Heating and ventilation pipeline cleaning machine

By designing a heating, ventilation, and air conditioning (HVAC) duct cleaning machine, and utilizing a water tank, drive, and filtration mechanism, the problems of manually changing the cleaning fluid and multiple rinsings after traditional HVAC duct cleaning are solved, achieving a highly efficient and automated cleaning and rinsing process.

CN223833031UActive Publication Date: 2026-01-27祖振江
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Patent Information

Application Number
CN202520284448.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-27
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Traditional HVAC duct cleaning requires manual replacement of the cleaning solution or multiple flushes to ensure no residue remains in the pipes, which is cumbersome and inefficient.

Method used

Design a heating, ventilation and air conditioning (HVAC) pipe cleaning machine, which includes a water tank mechanism, a drive mechanism, and a filter mechanism. A high-pressure water pump injects cleaning fluid into the pipes, and after cleaning, the valve is switched to flush the pipes. The filter mechanism filters out impurities to ensure that there are no residues in the pipes.

Benefits of technology

It automates the cleaning and rinsing process, improves cleaning efficiency, ensures no residue remains in the pipes, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of heating and ventilation pipeline cleaning, and particularly discloses a heating and ventilation pipeline cleaning machine, which comprises a water tank mechanism, a cleaning mechanism, a cleaning mechanism and a flushing mechanism, the water tank mechanism comprises a cleaning water tank part and a flushing water tank part, and the lower ends of the outer sides of the cleaning water tank part and the flushing water tank part are jointly connected with a connecting pipe part; the driving mechanism comprises a high-pressure water pump connected with the connecting pipe fitting, and a motor is further arranged on one side of the high-pressure water pump; the filtering mechanism comprises a backflow pipe fitting arranged on the upper side of the cleaning water tank part, and a filtering net part is further arranged at the lower end of the backflow pipe fitting; cleaning water with cleaning liquid in the cleaning water tank body is injected into the heating and ventilation pipeline at high pressure through the high-pressure water pump, dirt and sediments in the pipeline can be effectively removed, and the cleaning efficiency is improved; and after cleaning is completed, clear water in the flushing water tank body can be pumped through the switching valve and the high-pressure water pump to flush the pipeline, it is guaranteed that no residual cleaning liquid exists in the pipeline, and the interior of the pipeline is kept clean.
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Description

Technical Field

[0001] This utility model belongs to the field of HVAC duct cleaning, specifically an HVAC duct cleaning machine. Background Technology

[0002] HVAC duct cleaning refers to the regular or irregular cleaning and maintenance of pipes in heating, ventilation, and air conditioning systems. This process typically uses specialized cleaning equipment, such as HVAC duct cleaning machines, which effectively remove dirt, dust, grease, and other impurities adhering to the inner walls of the pipes using high-pressure water jets or specific cleaning solutions. This ensures unobstructed flow and improves system operating efficiency.

[0003] Cleaning HVAC ducts not only improves indoor air quality and prevents the growth of harmful substances such as bacteria and mold, but also extends the lifespan of the ducts and the entire HVAC system, reducing failure rates and maintenance costs. Therefore, regular cleaning of HVAC ducts is an important measure to ensure a comfortable, hygienic, and energy-efficient building environment.

[0004] Traditional methods require manual replacement of the cleaning solution or multiple rinsing after cleaning HVAC ducts to ensure no residue remains inside the pipes. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a heating, ventilation, and air conditioning (HVAC) pipe cleaning machine, which solves the problem in the prior art where, after cleaning HVAC pipes, it is necessary to manually replace the cleaning fluid or perform multiple rinsings to ensure that there are no residues inside the pipes.

[0006] A heating, ventilation, and air conditioning (HVAC) duct cleaning machine, comprising:

[0007] The water tank mechanism includes a cleaning water tank and a rinsing water tank, and the lower outer sides of the cleaning water tank and the rinsing water tank are also connected to a connecting pipe.

[0008] The drive mechanism includes a high-pressure water pump connected to the connecting pipe, and a motor is also provided on one side of the high-pressure water pump;

[0009] The filtration mechanism includes a return pipe disposed on the upper side of the cleaning water tank, and a filter screen is also disposed at the lower end of the return pipe.

