CN113412775A - Garden lawn rotating rocker arm prevents spilling sprinkler outward - Google Patents
Garden lawn rotating rocker arm prevents spilling sprinkler outward Download PDFInfo
- Publication number
- CN113412775A CN113412775A CN202110867906.3A CN202110867906A CN113412775A CN 113412775 A CN113412775 A CN 113412775A CN 202110867906 A CN202110867906 A CN 202110867906A CN 113412775 A CN113412775 A CN 113412775A
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- fixing
- sprinkler
- water
- gear
- top end
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
Abstract
The invention relates to the technical field of garden irrigation, and discloses a garden lawn rotary rocker arm anti-external-sprinkling sprinkler which comprises a fixing mechanism, wherein the top end of the fixing mechanism is rotatably connected with a main body mechanism, the top end of the main body mechanism is fixedly provided with a driving mechanism, the fixing mechanism comprises a fixing pipe, fixing frames are fixedly arranged in the middle parts of two sides of the fixing pipe, a fixing disc is fixedly arranged on one side of each fixing frame, a connecting column is fixedly arranged at the bottom end of each fixing disc, and an arc-shaped rack is fixedly arranged at the bottom of one side of each connecting column. According to the invention, the water baffle can be driven to rotate through the matching arrangement between the movable ring and the convex block, so that the pressure reducing port and the water baffle are staggered, water in the water spraying head can respectively flow out of the water spraying port and the pressure reducing port, the pressure of the sprayed water is reduced, the water spraying lift is further reduced, the water is prevented from being sprayed out of the lawn, and the waste of water resources is avoided.
Description
Technical Field
The invention relates to the technical field of garden irrigation, in particular to an anti-outward-sprinkling water sprayer for a rotary rocker arm of a garden lawn.
Background
The lawn is a lawn which is artificially built or artificially maintained and managed to play a role in greening and beautifying, is one of the signs of civilization degree of a country and an city, is a ground cover which is covered by gramineous grass and other fine-texture plants and is filled with the soil surface layer by roots and stolons of the gramineous grass and other fine-texture plants, is suitable for beautifying the environment, landscapes, purifying air, maintaining water and soil and providing outdoor activities and sports places, needs to be frequently irrigated during maintenance of the lawn, and can automatically spray water by adopting a rotary lawn sprinkler during irrigation of most gardens.
Some garden lawns on the market today use rotary water jets:
(1) in-process watering the garden lawn, because the reason that the in-process lift of current rotatory sprayer at the water spray is fixed, the rotatory sprayer that is in the lawn edge is outside the lawn is easily spouted spun water at the in-process of water spray, makes the lawn periphery form ponding, not only can cause the waste to the water resource, still easily sprays the pedestrian of crossing the way.
We have therefore proposed a garden lawn rotary rocker anti-spill sprinkler to address the problems set forth above.
