Portable sitting and lying auxiliary backrest supporting device
A supporting device and a portable technology, applied in the field of portable sitting and lying auxiliary backrest supporting devices, can solve the problems of inability to adjust, low penetration rate, inconvenient daily use, etc., and achieve the effects of quick installation and disassembly, easy portability and high adaptability
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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0026] Such as Figure 1 to Figure 7 As shown, a portable sitting and lying auxiliary back support device includes a fixed frame 1. The fixed frame 1 is provided with two groups and arranged symmetrically with each other. The fixed frame 1 is composed of the first pole 2, the second pole 3 and the third pole 4. Composition, one end of the No. 1 rod 2 is fixedly installed with a No. 1 hydraulic cylinder 21, the output end of the No. 1 hydraulic cylinder 21 runs through the No. 1 rod 2 and is fixedly installed with a No. 1 fixed block 22, and one side of the No. 1 fixed block 22 is pro...
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