Air connecting pipe convenient and fast to disassemble and used for boiler

Abstract

The utility model belongs to the technical field of air connecting pipes, and particularly relates to a boiler air connecting pipe convenient to disassemble, which comprises a boiler and a first fixing disc, the first fixing disc is fixedly connected onto an air inlet of the boiler, a plurality of slots are arranged on one side of the first fixing disc, and a second fixing disc is inserted into one side of the first fixing disc. The side, close to the first fixing disc, of the second fixing disc is fixedly connected with a plurality of first inserting blocks, the first inserting blocks are located in the inserting grooves correspondingly and matched with the inserting grooves in an inserted mode, and the side, away from the first fixing disc, of the second fixing disc is fixedly connected with an air connecting pipe body. The air connecting pipe for the boiler comprises a plurality of first inserting blocks, a plurality of inserting grooves are formed in the first inserting blocks, a plurality of first sliding grooves are formed in the first inserting blocks and communicated with the inserting grooves respectively, and second inserting blocks are connected into the first sliding grooves in a sliding mode. And a user cannot conveniently detach the air connecting pipe for the boiler from an air inlet of the boiler.

Description

Technical Field

[0001] The utility model belongs to the technical field of air pipe connection, and in particular relates to a conveniently disassembled air pipe connection for a boiler. Background Art

[0002] The main function of the boiler air nozzle is to introduce the required oxygen into the combustion chamber to assist the combustion reaction of the fuel. During the combustion process, if there is a lack of oxygen, the combustion will be restricted and the combustion efficiency of the fuel will be reduced. Therefore, the existence of the air nozzle is crucial to improving the thermal efficiency of the boiler and reducing exhaust emissions.

[0003] Traditional boiler air pipes are mostly fixed by flanges or welding, which results in that when the boiler air pipe is broken or blocked during long-term use, the user cannot easily remove the boiler air pipe from the boiler air inlet. In view of this, we propose a conveniently detachable boiler air pipe. Utility Model Content

[0004] The utility model aims to provide a conveniently disassembled air pipe for a boiler to solve the problems raised in the above-mentioned background technology.

[0005] In view of this, the utility model provides a conveniently disassembled boiler air pipe, comprising:

[0006] A boiler and a first fixed plate, wherein the first fixed plate is fixedly connected to the air inlet of the boiler, a plurality of slots are opened on one side of the first fixed plate, a second fixed plate is plugged into one side of the first fixed plate, a plurality of first plug-in blocks are fixedly connected to a side of the second fixed plate close to the first fixed plate, and the plurality of first plug-in blocks are respectively located in the plurality of slots and plugged into the plurality of slots, and an air pipe body is fixedly connected to a side of the second fixed plate away from the first fixed plate;

[0007] A plurality of first slide grooves, wherein the plurality of first slide grooves are respectively provided in the plurality of first plug blocks and are respectively connected with the plurality of slots, a second plug block is slidably connected in the first slide groove, and one end of the second plug block extends to the inner wall of the first slide groove and is plugged and matched with the first slide groove, the other end of the second plug block is fixedly connected with a tension spring fixed to the inner wall of the first slide groove, and an extrusion groove is provided on the second plug block;

[0008] A plurality of second slide grooves, wherein the plurality of second slide grooves are arranged in the second fixed plate and are respectively connected with the plurality of first slide grooves, wherein an extrusion rod is slidably connected in the second slide groove, and one end of the extrusion rod extends into the extrusion groove and is plugged and matched with the extrusion groove;

[0009] A driving assembly is located in the second fixed disk and is used to drive the multiple extrusion rods to move.

[0010] Based on the above structure, by setting the first fixed plate and the second fixed plate, it is ensured that the second fixed plate can be inserted into one side of the first fixed plate, by setting the slot and the first plug block, it is ensured that the first plug block can be inserted into the slot, by setting the first slide groove, the second plug block and the tension spring, it is ensured that the second plug block can be inserted into the inner wall of the slot along the first slide groove under the action of the elastic force of the tension spring, by setting the extrusion groove, the second slide groove and the extrusion rod, it is ensured that one end of the extrusion rod can be inserted into the extrusion groove along the second slide groove, and by setting the driving assembly, it is ensured that the user can drive multiple extrusion rods to move through the driving assembly, so that one ends of the multiple extrusion rods are respectively inserted into multiple extrusion grooves.

