Cleaning device for incrustation in heating and ventilation water pipe
By designing a scale cleaning device for HVAC pipes that are adapted to different pipe diameters, and adjusting the angle of the cleaning head with the drive components and thread matching, the problem of poor compatibility of existing devices is solved, improving cleaning efficiency and reducing space occupation.
Patent Information
- Application Number
- CN202421939346.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing HVAC scale cleaning device cannot adapt to water pipes of different pipe diameters, which have poor compatibility and large space occupancy.
A scale cleaning device for internal HVAC pipes including cleaning components is designed. The cleaning rod is driven to rotate by driving the assembly, and the cleaning head is rotatably connected to the connecting rod, and the angle and distance are adjusted through thread matching to adapt to water pipes of different pipe diameters. The cleaning head is a scraper structure, which is convenient for fitting the pipe wall to clean scale.
It achieves stronger compatibility with water pipes of different pipe diameters, improves cleaning efficiency, and reduces space consumption after use.
Smart Images

Figure CN223197676U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline cleaning, in particular to a device for cleaning scale inside a HVAC water pipe. Background Art
[0002] The water in the HVAC water pipes contains impurities. Due to the long-term use of the HVAC water pipes, the impurities in the HVAC water pipes will form scale and adhere to the inner wall of the pipes, breeding bacteria and affecting the water quality.
[0003] When in use, the existing scale cleaning device uses a cleaning brush to clean the scale in the water pipe. However, in actual use, it can only clean water pipes of fixed specifications and cannot clean water pipes of different specifications. Different scale cleaning devices need to be used, which reduces the scope of use of the scale cleaning device and reduces the cleaning efficiency.
[0004] The patent with publication number CN220772025U discloses a HVAC pipe scale cleaning device, including a motor, the outer wall of the motor is fixedly connected to the inside of the shell, the shell provides a fixing effect on the motor, a fixing column is fixedly connected to one side of the shell, the shell provides a fixing effect on the fixing column, the output end of the motor is fixedly connected to the second gear, the motor provides power for the rotation of the second gear, the outer wall of the second gear is meshed with the first gear, the inner wall of the first gear has a ring array of the outer wall of the fixed bar, one end of the fixed bar is fixedly connected to a slider, the slider provides a fixing effect on the fixed bar, one side of the slider is fixedly connected to a connecting plate, the outer wall of the connecting plate is fixedly connected to the cleaning plate, and the connecting plate provides a fixing effect on the slider and the cleaning plate.
[0005] This type of pipe scale cleaning equipment is only suitable for cleaning pipe scale with a fixed diameter and has poor compatibility. Utility Model Content
[0006] In order to overcome the shortcomings of the existing technology, the technical problem to be solved by the present invention is to provide a scale cleaning device inside HVAC water pipes, which can adapt to water pipes of different diameters, has stronger compatibility, is easy to store, and can reduce space occupancy.
[0007] To achieve the above-mentioned purpose, the utility model provides a device for cleaning scale inside HVAC water pipes, comprising: a cleaning component, the cleaning component including a cleaning rod, at least two connecting rods evenly surrounding the outer circumference of one end of the cleaning rod, the connecting rod being rotatably connected to the cleaning rod, and the end of the connecting rod away from the cleaning rod being rotatably connected to a cleaning head; the cleaning rod is provided with a thread and is threadedly connected to a first retaining ring, the first retaining ring abuts against the connecting rod; a driving component rotatably connected to the end of the cleaning rod away from the connecting rod; a hand-held part fixed to the end of the driving component away from the cleaning rod, for holding the device and pushing the device to clean scale.
[0008] As described above, the driving assembly is used to drive the cleaning rod of the cleaning assembly to rotate, thereby driving the cleaning head to rotate and clean the scale; the cleaning head of the cleaning assembly is rotatably connected to the cleaning rod through the connecting rod, and cooperates with the thread set on the cleaning rod through the first retaining ring to adjust the angle between the connecting rod and the cleaning rod, and then adjust the distance between the cleaning head and the cleaning rod to adapt to water pipes of different diameters, with stronger compatibility; the cleaning head is rotatably connected to the connecting rod, which is convenient for adjusting the angle of the cleaning head so that the cleaning head can fit the wall of the water pipe and better clean the scale; the rotatable connection between the connecting rod and the cleaning rod also facilitates the storage of the device. When in use, the connecting rod is unfolded. After use, the connecting rod is rotated to bring the cleaning head close to the cleaning rod, which can reduce space occupancy.
