Armrest locking structure and armrest structure thereof
A locking structure and handrail technology, applied in the field of nursing beds, can solve problems such as secondary injuries, inability to support effectively, patients falling down, etc., and achieve the effect of increasing the effect of fibers and improving safety
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Embodiment 1
[0028] refer to Figure 1-3 , an armrest locking structure, including an adjustment cylinder 1 and a rotating shaft 2 that is rotatably arranged at both ends of the adjustment cylinder 1, and a cylinder-shaped adjustment cavity 11 arranged around the rotation shaft 2 is opened in the adjustment cylinder 1 on the outside of the rotation shaft 2, The bottom of the rotating shaft 2 is symmetrically opened with an arc-shaped limiting groove 21 that communicates with the adjusting cavity 11 and is gradually concave toward the inner side of the rotating shaft 2. The adjusting cavity 11 is provided with a one-way limiting locking and abutting against the limiting groove 21 There is a locking mechanism inside, and a locking mechanism that can move vertically to abut against and limit the locking mechanism is provided on the top of the adjustment cylinder 1 .
[0029] in,
[0030] The locking mechanism includes an arc-shaped compression spring 3 arranged in the adjustment chamber 11, ...
Embodiment 2
[0038] refer to figure 1 and Figure 4 , a handrail using the above-mentioned locking structure, including a guardrail body 9, the two ends of the guardrail body 9 are respectively fixed on the two ends of the rotating shaft 2, and at the same time, the adjustment cylinder 1 is fixed on the nursing bed frame 0.
[0039] In this application, the structures and connection relationships that are not described in detail are all prior art, and their structures and principles are already known technologies, and will not be repeated here.
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