[0011] In the above technical solution, further, the driving component includes:

[0012] an annular groove, the annular groove is opened in the second fixed plate and communicated with the plurality of second slide grooves, a plurality of first gears are rotatably connected in the annular groove, one end of the first gear is fixedly connected to a threaded rod, and one end of the threaded rod passes through the extrusion rod and extends into the extrusion rod to be threadedly connected to the extrusion rod, a gear ring is meshed between the plurality of first gears, and the gear ring is located in the annular groove and rotatably connected to the annular groove;

[0013] A rotating groove, wherein the rotating groove is formed on the inner wall of the annular groove, wherein a second gear meshing with the gear ring is rotatably connected in the rotating groove, wherein a rotating rod is fixedly connected to the second gear, and one end of the rotating rod penetrates the inner wall of the rotating groove and extends to the outside to be rotatably connected to the second fixed disk;

[0014] The fixing assembly is located in the second fixing plate and is used to fix the rotating rod.

[0015] In this technical solution, it is ensured that the user can easily install the air pipe body on the air inlet of the boiler.

[0016] In the above technical solution, further, one end of the first gear is rotatably connected to the second sliding groove.

[0017] In this technical solution, it is ensured that one end of the first gear can rotate normally in the second sliding groove.

[0018] In the above technical solution, further, the fixing assembly includes:

[0019] The third slide groove is opened in the second fixed plate and communicated with the outside, an insertion rod is slidably connected in the third slide groove, and one end of the insertion rod passes through the rotating rod and extends into the rotating rod and is plugged into the rotating rod, and a spring fixed to the inner wall of the third slide groove is fixedly connected to the insertion rod.

[0020] In this technical solution, it is ensured that the rotating rod will not rotate due to external influences.

[0021] In the above technical solution, further, the insertion rod is in an "L" shape.

[0022] In this technical solution, it is ensured that the user can drive one end of the insertion rod to move through the other end of the insertion rod.

[0023] In the above technical solution, further, one end of the extrusion rod is arranged to be inclined.

[0024] In this technical solution, it is ensured that one end of the extrusion rod can extrude the extrusion groove.

[0025] The beneficial effects of the utility model are:

[0026] 1. The conveniently detachable boiler air pipe ensures that the second fixed plate can be inserted into one side of the first fixed plate through the first fixed plate, and ensures that the first plug block can be inserted into the slot through the slot and the first slide groove, and ensures that the second plug block can be inserted into the inner wall of the slot along the first slide groove under the elastic force of the tension spring through the first slide groove, and ensures that one end of the extrusion rod can be inserted into the extrusion groove along the second slide groove through the extrusion groove, and ensures that the user can drive multiple extrusion rods to move through the driving assembly through the driving assembly, so that one end of the multiple extrusion rods are respectively inserted into multiple extrusion grooves, thereby solving the problem that the user cannot conveniently remove the boiler air pipe from the air inlet of the boiler when the boiler air pipe is broken or blocked during long-term use.

[0027] 2. The conveniently disassembled boiler air pipe has a fixing component which ensures that the user can fix the rotating rod through the fixing component to prevent the rotating rod from being affected by the outside world. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 It is a schematic diagram of a partial explosion structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the internal structure of the first plug-in block of the utility model;

[0031] Figure 4 This is one of the schematic diagrams of the internal structure of the second fixed disk of the utility model;

[0032] Figure 5 This is the second schematic diagram of the internal structure of the second fixed plate of the utility model;

[0033] Figure 6 It is a schematic diagram of the internal structure of the third chute of the utility model.

[0034] The symbols in the figure are:

[0035] 1. Boiler; 2. First fixed plate; 3. Slot; 4. Second fixed plate; 5. First plug-in block; 6. First slide slot; 7. Second plug-in block; 8. Tension spring; 9. Extrusion slot; 10. Second slide slot; 11. Extrusion rod; 12. Annular groove; 13. First gear; 14. Threaded rod; 15. Gear ring; 16. Rotation slot; 17. Second gear; 18. Rotation rod; 19. Third slide slot; 20. Plug-in rod; 21. Spring; 22. Air pipe body. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0037] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0039] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0040] It should be noted that, in the present application, the terms "comprise", "include" or any other variant 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. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0041] Embodiment 1:

[0042] See also Figure 1 - Figure 6 As shown, this embodiment provides a conveniently disassembled boiler air pipe, comprising:

[0043] A boiler 1 and a first fixed plate 2, the first fixed plate 2 is fixedly connected to the air inlet of the boiler 1, a plurality of slots 3 are opened on one side of the first fixed plate 2, a second fixed plate 4 is plugged into one side of the first fixed plate 2, a plurality of first plug-in blocks 5 are fixedly connected to a side of the second fixed plate 4 close to the first fixed plate 2, and the plurality of first plug-in blocks 5 are respectively located in the plurality of slots 3 and plugged into the plurality of slots 3, and an air pipe body 22 is fixedly connected to a side of the second fixed plate 4 away from the first fixed plate 2;

