Roller skate

Abstract

A roller skate comprises a sole and is characterized by further comprising two wheel seats and walking wheels arranged on the wheel seats, two mounting holes which are vertically through and are arranged at intervals in the front-back direction are formed in the sole, the two wheel seats are correspondingly mounted in the two mounting holes from top to bottom, each wheel seat comprises a fixing plate extending outwards from the top of the wheel seat, and the fixing plates are fixed to the top of the sole. The two mounting holes which are vertically through are formed in the sole, and during mounting, only the two wheel seats need to be correspondingly mounted in the two mounting holes from top to bottom, and the wheel seats and the top of the sole are fixed through the fixing plate, so that assembly steps of the wheel seats are greatly reduced, meanwhile, assembly parts are reduced, and more cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of roller skates, in particular to a pair of roller skates. Background Art

[0002] Roller skates, commonly known as roller skates, originated in the Netherlands. They are a competitive sport that uses special roller skates as a competition tool, and are also a leisure activity. Typically, the roller wheels of commercially available roller skates are fixed to the sole via a wheel frame. For example, Chinese patent publication CN100548417C discloses a roller skate comprising a shoe body and a roller portion. The shoe body is characterized by having a front and rear retaining grooves on the sole; the roller portion comprises a front roller portion and a rear roller portion. The front roller portion comprises a front bracket with a T-shaped upper end that engages with the front retaining groove and a front roller axle mounted on the lower end; a front roller mounted on the front roller axle; and a front crossbeam perpendicularly connected to the front bracket. The rear roller portion comprises a rear bracket with a T-shaped upper end that engages with the rear retaining groove and a rear roller axle mounted on the lower end; a rear roller mounted on the rear roller axle; and a rear crossbeam perpendicularly connected to the rear bracket. The front and rear crossbeams are detachably joined to form a stable, rigid crossbeam.

[0003] In the above solution, the roller is installed on the sole through the front bracket and the rear bracket, and the front crossbeam and the rear crossbeam are also provided. This will undoubtedly complicate the installation structure of the roller and make it difficult to assemble. In addition, the increase in the assembly process will undoubtedly greatly increase the cost of the roller skates. Utility Model Content

[0004] The purpose of the utility model is to provide a roller skate that is easy to assemble.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A roller skate comprises a sole, characterized in that it also comprises two wheel seats and running wheels arranged on the wheel seats, the sole is formed with two mounting holes that pass through the upper and lower parts and are arranged spaced apart from each other from front to back, the two wheel seats are correspondingly installed in the two mounting holes from top to bottom, the wheel seat comprises a fixing plate extending outward from the top thereof, and the fixing plate is fixed to the top of the sole.

[0007] By adopting the above solution, two mounting holes are formed on the sole that pass through the upper and lower parts. During installation, it is only necessary to install the two wheel seats into the two mounting holes from top to bottom, and fix the wheel seats to the top of the sole through the fixing plate. This greatly reduces the assembly steps of the wheel seats to facilitate assembly, and also reduces the number of assembly parts, making it more cost-effective.

[0008] A recessed portion adapted to the fixing plate is formed on the top surface of the sole. The fixing plate is embedded in the recessed portion and fixed to the sole via adhesive or fasteners.

[0009] By adopting the above solution, the fixing plate is embedded in the recessed portion and fixed to the sole via adhesive or fasteners, so that the fixing plate can be fixed to the sole more stably.

[0010] The fixing plate includes four plate bodies arranged front, back, left and right.

[0011] By adopting the above solution, four plates are arranged in front, behind, left and right of the fixing plate, which can increase the contact area between the fixing plate and the sole and make it more stably fixed on the sole.

[0012] The two running wheels are rotatably arranged on both sides of the wheel seat through a wheel axle that crosses the wheel seat.

[0013] By adopting the above solution, the running wheels fixed on both sides of the wheel seat can increase the stability of the user during the sliding process.

[0014] The wheel axle includes a shaft body, a limit head and a limit bolt, the limit head is fixedly arranged at one end of the shaft body, the limit bolt is threadedly connected to the other end of the shaft body, the other end of the shaft body forms a screw hole extending along its axial direction, the bolt is threadedly connected to the screw hole, the running wheel is rotatably arranged on the shaft body through the inner bearing and the outer bearing, the inner bearing and the outer bearing are arranged laterally spaced apart, the running wheel has an annular partition located between the inner bearing and the outer bearing, and the shaft body is provided with a spacer located between the inner ring of the inner bearing and the wheel seat.

