Flexible double-layer air pipe

Abstract

The utility model discloses a flexible double-layer air pipe which comprises a flexible air pipe body, the flexible air pipe body is formed by compounding polyurethane foam on the outer layer and glass wool on the inner layer, and an anti-condensation mechanism and a leakage-proof mechanism are respectively arranged on the flexible air pipe body. The anti-condensation mechanism comprises interlayer cloth, the interlayer cloth is arranged on the inner wall of the flexible air pipe body, silica gel is arranged in an inner cavity of the interlayer cloth, and a first zipper belt is arranged between an opening in the left side of the interlayer cloth and the inner wall of the flexible air pipe body. The device solves the problems that materials of an existing flexible air pipe generally do not have the moisture absorption function, and the humidity in the pipe cannot be effectively adjusted. In some high-humidity environments, such as basements, bathrooms or industrial plants, moisture in air is easy to condense on the inner wall of the air pipe, so that bacteria and molds are bred in the pipeline, even pipeline materials are corroded, and the service life of the air pipe and the air quality are influenced.

Description

Technical Field

[0001] This utility model belongs to the field of flexible air duct technology, specifically relating to a flexible double-layer air duct. Background Technology

[0002] Ventilation ducts are essential equipment for air circulation and regulation in buildings, industrial, and commercial spaces. Traditional ventilation ducts are mainly made of metal or rigid plastic. While they offer good strength and durability, their lack of flexibility becomes increasingly apparent in certain special situations, such as environments requiring frequent adjustments to duct layout or where installation space is limited. Therefore, flexible ducts have emerged, capable of adapting to complex installation environments and facilitating installation and adjustment.

[0003] However, existing flexible ducts have some limitations in use. The materials used in existing flexible ducts typically lack moisture absorption capabilities, making it impossible to effectively regulate humidity within the duct. In high-humidity environments, such as basements, bathrooms, or industrial plants, moisture in the air easily condenses on the inner walls of the duct, leading to the growth of bacteria and mold, and even corrosion of the duct material, affecting the duct's lifespan and air quality. This phenomenon has become a problem that urgently needs to be solved by those in the field. Utility Model Content

[0004] The purpose of this invention is to provide a flexible double-layer duct for existing devices, in order to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a flexible double-layer air duct, including a flexible air duct body, the flexible air duct body being composed of an outer layer of polyurethane foam and an inner layer of glass wool, and the flexible air duct body being respectively provided with an anti-condensation mechanism and an anti-leakage mechanism.

[0006] The anti-condensation mechanism includes: a sandwich fabric, which is disposed on the inner wall of the flexible duct body, and the inner cavity of the sandwich fabric is provided with silicone. A zipper strap is provided between the left opening of the sandwich fabric and the inner wall of the flexible duct body, and a zipper is provided on the zipper strap.

[0007] The leak-proof mechanism includes a connecting groove and a second zipper strap. The connecting groove is located on the left side of the flexible duct body, and a sealing strip is connected to the inner wall of the connecting groove. The second zipper strap is located on the left side of the flexible duct body and has a zipper. The silicone in the interlayer fabric has good moisture absorption properties, which can absorb moisture in the air inside the duct, reduce air humidity, and reduce condensation. When the silicone is saturated with moisture, the interlayer fabric can be opened by unzipping the first zipper strap for replacement or drying, which is convenient and quick. The sealing strip in the connecting groove plays a sealing role when the two flexible duct bodies are connected. The zipper on the second zipper strap further tightens the connection part, making the connection of the two flexible duct bodies fit tightly, effectively preventing air leakage and ensuring the efficient operation of the ventilation system. The flexible duct body is composed of an outer layer of polyurethane foam and an inner layer of glass wool. Both polyurethane foam and glass wool have good thermal insulation properties, which can effectively reduce the heat exchange between the air inside the duct and the external environment, play a role in heat preservation, and reduce energy consumption.

[0008] This utility model further illustrates that the flexible duct body is provided with a support mechanism, which includes: a support frame, the support frame being movably fitted onto the outer wall of the flexible duct body, a rubber pad being bonded to the inner cavity of the support frame, and a fixing plate being fixedly connected to the top of the support frame. Bolt fixing holes are respectively opened at the four corners of the top of the fixing plate. The support frame shares the weight of the flexible duct body itself, preventing the flexible duct body from sagging due to its own weight or deforming due to external pressure. The rubber pad, on the one hand, increases the friction between the support frame and the flexible duct body, making the support more stable; on the other hand, it acts as a buffer, reducing wear on the flexible duct body caused by the support frame. The bolt fixing holes at the four corners of the top of the fixing plate facilitate fixing the fixing plate and the support frame in the installation position, thereby stably installing the flexible duct body and improving the convenience and stability of installation.

