Dual-flow telescopic sprinkler
By using a dual-water-supply telescopic sprinkler to drive a sliding block with water pressure to raise and lower a secondary telescopic column, and combining it with a reverse water inlet to achieve automatic cleaning, the problem of complex installation and clogging of existing products has been solved, achieving a simplified structure and automatic cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN SHIJIYU WATER SAVING IRRIGATION EQUIP CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-03
AI Technical Summary
Existing ground telescopic sprinkler products require an external power or air source, resulting in high installation costs, numerous potential failure points, and easy clogging by mud and sand, necessitating frequent manual disassembly and cleaning.
It adopts a dual-water-supply telescopic sprayer, which uses water pressure to drive the sliding block to raise and lower the secondary telescopic column. Combined with the reverse water inlet, it achieves automatic cleaning and avoids complex mechanisms and silt blockage.
The simplified structure reduces costs, avoids the complexity of motor-driven systems, enables automatic cleaning, and extends the maintenance-free period.
Smart Images
Figure CN224439916U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water sprayer technology, and particularly relates to a dual-water-transport telescopic water sprayer. Background Technology
[0002] With the rapid development of precision agriculture, garden irrigation, and sports field lawn maintenance, the demand for "concealed, retractable, and highly reliable" ground retractable sprinklers is increasing. Existing products mainly rely on motor lead screws, spring return mechanisms, or pneumatic drives, and suffer from the following common defects:
[0003] 1. The lifting mechanism is complex: it requires an external power or air supply, resulting in high installation costs and numerous potential points of failure.
[0004] 2. Mud and sand blockage: The lifting chamber and nozzle are easily invaded by sand and soil, requiring frequent manual disassembly and cleaning.
[0005] Therefore, we proposed a dual-water-transport telescopic sprinkler. Utility Model Content
[0006] To address the aforementioned problems, the purpose of this invention is to provide a dual-water-carrying telescopic sprayer.
[0007] To achieve the above objectives, this utility model proposes a dual-water-transmitting telescopic sprinkler, including a base and a primary telescopic column mounted on the base. A secondary telescopic column is mounted on the primary telescopic column and inserted into the primary telescopic column. A telescopic assembly is mounted on the primary telescopic column, and the telescopic assembly is used to extend and retract the secondary telescopic column inserted into the primary telescopic column in the vertical direction.
[0008] Preferably, the telescopic assembly includes a sliding stroke cavity, a sliding block, a cap, a reverse water inlet, a gap, a sealing groove, a sealing ring, and a water inlet. The sliding stroke cavity is opened inside the primary telescopic column, the cap is set on the upper end face of the primary telescopic column, and one end of the secondary telescopic column passes through the cap and is inserted into the sliding stroke cavity inside the primary telescopic column.
[0009] Preferably, the sliding block is disposed at the bottom end of the secondary telescopic column, the gap is located between the sliding block and the inner wall of the sliding stroke cavity, and the sealing groove is formed on the upper and lower end faces of the inner side of the sliding stroke cavity.
[0010] Preferably, the upper and lower end faces of the sliding block are respectively provided with slots, the sealing ring is disposed inside the slots, the reverse water inlet is disposed on the cap and communicates with the sliding stroke cavity, and the water inlet is disposed on the base and communicates with the sliding stroke cavity.
[0011] Preferably, the sealing ring provided on the sliding block corresponds to the sealing grooves on the upper and lower end faces of the inner side of the sliding stroke cavity, and the size of the sealing ring is adapted to the size of the slot and the sealing groove.
[0012] Preferably, the top of the secondary telescopic column is provided with a rotating nozzle, and the rotating nozzle is provided with a main nozzle and a secondary nozzle.
[0013] The dual-water-carrying telescopic sprinkler proposed in this utility model can bring the following beneficial effects:
[0014] The sliding block is driven by the water pressure entering through the inlet, which smoothly raises the secondary telescopic column. This eliminates the need for complex mechanisms such as motors, lead screws, and springs, resulting in a minimalist structure and significantly reduced costs. After irrigation, the water source is switched to the reverse inlet, and the reverse water flow pushes the sliding block, causing the secondary telescopic column to retract quickly. This overcomes the problem of incomplete retraction in traditional products that rely on gravity. The entire raising and lowering process of the secondary telescopic column does not require disassembly; the internal cavity and nozzles are self-cleaned simultaneously during each raising and lowering operation, significantly reducing the risk of clogging and extending the maintenance-free period. Attached Figure Description
[0015] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.