[0044] A plurality of first slide grooves 6, the plurality of first slide grooves 6 are respectively provided in the plurality of first plug blocks 5 and are respectively connected with the plurality of slots 3, a second plug block 7 is slidably connected in the first slide groove 6, and one end of the second plug block 7 extends to the inner wall of the first slide groove 6 and is plugged and matched with the first slide groove 6, the other end of the second plug block 7 is fixedly connected with a tension spring 8 fixed to the inner wall of the first slide groove 6, and an extrusion groove 9 is provided on the second plug block 7;

[0045] A plurality of second slide grooves 10 are provided in the second fixed plate 4 and are respectively connected with the plurality of first slide grooves 6. An extrusion rod 11 is slidably connected in the second slide groove 10, and one end of the extrusion rod 11 extends into the extrusion groove 9 and is plugged and matched with the extrusion groove 9;

[0046] The driving assembly is located in the second fixed plate 4 and is used to drive the multiple extrusion rods 11 to move.

[0047] Embodiment 2:

[0048] This embodiment provides a conveniently disassembled boiler air pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0049] An annular groove 12, the annular groove 12 is opened in the second fixed plate 4 and communicated with the plurality of second slide grooves 10, a plurality of first gears 13 are rotatably connected in the annular groove 12, a threaded rod 14 is fixedly connected to one end of the first gear 13, and one end of the threaded rod 14 penetrates the extrusion rod 11 and extends into the extrusion rod 11 and is threadedly connected to the extrusion rod 11, a gear ring 15 is meshed between the plurality of first gears 13, and the gear ring 15 is located in the annular groove 12 and is rotatably connected to the annular groove 12;

[0050] A rotating groove 16 is provided on the inner wall of the annular groove 12. A second gear 17 meshing with the gear ring 15 is rotatably connected in the rotating groove 16. A rotating rod 18 is fixedly connected to the second gear 17. One end of the rotating rod 18 penetrates the inner wall of the rotating groove 16 and extends to the outside to be rotatably connected to the second fixed disk 4.

[0051] The fixing assembly is located in the second fixing plate 4 and is used to fix the rotating rod 18 .

[0052] The user rotates the rotating rod 18 by hand, so that the rotating rod 18 drives the second gear 17 to rotate in the rotating groove 16, so that the second gear 17 drives the gear ring 15 to rotate in the annular groove 12. When the gear ring 15 rotates, the gear ring 15 drives the plurality of first gears 13 to rotate in the annular groove 12, so that the plurality of first gears 13 respectively drive the plurality of threaded rods 14 to rotate. When the plurality of threaded rods 14 rotate, the plurality of extrusion rods 11 are respectively moved by the threads of the plurality of threaded rods 14, so that one end of the plurality of extrusion rods 11 is respectively From the multiple extrusion grooves 9 into the multiple second slide grooves 10, at this time, the fixation of the multiple second plug blocks 7 is released. When the fixation of the multiple second plug blocks 7 is released, one end of the multiple second plug blocks 7 will be respectively subjected to the pulling force of the multiple tension springs 8, and respectively enter the multiple first slide grooves 6 from the inner walls of the multiple slots 3. At this time, the fixation of the second fixed disk 4 is released, and then the user can replace the air pipe body 22. After the replacement is completed, the user manually inserts the second fixed disk 4 into one side of the first fixed disk 2. When the second When the fixing plate 4 is inserted into one side of the first fixing plate 2, the plurality of first plug blocks 5 are respectively inserted into the plurality of slots 3. Then, the user manually rotates the rotating rod 18 in the opposite direction, so that the rotating rod 18 drives the second gear 17 to rotate in the opposite direction in the rotating groove 16, so that the second gear 17 drives the gear ring 15 to rotate in the opposite direction in the annular groove 12. When the gear ring 15 rotates in the opposite direction, the gear ring 15 drives the plurality of first gears 13 to rotate in the opposite direction in the annular groove 12, so that the plurality of first gears 13 respectively drive the plurality of threaded rods 14 to rotate in the opposite direction. When the plurality of threaded rods 14 rotate in the opposite direction, When the rod 14 rotates in the opposite direction, the multiple extrusion rods 11 will be respectively moved in the opposite direction by the action of the threads of the multiple threaded rods 14, so that one end of the multiple extrusion rods 11 is respectively inserted into the multiple extrusion grooves 9 from the multiple second slide grooves 10, so that one end of the multiple extrusion rods 11 squeezes the multiple extrusion grooves 9 respectively, and one end of the multiple second plug blocks 7 is respectively inserted into the inner walls of the multiple slots 3 from the multiple first slide grooves 6, and the multiple tension springs 8 are respectively stretched, to ensure that the user can easily install the air pipe body 22 on the air inlet of the boiler 1.

