High-pressure water gun for urban drainage pipeline desilting

By installing a support structure on the outside of the high-pressure water gun nozzle, the problem of nozzle misalignment was solved, enabling all-round flushing of the inner wall of the drainage pipe and improving the cleaning effect.

CN224016484UActive Publication Date: 2026-03-20JIANGSU LVTAO GARDEN CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When using existing drainage pipe cleaning equipment, the nozzles are prone to misalignment, making it difficult to thoroughly remove dirt from the inner side of the pipe, resulting in poor cleaning effect.

Method used

A high-pressure water gun for dredging urban drainage pipes has been designed. A support structure is set on the outside of the nozzle, including a mounting ring, connecting plate, fixed shaft, slider, mounting rod, support rod and roller structure. It can stably support the pipe and adjust the position of the roller to adapt to pipes of different diameters.

Benefits of technology

It achieves all-round flushing of the inner wall of the drainage pipe, improves the cleaning effect, and ensures that the high-pressure water flow can effectively remove the deposits on the inside of the pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline cleaning equipment, and discloses a high-pressure water gun for urban drainage pipeline desilting, which comprises a spray head, a connecting groove is arranged at one end of the spray head, a plurality of spray cavities are arranged in the spray head close to the connecting groove, inner cavity bodies of the spray cavities are communicated with the connecting groove, and nozzles are in threaded connection in the spray cavities. A supporting device is fixedly mounted on the outer side of the spray head and further comprises a plurality of mounting rings, and a plurality of connecting plates are fixedly connected between every two mounting rings. The supporting device is arranged on the outer side of the spray head, the supporting device is composed of a plurality of mounting rings, a connecting plate, a fixing shaft, a sliding block, a mounting rod, a supporting rod, a rolling wheel and the like, the spray head can be supported in the middle of the drainage pipeline, or the spray head is lifted in the drainage pipeline, and therefore all-directional washing on the inner wall of the drainage pipeline is improved; and the wheel rod is inserted into the mounting rod and is matched with the U-shaped limiting piece, so that the mounting position of the roller can be quickly adjusted and limited according to drainage pipelines with different diameters.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline cleaning equipment technical field, especially in city drainage pipeline dredging with high pressure water gun. BACKGROUND

[0002] The high-pressure flushing water gun for cleaning drainage pipeline is a professional equipment for dredging and cleaning drainage pipeline, which is generally composed of a water gun main body, a nozzle and a connecting part. When working, the water gun is connected with a high-pressure water pump, high-pressure water flow enters the water gun from the water pump through the connecting part, and is sprayed out at high speed through the specially designed nozzle.

[0003] The nozzle can gather water flow into different shaped jets, such as fan-shaped and conical, to meet different cleaning needs. For example, the multi-angle nozzle disclosed in the Chinese utility model patent with the publication number CN219073361U can realize the flushing and dredging function of the sewer or drainage pipe. However, many nozzles cannot be stably supported in the drainage pipeline and are easily deviated to the bottom of the pipeline or attached to one side, so that the impact force of the flushing water flow on the part of the pipeline far away from the water gun is reduced, which easily leads to the difficulty in completely removing the dirt on the inner side of the pipeline, and the cleaning effect is greatly reduced. SUMMARY

[0004] The utility model discloses a kind of high-pressure water guns for city drainage pipeline dredging, can effectively solve the problem in background art.

[0005] To achieve the above-mentioned purpose, the utility model takes the technical scheme as follows:

[0006] A high-pressure water gun for city drainage pipeline dredging, comprising a nozzle, a connecting groove is formed at one end of the nozzle, a plurality of spray cavities are also formed in the nozzle near the connecting groove, and the inner cavities of the spray cavities are in communication with the connecting groove. A nozzle is threadedly connected in the spray cavity. A support device is fixedly installed on the outside of the nozzle. The support device further comprises a plurality of mounting rings, and a plurality of connecting plates are fixedly connected between two mounting rings. The connecting plates have a C-shaped structure. A fixed shaft is fixedly connected in the connecting plate. A sliding block is slidingly connected to the fixed shaft. A plurality of mounting rods are rotatably connected to the outside of the two mounting rings. A support rod is rotatably connected between the mounting rod and the sliding block. A wheel rod is rotatably connected to one end of the wheel rod.