[0016] In the attached diagram:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a perspective view of the extended two-stage telescopic column of this utility model;
[0019] Figure 3 This is a cross-sectional view of the present invention;
[0020] Figure 4 For the present utility model Figure 3 Enlarged view of point A in the middle;
[0021] Figure 5 This is a cross-sectional view of the extended secondary telescopic column of this utility model.
[0022] In the picture:
[0023] 1. Base; 2. Primary telescopic column; 3. Secondary telescopic column; 4. Telescopic assembly; 41. Sliding stroke cavity; 42. Sliding block; 43. Cap; 44. Reverse water inlet; 45. Gap; 46. Sealing groove; 47. Sealing ring; 48. Water inlet; 5. Rotating nozzle; 6. Main nozzle; 7. Secondary nozzle. Detailed Implementation
[0024] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.
[0025] like Figures 1-5 As shown, an embodiment of this utility model proposes a dual-water-transmitting telescopic sprinkler, including a base 1 and a primary telescopic column 2 disposed on the base 1. A secondary telescopic column 3 is disposed on the primary telescopic column 2 and inserted into the primary telescopic column 2. A telescopic component 4 is disposed on the primary telescopic column 2, and the telescopic component 4 is used to extend and retract the secondary telescopic column 3 inserted into the primary telescopic column 2 in the vertical direction.
[0026] The telescopic assembly 4 includes a sliding stroke cavity 41, a sliding block 42, a cap 43, a reverse water inlet 44, a gap 45, a sealing groove 46, a sealing ring 47, and a water inlet 48. The sliding stroke cavity 41 is opened inside the first-stage telescopic column 2. The cap 43 is set on the upper end face of the first-stage telescopic column 2. One end of the second-stage telescopic column 3 passes through the cap 43 and is inserted into the sliding stroke cavity 41 inside the first-stage telescopic column 2.
[0027] The sliding block 42 is located at the bottom end of the secondary telescopic column 3, the gap 45 is located between the sliding block 42 and the inner wall of the sliding stroke cavity 41, and the sealing groove 46 is formed on the upper and lower end faces of the inner side of the sliding stroke cavity 41.
[0028] The upper and lower end faces of the sliding block 42 are respectively provided with slots, the sealing ring 47 is provided inside the slots, the reverse water inlet 44 is provided on the cap 43, the reverse water inlet 44 communicates with the sliding stroke cavity 41, the water inlet 48 is provided on the base 1, and the water inlet 48 communicates with the sliding stroke cavity 41.
[0029] In this embodiment, the primary telescopic column 2, equipped with the secondary telescopic column 3, is first buried at the target location. Then, it is connected to the water inlet 48 on the base 1 via a connecting pipe. Next, the connecting pipe is connected to a water pump, which is connected to a water source via a water pipe. The water pump is then started, and it transports water from the water source to the sliding stroke cavity 41 inside the primary telescopic column 2 via the water pipe and connecting pipe. The water inside the sliding stroke cavity 41 provides an upward thrust to the sliding block 42 located inside the sliding stroke cavity 41. At this time, the secondary telescopic column 3 moves along the sliding block 42... As the sliding stroke cavity 41 moves upward, the water inside the sliding stroke cavity 41 provides an upward thrust to the sliding block 42. Simultaneously, the water below the sliding block 42 inside the sliding stroke cavity 41 is transported through the gap 45 between the sliding block 42 and the inner wall of the sliding stroke cavity 41 to the area above the sliding block 42 inside the sliding stroke cavity 41. The water above the sliding block 42 sprays the sand above the sliding block 42 inside the sliding stroke cavity 41 out through the reverse water inlet 44. When the sliding block 42 moves upward to the end of its stroke, the sealing ring 47 on the sliding block 42 presses against the inside of the sliding stroke cavity 41. Inside the sealing groove 46 at the top side, the water inside the sliding stroke cavity 41 will no longer flow from the gap 45 to the reverse inlet 44. When irrigation is finished, remove the water pump from the water pipe at the inlet 48, then connect the water pump to the reverse inlet 44 via the water pipe and start the water pump. The water pump will deliver water from the water source to the inside of the sliding stroke cavity 41. The water delivered to the inside of the sliding stroke cavity 41 will provide a downward pressure on the secondary telescopic column 3 through the sliding block 42, which will allow the secondary telescopic column 3 to quickly return to its initial position. The water inside the sliding stroke cavity 41... While applying downward pressure to the sliding block 42, water inside the sliding stroke cavity 41 is transported to the area below the sliding block 42 through the gap 45. At this time, the water below the sliding block 42 cleans the sand and soil inside the sliding stroke cavity 41. The mixture of cleaned sand and water is sprayed out from the inlet 48. When the secondary telescopic column 3 returns to its initial position, the sealing ring 47 on the sliding block 42 presses against the sealing groove 46 at the bottom of the inner side of the sliding stroke cavity 41. At this time, the water inside the sliding stroke cavity 41 will no longer flow from the gap 45 to the inlet 48.
