A condensate pipe unblocker

Abstract

The utility model discloses a kind of condensate pipe dredgers, belong to condenser equipment maintenance technical field.The dredger includes high-pressure dredger shell, hose and rubber plug head, compression cavity, gas storage cavity and one-way valve are equipped in shell, piston plate reciprocates under the drive of piston rod, so that gas in compression cavity enters gas storage cavity and stores to set pressure, high-pressure gas flow is released instantaneously by valve, is transmitted to condensate pipe in hose, impact pipeline blockage realizes dredging.Hose is installed between guide wheel and is penetrated, recessed surface is equipped on the surface of guide wheel for limiting, so that the angle of hose is not more than 90 degrees when bending, avoid folding and cause airflow obstruction.Ring groove is cooperated with shell by sleeve ring, positioning and angle adjustment are realized by combining protruding block, sliding block, spring and adjusting bolt, to adapt to different working conditions.Rubber plug head is conical, surface is equipped with sealing convex ring, form barb type seal when inserting condensate pipe, prevent airflow leakage.

Description

Technical Field

[0001] This utility model belongs to the field of condensate pipe cleaning technology, specifically relating to a condensate pipe unblocking device. Background Technology

[0002] In the operation of air conditioners, refrigeration units, and other condensing equipment, condensate drain pipes are commonly used to drain the condensate produced during operation. However, due to the small diameter of the condensate drain pipes and the ease with which they can trap impurities such as dust, algae, and oil during drainage, these impurities can accumulate over time and cause blockages. Once the condensate drain pipes are blocked, poor drainage can lead to problems such as condensate backflow, water leakage from the unit, and even equipment shutdown, affecting the normal operation and lifespan of the equipment. Therefore, how to efficiently and quickly unclog the condensate drain pipes is a crucial technical problem that needs to be solved in condenser maintenance.

[0003] Existing technologies typically employ a high-pressure airflow impact method, similar to that used in toilet plungers, to unclog condensate pipes. The basic principle is that a piston reciprocates to compress gas; when the gas reaches a certain pressure, a valve releases the high-pressure airflow instantaneously, impacting the blockage in the pipe. While this method has some effectiveness, it suffers from the following shortcomings in practical applications: Firstly, the hoses of existing devices are prone to folding during use, especially in confined spaces or curved pipes. Folding of the hose severely hinders the delivery of high-pressure airflow, reducing its impact and unblocking effect. Secondly, the hoses often lack effective sealing structures when connected to the condensate pipe, leading to leakage of high-pressure airflow at the connection point and weakening the unblocking force. Furthermore, the unreasonable design of the guiding and fixing structures prevents flexible adaptation to different installation angles, limiting the device's applicability in complex working conditions. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide a condensate drain cleaner that is easy to use and can ensure the unblocking effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A condensate drain cleaner includes a high-pressure drain cleaner housing, a flexible hose connected to the bottom output end of the high-pressure drain cleaner housing, a rubber plug installed at the end of the flexible hose, and the rubber plug being inserted into the port of the condensate drain pipe.

[0007] An annular groove is provided below the surface of the high-pressure drain cleaner housing. A collar is rotatably installed on the surface of the high-pressure drain cleaner housing. Extension rods are provided downward on both sides of the bottom of the collar.

[0008] A guide wheel is rotatably mounted between the two extension rods on the same side, and the hose passes through the two guide wheels. The guide wheel has a concave surface, and the two sides of the hose are respectively placed inside the two concave surfaces.

[0009] Furthermore, a compression chamber is provided at the top inside the high-pressure drain cleaner housing, and an air storage chamber is provided inside the high-pressure drain cleaner housing. A one-way valve is installed between the compression chamber and the air storage chamber.

[0010] A piston plate is slidably installed inside the compression chamber, and a piston rod is provided on the top of the piston plate, which penetrates the upper surface of the high-pressure drain cleaner housing.

