Cooler tube cleaning tool
By designing a cooling pipe cleaning tool with outer and inner sleeves, the problem of copper pipe damage caused by cleaning steel bars is solved by utilizing water flow and torsional force, achieving efficient and safe cleaning results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YICHANG NENGXING POWER SALES CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-06-16
AI Technical Summary
In existing technologies, cleaning cooler pipes by inserting steel bars can easily cause deformation and scratches on the copper pipe walls, and the cleaning efficiency is low, requiring frequent disassembly and re-riveting of the pipes.
A cooler pipe cleaning tool consisting of an outer sleeve and an inner sleeve was designed. It utilizes the dual action of water flow flushing and outer sleeve to twist, dispersing the operator's hand force into planar torsion and axial compression, thus protecting the copper pipe and avoiding direct friction damage.
It improves cleaning efficiency, protects copper pipes from damage, extends service life, avoids perforation caused by friction, and reduces maintenance time.
Smart Images

Figure CN224365432U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooler maintenance, and in particular to a tool for cleaning cooler pipes. Background Technology
[0002] During the flood season, the cooling water contains a large amount of debris. Although filtered, some plant matter, cloth, plastic fragments, and silt can still escape the filter and gradually accumulate and clog the copper tubes of the cooler. This gradually reduces the flow surface of the cooler tubes, affecting the cooling effect. When the blockage accumulates to an excessive extent, the flow surface of the cooler becomes too narrow, and the cooling effect becomes too low, it is necessary to shut down the machine and clean the copper tubes of the cooler.
[0003] The cooler pipes are small in diameter and long in length. Maintenance personnel typically find a steel bar of suitable diameter, slightly grind the end of the bar, and use a simple poking and plucking motion to clean them. Through repeated poking and plucking, the blockage loosens and is discharged from the other end of the cooler pipe. During this process, the steel bar and sand particles exert pressure and friction on the copper pipe wall, causing deformation and even scratches. After several cleanings, some copper pipes will develop localized perforations. After a perforation, maintenance personnel will use wooden plugs to seal the corresponding copper pipes. When too many copper pipes are damaged, all the copper pipes in the cooler will be removed and re-riveted. A cooler typically has dozens of copper pipes, and poking and plucking each one individually is extremely inefficient and time-consuming. Utility Model Content
[0004] This utility model provides a tool for cleaning cooler pipes, solving the problem of existing methods that use steel bars to poke and insert into cooler pipes. During the poke and insert process, the steel bars and sand particles squeeze and rub against the copper pipe wall, causing deformation or even scratches to the copper pipe wall, which can easily lead to local perforation of the copper pipe. When too much copper pipe is damaged, all the copper pipes in the cooler need to be removed and re-riveted, which is very inefficient and time-consuming.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a tool for cleaning cooler pipes, including an outer sleeve, an inner sleeve connected to the outer sleeve, one end of the inner sleeve extending out of the outer sleeve, a female connector connected to the outer sleeve, a detachable male connector on one side of the female connector, and one end of the male connector connected to a water pump.
[0006] In a preferred embodiment, one end of the outer sleeve is provided with an end hole, and the other end of the outer sleeve is provided with a through hole. One end of the end hole of the outer sleeve is provided with a bevel and multiple tapered notches.
[0007] In the preferred embodiment, the bevel angle is 15°~30°.
[0008] In the preferred embodiment, the distance between one end of the inner sleeve and the end of the end hole of the outer sleeve is 12~18mm.
[0009] In a preferred embodiment, the inner sleeve rests against the through hole, and multiple support rods are provided between the outer wall of the inner sleeve and the inner wall of the outer sleeve.
[0010] In a preferred embodiment, the connecting female head includes a sleeve, one end of which is provided with multiple ball holes, each ball hole is provided with a ball retainer, and the sleeve is provided with a sliding sleeve.
[0011] In a preferred embodiment, the sliding sleeve is provided with an inner annular groove, and a spring is provided on the inner annular groove. One end of the spring is connected to the sliding sleeve, and the other end of the spring is connected to the sleeve.
[0012] In a preferred embodiment, the male connector includes an inner retaining sleeve that abuts against the sleeve. The inner retaining sleeve has an annular groove, and multiple ball holes are engaged in the annular groove.
[0013] The beneficial effects of this invention are as follows: The flushing water from the male connector, connected to the water pump, enters the outer sleeve from the female connector. Through the gap between the outer and inner sleeves, it reaches the end hole, flushing away blockages inside the cooler's copper tubes. The blockages, loosened by the water flow, are discharged from the inner sleeve. Blockages that remain undischarged under pressure are further loosened and discharged under the combined action of the water flow and the outer sleeve end by the twisting and pulling force of the outer sleeve head. A portion of the blockage is discharged from the other end of the cooler's copper tube; in this case, the blockage is actually discharged simultaneously through both the inner tube of the special tool and the opposite end of the cooler's copper tube.
