A large-span inflatable membrane structure

Abstract

The present invention discloses a large-span inflatable membrane structure, belonging to the technical field of inflatable membranes, including an inflatable membrane. The inflatable membrane includes an outer inflatable membrane and an inner inflatable membrane. The outer inflatable membrane is disposed outside the inner inflatable membrane. A plurality of connecting membranes are evenly arranged between the inner inflatable membrane and the outer inflatable membrane. An inner support membrane is arranged inside the inner inflatable membrane through the connecting membranes. The present invention provides a transverse support air cushion and a longitudinal support air cushion. The gas flow cavity is inflated, and the gas in the gas flow cavity is respectively introduced into the transverse support air cushion and the longitudinal support air cushion. The transverse support air cushion and the longitudinal support air cushion bulge and support each other, so that the inflatable membrane is supported, improving the support stability of the large-span inflatable membrane structure and avoiding sagging. The present invention provides a retractable shielding membrane. The gas flows through the gas re-injection groove and then is blown into the retractable shielding membrane from the air holes. The retractable shielding membrane is inflated and unfolded, so that the shielding cavity is shielded, and the surface of the inflatable membrane structure is shielded and cannot transmit light, meeting different usage requirements.

Description

Technical Field

[0001] The present invention belongs to the technical field of inflatable membranes, and particularly relates to a large-span inflatable membrane structure. Background Art

[0002] An inflatable structure, also known as an "inflatable membrane structure", refers to a structure of a house formed by filling air into a thin film product made of a polymer material. The inflatable structure can be further divided into an air-supported membrane structure and an air-inflated membrane structure (or called an air-ribbed membrane structure).

[0003] The prior art has the following problems: When the existing large-span inflatable membrane structure is in use, there are: 1. The support stability of the inflatable membrane is poor and it cannot be supported; 2. It cannot be freely blocked according to needs, resulting in inconvenience in lighting and shading and affecting the use; 3. The bottom fixed installation is inconvenient, time-consuming and laborious, and troublesome to use. Summary of the Invention

[0004] To solve the problems raised in the above background art. The present invention provides a large-span inflatable membrane structure, which has the characteristics of stable support, convenient shielding adjustment and convenient fixed installation.

[0005] To achieve the above object, the present invention provides the following technical solution: A large-span inflatable membrane structure, including an inflatable membrane, the inflatable membrane includes an inflatable outer membrane and an inflatable inner membrane, the inflatable outer membrane is arranged outside the inflatable inner membrane, a plurality of connecting membranes are uniformly arranged between the inflatable inner membrane and the inflatable outer membrane, an inner support membrane is arranged inside the inflatable inner membrane through the connecting membranes, a gas flow cavity is arranged between the inner support membrane and the inflatable inner membrane, a plurality of transverse support air cushions are uniformly arranged on the side of the inner support membrane, and longitudinal support air cushions are arranged between two adjacent transverse support air cushions.

[0006] Further, the transverse support air cushions are all in contact with the longitudinal support air cushions, and the thickness of the transverse support air cushions is twice that of the longitudinal support air cushions.

[0007] Further, the transverse support air cushions and the longitudinal support air cushions are all communicated with the gas flow cavity through air holes.

[0008] Further, the inflatable outer membrane is provided with an outer shielding membrane on the outer surface, partition membranes are uniformly arranged between the outer shielding membrane and the inflatable outer membrane, air injection holes are arranged in the middle of the partition membranes, air injection grooves are arranged on the sides of the partition membranes, shielding cavities are arranged in the middle of the partition membranes, and retractable shielding membranes are arranged at positions near the air injection grooves at both ends of the shielding cavity.

[0009] Further, after the retractable shielding membrane is deflated, it can automatically retract and adhere tightly to the side of the partition membrane.

