A flat plate bending switchable yurt heat insulation skin
By using an air cushion structure and a double-layer foam chamber design, the problem of balancing flexibility and thermal insulation performance in yurt insulation materials has been solved, achieving flexible coverage and efficient thermal insulation for yurts while reducing manufacturing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-05-30
- Publication Date
- 2026-03-31
AI Technical Summary
Existing yurt insulation materials cannot balance flexibility and insulation performance, and their insulation performance declines over time. They also cannot effectively fit the convex curved surface of the yurt and are costly.
Design an air cushion structure including a flexible laminated foam layer and a flexible stacked foam layer. The flat or convex curve state can be switched through a snap-fit structure and air pressure adjustment. The thermal insulation performance is enhanced by combining a double-layer foam chamber structure. Foamed resin material and flexible membrane material are used to improve the fit and thermal insulation capacity.
It enables flexible switching between flat and convex curved surfaces for yurt insulation skin, maintaining excellent heat and cold insulation performance, not deteriorating over time, and is lightweight and low-cost, suitable for close-fitting yurt covering.
Smart Images
Figure CN116749617B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of yurts, and more specifically to a flat, flexible, and switchable yurt insulation skin. Background Technology
[0002] As an important carrier of Mongolian culture, the yurt, with its unique architectural form and characteristics of being movable, easy to assemble, inexpensive, and practical, has been passed down through generations of Mongolian herders. In summer, the yurt benefits from the smooth ventilation provided by its domed structure, resulting in a comfortable indoor environment. Traditionally, yurts are covered with felt for insulation, consisting of a head covering, a cover felt, and surrounding felt. The cover felt consists of two fan-shaped pieces of felt at the front and back; the surrounding felt is generally composed of four rectangular pieces of felt used to wrap the yurt. Felt blankets are laid on the grass inside, effectively protecting people from moisture and cold when sitting or sleeping. However, due to the poor insulation performance of felt and blankets, and the lack of a material with excellent heat insulation capabilities, the living environment of the yurt has been fundamentally altered, even threatening the gradual disappearance of this architectural form from Mongolian life. Therefore, there is an urgent need to develop a heat-insulating covering for the yurt that can significantly improve the living environment.
[0003] Double-glazed vacuum-insulated glass allows the yurt to enjoy bright sunlight, but this reduces its insulation performance. Installing air conditioning in the yurt would make its operation very expensive. Air cushions and foam boards are good insulation materials, but existing insulation materials have the following drawbacks:
[0004] (1) Both air cushions and foam boards are rigid and designed to be flat, but they cannot be used for the fitting of yurts.
[0005] Sekisui Chemicals Co., Ltd. of Japan disclosed a partition body A (Publication No.: JP2013167074A, Publication Date: August 29, 2013), comprising a core material 10 and a surface material 20. Multiple air chambers 30 are provided between the core material 10 and the surface material 20, and the air chambers 30 are in communication with the outside of the surface material 20, allowing air to be supplied to or discharged from the air chambers 30. The core material 10 is molded from foamed resin and includes columnar portions 11 and connecting portions 12 alternately arranged in the planar direction of the board. The core material 10 has rigidity capable of maintaining an upright position. Although partition body A is a foam board + air chamber design, it has a strong thermal insulation effect. However, due to the rigidity of the core material 10, it cannot adhere well to curved walls and is therefore unsuitable for the conformal covering of yurts.
[0006] (2) When air chambers are stacked, thermal insulation performance and flexibility cannot be taken into account at the same time.
[0007] Dai Nippon Printing Co., Ltd. disclosed a thermal insulation composite sheet 21 for building components (Publication No.: JP2000240182A, Publication Date: September 5, 2000), comprising a first resin film 22 and a second resin film 24 stacked together by heat sealing or the like, forming multiple arrays of air chambers 23 between them. The first resin film 22 is flat, and the second resin film 24, located above, is manually formed into a resin film sheet with multiple arrays of air chambers 23 by vacuum forming. The aforementioned resin film is flexible and can suppress heat conduction, and its thermal insulation ability does not deteriorate over time during use. If the thermal insulation composite sheet 21 is a thin film, its cold insulation ability will obviously be poor; if it is a thick plate, it will lose its flexibility. However, at the intervals between the air chambers 23, the two resin films 22 and 24 are directly stacked, which is not cold-insulating. Therefore, when used for the outer skin of a yurt, its cold insulation ability is poor and it still cannot meet the comfort requirements.