[0014] This device utilizes the flushing force of water to remove blockages, supplemented by the twisting and peeling force of the outer sleeve. The operator's maximum hand force is distributed in two directions: planar torsion and axial compression, with planar torsion being the dominant force. The axial compression force does not exceed 30% of the force required to insert the reinforcing bar, thus effectively protecting the cooler's pipes and extending the service life of the copper pipes.
[0015] Water flow penetrates every crevice, applying force to blockages from multiple angles and directions. Combined with the twisting and pulling force of the outer pipe, the blockage is more easily loosened and discharged, resulting in high cleaning efficiency. This method avoids cleaning copper pipes with steel bars, as the steel bars and sand particles exert pressure and friction on the copper pipe wall, causing deformation and even scratches, leading to localized perforations. When the copper pipe is severely damaged, re-riveting is necessary, making this method of cleaning highly valuable for wider application. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a sectional view of the overall structure of this utility model;
[0018] Figure 2 This is a utility model Figure 1Sectional view of AA;
[0019] Figure 3 This is a side view of the end of the outer sleeve of this utility model;
[0020] Figure 4 This is an axial view of the end of the outer sleeve of this utility model;
[0021] Figure 5 This is a cross-sectional view of the female connector and the male connector of this utility model;
[0022] In the figure: outer sleeve 1; end hole 101; through hole 102; bevel 103; tapered notch 104; inner sleeve 2; support rod 3; connecting female head 4; sleeve 401; sliding sleeve 402; spring 403; ball hole 404; ball retainer 405; connecting male head 5; inner retainer 501; annular groove 502. Detailed Implementation
[0023] Example 1:
[0024] like Figure 1-5 The tool for cleaning cooler pipes includes an outer sleeve 1 with a connected inner sleeve 2. One end of the inner sleeve 2 extends out of the outer sleeve 1, and one end of the outer sleeve 1 has a connected female connector 4. A detachable male connector 5 is located on one side of the female connector 4, and one end of the male connector 5 is connected to a water pump. In this structure, the outer sleeve 1 and the inner sleeve 2 are not on the same plane. The distance between the end of the inner sleeve 2 and the end of the end hole 101 of the outer sleeve 1 is 12-18 mm. The end of the outer sleeve 1 has a bevel 103 and multiple tapered notches 104, facilitating the application of a pulling and peeling force to the end of the cooler copper pipes. One end of the outer sleeve 1 is connected to the female connector 4, which is detachably connected to the male connector 5, which is connected to the water pump. The female connector 4 forms a handle that can be connected to the flushing water pipe and also provides a grip for maintenance personnel to operate.
[0025] The flushing water from the water pump, connected to the male connector 5, enters the outer sleeve 1 from the female connector 4. It then flows through the gap between the outer sleeve 1 and the inner sleeve 2 to the end hole 101, flushing out blockages inside the cooler copper tubes. The blockages, loosened by the water flow, are discharged from the inner sleeve 2. Blockages that remain after being flushed by the pressurized water are further loosened and discharged under the combined action of the water flow and the outer sleeve 1's end. A portion of the blockage is discharged from the other end of the cooler copper tube; in this case, the blockage is actually discharged simultaneously through both the inner tube of the special tool and the opposite end of the cooler copper tube.
[0026] If the cooler copper tube is not completely blocked, some of the blockage will be discharged from the other end of the cooler copper tube. In this case, the blockage is actually discharged simultaneously through the inner sleeve 2 and the opposite end of the cooler copper tube.
[0027] This device utilizes the flushing force of water to remove blockages, supplemented by the twisting and peeling force of the outer sleeve 1. The operator's maximum hand force is distributed in two directions: planar torsion and axial compression, with planar torsion being the dominant force. The axial compression force does not exceed 30% of the force required to insert the reinforcing bar, thus effectively protecting the cooler's pipes and extending the service life of the copper pipes.
[0028] Water flow penetrates every crevice, applying force to blockages from multiple angles and directions. Combined with the twisting and pulling force of the outer pipe, the blockage is more easily loosened and discharged, resulting in high cleaning efficiency. Avoid using steel bars to clean copper pipes. The steel bars and sand particles exert pressure and friction on the copper pipe wall, causing deformation and even scratches, leading to localized perforations. When the copper pipe is severely damaged, re-riveting may be necessary.
[0029] In a preferred embodiment, one end of the outer sleeve 1 is provided with an end hole 101, and the other end of the outer sleeve 1 is provided with a through hole 102. One end of the end hole 101 of the outer sleeve 1 is provided with a bevel 103 and multiple tapered notches 104.
