TWM580995U - Wheelset structure for skateboard - Google Patents

Abstract

A wheel assembly structure for a skateboard includes: a body, a locking unit, and a wheel set fixed to a bottom surface of the base body through the locking unit. The seat body includes a through hole penetrating through the bottom surface of the seat body. The wheel set contains a fixed screw. The locking unit comprises a limiting gasket and a nut. The limiting gasket is non-rotatably engaged with the seat body and has a limiting through hole, and the fixing screw passes through the through hole and the limiting gasket. The hole, and the inner edge of the limiting through hole and the outer edge of the fixing screw are interference fit, so that the limiting gasket can not rotate relative to the fixed screw, the nut is locked on the fixing screw, and the limiting gasket is located in the seat body And between the nuts.

Description

Wheelset structure for skateboard

This creation is related to skateboarding, especially a wheelset structure for skateboards.

According to the conventional skateboard structure, there are two pedals that can pivot with each other, and the two pedals can be elastically twisted and deformed in opposite directions by the user in the opposite direction of the axial direction of the front and rear direction by the weight or the foot force, thereby driving the pedal. The wheel set on the bottom of the two pedals rolls forward.

Among them, the wheel sets of many skateboards are directly locked to the bottom surface of the two pedals by means of a screw and a nut lock. However, the locking manners often occur when the skateboard is used for a period of time. In other cases, there is a risk that the wheel will lose control or the wheel set will fall off from the bottom of the pedal. More serious will affect the safety of use, and it is obvious that there is still room for improvement.

In view of this, the purpose of the present invention is to provide a wheel set structure for a skateboard, which has high strength of the wheel set, is not easy to loose, and has good durability.

In order to achieve the foregoing and other objects, the present invention provides a wheel assembly structure for a skateboard, comprising: a body, a locking unit, and a wheel set, the wheel set being fixed by the locking unit a bottom surface of the base body; the base body includes a through hole penetrating through the bottom surface of the base body; the wheel set includes a fixing screw; the locking unit includes a limiting gasket and a nut, and the limiting gasket is unable to Rotatingly engaging the base body and having a limiting through hole, the fixing screw passes through the through hole and the limiting through hole of the limiting gasket, and the inner edge of the limiting through hole and the fixing screw The outer edge is an interference fit, so that the limit gasket cannot be rotated relative to the fixing screw, and the nut is locked to the fixing screw, and the limiting gasket is located between the seat body and the nut.

Optionally, the distance from the axis of the transverse section of the fixing screw to the contour of the shape of the section is different from the distance from the axis to another point of the contour.

Optionally, wherein the shape of the limiting through hole corresponds to an outer edge of the fixing screw.

Optionally, wherein the cross section of the fixing screw is a circle having a corner.

Optionally, wherein the notch is concavely formed from the outer edge of the circle toward the axis.

Optionally, the seat body includes an accommodating space, and the through hole is connected to the accommodating space and the outside of the pedestal body, and the limiting spacer is disposed in the accommodating space.

Optionally, the limiting spacer has a body and an ear portion, and the limiting through hole extends through the body, and the ear portion extends outward from the body.

Optionally, the seat body has a limiting rib, and the ear portion of the limiting gasket is engaged with the limiting rib so that the limiting spacer cannot rotate relative to the seat body.

Optionally, wherein the number of the ear portions of the limiting spacer is two, each of the ear portions is symmetrically distributed, and the number of the limiting ribs is two, and each of the ear portions is respectively disposed on each of the limiting ribs.

It can be seen from the foregoing structure that the creation manner of the limiting spacer, the seat body and the fixing screw of the wheel set can effectively reduce the use of the fixed screw of the wheel set and the body and the nut when the sliding plate is used. In the case of relative rotation, the risk of the nut being loosened can be reduced, and the fastening strength and durability of the wheel set can be greatly improved.

