Trailer arm assembly
A technology of arm components and trailers, which is applied in the field of trailer arm components, can solve problems such as poor stability and axial series movement, and achieve the effects of good stability, firm connection and reduced production costs
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[0033] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0034] Such as Figure 1 to Figure 5 As shown, the trailer arm assembly includes a connecting arm 1, a supporting arm 2, a main ball head 3 and a secondary ball head 4, wherein the supporting arm 2 is connected with the connecting arm 1, and the supporting arm 2 has a mounting hole 21; the main ball head 3 has The extension portion 33 is cylindrical and inserted into the installation hole 21 ; the auxiliary ball head 4 has an installation portion 43 , and the installation portion 43 is inserted in the extension portion 33 and screwed to the extension portion 33 .
[0035] In this trailer arm assembly, the sleeve originally used to connect the main ball head 3 and the auxiliary ball head 4 is designed into an integrated str...
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