Air pipe common-plate flange adopting sealing washer

Abstract

The utility model provides an air pipe common plate flange adopting a sealing washer, and relates to the technical field of air pipe common plate flanges, the air pipe common plate flange comprises two flange frames and a connecting device, the two flange frames are mutually connected and fixed through the connecting device, the connecting device comprises a first clamping frame and a second clamping frame, the two flange frames abut against each other, and the first clamping frame is connected with the second clamping frame. The first clamping frame and the second clamping frame are clamped to the surfaces, close to each other, of the two flange frames respectively, connecting plates are fixedly connected to the two sides of the surface of the first clamping frame respectively, connecting grooves are formed in the two sides of the surface of the second clamping frame respectively, and the connecting plates are connected with the inner walls of the connecting grooves in an inserted mode. When the air pipe common-plate flange is used, the position where damage is abnormal can be maintained and replaced more conveniently, the working difficulty of maintenance is lowered, the working efficiency of maintenance personnel is improved, and the usability and convenience of the air pipe common-plate flange are also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air duct common plate flanges, in particular to an air duct common plate flange using a sealing gasket. Background Art

[0002] The common plate flange air duct is also called the flangeless air duct. It is usually used in fresh air systems, air conditioning systems, etc. The advantages of the common plate flange air duct in production are saving materials, reducing project investment and reducing energy consumption.

[0003] When using traditional common plate flange air ducts, multiple sections of flange air ducts are connected and fixed by welding according to the needs of actual applications, thereby ensuring the normal use of the flange air duct. However, it is found in actual use that the welding connection method, although the connection strength is guaranteed, is difficult to reverse. As a result, when the flange air duct is damaged abnormally, it is difficult to perform normal maintenance and disassembly of the flange air duct, which increases the difficulty of maintenance, affects the convenience of using the flange air duct, and makes it have certain limitations. Utility Model Content

[0004] The utility model proposes a duct common plate flange using a sealing gasket to solve the problem that although the connection strength is guaranteed in the welding connection mode, it is difficult to reverse. As a result, when the flange air duct is abnormally damaged, it is difficult to perform normal maintenance and disassembly of the flange air duct, which increases the difficulty of maintenance and affects the convenience of using the flange air duct, making it have certain limitations.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a duct common plate flange using a sealing gasket, comprising two flange frames and a connecting device, the two flange frames are connected and fixed to each other by means of the connecting device, the connecting device comprises a first clamping frame and a second clamping frame, the two flange frames abut against each other, the first clamping frame and the second clamping frame are respectively clamped on the surfaces of the two flange frames close to each other, connecting plates are fixedly connected on both sides of the surface of the first clamping frame, connecting grooves are respectively opened on both sides of the surface of the second clamping frame, the connecting plates are plugged into the inner wall of the connecting groove, bolts are inserted through the surface of the connecting plate, and the bolts are threadedly connected to the inner wall of the connecting groove.

[0006] The effect achieved by the above components is that when the air duct common plate flange is in use, it is more convenient to maintain and replace the damaged and abnormal positions, which reduces the difficulty of maintenance work, improves the work efficiency of maintenance personnel, and also improves the usability and convenience of the air duct common plate flange.

[0007] Preferably, grooves are respectively provided on the sides of the two flange frames that are close to each other, and sealing rings are clamped on the inner walls of the grooves, and the sealing rings are rubber rings.

[0008] The effect achieved by the above components is: through the setting of the sealing ring, it is difficult for a gap to be generated at the contact position of the two flange frames, thereby ensuring the airtightness between the two flange frames and ensuring the normal use of the flange frames.

[0009] Preferably, both sides of the surface of the sealing ring are provided with insertion holes respectively, and the inner walls of the first card frame and the second card frame are fixedly connected with insertion blocks on the sides close to each other, and the insertion blocks are plugged into the inner walls of the insertion holes.

[0010] The effect achieved by the above components is: through the plug-in setting of the jack and the jack, the sealing ring is more firmly installed at the contact position between the two flange frames, ensuring the stability of the position of the sealing ring, not easy to deflect, and ensuring its stable use.

[0011] Preferably, a knob is fixedly connected to the surface of the bolt, and a plurality of anti-slip protrusions are provided on the surface of the knob.

[0012] The effect achieved by the above components is: through the setting of the knob, the bolt is more convenient and quick to use, so that the first clamping frame and the second clamping frame can be installed at the contact position between the two flange frames more conveniently, thereby improving the convenience of use.

[0013] Preferably, reinforcement grooves are respectively opened on both sides of the surfaces of the first card frame and the second card frame, a reinforcement plate is inserted through the surface of the bolt, and both ends of the reinforcement plate are respectively inserted into the inner walls of the reinforcement grooves on the surfaces of the first card frame and the second card frame.