Disclosure of Invention
Technical problem to be solved
In view of the defects in the prior art in the background art, the present invention provides an anti-spill water sprayer for a garden lawn rotary rocker arm, so as to solve the problem that some garden lawn rotary rocker arm anti-spill water sprayers in the current market proposed in the background art are prone to spraying water out of the lawn.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a garden lawn rotating rocker anti-external-sprinkling sprinkler comprises a fixing mechanism, wherein the top end of the fixing mechanism is rotatably connected with a main body mechanism, a driving mechanism is fixedly mounted at the top end of the main body mechanism, the fixing mechanism comprises a fixing pipe, fixing frames are fixedly mounted in the middle parts of two sides of the fixing pipe, a fixing disc is fixedly mounted on one side of each fixing frame, a connecting column is fixedly mounted at the bottom end of each fixing disc, and an arc-shaped rack is fixedly mounted at the bottom of one side of each connecting column;
the main body mechanism comprises a main pipe body, spray pipes are fixedly mounted at the tops of two sides of the main pipe body, a water spraying mechanism is fixedly mounted at one end of each spray pipe, a fixed column is fixedly mounted at the top end of the main pipe body, a movable disc is rotatably connected to the outer side of the bottom end of the fixed column, a rotary spring is arranged on the outer side of the fixed column, a movable sleeve is fixedly mounted at the outer side of the top end of the fixed column, connecting frames are fixedly mounted at two sides of the movable sleeve, a driven mechanism is rotatably connected to the bottom of one side of each connecting frame, rocker arms are fixedly mounted at two sides of the top end of the movable disc, and a flow deflecting plate is fixedly mounted at one end of each rocker arm;
the driving mechanism comprises a mounting disc, a first rotating shaft is rotatably connected to two sides of the top end of the mounting disc, a first gear is fixedly mounted on the outer side of the first rotating shaft, a first wire spool is fixedly mounted on the top end of the first rotating shaft, and a steel wire rope is arranged on the outer side of the first wire spool;
the driven mechanism comprises a second rotating shaft, a second wire spool is fixedly mounted on the outer side of one end of the second rotating shaft, a second gear is fixedly mounted on one side, close to the second wire spool, of the outer side of the second rotating shaft, a connecting plate is fixedly mounted on one end, close to the second gear, of one side of the second rotating shaft, and a torque spring is arranged on the outer side of the other end of the second rotating shaft;
the water spraying mechanism comprises a water spraying head, a water spraying port is formed in one end of the water spraying head, a pressure reducing port is formed in the end, close to the bottom of the water spraying port, of the water spraying head, a third gear is connected to the outer side of the water spraying head in a rotating mode, a movable ring is connected to the inner portion of the water spraying head in a rotating mode, a water baffle is fixedly mounted on the inner side of the movable ring, and a protruding block is fixedly mounted on the outer side of the movable ring.
Preferably, pulleys are fixedly mounted on two sides of the mounting disc, and the steel wire rope is arranged on the outer sides of the pulleys.
Preferably, a winding post is fixedly mounted on one side of the second winding disc, and one end of the steel wire rope is fixed to the winding post.
Preferably, the connecting plate is L-shaped, the extending part of the torque spring is arranged on the inner side of the connecting plate, and one end of the torque spring is fixed with one side of the connecting frame.
Furthermore, the bottom of spliced pole is rotated with the top of mounting disc and is connected, the top of fixed column is fixed mutually with the bottom of mounting disc.
Furthermore, the first gear is meshed with the arc-shaped rack, and the second gear is meshed with the third gear.
Furthermore, the convex block is fixed with the inner side of the third gear, a sliding groove is formed in the outer side of the sprinkler head, and the sliding groove is matched with the convex block.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) the mounting disc can be driven to rotate in the process of spraying water by the main body mechanism, then through the matching arrangement of the arc-shaped rack, the mounting disc, the first rotating shaft and the first gear, the first wire spool can be driven to rotate so as to wind the steel wire rope, and in the process of winding the steel wire rope, then the third gear can be driven to rotate through the matching arrangement among the steel wire rope, the second rotating shaft, the second wire spool and the second gear, in the process of rotating the third gear, the water baffle can be driven to rotate through the matching arrangement between the movable ring and the convex block, thereby the pressure reducing port and the water baffle are staggered, the water in the sprinkler head can respectively flow out from the water spraying port and the pressure reducing port, the pressure of the sprayed water is reduced, thereby reducing the water spraying lift, preventing water from spraying out of the lawn and avoiding water resource waste.
(2) The pulley is arranged, so that the steel wire rope can be prevented from deviating when being wound and unwound, and the stability of the device in operation is ensured.
(3) One side through the second wire reel is provided with the wrapping post, messenger's wire rope tensioning that can be better prevents that wire rope from lax.
(3) The connecting plate is L-shaped, so that the connecting plate can be better matched with the torque spring, and the water baffle can be stably reset.
