A high-strength inflatable support member

Abstract

The present invention discloses a high-strength inflatable support member, which relates to the technical field of building support parts, and solves the technical problem that the existing inflatable members have limited anti-bending and anti-torsion mechanical properties. Its technical points include a support columnar body surrounded by non-elastic sheets, the two ends of the support columnar body located in the length direction are respectively the first end and the second end, a plurality of flexible sheets are fixed on the inner peripheral side wall of the support columnar body, the length of the plurality of flexible sheets is the same as the length of the support columnar body, a plurality of adjacent sealed air chambers are formed between the plurality of flexible sheets and the inner side wall of the support columnar body and the first end and the second end, and an inflatable interface connected to the sealed air chamber is installed on the support columnar body. The present invention has the advantages of good supporting force, anti-bending and anti-torsion capabilities.

Description

Technical Field

[0001] The present invention relates to the technical field of building supports, and more particularly to a high-strength inflatable support member. Background Art

[0002] A Chinese patent with announcement number CN203347103U discloses a high-strength inflatable profile, which includes a hollow inflatable cavity provided inside a long cube, wherein the cross section of the long cube forms a polygon, and the middle of the cross section is a cavity cross section, and a one-way inflatable head is provided on the outer wall of the long cube, and the one-way inflatable head is lower than the outer plane of the long cube.

[0003] In the prior art, similar to the above-mentioned inflatable profile, the inflatable cavity is inflated and maintained at a high pressure, so that the long strip of inflatable body obtains a greater supporting strength.

[0004] The above-mentioned prior art solutions have the following defects: the inflatable profile composed of a single inflatable body can withstand a certain pressure acting on both ends of the profile, but the external force acting vertically on the axis of the profile is not strong, that is, its anti-bending ability is limited. In order to enhance the anti-bending ability of the inflatable profile, in the US patent with the announcement number US20100175330A1, multiple inflatable bodies are combined to improve the anti-bending ability of the inflatable component used as a support after the combination, but because it is composed of multiple independent inflatable bodies, the anti-twisting ability of the inflatable beam column on its axis after the combination is affected. Summary of the invention

[0005] In view of the existing technical problems, the purpose of the present invention is to provide a high-strength inflatable support member, which has the advantages of good supporting force, anti-bending and anti-twisting mechanical capabilities.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-strength inflatable support component, comprising a supporting columnar body surrounded by sheet materials, wherein the two ends of the supporting columnar body in the length direction are respectively a first end and a second end, a plurality of flexible sheets are fixed on the inner circumferential side wall of the supporting columnar body, a plurality of adjacent sealed air chambers are formed between the flexible sheets and the inner circumferential wall of the supporting columnar body and between the first end and the second end, and an inflation interface connected to the sealed air chamber is installed on the supporting columnar body.

[0007] By adopting the above technical solution, when using the inflatable support member, the sealed air chamber is inflated through the inflatable interface and maintained in a high pressure state. The high pressure inside the sealed air chamber acts on each flexible sheet and the supporting columnar body, so that the multiple inflatable structures formed by it have strong support strength. Several sealed air chambers are adjacently and compactly formed on the inner wall of the supporting columnar body. When the outer wall surface of the inflatable support member is subjected to an external force perpendicular to its axial direction, in addition to the main resistance force generated by the single sealed air chamber completely in the force-bearing surface due to its internal high pressure, other compact and adjacent sealed air chambers generate a supporting force on the sealed air chamber due to their internal high pressure, which assists in resisting the external force. The molding combination enhances the inflatable support member's ability to resist the external force on its outer wall, especially the external force perpendicular to its axial direction. Since several sealed air chambers are formed by fixing the flexible sheet at different positions on the inner wall of the same supporting columnar body, and the supporting columnar body is surrounded by a complete and continuous non-elastic sheet, the several sealed air chambers have integrity in the structural relationship between each other. When the outer wall surface of the inflatable support structure is subjected to an external force applied in a circumferential rotation along its axial direction, since the surface on which the external force acts is located on the outer surface of the support column body where several sealed air chambers are located, the one-piece molding property of the support column body and the structural strength generated by the high air pressure in several sealed air chambers inside it enhance the inflatable support structure's anti-twisting ability in its axial direction.