[0053] Embodiment 3:

[0054] This embodiment provides a conveniently disassembled air pipe for a boiler. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the first gear 13 is rotatably connected to the second slide groove 10.

[0055] Here, it is ensured that one end of the first gear 13 can rotate normally in the second sliding groove 10 .

[0056] Embodiment 4:

[0057] This embodiment provides a conveniently disassembled boiler air pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the fixing components include:

[0058] The third slide groove 19 is opened in the second fixed disk 4 and communicated with the outside. An insertion rod 20 is slidably connected in the third slide groove 19, and one end of the insertion rod 20 passes through the rotating rod 18 and extends into the rotating rod 18 and is plugged into the rotating rod 18. A spring 21 fixed to the inner wall of the third slide groove 19 is fixedly connected to the insertion rod 20.

[0059] Among them, when the user needs to fix the rotating rod 18, the user slides the insertion rod 20 with his hand, allowing one end of the insertion rod 20 to enter the third sliding groove 19 from the rotating rod 18 and compress the spring 21. At this time, the fixation of the rotating rod 18 is released. When the user needs to release the fixation of the rotating rod 18, the user releases the hand pulling the insertion rod 20, allowing one end of the insertion rod 20 to be inserted into the rotating rod 18 under the action of the elastic force of the spring 21, thereby fixing the rotating rod 18 and ensuring that the rotating rod 18 will not rotate due to external influences.

[0060] Embodiment 5:

[0061] This embodiment provides a conveniently disassembled air pipe for a boiler. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: the insertion rod 20 is in an "L" shape.

[0062] Here, it is ensured that the user can drive one end of the insertion rod 20 to move through the other end of the insertion rod 20.

[0063] Embodiment 6:

[0064] This embodiment provides a conveniently disassembled air pipe for a boiler. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: one end of the extrusion rod 11 is inclined.

[0065] Here, it is ensured that one end of the extrusion rod 11 can extrude the extrusion groove 9 .

[0066] When the air pipe body 22 is broken and clogged during long-term use, the user slides the insertion rod 20 by hand, allowing one end of the insertion rod 20 to enter the third sliding groove 19 from the rotating rod 18 and compress the spring 21. At this time, the fixation of the rotating rod 18 is released, and then the user rotates the rotating rod 18 by hand to allow the rotating rod 18 to drive the second gear 17 to rotate in the rotating groove 16, so that the second gear 17 drives the gear ring 15 to rotate in the annular groove 12. When the gear ring 15 rotates, the gear ring 15 will drive the multiple first gears 13 to rotate in the annular groove 12, so that the multiple first gears 13 respectively drive the multiple threaded rods 14 to rotate. When the multiple threaded rods 1 When the plurality of second plug-in blocks 7 are rotated, the plurality of extrusion rods 11 are respectively moved by the action of the threads of the plurality of threaded rods 14, so that one end of the plurality of extrusion rods 11 respectively enters into the plurality of second slide grooves 10 from the plurality of extrusion grooves 9. At this time, the fixation of the plurality of second plug-in blocks 7 is released. When the fixation of the plurality of second plug-in blocks 7 is released, one end of the plurality of second plug-in blocks 7 is respectively acted upon by the tension of the plurality of tension springs 8, and respectively enters into the plurality of first slide grooves 6 from the inner walls of the plurality of slots 3. At this time, the fixation of the second fixing plate 4 is released. Then the user can replace the air pipe body 22. After the replacement is completed, the user manually inserts the second fixing plate 4 into the first fixing plate 2 When the second fixing plate 4 is inserted into one side of the first fixing plate 2, the plurality of first plug blocks 5 are respectively inserted into the plurality of slots 3, and then the user manually rotates the rotating rod 18 in the opposite direction, so that the rotating rod 18 drives the second gear 17 to rotate in the opposite direction in the rotating groove 16, so that the second gear 17 drives the gear ring 15 to rotate in the opposite direction in the annular groove 12, and when the gear ring 15 rotates in the opposite direction, the gear ring 15 drives the plurality of first gears 13 to rotate in the opposite direction in the annular groove 12, so that the plurality of first gears 13 respectively drive the plurality of threaded rods 14 to rotate in the opposite direction, and when the plurality of threaded rods 14 rotate in the opposite direction, the plurality of extrusion rods 11 are respectively affected by the threads of the plurality of threaded rods 14 Move in the opposite direction, so that one end of the multiple extrusion rods 11 are respectively inserted into the multiple extrusion grooves 9 from the multiple second slide grooves 10, so that one end of the multiple extrusion rods 11 squeezes the multiple extrusion grooves 9 respectively, and one end of the multiple second plug blocks 7 are respectively inserted into the inner walls of the multiple slots 3 from the multiple first slide grooves 6, and the multiple tension springs 8 are respectively stretched to ensure that the user can easily install the air pipe body 22 on the air inlet of the boiler 1. Then the user releases the hand pulling the insertion rod 20, and allows one end of the insertion rod 20 to be inserted into the rotating rod 18 under the action of the elastic force of the spring 21, and fixes the rotating rod 18 to ensure that the rotating rod 18 will not rotate due to external influences.

