CN111375501A - Sprinkler head that irrigation used - Google Patents

Sprinkler head that irrigation used Download PDF

Info

Publication number
CN111375501A
CN111375501A CN202010282719.4A CN202010282719A CN111375501A CN 111375501 A CN111375501 A CN 111375501A CN 202010282719 A CN202010282719 A CN 202010282719A CN 111375501 A CN111375501 A CN 111375501A
Authority
CN
China
Prior art keywords
disc
rotating pipe
pipe
rotating
conical spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010282719.4A
Other languages
Chinese (zh)
Inventor
王兴民
姬红旗
李益超
王林
崔家红
王继龙
李春礼
丁杰
杨莲芝
蔡义华
段刘勇
刘亚坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010282719.4A priority Critical patent/CN111375501A/en
Publication of CN111375501A publication Critical patent/CN111375501A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0422Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Nozzles (AREA)

Abstract

The invention discloses a sprinkler head for irrigation, which comprises a connecting pipe, a rotating assembly arranged on the connecting pipe, an automatic flow regulating assembly arranged in the rotating assembly, and a sprinkling irrigation assembly connected with the rotating assembly, wherein the rotating assembly is arranged on the connecting pipe; the turbine type self-rotating sprinkler head is adopted, the structure is simple, automatic rotary sprinkling can be realized, the area is large, the uniformity is good, and the application range is wide; the automatic flow regulating assembly can automatically regulate the flow according to the water pressure, so that the flow of the spray head with the larger water pressure is consistent with that of the spray head with the smaller water pressure, and the water utilization efficiency is improved.

