Slide ball pin assembly suitable for heavy duty truck balance rear-pendant thrust rod
A sliding ball, rear suspension technology, applied in the direction of suspension, vehicle parts, cantilever mounted on the pivot, etc. Pin failure and other problems, to avoid easy failure, improve life and improve reliability.
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[0013] The present invention will be further described below in conjunction with the drawings and embodiments.
[0014] figure 1 , 2 The sliding ball pin assembly 6 includes a ball pin metal joint bearing and an end cover 5. The ball pin metal joint bearing includes a ball pin 1 and a friction pair outer ring 2. The middle of the ball pin 1 is spherical, and the outer side of the ball pin 1 is assembled There is a matching friction pair outer ring 2, which forms a friction pair in the form of universal motion. The outer circumferential surface of the friction pair outer ring 2 is vulcanized with a layer of polyurethane 3. The polyurethane 3 connects the friction pair outer ring 2 with the two ends. The cover 5 is vulcanized into one body. The spherical surface of the ball pin 1 is provided with oil storage grooves 11 distributed in a cross pattern.
[0015] The outer ring 2 of the friction pair has a split structure, and the outside is fixed as a whole by a spring lock ring 4.
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