[0010] Furthermore, a fixing component is provided at the lower end of the inflatable film. The fixing component includes an upper fixing seat, an adjusting bolt, a fixing pin, a fixing groove, a lower fixing seat and a moving plate. Among them, the upper fixing seat is provided at the lower end of the inflatable film. An adjusting bolt is provided inside the upper fixing seat. Moving plates are provided at both ends of the surface of the adjusting bolt. A fixing pin is provided at the lower end of the moving plate. A lower fixing seat is provided below the upper fixing seat. A fixing groove is provided inside the upper end of the lower fixing seat.

[0011] Furthermore, a clamping groove corresponding to the size of the upper fixing seat is provided on the upper surface of the lower fixing seat.

[0012] Furthermore, the threads at both ends of the adjusting bolt are opposite. The moving plate is threadedly engaged with the adjusting bolt, and the upper end of the moving plate is in close contact with the inner wall of the upper fixing seat.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The present invention is provided with a transverse support air cushion and a longitudinal support air cushion. The gas flow cavity is inflated, and the gas in the gas flow cavity is respectively introduced into the transverse support air cushion and the longitudinal support air cushion. The transverse support air cushion and the longitudinal support air cushion bulge and support each other, so that the inflatable film is supported, improving the support stability of the large-span inflatable film structure and avoiding looseness.

[0015] 2. The present invention is provided with a retractable shielding film. The gas flows through the gas injection groove and then is blown into the retractable shielding film from the air holes. The retractable shielding film is inflated and unfolded, so that the shielding cavity is shielded, and the surface of the inflatable film structure is shielded and cannot transmit light, meeting different usage requirements.

[0016] 3. The present invention is provided with a fixing component. Rotate the adjusting bolt to move the moving plate towards the middle, insert the upper fixing seat into the clamping groove, and then rotate the adjusting bolt in the reverse direction to move the moving plate towards both ends. The fixing pin moves and is inserted into the fixing groove, realizing the rapid fixation between the upper fixing seat and the lower fixing seat, and quickly fixing the inflatable film, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present invention;

[0018] Figure 2 is a partial cross-sectional view of the inflatable film of the present invention;

[0019] Figure 3 is a partial front view of the inner support film of the present invention;

[0020] Figure 4 is a partial cross-sectional view of the shielding cavity of the present invention;

[0021] Figure 5 is a schematic structural diagram of the retractable shielding film of the present invention;

[0022] Figure 6 Cross-sectional view of the fixing component of the present invention;

[0023] In the figure: 1, inflatable film; 2, fixing component; 21, upper fixing seat; 22, adjusting bolt; 23, fixing pin; 24, fixing groove; 25, lower fixing seat; 26, clamping groove; 27, moving plate; 3, outer shielding film; 4, inflatable outer film; 5, partition film; 6, inflatable inner film; 7, connecting film; 8, inner support film; 9, gas flow cavity; 10, transverse support air cushion; 11, longitudinal support air cushion; 12, air injection groove; 13, retractable shielding film; 14, air injection hole; 15, shielding cavity. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1

[0026] Please refer to Figure 1-6 , the present invention provides the following technical solutions: A large-span inflatable film structure includes an inflatable film 1. The inflatable film 1 includes an inflatable outer film 4 and an inflatable inner film 6. The outside of the inflatable inner film 6 is provided with the inflatable outer film 4. A plurality of connecting films 7 are evenly arranged between the inflatable inner film 6 and the inflatable outer film 4. An inner support film 8 is arranged inside the inflatable inner film 6 through the connecting film 7. A gas flow cavity 9 is arranged between the inner support film 8 and the inflatable inner film 6. A plurality of transverse support air cushions 10 are evenly arranged on the side of the inner support film 8. Longitudinal support air cushions 11 are arranged between two adjacent transverse support air cushions 10.

[0027] Furthermore, in the present invention, the transverse support air cushions 10 are all in contact with the longitudinal support air cushions 11, and the thickness of the transverse support air cushions 10 is twice that of the longitudinal support air cushions 11.

