Height-adjustable rack and refrigerator
An adjustable shelf technology, which is applied to household refrigeration devices, lighting and heating equipment, household appliances, etc., can solve the problems of complex structure of electric devices, high manufacturing cost, failure of lifting mechanism, etc., and achieve simple structure, easy installation and Low maintenance cost and low manufacturing cost
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Embodiment 1
[0040] Such as Figure 1 to Figure 3 As shown, a height-adjustable shelf includes a pair of lifting devices 2 and a shelf 1, and the two lifting devices 2 are symmetrically installed on both sides of the shelf 1, and drive the shelf 1 up and down. The storage board 1 is a square plate, and the lifting device 2 includes a rectangular housing 21 , a lower guide rail 22 , a cam 24 , an upper guide rail 23 and a return spring 26 .
[0041] A strip-shaped sliding cavity 21a is formed inside the housing 21, and at least the upper end of the sliding cavity 21a is an open opening. The lower guide rail 22 is installed on the bottom of the slide chamber 21a, and can slide horizontally in the slide chamber 21a. The width of the lower guide rail 22 is the same as that of the slide chamber 21a, so that the lower guide rail 22 can only slide forward and backward in the slide chamber 21a, that is, along the Sliding along the length direction of the sliding cavity 21a. Preferably, the botto...
Embodiment 2
[0054] combine Figure 8 to Figure 10 As shown, the position-limiting cooperation between the upper guide rail 23 and the sliding chamber 21a in this embodiment is different from that in Embodiment 1. A vertical groove 23a is provided on one side of the upper guide rail 23, and a vertical groove 23a is provided on the inner wall of the sliding chamber 21a. There is a vertical rib 21c with the same width as the vertical groove 23a, and the vertical groove 23a and the vertical rib 21c are slidingly matched up and down to limit the upper guide rail 23 to slide up and down relative to the sliding cavity 21a.
[0055] Such as Figure 11 As shown, the present invention also relates to a refrigerator, which is configured with the height-adjustable shelf described in any of the above-mentioned embodiments, and the refrigerator also includes an inner container 4, the inner container 4 A support structure 41 is provided on the side wall, and the housing 21 is fixedly clamped on the sup...
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