[0011] Furthermore, a valve for controlling the discharge of compressed gas is installed at the lower part of the gas storage chamber, and a handle is provided on one side of the outer surface of the high-pressure drain cleaner housing. The control end of the valve penetrates through the outer surface of the high-pressure drain cleaner housing and is located below the handle.

[0012] The surface of the high-pressure drain cleaner housing is equipped with a pressure gauge for detecting the internal pressure of the gas storage chamber.

[0013] Furthermore, the collar corresponds to the position of the annular groove, and the inner wall of the annular groove is uniformly provided with semi-circular grooves.

[0014] Furthermore, symmetrical protrusions are provided on both sides of the outer surface of the collar, and sliders are slidably installed inside the protrusions. An arc-shaped positioning head is provided on the side of the two sliders that are close to each other. The arc-shaped positioning head is placed inside the annular groove, and the end of the arc-shaped positioning head is adapted to the semi-arc groove.

[0015] Furthermore, a spring is provided inside the protrusion, and an adjusting bolt is screwed onto the outer end of the protrusion. The spring is placed between the slider and the adjusting bolt, and the spring applies a thrust to the slider in the direction of the collar center.

[0016] Furthermore, the rubber plug is conical, and sealing protrusions are uniformly arranged on the surface of the rubber plug.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This invention, by setting a guide wheel on the outside of the hose and forming a concave surface on the guide wheel, restricts the hose to bend along the concave arc trajectory during use, with the maximum bending angle not exceeding 90 degrees. This effectively avoids the problem of airflow obstruction caused by excessive folding of the hose during the unclogging of existing condensate pipes, achieves stable airflow transmission within the hose, and improves the impact effect of high-pressure airflow on blockages inside the condensate pipe.

[0019] This invention features a rubber plug at the end of a condensate pipe, with sealing protrusions evenly distributed on the surface of the rubber plug. The rubber plug has a conical structure, which can accommodate condensate pipes of different diameters. After insertion, the sealing protrusions form a barbed seal, thus solving the problem of insufficient interface sealing leading to air leakage in the prior art. This allows high-pressure airflow to be concentrated on the blockage location, effectively improving unblocking efficiency.

[0020] This invention features an annular groove and a semi-circular groove between the collar and the high-pressure drain cleaner housing. Through the combined action of a slider, spring, and adjusting bolt, the arc-shaped positioning head can be stably engaged in the non-operating state, and the collar can be rotated and adjusted under external force. This solves the problem of the non-adjustable guide angle in the prior art, realizes the flexible adjustment of the guide wheel direction, and improves the adaptability of the device in different spaces and complex condensate pipe arrangements. Attached Figure Description

[0021] Figure 1 This is a front view structural diagram of the present utility model;

[0022] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the shell of this utility model;

[0024] Figure 4 This is a schematic diagram of the annular groove structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the installation structure of the collar and guide wheel of this utility model;

[0026] Figure 6 This is a schematic diagram of the cross-sectional structure of the collar and guide wheel of this utility model.

[0027] Figure 7 This is a schematic diagram of the slider extrusion force adjustment structure of this utility model.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. High-pressure drain cleaner housing; 11. Compression chamber; 12. Air storage chamber; 13. Handle; 14. Piston plate; 15. Piston rod; 16. Annular groove; 161. Semi-arc groove; 17. Pressure gauge; 2. Hoses; 21. Rubber plug; 22. Sealing ring; 3. Collar; 31. Extension rod; 32. Protrusion; 4. Guide wheel; 41. Concave surface; 5. Slider; 51. Arc-shaped positioning head; 6. Spring; 7. Adjusting bolt. Detailed Implementation

[0030] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0031] Example 1:

[0032] like Figures 1-7 As shown, a condensate drain cleaner includes a high-pressure drain cleaner housing 1. A flexible hose 2 is connected to the bottom output end of the high-pressure drain cleaner housing 1, and a rubber plug 21 is installed at the end of the flexible hose 2. The rubber plug 21 is inserted into the port of the condensate drain pipe. The high-pressure drain cleaner housing 1 is used to provide high-pressure airflow. The internal structure is designed with reference to existing toilet drain cleaners. The high-pressure airflow instantly impacts the blockage inside the condensate drain pipe. The flexible hose 2 is relatively soft and is prone to folding during use. To avoid folding affecting the airflow delivery, the flexible hose 2 is limited by the concave surface 41 on the surface of the guide wheel 4, thereby ensuring the stability of the high-pressure airflow delivery in the pipe. The sealing protrusion 22 on the surface of the rubber plug 21 can form a tight seal when inserted into the port of the condensate drain pipe, preventing high-pressure airflow leakage at the interface and improving the unblocking efficiency.

[0033] An annular groove 16 is formed on the lower surface of the high-pressure drain cleaner housing 1. A collar 3 is rotatably mounted on the surface of the high-pressure drain cleaner housing 1. Extension rods 31 are set downward on both sides of the bottom of the collar 3. A guide wheel 4 is rotatably mounted between the two extension rods 31 on the same side. The hose 2 passes through the two guide wheels 4. The surface of the guide wheel 4 is provided with a concave surface 41. The two sides of the hose 2 are respectively placed inside the two concave surfaces 41. Through the arc-shaped limiting design of the concave surface 41, even if the hose 2 bends in narrow or curved conditions, the bending angle will not exceed 90 degrees, thereby ensuring smooth airflow and avoiding a decrease in the unblocking effect due to excessive folding. The direction of the guide wheel 4 can be adjusted by rotating the collar 3 to adapt to different installation angles and improve the applicability of the device in complex condensate pipe arrangements.

[0034] like Figure 3 As shown, a compression chamber 11 is provided on the upper part of the high-pressure drain cleaner housing 1, and an air storage chamber 12 is provided inside the high-pressure drain cleaner housing 1. A one-way valve is installed between the compression chamber 11 and the air storage chamber 12. A piston plate 14 is slidably installed inside the compression chamber 11, and a piston rod 15 is provided on the top of the piston plate 14. The piston rod 15 penetrates the upper surface of the high-pressure drain cleaner housing 1. The reciprocating motion of the piston rod 15 drives the piston plate 14 to compress gas. The gas inside the compression chamber 11 enters the air storage chamber 12 through the one-way valve, and backflow is prevented under the action of the one-way valve. The gas pressure in the air storage chamber 12 gradually increases. When it reaches a set threshold, the high-pressure gas flow can be quickly released through the valve, thereby impacting the blockage inside the condensate pipe.

[0035] like Figure 3 and Figure 4 As shown, a valve for controlling the discharge of compressed gas is installed at the bottom of the air storage chamber 12. A handle 13 is provided on one side of the outer surface of the high-pressure drain cleaner housing 1. The control end of the valve passes through the outer surface of the high-pressure drain cleaner housing 1 and is located below the handle 13. A pressure gauge 17 for detecting the internal pressure of the air storage chamber 12 is installed on the surface of the high-pressure drain cleaner housing 1. The valve can be opened and closed by the handle 13 to realize the instantaneous release of high-pressure airflow. The pressure gauge 17 displays the pressure status inside the air storage chamber 12 in real time, ensuring that the operator can judge the appropriate time for unblocking based on the pressure reading, and avoid damage to the device due to excessive pressure or poor unblocking effect due to insufficient pressure.

[0036] like Figure 4 As shown, the collar 3 corresponds to the annular groove 16. The inner wall of the annular groove 16 is uniformly provided with semi-circular grooves 161. The grooves 161 of the annular groove 16 are used in conjunction with the collar 3 to fix the angle of the collar 3. When it is necessary to change the direction of the guide wheel 4, the rotation adjustment of the collar 3 can be achieved through structural cooperation.

