Common-plate flange air pipe convenient to mount and mounting method

Abstract

The invention discloses a common-plate flange air pipe convenient to install and an installation method, and relates to the technical field of ventilation pipelines, the common-plate flange air pipe convenient to install comprises an air pipe body, a first connecting steel plate and a second connecting steel plate, and the first connecting steel plate and the second connecting steel plate are fixedly arranged at the ends of the two sides of the air pipe body correspondingly; a plurality of inserting blocks are fixedly arranged on the mounting frame, a plurality of inserting grooves are formed in the second connecting steel plates, the inserting grooves correspond to the inserting blocks in a one-to-one mode and are used for allowing the corresponding inserting blocks to be inserted, and limiting assemblies used for preventing the inserting blocks from being separated from the inserting grooves are arranged in the inserting grooves. According to the air duct, the air duct body can be quickly mounted and dismounted.

Description

Technical Field

[0001] The present application relates to the technical field of ventilation ducts, and in particular to an easy-to-install common plate flange air duct and an installation method. Background Art

[0002] As a new type of air duct, the common plate flange air duct plays an important role in the modern air delivery system. It simplifies the manufacturing process of the air duct, greatly improves the production efficiency, reduces the material cost, reduces the project investment and operating costs, and is therefore widely welcomed by construction companies. With the development of science and technology, new types of air ducts and manufacturing processes are changing with each passing day. Among them, the common plate flange air duct has been widely used in the industry due to its unique advantages. However, the needs of air duct installation and maintenance put forward higher requirements on the air duct structure design and assembly methods to improve the overall operating efficiency.

[0003] At present, in order to achieve the connection between air ducts, bolts are usually used to fix the flange edges of two sets of air ducts together. In addition, there are traditional connection methods such as welding and riveting. Bolt connection and welding methods can ensure the tightness and stability of the connection parts, while riveting has strong mechanical strength and is not easy to loosen. The above methods are common and economical and practical process means, and are widely used in various engineering projects.

[0004] However, there is a problem of low efficiency when using the above conventional means to fix the air duct. When using bolts to connect, it takes a long time to orderly pass multiple sets of bolts through multiple holes on the flange to complete the fixed connection between the air ducts; and when performing maintenance, it is also necessary to remove multiple sets of bolts, resulting in a long maintenance time. Although welding and riveting methods are stable, the complex assembly method also affects the installation efficiency, which is not conducive to the operator to quickly perform maintenance operations. Summary of the invention

[0005] In order to solve the problems existing in the prior art, the present application provides a common plate flange air duct which is easy to install and an installation method.

[0006] In the first aspect, the present application provides a common plate flange air duct that is easy to install, which adopts the following technical solution: A common plate flange air duct that is easy to install includes an air duct body, and a first connecting steel plate and a second connecting steel plate fixedly arranged at the two side ends of the air duct body, wherein a mounting frame is slidably arranged on the first connecting steel plate, and a plurality of plug-in blocks are fixedly arranged on the mounting frame, and a plurality of plug-in slots are provided on each of the second connecting steel plates, wherein the plug-in slots correspond to the plug-in blocks one by one and are used for inserting the corresponding plug-in blocks, and a limiting component is provided in the plug-in slot for preventing the plug-in blocks from detaching from the plug-in slot.

[0007] Optionally, a plurality of mounting holes are opened on the first connecting steel plate along the direction of the first connecting steel plate, the mounting holes correspond to the plug blocks one by one, and the plug blocks are slidably inserted into the corresponding mounting holes.

[0008] Optionally, a first elastic member for driving the mounting frame to slide in a direction away from the first connecting steel plate is provided on the first connecting steel plate.

[0009] Optionally, the limiting assembly includes a card block, a shift block and a second elastic member, the side wall of the plug-in slot is provided with a receiving groove, the card block is slidably arranged in the receiving groove, the second connecting steel plate is provided with a long groove connected to the receiving groove along the sliding direction of the card block, the shift block is slidably arranged in the long groove and is fixedly connected to the card block, the side wall of the plug-in block is provided with a card slot for inserting the card block, and the second elastic member is used to drive the card block to move away from the inside of the receiving groove.

[0010] Optionally, a guiding inclined surface is provided on the card block, and the guiding inclined surface is used to abut against the inserting block and guide the card block to move into the accommodating groove.