[0015] By adopting the above scheme, an inner bearing and an outer bearing are arranged between the shaft body and the travel wheel, which can make the travel wheel more stable when rotating, and a spacer sleeve is provided on the shaft body between the inner ring of the inner bearing and the wheel seat, which can prevent the travel wheel from colliding with the wheel seat when rotating, and can also make the rotation of the travel wheel more stable.

[0016] The bottom of the sole is formed with an arc-shaped notch for avoiding the walking wheels.

[0017] By adopting the above solution, an arc-shaped notch is formed at the bottom of the sole to avoid the walking wheel, which can make the design of the sole more reasonable and more beautiful, and can also prevent the walking wheel from contacting the sole during use.

[0018] The wheel seat includes a main body and the fixing plate, and the fixing plate extends outward from the top of the main body.

[0019] By adopting the above solution, the main body and the fixing plate can be formed in one piece, and the fixing plate extends outward from the top of the main body, so that the wheel seat can be fixed on the sole more stably.

[0020] The main body is a rectangular parallelepiped, and the mounting hole is adapted to the main body.

[0021] By adopting the above solution, during installation, it is only necessary to pass the main body through the installation hole adapted to the main body, which greatly facilitates the installation of the main body.

[0022] The top surface of the main body is formed with a plurality of grooves that are concave downwards and arranged in parallel at intervals, and a reinforcing rib plate is formed between two adjacent grooves.

[0023] By adopting the above solution, the material inside the main body is reduced without affecting the use strength of the main body, thereby greatly saving the production cost of the main body.

[0024] The top surface of the fixing plate transitions smoothly with the top surface of the main body.

[0025] By adopting the above solution, the fixing plate will not affect the user's experience after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional diagram of the utility model.

[0027] Figure 2 This is a three-dimensional diagram from another perspective of the present invention.

[0028] Figure 3 This is an exploded view of the utility model.

[0029] Figure 4 This is an exploded view of the present invention from another perspective.

[0030] Figure 5 It is the rear view of the present utility model.

[0031] Figure 6 for Figure 5 Cross-sectional view along the AA direction.

[0032] Figure 7 It is the right view of the utility model.

[0033] Figure 8 for Figure 7 Cross-sectional view along the BB direction. DETAILED DESCRIPTION

[0034] Reference Figures 1 to 8 The following is a detailed description of the technical solution of the present invention through specific embodiments and in conjunction with the accompanying drawings:

[0035] A roller skate comprises two wheel bases 1, a sole 2 and running wheels 3.

[0036] The wheel seat 1 includes a main body 11 and a fixing plate 12. The main body 11 is a rectangular parallelepiped, and the fixing plate 12 and the main body 11 are integrally formed of a plastic material. The fixing plate 12 extends outward from the four directions of the front, back, left and right of the top of the main body 11 to form four fixing plates 12. The top surface of the main body 11 is formed with a plurality of parallel and spaced grooves 111 that are recessed downward. A reinforcing rib plate 112 is formed between two adjacent grooves 111. The top surface of the main body 11 and the top surface of the fixing plate 12 are smoothly transitioned to form the top surface of the wheel seat 1. The top surface of the wheel seat 1 is an arc-shaped surface that matches the top surface of the sole 2. A wheel axle hole 113 is formed at the lower end of the main body 11. The two walking wheels 3 are rotatably arranged on both sides of the wheel seat 1 through the wheel axle that crosses the wheel axle hole 113. The two walking wheels 3 include a wheel hub 31, a wheel body 32, The inner bearing 33 and the outer bearing 34, the wheel hub 31 is made of metal, the wheel body 32 is arranged on the outer circumference of the wheel hub 31, the wheel axle includes a shaft body 35, a limit head 36 and a limit bolt 37, the limit head 36 is fixedly set at one end of the shaft body 35, the limit bolt 37 is threadedly connected to the other end of the shaft body 35, the other end of the shaft body 35 forms a screw hole extending along its axial direction, the limit bolt 37 is threadedly connected to the screw hole, the wheel hub 31 is rotatably set on the shaft body 35 through the inner bearing 33 and the outer bearing 34, the inner bearing 33 and the outer bearing 34 are arranged laterally at intervals, the wheel hub 31 is formed with an annular partition 311 located between the inner bearing 33 and the outer bearing 34, and the shaft body 35 is provided with a spacer sleeve 38 located between the inner ring of the inner bearing 33 and the wheel seat 1.

