Cleaning device for heat supply and ventilation pipeline

Abstract

The utility model discloses a heat supply ventilation pipeline cleaning device, which relates to the pipeline cleaning field and comprises a shell, a first rotating rod is arranged on one side of the shell, a plurality of groups of first racks are movably arranged in the rotating rod, and brush heads are arranged at the end parts of the first racks. And a first rotating rod and a second rotating rod are movably mounted in the rotating rod, two sets of gears are fixed to the outer wall of each of the first rotating rod and the second rotating rod, and the two sets of first racks are connected with the gears on the outer wall of the first rotating rod in a meshed mode. The problem that the first racks are inconvenient to adjust is solved, movement of the four first racks can be achieved by rotating the screw rod, the four first racks move towards the outer side or the inner side at the same time, the first racks are adjusted more conveniently, bolts do not need to be used for fixing for many times, and the adjustment efficiency is improved. And the rotating rod can be supported through the arranged mounting frame, and the friction force between the mounting frame and the pipeline can be reduced through the arranged rolling wheels.

Description

Technical Field

[0001] The utility model relates to the field of pipeline cleaning, in particular to a heating and ventilation pipeline cleaning device. Background Art

[0002] Heating and ventilation ducts generally refer to pipes used in heating and ventilation systems inside buildings. Fresh air is transported or dirty air is discharged through the ventilation ducts to play a role in ventilation. The heating and ventilation ducts are connected to the heating device. The heat generated by the heating device is transmitted through the heating and ventilation ducts, and then transported to the room, avoiding the problem of low indoor temperature in winter. However, dust is likely to accumulate in the heating and ventilation ducts due to long-term use, and the accumulation of dust will reduce the heat dissipation effect of the heating and ventilation ducts.

[0003] According to a heating and ventilation duct cleaning device with publication number CN220160794U, it includes a shell, a motor is installed inside the shell, a rotating rod is installed on the driving shaft of the motor, a reserved groove is opened inside the rotating rod, two gears are connected inside the reserved groove through a rotating shaft, a fixing rod is fixed on the top of the gear, a knob is fixed on the top of the fixing rod, and two racks are meshed on the surface of the gear, connecting rods are fixed on the opposite surfaces of the two racks, and a brush is installed on one end of the connecting rod.

[0004] However, the above-mentioned patent disclosure requires bolts to clamp the racks during use, but the threads need to be rotated multiple times to adjust the positions of the two sets of racks, which is inconvenient to use and reduces work efficiency. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a heating and ventilation duct cleaning device to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a heating and ventilation duct cleaning device comprises an outer shell, a first rotating rod is installed on one side of the outer shell, and multiple groups of first racks are movably installed inside the rotating rod, a brush head is provided at the end of the first rack, a first rotating rod and a second rotating rod are movably installed inside the rotating rod, and two groups of gears are fixed on the outer walls of the first rotating rod and the second rotating rod, the two groups of the first racks are meshed and connected with the gears on the outer wall of the first rotating rod, the two groups of the first racks are meshed and connected with the gears on the outer wall of the second rotating rod, a screw is installed on the outer wall of the rotating rod through a thread, and a rectangular block is fixed on the end of the screw, the rectangular block is movably connected to the first rotating rod, the second rack is movably installed inside the rotating rod, and the third rack is movably installed inside the rotating rod.

[0007] By adopting the above technical solution, the problem of inconvenient adjustment of the first rack is solved. The movement of the four groups of first racks can be achieved by rotating the screw rod, so that the four groups of first racks move outward or inward at the same time, making the adjustment of the first rack more convenient, and there is no need to use bolts for fixing multiple times. The set mounting frame can support the rotating rod. When the rotating rod enters the inside of the pipeline, the support frame also fits into the inside of the pipeline, so that the rotating rod will not be suspended in the air, and the rotating rod will not have the problem of being too heavy at the end and easily damaged. The set roller can reduce the friction between the mounting frame and the pipeline.

[0008] The utility model is further configured such that the second rack is meshedly connected with the gear on the outer wall of the first rotating rod, the third rack is meshedly connected with the gear on the outer wall of the second rotating rod, and a second fixing rod is fixed to the end of the second rack, a connecting rod is fixed to one side of the third rack, and the second fixing rod and the connecting rod are fixedly connected.

[0009] By adopting the above technical solution, the fixed rod can drive the third rack to move simultaneously when the second rack moves, and the connecting rod is conveniently connected to the fixed rod, and there will be no influence on their movement trajectories.

[0010] The utility model is further configured such that a limiting groove matching the rectangular block is provided inside the first rotating rod.

[0011] By adopting the above technical solution, the rectangular block can be limited by the provided limiting groove, so that the rectangular block can slide inside the limiting groove.

[0012] The utility model is further configured that a dust collecting box is installed on one side of the shell, an exhaust fan is installed above the dust collecting box, and a dust collecting pipe is installed at the output end of the exhaust fan.

[0013] By adopting the above technical solution, when the rotating rod is working, the exhaust fan works at the same time, so as to collect the dust generated during cleaning and avoid the problem of dust floating.

