Modified buried nozzle device

By using a three-coaxial vertical pipe design and a sealing ring limiting flange structure, the problem of the buried sprinkler device's dependence on high water pressure is solved, enabling stable operation and efficient irrigation under low water pressure conditions, making it suitable for agricultural and landscape construction.

CN224165381UActive Publication Date: 2026-04-28SHANDONG DONGXIN PLASTIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG DONGXIN PLASTIC TECH CO LTD
Filing Date
2025-07-14
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing underground sprinkler systems require high water pressure to function properly, which can prevent them from extending or retracting properly when water resources are limited or water supply pressure is insufficient, thus affecting irrigation results.

Method used

The design employs three coaxial vertical pipes. By setting the water supply pipes higher than the three vertical pipes, the buried sprinkler head device can sense the initial water pressure, reducing the water pressure requirement. The sealing ring and limiting flange structure improve the sealing performance and stability, and the ball filter device prevents clogging.

Benefits of technology

It can operate stably under low water pressure conditions, reducing installation workload, improving device reliability and irrigation efficiency, reducing energy consumption, and is suitable for environments with limited water resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a modified buried sprayer device, which belongs to the technical field of irrigation equipment and comprises a pipe joint, a left connector, an upper connector, a right connector and a lower connector are arranged on the pipe joint in a cross shape, an extending pipe is formed on the upper connector inwards, the lower connector is fixedly connected with a bottom sealing pipe, and the lower end of the bottom sealing pipe extends towards the lower side. A first vertical pipe, a second vertical pipe and a third vertical pipe are sequentially and coaxially arranged on the inner side of the bottom sealing pipe from outside to inside, the upper end of the first vertical pipe is connected with the extension pipe, the left connector and the right connector are connected to the water conveying pipeline, and a channel for communicating the left connector and the right connector is formed between the first vertical pipe and the bottom sealing pipe in a spaced mode; the second vertical pipe is installed on the first vertical pipe in a sliding and sealing mode, the third vertical pipe is installed on the second vertical pipe in a sliding and sealing mode, and the upper end of the third vertical pipe is connected with a spray head assembly. According to the device, the requirement for water pressure is smaller, the buried spray head device can be easily driven to work, and the working process is more stable.
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Description

Technical Field

[0001] This utility model belongs to the field of irrigation equipment technology, specifically relating to a modified buried sprinkler head device. Background Technology

[0002] Buried sprinkler systems, as a highly efficient irrigation device, are widely used in agriculture, landscaping, and other fields. Their core advantage lies in burying the main body of the sprinkler head underground, only extending it above ground during irrigation. This effectively avoids the problems associated with traditional surface sprinklers, such as damage from long-term exposure, impact on cultivation, and land occupation. However, existing buried sprinkler systems still have some shortcomings in practical applications. They typically require high water pressure to operate normally. In situations with limited water resources or insufficient water pressure, this may cause the sprinkler head to fail to extend or retract properly, thus affecting irrigation efficiency. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a modified buried sprinkler head device that requires less water pressure, can easily drive the buried sprinkler head device to work, and has a more stable working process.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] This utility model discloses a modified buried sprinkler head device, including a pipe joint. The pipe joint has a left interface, an upper interface, a right interface, and a lower interface arranged in a cross shape. The upper interface forms an extension pipe inward, and the lower interface is fixedly connected to a bottom sealing pipe. The lower end of the bottom sealing pipe extends downward. The inner side of the bottom sealing pipe has a first vertical pipe, a second vertical pipe, and a third vertical pipe arranged coaxially from the outside to the inside. The upper end of the first vertical pipe is connected to the extension pipe. The left and right interfaces are connected to a water supply pipe. A channel connecting the left and right interfaces is formed between the first vertical pipe and the bottom sealing pipe. The second vertical pipe is slidably and sealedly installed on the first vertical pipe, and the third vertical pipe is slidably and sealedly installed on the second vertical pipe. The upper end of the third vertical pipe is connected to a sprinkler head assembly.

[0006] Furthermore, the lower end of the second vertical pipe is connected to a first limiting flange, which is limited by the inner end face of the upper interface.

[0007] Furthermore, the outer end face of the upper interface is integrally formed with a first annular groove, a first sealing ring is installed on the inner side of the first annular groove, and a first end cap is threadedly connected to the outer side of the first annular groove. The first end cap is used to press the first sealing ring tightly.

[0008] Furthermore, the upper end of the second vertical pipe is threadedly connected to a second end cap, and the lower end of the third vertical pipe is connected to a second limiting flange, which is limited by the second end cap.

[0009] Furthermore, a second sealing ring is installed on the outer side of the second limiting flange, and the second sealing ring mates with the inner wall of the second vertical pipe.

[0010] Furthermore, a conical limiting platform is formed in the middle of the inner side of the second limiting flange, and an opening is provided in the center of the conical limiting platform. A filter sleeve is installed at the upper end of the second limiting flange.