[0008] Therefore, there is an urgent need in this field for a special type of insulation material for yurts that can be flat or flexibly bent along a convex surface. When flat, it can be used for laying the floor inside the yurt, and when flexibly bent along a convex surface, it can be used for the perimeter felt. It has excellent heat and cold insulation capabilities that will not deteriorate over time. It is lightweight and has low manufacturing costs. This is a problem that the industry urgently needs to solve in the development of livable yurts. Summary of the Invention
[0009] In view of the defects existing in the prior art, the purpose of the present invention is to provide a flat, bendable, and switchable yurt insulation skin, which can be flat or flexibly bent along a convex surface, has excellent heat and cold insulation capabilities that do not deteriorate over time, is lightweight, and has low manufacturing cost, so as to solve the technical problem that yurt insulation skin is not suitable for habitation.
[0010] The objective of this invention is achieved by providing a flat, bendable, switchable yurt insulation skin, comprising an air cushion structure, said air cushion structure including...
[0011] The flexible laminated foam layer includes a flexible substrate and rigid air chambers, with multiple rigid air chambers arranged in a spaced array along the length direction on the flexible substrate;
[0012] A flexible stacked bubble layer, the flexible stacked bubble layer including a flexible top material and spring bubble chambers, the spring bubble chambers being spaced apart on one side of the flexible top material;
[0013] The snap-fit structure allows the flexible stacked bubble layer to be stacked on top of the flexible bonded bubble layer, with the spring bubble chamber facing the gap between two adjacent rigid air chambers.
[0014] The air cushion structure switches between a flat state and a convex curve state. In the flat state, the air pressure of the spring bubble is less than or equal to the first air pressure. Two adjacent rigid air chambers are parallel and side by side, with the spring bubble facing the gap between the two adjacent rigid air chambers and stacked on top of the gap to form a flat shape. In the convex curve state, the spring bubble is greater than the first air pressure. The spring bubble extends into the gap between the two adjacent rigid air chambers and squeezes it to extend to both sides and seals against the adjacent rigid air chambers to form a convex curve shape.
[0015] Furthermore, the rigid air chamber includes a geometrical liner, a flexible membrane material is wrapped and bonded to the outer wall of the geometrical liner and hot-pressed with a flexible substrate at both ends of the inner liner shell to form a closed cavity; the geometrical liner is a foamed product with a densely packed closed pores in the middle layer, made of foamed resin material by foaming molding technology.
[0016] Furthermore, the spring bubble chamber is formed by covering and bonding a pre-formed bubble chamber membrane to the upper surface of the flexible top material. The spring bubble chamber includes a base bubble chamber and a telescopic bubble chamber that are interconnected, and the spring is integrally connected between the base bubble chamber and the telescopic bubble chamber.
[0017] Furthermore, the snap-fit structure includes a tenon and a mortise, with the tenon spaced at the top of the rigid air chamber and the mortise located between two adjacent spring chambers; the tenon snaps into the mortise so that the spring portion is positioned directly above the gap between the two adjacent rigid air chambers.
[0018] Furthermore, when the spring bubble is greater than the first air pressure, the first air pressure causes the spring part to extend in the direction normal to the flexible top material and press against the rounded corner, forcing the rigid air chamber to extend outward to both sides and bend.
[0019] A flat, flexible, switchable yurt insulation skin includes an air cushion structure, the air cushion structure comprising...
[0020] The flexible laminated foam layer includes a flexible substrate, rigid air chambers, and telescopic air chambers. Multiple rigid air chambers are arranged in a spaced array along the length direction on the flexible substrate; multiple telescopic air chambers alternately cover the rigid air chambers.