[0030] In the preferred embodiment, the bevel angle 103 is 15°~30°. With this structure, the outer sleeve 1 and the inner sleeve 2 are not located on the same plane. The distance between one end of the inner sleeve 2 and the end of the end hole 101 of the outer sleeve 1 is 12~18mm. The end of the outer sleeve 1 has a bevel 103 and multiple tapered notches 104, which facilitates the application of a peeling force to the port of the outer sleeve 1 to the blockage inside the cooler copper tube.
[0031] In the preferred embodiment, the distance between one end of the inner sleeve 2 and the end of the end hole 101 of the outer sleeve 1 is 12~18mm.
[0032] In the preferred embodiment, the inner sleeve 2 abuts against the through hole 102, and multiple support rods 3 are provided between the outer wall of the inner sleeve 2 and the inner wall of the outer sleeve 1.
[0033] In a preferred embodiment, the female connector 4 includes a sleeve 401. One end of the sleeve 401 has multiple ball holes 404, each with a retaining ball 405. The sleeve 401 also has a sliding sleeve 402. With this structure, when the female connector 4 needs to connect with the male connector 5, the sliding sleeve 402 is pushed, causing it to slide relative to the sleeve 401. The inner retaining sleeve 501 extends into the sleeve 401. Then, the sliding sleeve 402 is released, and under the action of a spring 403, it returns, causing the retaining ball 405 to engage with the annular groove 502, thus connecting the female connector 4 and the male connector 5. This allows the outer sleeve 1 to connect to the water pump.
[0034] In a preferred embodiment, the sliding sleeve 402 is provided with an inner ring groove, and a spring 403 is provided on the inner ring groove. One end of the spring 403 is connected to the sliding sleeve 402, and the other end of the spring 403 is connected to the sleeve 401.
[0035] In the preferred embodiment, the male connector 5 includes an inner retaining sleeve 501, which abuts against the sleeve 401. The inner retaining sleeve 501 has an annular groove 502, and multiple ball holes 404 are engaged in the annular groove 502. With this structure, the cooler's piping is made of copper. The flushing water from the pump connected to the male connector 5 enters the outer sleeve 1 from the female connector 4, reaching the end hole 101 through the gap between the outer sleeve 1 and the inner sleeve 2. This flushes away blockages inside the cooler's copper pipe, loosening them and discharging them with the water flow from the inner sleeve 2. Blockages that remain undischarged under pressure are further loosened and discharged under the combined action of the water flow and the outer sleeve 1's end. Some blockages are discharged from the other end of the cooler's copper pipe; in this case, the blockages are actually discharged simultaneously through both the inner tube of the special tool and the opposite end of the cooler's copper pipe.
[0036] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.
Claims
1. A tool for cleaning cooler pipes, characterized in that: It includes an outer sleeve (1), an inner sleeve (2) connected to the outer sleeve (1), one end of the inner sleeve (2) extends out of the outer sleeve (1), one end of the outer sleeve (1) is provided with a connected female connector (4), one side of the female connector (4) is provided with a detachable male connector (5), and one end of the male connector (5) is connected to the water pump.
2. The tool for cleaning cooler pipes according to claim 1, characterized in that: One end of the outer tube (1) is provided with an end hole (101), and the other end of the outer tube (1) is provided with a through hole (102). One end of the end hole (101) of the outer tube (1) is provided with a bevel (103) and multiple conical notches (104).
3. The tool for cleaning cooler pipes according to claim 2, characterized in that: The bevel angle (103) is 15°~30°.
4. The tool for cleaning cooler pipes according to claim 2, characterized in that: The distance between one end of the inner sleeve (2) and the end of the end hole (101) of the outer sleeve (1) is 12~18mm.
5. The tool for cleaning cooler pipes according to claim 2, characterized in that: The inner sleeve (2) abuts against the through hole (102), and multiple support rods (3) are provided between the outer wall of the inner sleeve (2) and the inner wall of the outer sleeve (1).
6. The tool for cleaning cooler pipes according to claim 1, characterized in that: The connecting female head (4) includes a sleeve (401), one end of the sleeve (401) is provided with multiple ball holes (404), the ball holes (404) are provided with ball retainers (405), and the sleeve (401) is provided with a sliding sleeve (402).
7. The tool for cleaning cooler pipes according to claim 6, characterized in that: The sliding sleeve (402) is provided with an inner ring groove, and a spring (403) is provided on the inner ring groove. One end of the spring (403) is connected to the sliding sleeve (402), and the other end of the spring (403) is connected to the sleeve (401).
8. The tool for cleaning cooler pipes according to claim 1, characterized in that: The male connector (5) includes an inner sleeve (501), which abuts against the sleeve (401). The inner sleeve (501) is provided with an annular groove (502), and multiple ball holes (404) are engaged in the annular groove (502).