| 摘要 |
PURPOSE: A structure of a plastic water pump is provided to stably mount a bearing body, and to secure the safety of a bearing inserted into an insert. CONSTITUTION: A structure of a plastic water pump comprises a body(1), an insert(3), a bearing(5), and an anti-separation unit. The body is made of plastic. The insert is integrally injected in the body. The bearing is inserted into the insert. The anti-separation unit is connected to the insert, and prevents s the bearing from becoming separated. A plurality of grooves(9) is formed on the outer periphery of the insert. The anti-separation unit comprises an anti-separation cap(11) installed in one end of the insert. |