[0014] The effects achieved by the above components are: through the provision of the reinforcement plate and the reinforcement groove, a further connection relationship is formed between the first clamping frame and the second clamping frame, so that the connection and fixation of the flange frame is more stable and not prone to loosening.

[0015] Preferably, reinforcement devices are respectively provided on the surfaces of the two flange frames, and the reinforcement devices include two assembly plates, which are respectively fixedly connected to the surfaces of the two flange frames, and screws are inserted through the surfaces of the two assembly plates, and nuts are threadedly connected on the arc surfaces of the screws, and the nuts are in contact with the surfaces of the assembly plates.

[0016] The effect achieved by the above components is that when the flange frames are installed with the aid of the connecting device, the two flange frames can be made more stable and the flange frames can be pre-fixed, thereby facilitating the use of the connecting device and improving the convenience of using the connecting device.

[0017] Preferably, a reinforcement ring is sleeved on the arc surface of the screw, and the reinforcement ring is a metal ring.

[0018] The effect achieved by the above components is: through the provision of the reinforcement ring, the nut is more firmly installed on the screw rod, can be installed more snugly, is not prone to rotation looseness, and thus makes the two flange frames more stable.

[0019] Preferably, the surfaces of the first clamping frame and the second clamping frame are respectively fixedly connected with reinforcing plates on the sides away from each other, and the screw rods are plugged into the surfaces of the reinforcing plates.

[0020] The effect achieved by the above components is: through the setting of the reinforcement plate, the screw rod and the connecting device form a certain connectivity, so that the installation between the two flange frames is more stable and firm, and the use effect of the reinforcement device is improved.

[0021] In summary, the beneficial effects of the utility model are:

[0022] When the air duct common plate flange is in use, it is more convenient to maintain and replace the damaged and abnormal positions, which reduces the difficulty of maintenance work, improves the work efficiency of maintenance personnel, and also improves the usability and convenience of the air duct common plate flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the connection device of the utility model;

[0025] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of the connection device of the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the reinforcement device of the utility model.

[0027] Legend: 1. Flange frame; 2. Connecting device; 21. First clamp frame; 22. Second clamp frame; 23. Connecting plate; 24. Connecting groove; 25. Bolt; 26. Knob; 27. Sealing ring; 28. Socket; 29. ​​Insert block; 210. Reinforcement plate; 211. Reinforcement groove; 3. Reinforcement device; 31. Assembly plate; 32. Screw; 33. Nut; 34. Reinforcement ring; 35. Reinforcement plate. DETAILED DESCRIPTION

[0028] Reference Figure 1 As shown, this embodiment discloses a duct common plate flange using a sealing gasket, including two flange frames 1 and a connecting device 2. The two flange frames 1 are connected and fixed to each other by means of the connecting device 2, and reinforcement devices 3 are respectively provided on the surfaces of the two flange frames 1.

[0029] Reference Figure 1 and Figure 2 as well as Figure 3 As shown, this embodiment discloses a connecting device 2 including a first clamping frame 21 and a second clamping frame 22, the two flange frames 1 are abutted against each other, the first clamping frame 21 and the second clamping frame 22 are respectively clamped on the surfaces of the two flange frames 1 close to each other, the surface of the first clamping frame 21 is respectively fixedly connected with connecting plates 23 on both sides, the surface of the second clamping frame 22 is respectively provided with connecting grooves 24 on both sides, the connecting plate 23 is plugged into the inner wall of the connecting groove 24, the surface of the connecting plate 23 is penetrated and plugged with bolts 25, and the bolts 25 are threadedly connected to the inner wall of the connecting groove 24. When the air duct common plate flange is installed and used, the two flange frames 1 are first contacted and squeezed against each other, and then the first clamping frame 21 is fixedly connected with the connecting plates 23 on both sides, and the second clamping frame 22 is respectively provided with connecting grooves 24 on both sides. The connecting plate 23 is plugged into the inner wall of the connecting groove 24. The bolts 25 are threadedly connected to the inner wall of the connecting groove 24. When the air duct common plate flange is installed and used, the two flange frames 1 are first contacted and squeezed against each other, and then the first clamping frame 21 is fixedly connected with the connecting plates 23 on both sides. The frame 21 and the second clamping frame 22 are respectively clamped on both sides of the surface of the contact position of the two flange frames 1. At this time, the connecting plates 23 on both sides of the surface of the first clamping frame 21 will be inserted into the connecting grooves 24 on both sides of the surface of the second clamping frame 22, and then the two bolts 25 are respectively inserted into the surfaces of the connecting plates 23 on both sides until the bolts 25 are threadedly connected with the inner walls of the connecting grooves 24, so that the positions of the first clamping frame 21 and the second clamping frame 22 are stable. At this time, when the air duct common plate flange is in use, it is more convenient to maintain and replace the damaged and abnormal positions, which reduces the difficulty of maintenance work, improves the work efficiency of maintenance personnel, and also improves the usability and convenience of the air duct common plate flange.