[0009] Specifically, the driving assembly includes a mounting cylinder and a driving motor. The cleaning rod is rotatably connected to one end of the mounting cylinder through a bearing. The driving motor is installed in the mounting cylinder. The output shaft of the driving motor is coaxially fixed with the cleaning rod. The provided mounting cylinder is used to install the driving motor, and the provided driving motor is used to drive the cleaning rod to rotate, thereby driving the cleaning head to rotate, thereby cleaning the scale in the water pipe; the cleaning rod and the mounting cylinder are rotatably connected, so that the rotation of the cleaning rod is more stable.
[0010] Specifically, the hand-held part includes a connecting tube and an extension tube. The connecting tube is fixedly connected to the end of the mounting tube away from the cleaning rod by a fixing ring. A connecting head is fixed to one end of the extension tube. The connecting head extends into the connecting tube and is fixed to the connecting tube by a bolt. The extension tube and the mounting tube are fixed together by the provided connecting tube, and the extension tube and the connecting tube are fixed together by the provided connecting head and the bolt. The extension tube and the connecting tube can be disassembled to facilitate the storage of the device.
[0011] Furthermore, the outer diameter of the connecting head is consistent with the inner diameter of the connecting tube and the inner diameter of the extension tube. A fixing hole that cooperates with the connecting head is opened at one end of the extension tube away from the connecting tube. By cooperating with the connecting head through the opened fixing hole, multiple extension tubes can be fixedly connected together, making this device convenient for cleaning water pipes of different lengths. The number of extension tubes used can be adjusted according to the length of the water pipe that needs to be cleaned.
[0012] Furthermore, a second retaining ring is fixed to one end of the cleaning rod close to the driving assembly, and a compression spring is sleeved on the cleaning rod, one end of the compression spring abuts against the first retaining ring, and the other end abuts against the second retaining ring. The second retaining ring is used to install the compression spring, and the installed compression spring is used to press against the first retaining ring, so that the first retaining ring is not easy to loosen during scale cleaning.
[0013] Furthermore, a shifting rod is provided on the first shifting ring to facilitate the rotation of the first shifting ring.
[0014] Furthermore, the cleaning head is a scraper, which is convenient for scraping scale off the inner wall of the water pipe.
[0015] As described above, compared with the prior art, the scale cleaning device for HVAC water pipes of the present invention has at least the following beneficial effects:
[0016] 1. The utility model is used to drive the cleaning rod of the cleaning assembly to rotate through the driving assembly, thereby driving the cleaning head to rotate and clean scale; the cleaning head of the cleaning assembly is rotatably connected to the cleaning rod through a connecting rod, and cooperates with the thread provided on the cleaning rod through a first retaining ring to adjust the angle between the connecting rod and the cleaning rod, and then adjust the distance between the cleaning head and the cleaning rod to adapt to water pipes of different diameters, with stronger compatibility.
[0017] 2. The utility model is convenient for storage because the connecting rod and the cleaning rod are rotatably connected. When in use, the connecting rod is unfolded. After use, the connecting rod is rotated to bring the cleaning head close to the cleaning rod, thereby reducing space occupation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0019] Figure 1 This is a schematic structural diagram of the device for cleaning scale inside HVAC water pipes of the present invention;
[0020] Figure 2 It is a cross-sectional view of the drive assembly and the handheld part of the utility model.
[0021] In the figure: 1. Cleaning assembly; 11. Cleaning rod; 12. Connecting rod; 13. Cleaning head; 14. First retaining ring; 2. Drive assembly; 21. Mounting cylinder; 22. Drive motor; 23. Bearing; 3. Handle; 31. Connecting cylinder; 32. Extension tube; 33. Fixing ring; 34. Connecting head; 35. Bolt; 4. Second retaining ring; 5. Compression spring; 6. Push rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See below Figures 1 and 2 The device for cleaning scale inside a HVAC water pipe of the utility model is described in detail.