Description

Sprinkler head that irrigation used
Technical Field
This open chain belongs to irrigation technical field, specifically is a sprinkler bead that irrigation used.
Background
As the underground water level is continuously reduced, the agricultural irrigation can not use the large water for flood irrigation, and the increase of the agricultural investment makes the water-saving irrigation imperative and irresistible. In recent years, new technologies such as sprinkling irrigation and infiltrating irrigation are used in some areas, at present, rocker arm type sprinkling irrigation heads are used for sprinkling irrigation more frequently, the sprinkling irrigation heads swing in a fan-shaped reciprocating mode, deflector rods are used for cutting off water flow, the sprinkling angle is small, water drops are uneven, and accumulated water is easy to generate under a sprinkling irrigation head support. In addition, in the existing sprinkling irrigation technology, the flow rates of a plurality of spray heads are different, the spray head close to a water source has large water pressure and large flow rate, the spray head far away from the water source has small water pressure and small flow rate, so that the integral land is not uniformly sprinkled, and the water utilization efficiency is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a water spraying head for water conservancy irrigation.
The technical scheme adopted by the invention is as follows: a sprinkler head for irrigation comprises a connecting pipe, a rotating assembly, an automatic flow adjusting assembly and a sprinkling irrigation assembly;
one end of the connecting pipe is provided with an external thread and an internal thread, the external thread is used for connecting a water delivery pipe, and the internal thread is used for connecting a rotating assembly;
the rotating assembly comprises a first disc, a rotating pipe, a turbine and a closed bearing; a plurality of through holes are uniformly formed in the first disc along the circumferential direction, the through holes are inclined, a blind hole is formed in the center of the first disc, external threads are arranged on the circumferential surface of the first disc and are matched with the internal threads on the connecting pipe, the first disc is fixed in the connecting pipe, and the blind hole in the first disc is far away from the external thread end of the connecting pipe; one end of the rotating pipe is closed, and the other end of the rotating pipe is opened, the closed end of the rotating pipe is rotatably connected with the blind hole in the first disc, the open end of the rotating pipe extends out of the connecting pipe, the open end of the rotating pipe is provided with an external thread and an internal thread, the external thread is used for connecting the sprinkling irrigation assembly, the internal thread is used for connecting the automatic flow adjusting assembly, and the peripheral surface of the rotating pipe is provided with a; the turbine is fixed on the rotating pipe, is positioned at the lower end of the hollow groove of the rotating pipe strand and is close to the first disc; the closed bearing is arranged on the connecting pipe, the inner ring of the closed bearing is fixedly connected with the rotating pipe, and the outer ring of the closed bearing is fixedly connected with the top end of the connecting pipe; the flowing water passes through the through holes on the first disc, the water flowing out of the through holes is sprayed and pressed on the turbine, the turbine is stressed to rotate and drives the rotating pipe to rotate, and the water sealed by the sealed bearing flows into the rotating pipe through the hollow groove;
the automatic flow regulating assembly comprises a conical spring, a second disc and a third disc; the conical spring is in a conical shape in a free state, the loop diameter of the conical spring is gradually reduced from one end to the other end, the wire diameter of an elastic strip forming the conical spring is gradually increased from the larger loop diameter end to the smaller loop diameter end, and the stiffness coefficient of the conical spring is gradually increased; the second disc is fixedly arranged at the larger end of the diameter of the conical spring ring, the second disc comprises a circular ring and a plurality of connecting rods, wherein the outer peripheral surface of the circular ring is provided with external threads which are matched with the internal threads on the rotating pipe; the third disc is fixedly arranged at the smaller end of the diameter of the conical spring ring; the second disc, the conical spring and the third disc are sequentially connected to form an automatic flow regulating assembly, the automatic flow regulating assembly is arranged inside the rotating pipe, the third disc faces downwards, the second disc faces upwards, external threads on the second disc are matched with internal threads on the rotating pipe, and the automatic flow regulating assembly is fixed inside the rotating pipe; the water pressure in the rotating pipe punches the third disc and compresses the conical spring, the conical spring is elastically deformed from the end with the larger circle diameter to the end with the smaller circle diameter sequentially due to different stiffness coefficients at two ends of the conical spring, the smaller the water pressure is, the fewer the turns of the conical spring are superposed on the second disc, the smaller the closure of the water flowing port of the second disc is, and the less the flow of water is limited; the higher the water pressure is, the more the turns of the conical spring are superposed on the second disc, the more the water flowing port of the second disc is sealed, the larger the water flow is limited, and the flow of the sprayer with the higher water pressure is basically consistent with that of the sprayer with the lower water pressure, so that the purpose of automatically adjusting the flow is achieved;
the spray irrigation assembly comprises a connecting piece and a nozzle, wherein the connecting piece is hemispherical, an internal thread is arranged on the connecting piece, the internal thread is matched with an external thread on a rotating pipe, the connecting piece is connected with the rotating pipe through the internal thread, the nozzle is a plurality of, a plurality of nozzles are fixedly arranged on the outer surface of the connecting piece, the elevation angles of the plurality of nozzles are different, the distance of the nozzle with the larger elevation angle for spraying is far away, and the distance of the nozzle with the smaller elevation angle for spraying is near.
Further, the conical spring can be compressed into a flat surface with a slight gap between each turn.
Furthermore, a sealing gasket is arranged at the joint of the connecting piece and the rotating pipe.