[0011] Optionally, an annular groove is opened on the first connecting steel plate along the circumference of the air duct body, a sealing ring is slidably arranged in the annular groove along the length direction of the air duct body, a sealing gasket is fixedly arranged at one end of the sealing ring away from the first connecting steel plate, and a driving part for driving the sealing ring to slide is arranged on the first connecting steel plate.

[0012] Optionally, the driving part includes a transmission rod, and a through hole connected to the annular groove is opened on the first connecting steel plate. The transmission rod is slidably inserted into the through hole and fixedly connected to the sealing ring, and the mounting frame is used to abut the transmission rod and push the sealing ring to move.

[0013] Optionally, a third elastic member for driving the sealing ring to move into the annular groove is provided on the first connecting steel plate.

[0014] Optionally, a corrugated sleeve is provided on the first connecting steel plate, the corrugated sleeve is connected to the air duct body and the sealing ring respectively, and two ends of the corrugated sleeve are fixedly connected to the first connecting steel plate and the sealing ring respectively.

[0015] In a second aspect, the present application provides an installation method for a common plate flange air duct that is easy to install, using the following technical solution: A method for installing a common plate flange air duct that is easy to install comprises the following steps: S1. docking two sections of the air duct body, and during docking, docking the first connecting steel plate of one section of the air duct body with the second connecting steel plate of the other section of the air duct body; S2, by driving the mounting frame to slide, each plug block is inserted into the corresponding plug-in slot on the second connecting steel plate on the other section of the air duct body; S3. After the plug-in block is inserted into the plug-in slot, the card blocks in each plug-in slot are inserted into the card slot on the corresponding plug-in block, and the card blocks are limited by the second elastic member to prevent the plug-in block from detaching from the plug-in slot, thereby completing the docking installation of the two sections of the air duct body.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. When installing the air duct body, the two sections of the air duct body are butt-jointed, and when butt-jointing, the first connecting steel plate of one section of the air duct body is butt-jointed with the second connecting steel plate of the other section of the air duct body, and then, the mounting frame is driven to slide, so that each plug-in block is inserted into the corresponding plug-in groove on the second connecting steel plate on the other section of the air duct body, and the plug-in block is prevented from being separated from the plug-in groove by the limiting component, so that the butt-jointed installation of the two sections of the air duct body can be completed; when the air duct body needs to be disassembled, it is only necessary to loosen the limiting component and slide the mounting frame to separate each plug-in block from the plug-in groove on the second connecting steel plate on the adjacent air duct body, so that the air duct body can be disassembled, thereby realizing the rapid installation and disassembly of the air duct body.

[0017] 2. In the present application, a sealing ring is slidably set on the first connecting steel plate. When the air duct body is docked and installed, a sliding mounting frame is used, the mounting frame abuts against the transmission rod and pushes the sealing ring to slide, so that the sealing gasket on the sealing ring abuts against the second connecting steel plate on the adjacent air duct body, thereby reducing air leakage and improving the sealing at the connection position of the adjacent air duct bodies.

[0018] 3. When the plug-in block is inserted into the plug-in slot, it abuts against the guiding bevel on the card block, and the guiding bevel guides the card block to move into the accommodating slot, so that the plug-in block can be smoothly inserted into the plug-in slot. When the plug-in block is fully inserted into the plug-in slot, the card blocks in each plug-in slot are directly opposite to the card slot on the corresponding plug-in block. At this time, the card block is inserted into the card slot on the plug-in block under the elastic force of the second elastic member, so that the plug-in block can be limited, thereby improving the convenience of installing the air duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 yes Figure 1 A magnified view of part A; Figure 3 is a structural cross-sectional view of an embodiment of the present application; Figure 4 yes Figure 3 Magnified view of section B.

[0020] Explanation of the reference numerals: 1. duct body; 2. first connecting steel plate; 21. guide rod; 211. limit block; 22. first elastic member; 23. mounting hole; 24. annular groove; 25. sealing ring; 251. sealing gasket; 26. transmission rod; 261. fixing block; 27. through hole; 28. third elastic member; 29. ​​corrugated sleeve; 3. second connecting steel plate; 31. plug-in groove; 32. clamping block; 33. shifting block; 34. second elastic member; 35. accommodating groove; 36. long groove; 4. mounting frame; 41. plug-in block; 411. clamping groove. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application discloses a common plate flange air duct that is easy to install. Figure 1 , including a duct body 1, and a first connecting steel plate 2 and a second connecting steel plate 3 respectively fixedly arranged at the two side ends of the duct body 1, a mounting frame 4 is slidably arranged on the first connecting steel plate 2, and the mounting frame 4 is slidably sleeved on the duct body 1 and is located on a side of the first connecting steel plate 2 close to the second connecting steel plate 3.

