Passive gravity self-adaptive support structure

Abstract

The application discloses a passive gravity self-adaptive bearing structure and belongs to the technical field of flexible mechanics support. The scheme is provided with a four-layer gravity gradient layered spherical architecture, the spherical bodies of the layers are staggered and occluded, and vertical loads are decomposed by means of three-point occlusion structures; a marginal processing unit is arranged on a stress conversion layer to balance the edge stress; and flexible constraint and synchronous deformation are realized by cooperating with self-adaptive grid cells. The application discards traditional spring and glue bonding structures, realizes passive self-adaptive bearing by relying on pure mechanics conduction, uniformly disperses stress, is environmentally friendly and durable, is suitable for various supporting and buffering scenes, and solves the defects of stress concentration, edge failure and easy aging and abnormal sound of a traditional support body.

Description

Technical Field

[0001] This invention relates to the field of flexible mechanical support technology, specifically to a passive gravity adaptive support structure. Background Technology

[0002] Existing support products generally use a combination of springs, foam, and latex. Spring structures are prone to metal fatigue, abnormal noise, and localized collapse after long-term use; foam and latex structures have insufficient breathability, are prone to aging and hardening, and experience concentrated stress under pressure, resulting in poor fit and an inability to achieve uniform support over the entire area.

[0003] Traditional support structures generally rely on adhesive assembly, which is not environmentally friendly, has limited structural deformation capacity, offers only one type of support, has weak self-adaptability, and is applicable to limited scenarios. Summary of the Invention

[0004] The purpose of this invention is to overcome the defects of the prior art and provide a passive gravity adaptive support structure. Relying on the layered mechanical transmission and staggered interlocking structure, it achieves springless and glueless assembly, and completes passive adaptive support by its own weight, eliminating local stress concentration and improving support uniformity and structural versatility.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A passive gravity adaptive support structure includes a four-layer gravity gradient layered structure, which, from top to bottom, consists of a surface spherical unit, a conduction layer spherical unit, a stress transfer layer spherical unit, and a bottom support layer spherical unit.

[0006] Each layer of spherical units is defined as an independent force-bearing unit by the cell. The spherical units of each layer are arranged in a staggered manner, with the upper layer spheres corresponding to the gaps of the lower layer spheres, forming a three-point interlocking force-bearing structure.

[0007] Edge treatment units are set in the edge area of ​​the stress transfer layer, and the edge interlocking gap is made up by a mixture of spheres of different sizes.

[0008] The cells adopt an adaptive grid structure, which can adjust synchronously with the deformation of the sphere to achieve uniform stress transmission throughout the structure.

[0009] The adaptive mesh is a flexible and elastic mesh, including but not limited to star-shaped, honeycomb-shaped and other structures, which can adaptively match the deformation according to the size of the sphere.

[0010] Set an external hard frame and a deformation buffer. The deformation buffer is located inside the external hard frame to reserve space for cell deformation.

[0011] The adaptive sphere is matched with the corresponding material according to the usage environment, so that it can be deformed under the action of external force and automatically restore its shape after the external force is removed. Figure 1 This is a cross-sectional schematic diagram of the core force principle of the present invention. 1-Surface spherical unit, 2-Conduction layer spherical unit, 3-Stress transfer layer spherical unit, 4-Bottom support layer spherical unit, 5-Gravity gradient force flow direction, 6-Cell boundary, 7-Staggered interlocking structure, 8-Edge treatment unit. Figure 2 This is a top view of the overall structure of an embodiment of the present invention. 1-External hard frame, 2-Deformation buffer, 3-Internal and external fixed reserved positions, 4-Adaptive cell, 5-Adaptive sphere. Figure 3 This is a top-view schematic diagram of an embodiment of the adaptive grid of the present invention. 1- Cross-shaped grid unit (example), 2- Internal and external fixed reserved positions. Figure 4 This is a schematic diagram of a partial structure of the frame and reinforcing ribs in an embodiment of the present invention. 1-External rigid frame, 2-Internal reinforcing ribs (example). Detailed Implementation

[0012] like Figure 1 As shown, this invention features a four-layer continuous gradient support structure, consisting of a surface spherical unit 1, a conduction layer spherical unit 2, a stress transfer layer spherical unit 3, and a bottom support layer spherical unit 4 arranged sequentially from top to bottom. External forces are distributed downwards layer by layer along the gravity gradient force flow direction 5, and each layer is divided into independent stress-bearing areas by cell boundaries 6. Each layer of spheres employs a staggered interlocking structure 7, with upper and lower layers of spheres arranged in a staggered manner. When an upper layer sphere is under pressure, it engages with two lower layer spheres, forming a stable triangular interlocking support and preventing vertical stress pathways. Edge treatment units 8 are located on both sides of the stress transfer layer, using spheres of varying sizes arranged alternately to compensate for missing interlocking in the edge areas, ensuring a unified stress system between the structural center and edges.

[0013] like Figure 2 As shown, the structure is assembled with an external rigid frame 1, and a deformation buffer zone 2 is set around the inner side of the frame. Adaptive cells 4 and adaptive spheres 5 are neatly arranged inside the frame. The inner and outer fixed reserved positions 3 are used for assembly positioning and structural limitation to ensure sufficient deformation space for the internal adaptive structure. The adaptive spheres can be matched with corresponding materials according to the usage environment to meet the requirements of controllable deformation under external force and self-restoration after the external force is removed. The surface of the spheres can be frosted or covered with a sound-absorbing skin to reduce friction noise generated by the relative movement between the spheres.

[0014] like Figure 3As shown, the adaptive mesh can be implemented using a star-shaped mesh element (example), and assembly and fixation are completed through internal and external fixed pre-reserved positions 2. This mesh structure is only one implementation form; similar flexible and deformable mesh structures are all applicable to this technical solution.

[0015] like Figure 4 As shown, an internal reinforcing rib (example) 2 can be added to the inner side of the external rigid frame 1 to improve the overall rigidity and deformation resistance of the frame. The structural form of the reinforcing rib is not uniquely defined, but is based on meeting the overall structural strength requirements of the frame.

Claims

1. A passive gravity-adaptive support structure, characterized in that, It includes a four-layer gravity gradient structure, from top to bottom: surface spherical unit, conduction layer spherical unit, stress transfer layer spherical unit, and bottom support layer spherical unit; Each layer of spherical units is defined as an independent force-bearing unit by the cell. The spherical units of each layer are arranged in a staggered manner, with the upper spheres corresponding to the gaps of the lower spheres, forming a three-point interlocking force-bearing structure. Edge treatment units are set at the edge area of ​​the stress transfer layer, and the edge interlocking gap is made up by a mixed arrangement of spheres of different sizes. The cells adopt an adaptive grid structure, which can adjust synchronously with the deformation of the sphere to achieve uniform stress transmission throughout the structure.

2. The passive gravity adaptive support structure according to claim 1, characterized in that: The adaptive mesh is a flexible and elastic mesh, including but not limited to star-shaped, honeycomb-shaped and other structures, which can adaptively match the deformation according to the size of the sphere.

3. The passive gravity adaptive support structure according to claim 1, characterized in that: Set an external hard frame and a deformation buffer. The deformation buffer is located inside the external hard frame to reserve space for cell deformation.

4. The passive gravity adaptive support structure according to claim 1, characterized in that: The adaptive sphere is matched with the corresponding material according to the usage environment, so that it can be deformed under the action of external force and automatically restore its shape after the external force is removed.

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