[0007] As a further preferred embodiment of the utility model, a first compression spring is sleeved on the outside of the fixed shaft. One side of the first compression spring abuts against one side of the sliding block, and the other side of the first compression spring abuts against one side of the connecting plate. The force of the first compression spring can provide support force and reset movement function for the sliding block after the sliding block is forced to move.

[0008] As a further preferred scheme of the utility model, the adjusting through groove is set in the mounting rod, and the setting of the adjusting through groove can provide conditions for the installation and movement of the wheel rod.

[0009] As a further preferred scheme of the utility model, the U-shaped limiting piece is fixedly installed with the clamping block on both sides, the U-shaped limiting piece above the clamping block is also provided with the installation through groove, the connecting pin is installed between the two installation through grooves, and one end of the connecting pin extends to one side of the U-shaped limiting piece through one of the installation through grooves and is clamped with the clamping spring.

[0010] As a further preferred scheme of the utility model, the second compression spring is sleeved on the outside of the connecting pin, one side of the second compression spring abuts against one side in the U-shaped limiting piece, and the other side of the second compression spring abuts against the other side in the U-shaped limiting piece, and the clamping block is arranged on both sides of the U-shaped limiting piece to provide conditions for the limiting of the wheel rod in cooperation with the second compression spring.

[0011] As a further preferred scheme of the utility model, the sliding groove is set in the wheel rod, the clamping groove is set on both sides in the sliding groove, the wheel rod is installed in the adjusting through groove, the U-shaped limiting piece is arranged in the sliding groove, and the two clamping blocks are clamped in the corresponding clamping grooves, and the cooperation of the U-shaped limiting piece, the clamping block, the sliding groove and the clamping groove can realize the quick limiting of the wheel rod after the quick adjustment of the position of the roller driven by the wheel rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the support device is set outside the spray head, and is composed of a plurality of mounting rings, connecting plates, fixed shafts, sliding blocks, mounting rods, supporting rods, rollers and the like, can support the spray head in the middle of the drainage pipeline, or lift the spray head in the drainage pipeline, thereby improving the omnibearing flushing of the inner wall of the drainage pipeline, and the roller is installed at one end of the wheel rod, the wheel rod is installed in the mounting rod and cooperates with the U-shaped limiting piece to quickly adjust and limit the installation position of the roller according to the drainage pipeline of different diameters, so that the whole device can be adjusted to adapt to the pipelines of different diameters. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the main structure schematic view of the utility model;

[0015] Figure 2 It is the spray head sectional view of the utility model;

[0016] Figure 3 It is the support device structure schematic view of the utility model;

[0017] Figure 4 It is the installation rod and wheel rod split structure schematic view of the utility model;

[0018] Figure 5 It is Figure 4 The enlarged view of A in the middle;

[0019] Figure 6 It is the U-shaped limiting piece structure schematic view of the utility model.

[0020] In the drawing: 1, spray head; 2, connecting groove; 3, spray cavity; 4, nozzle; 5, support; 6, mounting ring; 7, connecting plate; 8, fixed shaft; 9, sliding block; 10, installation rod; 11, support rod; 12, wheel rod; 13, roller; 14, first compression spring; 15, adjusting through slot; 16, U-shaped limiting piece; 17, clamping block; 18, mounting through slot; 19, connecting pin; 20, second compression spring; 21, sliding groove; 22, clamping groove. Specific implementation