[0023] Reference Figure 2 A plurality of guide rods 21 are fixedly provided on the first connecting steel plate 2, the length direction of each guide rod 21 is perpendicular to the first connecting steel plate 2, and each guide rod 21 is slidably penetrated on the mounting frame 4, and a limit block 211 is fixedly provided at the end of each guide rod 21 away from the first connecting steel plate 2. A first elastic member 22 for driving the mounting frame 4 to slide away from the first connecting steel plate 2 is provided on the first connecting steel plate 2, and the first elastic member 22 includes a first compression spring. The first compression spring is sleeved on each guide rod 21, and the two ends of the first compression spring are respectively abutted against the first connecting steel plate 2 and the mounting frame 4.

[0024] Reference Figure 1 , 3 A plurality of plug blocks 41 are fixedly arranged on the mounting frame 4, a plurality of mounting holes 23 are opened on the first connecting steel plate 2 in a direction perpendicular to the first connecting steel plate 2, the mounting holes 23 correspond one-to-one to the plug blocks 41, and the plug blocks 41 are slidably passed through the corresponding mounting holes 23, a plurality of plug-in slots 31 are opened on the second connecting steel plate 3, the plug-in slots 31 correspond one-to-one to the plug blocks 41 and are used for inserting the corresponding plug blocks 41, in the embodiment of the present application, two plug blocks 41 are set, and in other application embodiments, any number of plug blocks 41 can be set, and not less than one.

[0025] Reference Figure 3 , 4, each plug-in slot 31 is provided with a limit assembly for preventing the plug-in block 41 from detaching from the plug-in slot 31, the limit assembly includes a card block 32, a shift block 33 and a second elastic member 34, a side wall of the plug-in slot 31 is provided with a receiving slot 35, the card block 32 is slidably arranged in the receiving slot 35, a long groove 36 connected to the receiving slot 35 is provided on the second connecting steel plate 3 along the sliding direction of the card block 32, the shift block 33 is slidably arranged in the long groove 36 and is fixedly connected to the card block 32, a card slot 411 for inserting the card block 32 is provided on the side wall of the plug-in block 41, and the second elastic member 34 includes a second compression spring, the second compression spring is arranged in the receiving slot 35, one end of the second compression spring abuts against the bottom wall of the receiving slot 35, and the other end of the second compression spring abuts against the card block 32.

[0026] Reference Figure 4 A guiding slope is provided on the card block 32. When the plug block 41 is inserted into the plug-in slot 31, it abuts against the guiding slope on the card block 32 and guides the card block 32 to move into the accommodating slot 35 through the guiding slope, so that the plug block 41 can be smoothly inserted into the plug-in slot 31. When the plug block 41 is fully inserted into the plug-in slot 31, the card block 32 in each plug-in slot 31 is directly opposite to the card slot 411 on the corresponding plug block 41. At this time, the card block 32 is inserted into the card slot 411 on the plug block 41 under the elastic force of the second compression spring, so that the plug block 41 can be limited.

[0027] Reference Figure 4 An annular groove 24 is provided on the end of the first connecting steel plate 2 away from the mounting frame 4 along the circumference of the duct body 1. A sealing ring 25 is slidably arranged in the annular groove 24 along the length direction of the duct body 1. The sealing ring 25 is adapted to the annular groove 24. A sealing gasket 251 is fixedly arranged on the end of the sealing ring 25 away from the first connecting steel plate 2.

[0028] Reference Figure 4 A driving part for driving the sealing ring 25 to slide is provided on the first connecting steel plate 2, and the driving part includes a transmission rod 26. A plurality of through holes 27 connected to the annular groove 24 are opened on the first connecting steel plate 2, and a transmission rod 26 is slidably penetrated in each through hole 27, and each transmission rod 26 is fixedly connected to the sealing ring 25. When the air duct body 1 is docked and installed, the mounting frame 4 is slidably connected to the transmission rod 26, and the sealing ring 25 is pushed to slide, so that the sealing gasket 251 on the sealing ring 25 is pressed against the second connecting steel plate 3 on the adjacent air duct body 1, thereby reducing air leakage and improving the sealing performance at the connection position of the adjacent air duct bodies 1.

