Rotary closed type unilateral bolt fastener
A technology of unilateral bolts and fasteners, which is applied in the direction of connecting components, pins, mechanical equipment, etc., can solve the problem that bolts cannot be fastened on one side, and achieve the effects of good fastening effect, simple operation and convenient production
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[0026] The structural arrangement of the rotary-closed unilateral bolt fastener in this embodiment includes:
[0027] Such as Figure 1a with Figure 1b As shown, the front section of the screw 1 is a threaded rod 1a, the middle section is a polished rod 1d, and the tail of the screw 1 is a polished rod journal section 1b; the front end of the screw 1 is marked with installation prompt lines 1c at intervals of 120°; The nut 3 is threaded with the thread 1a of the screw 1 (such as Figure 5a Shown);
[0028] Such as Figure 2a with Figure 2b As shown, the three ring cards 2 are the front end card 2a, the middle card 2b, and the tail card 2c. The ring card 2 is sleeved on the tail journal section 1b of the screw with a ring body; the front end card 2a and the middle card 2b can be The journal section is free to rotate, and the tail clip 2c is fixedly connected with the screw 1;
[0029] Such as Figure 3a with Figure 3b As shown, the side-view shape of the three ring cards 2 is a "kn...
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