[0011] Furthermore, a ball bearing is installed on the inner side of the second limiting flange. The ball bearing is located in the space between the conical limiting platform and the filter sleeve, and the ball bearing can close the opening.

[0012] Furthermore, the nozzle assembly includes a nozzle, a nozzle body, a rotating body, and a fan blade. The nozzle body is connected to the upper end of the third vertical pipe, and the nozzle is coaxially connected to the fan blade through the rotating body. The rotating body is rotatably mounted on the inner side of the nozzle body.

[0013] The beneficial effects of this utility model are as follows:

[0014] This utility model discloses a modified underground sprinkler device. A channel connecting the left and right interfaces is formed between the first vertical pipe and the bottom sealing pipe. By setting the water supply pipe to be higher than three vertical pipes, the underground sprinkler device can sense the initial water pressure from the water supply pipe, and can easily drive the underground sprinkler device to work when the water volume is low.

[0015] When not in use, the three vertical pipes can be retracted downwards and adjusted to the lower part of the water supply pipeline, which can reduce the amount of ground excavation and make installation more convenient.

[0016] In the device disclosed in this invention, various pipe materials utilize ABR material, which, compared to ordinary PVC, offers advantages such as superior low-temperature impact resistance and high ductility. This, in turn, improves the low-temperature performance of the modified buried sprinkler head device.

[0017] Other advantages, objectives, and features of this invention will be set forth in the following description and will be apparent to those skilled in the art to some extent, or may be learned by practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0018] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the following drawings are provided for illustration:

[0019] Figure 1 This is a schematic diagram of the nozzle assembly.

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0022] Figure 4 for Figure 1 Enlarged view of point C in the middle;

[0023] Figure 5 This is a schematic diagram of the structure when the three vertical tubes are contracted.

[0024] The following are the markings in the attached diagram: Pipe connector 1, left interface 2, upper interface 3, right interface 4, lower interface 5, extension pipe 6, bottom sealing pipe 7, first vertical pipe 8, second vertical pipe 9, third vertical pipe 10, nozzle assembly 11, first limiting flange 12, first annular groove 13, first sealing ring 14, first end cap 15, second end cap 16, second limiting flange 17, second sealing ring 18, conical limiting platform 19, opening 20, filter sleeve 21, ball bearing 22, nozzle 23, nozzle body 24, rotating body 25, fan blade 26. Detailed Implementation

[0025] like Figures 1-5 As shown, the present invention discloses a modified buried sprinkler head device, including a pipe connector 1. The pipe connector 1 has four interfaces, specifically, the pipe connector 1 has a left interface 2, an upper interface 3, a right interface 4 and a lower interface 5 arranged in a cross shape. The left interface 2 and the right interface 4 are coaxial and parallel to the horizontal plane, and the upper interface 3 and the lower interface 5 are coaxial and parallel to the vertical plane.

[0026] An extension tube 6 is formed inward from the upper interface 3. The extension tube 6 cannot completely close the left interface 2 or the lower interface 5. The lower interface 5 is fixedly connected to a bottom sealing tube 7. The lower end of the bottom sealing tube 7 extends downward and is closed.

[0027] The bottom sealing pipe 7 has a first vertical pipe 8, a second vertical pipe 9, and a third vertical pipe 10 arranged coaxially from the outside to the inside. The upper end of the first vertical pipe 8 is connected to the extension pipe 6, and the left interface 2 and the right interface 4 are connected to the water supply pipe. The first vertical pipe 8 and the bottom sealing pipe 7 form a channel that connects the left interface 2 and the right interface 4. The second vertical pipe 9 is slidably and sealed to the first vertical pipe 8, and the third vertical pipe 10 is slidably and sealed to the second vertical pipe 9. The upper end of the third vertical pipe 10 is connected to a nozzle assembly 11. The nozzle assembly 11 can adopt existing technology and spray water to the outside through the nozzle assembly 11.

[0028] The device disclosed in this utility model uses three coaxial vertical pipes, wherein the first vertical pipe 8 and the bottom sealing pipe 7 are spaced apart to form a channel connecting the left interface 2 and the right interface 4. Since the water supply pipe is set higher than the three vertical pipes, the buried sprinkler device can sense the initial water pressure from the water supply pipe, and can easily drive the buried sprinkler device to work when the water volume is low, with less water pressure requirement and more stable operation.

[0029] In this embodiment, the lower end of the second vertical pipe 9 is connected to a first limiting flange 12, which limits movement through the inner end face of the upper interface 3. By providing a detachable first limiting flange 12, not only can the upward movement of the second vertical pipe 9 be limited, but the installation and maintenance process is also simplified, labor costs are reduced, and the overall reliability of the device is improved.