[0008] The present invention is further configured as follows: one long side of the flexible sheet is connected to the inner wall of the supporting columnar body, and the other long side is connected and fixed to the long side of an adjacent flexible sheet, and the sealed air chamber is composed of two adjacent flexible sheets and the inner wall of the supporting columnar body and a first end and a second end.

[0009] By adopting the above technical solution, the space inside the supporting column is cut into multiple sealed air chambers by a number of flexible sheets. Each flexible sheet is used to form its own sealed air chamber and is also formed together with the adjacent sealed air chamber to enhance the plastic limiting effect of the flexible sheet on the inside of the inflatable support member. The adjacent sealed air chambers interact with each other after being inflated to ensure the integrity and rigidity of the inflatable support member structure.

[0010] The present invention is further configured as follows: the two long sides of the flexible sheet are respectively connected to the inner wall of the supporting columnar body, and the sealed air chamber is formed by a flexible sheet and the inner wall of the supporting columnar body and the first end and the second end.

[0011] By adopting the above technical solution, the sealed air chamber is formed by a single flexible sheet and a supporting columnar body to improve the connection surface of the sealed air chamber on the inner wall of the supporting columnar body, so that the position and state of the flexible sheet on the supporting columnar body are more stable, thereby improving the structural stability of the sealed air chamber in the supporting columnar body after inflation.

[0012] The present invention is further configured such that: after the sealed air chamber is inflated, the surface of the flexible sheet collides with the flexible sheet of an adjacent sealed air chamber, a conflicting edge is reserved on the flexible sheet at the adjacent conflicting position after inflation, and the flexible sheet is connected and fixed to the adjacent flexible sheet via the conflicting edge.

[0013] By adopting the above technical solution, adjacent flexible sheets are connected and fixed to each other through contact edges, thereby ensuring the stability of the connection structure between a single sealed air chamber and the supporting column while also improving the overall connection effect of multiple sealed air chambers within the supporting column, increasing the influence of the sealed air chambers on each other after inflation and the overall effect of the inflatable support component, and further improving the mechanical properties of the inflatable support component against bending and twisting.

[0014] The present invention is further configured as follows: adjacent long sides of a plurality of the flexible sheets are integrally formed to form a long sheet of cloth, a plurality of connecting edges are arranged at intervals on the long sheet of cloth, and the long sheet of cloth is connected and fixed to the inner wall of the supporting columnar body through the connecting edges.

[0015] By adopting the above technical solution, an integrated and continuous long piece of cloth is divided into several flexible pieces through spaced connecting edges and connected to the supporting columnar body. The flexible pieces are integrally molded to further enhance the overall correlation between several sealed air chambers. The sealed air chambers are composed of two continuous integrally molded structures, thereby further enhancing the anti-torsion effect of the molded inflatable support member.

[0016] The present invention is further configured such that the connecting edges on the long piece of cloth are arranged at equal intervals along its length direction, and the length of the connecting edges is consistent with the width of the long piece of cloth.

[0017] By adopting the above technical solution, the connection edges on the long side cloth are arranged at equal intervals so that the flexible sheets after forming are of the same size. When the inflatable support member is subjected to external force, the external force is evenly dispersed in the inflatable support member to ensure the mechanical properties of the inflatable support member. The length of the connection edge is consistent with the width of the long side cloth to ensure the stability of the connection between the flexible sheet and the support column after forming.

[0018] The present invention is further configured as follows: short sides of a plurality of the flexible sheets are respectively connected and fixed integrally with the edges of both ends of the supporting columnar body to form the first end and the second end.

[0019] By adopting the above technical solution, the sealed air chamber is directly connected and fixed to the supporting columnar body through the side edge of the flexible sheet and then formed, thereby reducing production materials and lowering the manufacturing cost of the inflatable support component.

[0020] The present invention is further configured as follows: the two end edges of the supporting columnar body are respectively integrally connected with the first end piece and the second end piece to form the first end piece and the second end piece, the supporting columnar body and the first end piece and the second end piece are combined to form a sealed cavity, and the short sides of both sides of several of the flexible sheets are respectively connected and fixed to the first end piece and the second end piece.

