Anti-cold-bridge flange for composite air pipe

Abstract

The anti-cold-bridge flange comprises a flange body of a structure shaped like a Chinese character'jin ', the flange body comprises an outer frame, an inner clamping groove is formed in the outer frame, and an inner frame matched with the outer frame in size is arranged in the outer frame; an outer clamping groove matched with the inner clamping groove in size is formed in the inner frame. According to the composite air pipe flange, the composite air pipe flange is arranged to be of the structure shaped like the Chinese character'jin ', the inner frame is made of engineering plastic, the outer frame is formed by bending and pressing aluminum alloy, the inner clamping groove is formed in the inner frame, the inner clamping groove is formed in the outer frame, and the inner frame and the outer frame are connected through the clamping grooves, so that the air pipe manufacturing standard and air pipe connection can be unified; the problems that other flanges are prone to air leakage and even generate condensate water are effectively solved, and meanwhile the problem that engineering design requirements cannot be met and cost cannot be saved at the same time when the composite air pipe flange is connected with an air valve is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of composite air ducts, and in particular to an anti-cold bridge flange for a composite air duct. Background Art

[0002] The existing composite duct connection flanges are aluminum alloy strip flanges or steel flanges. When the ducts are connected with aluminum alloy strip flanges, "C"-shaped strips are used to connect the ducts. This flange can only be fixed with screws or rivets when connected to the air valve, and cannot be effectively sealed. It is easy to leak air and even produce condensed water. When the ducts are connected with additional steel flanges, since the ducts are composite plates, the size of the air valve can only be increased when the ducts are connected to the air valve. This connection method will change the engineering design parameters and increase costs.

[0003] There is currently no effective solution to the above problems. Summary of the invention

[0004] In view of the above technical problems in the related art, the present invention proposes an anti-cold bridge flange for a composite air duct, which can overcome the above shortcomings of the prior art.

[0005] To achieve the above technical objectives, the technical solution of the present invention is implemented as follows: A cold bridge prevention flange for a composite air duct comprises a flange body in a jin-shaped structure, the flange body comprises an outer frame, an inner slot is arranged inside the outer frame, an inner frame matching the size of the outer frame is arranged inside the outer frame, and an outer slot matching the size of the inner slot is arranged on the inner frame.

[0006] Furthermore, the inner slot is a combination of a trapezoid and a rectangle.

[0007] Furthermore, the inner frame is snapped into the inner card slot via the outer card slot to achieve an integrated connection.

[0008] Furthermore, the flange body includes an L-shaped folded plate 1 and an L-shaped folded plate 2, the short plate 2 of the L-shaped folded plate 2 is parallel to the short plate 1 of the L-shaped folded plate 1 and has the same specifications, the long plate 2 of the L-shaped folded plate 2 is parallel to the long plate 1 of the L-shaped folded plate 1 and the ends are flush, and the L-shaped folded plate 1 and the L-shaped folded plate 2 form a jin-shaped structure.

[0009] Furthermore, when in use, the outer end of the short plate of the L-shaped folded plate is connected to the flange of the air valve by bolts.

[0010] Furthermore, when in use, the composite air duct plate is clamped inside the inner frame, and the composite air duct plate is riveted to the inner frame.

[0011] Furthermore, the inner frame is made of engineering plastics.

[0012] Beneficial effects of the present invention: The present invention arranges the composite air duct flange into a pound-shaped structure, uses an inner frame made of engineering plastic, the inner frame is provided with an outward slot, and an outer frame is formed by bending and pressing aluminum alloy, the outer frame is provided with an inward slot, and the inner frame and the outer frame are connected by the slot, so as to achieve a unified air duct manufacturing standard and the connection between air ducts, and effectively solve the problem that other flanges are prone to air leakage and even generate condensed water. At the same time, it solves the problem that when the composite air duct flange is connected to the air valve, it is impossible to meet the engineering design requirements and save costs at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of an anti-cold bridge flange for a composite air duct according to an embodiment of the present invention; Figure 2 This is a structural front view of an anti-cold bridge flange for a composite air duct according to an embodiment of the present invention; Figure 3 It is a schematic diagram of connecting an air duct and an air valve of an anti-cold bridge flange for a composite air duct according to an embodiment of the present invention; In the figure: 1. outer frame; 2. inner frame; 3. composite air duct plate; 4. air valve flange; 5. flange body; 51. L-shaped folded plate one; 52. L-shaped folded plate two; 53. short plate one; 54. short plate two; 55. long plate one; 56. long plate two. DETAILED DESCRIPTION

[0015] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0016] like Figure 1-3 As shown, according to an embodiment of the present invention, an anti-cold bridge flange for a composite air duct includes a flange body 5 with a jin-shaped structure, wherein the flange body 5 includes an outer frame 1, an inner slot 11 is provided inside the outer frame 1, an inner frame 2 matching the size of the outer frame 1 is provided inside the outer frame 1, and an outer slot 21 matching the size of the inner slot 11 is provided on the inner frame 2.