Drawings
FIG. 1 is a schematic overall perspective view of the garden lawn rotary rocker anti-spill water sprayer of the present invention;
FIG. 2 is a schematic perspective view of a mounting plate of the garden lawn rotary rocker anti-spill sprinkler of the present invention;
FIG. 3 is a schematic perspective view of a spray pipe of the garden lawn rotary rocker anti-spill sprinkler of the present invention;
FIG. 4 is a schematic perspective view of a water spraying mechanism of the garden lawn rotary rocker anti-spill water sprayer of the present invention;
FIG. 5 is a schematic sectional three-dimensional structure view of a water spraying mechanism of the garden lawn rotary rocker anti-spill water sprayer of the invention;
FIG. 6 is a schematic perspective view of a sprinkler head of the garden lawn rotary rocker anti-spill sprinkler of the present invention;
fig. 7 is a schematic perspective view of a movable ring of the garden lawn rotary rocker anti-external-sprinkling sprinkler of the present invention.
In the figure: 1. a fixing mechanism; 2. a main body mechanism; 3. a drive mechanism; 4. a fixed tube; 5. a fixed mount; 6. fixing the disc; 7. connecting columns; 8. an arc-shaped rack; 9. a primary tube; 10. a water spray pipe; 11. a water spraying mechanism; 12. fixing a column; 13. a movable tray; 14. a return spring; 15. a movable sleeve; 16. a connecting frame; 17. a driven mechanism; 18. a rocker arm; 19. a flow deflector; 20. mounting a disc; 21. a pulley; 22. a wire rope; 23. a first rotating shaft; 24. a first gear; 25. a first wire spool; 26. a second rotation shaft; 27. a second spool; 28. a second gear; 29. a connecting plate; 30. a torque spring; 31. a sprinkler head; 32. a water jet; 33. a decompression port; 34. a third gear; 35. a movable ring; 36. a water baffle; 37. a bump; 38. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a garden lawn rotary rocker arm anti-spill water sprayer; the fixing mechanism comprises a fixing mechanism 1, wherein the top end of the fixing mechanism 1 is rotatably connected with a main body mechanism 2, the top end of the main body mechanism 2 is fixedly provided with a driving mechanism 3, the fixing mechanism 1 comprises a fixing pipe 4, fixing frames 5 are fixedly arranged in the middle parts of two sides of the fixing pipe 4, a fixing disc 6 is fixedly arranged on one side of each fixing frame 5, a connecting column 7 is fixedly arranged at the bottom end of each fixing disc 6, and an arc-shaped rack 8 is fixedly arranged at the bottom of one side of each connecting column 7;
the main mechanism 2 comprises a main pipe body 9, the bottom end of the main pipe body 9 is arranged inside a fixed pipe 4, the tops of two sides of the main pipe body 9 are fixedly provided with spray pipes 10, the spray pipes 10 are obliquely arranged, one end of each spray pipe 10 is fixedly provided with a water spraying mechanism 11, the top end of the main pipe body 9 is fixedly provided with a fixed column 12, the outer side of the bottom end of the fixed column 12 is rotatably connected with a movable disc 13, the outer side of the fixed column 12 is provided with a rotary spring 14, the outer side of the top end of the fixed column 12 is fixedly provided with a movable sleeve 15, two sides of the movable sleeve 15 are fixedly provided with a connecting frame 16, the bottom of the connecting frame 16 is fixed with the top end of the spray pipe 10, the bottom of one side of the connecting frame 16 is rotatably connected with a driven mechanism 17, two sides of the top end of the movable disc 13 are fixedly provided with rocker arms 18, spring wires of the rotary spring 14 penetrate through one side of the rocker arms 18 and extend to the outside, and the two rocker arms 18 are arranged in a staggered manner, one end of the rocker arm 18 is fixedly provided with a deflector plate 19;
the driving mechanism 3 comprises a mounting disc 20, both sides of the top end of the mounting disc 20 are rotatably connected with a first rotating shaft 23, a first gear 24 is fixedly mounted on the outer side of the first rotating shaft 23, a first wire spool 25 is fixedly mounted on the top end of the first rotating shaft 23, and a steel wire rope 22 is arranged on the outer side of the first wire spool 25;