A wheel set structure for a skateboard provided by this creation will be described in the following description. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

It is to be noted that the technical features provided by the present creation are not limited to the specific structures, uses, and applications thereof described in the embodiments. The terms used in the description of the content are all illustrative terms that can be understood by those of ordinary skill in the art, and the terms "front", "upper", "lower", "back", "left" mentioned in the contents of this specification. Directional descriptions such as "right", "top", "bottom", "inside", and "outside" are merely illustrative terms used in the normal direction of use, and are not intended to limit the scope of claims.

In addition, the singular forms "a", "an" Thus, for example, reference to "a" or "an" or "an" All conjunctions used in similar instances should also be understood in the broadest sense, and the particular shapes and structural features or technical terms described in the description should also be understood to include the function of the particular structure or technical term. Equivalent to replacement structure or technology.

Please refer to the drawings, which are a wheel set structure for the skateboard 10 of the embodiment shown in the present application. The wheel set structure is applied to a skateboard. In this embodiment, the skateboard 10 can be pivoted with respect to the front and rear pedals. The rotating snake plate is taken as an example, but the practical application is not limited to the snake plate. The wheel set structure of the present invention can also be applied to the skateboard which cannot be relatively pivoted by the pedal, and the number of wheels under the sliding plate is not limited to this embodiment. In the first two and the second, there are four wheels, which can also be a structure with two wheels in front and rear, or three wheel structures in the first two or the first two, or other numbers. The way the location is matched.

Referring to FIG. 1 and FIG. 2 again, a wheel assembly for the skateboard 10 according to the embodiment of the present invention includes a body 20, a first locking unit 50, a second locking unit 60, and a first The wheel set 70 and the second wheel set 80 are fixed to the bottom surface of the base body 20 through the first and second locking units 50 and 60, respectively.

Referring to Figure 1, the body 20 is made of a resilient material which may be selected from, but not limited to, a resin or a composite material mixed with a resin or the like. The base body 20 has a long plate shape and has a long axis XX'. In this embodiment, the base body 20 can be roughly divided into a first pedal 30 and a second pedal 40 connected to the first The pedals 30, the first and second pedals 30, 40 are respectively arranged on the user's feet, so that the user can make the first and second pedals 30 by their own weight transfer or driving of the feet and feet. 40 is twisted and deformed in the opposite direction about the long axis XX'. The first wheel set 70 and the second wheel set 80 are respectively disposed on the bottom surface of the first pedal 30 and the second pedal 40 of the base body 20 along the long axis X-X'.

Referring to FIG. 1 to FIG. 5 again, the first pedal 30 of the base 20 is formed by a first cover 32 and a first base 34. The first pedal 30 of the base 20 The accommodating space 302 is formed between the first cover 32 and the first pedestal 34, and the through hole 304 runs through the first a bottom surface of the first base 34 of the pedal 30, and the through hole 304 communicates with the accommodating space 302 and the outside of the first base 34 of the base 20. The plurality of limiting ribs 306 are formed on the base 20 The first base 34 surrounds and surrounds the accommodating space 302 and is radiated outward from the periphery of the through hole 304.

The first wheel set 70 includes a fixed screw 72 and a caster unit 74. The lower end of the fixed screw 72 is fixed to the caster unit 74. The caster unit 74 can be, but not limited to, two wheels. In other possible embodiments. The caster unit can also be a single wheel or a structure with more than three wheels. The upper end of the fixing screw 72 extends from the through hole 304 of the first pedal 30 of the base body 20 into the accommodating space 302.

In addition, referring again to FIG. 3 to FIG. 5 and FIG. 7, the distance L1 of the axis 722 of the cross section of the fixing screw 72 to the contour of the section shape is the distance from the axis 722 to another point of the contour. L2 is different. As shown in FIG. 7 to FIG. 9 , in the embodiment, the cross section of the fixing screw 72 is a circle having two opposite corners (as shown in FIG. 7 ), but the actual application is not In other possible embodiments, the cross section of the fixing screw 72 may also be a circular shape having only one corner (as shown in FIG. 8), or, as shown in FIG. 9, the notch system The outer edge of the circular shape is concavely formed in the axial center 722.

