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Four-connecting rod lifting mechanism

A lifting mechanism and four-link technology, which is applied in medical science, hospital beds, hospital equipment, etc., can solve problems such as poor stability and poor synchronization of two links, and achieve good stability and strong stability

Inactive Publication Date: 2015-05-13
佛山市东品美业五金制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The connecting rod of this lifting structure is slidingly connected with the bottom frame and the top frame, and its stability is poor, and the synchronization of the two connecting rods is poor when rising or falling.

Method used

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] figure 1 with figure 2 A four-link lifting mechanism according to an embodiment of the present invention is schematically shown.

[0015] Such as figure 1 with figure 2 As shown, the four-link lifting mechanism includes a bottom frame 1 , a top frame 2 , a plurality of connecting rods 3 and a driving device 5 . There are two connecting rods 3 in this embodiment. One end of the connecting rod 3 is movably connected with the bottom frame 1, and the other end is movably connected with the top frame 2. Two connecting rods 3 are arranged in parallel, and a synchronization rod 4 is connected between the two connecting rods 3. The drive device 5 is connected to the synchronization rod 4 .

[0016] The synchronizing rod 4 is located at one end of the connecting rod 3 close to the bottom frame 1 . The ends of the two connecting rods 3 are all welded wi...

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Abstract

The invention discloses a four-connecting rod lifting mechanism which comprises a bottom frame, a top frame and two connecting rods. One ends of the connecting rods are movably connected with the bottom frame while the other ends are movably connected with the top frame, the connecting rods are parallelly arranged, and a synchronizing rod is connected between the connecting rods. Therefore, the connecting rods can move synchronously by the aid of the synchronizing rod, and stability in lifting is guaranteed. The bottom frame, the top frame and the connecting rods form a quadrilateral structure, so that stability in lifting is further enhanced, a lifting mechanism can be declined to the lowest position, and wheelchair users can be transferred to nursing beds, massage beds or treatment tables. The connecting rods are respectively hinged with the bottom frame and the top frame, so that stability of the connecting mode is high.

Description

technical field [0001] The invention relates to a height adjustment mechanism, in particular to a four-link lifting mechanism, which is used for platforms or beds requiring height adjustment, such as nursing beds, massage beds, and treatment tables. Background technique [0002] Nursing beds, massage beds, and treatment tables are usually equipped with height adjustment devices for operational needs. The existing height adjustment device is generally a cross-link structure, that is, an "X" type lifting structure. The connecting rod of this lifting structure is slidingly connected with the bottom frame and the top frame, and its stability is poor, and the synchronization of the two connecting rods is poor when rising or falling. Contents of the invention [0003] The object of the present invention is to provide a four-link lifting mechanism with stable height adjustment, high linkage synchronization and adjustable to lower height. [0004] In order to achieve the above o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61G7/05A61G13/10A61H1/00
Inventor 李国林李国良吴天明
Owner 佛山市东品美业五金制品有限公司
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