[0030] The water pressure entering through the inlet 48 alone is enough to push the sliding block 42, causing the secondary telescopic column 3 to rise smoothly. This eliminates the need for complex mechanisms such as motors, lead screws, and springs, resulting in a minimalist structure and significantly reduced costs. After irrigation, the water source is switched to the reverse inlet 44, and the water flow reverses, pushing the sliding block 42 to quickly retract the secondary telescopic column 3. This overcomes the problem of incomplete retraction of the secondary telescopic column 3 caused by the reliance on gravity for retraction in traditional products. The entire process of raising and lowering the secondary telescopic column 3 does not require disassembly, and the internal cavity and nozzles can be self-cleaned simultaneously during each raising and lowering operation, significantly reducing the risk of clogging and extending the maintenance-free period.
[0031] The sealing ring 47 on the sliding block 42 corresponds to the sealing groove 46 on the upper and lower end faces of the inner side of the sliding stroke cavity 41, and the size of the sealing ring 47 is adapted to the size of the slot and the sealing groove 46. The adapted size of the sealing groove 46, the slot and the sealing groove 46 can improve the sealing performance between the sliding block 42 and the upper and lower end faces of the inner side of the sliding stroke cavity 41 when the sliding block 42 moves to the upper and lower end faces of the inner side of the sliding stroke cavity 41.
[0032] The top of the secondary telescopic column 3 is equipped with a rotating nozzle 5, which has a main nozzle 6 and a secondary nozzle 7. The rotating nozzle 5, main nozzle 6, and secondary nozzle 7 are used to irrigate the irrigation area.
[0033] When the sliding block 42 rises to its position, the upper sealing ring 47 is embedded in the upper sealing groove 46 to prevent high-pressure water from continuing to leak from the gap 45, ensuring the rated working pressure of the main nozzle 6 and the auxiliary nozzle 7. When it falls to its position, the lower sealing ring is embedded in the lower sealing groove to prevent mud and sand from flowing back into the cavity, ensuring smoothness and sealing reliability for the next start-up.
[0034] It should be noted that the water spraying irrigation of the rotating sprinkler head 5 is not considered an improvement in the technical solution of this application. For the specific principle, please refer to existing technologies such as the applicant's prior applications, including "Submerged Rotary Sprinkler" (application number "201320826515.8"), "Submerged Rotary Sprinkler" (application number "201420601534.5"), and "A Rotary Sprinkler for Submerged Rising and Falling Irrigation" (application number "202220776141.2"). In use, the sprinkler head is simply connected to the upper opening of the secondary telescopic column 3.