[0037] like Figures 4-7 As shown, symmetrical protrusions 32 are arranged on both sides of the outer surface of the collar 3. Slider 5 is slidably installed inside the protrusions 32. An arc-shaped positioning head 51 is arranged on the side of the two sliders 5 that are close to each other. The arc-shaped positioning head 51 is placed inside the annular groove 16, and the end of the arc-shaped positioning head 51 is adapted to the semi-arc groove 161. When an external force is applied to the collar 3, the arc-shaped positioning head 51 and the semi-arc groove 161 generate shear force. The slider 5 retracts inward under the force, so that the collar 3 can rotate. Under the condition of no external force, the arc-shaped positioning head 51 and the semi-arc groove 161 remain engaged, thereby realizing the stable positioning of the collar 3 and ensuring that the hose 2 can still maintain the guiding effect at different angles.

[0038] like Figure 6 and Figure 7 As shown, a spring 6 is installed inside the protrusion 32, and an adjusting bolt 7 is screwed onto the outer end of the protrusion 32. The spring 6 is placed between the slider 5 and the adjusting bolt 7, and the spring 6 applies a pushing force to the slider 5 towards the center of the collar 3. The adjusting bolt 7 can adjust the compression force of the spring 6 by changing the degree of engagement, thereby controlling the tightness of the engagement between the arc-shaped positioning head 51 and the semi-arc groove 161. This structure ensures the angular stability of the collar 3 during use, and at the same time, when the guide direction needs to be adjusted, it can be quickly adjusted by overcoming the pushing force of the spring 6 with external force.

[0039] like Figure 1 and Figure 2As shown, the rubber plug 21 is conical, and sealing protrusions 22 are evenly distributed on the surface of the rubber plug 21. The conical design of the rubber plug 21 facilitates the insertion of condensate pipes of different diameters. After insertion, the sealing protrusions 22 can fit tightly against the inner wall of the condensate pipe to form a barbed sealing structure, which effectively prevents high-pressure air leakage. Through this sealing structure, it is ensured that the high-pressure airflow acts on the blockage inside the condensate pipe, improving the unblocking efficiency and solving the problem of poor impact effect caused by insufficient interface sealing in the prior art.

[0040] Example 2:

[0041] See Figures 1-7 In actual operation, a condensate drain cleaner is first operated by the operator holding the handle 13 on the outer surface of the high-pressure drain cleaner housing 1 with both hands, and aligning the rubber plug 21 with the port of the condensate drain pipe. The rubber plug 21 has a conical structure, and the sealing protrusions 22 evenly distributed on the surface form a multi-point tight fit with the inner wall of the condensate drain pipe when inserted into the port. The protrusions 22 play a barbed limiting and sealing role, effectively preventing high-pressure airflow from leaking out from the connection port, thereby ensuring that the high-pressure airflow can be concentrated and delivered to the inside of the condensate drain pipe.

[0042] After preparation, the operator pushes the piston rod 15, causing the piston plate 14 to slide back and forth inside the compression chamber 11. The outer edge of the piston plate 14 is covered with a sealing rubber sheet, which forms an airtight space by adhering to the inner wall of the compression chamber 11 during the reciprocating motion, thereby pushing the air in the compression chamber 11 to continuously enter the air storage chamber 12. A one-way valve is set between the compression chamber 11 and the air storage chamber 12, which can open in one direction when air is compressed in, preventing the high-pressure gas in the air storage chamber 12 from flowing back into the compression chamber 11. As the piston plate 14 reciprocates multiple times, the air pressure inside the air storage chamber 12 gradually increases. The pressure gauge 17 can monitor and display the air pressure value of the air storage chamber 12 in real time, which makes it easy for the operator to judge the air storage status.