[0030] In this embodiment, a first annular groove 13 is integrally formed on the outer end face of the upper interface 3. A first sealing ring 14 is installed on the inner side of the first annular groove 13, and a first end cap 15 is threadedly connected to the outer side of the first annular groove 13. The first end cap 15 is used to press the first sealing ring 14 tightly. This improves the sealing performance of the device. The first sealing ring 14, through the pressing action of the first end cap 15, ensures no leakage at the interface, making it particularly suitable for long-term buried applications. The threaded connection of the first end cap 15 makes the replacement and maintenance of the sealing ring more convenient, while also improving the durability and environmental adaptability of the device.

[0031] In this embodiment, a second end cap 16 is threadedly connected to the upper end of the second vertical pipe 9, and a second limiting flange 17 is connected to the lower end of the third vertical pipe 10. The second limiting flange 17 is limited by the second end cap 16. A second sealing ring 18 is installed on the outer side of the second limiting flange 17, and the second sealing ring 18 mates with the inner wall of the second vertical pipe 9. The mating of the second limiting flange 17 and the second end cap 16 ensures the stability and sealing of the third vertical pipe 10 during sliding, avoiding wear and leakage caused by sliding friction.

[0032] In this embodiment, a conical limiting platform 19 is formed in the middle of the inner side of the second limiting flange 17. An opening 20 is provided in the center of the conical limiting platform 19. A filter sleeve 21 is installed at the upper end of the second limiting flange 17, which can be used to filter the water supply, prevent the nozzle from being blocked, and facilitate subsequent maintenance.

[0033] In this embodiment, a ball bearing 22 is installed on the inner side of the second limiting flange 17. The ball bearing 22 is located in the space between the conical limiting platform 19 and the filter sleeve 21. The ball bearing 22 can close the opening 20. The water pressure in the water supply pipe needs to reach a certain level to push the ball bearing 22 open. By adopting the above method, the stability of the device during use can be increased.

[0034] In this embodiment, the nozzle assembly 11 includes a nozzle 23, a nozzle body 24, a rotating body 25, and a fan blade 26. The nozzle body 24 is connected to the upper end of the third vertical pipe 10. The nozzle 23 is coaxially connected to the fan blade 26 via the rotating body 25, which is rotatably mounted on the nozzle body 24. The presence of the fan blade 26 allows the rotating body 25 to be driven by the power of the water flow, thus achieving water conservation. This design is particularly suitable for large-area farmland irrigation, effectively improving irrigation efficiency while reducing energy consumption.

[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A modified buried sprinkler head device, characterized in that: The device includes a pipe connector with a left, upper, right, and lower interface arranged in a cross shape. The upper interface forms an extension pipe inward, and the lower interface is fixedly connected to a bottom sealing pipe. The lower end of the bottom sealing pipe extends downward. A first vertical pipe, a second vertical pipe, and a third vertical pipe are coaxially arranged from the outside to the inside of the bottom sealing pipe. The upper end of the first vertical pipe is connected to the extension pipe. The left and right interfaces are connected to a water supply pipe. A channel connecting the left and right interfaces is formed between the first vertical pipe and the bottom sealing pipe. The second vertical pipe is slidably and sealedly installed on the first vertical pipe, and the third vertical pipe is slidably and sealedly installed on the second vertical pipe. The upper end of the third vertical pipe is connected to a nozzle assembly.

2. The modified buried sprinkler head device according to claim 1, characterized in that: The lower end of the second vertical pipe is connected to a first limiting flange, which limits movement through the inner end face of the upper interface.

3. The modified buried sprinkler head device according to claim 2, characterized in that: The outer end face of the upper interface is integrally formed with a first annular groove, a first sealing ring is installed on the inner side of the first annular groove, and a first end cap is threadedly connected to the outer side of the first annular groove. The first end cap is used to press the first sealing ring tightly.

4. A modified buried sprinkler head device according to claim 3, characterized in that: The upper end of the second vertical pipe is threaded with a second end cap, and the lower end of the third vertical pipe is connected with a second limiting flange, which is limited by the second end cap.

5. A modified buried sprinkler head device according to claim 4, characterized in that: A second sealing ring is installed on the outside of the second limiting flange, and the second sealing ring mates with the inner wall of the second vertical pipe.

6. A modified buried sprinkler head device according to claim 5, characterized in that: A conical limiting platform is formed in the middle of the inner side of the second limiting flange, and an opening is provided in the center of the conical limiting platform. A filter sleeve is installed at the upper end of the second limiting flange.

7. A modified buried sprinkler head device according to claim 6, characterized in that: The inner side of the second limiting flange is equipped with ball bearings, which are located in the space between the conical limiting platform and the filter sleeve, and the ball bearings can close the opening.

8. A modified buried sprinkler head device according to any one of claims 1-7, characterized in that: The nozzle assembly includes a nozzle, a nozzle body, a rotating body, and a fan blade. The nozzle body is connected to the upper end of the third vertical pipe. The nozzle is coaxially connected to the fan blade through the rotating body. The rotating body is rotatably mounted on the inner side of the nozzle body.