[0009] This utility model further explains that there are several sets of support mechanisms, which are respectively set on the outer wall of the flexible duct body. The setting of several sets of support mechanisms can evenly distribute the weight and external pressure of the flexible duct body, so that the flexible duct body can be effectively supported at different positions, avoiding excessive local stress that could damage the duct, and further enhancing the stability and durability of the duct.

[0010] This utility model further illustrates that the right flange of the flexible duct body is connected to an air inlet pipe, and an adjusting valve plate is provided on the air inlet pipe. According to the actual ventilation needs, the opening of the adjusting valve plate is adjusted to control the amount of air intake, thereby meeting the ventilation requirements of different places and improving the flexibility and adaptability of the ventilation system.

[0011] This utility model further illustrates that reinforcing strips are fixedly connected to the outer walls of the flexible duct body on all four sides. The reinforcing strips are metal sheets. The metal sheets can enhance the strength of the flexible duct body, reduce damage caused by stretching or bending, and extend the service life of the duct.

[0012] This utility model further explains that two fluorescent identification strips are adhered to the bottom of the flexible duct body, and are located on the front and rear sides of the reinforcing strip respectively. The fluorescent identification strips can emit fluorescence in low light environments, making it convenient for operators to identify the location and direction of the duct. At the same time, in some special circumstances, such as in case of fire or other emergencies, the fluorescent identification strips can serve as a warning and guide personnel to evacuate.

[0013] Compared with the prior art, the beneficial effects achieved by this utility model are: This utility model,

[0014] (1) The silicone in the interlayer cloth has good moisture absorption properties, which can absorb the moisture in the air inside the pipe, reduce the air humidity, and reduce the occurrence of condensation. When the silicone is saturated with moisture, the interlayer cloth can be opened by pulling the zipper on the first zipper belt to replace or dry it, which is convenient and quick. The sealing strip in the connecting groove plays a sealing role when the two flexible air duct bodies are connected. The zipper on the second zipper belt further tightens the connection part, so that the connection of the two flexible air duct bodies is tightly fitted, effectively preventing air leakage and ensuring the efficient operation of the ventilation system. The flexible air duct body is composed of an outer polyurethane foam and an inner glass wool composite. Both polyurethane foam and glass wool have good heat insulation properties, which can effectively reduce the heat exchange between the air inside the pipe and the outside environment, play a heat preservation role, and reduce energy consumption.

[0015] (2) The support frame distributes the weight of the flexible duct body, preventing it from sagging or deforming due to its own weight or external pressure. The rubber pad increases the friction between the support frame and the flexible duct body, making the support more stable. On the other hand, it acts as a buffer, reducing the wear of the support frame on the flexible duct body. The bolt holes at the four corners of the top of the fixing plate make it easy to fix the fixing plate and the support frame in the installation position, thereby stabilizing the installation of the flexible duct body and improving the convenience and stability of the installation. The metal sheet reinforcement strip can enhance the strength of the flexible duct body, reduce damage caused by stretching or bending, and extend the service life of the duct. The fluorescent marking strip can emit fluorescence in low light conditions, making it easy for operators to identify the location and direction of the duct. At the same time, in some special situations, such as in case of fire or other emergencies, the fluorescent marking strip can serve as a warning and guide personnel to evacuate. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0018] Figure 2 This is a front sectional view of the present invention;

[0019] Figure 3 for Figure 2 Enlarged view of point A;

[0020] Figure 4 This is a schematic diagram of the support mechanism of this utility model;

[0021] In the diagram: 1. Flexible duct body; 11. Polyurethane foam; 12. Glass wool; 2. Anti-condensation mechanism; 21. Interlayer fabric; 22. Silicone; 23. Zipper belt one; 3. Leak-proof mechanism; 31. Connecting groove; 32. Sealing strip; 33. Zipper belt two; 4. Support mechanism; 41. Support frame; 42. Rubber pad; 43. Fixing plate; 44. Bolt fixing hole; 5. Air inlet duct; 6. Adjusting valve plate; 7. Reinforcing strip; 8. Fluorescent marking strip. Detailed Implementation

