Gear easy to dissipate heat

The utility model discloses an easy heat dissipation gear, which comprises a gear module and a heat dissipation module, the gear module comprises a ring body, a gear ring movably sleeved on the outer side of the ring body, and a bolt connected between the ring body and the gear ring, the heat dissipation module comprises a plurality of ventilation grooves formed in the top and the bottom of the ring body, pipe bodies installed in the ventilation grooves and a plurality of through holes formed in the ring body. According to the utility model, after the ring body provided with the gear ring is sleeved on the external main shaft, when the external main shaft drives the ring body and the gear ring to rotate, air can be filled into the ventilation slots, and then the through holes also help the ring body to dissipate heat, so that the product is effectively prevented from being overheated under double heat dissipation. 本实用新型公开了一种易散热齿轮，包括齿轮模块和散热模块，所述齿轮模块包括环体、活动套接于所述环体外侧的齿环、连接于所述环体和齿环之间的螺栓，所述散热模块包括开设于所述环体顶部和底部的多个通风槽