[0021] A flexible stacked bubble layer, the flexible stacked bubble layer including a flexible top material and spring bubble chambers, the spring bubble chambers being spaced apart on one side of the flexible top material;
[0022] Flexible stacked bubble layers are stacked on the outside of flexible bonded bubble layers;
[0023] The snap-fit structure allows the spring bubble chamber to be positioned between adjacent telescopic air chambers and fixed to the top of the corresponding rigid air chamber that does not have a telescopic air chamber.
[0024] The air cushion structure switches between a flat state and a convex curve state. In the flat state, the telescopic air chamber is squeezed by two adjacent rigid air chambers, causing some of the gas in the telescopic air chamber to enter the outer top of the rigid air chamber, and the adjacent rigid air chambers are arranged side by side to form a flat shape. In the convex curve state, the air pressure in the telescopic air chamber increases and expands, forcing the adjacent rigid air chambers to flip to both sides to form a convex curve shape. The convex curve fits the outer contour of the yurt.
[0025] Furthermore, the telescopic air chamber covers the rigid air chamber to form a double-septated bubble chamber. The double-septated bubble chamber includes a flexible air bladder, which alternately covers the top of the rigid air chamber and is integrally connected with the side of the flexible membrane material in the width direction for airtightness. A side bubble chamber is formed between two adjacent rigid air chambers, and a top bubble chamber is formed between the flexible air bladder and the flexible membrane material at the top of the odd-numbered rigid air chamber. The flexible air bladder covers and is integrally bonded with the flexible membrane material at the top of the even-numbered rigid air chamber.
[0026] Furthermore, a gas passage is provided in the arc portion of the rigid gas chamber. The gas passage is equipped with a one-way valve. The gas passage connects the top bubble chamber and the side bubble chamber. The one-way valve allows gas from the side bubble chamber to enter the top bubble chamber, while gas from the top bubble chamber cannot enter the side bubble chamber.
[0027] Furthermore, the flexible stacked bubble layer is stacked outside the flexible bonded bubble layer so that the cross-section of the air cushion structure at any position forms a double bubble structure. The rigid air chamber and the top bubble chamber form the first double bubble, and the even-numbered rigid air chamber and the spring bubble chamber form the second double bubble. The first double bubble and the second double bubble are alternately arranged along the length direction of the heat insulation skin.
[0028] Furthermore, the snap-fit structure includes a tenon and a mortise. The tenon is located at the top of the even-numbered rigid air chamber, and the mortise is located at the interval between the spring bubble chambers. The flexible stacked bubble layer is snapped to the tenon through the mortise when the spring bubble chamber is not inflated.
[0029] A flexible and bendable yurt insulation skin is disclosed. It can be flexibly bent to ensure good fit. Flexible stacked foam layers are stacked with flexible laminated foam layers. Under the premise of positioning constraint, the air pressure of the telescopic air chamber can achieve bending or flattening, forming a double-layer foam chamber structure. The thermal insulation performance is enhanced. The industrial mass production cost is low and it has good practical value. Attached Figure Description
[0030] Figure 1 This is a main cross-sectional view (flat state) of the air cushion layer in Embodiment 1 of the present invention, which is a flat, bendable, switchable yurt insulation skin.
[0031] Figure 2 This is a main cross-sectional view (convex curve state) of the air cushion layer of a flat, bendable, switchable yurt insulation skin according to the present invention.
[0032] Figure 3This is a main cross-sectional view (flat plate shape) of the air cushion layer in Embodiment 2 of the present invention, which is a flat, flexible, and switchable yurt insulation skin.
[0033] Figure 4 This is a main cross-sectional view (convex curve state) of the air cushion layer in Embodiment 2 of the present invention, which is a flat, bendable, switchable yurt insulation skin.
[0034] Figure 5 This invention relates to a flat, bendable, and switchable yurt insulation skin. Figure 4 A magnified view of a portion of the image (I).
[0035] The reference numerals in the above figure:
[0036] 10 Flexible laminated foam layer, 11 Flexible substrate, 12 Rigid air chamber, 13 Telescopic air chamber, 14 R-shaped liner, 15 Flexible membrane material, 16 Curved section
[0037] 20 Flexible stacked bubble layer, 21 Flexible top material, 22 Spring bubble chamber, 23 Base bubble chamber, 24 Expansion bubble chamber, 25 Spring section, 26 Expanding spring section, 27 Bubble chamber diaphragm
[0038] 30. Snap-fit structure; 31. Tenon; 32. Mortise and tenon.