[0010] The high-pressure water pump is connected to the inlet end of the HVAC pipe, and the return pipe is connected to the outlet end of the HVAC pipe.

[0011] Preferably, the cleaning water tank includes a cleaning water tank body, and an inlet and a collection port are fixedly connected to the upper side of the cleaning water tank body;

[0012] The flushing water tank includes a flushing water tank body, and a second water inlet is fixedly connected to the upper side of the flushing water tank body;

[0013] The connecting pipe includes a first connecting pipe and a second connecting pipe that are connected to each other. A first valve is installed on the upper side of the first connecting pipe, and a second valve is installed on the upper end of the second connecting pipe.

[0014] Valve 1 controls the opening and closing of the channel between connecting pipe 1 and the high-pressure water pump, and valve 2 controls the opening and closing of the channel between connecting pipe 2 and the high-pressure water pump.

[0015] Preferably, the return pipe fitting includes a return pipe body, and a mounting cover is fixedly connected to the bottom of the return pipe body;

[0016] The filter element includes a filter body, and guide rods are fixedly connected to the four corners of the upper end of the filter body. Springs are sleeved on the outer side of the guide rods.

[0017] The guide rod is limited and slidably embedded in the mounting cover, and the spring drives the guide rod to move the filter screen body upward.

[0018] The mounting cover limiting clip is embedded on the outside of the collection port, and the filter body is slidably embedded inside the collection port.

[0019] Preferably, it also includes a support mechanism, including a support frame for supporting the cleaning water tank, and a storage plate is slidably connected to the support frame;

[0020] Both the high-pressure water pump and the motor are mounted on the storage plate.

[0021] Preferably, the support frame includes a support frame body, a movable wheel is fixedly connected to one side of the lower end of the support frame body, a support leg is fixedly connected to the other side of the lower end of the support frame body, and a handle is also provided on the outer side of the support frame body;

[0022] Both the cleaning water tank body and the rinsing water tank body are placed on the support frame body.

[0023] Preferably, the storage panel includes a storage panel body, and a set of limiting sliders are provided on the outer side of the storage panel body;

[0024] The storage plate body is limited and slidably embedded inside the support frame body by a limiting slider;

[0025] The high-pressure water pump and motor are both fixedly installed on the storage plate body.

[0026] Preferably, the bottom of the storage board body is also provided with a second support leg.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] By using a high-pressure water pump to inject cleaning water containing cleaning solution from the cleaning tank into the HVAC pipes, dirt and deposits in the pipes can be effectively removed, improving cleaning efficiency.

[0029] After cleaning is completed, by switching the valve, the high-pressure water pump can draw clean water from the flushing tank to flush the pipes, ensuring that there is no residual cleaning solution in the pipes and keeping the inside of the pipes clean.

[0030] When the cleaned water flows back to the main body of the cleaning water tank through the return pipe, impurities are effectively filtered by the filter screen, preventing impurities from re-entering the pipe. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0032] Figure 2 This is an exploded structural diagram of the present invention;

[0033] Figure 3 This is a schematic diagram of the water tank mechanism of this utility model;

[0034] Figure 4 This is a schematic diagram of the filter mechanism of this utility model;

[0035] Figure 5 This is a schematic diagram of the support mechanism of this utility model.

[0036] In the diagram: 1. Water tank mechanism; 11. Cleaning water tank component; 111. Cleaning water tank body; 112. Inlet 1; 113. Collection port; 12. Rinse water tank component; 121. Rinse water tank body; 122. Inlet 2; 13. Connecting pipes; 131. Connecting pipe 1; 132. Connecting pipe 2; 133. Valve 1; 134. Valve 2; 2. Drive mechanism; 21. High-pressure water pump; 22. Motor; 3. Filtration mechanism 31. Return pipe fitting; 311. Return pipe body; 312. Mounting cover; 32. Filter screen fitting; 321. Filter screen body; 322. Guide rod; 323. Spring; 4. Support mechanism; 41. Support frame fitting; 411. Support frame body; 412. Casters; 413. Support leg one; 414. Handle; 42. Storage plate fitting; 421. Storage plate body; 422. Limiting slider; 423. Support leg two. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] like Figures 1 to 5 As shown:

[0039] Example 1: This utility model provides a heating, ventilation, and air conditioning (HVAC) duct cleaning machine, comprising:

[0040] The water tank mechanism 1 includes a cleaning water tank 11 and a rinsing water tank 12, and the lower outer sides of the cleaning water tank 11 and the rinsing water tank 12 are also connected to a connecting pipe 13.