[0022] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] Please see Figure 1-4This utility model provides a technical solution: a flexible double-layer air duct, comprising a flexible air duct body 1, which is composed of an outer layer of polyurethane foam 11 and an inner layer of glass wool 12. Both polyurethane foam 11 and glass wool 12 have good heat insulation properties, effectively reducing heat exchange between the air inside the duct and the external environment, thus playing a role in heat preservation and reducing energy consumption. The flexible air duct body 1 is respectively provided with an anti-condensation mechanism 2 and an anti-leakage mechanism 3. The anti-condensation mechanism 2 includes: a sandwich fabric 21, which is disposed on the inner wall of the flexible air duct body 1. The inner cavity of the sandwich fabric 21 is provided with silicone 22. A zipper strap 23 is provided between the left opening of the sandwich fabric 21 and the inner wall of the flexible air duct body 1. A zipper is provided on the zipper strap 23. The silicone 22 in the sandwich fabric 21 has good moisture absorption. The performance is such that it can absorb moisture from the air inside the duct, reduce air humidity, and reduce the occurrence of condensation. When the silica gel 22 is saturated with moisture, the interlayer cloth 21 can be opened by unzipping the zipper belt 23 for replacement or drying, which is convenient and quick. The leak-proof mechanism 3 includes: a connecting groove 31 and a second zipper belt 33. The connecting groove 31 is located on the left side of the flexible duct body 1, and a sealing strip 32 is connected to the inner wall of the connecting groove 31. The second zipper belt 33 is located on the left side of the flexible duct body 1, and a zipper is provided on the second zipper belt 33. The sealing strip 32 in the connecting groove 31 plays a sealing role when the two flexible duct bodies 1 are connected. The zipper on the second zipper belt 33 further tightens the connection part, so that the connection of the two flexible duct bodies 1 fits tightly, effectively preventing air leakage and ensuring the efficient operation of the ventilation system.

[0024] The right flange of the flexible duct body 1 is connected to an air inlet pipe 5. An adjusting valve plate 6 is installed on the air inlet pipe 5. According to the actual ventilation needs, the air intake volume can be controlled by adjusting the opening of the adjusting valve plate 6 to meet the ventilation requirements of different places and improve the flexibility and adaptability of the ventilation system.

[0025] Working principle: Air enters the flexible duct body 1 through the air inlet pipe 5. The air intake volume can be controlled by adjusting the opening of the regulating valve plate 6. The silicone 22 in the interlayer cloth 21 has good moisture absorption properties, which can absorb the moisture in the air inside the duct, reduce the air humidity, and reduce the occurrence of condensation. When the silicone 22 is saturated with moisture, the interlayer cloth 21 can be opened by pulling the zipper on the first zipper belt 23 for replacement or drying. The sealing strip 32 in the connecting groove 31 plays a sealing role when the two flexible duct bodies 1 are connected. The zipper on the second zipper belt 33 further tightens the connection part, so that the connection of the two flexible duct bodies 1 is tightly fitted, effectively preventing air leakage and ensuring the efficient operation of the ventilation system. The flexible duct body 1 is composed of an outer polyurethane foam 11 and an inner glass wool 12. Both polyurethane foam 11 and glass wool 12 have good heat insulation properties, which can effectively reduce the heat exchange between the air inside the duct and the external environment, play a heat preservation role, and reduce energy consumption.

[0026] A support mechanism 4 is provided on the flexible duct body 1. The support mechanism 4 includes a support frame 41, which is movably fitted onto the outer wall of the flexible duct body 1. A rubber pad 42 is bonded to the inner cavity of the support frame 41. A fixing plate 43 is fixedly connected to the top of the support frame 41. Bolt fixing holes 44 are respectively opened at the four corners of the top of the fixing plate 43. The support frame 41 bears the weight of the flexible duct body 1 itself, preventing the flexible duct body 1 from sagging due to its own weight or deforming due to external pressure. The rubber pad 42 increases the friction between the support frame 41 and the flexible duct body 1, making the support more stable, and also acts as a buffer. The function is to reduce the wear of the support frame 41 on the flexible duct body 1. The bolt fixing holes 44 at the four corners of the top of the fixing plate 43 facilitate the fixing plate 43 and the support frame 41 to be fixed in the installation position, thereby stabilizing the installation of the flexible duct body 1 and improving the convenience and stability of the installation. There are several sets of support mechanisms 4, which are respectively set on the outer wall of the flexible duct body 1. The setting of several sets of support mechanisms 4 can evenly distribute the weight and external pressure of the flexible duct body 1, so that the flexible duct body 1 can be effectively supported in different positions, avoiding excessive local stress that could damage the duct, and further enhancing the stability and durability of the duct.

