A flange frame and a smoke exhaust duct having the same

Abstract

This application relates to a flange frame and a smoke exhaust duct having the flange frame, belonging to the technical field of mechanical connection structures. It includes four side arms, each with a connecting edge. The connecting edges of adjacent side arms are integrally connected and can be bent. The four side arms have a straight state and a frame state. When in the frame state, the four side arms form a square frame. When in the straight state, the four connecting edges are on the same straight line. A connecting seam exists between adjacent side arms. The sidewall of each connecting edge has a connecting hole for connecting to the sidewall of the duct. The side arm also has a flange hole for bolts. This application enables the flange frame to be used in a wider variety of storage and transportation spaces while increasing the connectivity between the four side arms.

Description

Technical Field

[0001] This application relates to the technical field of mechanical connection structures, and in particular to a flange frame and a smoke exhaust duct having the flange frame. Background Technology

[0002] In routine engineering construction, long metal pipes such as exhaust and drainage pipes are generally connected using flanges. Common flange installation methods include: integral installation at the pipe end, welding, and bolting. Bolting is the most common method due to its ease of installation and disassembly. However, if the entire frame is installed as a single unit, it occupies a large space, making transportation inconvenient; if the frame is divided into four side arms, these side arms are easily confused with those of different sizes during storage and use, making them difficult to distinguish. Therefore, a new type of flange frame connection method is urgently needed. Summary of the Invention

[0003] In order to enable the flange frame to be used in a wider variety of storage and transportation spaces, while increasing the connectivity between the four side arms, this application provides a flange frame and a smoke exhaust duct having the flange frame.

[0004] This application provides a flange frame, which adopts the following technical solution: A flange frame includes four side arms, each side arm having a connecting edge. The connecting edges of two adjacent side arms are integrally connected and can be bent. The four side arms have a straight state and a frame state. When the four side arms are in the frame state, they form a square frame. When the four side arms are in the straight state, the four connecting edges are on the same straight line. There is a connecting seam between two adjacent side arms. The side wall of the connecting edge has a connecting hole for connecting to the side wall of a pipe, and the side arm has a flange hole for bolts to pass through.

[0005] By adopting the above technical solution, the four side arms have two states and are connected together by connecting edges. They can be transported as long tubes or stored and transported as square frames, depending on actual storage and transportation needs. At the same time, the connecting edges also serve as connections to the side walls of the pipe.

[0006] Optionally, the side arm is provided with a bent flange, which is located on the side of the side arm away from the connecting plate.

[0007] By adopting the above technical solution and setting a bent and folded edge, the side arm is not directly exposed on the outside. The bent and folded edge itself has rounded corners, so it is not easy to scratch the human body.

[0008] Optionally, a corner is provided at the connection point of adjacent side arms, and the two ends of the corner are respectively connected to the two adjacent side arms.

[0009] By adopting the above technical solution and setting the corners, the connection strength between two adjacent side arms can be enhanced.

[0010] Optionally, the bends at the corners are provided with rounded corners.

[0011] By adopting the above technical solutions, the edges and corners are less likely to cause scratches to the human body.

[0012] Optionally, the side arm, connecting edge, and bent flange form a fixing groove, and the two ends of the side corner are respectively embedded into two fixing grooves.

[0013] Optionally, both ends of the corner are provided with raised flanges, and the two raised flanges abut against the connecting edge and the bent flange, respectively.

[0014] By adopting the above technical solution, the raised flange provides abutment support to the connecting edge and the bent flange, thereby maintaining the overall structural shape of the flange frame and making it less prone to deformation.

[0015] Optionally, a smoke exhaust duct includes a flange frame and a duct. The flange frame is fixed to the side wall of the duct through connecting holes and bolts. The flange frames of two adjacent ducts are set close together, and the two adjacent flange frames are fixedly connected through flange holes and bolts.

[0016] Optionally, the flange hole is provided in the form of an oblong shape.

[0017] By adopting the above technical solution, it is easier to align the oblong holes with each other during the bolt fixing process, and the position between the two flange frames can be finely adjusted.

[0018] Optionally, an adhesive layer is provided between two adjacent flange frames.

[0019] By adopting the above technical solution, the sealing performance of the connection between the two pipes is improved.

[0020] In summary, this application includes at least one of the following beneficial technical effects: 1. The four side arms have two states and are connected together by connecting edges. They can be transported as long tubes or stored and transported as square frames, depending on actual storage and transportation needs. The connecting edges also serve as connections to the side walls of the pipe. 2. The raised flanges provide abutment and support to the connecting edges and bent flanges, thereby maintaining the overall structural shape of the flange frame and preventing deformation. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the flange frame in the embodiments of this application.

[0022] Figure 2 This is a schematic diagram showing the four side arms in a straight line state in an embodiment of this application.

[0023] Figure 3 This is a partial structural schematic diagram of the flange frame in another embodiment.

[0024] Figure 4 This is a schematic diagram of the connection structure between the pipe body and the flange frame in an embodiment of this application.

[0025] Explanation of reference numerals in the attached drawings: 1. Side arm; 11. Flange hole; 12. Fixing groove; 13. Adhesive layer; 14. Connection seam; 2. Connection edge; 21. Connection hole; 3. Bending flange; 4. Corner; 41. Fixing support; 42. Protruding flange; 5. Pipe body. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0027] This application discloses a flange frame.