[0041] The drive mechanism 2 includes a high-pressure water pump 21 that is connected to the connecting pipe 13, and a motor 22 is also provided on one side of the high-pressure water pump 21.

[0042] The filtration mechanism 3 includes a return pipe 31 disposed on the upper side of the cleaning water tank 11, and a filter screen 32 is also disposed at the lower end of the return pipe 31.

[0043] The high-pressure water pump 21 is connected to the inlet end of the HVAC pipe, and the return pipe 31 is connected to the outlet end of the HVAC pipe.

[0044] Specifically, the cleaning water tank 11 includes a cleaning water tank body 111, and an inlet 112 and a collection port 113 are fixedly connected to the upper side of the cleaning water tank body 111.

[0045] The flushing water tank 12 includes a flushing water tank body 121, and an inlet 122 is fixedly connected to the upper side of the flushing water tank body 121.

[0046] The connecting pipe fitting 13 includes a first connecting pipe 131 and a second connecting pipe 132 that are connected to each other. A first valve 133 is installed on the upper side of the first connecting pipe 131, and a second valve 134 is installed on the upper end of the second connecting pipe 132.

[0047] Valve 133 controls the opening and closing of the channel between connecting pipe 131 and high-pressure water pump 21, and valve 134 controls the opening and closing of the channel between connecting pipe 132 and high-pressure water pump 21.

[0048] Specifically, the return pipe fitting 31 includes a return pipe body 311, and a mounting cover 312 is fixedly connected to the bottom of the return pipe body 311.

[0049] The filter element 32 includes a filter body 321, and guide rods 322 are fixedly connected to the four corners of the upper end of the filter body 321. Springs 323 are sleeved on the outer side of the guide rods 322.

[0050] The guide rod 322 is limited and slidably embedded in the mounting cover 312, and the spring 323 drives the guide rod 322 to move the filter screen body 321 upward;

[0051] The mounting cover 312 is positioned and locked on the outside of the collection port 113, and the filter body 321 is slidably locked inside the collection port 113.

[0052] As can be seen from the above, during use, cleaning water containing cleaning solution is added to the cleaning water tank body 111 through water inlet 112, and rinsing water is added to the rinsing water tank body 121 through water inlet 122.

[0053] Then, open valve 133 to allow high-pressure water pump 21 to draw water from the cleaning water tank body 111 to clean the HVAC pipes. The cleaned water flows back to the cleaning water tank body 111 through return pipe fitting 31, where impurities are filtered by filter screen body 321.

[0054] Then, close valve 133 and open valve 234 to allow the high-pressure water pump 21 to draw water from the flushing water tank body 121 to flush the HVAC pipes.

[0055] When there are many impurities 321 on the filter body 321, the guide rod 322 will move down, which will compress the spring 323. When the spring 323 deforms significantly, the staff can clean the impurities 321 on the filter body 321.

[0056] like Figure 5 As shown:

[0057] Example 2: This example is basically the same as the previous example, except that it also includes a support mechanism 4, including a support frame 41 for supporting the cleaning water tank 11, and a storage plate 42 is slidably connected to the support frame 41.

[0058] The high-pressure water pump 21 and motor 22 are both mounted on the storage plate 42.

[0059] Specifically, the support frame 41 includes a support frame body 411, a movable wheel 412 is fixedly connected to one side of the lower end of the support frame body 411, a support leg 413 is fixedly connected to the other side of the lower end of the support frame body 411, and a handle 414 is also provided on the outer side of the support frame body 411.

[0060] Both the cleaning water tank body 111 and the rinsing water tank body 121 are placed on the support frame body 411.

[0061] Specifically, the storage plate 42 includes a storage plate body 421, and a set of limiting sliders 422 are provided on the outer side of the storage plate body 421.

[0062] The storage plate body 421 is limited and slidably embedded in the inside of the support frame body 411 by the limiting slider 422;

[0063] The high-pressure water pump 21 and the motor 22 are both fixedly installed on the storage plate body 421.