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] As Figures 1-6 shown, the utility model provides a high pressure water gun for city drainage pipeline dredging, including spray head 1, the one end of spray head 1 is equipped with connecting groove 2, still be equipped with multiple spray cavities 3 in spray head 1 near connecting groove 2, and the inner cavity of spray cavity 3 is communicated with connecting groove 2, still be screwed with nozzle 4 in spray cavity 3, the outside fixed mounting of spray head 1 has support 5, support 5 still includes multiple mounting rings 6, and multiple connecting plates 7 are fixedly connected between two mounting rings 6, and connecting plate 7 is C-shaped structure, fixedly connected with fixed shaft 8 in connecting plate 7, slidingly connected with sliding block 9 on fixed shaft 8, wherein the outside of two mounting rings 6 is rotatably connected with multiple installation rods 10, rotatably connected with support rod 11 between installation rod 10 and sliding block 9, wheel rod 12 is movably installed in installation rod 10, and roller 13 is rotatably connected to one end of wheel rod 12.

[0023] As Figure 3 shown, the outside of fixed shaft 8 is sleeved with first compression spring 14, one side of first compression spring 14 abuts against one side of sliding block 9, and the other side of first compression spring 14 abuts against one side in connecting plate 7, and the acting force of first compression spring 14 can provide supporting force for sliding block 9 after force movement of sliding block 9 and reset movement function.

[0024] As Figure 1 , Figures 3-6As shown, the adjusting through slot 15 is arranged in the mounting rod 10, the arrangement of the adjusting through slot 15 can provide conditions for the installation and movement of the wheel rod 12, the U-shaped limiting piece 16 is fixedly arranged in the adjusting through slot 15, the clamping block 17 is fixedly arranged on the two sides of the U-shaped limiting piece 16, the mounting through slot 18 is arranged on the U-shaped limiting piece 16 above the clamping block 17, the connecting pin 19 is arranged between the two mounting through slots 18, one end of the connecting pin 19 extends to one side of the U-shaped limiting piece 16 through one of the mounting through slots 18 and is clamped with the clamping spring, the second compression spring 20 is sleeved on the outer side of the connecting pin 19, one side of the second compression spring 20 abuts against one side in the U-shaped limiting piece 16, the other side of the second compression spring 20 abuts against the other side in the U-shaped limiting piece 16, the clamping block 17 arranged on the two sides of the U-shaped limiting piece 16 can provide conditions for the limiting of the wheel rod 12 in cooperation with the second compression spring 20, the sliding groove 21 is arranged in the wheel rod 12, the clamping groove 22 is arranged on the two sides in the sliding groove 21, the wheel rod 12 is arranged in the adjusting through slot 15, the U-shaped limiting piece 16 is arranged in the sliding groove 21, and the two clamping blocks 17 are clamped in the corresponding clamping grooves 22, the cooperation of the U-shaped limiting piece 16, the clamping block 17, the sliding groove 21 and the clamping groove 22 can realize the quick limiting of the wheel rod 12 after the quick adjustment of the position of the wheel rod 12 driving the roller 13.

[0025] It should be noted that the utility model discloses a high-pressure water gun for dredging urban drainage pipeline, when washing the pipeline, one end of the hose is connected to the connecting groove 2 through the connecting head, so that the high-pressure water is supplied to the spray cavity 3 through the water supply equipment, so that the water in the spray cavity 3 is sprayed through the nozzle 4, that is, the sprayed water flow can wash the accumulated material on the inner side of the pipeline, and the impact force of the water flow can make the spray head 1 be pulled in the pipeline, when the spray head 1 moves in the pipeline, a plurality of slide blocks 9, mounting rods 10, supporting rods 11, wheel rods 12 and rollers 13 can be supported in the middle of the pipeline or lifted and moved in the pipeline, so that the impact force of the water flow at the end of the high-pressure water flow can wash the accumulated material in the pipeline clean.

