Pet wheel axle fixing structure

TWM686083UActive Publication Date: 2026-08-01YING YEEH ENTERPRISE CO LTD
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Utility models
Current Assignee / Owner
YING YEEH ENTERPRISE CO LTD
Filing Date
2026-05-12
Publication Date
2026-08-01

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Abstract

This invention relates to a fixing structure for a pet roller axle seat. It mainly consists of a set of upright parts at one end of a roller, with several tenons around the periphery of these upright parts. Additionally, several locking holes are provided in the cavity wall of the upright part of the axle seat. During assembly, the upright part of the roller is placed in the cavity of the axle seat, and the tenons around the upright part of the roller and the locking holes in the cavity wall of the axle seat are rotated and locked together. This locking mechanism not only prevents the roller and axle seat from loosening or shaking due to vibration, but also saves on assembly costs and improves assembly convenience.
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Claims

1. A pet roller axle seat fixing structure, comprising: a roller having a relatively open end and a closed end, and having a hollow chamber formed inside, the opening of the chamber being located at the open end, and a set of upright portions being provided at the center of the closed end, and a number of spaced-apart tenons being formed around the periphery of the set of upright portions; a shaft seat having a set of upright cavities, and a number of spaced-apart protrusions and concave portions being formed on the cavity wall of the set of upright cavities, and a locking hole being provided at each of the concave portions, the set of upright portions of the roller being correspondingly disposed in the set of upright cavities of the shaft seat, the number of tenons provided around the periphery of the set of upright portions of the roller being located at the number of protrusions or the number of concave portions of the set of upright cavities, and the number of tenons of the roller being engaged or disengaged from the locking holes provided at the number of concave portions respectively.

2. The pet roller axle fixing structure as described in claim 1, wherein, The bottom center of the cavity of the bearing is provided with a groove, and a through hole is provided at the bottom of the groove.