[0024] like Figure 1-2 As shown, the scale cleaning device for the interior of HVAC water pipes of the present invention comprises: a cleaning component 1, a driving component 2 and a handheld part 3.
[0025] The cleaning assembly 1 includes a cleaning rod 11, and the outer circumference of one end of the cleaning rod 11 is evenly surrounded by two but not less than two connecting rods 12. The connecting rod 12 is rotatably connected to the cleaning rod 11, and the end of the connecting rod 12 away from the cleaning rod 11 is rotatably connected to a cleaning head 13, which is a scraper for scraping scale from the inner wall of the water pipe; the cleaning rod 11 is provided with a thread and is threadedly connected to a first stop ring 14, and the first stop ring 14 abuts against the connecting rod 12; a second stop ring 4 is fixed to the end of the cleaning rod 11 close to the driving assembly 2, and a compression spring 5 is sleeved on the cleaning rod 11, one end of the compression spring 5 abuts against the first stop ring 14, and the other end abuts against the second stop ring 4. The second stop ring 4 is provided for installing the compression spring 5, and the installed compression spring 5 is used to press against the first stop ring 14, so that the first stop ring 14 is not easy to loosen when cleaning scale; a shift rod 6 is provided on the first stop ring 14 for easy rotation of the first stop ring 14.
[0026] like Figure 2 As shown, the drive assembly 2 is rotatably connected to the end of the cleaning rod 11 away from the connecting rod 12. The drive assembly 2 includes a mounting cylinder 21 and a drive motor 22. The cleaning rod 11 is rotatably connected to one end of the mounting cylinder 21 through a bearing 23. The drive motor 22 is installed in the mounting cylinder 21. The output shaft of the drive motor 22 is coaxially fixed with the cleaning rod 11. The mounting cylinder 21 is provided for installing the drive motor 22. The drive motor 22 is provided for driving the cleaning rod 11 to rotate, thereby driving the cleaning head 13 to rotate, thereby cleaning the scale in the water pipe; the cleaning rod 11 is rotatably connected to the mounting cylinder 21, so that the rotation of the cleaning rod 11 is more stable.
[0027] In the present invention, the hand-held portion 3 is fixed to the end of the driving assembly 2 away from the cleaning rod 11 , and the hand-held portion 3 is used to hold the device and push the device to clean scale. The handle portion 3 includes a connecting tube 31 and an extension tube 32. The connecting tube 31 and the mounting tube 21 are fixedly connected by a fixing ring 33. One end of the extension tube 32 is fixed with a connecting head 34. The connecting head 34 extends into the connecting tube 31 and is fixed to the connecting tube 31 by a bolt 35. The extension tube 32 and the connecting tube 31 are fixed together by the provided connecting tube 31. The provided connecting head 34 cooperates with the bolt 35 to fix the extension tube 32 to the connecting tube 31. The extension tube 32 and the connecting tube 31 are removable for easy storage of the device. The outer diameter of the connecting head 34 is consistent with the inner diameter of the connecting tube 31 and the inner diameter of the extension tube 32. The end of the extension tube 32 away from the connecting tube 31 is provided with a fixing hole that cooperates with the connecting head 34. By cooperating with the fixing hole and the connecting head 34, multiple extension tubes 32 can be fixedly connected together, making the device convenient for cleaning water pipes of different lengths. The number of extension tubes 32 used can be adjusted according to the length of the water pipe that needs to be cleaned.
