Arm rotation positioning mechanism
The utility model relates to the technical field of fitness equipment, in particular to an arm rotation positioning mechanism which comprises a supporting sleeve and a rotating sleeve, the supporting sleeve is arranged on a stand column in a sleeved mode, a positioning block is elastically connected...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to the technical field of fitness equipment, in particular to an arm rotation positioning mechanism which comprises a supporting sleeve and a rotating sleeve, the supporting sleeve is arranged on a stand column in a sleeved mode, a positioning block is elastically connected to the supporting sleeve, an arm is connected to the rotating sleeve, and the rotating sleeve is connected with the supporting sleeve. The rotary sleeve is arranged on the supporting sleeve in a sleeving mode, a plurality of positioning grooves are formed in the positions, corresponding to the positioning blocks, of the rotary sleeve in the circumferential direction, and the rotary sleeve can rotate around the supporting sleeve and is clamped into one of the positioning grooves through the positioning blocks for positioning. According to the arm rotating and positioning mechanism, the positioning blocks elastically connected to the supporting sleeve are matched with the positioning grooves in the rotating sleeve, |
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