[0021] By adopting the above technical solution, the sealed air chamber is composed of a first end piece, a second end piece, a flexible piece and a supporting column. The first end piece and the second end piece are used to increase the bearing area of ​​the high air pressure in the sealed air chamber on the force of its molding structure, thereby improving the molding structure strength and service life of the sealed air chamber.

[0022] The present invention is further configured such that: a reinforcement sleeve is also connected to the outer peripheral side wall of the supporting columnar body.

[0023] By adopting the above technical solution, the reinforcement sleeve located on the outermost side further integrates the support component into an integral structure. When external force is applied to the reinforcement sleeve, the inflatable support component has better anti-bending and anti-twisting performance. The reinforcement sleeve further improves the overall mechanical strength of the inflatable support component and also facilitates the storage, transportation and assembly of the inflatable support component.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (1) By integrating a plurality of sealed air chambers in the supporting column, the supporting strength of the inflatable supporting member is enhanced, and the mechanical properties of the inflatable supporting member, such as the anti-bending ability and the anti-twisting ability, are improved;

[0026] (2) Improving the integrity of the structure between the multiple sealed air chambers by integrally forming multiple flexible sheets, and further improving the anti-torsion mechanical properties of the formed inflatable support member;

[0027] (3) The reinforcement sleeve is provided to further improve the overall mechanical strength of the inflatable support member, while facilitating storage, transportation and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of Example 1;

[0029] Figure 2 is a cross-sectional schematic diagram of Example 1;

[0030] Figure 3 This is a schematic diagram of the explosion structure of Example 1;

[0031] Figure 4 It is a structural schematic diagram of Example 2;

[0032] Figure 5 is a cross-sectional schematic diagram of Example 2;

[0033] Figure 6 This is a schematic diagram of the explosion structure of Example 2;

[0034] Figure 7 It is a structural schematic diagram of Example 3;

[0035] Figure 8 is a cross-sectional schematic diagram of Example 3;

[0036] Fig. 9 This is a schematic diagram of the explosion structure of Example 3.

[0037] Figure numerals: 1. Support column; 11. First end; 12. Second end; 2. Flexible sheet; 21. Contact edge; 3. Sealed air chamber; 4. Inflation interface; 5. First end sheet; 6. Second end sheet; 7. Long sheet of cloth; 71. Connecting edge; 8. Reinforcement sleeve. DETAILED DESCRIPTION

[0038] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] Embodiment 1, a high-strength inflatable support member, such as Figure 1 , 2 As shown, it includes a support column 1 surrounded by sheets, and the two ends of the support column 1 in the length direction are respectively a first end 11 and a second end 12. A plurality of flexible sheets 2 are fixed on the inner peripheral side wall of the support column 1, and a plurality of adjacent sealed air chambers 3 are formed between the plurality of flexible sheets 2 and the inner side wall of the support column 1 and the first end 11 and the second end 12. An inflation interface 4 connected to the sealed air chamber 3 is installed on the side wall of the support column 1. When the inflatable support member is used, the sealed air chamber 3 is inflated through the inflation interface 4 to maintain a high pressure state. The plurality of sealed air chambers 3 are integrally formed in the support column 1, so that it has mechanical characteristics of high support strength, strong bending resistance and strong twisting resistance.

