阅读说明：本技术 一种差速锁止机构 (Differential locking mechanism ) 是由 郭放 于 2020-05-21 设计创作，主要内容包括：一种差速锁止结构,包括差速器和锁止结构,差速器包括从动齿轮(1)、差速器壳(2)、半轴(10)、半轴齿轮(14)、第一行星齿轮(3)、第二行星齿轮(4)、第一行星齿轮轴(5)以及第二行星齿轮轴(15)；锁止装置包括套筒(9)、第三齿轮(6)、齿套(11)、拨叉(8)和固定件(12)；第一行星齿轮轴(5)位于差速器壳外的一端固定设置有第三齿轮(6),差速器壳一端固定设置有套筒(9),套筒靠近差速器壳的一侧套设有第四齿轮(16),第四齿轮与套筒转动连接,第四齿轮一端固定连接有第五齿轮(13),第五齿轮(13)与套筒(9)转动连接,套筒(9)远离差速器壳的一端有纵向齿槽,齿套(11)套设在套筒上,与齿槽啮合并能沿套筒纵向移动,齿套(11)一端有齿并且能与第五齿轮(13)啮合,齿套外有环状凹槽,凹槽内活动连接有拨叉(8)。(A differential locking structure comprises a differential and a locking structure, wherein the differential comprises a driven gear (1), a differential case (2), a half shaft (10), a side gear (14), a first planetary gear (3), a second planetary gear (4), a first planetary gear shaft (5) and a second planetary gear shaft (15); the locking device comprises a sleeve (9), a third gear (6), a gear sleeve (11), a shifting fork (8) and a fixing piece (12); the one end that first planetary gear axle (5) are located the differential mechanism shell outside is fixed and is provided with third gear (6), differential mechanism shell one end is fixed and is provided with sleeve (9), one side cover that the sleeve is close to the differential mechanism shell is equipped with fourth gear (16), the fourth gear is connected with the sleeve rotation, fourth gear one end fixedly connected with fifth gear (13), fifth gear (13) are connected with sleeve (9) rotation, sleeve (9) keep away from the one end of differential mechanism shell and have vertical tooth's socket, tooth cover (11) cover is established on the sleeve, with the tooth's socket meshing and can follow sleeve longitudinal movement, tooth cover (11) one end has the tooth and can mesh with fifth gear (13), the tooth cover has annular groove outward, swing joint has shift fork (8) in the recess.)