Furthermore, a filter screen is arranged in the connecting piece.
The invention has the beneficial effects that: the invention adopts the turbine type self-rotating sprinkler head, has simple structure, large area, good uniformity and wide application range, and can realize automatic rotary sprinkling. The automatic flow regulating assembly is arranged in the invention, and can automatically regulate the flow according to the water pressure, so that the flow of the spray head with higher water pressure is basically consistent with that of the spray head with lower water pressure, and the water utilization efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the appearance structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic diagram of an exploded structure of the present invention.
Fig. 4 is a schematic exploded view of the automatic flow rate adjustment assembly according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
A sprinkler head for irrigation comprises a connecting pipe 1, a rotating component 2, an automatic flow adjusting component 3 and a sprinkling irrigation component 4;
one end of the connecting pipe 1 is provided with an external thread 5 and an internal thread 6, the external thread 5 is used for connecting a water delivery pipe, and the internal thread 6 is used for connecting the rotating component 2;
the rotating assembly 2 comprises a first disc 7, a rotating pipe 8, a turbine 9 and a closed bearing 10; a plurality of through holes 11 are uniformly formed in the first disc 7 along the circumferential direction, the through holes 11 are inclined, a blind hole is formed in the center of the first disc 7, external threads 12 are formed in the circumferential surface of the first disc 7, the external threads 12 are matched with the internal threads 6 on the connecting pipe 1, the first disc 7 is fixed inside the connecting pipe 1, and the blind hole in the first disc 7 is far away from the external thread end 5 of the connecting pipe 1; one end of the rotating pipe 8 is closed, and the other end of the rotating pipe is opened, the closed end of the rotating pipe is rotatably connected with the blind hole in the first disc 7, the open end of the rotating pipe extends out of the connecting pipe 1, the open end of the rotating pipe 8 is provided with an external thread 13 and an internal thread, the external thread 13 is used for connecting the sprinkling irrigation component 4, the internal thread is used for connecting the automatic flow regulating component 3, and the peripheral surface of the rotating pipe 8 is provided with a hollow; the turbine 9 is fixed on the rotating pipe 8, and the turbine 9 is positioned at the lower end of the hollow groove 14 of the rotating pipe strand and close to the first disc 7; the closed bearing 10 is arranged on the connecting pipe 1, the inner ring of the closed bearing 10 is fixedly connected with the rotating pipe 8, and the outer ring of the closed bearing 10 is fixedly connected with the top end of the connecting pipe 1; the flowing water passes through the through holes 11 on the first disc 7, the water flowing out of the through holes 11 is sprayed and pressed on the turbine 9, the turbine 9 is forced to rotate and drives the rotating pipe 8 to rotate, and the water sealed by the sealing bearing 10 flows into the rotating pipe 8 through the hollow thread groove 14;
the automatic flow regulating assembly 3 comprises a conical spring 15, a second disc 16 and a third disc 17; the conical spring 15 is conical in shape in a free state, the loop diameter of the conical spring 15 gradually decreases from one end to the other end, the wire diameter of the elastic strip forming the conical spring 15 gradually increases from the larger loop diameter end 19 to the smaller loop diameter end 18, and the stiffness coefficient of the conical spring 15 gradually increases; the second disc 16 is fixedly arranged at the larger diameter end 19 of the conical spring 15, the second disc 16 comprises a circular ring 20 and a plurality of connecting rods 21, wherein the outer circumferential surface of the circular ring 20 is provided with an external thread 22, the external thread 22 is matched with the internal thread on the rotating pipe 8, the plurality of connecting rods 21 are connected to the inner circumferential surface of the circular ring 20, and gaps among the plurality of connecting rods 21 are water flowing ports; the third disc 17 is fixedly arranged at the smaller end 18 of the diameter of the ring of the conical spring 15; the second disc 16, the conical spring 15 and the third disc 17 are sequentially connected to form the automatic flow regulating assembly 3, the automatic flow regulating assembly 3 is arranged in the rotating pipe 8, the third disc 17 faces downwards, the second disc 16 faces upwards, the external threads 22 on the second disc 16 are matched with the internal threads on the rotating pipe 8 to fix the automatic flow regulating assembly 3 in the rotating pipe 8; the water pressure in the rotating pipe 8 presses the third disc 17 and compresses the conical spring 15, the conical spring 15 elastically deforms sequentially from the larger-diameter end 19 to the smaller-diameter end 18 of the coil diameter due to different stiffness coefficients of the two ends of the conical spring 15, the smaller the water pressure is, the fewer the number of turns of the conical spring 15 superposed on the second disc 16 is, the smaller the closure of the water flowing port of the second disc 16 is, and the less the flow of water is limited; the higher the water pressure is, the more the conical spring 15 is superposed on the second disc 16, the more the water flow port of the second disc 16 is sealed, the larger the water flow is limited, and the flow of the sprayer with the higher water pressure is basically consistent with that of the sprayer with the lower water pressure, so that the purpose of automatically adjusting the flow is achieved;
sprinkling irrigation subassembly 4 includes connecting piece 23 and nozzle 24, connecting piece 23 is the hemisphere, is equipped with internal thread 25 on the connecting piece 23, and external screw thread 13 phase-match on this internal thread 25 and the bull pipe 8, connecting piece 23 is connected with the bull pipe 8 through internal thread 25, nozzle 24 is a plurality of, and a plurality of nozzle 24 is fixed to be set up on connecting piece 23 surface, and a plurality of nozzle 24's angle of elevation is inequality, and the great nozzle 24 of angle of elevation sprays the distance far away, and the less nozzle 24 of angle of elevation sprays the distance near.
Further, the conical spring 15 can be compressed into a flat surface with a slight gap between each turn.
Furthermore, a sealing gasket is arranged at the joint of the connecting piece 23 and the rotating pipe 8.
Further, a filter screen is arranged in the connecting piece 23.

