Multi-angle adjusting ratchet wheel structure
A multi-angle, ratchet technology, applied to sofas, couch, bed, etc., can solve the problem of single ratchet hinge structure, etc., and achieve the effect of convenient use and simple structure
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[0020] to combine Figure 1 to Figure 4 The multi-angle adjusting ratchet structure of the present invention is further described.
[0021] A multi-angle adjustable ratchet structure, which is characterized by: comprising a disc 1 and a ratchet 2 rotatably connected to the disc 1, the ratchet 2 is connected to the disc 1 in a rotatable structure through a rivet 3, and the rivet 3 is sleeved with The torsion spring, the two ends of the torsion spring are respectively positioned and inserted on the disc 1 and the ratchet 2, so as to provide a rotational torque for the ratchet 2. Described ratchet 2 is on rotation scope, has such as with respect to turntable figure 2 The left turn limit shown and the Figure 4 The right turn limit shown. The peripheral surface of the ratchet 2 has a ratchet groove 23 and a first limiting portion 21 and a second limiting portion 22 protruding from the peripheral surface of the ratchet 2. In this embodiment, the first limiting portion 21 and th...
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