A new type of galvanized spiral air duct

Abstract

The utility model discloses a novel galvanized spiral air duct, comprising a first air duct, the surface of the first air duct is fixedly connected with a fixing frame, the outer side of the fixing frame is provided with a clamping groove, the inner side of the clamping groove is provided with a clamping block, and the inner side of the clamping block is fixedly connected with a limiting ring. The utility model connects the first air duct with the second air duct by installing the clamping block with the clamping groove, and then adjusts the position of the rotating block to make the screw rod and the air duct level, fixes the clamping block inside the screw sleeve with the fixing frame, rotates the clamping block with a tool, and makes the screw rod rotate to drive the screw sleeve and the clamping block to move, and clamps and fixes with the fixing frame, thereby fixing the first air duct with the second air duct, and by setting the heat insulation layer and the high temperature resistant layer, it is convenient to insulate and resist high temperature of the air duct, improve the stability of the use of the air duct, and replace the existing installation method, so as to achieve the effect of efficient assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral air ducts, in particular to a novel galvanized spiral air duct. Background Art

[0002] Spiral duct is a spirally-stitched thin-walled tube made of metal strip. It has the characteristics of being round, airtight and watertight. It is widely used in the fields of air supply, fume exhaust, dust removal and bulk material transportation, especially in the ventilation and air-conditioning systems of industrial plants, schools, stadiums, catering and residential buildings. It plays an important role. Spiral duct has the advantages of reasonable structure, easy installation and good ventilation effect. Its high pressure bearing capacity, corrosion resistance, high sealing and flexibility make it suitable for various complex environments and layout requirements. In addition, spiral duct also has a beautiful appearance and a long service life, which can reduce maintenance costs. Overall, spiral duct has become an important part of modern building ventilation system with its excellent performance and wide application fields.

[0003] Spiral ducts are used for ventilation. Existing spiral ducts are large in size and length, inconvenient to transport, and easily damaged, resulting in reduced efficiency. There are also potential safety hazards, which are not conducive to user use.

[0004] Therefore, it is necessary to redesign the spiral air duct to effectively prevent the existing spiral air duct from being large in size and length, inconvenient to transport, and easily damaged, resulting in reduced efficiency and safety hazards, which is not conducive to user use. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a new type of galvanized spiral air duct, which has the advantages of easy assembly and high use efficiency, and solves the problems that the existing spiral air ducts are large in size and length, inconvenient to transport, and easily damaged, resulting in reduced use efficiency, and at the same time there are safety hazards, which is not conducive to user use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of galvanized spiral air duct, comprising a first air duct, a fixed frame is fixedly connected to the surface of the first air duct, a clamping groove is provided on the outer side of the fixed frame, a clamping block is provided on the inner side of the clamping groove, a limiting ring is fixedly connected to the inner side of the limiting ring, a second air duct is fixedly connected to the inner side of the limiting ring, a clamping ring is fixedly connected to the side of the limiting ring away from the first air duct, and a clamping mechanism is provided on the outer side of the clamping ring.

[0007] As a preferred embodiment of the utility model, the clamping mechanism includes a rotating block, the bottom of the rotating block is movably connected to the outer side of the clamping ring through an axle pin, the inner side of the rotating block is movably connected to a screw, the surface of the screw is movably connected to a threaded sleeve, the inner side of the screw is fixedly connected to a clamping block, and the inner side of the threaded sleeve is fixedly connected to a clamping block.

[0008] As a preferred embodiment of the present invention, a sealing gasket is fixedly connected to the inner side of the second air duct, the sealing gasket is made of rubber, and the sealing gasket is used in conjunction with the first air duct and the second air duct.

[0009] As a preferred embodiment of the present invention, a heat insulation layer is fixedly connected to the inner side of the first air duct and the second air duct, and a high temperature resistant layer is fixedly connected to the inner side of the heat insulation layer.

[0010] As a preferred embodiment of the present invention, the material of the heat insulation layer is polyurethane foam material, and the material of the high temperature resistant layer is polytetrafluoroethylene.