[0030] Reference Figure 1 and Figure 2 as well as Figure 3 As shown, the present embodiment discloses that grooves are respectively provided on the sides of the surfaces of the two flange frames 1 close to each other, and the inner walls of the grooves are clamped with sealing rings 27, which are rubber rings. Through the setting of the sealing rings 27, gaps are not easily generated at the contact positions of the two flange frames 1, thereby ensuring the airtightness between the two flange frames 1 and the normal use of the flange frames 1. Insertion holes 28 are respectively provided on both sides of the surfaces of the sealing rings 27, and the sides of the inner walls of the first card frame 21 and the second card frame 22 close to each other are respectively fixedly connected with insertion blocks 29, which are plugged into the inner walls of the insertion holes 28. Through the plug-in setting of the insertion holes 28 and the insertion holes 28, the sealing ring 27 is more firmly installed at the contact position between the two flange frames 1, ensuring that the position of the sealing ring 27 is stable and not easily deflected, thereby ensuring its stable use.

[0031] Reference Figure 1 and Figure 2 as well as Figure 3As shown, this embodiment discloses that the surface of the bolt 25 is fixedly connected with a knob 26, and the surface of the knob 26 is provided with a plurality of anti-slip protrusions. Through the setting of the knob 26, the bolt 25 is more convenient and quick when used, so that the first card frame 21 and the second card frame 22 can be more conveniently installed at the contact position between the two flange frames 1, thereby improving the convenience of use. Reinforcement grooves 211 are respectively provided on both sides of the surfaces of the first card frame 21 and the second card frame 22, and a reinforcement plate 210 is inserted through the surface of the bolt 25. The two ends of the reinforcement plate 210 are respectively inserted into the inner walls of the reinforcement groove 211 on the surfaces of the first card frame 21 and the second card frame 22. Through the setting of the reinforcement plate 210 and the reinforcement groove 211, a further connection relationship is formed between the first card frame 21 and the second card frame 22, so that the connection and fixation of the flange frame 1 are more stable and not easy to loosen.

[0032] Reference Figure 1 and Figure 4 As shown, this embodiment discloses that the reinforcement device 3 includes two assembly plates 31, and the two assembly plates 31 are fixedly connected to the surfaces of the two flange frames 1 respectively. The surfaces of the two assembly plates 31 are penetrated and inserted with screws 32, and the arc surfaces of the screws 32 are threadedly connected with nuts 33, and the nuts 33 abut against the surfaces of the assembly plates 31. After the two flange frames 1 are connected and fixed using the connecting device 2, the two screws 32 are respectively inserted into the assembly plates 31 on both sides of the surfaces of the two flange frames 1, and then the nuts 33 are threadedly connected to the screws 32 until the nuts 33 contact and squeeze on the surfaces of the assembly plates 31 to fix the positions of the screws 32. At this time, when the flange frames 1 are installed with the help of the connecting device 2, the two flange frames 1 can be made more stable, and the flange frames 1 can be pre-fixed, thereby facilitating the use of the connecting device 2 and improving the convenience of using the connecting device 2.

[0033] Reference Figure 1 and Figure 4 As shown, the present embodiment discloses that a reinforcement ring 34 is sleeved on the arc surface of the screw rod 32, and the reinforcement ring 34 is a metal ring. Through the setting of the reinforcement ring 34, the nut 33 is more firmly mounted on the screw rod 32, and can be installed more snugly, and is not prone to rotation and loosening, thereby making the two flange frames 1 more stable. The surfaces of the first clamping frame 21 and the second clamping frame 22 are respectively fixedly connected with reinforcement plates 35 on the sides away from each other, and the screw rod 32 is plugged into the surface of the reinforcement plate 35. Through the setting of the reinforcement plate 35, the screw rod 32 and the connecting device 2 form a certain connectivity, thereby making the installation between the two flange frames 1 more stable and firm, and improving the use effect of the reinforcement device 3.