[0014] The utility model is further configured such that a mounting frame is fixed to one side of the first rack, and a roller is installed at the end of the mounting frame.

[0015] By adopting the above technical solution, the mounting frame can support the rotating rod when the rotating rod is located in the pipeline, avoiding the problem of bending of the end of the rotating rod due to gravity, and the setting of the roller can reduce the friction between the mounting frame and the pipeline.

[0016] The utility model is further configured that a rotating handle is fixed on the end of the screw rod.

[0017] By adopting the above technical solution, the screw rod can be easily rotated manually through the provided turning handle.

[0018] The utility model is further configured that a limiting protrusion is fixed on one side of the second rack.

[0019] By adopting the above technical solution, the movement direction of the second rack can be limited by the provided limiting protrusion, so that the second rack can slide horizontally inside the rotating rod.

[0020] The utility model is further configured such that a first fixing rod is fixed to the end of the first rack, and the first fixing rod is connected to the brush head via a thread.

[0021] By adopting the above technical solution, the brush head with threaded connection can be easily disassembled, and the brush head that has been used for a long time can be easily replaced, thereby ensuring the working effect of the brush head.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] The utility model solves the problem of inconvenient adjustment of the first rack by providing a screw rod, a rectangular block, a second rack and a third rack. The movement of the four groups of first racks can be realized by rotating the screw rod, so that the four groups of first racks move outward or inward at the same time, making the adjustment of the first rack more convenient and eliminating the need to use bolts for fixing multiple times. The provided mounting frame can support the rotating rod, and when the rotating rod enters the interior of the pipeline, the supporting frame also fits into the interior of the pipeline, so that the rotating rod will not be suspended in the air, and the rotating rod will not have the problem of being too heavy at the end and easily damaged. The provided roller can reduce the friction between the mounting frame and the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the connection between the rectangular block and the first rotating rod of the utility model;

[0026] Figure 3 This is a schematic diagram of the connection between the second rotating rod and the gear of the utility model;

[0027] Figure 4 It is a schematic diagram of the internal structure of the first rotating rod of the utility model.

[0028] In the figure: 1. outer shell; 2. rotating rod; 3. first rack; 31. first fixed rod; 4. brush head; 5. mounting bracket; 51. roller; 6. screw; 61. rotating handle; 62. rectangular block; 7. first rotating rod; 71. second rotating rod; 72. limiting groove; 8. second rack; 81. second fixed rod; 82. limiting protrusion; 9. third rack; 91. connecting rod; 10. gear; 11. dust box; 12. exhaust fan; 13. dust collection pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0030] The following describes an embodiment of the utility model based on its overall structure.

[0031] A heating and ventilation duct cleaning device, such as Figure 1 - Figure 4 As shown, it includes a shell 1, a first rotating rod 7 is installed on one side of the shell 1, and multiple groups of first racks 3 are movably installed inside the rotating rod 2, and a brush head 4 is provided at the end of the first rack 3, and the first rotating rod 7 and the second rotating rod 71 are movably installed inside the rotating rod 2, and the outer walls of the first rotating rod 7 and the second rotating rod 71 are fixed with two groups of gears 10, the two groups of first racks 3 are meshed and connected with the gears 10 on the outer wall of the first rotating rod 7, and the two groups of first racks 3 are meshed and connected with the gears 10 on the outer wall of the second rotating rod 71, and the outer wall of the rotating rod 2 is threadedly installed with a screw 6, and the rotation of the screw 6 drives the rectangular block 62 to rotate, and the rotation of the rectangular block 62 drives the first rotating rod The rod 7 rotates, and when the first rotating rod 7 rotates, the gear 10 is driven to rotate. When the gear 10 rotates, it drives the two groups of first racks 3 to move relative to each other, and at the same time drives the second rack 8 to move. When the second rack 8 moves, it drives the third rack 9 to move. When the third rack 9 moves, it drives the gear 10 to rotate. The gear 10 drives the second rotating rod 71 to rotate, and the second rotating rod 71 rotates the other two groups of first racks 3 to move relative to each other, thereby adjusting the position of the brush head 4, and a rectangular block 62 is fixed to the end of the screw rod 6, and the rectangular block 62 is movably connected to the first rotating rod 7, and the second rack 8 is movably installed inside the rotating rod 2, and the third rack 9 is movably installed inside the rotating rod 2.

[0032] See also Figure 2 and Figure 3 The second rack 8 is meshed and connected with the gear 10 on the outer wall of the first rotating rod 7, the third rack 9 is meshed and connected with the gear 10 on the outer wall of the second rotating rod 71, and a second fixed rod 81 is fixed to the end of the second rack 8, a connecting rod 91 is fixed to one side of the third rack 9, and the second fixed rod 81 and the connecting rod 91 are fixedly connected. The second fixed rod 81 can drive the third rack 9 to move at the same time when the second rack 8 moves, and the connecting rod 91 is conveniently connected to the second fixed rod 81, and there will be no influence on their movement trajectory.