the driven mechanism 17 comprises a second rotating shaft 26, a second wire spool 27 is fixedly mounted on the outer side of one end of the second rotating shaft 26, a second gear 28 is fixedly mounted on the outer side of the second rotating shaft 26 close to one side of the second wire spool 27, a connecting plate 29 is fixedly mounted on one end of the second rotating shaft 26 close to one end of the second gear 28, and a torque spring 30 is arranged on the outer side of the other end of the second rotating shaft 26;
the water spraying mechanism 11 comprises a water spraying head 31, one end of the water spraying head 31 is provided with a water spraying port 32, a deflector 19 corresponds to the water spraying port 32, one end of the water spraying head 31 close to the bottom of the water spraying port 32 is provided with a pressure reducing port 33, the diameter of the pressure reducing port 33 is larger than that of the water spraying port 32, the outer side of the water spraying head 31 is rotatably connected with a third gear 34, the inner part of the water spraying head 31 is rotatably connected with a movable ring 35, the inner side of the movable ring 35 is fixedly provided with a water baffle 36, the water baffle 36 corresponds to the pressure reducing port 33, and the outer side of the movable ring 35 is fixedly provided with a lug 37;
according to the scheme shown in figure 1, as a preferred technical scheme of the invention: pulleys 21 are fixedly mounted on two sides of the mounting disc 20, and a steel wire rope 22 is arranged on the outer sides of the pulleys 21;
according to the scheme shown in figure 1, as a preferred technical scheme of the invention: a winding post is fixedly arranged on one side of the second winding disc 27, and one end of the steel wire rope 22 is fixed with the winding post;
according to the illustration in fig. 3, as a preferred embodiment of the present invention: the connecting plate 29 is L-shaped, the extending part of the torque spring 30 is arranged at the inner side of the connecting plate 29, and one end of the torque spring 30 is fixed with one side of the connecting frame 16;
according to the scheme shown in figure 1, as a preferred technical scheme of the invention: the bottom end of the connecting column 7 is rotatably connected with the top end of the mounting disc 20, and the top end of the fixing column 12 is fixed with the bottom end of the mounting disc 20;
according to the scheme shown in figure 1, as a preferred technical scheme of the invention: the first gear 24 is meshed with the arc-shaped rack 8, and the second gear 28 is meshed with the third gear 34;
according to fig. 5, as a preferred embodiment of the present invention: the protrusion 37 is fixed to the inner side of the third gear 34, a sliding groove 38 is formed on the outer side of the sprinkler head 31, and the sliding groove 38 is matched with the protrusion 37.
The working principle of the embodiment is as follows: when the garden lawn rotary rocker arm anti-spill water sprayer is used, as shown in fig. 1-7, the whole device is composed of a fixing mechanism 1, a main body mechanism 2, a driving mechanism 3, a water spraying mechanism 11 and a driven mechanism 17, in the process of spraying water, water flow sprayed out through a water spraying opening 32 continuously impacts a flow deflecting plate 19, so that the rocker arm 18 swings back and forth, the main pipe body 9 is driven to rotate, a mounting disc 20 is driven to rotate in the process of rotating the main pipe body 9, the mounting disc 20 rotates around a connecting column 7 when rotating, when a first gear 24 rotates to an arc-shaped rack 8, the arc-shaped rack 8 is meshed with the first gear 24, at the moment, the arc-shaped rack 8 drives a first winding disc 25 on a first rotating shaft 23 to rotate through the first gear 24, the first winding disc 25 tightens a steel wire rope 22 in the process of rotating, at the moment, the steel wire rope 22 drives a second winding disc 27 to rotate through the winding column, the second wire spool 27 drives the third gear 34 to rotate through the second gear 28 on the second rotating shaft 26 in the rotating process, the second rotating shaft 26 drives the extending part of the torque spring 30 to rotate through the connecting plate 29 in the rotating process, at this time, the third gear 34 drives the water baffle 36 on the movable ring 35 to rotate through the convex block 37 connected