| 摘要 |
<p>Disclosed is a multifunction rapid-assembly mounting hole (1). The mounting hole (1) is rectangle-shaped, the top thereof is provided with a semicircular hole, the top semicircular hole is provided with paired position-limiting hole one (2) and position-limiting hole two (3) extending outward symmetrically; several small rectangular positioning holes (4) are distributed uniformly on the periphery of the mounting hole (1), one end of any of the three small rectangular positioning holes (4) is opened, the opened ends are respectively in communication with the mounting hole (1) via a straight slot (5); the bottom of the mounting hole (1) is a rapid-assembly opening (6), the junction of two sides of the rapid-assembly opening (6) and the mounting hole (1) is provided with paired position-limiting hole three (7) and position-limiting hole four (8). The mounting hole can be applicable for more than 98% electric tools, the utilization rate of the electric tools is greatly improved, the exchanging of tool heads is convenient and fast for a user, such that the labour productivity is greatly improved and the labour required for a user is reduced.</p> |