[0029] Reference Figure 4A third elastic member 28 is provided on the first connecting steel plate 2 for driving the sealing ring 25 to move into the annular groove 24, and the second elastic member 34 includes a third compression spring. A fixing block 261 is fixedly provided on each transmission rod 26, and a third compression spring is sleeved on each transmission rod 26. The two ends of the third compression spring are respectively abutted against the first connecting steel plate 2 and the fixing block 261; when the mounting frame 4 is separated from the transmission rod 26, the sealing ring 25 is received in the annular groove 24 under the elastic force of the third compression spring.

[0030] Reference Figure 4 A corrugated sleeve 29 is provided on the first connecting steel plate 2, and the corrugated sleeve 29 is respectively connected to the air duct body 1 and the sealing ring 25, and the two ends of the corrugated sleeve 29 are respectively fixedly connected to the first connecting steel plate 2 and the sealing ring 25, so that the sealing performance at the connecting position of the adjacent air duct bodies 1 is further improved by the corrugated sleeve 29.

[0031] The implementation principle of the common plate flange air duct that is easy to install in the embodiment of the present application is as follows: when installing the air duct body 1, the two sections of the air duct body 1 are connected, and when connecting, the first connecting steel plate 2 of one section of the air duct body 1 is connected with the second connecting steel plate 3 of the other section of the air duct body 1, and then, the mounting frame 4 is driven to slide, so that each plug block 41 is inserted into the corresponding plug groove 31 on the second connecting steel plate 3 on the other section of the air duct body 1. When the plug block 41 is inserted into the plug groove 31, it abuts against the guiding inclined surface on the card block 32, and the card block 32 is guided by the guiding inclined surface to move toward the inside of the accommodating groove 35, so that the plug block 41 can be smoothly inserted into the plug groove 31. When the plug block 41 is fully inserted into the plug groove 31, When the duct body 1 is disassembled, the blocks 32 in each plug-in slot 31 are aligned with the slots 411 on the corresponding plug-in blocks 41. At this time, the blocks 32 are inserted into the slots 411 on the plug-in blocks 41 under the elastic force of the second elastic member 34, preventing the plug-in blocks 41 from being disengaged from the plug-in slots 31, thereby completing the docking installation of the two sections of the duct body 1. When the duct body 1 needs to be disassembled, it is only necessary to move the blocks 33 of each limiting assembly to disengage the blocks 32 from the slots 411 on the plug-in blocks 41, and slide the mounting frame 4 to disengage each plug-in block 41 from the plug-in slots 31 on the second connecting steel plates 3 on the adjacent duct bodies 1, thereby completing the disassembly of the duct body 1, thereby realizing the rapid installation and disassembly of the duct body 1.

[0032] The embodiment of the present application also discloses a method for installing a common plate flange air duct that is easy to install, comprising the following steps: S1, butt-join two sections of the air duct body 1, and when butt-joining, butt-join the first connecting steel plate 2 of one section of the air duct body 1 with the second connecting steel plate 3 of the other section of the air duct body 1; S2, by driving the mounting frame 4 to slide, each plug block 41 is inserted into the corresponding plug slot 31 on the second connecting steel plate 3 on the other section of the air duct body 1; S3. When the plug block 41 is inserted into the plug slot 31, it abuts against the guiding slope on the card block 32, and is guided by the guiding slope to move the card block 32 toward the inside of the accommodating groove 35, so that the plug block 41 can be smoothly inserted into the plug slot 31. When the plug block 41 is fully inserted into the plug slot 31, the card block 32 in each plug slot 31 is directly opposite to the card slot 411 on the corresponding plug block 41. At this time, the card block 32 is inserted into the card slot 411 on the plug block 41 under the elastic force of the second compression spring, preventing the plug block 41 from detaching from the plug slot 31, thereby completing the docking installation of the two sections of the air duct body 1.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A common plate flange air duct that is easy to install, characterized in that: The invention comprises an air duct body (1), and a first connecting steel plate (2) and a second connecting steel plate (3) respectively fixedly arranged at the two side ends of the air duct body (1); a mounting frame (4) is slidably arranged on the first connecting steel plate (2); a plurality of plug blocks (41) are fixedly arranged on the mounting frame (4); a plurality of plug slots (31) are respectively provided on the second connecting steel plates (3); the plug slots (31) correspond to the plug blocks (41) one by one and are used for inserting the corresponding plug blocks (41); a limiting component is provided in the plug slot (31) for preventing the plug blocks (41) from being separated from the plug slot (31).