[0033] See also Figure 4A limiting groove 72 matching the rectangular block 62 is provided inside the first rotating rod 7. The rectangular block 62 can be limited by the limiting groove 72 so that the rectangular block 62 can slide inside it.

[0034] See also Figure 1 A dust box 11 is installed on one side of the shell 1, and an exhaust fan 12 is installed above the dust box 11, and a dust collecting pipe 13 is installed at the output end of the exhaust fan 12. When the rotating rod 2 works, the exhaust fan 12 works at the same time, so as to collect the dust generated during cleaning and avoid the problem of dust floating.

[0035] See also Figure 1 and Figure 2 A mounting frame 5 is fixed to one side of the first rack 3, and a roller 51 is installed at the end of the mounting frame 5. The mounting frame 5 can support the rotating rod 2 when the rotating rod 2 is located in the pipeline, thereby avoiding the problem of bending of the end of the rotating rod 2 due to gravity. The setting of the roller 51 can reduce the friction between the mounting frame 5 and the pipeline.

[0036] See also Figure 4 A rotating handle 61 is fixed to the end of the screw rod 6 , and the rotating handle 61 can be used to facilitate manual rotation of the screw rod 6 .

[0037] See also Figure 2 A limiting protrusion 82 is fixed on one side of the second rack 8 , and the limiting protrusion 82 can limit the movement direction of the second rack 8 , so that the second rack 8 can slide horizontally inside the rotating rod 2 .

[0038] See also Figure 1 A first fixing rod 31 is fixed to the end of the first rack 3, and the first fixing rod 31 is connected to the brush head 4 through a thread. The threaded brush head 4 can be easily disassembled, and the brush head used for a long time can be replaced to ensure the working effect of the brush head 4.

[0039] The working principle of the utility model is as follows: when the position of the brush head 4 needs to be adjusted, the screw rod 6 is rotated, and the rotation of the screw rod 6 drives the rectangular block 62 to rotate. When the rectangular block 62 rotates, it drives the first rotating rod 7 to rotate. When the first rotating rod 7 rotates, it drives the gear 10 to rotate. When the gear 10 rotates, it drives the two groups of first racks 3 to move relative to each other, and at the same time drives the second rack 8 to move. When the second rack 8 moves, it drives the third rack 9 to move. When the third rack 9 moves, it drives the gear 10 to rotate. The gear 10 drives the second rotating rod 71 to rotate, and the second rotating rod 71 rotates the other two groups of first racks 3 to move relative to each other, thereby adjusting the position of the brush head 4. After the adjustment is completed, there is no need to fix the first rack 3. Subsequently, the rotating shelf 2 is pushed into the pipeline, and the roller 51 is fitted with the inner wall of the pipeline. The motor starts to drive the rotating rod 2 to rotate, and the rotating rod 2 drives the brush head 4 to clean the inside of the pipeline. The exhaust fan 12 works at the same time to collect the generated dust.

[0040] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A heating and ventilation duct cleaning device, comprising a housing (1), characterized in that: A first rotating rod (7) is installed on one side of the housing (1), and a plurality of first racks (3) are movably installed inside the rotating rod (2), and a brush head (4) is arranged at the end of the first rack (3). A first rotating rod (7) and a second rotating rod (71) are movably installed inside the rotating rod (2), and two sets of gears (10) are fixed to the outer walls of the first rotating rod (7) and the second rotating rod (71), and the two sets of the first racks (3) are meshed and connected with the gears (10) on the outer wall of the first rotating rod (7), and the two sets of the first racks (3) are meshed and connected with the gears (10) on the outer wall of the second rotating rod (71). A screw (6) is installed on the outer wall of the rotating rod (2) by threading, and a rectangular block (62) is fixed to the end of the screw (6), and the rectangular block (62) is movably connected with the first rotating rod (7). A second rack (8) is movably installed inside the rotating rod (2), and a third rack (9) is movably installed inside the rotating rod (2).

2. A heating and ventilation duct cleaning device according to claim 1, characterized in that: The second rack (8) is meshedly connected with the gear (10) on the outer wall of the first rotating rod (7), the third rack (9) is meshedly connected with the gear (10) on the outer wall of the second rotating rod (71), and a second fixed rod (81) is fixed to the end of the second rack (8), a connecting rod (91) is fixed to one side of the third rack (9), and the second fixed rod (81) and the connecting rod (91) are fixedly connected.

3. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A limiting groove (72) matching the rectangular block (62) is provided inside the first rotating rod (7).

4. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A dust collecting box (11) is installed on one side of the housing (1), an exhaust fan (12) is installed above the dust collecting box (11), and a dust collecting pipe (13) is installed at the output end of the exhaust fan (12).

5. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A mounting frame (5) is fixed to one side of the first rack (3), and a roller (51) is mounted on the end of the mounting frame (5).

6. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A rotating handle (61) is fixed to the end of the screw rod (6).

7. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A limiting protrusion (82) is fixed on one side of the second rack (8).

8. A heating and ventilation duct cleaning device according to claim 1, characterized in that: A first fixing rod (31) is fixed to the end of the first rack (3), and the first fixing rod (31) is connected to the brush head (4) via a thread.

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