[0043] When the pressure in the gas storage chamber 12 reaches the set threshold, the operator starts the valve through the valve control end below the handle 13; after the valve opens quickly, the high-pressure airflow inside the gas storage chamber 12 is released instantly and enters the hose 2 along the bottom output end of the housing 1; the hose 2 is soft and easy to bend, but to avoid excessive folding affecting the airflow delivery, the hose 2 passes between the two guide wheels 4 below the collar 3; the surface of the guide wheel 4 is provided with an arc-shaped concave surface 41, and the two sides of the hose 2 are just locked in the concave surface 41 to form a stable limit; when the hose 2 is bent, it will bend along the arc-shaped surface of the concave surface 41, and the maximum bending angle does not exceed 90 degrees, thereby avoiding the problem of airflow blockage caused by pipeline folding.

[0044] The guide wheel 4 is supported by two extension rods 31, which are fixed to the bottom of the collar 3. The collar 3 is installed on the outer surface of the high-pressure drain cleaner housing 1 through an annular groove 16. The inner wall of the annular groove 16 is provided with multiple evenly distributed semi-circular grooves 161. The collar 3 has protrusions 32 on both sides, and a slider 5 is slidably installed inside the protrusions 32. One end of the slider 5 is provided with an arc-shaped positioning head 51, which is engaged in the semi-circular groove 161. Under the thrust of the spring 6, the positioning head 51 is reliably engaged with the groove 161, ensuring that the collar 3 always maintains a fixed angle when not in operation. When the operator needs to adjust the direction of the guide wheel 4 to adapt to the installation angle of different condensate pipes, an external force can be applied to rotate the collar 3. After the positioning head 51 is subjected to shear force, it drives the slider 5 to retract inward, so that the collar 3 can rotate smoothly. The adjusting bolt 7 cooperates with the spring 6 to control the compression force of the spring 6, thereby adjusting the tightness of the engagement between the positioning head 51 and the groove 161, so as to achieve a balance between flexible adjustment and stable fixation.

[0045] With the combined action of the high-pressure airflow delivery and the hose guiding mechanism, the high-pressure airflow smoothly enters the condensate pipe. Due to the tight fit between the rubber plug 21 and the sealing ring 22 at the connection port, the airflow will not leak at the port, but will instead concentrate on the blockage inside the pipe. Under the action of the high-pressure impact force, the blockage is quickly impacted and peeled off and discharged with the condensate, thus ensuring the smooth flow of the condensate pipe. This operation effectively solves the problems of hose folding, poor sealing, and difficulty in adjusting the guiding angle in the existing technology, thereby significantly improving the unblocking efficiency and the applicability of the device.

[0046] The working principle of this utility model is as follows: the end of the hose 2 is connected to the output end of the high-pressure drain cleaner housing 1, and then the hose 2 is passed between the two guide wheels 4. The two sides are limited by the concave surface 41. Then the rubber plug 21 is inserted into the end of the condenser water pipe. The sealing convex ring 22 on the surface can act as a barb to improve the tightness of the installation. The high-pressure drain cleaner housing 1 can instantly deliver high-pressure airflow to the condenser water pipe. The high-pressure airflow can flush out the blockage in the condenser pipe to achieve the unblocking work.

[0047] The overall structure of the high-pressure drain cleaner housing 1 is the same as that of the toilet drain cleaner in the prior art. The piston plate 14 can be reciprocated by the piston rod 15. The rubber sheet on the surface of the piston plate 14 compresses the airflow inside the compression chamber 11 into the air storage chamber 12. The one-way valve can prevent backflow. The piston plate 14 judges the pressure inside the air storage chamber 12. When the pressure reaches the threshold, the valve is quickly opened by the valve control end below the collar 3. At this time, the airflow is delivered downward through the hose 2 to the condensate pipe.

[0048] The hose 2 is relatively soft, and the connection end is prone to folding and blockage during use, which affects the delivery of high-pressure airflow and consequently the impact effect. Therefore, the hose 2 is placed inside the two guide wheels 4, and the hose 2 is limited by the concave surface 41 on both sides to prevent it from detaching. When the hose 2 is bent, the hose 2 will bend along the surface of the concave surface 41. The maximum bending angle does not exceed 90 degrees to prevent excessive bending from affecting the delivery of airflow.