Referring to FIG. 2 to FIG. 5 , the first locking unit 50 includes a limiting spacer 52 and a nut 54 . The limiting spacer 52 is non-rotatably engaged with the housing 20 and has a limit. The through hole 522, the fixing screw 72 passes through the through hole 304 and the limiting through hole 522 of the limiting spacer 52, and the inner edge of the limiting through hole 522 interferes with the outer edge of the fixing screw 72. The retaining washer 52 is locked to the fixing screw 72 . The retaining washer 52 is located between the seat body 20 and the nut 54 .

In this embodiment, the limiting spacer 52 is made of a metal material and disposed in the accommodating space 302. The shape of the limiting through hole 522 corresponds to the outer edge of the fixing screw 72, in other words, Regardless of the shape of the cross section of the fixing screw 72, the shape of the limiting through hole 522 of the limiting spacer 52 corresponds to the shape, so that the inner edge of the limiting through hole 522 and the fixing screw 72 The outer edge is an interference fit, and the limit spacer 52 cannot be rotated relative to the fixed screw 72. In addition, the limiting spacer 52 has a body 524 and two ears 526. The limiting through hole 522 extends through the body 524. The ear 526 extends outwardly from the body 524 and is symmetrically distributed. The portions 526 are respectively disposed on the limiting ribs 306 , so that the modified limiting pads 52 cannot be relatively rotated relative to the first base 34 of the base 20 .

It should be noted that the number of the ear portions 526 of the limiting spacer 52 does not have to be two, and the number of the limiting ribs 306 does not necessarily need to be plural. In other possible embodiments, the number of the ear and the limiting rib may also be one (not shown), as long as the ear of the limiting spacer can be correspondingly clamped on the limiting rib to make the limit The gasket cannot be rotated relative to the first base of the seat.

The connection between the seat body 20, the first locking unit 50 and the first wheel set 70 and the manner of fastening are described above. The base body 20, the second locking unit 60 and the second wheel are The connection relationship between the groups 80 (shown in FIG. 6) is the same as the connection between the base 20, the first locking unit 50 and the first wheel set 70, so that the space is no longer 20. The second locking unit 60 and portions of the second wheel set 80 are detailed again.

It should be noted that, in other possible embodiments, not all the wheel and the body of the skateboard are fixed by the method disclosed in the present invention. In other words, only some of the wheels may be used in the creation. For example, the skateboard can be fixed only by the second wheel set on the rear side, and the first wheel set on the front side can be fixed by other means. Similarly, the slide can also be only the front side. The first round of the set uses the fixed connection of the creation, while the second set of the rear side uses other fixed methods.

In summary, the wheel set structure of the present invention for the skateboard 10 has at least the following advantages:

1. The manner in which the ear portion 526 of the limiting spacer 52 is engaged with the limiting rib 306 of the base body 20 makes the limiting spacer 52 less likely to appear relative to the seat when the skateboard 10 of the present invention is used. The rotation of the body 20 can reduce the looseness of the nut.

2. Through the connection relationship between the inner edge of the limiting spacer 52 and the outer edge of the fixing screw 72, the fixing screw 72 is not easy to be associated with the limiting spacer 52 when the skateboard 10 of the present invention is used. The relative rotation of the seat body 20 can reduce the looseness of the nut.

3. With the cooperation of the above two points, it will effectively improve the fixing strength and durability of the wheel set and the seat, and reduce the risk of the skateboard losing control.

Finally, it must be noted that the methods and constituent elements disclosed in the foregoing embodiments are merely illustrative, and are not intended to limit the scope of the patents of the present invention, and any simple structural retouching or variation that has not been removed from the spirit of the present invention, Or the replacement with other equivalent components should still fall within the scope covered by this patent application.