at the inner side, so that the pressure reducing port 33 and the water baffle 36 are dislocated, at this time, the water in the water spraying head 31 respectively flows out from the water spraying port 32 and the pressure reducing port 33, so that the pressure of the water is reduced, further, the water spraying lift is shortened, when the mounting plate 20 drives the first gear 24 to be separated from the arc-shaped rack 8, the torque spring 30 drives the second rotating shaft 26 to reset through the connecting plate 29, at this time, the second gear 28 drives the third gear 34 to reset, at this time, the water baffle 36 blocks the pressure reducing port 33 again, the water in the water spraying head 31 independently flows out from the water spraying port 32 again, the water pressure rises again and the head of the water jet becomes longer again, which is the working process of the whole device and the content which is not described in detail in the specification belongs to the prior art which is well known to the person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. The garden lawn rotating rocker anti-external-sprinkling sprinkler comprises a fixing mechanism (1) and is characterized in that the top end of the fixing mechanism (1) is rotatably connected with a main body mechanism (2), the top end of the main body mechanism (2) is fixedly provided with a driving mechanism (3), the fixing mechanism (1) comprises a fixing pipe (4), the middle parts of two sides of the fixing pipe (4) are respectively and fixedly provided with a fixing frame (5), one side of the fixing frame (5) is fixedly provided with a fixing disc (6), the bottom end of the fixing disc (6) is fixedly provided with a connecting column (7), and the bottom of one side of the connecting column (7) is fixedly provided with an arc-shaped rack (8);
the main body mechanism (2) comprises a main pipe body (9), the tops of two sides of the main pipe body (9) are fixedly provided with water spraying pipes (10), one end of the water spray pipe (10) is fixedly provided with a water spray mechanism (11), the top end of the main pipe body (9) is fixedly provided with a fixed column (12), a movable disc (13) is rotatably connected to the outer side of the bottom end of the fixed column (12), a rotary spring (14) is arranged on the outer side of the fixed column (12), a movable sleeve (15) is fixedly arranged on the outer side of the top end of the fixed column (12), both sides of the movable sleeve (15) are fixedly provided with connecting frames (16), the bottom of one side of each connecting frame (16) is rotatably connected with a driven mechanism (17), rocker arms (18) are fixedly mounted on two sides of the top end of the movable disc (13), and a flow deflecting plate (19) is fixedly mounted at one end of each rocker arm (18);
the driving mechanism (3) comprises a mounting disc (20), a first rotating shaft (23) is rotatably connected to two sides of the top end of the mounting disc (20), a first gear (24) is fixedly mounted on the outer side of the first rotating shaft (23), a first wire winding disc (25) is fixedly mounted on the top end of the first rotating shaft (23), and a steel wire rope (22) is arranged on the outer side of the first wire winding disc (25);
the driven mechanism (17) comprises a second rotating shaft (26), a second wire spool (27) is fixedly mounted on the outer side of one end of the second rotating shaft (26), a second gear (28) is fixedly mounted on the outer side of the second rotating shaft (26) close to one side of the second wire spool (27), a connecting plate (29) is fixedly mounted on one end of the second rotating shaft (26) close to one end of the second gear (28), and a torque spring (30) is arranged on the outer side of the other end of the second rotating shaft (26);
water spray mechanism (11) are including sprinkler bead (31), water jet (32) have been seted up to the one end of sprinkler bead (31), decompression mouth (33) have been seted up to the bottom that the one end of sprinkler bead (31) is close to water jet (32), the outside of sprinkler bead (31) is rotated and is connected with third gear (34), the internal rotation of sprinkler bead (31) is connected with activity ring (35), the inboard fixed mounting of activity ring (35) has breakwater (36), the outside fixed mounting of activity ring (35) has lug (37).