[0017] The inner card slot 11 is a combination of a trapezoid and a rectangle. The inner frame 2 is snapped into the inner card slot 11 through the outer card slot 21 to achieve an integrated connection.

[0018] like Figure 1 As shown, the flange body 5 includes an L-shaped folded plate 1 51 and an L-shaped folded plate 2 52, the short plate 2 54 of the L-shaped folded plate 2 52 is parallel to the short plate 1 53 of the L-shaped folded plate 1 51 and has the same specifications, the long plate 2 56 of the L-shaped folded plate 2 52 is parallel to the long plate 1 55 of the L-shaped folded plate 1 51 and the ends are flush, and the L-shaped folded plate 1 51 and the L-shaped folded plate 2 52 form a jin-shaped structure.

[0019] like Figure 3 As shown, when in use, the outer end of the short plate 53 of the L-shaped folded plate 51 is connected to the air valve flange 4 by bolts. When in use, the composite air duct plate 3 is clamped in the inner frame 2, and the composite air duct plate 3 is riveted to the inner frame 2.

[0020] The inner frame (2) is made of engineering plastic.

[0021] In order to facilitate understanding of the above technical solutions of the present invention, the above technical solutions of the present invention are described in detail below through specific usage methods.

[0022] In specific use, according to the anti-cold bridge flange for a composite air duct described in the present invention, the flange is a "jin"-shaped flange, including an aluminum alloy bent and pressed outer frame 1, an engineering plastic inner frame 2, the outer frame 1 is provided with an inner slot 11, and the inner frame is provided with an outer slot 21. The outer frame 1 and the inner frame 2 are integratedly connected by inserting the inner slot 11 of the outer frame 1 and the outer slot 21 of the inner frame 2. The inner frame 2 is riveted to the composite air duct sheet material to achieve a "jin"-shaped flange for preventing cold bridges for the composite air duct and the composite air duct sheet material fixedly formed, and a "jin"-shaped flange flange for preventing cold bridges for the composite air duct and a flanging of the air valve 4 are bolted to achieve the connection between the composite air duct and the air valve.

[0023] To summarize, with the aid of the above technical scheme of the present invention, by setting the composite air duct flange into a jin-shaped structure, using an inner frame made of engineering plastic, the inner frame is provided with an outward slot, and the outer frame is formed by bending and pressing aluminum alloy, the outer frame is provided with an inward slot, and the inner frame and the outer frame are connected by the slot, it is possible to achieve a unified air duct manufacturing standard and connection between air ducts, effectively solve the problem that other flanges are prone to air leakage and even generate condensed water, and at the same time solve the problem that when the composite air duct flange is connected to the air valve, it is impossible to meet the engineering design requirements and save costs at the same time.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cold bridge prevention flange for a composite air duct, characterized in that: The flange body (5) comprises a flange body (5) in a jin-shaped structure, wherein the flange body (5) comprises an outer frame (1), an inner slot (11) is provided inside the outer frame (1), an inner frame (2) matching the size of the outer frame (1) is provided inside the outer frame (1), and an outer slot (21) matching the size of the inner slot (11) is provided on the inner frame (2).

2. The anti-cold bridge flange for composite air duct according to claim 1, characterized in that: The inner card slot (11) is a combination of a trapezoid and a rectangle.

3. The anti-cold bridge flange for composite air duct according to claim 1, characterized in that: The inner frame (2) is snapped into the inner card slot (11) via the outer card slot (21) to achieve an integrated connection.

4. The anti-cold bridge flange for composite air duct according to claim 1, characterized in that: The flange body (5) comprises an L-shaped folded plate 1 (51) and an L-shaped folded plate 2 (52); the short plate 2 (54) of the L-shaped folded plate 2 (52) is parallel to the short plate 1 (53) of the L-shaped folded plate 1 (51) and has the same specifications; the long plate 2 (56) of the L-shaped folded plate 2 (52) is parallel to the long plate 1 (55) of the L-shaped folded plate 1 (51) and the ends are flush; the L-shaped folded plate 1 (51) and the L-shaped folded plate 2 (52) form a jin-shaped structure.

5. The anti-cold bridge flange for composite air duct according to claim 4, characterized in that: When in use, the outer end of the short plate one (53) of the L-shaped folded plate one (51) is connected to the air valve flange (4) by means of bolts.

6. The anti-cold bridge flange for the composite air duct according to any one of claims 1 to 5, characterized in that: When in use, the composite air duct plate (3) is clamped inside the inner frame (2), and the composite air duct plate (3) is riveted to the inner frame (2).

7. The anti-cold bridge flange for the composite air duct according to claim 6, characterized in that: The inner frame (2) is made of engineering plastic.

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