[0064] Specifically, the bottom of the storage plate body 421 is also provided with a second support leg 423.

[0065] As can be seen from the above, firstly, the cleaning water tank body 111 and the rinsing water tank body 121 are placed on the support frame body 411, the storage plate body 421 is pulled out so that it slides inside the support frame body 411 through the limiting slider 422, and then the high pressure water pump 21 and the motor 22 are fixedly installed on the storage plate body 421. After that, the high pressure water pump 21 and the connecting pipe 13 can be connected.

[0066] The staff can move the entire device using handle 414 and casters 412.

[0067] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0068] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0069] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0070] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0071] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0072] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0073] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A heating, ventilation, and air conditioning (HVAC) duct cleaning machine, characterized in that, include: The water tank mechanism (1) includes a cleaning water tank component (11) and a rinsing water tank component (12), and the lower outer sides of the cleaning water tank component (11) and the rinsing water tank component (12) are also connected to a connecting pipe (13); The drive mechanism (2) includes a high-pressure water pump (21) connected to the connecting pipe (13), and a motor (22) is also provided on one side of the high-pressure water pump (21); The filtration mechanism (3) includes a return pipe (31) disposed on the upper side of the cleaning water tank (11), and a filter screen (32) is also disposed at the lower end of the return pipe (31). The high-pressure water pump (21) is connected to the inlet end of the HVAC pipe, and the return pipe fitting (31) is connected to the outlet end of the HVAC pipe.

2. The HVAC duct cleaning machine as described in claim 1, characterized in that, The cleaning water tank component (11) includes a cleaning water tank body (111), and an inlet (112) and a collection port (113) are fixedly connected to the upper side of the cleaning water tank body (111). The flushing water tank component (12) includes a flushing water tank body (121), and an inlet (122) is fixedly connected to the upper side of the flushing water tank body (121). The connecting pipe fitting (13) includes a first connecting pipe (131) and a second connecting pipe (132) that are connected to each other. A first valve (133) is installed on the upper side of the first connecting pipe (131), and a second valve (134) is installed on the upper end of the second connecting pipe (132). The valve one (133) controls the opening and closing of the channel between the connecting pipe one (131) and the high-pressure water pump (21), and the valve two (134) controls the opening and closing of the channel between the connecting pipe two (132) and the high-pressure water pump (21).

3. The HVAC duct cleaning machine as described in claim 2, characterized in that, The return pipe fitting (31) includes a return pipe body (311), and a mounting cover (312) is fixedly connected to the bottom of the return pipe body (311). The filter element (32) includes a filter body (321), and guide rods (322) are fixedly connected to the four corners of the upper end of the filter body (321). A spring (323) is sleeved on the outside of the guide rods (322). The guide rod (322) is limited and slidably embedded in the mounting cover (312), and the spring (323) drives the guide rod (322) to move the filter screen body (321) upward; The mounting cover (312) is positioned and inserted on the outside of the collection port (113), and the filter body (321) is slidably inserted inside the collection port (113).

4. The HVAC duct cleaning machine as described in claim 2, characterized in that, It also includes a support mechanism (4), including a support frame (41) for supporting the cleaning water tank (11), and a storage plate (42) is slidably connected to the support frame (41); The high-pressure water pump (21) and motor (22) are both mounted on the storage plate (42).

5. The HVAC duct cleaning machine as described in claim 4, characterized in that, The support frame (41) includes a support frame body (411), a movable wheel (412) is fixedly connected to one side of the lower end of the support frame body (411), a support leg (413) is fixedly connected to the other side of the lower end of the support frame body (411), and a handle (414) is also provided on the outer side of the support frame body (411). Both the cleaning water tank body (111) and the rinsing water tank body (121) are placed on the support frame body (411).

6. The HVAC duct cleaning machine as described in claim 5, characterized in that, The storage panel (42) includes a storage panel body (421), and a set of limiting sliders (422) are provided on the outer side of the storage panel body (421). The storage plate body (421) is limited and slidably embedded in the interior of the support frame body (411) by the limiting slider (422); The high-pressure water pump (21) and motor (22) are both fixedly installed on the storage plate body (421).

7. The HVAC duct cleaning machine as described in claim 6, characterized in that, The bottom of the storage board body (421) is also provided with a second support leg (423).