[0011] As a preferred embodiment of the present invention, there are several clamping blocks, and the clamping blocks are evenly distributed in a ring shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model connects the first air duct with the second air duct by installing the clamping block and the clamping groove, and then adjusts the position of the rotating block to make the screw rod and the air duct level, fixes the clamping block inside the screw sleeve with the fixing frame, rotates the clamping block by a tool, and makes the screw rod rotate to drive the screw sleeve and the clamping block to move, and clamp and fix them with the fixing frame, so as to fix the first air duct with the second air duct. By setting the heat insulation layer and the high temperature resistant layer, it is convenient to insulate and resist high temperature of the air duct, improve the stability of the air duct, replace the existing installation method, so as to achieve the effect of efficient assembly, and facilitate the use of users.

[0014] 2. The utility model facilitates the clamping and fixing of the first air duct and the second air duct by setting the clamping mechanism, thereby improving the stability of the air duct connection and facilitating use by users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the first air duct of the utility model structure;

[0016] Figure 2 It is a three-dimensional schematic diagram of the second air duct of the utility model structure;

[0017] Figure 3 It is a three-dimensional schematic diagram of the structural card block of the utility model;

[0018] Figure 4 The utility model structure Figure 1 Enlarged schematic diagram at point A in the middle.

[0019] In the figure: 1. first air duct; 2. fixing frame; 3. clamping groove; 4. clamping block; 5. limiting ring; 6. second air duct; 7. clamping ring; 8. clamping mechanism; 81. rotating block; 82. screw; 83. screw sleeve; 84. clamping block; 85. clamping block; 9. sealing gasket; 10. thermal insulation layer; 11. high temperature resistant layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4 As shown, the utility model provides a new type of galvanized spiral air duct, including a first air duct 1, a fixing frame 2 is fixedly connected to the surface of the first air duct 1, a clamping groove 3 is opened on the outer side of the fixing frame 2, a clamping block 4 is arranged on the inner side of the clamping groove 3, a limiting ring 5 is fixedly connected to the inner side of the clamping block 4, a second air duct 6 is fixedly connected to the inner side of the limiting ring 5, a clamping ring 7 is fixedly connected to the side of the limiting ring 5 away from the first air duct 1, and a clamping mechanism 8 is arranged on the outer side of the clamping ring 7.

[0022] refer to Figure 1 The clamping mechanism 8 includes a rotating block 81, the bottom of which is movably connected to the outer side of the clamping ring 7 through an axle pin, the inner side of the rotating block 81 is movably connected to a screw rod 82, the surface of the screw rod 82 is movably connected to a screw sleeve 83, the inner side of the screw rod 82 is fixedly connected to a clamping block 84, and the inner side of the screw sleeve 83 is fixedly connected to a clamping block 85.

[0023] As a technical optimization solution of the present invention, the clamping mechanism 8 is provided to facilitate clamping and fixing the first air duct 1 and the second air duct 6, thereby improving the stability of the air duct connection and facilitating use by users.

[0024] refer to Figure 2 A sealing gasket 9 is fixedly connected to the inner side of the second air duct 6 . The sealing gasket 9 is made of rubber and is used in conjunction with the first air duct 1 and the second air duct 6 .

[0025] As a technical optimization solution of the utility model, the tightness of the air duct connection is improved by setting the sealing gasket 9, which effectively prevents air leakage in the air duct and facilitates use by users.

[0026] refer to Figure 4A heat insulation layer 10 is fixedly connected to the inner side of the first air duct 1 and the second air duct 6 , and a high temperature resistant layer 11 is fixedly connected to the inner side of the heat insulation layer 10 .

[0027] As a technical optimization solution of the utility model, the provision of the heat insulation layer 10 and the high temperature resistant layer 11 improves the stability and safety of the air duct, while increasing the service life of the air duct and making it easier for users to use.

[0028] refer to Figure 4 The material of the heat insulation layer 10 is polyurethane foam material, and the material of the high temperature resistant layer 11 is polytetrafluoroethylene.