[0040] like Figure 2 , 3As shown, the support column 1 is a rectangular piece of cloth before being enclosed and formed. Its material can be PVC, TPU and other polymer fabrics and fiber composite fabrics with air tightness, high ductility or high resilience. In this embodiment, the material of the support column 1 is TPU composite fabric, and its pair of long sides are overlapped and fixed by high-frequency welding to form a cylindrical tubular structure. The two short edges of the support column 1 are respectively welded with a first end piece 5 and a second end piece 6 by high-frequency welding to form a first end 11 and a second end 12, and their materials are the same as those of the support column 1. The support column 1 and the first end piece 5 and the second end piece 6 are combined to form a sealed cavity. In this embodiment, the number of flexible sheets 2 is four and the size is the same. The length of the flexible sheet 2 is the same as that of the support column 1, and its material is the same as that of the TPU composite fabric. One long side of the flexible sheet 2 is welded to the inner side wall of the supporting column 1 along the axial direction of the supporting column 1, and the connection positions of the four flexible sheets 2 and the supporting column 1 are arranged at equal intervals along the inner circumference thereof, the other long sides of the four flexible sheets 2 are welded and fixed to each other, and the short sides of the four flexible sheets 2 are respectively welded and fixed to the first end sheet 5 and the second end sheet 6. The flexible sheet 2 and the supporting column 1 as well as the first end sheet 5 and the second end sheet 6 together form four adjacent sealed air chambers 3, and the air pressure in the four sealed air chambers 3 is maintained at 1-2 kilograms per square centimeter. In this embodiment, the air pressure in the sealed air chambers 3 is 1.8 kilograms per square centimeter.

[0041] Embodiment 2, a high-strength inflatable support member, such as Figure 4 , 5 As shown, the difference from Example 1 is that in this embodiment, the long sides of the flexible sheet 2 are welded and fixed to the inner wall of the supporting column 1 at intervals, and the spacing between the two sides of the flexible sheet 2 and the supporting column 1 is smaller than the width of the flexible sheet 2, and the four flexible sheets 2 are welded and fixed to the inner wall of the supporting column 1 at equal intervals. The short sides of the flexible sheet 2 are welded to the two ends of the adjacent supporting column 1 to form a first end 11 and a second end 12.

[0042] like Figure 5 , 6 As shown, after the sealed air chamber 3 is inflated, the surface of the flexible sheet 2 conflicts with the flexible sheet 2 of the adjacent sealed air chamber 3, that is, there are two adjacent conflicting positions on one flexible sheet 2. A conflicting edge 21 is reserved at the adjacent conflicting position after inflation on the flexible sheet 2, and the length direction of the conflicting edge 21 is consistent with the axial direction of the supporting column 1. The flexible sheet 2 is welded and fixed to the adjacent flexible sheet 2 through the conflicting edge 21. Four flexible sheets 2 and the supporting column 1 form four adjacent sealed air chambers 3 arranged on the supporting column 1 with a gap.

[0043] Embodiment 3, a high-strength inflatable support member, such as Figure 7 , 8As shown, the difference from Example 2 is that in this embodiment, four flexible sheets 2 are integrally formed into a long piece of cloth 7. The short sides of the long piece of cloth 7 are respectively welded and fixed to the edges of the two ends of the support column 1 to form a first end 11 and a second end 12. A reinforcement sleeve 8 is sleeved on the outer peripheral side wall of the support column 1. The material of the reinforcement sleeve 8 is the same as that of the support column 1. The number of the reinforcement sleeve 8 in this embodiment is one, and its length is three quarters of the length of the support column 1.

[0044] like Figure 8 , 9 As shown, the long piece of cloth 7 is the same size as the rectangular piece of cloth that encloses the support column 1, and a reserved edge for enclosing welding is left on one side of the long side of both. Three connecting edges 71 are arranged at equal intervals along the length direction of the short side of the long piece of cloth 7, and the length of the connecting edge 71 is consistent with the length of the long piece of cloth 7. The long piece of cloth 7 is welded and fixed to the inner wall of the support column 1 through the connecting edge 71, and the interval widths between adjacent connecting edges 71 and between the connecting edge 71 and the long side edges of the adjacent long piece of cloth 7 are the same, thereby ensuring that the four flexible sheets 2 separated by the connecting edge 71 are of the same size. The long piece of cloth 7 and the support column 1 form four adjacent and continuously arranged sealed air chambers 3 on the support column 1.