[0028] Reference Figure 1 The flange frame includes four side arms 1, each side arm 1 having a plurality of flange holes 11 for bolts to pass through. In this embodiment, the flange holes 11 are preferably slotted holes. When connecting two adjacent flange frames, bolts are passed through the flange holes 11 of the two side arms 1 and then tightened, thereby fixing the two flange frames together. A connecting edge 2 is integrally bent onto the side arm 1, and the connecting edge 2 has a plurality of connecting holes 21. Bolts are passed through the connecting holes 21 and into the side wall of the pipe, thereby fixing the side arm 1 and the flange frame to the pipe, and thus the flange frames can be used to tightly connect two adjacent pipes.

[0029] Reference Figure 1 and Figure 2 The four side arms 1 have a straight state and a border state. When the four side arms 1 are in the straight state, the four connecting edges 2 are on the same straight line and are connected as one piece. There is a connecting seam 14 between two adjacent side arms 1 so that two adjacent connecting edges 2 can be flipped. When the four side arms 1 are in the border state, the four side arms 1 form a square frame, and two adjacent connecting edges 2 are bent into a mutually perpendicular state.

[0030] Reference Figure 1 and Figure 2During transportation, users can choose to transport the flange frame in a straight line or bend it into a square frame for storage and transportation, depending on the actual space available.

[0031] A bent flange 3 is provided on the side arm 1. The bent flange 3 is integrally connected to the side of the side arm 1 away from the connecting plate. The bent flange 3, the side arm 1, and the connecting edge 2 form a fixing groove 12. Because the side arm 1 is a thin sheet that is easy to scratch the body, the bent flange 3 is provided so that the side arm 1 is not directly exposed on the outside of the flange frame. The human body can directly contact the bend of the bent flange 3 (when the metal part is bent, a rounded corner will be produced), and it is not easy to be scratched (when the entire flange frame is in use, the part that directly contacts the outside is the bend of the bent flange 3).

[0032] A corner 4 is provided at the connection between two adjacent side arms 1. The two ends of the corner 4 are provided with fixing supports 41 that are embedded in the fixing groove 12. The fixing supports 41 are fixed to the side arm 1 by rivets or screws. The bend of the corner 4 is provided with rounded corners to prevent limbs from being scratched.

[0033] Reference Figure 3 In another embodiment, the fixed support 41 is integrally provided with protruding flanges 42 on both sides. The two protruding flanges 42 abut against the connecting edge 2 and the bending flange 3 respectively, so as to abut against and support the connecting edge 2 and the bending flange 3, that is, to maintain the overall groove shape of the fixed groove 12 and not easily deformed.

[0034] Referring to the figure, this application also discloses a smoke exhaust duct, which includes a duct body 5 and a flange frame. The flange frame is fixed to the side wall of the duct body 5 by bolt connection. The flange frames of two adjacent duct bodies 5 are closely attached, and an adhesive layer 13 is provided on the side arm 1. An adhesive layer 13 is also provided at the connection end of the duct body 5, thereby improving the sealing between the two duct bodies 5.

[0035] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A flange frame, characterized in that: It includes four side arms (1), each side arm (1) is provided with a connecting edge (2), the connecting edges (2) of two adjacent side arms (1) are integrally connected, the two adjacent connecting edges (2) can be bent, the four side arms (1) have a straight state and a border state, when the four side arms (1) are in the border state, the four side arms (1) form a square frame, when the four side arms (1) are in the straight state, the four connecting edges (2) are on the same straight line, there is a connecting seam (14) between two adjacent side arms (1), the side wall of the connecting edge (2) is provided with a connecting hole (21) for connecting with the side wall of the pipe, and the side arm (1) is provided with a flange hole (11) for bolts to pass through.

2. The flange frame according to claim 1, characterized in that: The side arm (1) is provided with a bent flange (3), and the bent flange (3) is located on the side of the side arm (1) away from the connecting plate.

3. The flange frame according to claim 2, characterized in that: An edge corner (4) is provided at the connection point of adjacent side arms (1), and the two ends of the edge corner (4) are respectively connected to the two adjacent side arms (1).

4. The flange frame according to claim 3, characterized in that: The corner (4) is provided with a rounded corner.

5. The flange frame according to claim 3, characterized in that: The side arm (1), the connecting side (2), and the bent flange (3) form a fixed groove (12), and the two ends of the corner (4) are respectively embedded in the two fixed grooves (12).

6. The flange frame according to claim 5, characterized in that: Both ends of the corner (4) are provided with raised flanges (42), and the two raised flanges (42) abut against the connecting edge (2) and the bent flange (3) respectively.

7. A smoke exhaust duct, characterized in that: The flange frame and the pipe body (5) include any one of claims 1-6. The flange frame is fixed to the side wall of the pipe through the connecting hole (21) and bolts. The flange frames of two adjacent pipe bodies (5) are set close together and are fixedly connected through the flange hole (11) and bolts.

8. The smoke exhaust duct according to claim 7, characterized in that: The flange hole (11) is provided in the form of a waist-shaped hole.

9. The smoke exhaust duct according to claim 7, characterized in that: An adhesive layer (13) is provided between two adjacent flange frames.

Images