[0067] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A convenient and disassembled boiler air pipe, characterized in that: include: A boiler (1) and a first fixed plate (2), wherein the first fixed plate (2) is fixedly connected to the air inlet of the boiler (1), a plurality of slots (3) are provided on one side of the first fixed plate (2), a second fixed plate (4) is plugged into one side of the first fixed plate (2), a plurality of first plug blocks (5) are fixedly connected to a side of the second fixed plate (4) close to the first fixed plate (2), and the plurality of first plug blocks (5) are respectively located in the plurality of slots (3) and plugged into the plurality of slots (3), and an air pipe body (22) is fixedly connected to a side of the second fixed plate (4) away from the first fixed plate (2); A plurality of first slide grooves (6), wherein the plurality of first slide grooves (6) are respectively arranged in the plurality of first plug blocks (5) and are respectively connected to the plurality of slots (3); a second plug block (7) is slidably connected in the first slide groove (6), and one end of the second plug block (7) extends to the inner wall of the first slide groove (6) and is plugged into and matched with the first slide groove (6); the other end of the second plug block (7) is fixedly connected to a tension spring (8) fixed to the inner wall of the first slide groove (6); and an extrusion groove (9) is arranged on the second plug block (7); a plurality of second slide grooves (10), the plurality of second slide grooves (10) being arranged in the second fixed plate (4) and respectively connected to the plurality of first slide grooves (6), an extrusion rod (11) being slidably connected in the second slide groove (10), and one end of the extrusion rod (11) extending into the extrusion groove (9) and plugging and cooperating with the extrusion groove (9); A driving assembly, the driving assembly is located in the second fixed disk (4) and is used to drive the plurality of extrusion rods (11) to move.

2. The conveniently disassembled boiler air pipe according to claim 1, characterized in that: The drive assembly comprises: an annular groove (12), the annular groove (12) being formed in the second fixed disk (4) and being connected to the plurality of second slide grooves (10), the annular groove (12) being rotatably connected to a plurality of first gears (13), one end of the first gear (13) being fixedly connected to a threaded rod (14), one end of the threaded rod (14) passing through the extrusion rod (11) and extending into the extrusion rod (11) to be threadedly connected to the extrusion rod (11), a gear ring (15) being meshed between the plurality of first gears (13), the gear ring (15) being located in the annular groove (12) and being rotatably connected to the annular groove (12); a rotating groove (16), the rotating groove (16) being formed on the inner wall of the annular groove (12), a second gear (17) meshing with the gear ring (15) being rotatably connected in the rotating groove (16), a rotating rod (18) being fixedly connected to the second gear (17), and one end of the rotating rod (18) passing through the inner wall of the rotating groove (16) and extending to the outside to be rotatably connected to the second fixed disk (4); A fixing assembly, the fixing assembly is located in the second fixing plate (4) and is used to fix the rotating rod (18).

3. The conveniently disassembled boiler air pipe according to claim 2, characterized in that: One end of the first gear (13) is rotatably connected to the second sliding groove (10).

4. The conveniently disassembled boiler air pipe according to claim 2, characterized in that: The fixing assembly comprises: A third slide groove (19), wherein the third slide groove (19) is provided in the second fixed plate (4) and communicates with the outside, wherein an insertion rod (20) is slidably connected in the third slide groove (19), and one end of the insertion rod (20) passes through the rotating rod (18) and extends into the rotating rod (18) and is plugged into and matched with the rotating rod (18), and a spring (21) fixed to the inner wall of the third slide groove (19) is fixedly connected to the insertion rod (20).

5. The conveniently disassembled boiler air pipe according to claim 4, characterized in that: The insertion rod (20) is in an "L" shape.

6. The conveniently disassembled boiler air pipe according to claim 1, characterized in that: One end of the extrusion rod (11) is arranged in an inclined manner.

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