[0039] 40 Double-layer bubble structure, 41 First double-layer bubble, 42 Second double-layer bubble
[0040] 50. Double-septated bubble chamber; 51. Flexible airbag; 52. Top bubble chamber; 53. Side bubble chamber; 54. One-way valve. Detailed Implementation
[0041] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but are not intended to limit the scope of the present invention. Example 1
[0042] A flat, flexible, switchable yurt insulation skin includes an air cushion structure, the air cushion structure comprising...
[0043] The flexible laminated foam layer 10 includes a flexible substrate 11 and rigid air chambers 12, with multiple rigid air chambers 12 arranged in a spaced array along the length direction on the flexible substrate 11.
[0044] The flexible stacked bubble layer 20 includes a flexible top material 21 and spring bubble chambers 22, wherein the spring bubble chambers 22 are spaced apart on one side of the flexible top material 21;
[0045] The snap-fit structure 30 makes the spring bubble chamber 22 face the gap between two adjacent rigid air chambers 12.
[0046] The air cushion structure switches between a flat state and a convex curve state. In the flat state, the air pressure of the spring bubble chamber 22 is less than or equal to the first air pressure. Two adjacent rigid air chambers 10 are parallel and side by side, with the spring bubble chamber 22 facing the gap between the two adjacent rigid air chambers 10 and stacked on top of the gap to form a flat shape. In the convex curve state, the spring bubble chamber 22 is greater than the first air pressure. The spring bubble chamber 22 extends into the gap between the two adjacent rigid air chambers 10 and squeezes it to extend to both sides and seals against the adjacent rigid air chambers 10 to form a convex curve shape.
[0047] The rigid air chamber 12 includes a geometrical shell 14. A flexible membrane 15 is bonded to the outer wall of the geometrical shell 14 and heat-pressed to the flexible substrate 11 at both axial ends of the inner shell to form a closed cavity. Specifically, the geometrical shells 14 extend along the width direction of the flexible substrate 11, and multiple geometrical shells 14 are arranged in a spaced array along the length direction on the flexible substrate 11. An adhesive is coated on the outer surface of the geometrical shells 14. The flexible membrane 15 is stacked on the flexible substrate 11 and covers and connects to the outer surface of each geometrical shell 14. The flexible membrane 15 and the flexible substrate 11 are heat-pressed and sealed on both sides in the width direction, so that multiple closed rigid air chambers are formed between the flexible substrate 11 and the flexible membrane 15. The geometrical shell 14 is preferably a foamed product with a densely packed closed pore middle layer made of foamed resin material through foaming molding technology, which has very high thermal insulation performance with the assistance of air enclosed in the rigid air chamber.
[0048] A rounded corner 16 is provided between the side wall and the top of the rigid air chamber 12, which facilitates the insertion of the spring bubble chamber 22.
[0049] The spring bubble chamber 22 includes a base bubble chamber 23 and a telescopic bubble chamber 24 that are interconnected. A spring portion 25 is integrally connected between the base bubble chamber 23 and the telescopic bubble chamber 24. Multiple pre-formed bubble chamber membranes 27 are arranged side by side, covering and bonded to the upper surface of the flexible top material 21 to form the spring portion 25. The spring portion 25 has a relatively thin wall thickness. When the air pressure of the spring bubble chamber 22 is less than or equal to a first air pressure, the base bubble chamber 23 abuts against the top of the rigid air chamber 10, and the spring portion 25 retracts the telescopic bubble chamber 24 to the top of the interval of the rigid air chamber, facing the rounded corner portion 16. When the air pressure of the spring bubble chamber 22 is greater than or equal to the first air pressure, the first air pressure causes the spring portion 25 to extend in the direction normal to the flexible top material 21, thereby causing the telescopic bubble chamber 24 to fill the interval and the spring portion 25 to press against the rounded corner portion 16, forcing the rigid air chamber 10 to extend outward to both sides and bend. The first air pressure is the elongation deformation air pressure of the spring portion 25.