[0037] Two mounting holes 21 are formed on the top surface of the sole 2, which pass through the upper and lower parts and are arranged at intervals from front to back. The cross-sections of the two mounting holes 21 are rectangular and match the main body 11. The main body 11 can be inserted into the two mounting holes 21 from top to bottom. A battery slot 22 is also formed on the top surface of the sole 2. The battery slot 22 is located between the two mounting holes 21. The sole 2 can be made more beautiful by placing a battery 221 in the battery slot 22 and arranging a lighting component on the side of the sole 2. Whether to install a lighting component on the sole 2 can be selected according to specific needs. Four recessed portions 23 are formed on the top surface of the sole 2 to match the four fixing plates 12. The fixing plates 12 are embedded in the recessed portions 23 and are fixed to the sole 2 by adhesives or fasteners. An arc-shaped notch 24 is also formed at the bottom of the sole 2 to avoid the walking wheels 13.

[0038] During assembly, simply install the main body 11 of the wheel seat 1 from top to bottom into the mounting hole 21, align the four fixing plates 12 with the four recessed portions 23, and then fix the wheel seat 1 on the sole 2 through glue and fasteners. Then, install the walking wheel 3 on the lower end of the wheel seat 1 through the cooperation of the shaft 35 and the limit bolt 37.

[0039] The above description is merely a preferred embodiment of the present invention and therefore cannot be used to limit the scope of implementation of the present invention. In other words, equivalent changes and modifications made according to the scope of the patent application and the contents of the specification of the present invention should still fall within the scope of the present patent.

Claims

1. A roller skate comprising a sole, characterized in that: It also includes two wheel seats and walking wheels arranged on the wheel seats. The sole is formed with two mounting holes that pass through the upper and lower parts and are arranged at intervals front to back. The two wheel seats are correspondingly installed in the two mounting holes from top to bottom. The wheel seat includes a fixing plate extending outward from the top thereof, and the fixing plate is fixed to the top of the sole.

2. The roller skate according to claim 1, characterized in that: A recessed portion adapted to the fixing plate is formed on the top surface of the sole. The fixing plate is embedded in the recessed portion and fixed to the sole via adhesive or fasteners.

3. The roller skate according to claim 1, characterized in that: The fixing plate includes four plate bodies arranged front, back, left and right.

4. The roller skate according to claim 1, characterized in that: The two traveling wheels are rotatably arranged on both sides of the wheel seat via a wheel axle which crosses the wheel seat.

5. The roller skate according to claim 4, characterized in that: The wheel axle includes a shaft body, a limit head and a limit bolt, the limit head is fixedly arranged at one end of the shaft body, the limit bolt is threadedly connected to the other end of the shaft body, the other end of the shaft body forms a screw hole extending along its axial direction, the limit bolt is threadedly connected to the screw hole, the running wheel is rotatably arranged on the shaft body through the inner bearing and the outer bearing, the inner bearing and the outer bearing are arranged laterally spaced apart, the running wheel has an annular partition located between the inner bearing and the outer bearing, and the shaft body is provided with a spacer located between the inner ring of the inner bearing and the wheel seat.

6. The roller skate according to claim 1, characterized in that: The bottom of the sole is formed with an arc-shaped notch for avoiding the walking wheel.

7. The roller skate according to any one of claims 1 to 6, characterized in that: The wheel seat includes a main body and the fixing plate, and the fixing plate extends outward from the top of the main body.

8. The roller skate according to claim 7, characterized in that: The main body is a rectangular parallelepiped, and the mounting hole is adapted to the main body.

9. The roller skate according to claim 7, characterized in that: The top surface of the main body is formed with a plurality of grooves that are concave downwards and arranged in parallel at intervals, and a reinforcing rib plate is formed between two adjacent grooves.

10. The roller skate according to claim 7, characterized in that: The top surface of the fixing plate transitions smoothly with the top surface of the main body.

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