Plane five-link folding mechanism
A folding mechanism and five-link technology are applied in the field of new folding mechanisms to achieve the effects of high rigidity, convenient operation and beautiful appearance
Inactive Publication Date: 2012-08-01
TIANJIN XINHE TECH +1
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Problems solved by technology
[0003] In order to overcome the deficiencies of existing folding mechanisms, the present invention provides a new type of folding mechanism, that is, a plane five-link folding mechanism
Method used
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[0017] figure 1 It shows that the plane five-link folding mechanism is composed of five rods and a positioning part as the main part. The rear support rocker 2 is connected, and the two ends of the displacement link 6 are respectively connected with the main beam rocker 5 and the front support link 4, and the other end of the front support link is connected with the other end of the rear support rocker.
[0018] figure 1 The normal state shows that: on the suitable position of the main beam rocker 5, set a positioning point, at the positioning point, between the connecting end of the rear support rocker 2 and the front support link 4 and the main beam rocker 5, the positioning hook 3 have been locked to each other, and now two stable triangles are formed on the main beam rocker 5, that is, the frame rod 1, the main beam rocker 5, and the rear support rocker 2 form a triangle, and the main beam rocker, variable The position link and the front support link form another triangl...
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A plane five-link folding mechanism mainly comprises five rod pieces and a positioning piece, wherein various pieces are mutually connected by completely using rotating pairs (hinge shafts); two ends of a stand rod are respectively connected with a main beam rocking bar and a rear support rocking bar; two ends of a displacement link are respectively connected with the main beam rocking bar and a front support link; the other end of the front support link is connected with the other end of the rear support rocking bar; a positioning point is arranged at the proper position of the main beam rocking bar; the connecting end of the front support rocking bar and the front support link and the main beam rocking bar can be mutually locked or unlocked at the positioning point; during locking, the stand rod, the main beam rocking bar and the rear support rocking bar form a triangle; the main beam rocking bar, the displacement link and the front support link form another triangle; various parts are completely and rigidly fixed by two stable triangles and the rigid main beam rocking bar; during unlocking, proper lengths of fiber rod pieces are selected, and then the displacement link is moved to the required position and angle relative to the stand rod and the folding of products is realized.
Description
technical field [0001] The invention relates to a novel folding mechanism, in particular to a novel folding mechanism adopting plane five linkages. Background technique [0002] At present, there are many kinds and types of known folding mechanisms, and many of them have been used on folding bicycles and electric vehicles, but most of them are the same or similar. These folding mechanisms each have many advantages, but also have some disadvantages, for example: Difficult to shift parts to proper positions and angles, inconvenient folding, unreliable use, unreasonable structure, insufficient structural rigidity and strength, high structural cost, limited folding positions and angles, etc. Contents of the invention [0003] In order to overcome the shortcomings of the existing folding mechanism, the present invention provides a new type of folding mechanism, that is, a plane five-link folding mechanism. [0004] The technical solution adopted by the invention to solve its t...
Claims
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Inventor 姜富军
Owner TIANJIN XINHE TECH