[0050] When the air pressure of the spring bubble chamber 22 is less than or equal to the first air pressure, the base bubble chamber 23 abuts against the top of the rigid air chamber 10, and the telescopic bubble chamber 24 contracts above the gap, making the air cushion structure flat and the spring bubble chamber 22 sealing the gap between two adjacent rigid air chambers 12; when the spring bubble chamber 22 is greater than the first air pressure, the telescopic bubble chamber 24 extends along the normal direction of the flexible top material 21 and squeezes into the gap between two adjacent rigid air chambers 12 until its top abuts against the flexible bottom material 11, making the air cushion structure convex curve shape and sealing the gap between two adjacent rigid air chambers 12.
[0051] The snap-fit structure 30 includes a tenon 31 and a mortise 32. The tenon 31 is spaced apart on the top of the rigid air chamber 10, and the mortise 32 is located between two adjacent spring bubble chambers 22.
[0052] Furthermore, the bottom of the telescopic bubble chamber 24 is provided with an expansion spring part 26, which causes the telescopic bubble chamber 24 to expand to both sides and assists in squeezing the rigid air chambers 10 on both sides to move outward, so that the air cushion structure bends along the convex curve. Example 2
[0053] The improvement lies in adding a telescopic air chamber to form a double-layer bubble chamber structure.
[0054] A flat, flexible, switchable yurt insulation skin includes an air cushion structure, the air cushion structure comprising...
[0055] The flexible laminated foam layer 10 includes a flexible substrate 11, rigid air chambers 12 and telescopic air chambers 13. A plurality of rigid air chambers 12 are arranged in a spaced array along the length direction on the flexible substrate 11; a plurality of telescopic air chambers 13 are alternately covering the rigid air chambers 12.
[0056] The flexible stacked bubble layer 20 includes a flexible top material 21 and spring bubble chambers 22, with the spring bubble chambers 22 spaced apart on one side of the flexible top material 21; the flexible stacked bubble layer 20 is stacked on the outside of the flexible bonding bubble layer 10.
[0057] The snap-fit structure 30 allows the spring bubble chamber 22 to be positioned between adjacent top telescopic air chambers 13 and pressed tightly against the top of the corresponding rigid air chamber 12 that does not have a telescopic air chamber.
[0058] The air cushion structure switches between a flat state and a convex curve state. In the flat state, the telescopic air chamber 13 is squeezed by two adjacent rigid air chambers 10, causing the gas in the telescopic air chamber to enter the outer top of the rigid air chamber 12, and the adjacent rigid air chambers 12 are arranged side by side to form a flat shape. In the convex curve state, the air pressure in the telescopic air chamber 13 increases and expands, causing the two sides of the telescopic air chamber 13 to extend outward and seal against the adjacent rigid air chambers 12 to form a convex curve. The convex curve fits the outer contour of the yurt.
[0059] The alternating covering is achieved by the telescopic air chamber 13 alternately covering the rigid air chamber 12 to form a double-septated bubble chamber 50. Specifically, the double-septated bubble chamber 50 includes a flexible air bladder 51, which covers the top of the rigid air chamber 10 and is integrally connected with the side of the flexible membrane material 15 in the width direction in an airtight manner; a side bubble chamber 53 is formed between two adjacent rigid air chambers 12, a top bubble chamber 52 is formed between the flexible air bladder 51 and the flexible membrane material 15 at the top of the odd-numbered rigid air chamber 10, and the flexible air bladder 51 and the flexible membrane material 15 at the top of the even-numbered rigid air chamber are integrally bonded.
[0060] A gas passage 54 is provided in the arc portion 16 of the rigid gas chamber 12. The gas passage is equipped with a one-way valve 55. The gas passage 54 connects the top bubble chamber 52 and the side bubble chamber 53. The one-way valve 54 allows the gas in the side bubble chamber 53 to enter the top bubble chamber 52, while the gas in the top bubble chamber 52 cannot enter the side bubble chamber 53.