[0028] The utility model is provided with a driving assembly 2 for driving the cleaning rod 11 of the cleaning assembly 1 to rotate, driving the cleaning head 13 to rotate, and cleaning scale; the cleaning head 13 of the cleaning assembly 1 is rotatably connected to the cleaning rod 11 through the connecting rod 12, and cooperates with the thread provided on the cleaning rod 11 through the first retaining ring 14 to adjust the angle between the connecting rod 12 and the cleaning rod 11, and then adjust the distance between the cleaning head 13 and the cleaning rod 11 to adapt to water pipes of different diameters, with stronger compatibility; the cleaning head 13 is rotatably connected to the connecting rod 12, which is convenient for adjusting the angle of the cleaning head 13 so that the cleaning head 13 can fit the wall of the water pipe and better clean scale; the rotatable connection between the connecting rod 12 and the cleaning rod 11 also facilitates the storage of the device. When in use, the connecting rod 12 is unfolded. After use, the connecting rod 12 is rotated to make the cleaning head 13 close to the cleaning rod 11, which can reduce space occupancy.
[0029] Below, refer to Figure 1 and Figure 2 Combined with the description of the above structural features, the working principle of the scale cleaning device inside the HVAC water pipe of the utility model is briefly described:
[0030] The cleaning rod 11 is driven to rotate by the driving motor 22, and the cleaning rod 11 drives the connecting rod 12 and the cleaning head 13 to rotate, thereby cleaning the scale in the water pipe; rotating the first baffle ring 14 can make the first baffle ring 14 move along the cleaning rod 11. When the first baffle ring 14 is away from the second baffle ring 4, it can squeeze the connecting rod 12, so that the angle between the connecting rod 12 and the cleaning rod 11 becomes larger, thereby adjusting the distance between the cleaning head 13 and the cleaning rod 11 until the cleaning head 13 abuts the wall of the water pipe. At this time, the connecting rod 12 is supported by the first baffle ring 14, and the cleaning head 13 is supported by the wall of the water pipe, and the angle between the connecting rod 12 and the cleaning rod 11 is fixed.
[0031] The above is only a specific implementation method of the present invention, but the scope of protection of the present invention is not limited to this. Any changes or replacements that can be understood by anyone familiar with the technology within the technical scope disclosed by the present invention should be included in the scope of the present invention.
Claims
1. A device for cleaning scale inside HVAC water pipes, characterized in that: include: A cleaning assembly comprising a cleaning rod, wherein at least two connecting rods are evenly arranged around the outer periphery of one end of the cleaning rod, the connecting rods being rotatably connected to the cleaning rod, and the end of the connecting rod away from the cleaning rod being rotatably connected to a cleaning head; the cleaning rod is provided with a thread and is threadably connected to a first retaining ring, the first retaining ring abutting against the connecting rod; a driving assembly, rotatably connected to an end of the cleaning rod away from the connecting rod; The hand-held portion is fixedly connected to an end of the driving assembly away from the cleaning rod.
2. The device for cleaning scale inside HVAC water pipes according to claim 1, characterized in that: The driving assembly includes a mounting tube and a driving motor. The cleaning rod is rotatably connected to one end of the mounting tube via a bearing. The driving motor is installed in the mounting tube. The output shaft of the driving motor is coaxially fixed with the cleaning rod.
3. The device for cleaning scale inside HVAC water pipes according to claim 2, characterized in that: The handheld part includes a connecting tube and an extension tube. The connecting tube is fixedly connected to the end of the mounting tube away from the cleaning rod through a fixing ring. A connecting head is fixed to one end of the extension tube. The connecting head extends into the connecting tube and is fixed to the connecting tube through a bolt.
4. The device for cleaning scale inside HVAC water pipes according to claim 3, characterized in that: The outer diameter of the connector is consistent with the inner diameter of the connecting tube and the inner diameter of the extension tube. An end of the extension tube away from the connecting tube is provided with a fixing hole that matches the connector.
5. The device for cleaning scale inside HVAC water pipes according to claim 1, characterized in that: A second retaining ring is fixed to one end of the cleaning rod close to the driving assembly. A compression spring is sleeved on the cleaning rod. One end of the compression spring abuts against the first retaining ring, and the other end abuts against the second retaining ring.
6. The device for cleaning scale inside HVAC water pipes according to claim 1, characterized in that: A shift rod is provided on the first baffle ring.
7. The device for cleaning scale inside HVAC water pipes according to claim 1, characterized in that: The cleaning head is a scraper.
Citation Information
Patent Citations
Scale cleaning equipment for heating and ventilation pipeline
CN220772025U