Claims (4)

1. The utility model provides a sprinkler bead that irrigation used, includes connecting pipe, runner assembly, flow automatically regulated subassembly, sprinkling irrigation subassembly, characterized by:
one end of the connecting pipe is provided with an external thread and an internal thread, the external thread is used for connecting a water delivery pipe, and the internal thread is used for connecting a rotating assembly;
the rotating assembly comprises a first disc, a rotating pipe, a turbine and a closed bearing; a plurality of through holes are uniformly formed in the first disc along the circumferential direction, the through holes are inclined, a blind hole is formed in the center of the first disc, external threads are arranged on the circumferential surface of the first disc and are matched with the internal threads on the connecting pipe, the first disc is fixed in the connecting pipe, and the blind hole in the first disc is far away from the external thread end of the connecting pipe; one end of the rotating pipe is closed, and the other end of the rotating pipe is opened, the closed end of the rotating pipe is rotatably connected with the blind hole in the first disc, the open end of the rotating pipe extends out of the connecting pipe, the open end of the rotating pipe is provided with an external thread and an internal thread, the external thread is used for connecting the sprinkling irrigation assembly, the internal thread is used for connecting the automatic flow adjusting assembly, and the peripheral surface of the rotating pipe is provided with a; the turbine is fixed on the rotating pipe, is positioned at the lower end of the hollow groove of the rotating pipe strand and is close to the first disc; the closed bearing is arranged on the connecting pipe, the inner ring of the closed bearing is fixedly connected with the rotating pipe, and the outer ring of the closed bearing is fixedly connected with the top end of the connecting pipe;
the automatic flow regulating assembly comprises a conical spring, a second disc and a third disc; the conical spring is in a conical shape in a free state, the loop diameter of the conical spring is gradually reduced from one end to the other end, the wire diameter of an elastic strip forming the conical spring is gradually increased from the larger loop diameter end to the smaller loop diameter end, and the stiffness coefficient of the conical spring is gradually increased; the second disc is fixedly arranged at the larger end of the diameter of the conical spring ring, the second disc comprises a circular ring and a plurality of connecting rods, wherein the outer peripheral surface of the circular ring is provided with external threads which are matched with the internal threads on the rotating pipe; the third disc is fixedly arranged at the smaller end of the diameter of the conical spring ring; the second disc, the conical spring and the third disc are sequentially connected to form an automatic flow regulating assembly, the automatic flow regulating assembly is arranged inside the rotating pipe, the third disc faces downwards, the second disc faces upwards, external threads on the second disc are matched with internal threads on the rotating pipe, and the automatic flow regulating assembly is fixed inside the rotating pipe;
the spray irrigation assembly comprises a connecting piece and a nozzle, the connecting piece is hemispherical, an internal thread is arranged on the connecting piece, the internal thread is matched with an external thread on the rotating pipe, the connecting piece is connected with the rotating pipe through the internal thread, the nozzle is a plurality of, the plurality of nozzles are fixedly arranged on the outer surface of the connecting piece, and the elevation angles of the plurality of nozzles are different.
2. A sprinkler head for irrigation according to claim 1 and further characterised in that: the conical spring can be compressed into a flat surface with a slight gap between each turn.
3. A sprinkler head for irrigation according to claim 1 and further characterised in that: and a sealing gasket is arranged at the joint of the connecting piece and the rotating pipe.
4. A sprinkler head for irrigation according to claim 1 and further characterised in that: a filter screen is arranged in the connecting piece.
CN202010282719.4A 2020-04-12 2020-04-12 Sprinkler head that irrigation used Pending CN111375501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010282719.4A CN111375501A (en) 2020-04-12 2020-04-12 Sprinkler head that irrigation used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010282719.4A CN111375501A (en) 2020-04-12 2020-04-12 Sprinkler head that irrigation used