[0061] The side chambers 53 are equipped with air inlets, and multiple air inlets are connected in parallel via air supply pipes to simultaneously inflate multiple telescopic air chambers 13 with gas. In the flat state, the side chambers 53 are compressed by the rigid air chambers 10 on the sides, forcing air through the one-way valve 54 into the top air chamber 52, resulting in a free flat shape for the air cushion structure, which can be maintained without external force. The top air chamber 52 is equipped with an air outlet valve, which can also reduce the air pressure in the top air chamber 52 when it is in the free flat shape, thereby assisting the air from the side chambers to be forced into the top chamber. In the convex curve state, the side chambers 53 expand to the side, pushing the adjacent rigid chambers 10 to move outward, causing all rigid air chambers 10 to move outward, resulting in a convex curve shape for the air cushion structure.
[0062] The flexible stacked bubble layer 20 is stacked on the outside of the flexible bonding bubble layer 10 so that the cross-section of the air cushion structure at any position forms a double bubble structure 40. The rigid air chamber 10 and the top bubble chamber 53 form a first double bubble 41, and the even-numbered rigid air chamber 12 and the spring bubble chamber 22 form a second double bubble 42. The first double bubble 41 and the second double bubble 42 are alternately arranged along the length direction of the heat insulation skin.
[0063] The snap-fit structure 30 includes a tenon 31 and a mortise 32. The tenon 31 is located on the top of the even-numbered rigid air chamber 10, and the mortise 32 is located at the interval of the spring bubble chamber 22. The flexible stacked bubble layer 20 is snapped to the tenon 31 through the mortise 32 when the spring bubble chamber 22 is not inflated.
[0064] A flexible, bendable yurt insulation skin, through the following technical means, solves the technical problems of "being able to be either flat or flexibly bent along a convex surface, possessing excellent heat and cold insulation capabilities that do not deteriorate over time, being lightweight, and having low manufacturing costs."
[0065] (1) The interval is controlled by the spring bubble chamber 22 and the telescopic air chamber 13 to switch between flat and bent states.
[0066] Flexible stacked bubble layers 20 and flexible bonded bubble layers 10 are stacked, such that spring bubble chambers 22 are positioned opposite each other in the gap. When the air pressure of spring bubble chambers 22 is less than or equal to a first air pressure, spring bubble chambers 22 are stacked above the gap to form a flat plate shape. When the air pressure of spring bubble chambers 22 is greater than the first air pressure, spring bubble chambers 22 extend into the gap between two adjacent rigid air chambers 10 and are squeezed to extend to both sides and seal against the adjacent rigid air chambers 10 to form a convex curve shape. Alternatively, side bubble chambers are provided in the gap. In the flat plate state, the side bubble chambers are squeezed by two adjacent rigid air chambers 10, causing gas to enter the top bubble chamber. The adjacent rigid air chambers 12 are arranged side by side to form a flat plate shape. The air pressure of the side bubble chambers increases and expands, causing the telescopic air chambers 13 to extend outward on both sides and seal against the adjacent rigid air chambers 12 to form a convex curve shape.
[0067] (2) The double-layer bubble chamber, together with the heat insulation of the geometric liner 14, greatly enhances the heat insulation capacity of the air cushion.
[0068] The odd-numbered rigid air chambers 12 and the top bubble chamber 53 form the first double-layer bubble 41, and the even-numbered rigid air chambers 12 and the spring bubble chamber 22 form the second double-layer bubble 42. The first double-layer bubble 41 and the second double-layer bubble 42 are alternately arranged along the length of the heat insulation skin, which greatly enhances the heat insulation capacity.
[0069] The rigid air chamber 12 and the spring bubble chamber 22 form a double-layered bubble chamber.
[0070] Furthermore, the shaped liner 14 is a closed-cell foam board, which is placed side by side on the flexible substrate 11 to work together with the air in the rigid air chamber to provide thermal insulation, thus greatly enhancing the thermal insulation capacity.
[0071] A flexible and bendable yurt insulation skin is provided. It can be flexibly bent to achieve good fit. The flexible stacked bubble layer 20 and the flexible bonding bubble layer 10 are stacked. Under the premise of positioning constraint, the air pressure of the telescopic air chamber can achieve bending or flatness, while forming a double-layer bubble chamber structure, which enhances the thermal insulation performance. It has low industrial mass production cost and has good practical value.