[0035] Working principle:
[0036] First, the primary telescopic column 2, equipped with the secondary telescopic column 3, is buried at the target location. Then, it is connected to the water inlet 48 on the base 1 via a connecting pipe. Next, the connecting pipe is connected to the water pump, which is connected to the water source via a water pipe. The water pump is then started, and it transports water from the water source to the sliding stroke cavity 41 inside the primary telescopic column 2 through the water pipe and connecting pipe. The water inside the sliding stroke cavity 41 provides an upward thrust to the sliding block 42 located inside the sliding stroke cavity 41. At this time, the secondary telescopic column 3 moves upward along the sliding stroke cavity 41 via the sliding block 42. The water inside the sliding stroke cavity 41 exerts an upward thrust on the sliding block 42. While block 42 provides an upward thrust, water below the sliding block 42 inside the sliding stroke cavity 41 is transported through the gap 45 between the sliding block 42 and the inner wall of the sliding stroke cavity 41 to the area above the sliding block 42 inside the sliding stroke cavity 41. The water above the sliding block 42 sprays the sand above the sliding block 42 inside the sliding stroke cavity 41 out through the reverse water inlet 44. When the sliding block 42 moves to the end of its stroke, the sealing ring 47 on the sliding block 42 presses against the sealing groove 46 at the top of the inner side of the sliding stroke cavity 41. At this time, the water inside the sliding stroke cavity 41 will no longer flow from the gap 45 to the reverse water inlet. 44. Simultaneously, water located below the sliding block 42 inside the sliding stroke cavity 41 is transported to the rotating nozzle 5. The water at the rotating nozzle 5 is sprayed out through the main nozzle 6 and the auxiliary nozzle 7 to irrigate the target area. When irrigation is finished, the water pump is removed from the water pipe at the inlet 48, and then the water pump is connected to the reverse inlet 44 through the water pipe. The water pump is started, and the water pump transports water from the water source to the inside of the sliding stroke cavity 41. The water transported to the inside of the sliding stroke cavity 41 provides a downward pressure to the secondary telescopic column 3 through the sliding block 42, which allows the secondary telescopic column 3 to quickly recover. When the sliding stroke cavity 41 returns to its initial position, the water inside the sliding stroke cavity 41 provides downward pressure to the sliding block 42. At the same time, the water inside the sliding stroke cavity 41 is transported to the bottom of the sliding block 42 through the gap 45. At this time, the water below the sliding block 42 will clean the sand and soil inside the sliding stroke cavity 41. The mixture of cleaned sand and water will be sprayed out from the water inlet 48. When the secondary telescopic column 3 returns to its initial position, the sealing ring 47 on the sliding block 42 presses against the sealing groove 46 at the bottom of the inner side of the sliding stroke cavity 41. At this time, the water inside the sliding stroke cavity 41 will no longer flow from the gap 45 to the water inlet 48.
Claims
1. A double water-supply telescopic water sprayer comprising a base (1) and a first telescopic column (2) arranged on the base (1), a second telescopic column (3) being arranged on the first telescopic column (2), characterized in that, The secondary telescopic column (3) is inserted on the primary telescopic column (2), and the primary telescopic column (2) is provided with a telescopic component (4). The telescopic component (4) is used to extend and retract the secondary telescopic column (3) inserted on the primary telescopic column (2) in the vertical direction.
2. The dual water-inlet expansion spray of claim 1, wherein, The telescopic assembly (4) includes a sliding stroke cavity (41), a sliding block (42), a cap (43), a reverse water inlet (44), a gap (45), a sealing groove (46), a sealing ring (47), and a water inlet (48). The sliding stroke cavity (41) is opened inside the first-stage telescopic column (2). The cap (43) is set on the upper end face of the first-stage telescopic column (2). One end of the second-stage telescopic column (3) passes through the cap (43) and is inserted into the sliding stroke cavity (41) inside the first-stage telescopic column (2).
3. The dual water-inlet expansion spray of claim 2, wherein, The sliding block (42) is located at the bottom end of the secondary telescopic column (3), the gap (45) is located between the sliding block (42) and the inner wall of the sliding stroke cavity (41), and the sealing groove (46) is opened on the upper and lower end faces of the inner side of the sliding stroke cavity (41).
4. The dual water-inlet expansion spray of claim 2, wherein, The upper and lower end faces of the sliding block (42) are respectively provided with slots, the sealing ring (47) is provided inside the slots, the reverse water inlet (44) is provided on the cap (43), the reverse water inlet (44) is connected to the sliding stroke cavity (41), the water inlet (48) is provided on the base (1), and the water inlet (48) is connected to the sliding stroke cavity (41).
5. The dual water feed expansion spray of claim 2, wherein, The sealing ring (47) provided on the sliding block (42) corresponds to the sealing groove (46) on the upper and lower end faces of the inner side of the sliding stroke cavity (41), and the size of the sealing ring (47) is adapted to the size of the slot and the sealing groove (46).
6. The dual water feed expansion spray of claim 1 wherein, The top of the secondary telescopic column (3) is provided with a rotating nozzle (5), and the rotating nozzle (5) is provided with a main nozzle (6) and a secondary nozzle (7).