[0049] Two guide wheels 4 are mounted on the collar 3. The collar 3 can rotate to adjust the direction of the guide wheels 4 to adapt to different angles. Under normal conditions, the spring 6 applies a pushing force to the slider 5, so that 61 engages with the corresponding semi-circular groove 161 for fixation. When subjected to a manually applied rotational force, the arc-shaped positioning head 51 will generate a shearing force with the semi-circular groove 161, causing the slider 5 to retract inward. At this time, the collar 3 can rotate as a whole. The rotating adjusting bolt 7 can squeeze the spring 6 to adjust the engagement force between the arc-shaped positioning head 51 and the semi-circular groove 161. The engagement force of the two must ensure that the angle remains fixed under non-human conditions.

[0050] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A condensate drain cleaner, comprising a high-pressure drain cleaner housing (1), characterized in that: The bottom output end of the high-pressure drain cleaner housing (1) is connected to a hose (2), and a rubber plug (21) is installed at the end of the hose (2). The rubber plug (21) is inserted into the condensate pipe port. An annular groove (16) is provided below the surface of the high-pressure drain cleaner housing (1), and a collar (3) is rotatably installed on the surface of the high-pressure drain cleaner housing (1). Extension rods (31) are provided downward on both sides of the bottom of the collar (3). A guide wheel (4) is rotatably mounted between the two extension rods (31) on the same side. The hose (2) passes through the two guide wheels (4). The guide wheel (4) has a concave surface (41) on its surface. The two sides of the hose (2) are respectively placed inside the two concave surfaces (41).

2. A condensate drain cleaner according to claim 1, characterized in that: The high-pressure drain cleaner housing (1) has a compression chamber (11) at the top inside, and a gas storage chamber (12) is provided inside the high-pressure drain cleaner housing (1). A one-way valve is installed between the compression chamber (11) and the gas storage chamber (12). A piston plate (14) is slidably installed inside the compression chamber (11), and a piston rod (15) is provided on the top of the piston plate (14). The piston rod (15) penetrates the upper surface of the high-pressure drain cleaner housing (1).

3. A condensate drain cleaner according to claim 2, characterized in that: A valve for controlling the discharge of compressed gas is installed at the bottom of the gas storage chamber (12). A handle (13) is provided on one side of the outer surface of the high pressure drain cleaner housing (1). The control end of the valve penetrates the outer surface of the high pressure drain cleaner housing (1) and is placed below the handle (13). A pressure gauge (17) for detecting the internal pressure of the gas storage chamber (12) is installed on the surface of the high-pressure drain cleaner housing (1).

4. A condensate drain cleaner according to claim 1, characterized in that: The collar (3) is positioned corresponding to the annular groove (16), and the inner wall of the annular groove (16) is uniformly provided with a semi-circular groove (161).

5. A condensate drain cleaner according to claim 4, characterized in that: The collar (3) has symmetrical protrusions (32) on both sides of its outer surface. A slider (5) is slidably installed inside the protrusion (32). An arc-shaped positioning head (51) is provided on the side of the two sliders (5) that are close to each other. The arc-shaped positioning head (51) is placed inside the annular groove (16). The end of the arc-shaped positioning head (51) is adapted to the semi-arc groove (161).

6. A condensate drain cleaner according to claim 5, characterized in that: A spring (6) is provided inside the protrusion (32), and an adjusting bolt (7) is screwed onto the outer end of the protrusion (32). The spring (6) is placed between the slider (5) and the adjusting bolt (7), and the spring (6) applies a thrust to the slider (5) in the direction of the center of the collar (3).

7. A condensate drain cleaner according to claim 1, characterized in that: The rubber plug (21) is conical, and a sealing protrusion (22) is uniformly provided on the surface of the rubber plug (21).

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