[0027] The flexible duct body 1 is fixedly connected with reinforcing strips 7 on its four outer walls. The reinforcing strips 7 are metal sheets. The metal sheets of the reinforcing strips 7 can enhance the strength of the flexible duct body 1, reduce damage caused by stretching or bending, and extend the service life of the duct.

[0028] Two fluorescent identification strips 8 are attached to the bottom of the flexible duct body 1, and are located on the front and rear sides of the reinforcing strip 7 respectively. The fluorescent identification strips 8 can emit fluorescence in low light conditions, making it easy for operators to identify the location and direction of the duct. At the same time, in some special circumstances, such as in case of fire or other emergencies, the fluorescent identification strips 8 can serve as a warning and guide personnel to evacuate.

[0029] Working principle: The supporting frame 41 distributes the weight of the flexible duct body 1, preventing it from sagging or deforming due to its own weight or external pressure. The rubber pad 42 increases the friction between the supporting frame 41 and the flexible duct body 1, making the support more stable; it also acts as a buffer, reducing wear on the flexible duct body 1 caused by the supporting frame 41. The bolt fixing holes 44 at the four corners of the top of the fixing plate 43 facilitate fixing the fixing plate 43 and the supporting frame 41 in the installation position, thereby stabilizing the installation of the flexible duct body 1. The metal sheet reinforcing strip 7 enhances the strength of the flexible duct body 1, reduces damage caused by stretching or bending, and extends the service life of the duct. The fluorescent marking strip 8 emits fluorescence in low-light environments, making it easy for operators to identify the location and direction of the duct. In addition, in some special situations, such as in case of fire or other emergencies, the fluorescent marking strip 8 can serve as a warning and guide personnel to evacuate.

[0030] It is worth noting that the regulating valve plate 6 in the above embodiments is a commonly used device in the prior art. The model and other aspects can be customized according to actual usage requirements. The specific components and principles involved are all prior art, well known in the current field, and clear to those skilled in the art. Therefore, they will not be described in detail here.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A flexible double-layer air duct, comprising a flexible air duct body (1), characterized in that: The flexible duct body (1) is composed of an outer layer of polyurethane foam (11) and an inner layer of glass wool (12). The flexible duct body (1) is provided with an anti-condensation mechanism (2) and an anti-leakage mechanism (3). The anti-condensation mechanism (2) includes: a sandwich fabric (21), which is disposed on the inner wall of the flexible duct body (1), and the inner cavity of the sandwich fabric (21) is provided with silicone (22). A zipper strap (23) is provided between the left opening of the sandwich fabric (21) and the inner wall of the flexible duct body (1), and a zipper is provided on the zipper strap (23). The leak-proof mechanism (3) includes: a connecting groove (31) and a second zipper belt (33). The connecting groove (31) is located on the left side of the flexible duct body (1). A sealing strip (32) is connected to the inner wall of the connecting groove (31). The second zipper belt (33) is located on the left side of the flexible duct body (1). A zipper is provided on the second zipper belt (33).

2. The flexible double-layer air duct according to claim 1, characterized in that: The flexible duct body (1) is provided with a support mechanism (4), which includes a support frame (41), the support frame (41) is movably sleeved on the outer wall of the flexible duct body (1), the inner cavity of the support frame (41) is bonded with a rubber pad (42), the top of the support frame (41) is fixedly connected with a fixing plate (43), and the top four corners of the fixing plate (43) are respectively provided with bolt fixing holes (44).

3. A flexible double-layer air duct according to claim 2, characterized in that: The number of the support mechanisms (4) is several, and they are respectively set on the outer wall of the flexible duct body (1).

4. The flexible double-layer air duct according to claim 1, characterized in that: The right flange of the flexible duct body (1) is connected to an air inlet pipe (5), and an regulating valve plate (6) is provided on the air inlet pipe (5).

5. A flexible double-layer air duct according to claim 1, characterized in that: The flexible duct body (1) has reinforcing strips (7) fixedly connected to its four outer walls, and the reinforcing strips (7) are metal sheets.

6. A flexible double-layer air duct according to claim 1, characterized in that: Two fluorescent identification strips (8) are attached to the bottom of the flexible duct body (1), and are located on the front and rear sides of the reinforcing strip (7), respectively.

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