[0045] The working process and beneficial effects of the present invention are as follows: when using the inflatable support member, the air pump is used to inflate the sealed air chamber 3 from the air interface 4 to a predetermined air pressure, and the sealed air chamber 3 expands, and its internal air pressure acts on each flexible sheet 2 and the support column 1, so that each sealed air chamber 3 itself has a strong support strength. The four sealed air chambers 3 are adjacently and compactly formed on the inner wall of the support column 1, and the molding combination enhances the anti-bending ability of the inflatable support member against external forces applied perpendicular to its axis. Moreover, since the four sealed air chambers 3 are formed by welding the flexible sheet 2 at different positions on the inner wall of the same support column 1, the support column 1 is surrounded by a complete and continuous non-elastic sheet, thereby ensuring the integrity of the inflatable support member and enhancing the anti-twisting ability of the inflatable support member against external forces applied along the circumference of its axis. Inflatable support components with excellent mechanical properties can be used to build buildings with emergency and functional characteristics, such as disaster relief tents that require rapid mobile response, temporary housing, disaster relief bridges, or outdoor sports halls, outdoor playgrounds and other sports, leisure and entertainment building structures, adding optional types for future buildings to be selected according to needs, ensuring safety while enriching the diversity of everyday building structures.

[0046] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A high-strength inflatable support member, characterized in that: The invention comprises a support column (1) formed by enclosing a sheet material, wherein the two ends of the support column (1) in the length direction are respectively a first end (11) and a second end (12), a plurality of flexible sheets (2) are fixed on the inner peripheral side wall of the support column (1), a plurality of adjacent sealed air chambers (3) are formed between the plurality of flexible sheets (2) and the inner side wall of the support column (1) and between the first end (11) and the second end (12), and an inflation interface (4) connected to the sealed air chambers (3) is installed on the support column (1); The two long sides of the flexible sheet (2) are respectively connected to the inner wall of the supporting column (1), the distance between the two side edges of the flexible sheet (2) and the supporting column (1) being welded is smaller than the width of the flexible sheet (2), and the sealed air chamber (3) is formed by the flexible sheet (2) and the inner wall of the supporting column (1) as well as the first end (11) and the second end (12); After the sealed air chamber (3) is inflated, the surface of the flexible sheet (2) contacts the flexible sheet (2) of an adjacent sealed air chamber (3); one of the flexible sheets (2) has two adjacent contact positions; contact edges (21) are reserved at the adjacent contact positions after inflation on the flexible sheet (2); the flexible sheet (2) is connected and fixed to the adjacent flexible sheet (2) via the contact edges (21).

2. A high-strength inflatable support member, characterized in that: The invention comprises a support column (1) formed by enclosing a sheet material, wherein the two ends of the support column (1) in the length direction are respectively a first end (11) and a second end (12), a plurality of flexible sheets (2) are fixed on the inner peripheral side wall of the support column (1), a plurality of adjacent sealed air chambers (3) are formed between the plurality of flexible sheets (2) and the inner side wall of the support column (1) and between the first end (11) and the second end (12), an inflation interface (4) connected to the sealed air chambers (3) is installed on the support column (1), and a reinforcement sleeve (8) is also connected to the outer peripheral side wall of the support column (1); The two long sides of the flexible sheet (2) are respectively connected to the inner wall of the supporting column (1), and the sealed air chamber (3) is formed by the flexible sheet (2), the inner wall of the supporting column (1), and the first end (11) and the second end (12); The adjacent long sides of the plurality of flexible sheets (2) are integrally formed to form a long pull cloth (7), and the long pull cloth (7) is provided with a plurality of connecting edges (71) at intervals, and the long pull cloth (7) is connected and fixed to the inner side wall of the supporting columnar body (1) via the connecting edges (71).

3. A high-strength inflatable support member according to claim 2, characterized in that: The connecting edges (71) on the long piece of cloth (7) are arranged at equal intervals along its length direction, and the length of the connecting edges (71) is consistent with the length of the long piece of cloth (7).

4. A high-strength inflatable support member according to claim 2, characterized in that: The short sides of the flexible sheets (2) are integrally connected and fixed to the edges of both ends of the supporting columnar body (1) to form the first end (11) and the second end (12).

5. A high-strength inflatable support member according to claim 2, characterized in that: The edges of both ends of the support column (1) are respectively integrally connected with a first end piece (5) and a second end piece (6) to form the first end piece (11) and the second end piece (12); the support column (1) and the first end piece (5) and the second end piece (6) are combined to form a sealed cavity; the short sides of the flexible sheets (2) are respectively connected and fixed to the first end piece (5) and the second end piece (6).

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