[0026] When the installation position of the plurality of rollers 13 is adjusted, the two ends of the U-shaped limiting piece 16 can be manually engaged with each other, so that the installation through-slots 18 of the two ends of the U-shaped limiting piece 16 slide on the connecting pin 19 and compress the second compression spring 20, then the clamping blocks 17 on the two sides of the U-shaped limiting piece 16 are separated from the corresponding clamping grooves 22 due to the deformation of the U-shaped limiting piece 16, at this time, the wheel rod 12 can be pulled in the adjusting through-slot 15, that is, the installation position of the roller 13 is adjusted by the wheel rod 12, that is, the farther the installation position of the roller 13 is from the nozzle 1, the larger the diameter of the pipeline that the roller 13 is adapted to, when the adjustment of the installation position of the roller 13 is completed, the two ends of the U-shaped limiting piece 16 are loosened, so that the two clamping blocks 17 are re-clamped into the corresponding clamping grooves 22 by the resetting ability of the U-shaped limiting piece 16 itself and the force of the second compression spring 20, thereby re-positioning the wheel rod 12.

[0027] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-pressure water gun for dredging urban drainage pipes, characterized in that: The device includes a nozzle (1), one end of which has a connecting groove (2). The nozzle (1) also has multiple spray chambers (3) near the connecting groove (2), and the inner cavity of the spray chamber (3) is connected to the connecting groove (2). The spray chamber (3) is also threaded with a nozzle (4). A support (5) is fixedly installed on the outside of the nozzle (1). The support (5) also includes multiple mounting rings (6), and multiple connecting plates (7) are fixedly connected between two mounting rings (6). The connecting plates (7) are C-shaped. A fixed shaft (8) is fixedly connected inside the connecting plates (7). A slider (9) is slidably connected on the fixed shaft (8). Multiple mounting rods (10) are rotatably connected to the outside of the two mounting rings (6). A support rod (11) is rotatably connected between the mounting rod (10) and the slider (9). A wheel rod (12) is movably installed inside the mounting rod (10). A roller (13) is rotatably connected to one end of the wheel rod (12).

2. The high-pressure water gun for dredging urban drainage pipes according to claim 1, characterized in that: A first compression spring (14) is fitted on the outside of the fixed shaft (8). One side of the first compression spring (14) abuts against one side of the slider (9), and the other side of the first compression spring (14) abuts against one side of the connecting plate (7).

3. A high-pressure water gun for dredging urban drainage pipes according to claim 1, characterized in that: An adjustment groove (15) is provided inside the mounting rod (10), and a U-shaped limiting piece (16) is fixedly installed inside the adjustment groove (15).

4. A high-pressure water gun for dredging urban drainage pipes according to claim 3, characterized in that: Both sides of the U-shaped limiting piece (16) are fixedly installed with a locking block (17). The U-shaped limiting piece (16) located above the locking block (17) is also provided with an installation through groove (18). A connecting pin (19) is inserted between the two installation through grooves (18), and one end of the connecting pin (19) passes through one of the installation through grooves (18) and extends to one side of the U-shaped limiting piece (16) and is fitted with a retaining spring.

5. A high-pressure water gun for dredging urban drainage pipes according to claim 4, characterized in that: A second compression spring (20) is fitted on the outside of the connecting pin (19). One side of the second compression spring (20) abuts against one side of the U-shaped limiting piece (16), and the other side of the second compression spring (20) abuts against the other side of the U-shaped limiting piece (16).

6. A high-pressure water gun for dredging urban drainage pipes according to claim 5, characterized in that: The wheel rod (12) has a sliding groove (21) inside, and slots (22) are provided on both sides of the sliding groove (21). The wheel rod (12) is inserted into the adjusting through groove (15), and the U-shaped limiting piece (16) is placed in the sliding groove (21). The two locking blocks (17) are respectively locked in the corresponding slots (22).

Citation Information

Patent Citations

  • Multi-angle nozzle for cleaning sewer

    CN219073361U