[0028] By adopting the above technical solution, it is ensured that the transverse support air cushions 10 support the longitudinal support air cushions 11 stably.

[0029] Furthermore, in the present invention, the transverse support air cushions 10 and the longitudinal support air cushions 11 are all communicated with the gas flow cavity 9 through air holes.

[0030] By adopting the above technical solution, it is ensured that the transverse support air cushions 10 and the longitudinal support air cushions 11 are inflated and bulged to support each other.

[0031] When this embodiment is in use, the inflatable film 1 is fixed, and the inflatable cavity between the inflatable outer film 4 and the inflatable inner film 6 is inflated. At the same time, the gas flow cavity 9 is inflated, and the gas in the gas flow cavity 9 rushes into the transverse support air cushion 10 and the longitudinal support air cushion 11 respectively. The transverse support air cushion 10 and the longitudinal support air cushion 11 bulge and support each other, so that the inflatable film 1 is supported, improving the support stability of the large-span inflatable film structure and avoiding looseness;

[0032] Embodiment 2

[0033] The difference between this embodiment and Embodiment 1 is that: the inflatable outer film 4 is provided with an outer shielding film 3 on its outer surface, a partition film 5 is evenly arranged between the outer shielding film 3 and the inflatable outer film 4, an air injection hole 14 is arranged in the middle of the partition film 5, an air injection groove 12 is arranged on the side of the partition film 5, a shielding cavity 15 is arranged in the middle of the partition film 5, and retractable shielding films 13 are arranged at both ends of the shielding cavity 15 near the air injection groove 12;

[0034] By adopting the above technical solution, the gas flows through the air injection groove 12 and then is blown into the retractable shielding film 13 from the air hole. The retractable shielding film 13 is inflated and unfolded, so that the shielding cavity 15 is shielded, and the surface of the inflatable film structure is shielded and cannot transmit light, meeting different usage requirements.

[0035] Furthermore, in the present invention, after the retractable shielding film 13 is deflated, it can be automatically retracted and closely attached to the side of the partition film 5;

[0036] By adopting the above technical solution, it avoids blocking light and is convenient to use.

[0037] When this embodiment is in use, it is inflated according to the shielding requirement. The gas flows through the air injection groove 12 and then is blown into the retractable shielding film 13 from the air hole. The retractable shielding film 13 is inflated and unfolded, so that the shielding cavity 15 is shielded, and the surface of the inflatable film structure is shielded and cannot transmit light, meeting different usage requirements;

[0038] Embodiment 3

[0039] The difference between this embodiment and Embodiment 1 and Embodiment 2 is that: a fixing component 2 is arranged at the lower end of the inflatable film 1. The fixing component 2 includes an upper fixing seat 21, an adjusting bolt 22, a fixing pin 23, a fixing groove 24, a lower fixing seat 25 and a moving plate 27. Among them, an upper fixing seat 21 is arranged at the lower end of the inflatable film 1, an adjusting bolt 22 is arranged inside the upper fixing seat 21, moving plates 27 are arranged at both ends of the surface of the adjusting bolt 22, a fixing pin 23 is arranged at the lower end of the moving plate 27, a lower fixing seat 25 is arranged below the upper fixing seat 21, and a fixing groove 24 is arranged inside the upper end of the lower fixing seat 25;

[0040] By adopting the above technical solution, the rotation adjustment bolt 22 moves the moving plate 27 towards the middle, and then the adjustment bolt 22 is rotated in the reverse direction to move the moving plate 27 towards both ends. The fixing pin 23 moves and inserts into the fixing groove 24, realizing the quick fixation between the upper fixing seat 21 and the lower fixing seat 25, and quickly fixing the inflatable film 1.

[0041] Further in the present invention, a clamping groove 26 corresponding to the size of the upper fixing seat 21 is provided on the upper end surface of the lower fixing seat 25.

[0042] By adopting the above technical solution, the connection between the lower fixing seat 25 and the upper fixing seat 21 is ensured to be sealed.

