Garbage can lid stop mechanism and garbage can

The invention provides a garbage can lid stop mechanism. The garbage can lid stop mechanism comprises a bag pressing ring detachably mounted on the can body opening edge of a garbage can, and an arc baffle plate mounted on the outer surface of the bag pressing ring by a straight edge. The garbage can lid stop mechanism is connected with a can body of the garbage can through the bag pressing ring; and as the arc baffle plate of the lid stop mechanism is higher than the upper edge of the can body, in the garbage throwing process, the arc baffle plate can improve the accuracy of throwing garbage into the can, the secondary pollution of the garbage cannot be generated, and the secondary throwing phenomenon is reduced. 本发明提供了种垃圾桶挡盖机构，包括可拆卸安装在垃圾桶桶体开口边缘上的压袋圈和直边安装在所述压袋圈外表面的圆弧形挡板。本发明提供的垃圾桶挡盖机构通过压袋圈与垃圾桶桶体相连，挡盖机构包括的圆弧形挡板高出桶体的上边缘，从而使得在垃圾投掷的过程中，圆弧形挡板的存在能够提高垃圾投掷入桶的准确率，不会形成垃圾的二次污染，减少了二次投掷的现象。