[0034] Working principle: When the air duct common plate flange is installed and used, first install the sealing ring 27 into the groove on the surface of the flange frame 1, then squeeze the two flange frames 1 into contact with each other, and then clamp the first clamping frame 21 and the second clamping frame 22 on both sides of the surface of the contact position of the two flange frames 1 respectively. At this time, the connecting plates 23 on both sides of the surface of the first clamping frame 21 will be inserted into the connecting grooves 24 on both sides of the surface of the second clamping frame 22, and the two reinforcement plates 210 are respectively installed in the reinforcement grooves 211, and then the two bolts 25 are respectively inserted into the surfaces of the connecting plates 23 on both sides until the bolts 25 are threadedly connected with the inner walls of the connecting grooves 24, so that the positions of the first clamping frame 21 and the second clamping frame 22 are stable. At this time, when the air duct common plate flange is in use, it is more convenient to maintain and replace the damaged and abnormal positions, which reduces the difficulty of maintenance work, improves the work efficiency of maintenance personnel, and also improves the usability and convenience of the air duct common plate flange.

[0035] After the two flange frames 1 are connected and fixed using the connecting device 2, the two screw rods 32 are respectively inserted into the assembly plates 31 on both sides of the surfaces of the two flange frames 1, and then the nuts 33 are threadedly connected to the screw rods 32 until the nuts 33 contact and squeeze the surface of the assembly plates 31 to fix the position of the screw rods 32. At this time, when the flange frames 1 are installed with the help of the connecting device 2, the two flange frames 1 can be made more stable, and the flange frames 1 can be pre-fixed, thereby facilitating the use of the connecting device 2 and improving the convenience of using the connecting device 2.

Claims

1. A duct common plate flange using a sealing gasket, comprising two flange frames (1) and a connecting device (2), characterized in that: The two flange frames (1) are connected and fixed to each other by means of a connecting device (2), wherein the connecting device (2) comprises a first clamping frame (21) and a second clamping frame (22), wherein the two flange frames (1) are in contact with each other, wherein the first clamping frame (21) and the second clamping frame (22) are respectively clamped on surfaces of the two flange frames (1) close to each other, wherein connecting plates (23) are respectively fixedly connected to both sides of the surface of the first clamping frame (21), wherein connecting grooves (24) are respectively provided on both sides of the surface of the second clamping frame (22), wherein the connecting plates (23) are plugged into the inner wall of the connecting groove (24), wherein bolts (25) are inserted through the surface of the connecting plates (23), and wherein the bolts (25) are threadedly connected to the inner wall of the connecting groove (24).

2. The air duct common plate flange using a sealing gasket according to claim 1, characterized in that: Grooves are respectively provided on the sides of the surfaces of the two flange frames (1) that are close to each other, and a sealing ring (27) is clamped on the inner wall of the groove, and the sealing ring (27) is a rubber ring.

3. The air duct common plate flange using a sealing gasket according to claim 2, characterized in that: Insertion holes (28) are respectively provided on both sides of the surface of the sealing ring (27); insert blocks (29) are respectively fixedly connected to the inner walls of the first clamping frame (21) and the second clamping frame (22) on the sides close to each other; the insert blocks (29) are plugged into the inner walls of the insertion holes (28).

4. The air duct common plate flange using a sealing gasket according to claim 1, characterized in that: A knob (26) is fixedly connected to the surface of the bolt (25), and a plurality of anti-slip protrusions are provided on the surface of the knob (26).

5. The air duct common plate flange using a sealing gasket according to claim 1, characterized in that: Reinforcement grooves (211) are respectively provided on both sides of the surfaces of the first clamping frame (21) and the second clamping frame (22); a reinforcement plate (210) is inserted through the surface of the bolt (25); and two ends of the reinforcement plate (210) are respectively inserted into the inner walls of the reinforcement grooves (211) on the surfaces of the first clamping frame (21) and the second clamping frame (22).

6. The air duct common plate flange using a sealing gasket according to claim 1, characterized in that: The surfaces of the two flange frames (1) are respectively provided with reinforcement devices (3), and the reinforcement devices (3) include two assembly plates (31). The two assembly plates (31) are respectively fixedly connected to the surfaces of the two flange frames (1), and screw rods (32) are inserted through the surfaces of the two assembly plates (31). Nuts (33) are threadedly connected on the arc surfaces of the screw rods (32), and the nuts (33) are in contact with the surfaces of the assembly plates (31).

7. The air duct common plate flange using a sealing gasket according to claim 6, characterized in that: A reinforcement ring (34) is sleeved on the arc surface of the screw rod (32), and the reinforcement ring (34) is a metal ring.

8. The air duct common plate flange using a sealing gasket according to claim 6, characterized in that: A reinforcing plate (35) is fixedly connected to the surfaces of the first clamping frame (21) and the second clamping frame (22) at the sides away from each other, respectively, and the screw rod (32) is plugged into the surface of the reinforcing plate (35).

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