2. The garden lawn rotating rocker anti-overspray sprinkler as claimed in claim 1, wherein pulleys (21) are fixedly mounted on both sides of the mounting disc (20), and the steel wire rope (22) is disposed outside the pulleys (21).
3. The garden lawn rotating rocker arm anti-overspray sprinkler as claimed in claim 1, wherein a spool is fixedly mounted on one side of the second spool (27), and one end of the wire rope (22) is fixed with the spool.
4. The rotary rocker arm sprinkler according to claim 1, wherein the connecting plate (29) is L-shaped, the extension of the torsion spring (30) is disposed inside the connecting plate (29), and one end of the torsion spring (30) is fixed to one side of the connecting frame (16).
5. The garden lawn rotating rocker anti-overspray sprinkler as claimed in claim 1, characterized in that the bottom end of the connecting column (7) is rotatably connected with the top end of the mounting plate (20), and the top end of the fixing column (12) is fixed with the bottom end of the mounting plate (20).
6. The rotary rocker anti-overspray sprinkler for garden lawns as claimed in claim 1, characterized in that the first gear (24) is in meshing connection with the arc-shaped rack (8), and the second gear (28) is in meshing connection with the third gear (34).
7. The garden lawn rotating rocker anti-overspray sprinkler as claimed in claim 1, wherein the protrusion (37) is fixed to an inner side of the third gear (34), a sliding groove (38) is formed in an outer side of the sprinkler head (31), and the sliding groove (38) is matched with the protrusion (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867906.3A CN113412775A (en) | 2021-07-29 | 2021-07-29 | Garden lawn rotating rocker arm prevents spilling sprinkler outward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867906.3A CN113412775A (en) | 2021-07-29 | 2021-07-29 | Garden lawn rotating rocker arm prevents spilling sprinkler outward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113412775A true CN113412775A (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110867906.3A Pending CN113412775A (en) | 2021-07-29 | 2021-07-29 | Garden lawn rotating rocker arm prevents spilling sprinkler outward |
Country Status (1)
| Country | Link |
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| CN (1) | CN113412775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027139A (en) * | 2021-11-08 | 2022-02-11 | 邯郸市水利水电勘测设计研究院 | Irrigation and drainage integrated system |
| CN114158465A (en) * | 2021-12-03 | 2022-03-11 | 段志达 | Lawn sprinkler and using method thereof |
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| CN108144782A (en) * | 2017-11-17 | 2018-06-12 | 昆明理工大学 | One kind has the function of wind resistance shower head |
| CN210124183U (en) * | 2019-05-27 | 2020-03-06 | 乳山市正华农林科技示范园有限公司 | Watering device is planted to area adjustable tealeaves |
| CN213494449U (en) * | 2020-07-13 | 2021-06-22 | 山东鸿源润通节水灌溉有限公司 | Rocker arm spray head convenient to install |
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2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107409960A (en) * | 2017-08-04 | 2017-12-01 | 昆明理工大学 | A kind of controllable shower nozzle of range with wind resistance function |
| CN207463480U (en) * | 2017-11-02 | 2018-06-08 | 北京京水旺源园林绿化工程有限公司 | A kind of Rocker arm spray head |
| CN108144782A (en) * | 2017-11-17 | 2018-06-12 | 昆明理工大学 | One kind has the function of wind resistance shower head |
| CN210124183U (en) * | 2019-05-27 | 2020-03-06 | 乳山市正华农林科技示范园有限公司 | Watering device is planted to area adjustable tealeaves |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114027139A (en) * | 2021-11-08 | 2022-02-11 | 邯郸市水利水电勘测设计研究院 | Irrigation and drainage integrated system |
| CN114027139B (en) * | 2021-11-08 | 2023-03-14 | 邯郸市水利水电勘测设计研究院 | Irrigation and drainage integrated system |
| CN114158465A (en) * | 2021-12-03 | 2022-03-11 | 段志达 | Lawn sprinkler and using method thereof |
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Application publication date: 20210921 |