[0029] As a technical optimization scheme of the utility model, by setting the heat insulation layer 10 as a polyurethane foam material, the polyurethane foam material has excellent thermal insulation performance, and the thermal conductivity coefficient (λ) is only 0.023W / (m·K), which is 1 / 5 to 1 / 8 of most other thermal insulation materials, which is convenient for users to use. By setting the high temperature resistant material to polytetrafluoroethylene, polytetrafluoroethylene has the ability to maintain stable performance under extreme temperature conditions, and the operating temperature range can reach -200℃ to 260℃, and can even withstand high temperatures of up to 300℃ in a short time, which is convenient for users to use.

[0030] refer to Figure 2 The number of clamping blocks 4 is several, and the clamping blocks 4 are evenly distributed in a ring shape.

[0031] As a technical optimization solution of the present invention, by setting the number of the clamping blocks to be a plurality, it is convenient to connect and clamp the first air duct 1 and the second air duct 6, thereby improving the stability of the connection and facilitating use by users.

[0032] The working principle and use process of the utility model are as follows: when in use, the user installs the clamping block 4 with the clamping groove 3 to connect the first air duct 1 with the second air duct 6, and then adjusts the position of the rotating block 81 to make the screw 82 level with the air duct, fixes the clamping block 85 inside the screw sleeve 83 with the fixed frame 2, and rotates the clamping block 84 with a tool to rotate the screw sleeve 83 and drive the screw sleeve 83 and the clamping block 85 to move, and clamp and fix them with the fixed frame 2, thereby fixing the first air duct 1 with the second air duct 6. By setting the heat insulation layer 10 and the high temperature resistant layer 11, it is convenient to insulate and resist high temperature of the air duct, improve the stability of the air duct, thereby achieving the effect of efficient assembly, and convenient for users to use.

[0033] To sum up: the new galvanized spiral air duct, by setting a first air duct 1, a fixed frame 2, a clamping groove 3, a clamping block 4, a limit ring 5, a second air duct 6, a clamping ring 7, a clamping mechanism 8, a rotating block 81, a screw 82, a screw sleeve 83, a clamping block 84, a clamping block 85, a sealing gasket 9, a heat insulation layer 10 and a high temperature resistant layer 11, solves the problems of the existing spiral air duct being large in size and length, inconvenient to transport, and easy to cause damage to the spiral air duct, resulting in reduced efficiency of use, and at the same time there are safety hazards and it is not conducive to use by users.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel galvanized spiral air duct, comprising a first air duct (1), characterized in that: A fixing frame (2) is fixedly connected to the surface of the first air duct (1); a clamping groove (3) is provided on the outer side of the fixing frame (2); a clamping block (4) is provided on the inner side of the clamping groove (3); a limiting ring (5) is fixedly connected to the inner side of the clamping block (4); a second air duct (6) is fixedly connected to the inner side of the limiting ring (5); a clamping ring (7) is fixedly connected to the side of the limiting ring (5) away from the first air duct (1); a clamping mechanism (8) is provided on the outer side of the clamping ring (7).

2. The novel galvanized spiral air duct according to claim 1 is characterized in that: The clamping mechanism (8) comprises a rotating block (81), the bottom of the rotating block (81) is movably connected to the outer side of the clamping ring (7) through an axle pin, the inner side of the rotating block (81) is movably connected to a screw rod (82), the surface of the screw rod (82) is movably connected to a screw sleeve (83), the inner side of the screw rod (82) is fixedly connected to a clamping block (84), and the inner side of the screw sleeve (83) is fixedly connected to a clamping block (85).

3. The novel galvanized spiral air duct according to claim 1 is characterized in that: A sealing gasket (9) is fixedly connected to the inner side of the second air duct (6); the sealing gasket (9) is made of rubber and is used in conjunction with the first air duct (1) and the second air duct (6).

4. The novel galvanized spiral air duct according to claim 1 is characterized in that: A heat insulation layer (10) is fixedly connected to the inner side of the first air duct (1) and the second air duct (6), and a high temperature resistant layer (11) is fixedly connected to the inner side of the heat insulation layer (10).

5. The novel galvanized spiral air duct according to claim 4 is characterized in that: The material of the heat insulation layer (10) is polyurethane foam material, and the material of the high temperature resistant layer (11) is polytetrafluoroethylene.

6. The novel galvanized spiral air duct according to claim 1 is characterized in that: The number of the clamping blocks (4) is several, and the clamping blocks (4) are evenly distributed in a ring shape.

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