate are parallel to the top surface of the fixing plate connector, the top surface and the bottom surface of the fixing plate connector form an included angle of 15-30°, and the rotating plate connector and the surfboard wheel bridge fixing plate form an included angle of 15-30°.

The utility model has following advantage: the included angle formed between the top surface and the bottom surface of the fixing plate connector and the included angle formed between the rotating plate connector and the surfboard wheel bridge fixing plate are both in the range of 15-30°, which can effectively control the left-right swinging amplitude of the rotating plate; the torsion spring is arranged to assist the rotating plate to automatically reset; the limiting block is arranged in a hidden way, so that the mechanism of the utility model is more compact; the utility model has wide application range, and the common skateboard can improve the sensitivity of surfing effect in the sea by replacing with the adapter; the utility model has advantages of simple structure, easy to install, long service life, and excellent user experience.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded view of the adapter for surfskate in the utility model;

FIG. 2 is a cross-sectional view of the adapter for surfskate in the utility model;

FIG. 3 is a first perspective view of the fixing plate of the adapter for surfskate in the utility model;

FIG. 4 is a second perspective view of the fixing plate of the adapter for surfskate in the utility model;

FIG. 5 is a first perspective view of the rotating plate of the adapter for surfskate in the utility model;

FIG. 6 is a second perspective view of the rotating plate of the adapter for surfskate in the utility model;

FIG. 7 is a usage diagram of the adapter for surfskate in the utility model;

As shown in the drawings, 1. fixing plate; 2. rotating plate; 3. thrust bearing; 4. torsion spring; 5. centre shaft screw; 6. locking nut; 7. limiting groove; 8. limiting block; 9. surfskate; 10. surfboard wheel bridge; 101. surfboard connecting plate; 102. fixing plate connector; 103. inner groove; 104. through hole; 105. inner hexagonal mounting hole; 106. first torsion spring groove; 107. surfboard connecting hole; 201. surfboard wheel bridge fixing plate; 202. rotating plate connector; 203. centre shaft screw hole; 204. second torsion spring groove; 205. thrust bearing hole; 501. outer hexagonal head; 502. threaded head; 503. smooth connecting rod.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The invention is further described in detail hereinafter with reference to the drawings.

An adapter for surfskate comprising a fixing plate 1, a rotating plate 2, a centre shaft screw 5 and a locking nut 6 wherein said fixing plate 1 and rotating plate 2 link together via the centre shaft screw 5 and the locking nut 6; a torsion spring 4 is sleeved on said centre shaft screw 5 that between the fixing plate 1 and the rotating plate 2, and the top of said torsion spring 4 is fixed on the fixing plate 1, and the bottom thereof is fixed on the rotating plate 2; on said centre shaft screw 5 located on the top side and bottom side of the rotating plate 2 are respectively sleeved with a thrust bearing 3 wherein the thrust bearing 3 on the top side of the rotating plate 2 is provided within the torsion spring 4; on the side of the fixing plate 1 that is close to the rotating plate 2 is equipped with a limiting groove 7 and on the side of the rotating plate 2 that is close to the fixing plate 1 is equipped with a limiting block 8 matching with the limiting groove 7.

Said centre shaft screw 5 comprises an outer hexagonal head 501, a threaded head 502 and a smooth connecting rod 503 for connecting the outer hexagonal head 501 and the threaded head 502, and the locking nut 6 is in threaded connection with the threaded head 502.

One end of said fixing plate 1 is a surfboard connecting plate 101 and the other end thereof is a fixing plate connector 2 in butt joint with the rotating plate 2; an inner groove 103 is formed in the upper side of the fixing plate connector 102; a through hole 104 penetrating through the fixing plate connector 102 is formed in the bottom of the inner groove 103; an inner hexagonal mounting hole 105 used for limiting the outer hexagonal head 501 is formed in the top of the through hole 104; a first torsion spring groove 106 is formed in one side of the through hole 104 that is at the lower side of the fixing plate connector 102 and the top end of said torsion spring 4 is fixed in the first torsion spring groove 106; said limiting groove 7 is formed in the lower side of the fixing plate connector 102 and located on the other side of the through hole 104, and a surfboard connecting hole 107 is formed in the surfboard connecting plate 101.

At one end of said rotating plate 2 is arranged with a surfboard wheel bridge fixing plate 201 while the other end thereof is arranged with a rotating plate connector 202 in butt joint with the fixing plate 1, a centre shaft screw hole 203 penetrating through the rotating plate connector 202 is formed in said rotating plate connector 202; a second torsion spring groove 204 is formed in one side of the centre shaft screw hole 203 and the bottom end of said torsion spring 4 is fixed in the second torsion spring groove 204; said limiting block 8 is arranged on the upper side of the rotating plate connector 202 and is located on the other side of the centre shaft screw hole 203; a thrust bearing hole 205 is formed in the bottom side of said rotating plate connector 202, and the bottom of the thrust bearing hole 205 is communicated with the centre shaft screw hole 203 wherein the inner surface of said centre shaft screw hole 203 is smooth.

The top surface and the bottom surface of the surfboard connecting plate 101 are parallel to the top surface of the fixing plate connector 102, the top surface and the bottom surface of the fixing plate connector 102 form an included angle of 15-30°, and the rotating plate connector 202 and the surfboard wheel bridge fixing plate 201 form an included angle of 15-30°.

The specific installation steps of the utility model are that the centre shaft screw 5 is put into the fixing plate 1, then the torsion spring 4 is sleeved on the centre shaft screw 5 under the fixing plate 1, the top end of the torsion spring 4 is fixed on the first torsion spring groove 106 of the fixing plate 1, the bottom end of the torsion spring 4 is fixed on the second torsion spring groove 204 on the rotating plate 2; before the torsion spring 4 is fixed with the second torsion spring groove 204, a thrust bearing 3 is sleeved on the centre shaft screw 5, and is placed in the torsion spring 4, the rotating plate 2 is sleeved on the centre shaft screw 5 via the centre shaft screw hole 203; finally, the bottom end of the torsion spring 4 is fixed on the second torsion spring groove 204; then, another thrust bearing 4 is sleeved on the centre shaft screw 5 below the rotating plate 2, the thrust bearing 4 is placed in the thrust bearing hole 205, and the locking nut 6 is screwed on the thread head 502 of the centre shaft screw 5.

When the utility model is using, as shown in FIG. 7, the surfboard connecting plate 101 is connected on the surfskate 9 via the surfboard connecting hole 107 and the screw, and the surfboard wheel bridge fixing plate 201 is connected fixedly with the surfboard wheel bridge 10 on the idler wheel of surfboard. The surfskate disclosed in the utility model, namely the skateboard, has the automatic resetting function, can simulate the feeling of surfing in the sea and enjoying the fun of surfing.

When using the surfskate disclosed in the utility model, namely the skateboard, the human body stands on the skateboard surface and changes the center of body weight via wriggling the body, leading to rotating plate 2 to rotate left and right, after rotating to certain angle, the limiting block 8 raised on the rotating plate 2 will be cooperated with the limiting groove 7 of fixing plate 1 to restrict rotation angle; under effect of the torsion spring 4, the users can also be assisted in resetting the rotating plate 2 automatically aligned to the center even when rotating to the extreme position.

The invention and its embodiments have been described above, but the description is not limited thereto; only one embodiment of the invention is shown in the drawings, and the actual structure is not limited thereto. In general, it is to be understood by those skilled in the art that non-creative design of structural forms and embodiments that are similar to the technical solutions without departing from the spirit of the invention shall all fall within the protective scope of the invention.