Publications (1)

Publication Number Publication Date
CN111375501A true CN111375501A (en) 2020-07-07

Family

ID=71214037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010282719.4A Pending CN111375501A (en) 2020-04-12 2020-04-12 Sprinkler head that irrigation used

Country Status (1)

Country Link
CN (1) CN111375501A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113828086A (en) * 2021-09-25 2021-12-24 成都新豪鼎盛建材有限公司 Concrete factory district sprays dust fall system
CN115088559A (en) * 2022-08-22 2022-09-23 霍山县天下泽雨生物科技发展有限公司 Irrigation equipment for planting Huoshan ganoderma lucidum and irrigation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB936185A (en) * 1959-10-19 1963-09-04 Moist O Matic Inc Sprinkler head
JPH07103362A (en) * 1993-10-05 1995-04-18 Fuji Seiko Kk Valve surging preventing device
US6193169B1 (en) * 1993-08-26 2001-02-27 Spraying Systems Deutschland Gmbh Rotating spray nozzle with controlled braking action
CN102297279A (en) * 2011-08-04 2011-12-28 李耀强 Constant pressure current regulator
JP4996346B2 (en) * 2007-05-31 2012-08-08 富士精工株式会社 Constant flow valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB936185A (en) * 1959-10-19 1963-09-04 Moist O Matic Inc Sprinkler head
US6193169B1 (en) * 1993-08-26 2001-02-27 Spraying Systems Deutschland Gmbh Rotating spray nozzle with controlled braking action
JPH07103362A (en) * 1993-10-05 1995-04-18 Fuji Seiko Kk Valve surging preventing device
JP4996346B2 (en) * 2007-05-31 2012-08-08 富士精工株式会社 Constant flow valve
CN102297279A (en) * 2011-08-04 2011-12-28 李耀强 Constant pressure current regulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113828086A (en) * 2021-09-25 2021-12-24 成都新豪鼎盛建材有限公司 Concrete factory district sprays dust fall system
CN115088559A (en) * 2022-08-22 2022-09-23 霍山县天下泽雨生物科技发展有限公司 Irrigation equipment for planting Huoshan ganoderma lucidum and irrigation method thereof

Similar Documents

Publication Publication Date Title
CN111375501A (en) Sprinkler head that irrigation used
CN112931152B (en) High-efficient shower nozzle that agricultural irrigation used
CN111280025B (en) Agricultural irrigation device capable of swinging according to wind direction
CN214107510U (en) Rotary type spray head device for agricultural irrigation
CN213548862U (en) Garden irrigation spray head
CN215277992U (en) Rotary atomizing spray head
CN209829317U (en) Electrodeless rotatory nozzle device of adjustable pressure
CN217364099U (en) Sprinkling irrigation curing means under forest
CN220383843U (en) Municipal administration gardens irrigation equipment
CN109984017A (en) A kind of rain effect water sprinkler
CN2719409Y (en) Underground variable-range fully-automatic water-saving sprinkling irrigation gun
CN110192517A (en) A kind of irrigate uses wide-angle spray head
CN216254411U (en) Water-saving irrigation is with spouting device a little
CN111685017B (en) Tea field irrigation equipment
CN210094238U (en) Water-saving type greening irrigation device
CN108686841A (en) Agricultural machine is with irrigating shower nozzle
CN101554621B (en) Self-rotating sprayer
CN114375805A (en) Spray range adjustable spray thrower for landscape design
CN105834021B (en) A kind of flower planting water-saving irrigation nozzle
CN210726262U (en) Cross rotating micro spray head
CN209768375U (en) glass greenhouse capable of directly sprinkling irrigation
CN109458868B (en) Variable flow square spray head of countercurrent tower
CN208387488U (en) A kind of economical and practical type spray drop filling device
CN208912336U (en) A kind of agricultural machinery Irrigation shower head
CN207135674U (en) A kind of booth vegetable spray equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200707

WD01 Invention patent application deemed withdrawn after publication