10‧‧‧ Skateboarding

20‧‧‧ body

30‧‧‧First pedal

302‧‧‧ accommodating space

304‧‧‧through hole

306‧‧‧Limited ribs

32‧‧‧First cover

34‧‧‧First base

40‧‧‧Second pedal

50‧‧‧First lock unit

52‧‧‧ Limit gasket

522‧‧‧Limited through hole

524‧‧‧ Ontology

526‧‧ Ears

54‧‧‧ nuts

60‧‧‧Second locking unit

70‧‧‧First round

72‧‧‧fixed screw

722‧‧‧Axis

74‧‧‧ caster unit

80‧‧‧Second round

X-X'‧‧‧ long axis

L1, L2‧‧‧ distance

The structure of the wheel set for the skateboard provided by the present invention will be further described below with reference to the embodiments and the drawings, wherein:  Figure 1 is a perspective view of the illustrated embodiment of the present invention.  Figure 2 is an exploded perspective view of the illustrated embodiment of the present invention.  3 is a partial exploded perspective view of the embodiment shown in the present invention, mainly showing the connection relationship between the first pedal, the first wheel set and the first locking unit.  FIG. 4 is similar to FIG. 3 and mainly shows the connection relationship when the first pedal, the first wheel set and the first locking unit are assembled.  Figure 5 is a partial plan cross-sectional view of the embodiment of the present invention, mainly showing the connection relationship between the first pedal and the first locking unit.  Figure 6 is a partial perspective exploded view of the embodiment of the present invention, mainly showing the connection relationship between the second pedal, the second wheel set and the second locking unit.  Figure 7 is a schematic view of a cross section of the fixing screw of the illustrated embodiment.  Figure 8 is similar to Figure 7 and mainly shows a cross-sectional view of another type of fixed screw.  Figure 9 is similar to Figure 7 and mainly shows a cross-sectional view of still another type of fixed screw.  

Claims (9)

A wheel set structure for a skateboard, characterized by comprising:  a body, a locking unit, and a wheel set are fixed to the bottom surface of the base body through the locking unit;  The seat body includes a through hole penetrating through a bottom surface of the seat body;  The wheel set includes a fixed screw;  The locking unit includes a limiting gasket and a nut, the limiting gasket is non-rotatably engaged with the seat body and has a limiting through hole, the fixing screw passes through the through hole and the limit a limiting through hole of the spacer, and an inner edge of the limiting through hole is in interference fit with the outer edge of the fixing screw, so that the limiting spacer cannot rotate relative to the fixing screw, and the nut is locked on the a fixing screw, the limiting gasket is located between the seat body and the nut.   The wheel set structure for a skateboard according to claim 1, wherein a distance from an axis of the cross section of the fixing screw to a contour of the sectional shape is different from a distance from the axis to another point of the contour. . The wheel set structure for a skateboard according to claim 2, wherein the shape of the limit through hole corresponds to an outer edge of the fixing screw. The wheel set structure for a skateboard according to claim 3, wherein the cross section of the fixing screw is a circle having a notch. The wheel set structure for a skateboard according to claim 4, wherein the notch is concavely formed from the outer edge of the circular shape toward the shaft center. The wheel base structure for a skateboard according to claim 1, wherein the seat body includes a receiving space, the through hole is connected to the receiving space and the outside of the seat body, and the limiting gasket is disposed in the space Set the space. The wheel block structure for a skateboard according to claim 1, wherein the limit pad has a body and an ear portion, and the limit through hole extends through the body, and the ear portion extends outward from the body. The wheel block structure for a skateboard according to claim 7, wherein the seat body has a limiting rib, and the ear portion of the limiting gasket is clamped on the limiting rib, so that the limiting gasket cannot be opposite The seat rotates. The wheel base structure for a skateboard according to claim 8, wherein the number of the ear portions of the limiting spacer is two, each of the ear portions is symmetrically distributed, and the number of the limiting ribs is two, each of the ear portions The card is placed on each of the limit ribs.