2. The common plate flange air duct that is easy to install according to claim 1 is characterized in that: A plurality of mounting holes (23) are provided on the first connecting steel plate (2) along the direction of the first connecting steel plate (2), the mounting holes (23) correspond one-to-one to the insert blocks (41), and the insert blocks (41) are slidably inserted into the corresponding mounting holes (23).

3. The common plate flange air duct that is easy to install according to claim 1 is characterized in that: The first connecting steel plate (2) is provided with a first elastic member (22) for driving the mounting frame (4) to slide in a direction away from the first connecting steel plate (2).

4. The common plate flange air duct that is easy to install according to claim 1 is characterized in that: The limiting assembly comprises a clamping block (32), a shifting block (33) and a second elastic member (34); a side wall of the plug-in slot (31) is provided with a receiving slot (35); the clamping block (32) is slidably arranged in the receiving slot (35); a long slot (36) connected to the receiving slot (35) is provided on the second connecting steel plate (3) along the sliding direction of the clamping block (32); the shifting block (33) is slidably arranged in the long slot (36) and is fixedly connected to the clamping block (32); a side wall of the plug-in block (41) is provided with a clamping slot (411) for inserting the clamping block (32); and the second elastic member (34) is used to drive the clamping block (32) to move away from the inside of the receiving slot (35).

5. The common plate flange air duct that is easy to install according to claim 4 is characterized in that: The clamping block (32) is provided with a guiding inclined surface, and the guiding inclined surface is used to abut against the inserting block (41) and guide the clamping block (32) to move into the accommodating groove (35).

6. The common plate flange air duct that is easy to install according to claim 1 is characterized in that: An annular groove (24) is provided on the first connecting steel plate (2) along the circumference of the air duct body (1), a sealing ring (25) is slidably arranged in the annular groove (24) along the length direction of the air duct body (1), a sealing gasket (251) is fixedly arranged at one end of the sealing ring (25) away from the first connecting steel plate (2), and a driving part for driving the sealing ring (25) to slide is provided on the first connecting steel plate (2).

7. The common plate flange air duct that is easy to install according to claim 6 is characterized by: The driving part comprises a transmission rod (26); a through hole (27) communicating with the annular groove (24) is formed on the first connecting steel plate (2); the transmission rod (26) is slidably inserted into the through hole (27) and is fixedly connected to the sealing ring (25); and the mounting frame (4) is used to abut against the transmission rod (26) and push the sealing ring (25) to move.

8. The common plate flange air duct that is easy to install according to claim 7 is characterized in that: The first connecting steel plate (2) is provided with a third elastic member (28) for driving the sealing ring (25) to move toward the inside of the annular groove (24).

9. The common plate flange air duct that is easy to install according to claim 6, characterized in that: A corrugated sleeve (29) is provided on the first connecting steel plate (2), and the corrugated sleeve (29) is respectively connected to the air duct body (1) and the sealing ring (25), and the two ends of the corrugated sleeve (29) are respectively fixedly connected to the first connecting steel plate (2) and the sealing ring (25).

10. A method for installing a common plate flange air duct that is easy to install based on claim 5, characterized in that: The following steps are involved: S1, butting two sections of the air duct body (1), and during the butting, butting a first connecting steel plate (2) of one section of the air duct body (1) with a second connecting steel plate (3) of the other section of the air duct body (1); S2, driving the mounting frame (4) to slide, so that each plug block (41) is inserted into a corresponding plug slot (31) on the second connecting steel plate (3) on the other section of the air duct body (1); S3. After the plug block (41) is inserted into the plug slot (31), the clamping blocks (32) in each plug slot (31) are inserted into the clamping slot (411) on the corresponding plug block (41), and the clamping blocks (32) are limited by the second elastic member (34) to prevent the plug block (41) from being separated from the plug slot (31), thereby completing the docking installation of the two sections of the air duct body (1).

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