CN215751728U

CN215751728U - Roller shaft for scooter

Info

Publication number: CN215751728U
Application number: CN202121479354.0U
Authority: CN
Inventors: 袁海涛
Original assignee: Baoji Chengjin Titanium Co ltd
Current assignee: Baoji Chengjin Titanium Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-02-08
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a roller shaft for a scooter, wherein two ends of the roller shaft are provided with screw thread parts for connecting rollers, a casting body for fixing the roller shaft and the bottom surface of the scooter is coated on a roller shaft body positioned between the screw thread parts at two sides, and a fastening structure for fastening the casting body and the roller shaft is arranged on the surface of the roller shaft. The fastening structure is a melting tank arranged at the center of the roller shaft along the axial direction of the roller shaft. The fastening structure is arranged on the surface of the roller shaft used by the scooter and fastens the casting body with the roller shaft, and the casting body and the roller shaft form a relative fastening effect after being melted and coated on the outer circumferential surface of the roller shaft, so that the problems of mutual abrasion and rotation and axial movement of the casting body relative to the roller shaft are avoided, the stable sliding of the scooter is ensured, and the probability of easy damage of the scooter is reduced.

Description

Roller shaft for scooter

Technical Field

The utility model relates to the technical field of scooters, in particular to a roller shaft for a scooter.

Background

The scooter generally includes two-wheeled scooter and four-wheel scooter, and wherein two-wheeled scooter uses electronic as leading more, realizes moped's effect, can carry out short distance's removal. The four-wheel scooter generally refers to a playing scooter used by teenagers, can realize various stunt sliding and has extremely high ornamental value. The structure of the scooter mainly comprises a supporting plate for supporting a user, rollers are arranged around the bottom of the supporting plate, and roller shafts of the rollers are connected with the supporting plate through connecting parts. Because the connecting part is fixedly connected with the supporting plate, and the roller rotates on the roller shaft, after the scooter is subjected to the action of the larger external force of a user, the roller shaft is easy to rotate with the connecting part under the action of the rotation of the roller, and further the connecting part and the connecting part are mutually abraded, so that the scooter cannot be used.

Disclosure of Invention

In view of the above problems, the present invention is directed to a roller axle for a scooter, which has a fastening structure for fastening a casting body to each other, and which prevents abrasion between the casting body and the roller axle and prevents the casting body from rotating and moving axially relative to the roller axle, thereby ensuring stable sliding of the scooter.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a gyro wheel axle for scooter, the gyro wheel axle both ends have the screw thread portion of connecting the gyro wheel, are located both sides between the screw thread portion the cladding has the casting body that is used for with gyro wheel axle and scooter bottom surface fixed on the gyro wheel axle body be equipped with on the surface with the fastening structure of casting body and its mutual fastening.

Preferably, the fastening structure is a melting tank provided at a central position of the roller shaft along an axial direction thereof.

Preferably, die-casting ridges are circumferentially and intermittently provided on the circumferential surface of the roller shaft adjacent to the threaded portion, and a die-casting groove is provided between adjacent die-casting ridges.

Preferably, each top end of the die-casting ridge is higher than the circumferential surface of the roller shaft, and the side wall of the die-casting ridge of the higher portion is a limiting surface.

Preferably, a V-shaped groove is also die-cast on each of the top ends of the die-casting ridges.

The utility model has the beneficial effects that: the fastening structure is arranged on the surface of the roller shaft used by the scooter and fastens the casting body with the roller shaft, and the casting body and the roller shaft form a relative fastening effect after being melted and coated on the outer circumferential surface of the roller shaft, so that the problems of mutual abrasion and rotation and axial movement of the casting body relative to the roller shaft are avoided, the stable sliding of the scooter is ensured, and the probability of easy damage of the scooter is reduced.

Drawings

FIG. 1 is a partial cross-sectional view of a roller shaft and casting in accordance with the present invention.

FIG. 2 is a schematic view of the overall structure of the roller shaft of the present invention.

FIG. 3 is a cross-sectional view of the utility model taken along the line of FIG. 2 a.

FIG. 4 is an enlarged view of FIG. 3A of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.

Referring to fig. 1-4, the roller shaft for the scooter is shown, two ends of the roller shaft 1 are provided with screw thread portions 11 for connecting rollers, a casting body 2 (corresponding to a connecting body at the bottom of a supporting plate) for fixing the roller shaft 1 and the bottom of the scooter is coated on the body of the roller shaft 1 between the screw thread portions 11 at two sides, preferably, the casting body 2 is made of aluminum, the casting body is coated on the circumferential surface of the roller shaft 1 through a mold after being melted, then the casting body 2 is fixed on the bottom of the scooter through fastening through holes 21, and the roller sleeves are sleeved at two ends of the roller shaft 1 through the screw thread portions 11 and then fastened.

