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Foldable prism structure with rotary motion

A technology of rotating motion and prisms, which is applied in the direction of building components, residential buildings, building structures, etc., can solve the problems of small folding and unfolding ratios, and achieve easy processing and manufacturing and mass production, simple structure, and large folding and unfolding ratios. Effect

Pending Publication Date: 2022-05-20
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there are relatively few applications for the prism structure to maintain the prism state with a closed internal space and achieve rigid folding, and there are still shortcomings such as a small folding and unfolding ratio.

Method used

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  • Foldable prism structure with rotary motion
  • Foldable prism structure with rotary motion
  • Foldable prism structure with rotary motion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Picture 1-1 It is the module expansion pattern of the foldable prism structure in the present invention, and the pattern is composed of four congruent triangles whose right-angled side lengths are a and b, and the first, second, third and third sides of the four congruent triangles are The fourth surfaces are A1, A2, A3 and A4 respectively; the first surface A1 is adjacent to the second surface A2 and is connected to each other through the first rotating pair L1, and the second surface A2 is adjacent to the third surface A3 and is connected through the second rotating pair The pair L2 is connected to each other, the third surface A3 is adjacent to the fourth surface A4 and connected to each other through the third rotating pair L3, and the center line of the rotating pair is folded outward around the solid line to form a convex shape, forming a folded shape of the module such as Figure 1-2 As shown, a module of a foldable prism structure is formed in this way. Mirror ...

Embodiment 2

[0057] Such as Figure 6-1 As shown, this embodiment provides an unfolded structure of a foldable quadrangular prism with rotational movement, including a top surface C1, a bottom surface C2 and four modules II1, II2, II3, II4. The top surface C1 and the bottom surface C2 are congruent squares, and the structural parameters of the four modules II1, II2, II3, and II4 are the same.

[0058] The top surface C1 and the bottom surface C2 are arranged in parallel, respectively serving as the upper and lower bottom surfaces of the foldable prism structure; the top surface C1 is adjacent to the first surface of the module II1 and connected to each other through the upper turning pair N1 of the module II1, in a counterclockwise order, The top surface C1 is adjacent to the first surface of the module II2 and is connected to each other through the upper turning pair N2 of the module II2, and the top surface C1 is adjacent to the first surface of the module II3 and is connected to each ot...

Embodiment 3

[0066] Such as Figure 10-1 As shown, this embodiment provides a structure in the unfolded state of a foldable pentagonal prism with rotational movement, including a top surface D1, a bottom surface D2 and five modules III1, III2, III3, III4, III5. The top surface D1 and the bottom surface D2 are congruent regular pentagons, and the structural parameters of the five modules III1, III2, III3, III4, and III5 are the same.

[0067]The top surface D1 and the bottom surface D2 are arranged in parallel, respectively serving as the upper and lower bottom surfaces of the foldable prism structure; the top surface D1 is adjacent to the first surface of the module III1 and connected to each other through the upper rotation pair O1 of the module III1, in a counterclockwise order, The top surface D1 is adjacent to the first surface of the module III2 and connected to each other through the upper turning pair O2 of the module III2, and the top surface D1 is adjacent to the first surface of ...

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Abstract

The invention discloses a foldable prism structure with a rotary motion function. The foldable prism structure comprises a top surface, a bottom surface and more than three modules, the top surface is a regular polygon with more than or equal to 3 edges; the bottom surface is a regular polygon congruent with the top surface; the number of the modules is the same as the number of edges of the top surface, the modules are the same in structure, each module comprises four congruent right triangle surfaces, namely a first surface, a second surface, a third surface and a fourth surface in sequence, and the first surface, the second surface, the third surface and the fourth surface in each module are connected in sequence; the top surface and the bottom surface are parallel, and the top surface and the bottom surface are respectively positioned at the top and the bottom of the foldable prism structure; each module is placed between the top surface and the bottom surface; one edge of the first face of each module is connected with one edge of the top face, and one edge of the fourth face of each corresponding module is connected with one edge of the bottom face.

Description

technical field [0001] The invention relates to the field of expandable prism structures, in particular to a foldable prism structure with a large expansion ratio and rotational movement. Background technique [0002] A foldable structure is a structure with controllable and variable geometry, which can realize the transition between a tightly folded state and a target unfolded state. When this type of structure is in the folded state, it has a small volume for storage and transportation, and when it is in the unfolded state, it can meet the needs of normal work. Due to its good folding properties, foldable structures have been widely used in various engineering fields, such as foldable satellite antennas in the aerospace field, foldable solar cell arrays, and foldable wings, and temporary structures in the civil engineering field. Tents, foldable domes, foldable furniture, foldable vascular stents in the biomedical field, surgical forceps, etc. [0003] Existing foldable ...

Claims

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Application Information

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IPC IPC(8): E04H1/02E04B1/343E04B1/348E04B1/98B65D5/02
CPCE04H1/02E04B1/348E04B1/98B65D5/02E04B1/343
Inventor 陈焱张霄冯刚
Owner TIANJIN UNIV
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