[0043] Further in the present invention, the threads at both ends of the adjustment bolt 22 are opposite, the moving plate 27 is threadedly engaged with the adjustment bolt 22, and the upper end of the moving plate 27 is in close contact with the inner wall of the upper fixing seat 21.

[0044] By adopting the above technical solution, it is ensured that the rotation of the adjustment bolt 22 drives the moving plate 27 to move towards each other inside the upper fixing seat 21.

[0045] When this embodiment is in use, the adjustment bolt 22 is rotated to move the moving plate 27 towards the middle, the upper fixing seat 21 is inserted into the clamping groove 26, and then the adjustment bolt 22 is rotated in the reverse direction to move the moving plate 27 towards both ends. The fixing pin 23 moves and inserts into the fixing groove 24, realizing the quick fixation between the upper fixing seat 21 and the lower fixing seat 25, and quickly fixing the inflatable film 1, saving time and effort.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-span inflatable membrane structure, comprising an inflatable membrane (1), characterized in that: The inflatable film (1) includes an inflatable outer film (4) and an inflatable inner film (6). The inflatable outer film (4) is arranged outside the inflatable inner film (6). A plurality of connecting films (7) are evenly arranged between the inflatable inner film (6) and the inflatable outer film (4). An inner support film (8) is arranged inside the inflatable inner film (6) through the connecting films (7). A gas flow cavity (9) is arranged between the inner support film (8) and the inflatable inner film (6). A plurality of transverse support air cushions (10) are evenly arranged on the side of the inner support film (8). A longitudinal support air cushion (11) is arranged between two adjacent transverse support air cushions (10). The inflatable outer film (4) is provided with an outer shielding film (3) on its outer surface. Partition films (5) are evenly arranged between the outer shielding film (3) and the inflatable outer film (4). An air injection hole (14) is arranged in the middle of the partition film (5). An air injection groove (12) is arranged on the side of the partition film (5). A shielding cavity (15) is arranged in the middle of the partition film (5). Retractable shielding films (13) are arranged at both ends of the shielding cavity (15) near the air injection groove (12). A fixing component (2) is arranged at the lower end of the inflatable film (1). The fixing component (2) includes an upper fixing seat (21), an adjusting bolt (22), a fixing pin (23), a fixing groove (24), a lower fixing seat (25) and a moving plate (27). Among them, the upper fixing seat (21) is arranged at the lower end of the inflatable film (1). The adjusting bolt (22) is arranged inside the upper fixing seat (21). Moving plates (27) are arranged at both ends of the surface of the adjusting bolt (22). The fixing pin (23) is arranged at the lower end of the moving plate (27). The lower fixing seat (25) is arranged below the upper fixing seat (21). The fixing groove (24) is arranged inside the upper end of the lower fixing seat (25).

2. The large-span inflatable membrane structure according to claim 1, characterized in that: The transverse support air cushions (10) are all in contact with the longitudinal support air cushions (11). The thickness of the transverse support air cushions (10) is twice that of the longitudinal support air cushions (11).

3. The large-span inflatable membrane structure according to claim 1, characterized in that: The transverse support air cushions (10) and the longitudinal support air cushions (11) are both communicated with the gas flow cavity (9) through air holes.

4. The large-span inflatable membrane structure according to claim 1, characterized in that: After the retractable shielding film (13) is deflated, it can automatically retract and closely adhere to the side of the partition film (5).

5. The large-span inflatable membrane structure according to claim 1, characterized in that: A clamping groove (26) corresponding to the size of the upper fixing seat (21) is arranged on the upper surface of the lower fixing seat (25).

6. The large-span inflatable membrane structure according to claim 1, characterized in that: The threads at both ends of the adjusting bolt (22) are opposite. The moving plate (27) is threadedly engaged with the adjusting bolt (22). The upper end of the moving plate (27) is closely attached to the inner wall of the upper fixing seat (21).

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