| 摘要 |
The present invention discloses a strengthening structure of a plastic casing of an elevating motor, and the casing of a transmission gear box of the elevating motor includes a front casing and a rear casing, both made of a light-weight plastic material, and a metal reinforced plate installed at a position of the casing with maximum exerted propping force and torque and perpendicular to a bushing to form a rigid support structure for propping and supporting the casing, such that a load can be supported uniformly by the whole piece of the metal reinforced plate to overcome the problem of cracking a contact surface easily in the prior art, and achieve the effects of reducing the overall weight, maintaining the mechanical strength, extending the using life and providing a smooth transmission.
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