In order to avoid the problem that the roller shaft 1 drives the roller shaft 1 to rotate relative to the casting body 2 under the rotation of the roller, so that the roller shaft 1 and the casting body 2 are both abraded, the surface of the roller shaft 1 is provided with a fastening structure for fastening the casting body 2 and the casting body 2, and after the casting body 2 is coated on the outer circumferential surface of the roller shaft 1 in a melting mode, the roller shaft and the casting body form a relative fastening effect through the fastening structure, so that the mutual abrasion is avoided, and the stable sliding of the scooter can be ensured.

Specifically, the fastening structure is a melting groove 12 formed in the center of the roller shaft 1 along the axial direction, the melting groove 12 can melt part of the casting body 2 in the melting groove, and the relative position of the roller shaft 1 and the casting body 2 is limited by the part of the casting body 2 in the melting groove 12, so that the rotation abrasion of the roller shaft 1 and the casting body 2 is avoided.

Further, in order to eliminate the problem that the fit clearance between the roller shaft 1 and the casting body 2 is increased during the long-time rotation of the roller, die-casting ridges 13 are circumferentially and intermittently arranged on the circumferential surface of the roller shaft 1 near the threaded portion 11, and a die-casting groove 14 is formed between the adjacent die-casting ridges 13. In the process that the melted casting body 2 covers the roller shaft 1, the casting body 2 is embedded into the die-casting groove 14 and is in mutual contact and matching with the plurality of die-casting ridges 13, so that the problem that the matching clearance between the roller shaft 1 and the casting body 2 is increased under the action of the external force of the roller is further solved.

Further, in order to eliminate the problem that the casting body 2 slides along the axial direction of the roller shaft 1 when the scooter is subjected to external force, the top end of each die-casting ridge 13 is higher than the circumferential surface of the roller shaft 1, and the side wall of the die-casting ridge 13 at the higher part is a limiting surface 13 a. The limit surfaces 13a are in fit contact with the casting body 2, and the casting body 2 in the die-casting groove 14 is in contact fit with the side walls of the die-casting groove 14, so that the problem that the casting body 2 slides along the axial direction of the roller shaft 1 is limited.

Further to improve the problem of restricting the rotation of the roller shaft 1 relative to the cast body 2, V-shaped grooves 13b are also die-cast in the top end of each of the die-cast ridges 13. In the process of melting and coating the cast body 2, the main body thereof can be melted into the V-shaped groove 13b, and the effect of restricting the rotation of the roller shaft 1 with respect to the cast body 2 is enhanced in addition to the die-casting groove 14.

The principle of the utility model is as follows: the fastening structure is arranged on the surface of the roller shaft used by the scooter and fastens the casting body with the roller shaft, and the casting body and the roller shaft form a relative fastening effect after being melted and coated on the outer circumferential surface of the roller shaft, so that the problems of mutual abrasion and rotation and axial movement of the casting body relative to the roller shaft are avoided, the stable sliding of the scooter is ensured, and the probability of easy damage of the scooter is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A roller axle for a scooter, characterized in that: the utility model discloses a roller, including gyro wheel axle (1), gyro wheel axle (1) both ends have screw thread portion (11) of connecting the gyro wheel, are located both sides between screw thread portion (11) the cladding has on the gyro wheel axle (1) body and is used for the casting body (2) fixed with gyro wheel axle (1) and scooter bottom surface gyro wheel axle (1) is equipped with on the surface will casting body (2) and its fastening structure of fastening each other.

2. A roller axle for a scooter according to claim 1 wherein: the fastening structure is a melting groove (12) which is arranged at the center of the roller shaft (1) along the axial direction of the roller shaft.

3. A roller axle for a scooter according to claim 2 wherein: the circumferential surface of the roller shaft (1) close to the threaded part (11) is provided with die-casting ridges (13) at intervals in a surrounding manner, and die-casting grooves (14) are formed between the adjacent die-casting ridges (13).

4. A roller axle for a scooter according to claim 3 wherein: the top end of each die-casting ridge (13) is higher than the circumferential surface of the roller shaft (1), and the side wall of the die-casting ridge (13) of the higher part is a limiting surface (13 a).

5. The roller axle for a scooter according to claim 4 wherein: and a V-shaped groove (13b) is also die-cast at the top end of each die-casting ridge (13).