Claims
1. A flat-to-curved switchable yurt insulation skin comprising an air cushion structure, characterized in that, The air cushion structure comprises A flexible conforming bubble layer (10) comprises a flexible base material (11), a plurality of rigid air chambers (12) arranged in an array along the length direction and arranged on the flexible base material (11); and a flexible superimposed bubble layer (20) comprises a flexible top material (21) and a plurality of spring bubble chambers (22) arranged on one side of the flexible top material (21). The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises 2. The flat-to-curved switchable yurt insulation skin of claim 1, wherein, The air cushion structure comprises 3. The flat-to-curved switchable yurt insulation skin of claim 2, wherein, The air cushion structure comprises 4. The flat-to-curved switchable yurt insulation skin of claim 3, wherein, The air cushion structure comprises 5. The flat-to-curved switchable yurt insulation skin of claim 1, wherein, The air cushion structure comprises 6. 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cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The air cushion structure comprises The Flexible superimposed bubble layer (20) includes flexible top material (21), spring bubble chamber (22) is spaced on one side of flexible top material (21); Flexible superimposed bubble layer (20) is superimposed outside flexible bubble layer (10); Clamping structure (30), spring bubble chamber (22) is positioned between adjacent telescopic air chamber (13) by clamping structure (30) and is fixed on the top of corresponding rigid air chamber (12) without telescopic air chamber; The air cushion structure switches between flat state and convex curve state, in flat state, telescopic air chamber (13) is extruded by two adjacent rigid air chamber (12) to make part of gas of telescopic air chamber enter the outside of the top of rigid air chamber (12), and adjacent rigid air chamber (12) constitutes flat plate side by side;Convex curve state, the gas pressure of telescopic air chamber (13) increases and expands to force adjacent rigid air chamber (12) to turn over to the both sides to form convex curve shape;The convex curve is matched with the outer contour of the yurt.
7. The flat-to-curved switchable yurt insulation skin of claim 6, wherein, Telescopic air chamber (13) is covered outside rigid air chamber (12) to form double-separate bubble chamber (50), rigid air chamber (12) includes several shaped lining shell (14), flexible film material (15) is covered and bonded on the outer wall of several shaped lining shell (14) and is heat-pressed on the both ends of several shaped lining shell (14) in the axial direction with flexible bottom material (11) to form a closed chamber, double-separate bubble chamber (50) includes a flexible air bag (51), which is alternately covered on the top of rigid air chamber (12) and integrally connected with the width direction side edge of flexible film material (15) in airtight manner;Form side bubble chamber (53) between two adjacent rigid air chamber (12), form top bubble chamber (52) between flexible air bag (51) and flexible film material (15) on the top of odd number rigid air chamber (12), and flexible air bag (51) covers and integrally bonds with flexible film material (15) on the top of even number rigid air chamber (12).
8. The flat-to-curved switchable yurt insulation skin of claim 7, wherein, Gas passage is provided on the circular arc part (16) of rigid air chamber (12), the gas passage is provided with one-way valve (54), the gas passage communicates top bubble chamber (52) and side bubble chamber (53), and one-way valve (54) allows gas in side bubble chamber (53) to enter top bubble chamber (52), but gas in top bubble chamber (52) cannot enter side bubble chamber (53).
9. The flat-to-curved switchable yurt insulation skin of claim 8, wherein, Flexible superimposed bubble layer (20) is superimposed outside flexible bubble layer (10) to form double-layer bubble structure (40) in any position of the cross section, odd number rigid air chamber (12) and top bubble chamber (52) form first double-layer bubble (41), even number rigid air chamber (12) and spring bubble chamber (22) form second double-layer bubble (42), and first double-layer bubble (41) and second double-layer bubble (42) are alternately arranged along the length direction of the thermal insulation skin.
10. The flat-to-curved switchable yurt insulation skin of claim 9, wherein, Clamping structure (30) includes tenon (31) and mortise (32), tenon (31) is arranged on the top of even number rigid air chamber (12), mortise (32) is arranged at the spacing position of spring bubble chamber (22), and flexible superimposed bubble layer (20) is buckled to tenon (31) through mortise (32) when spring bubble chamber (22) is not inflated.
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