CN114522816A - Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine - Google Patents

Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine Download PDF

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Publication number
CN114522816A
CN114522816A CN202210254406.7A CN202210254406A CN114522816A CN 114522816 A CN114522816 A CN 114522816A CN 202210254406 A CN202210254406 A CN 202210254406A CN 114522816 A CN114522816 A CN 114522816A
Authority
CN
China
Prior art keywords
sleeve
left end
end cover
right end
water inlet
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.)
Withdrawn
Application number
CN202210254406.7A
Other languages
Chinese (zh)
Inventor
齐中男
齐波
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.)
Jiangsu Xiangyu Irrigation Equipment Co ltd
Original Assignee
Jiangsu Xiangyu Irrigation Equipment Co ltd
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 Jiangsu Xiangyu Irrigation Equipment Co ltd filed Critical Jiangsu Xiangyu Irrigation Equipment Co ltd
Priority to CN202210254406.7A priority Critical patent/CN114522816A/en
Publication of CN114522816A publication Critical patent/CN114522816A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

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

Abstract

The invention discloses an injection nozzle for sprinkling irrigation and fertilization of a disc type sprinkling irrigation machine, and belongs to the technical field of irrigation and fertilization. The sleeve penetrates through the pipe wall of the water inlet pipe, the left end of the sleeve is plugged with a left end cover, and the right end of the sleeve is plugged with a right shell; the right part of the right shell is a cylindrical body, and the right end of the cylindrical body is plugged with a right end cover; the rotating shaft is superposed with the axis of the sleeve, the left end of the rotating shaft is in rotary connection with the left end cover, and the right end of the rotating shaft penetrates through the right shell and is in rotary connection with the right end cover; a through groove is arranged on the circumferential surface of the cylindrical body, and an impeller is arranged in the cylindrical body; a screw rod is arranged in the sleeve in a matching way; the circumferential surface of the left end of the sleeve is connected with a feed pipe joint, and the circumferential surface of the left end of the sleeve is connected with a one-way spray pipe. According to the invention, water flow in the water inlet pipe is used for generating power to drive the spiral rod to finish fertilizer conveying, so that the fertilizer conveying structure is simplified, and the production and use cost of the product is reduced; the rotating speed of the screw rod is related to the water flow speed in the water inlet pipe, and the fertilizing amount is stably conveyed.

Description

Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine
Technical Field
The invention relates to the technical field of irrigation and fertilization, in particular to an injection nozzle for sprinkling irrigation and fertilization of a disc type sprinkler.
Background
The sprinkler sprays water with certain pressure into the air through a special machine tool device by a spray head, the water is scattered into fine water drops, and the fine water drops are uniformly scattered in the field like rain, so that the water is supplied for the plants such as crops, flowers, seedlings and the like to meet the water requirement. The pressurizing, water delivering, spraying and walking devices are connected into a movable whole, so that the movable whole is called a sprinkler. The irrigation and fertilization is an important characteristic of modern intensive irrigation and agriculture, and the irrigation and fertilization machine is used for performing irrigation and fertilization operation on crops, can accurately control irrigation time, fertilization amount, fertilizer liquid concentration and the proportion among nutrient elements, improves the utilization rate of water and fertilizer, and reduces pollution to the environment to the maximum extent. The chinese patent discloses an injection nozzle (CN102909140A) for sprinkling irrigation and fertilization of a circular sprinkler, which is characterized in that: the nozzle comprises a long-strip nozzle main body, wherein a contraction type flow channel which gradually narrows from width is arranged in the nozzle main body; the wider end of the flow passage of the nozzle main body is connected with a nozzle cap, the other end of the nozzle main body is inserted into a water inlet pipe of the circular sprinkler, and the end part is integrally provided with a nozzle head; a nozzle flow passage communicated with the contraction type flow passage is arranged in the nozzle head, and the other end of the nozzle head is connected with a plug; a blocking plug and a spring are arranged in the nozzle flow passage; a plurality of nozzle outlets are arranged on the circumference of the nozzle head; one end of the nozzle cap is connected with the nozzle main body, and the other end of the nozzle cap is provided with an exhaust device; an internal flow passage is arranged in the nozzle cap and is communicated with a contraction type flow passage in the nozzle main body, a fertilizer inlet pipeline is vertically arranged on the outer wall of the nozzle cap, one end of the fertilizer inlet pipeline is communicated with the internal flow passage of the nozzle cap, and the other end of the fertilizer inlet pipeline is connected with a water outlet pipeline of the fertilizer liquid pressurizing device.
The defects of the technology are as follows: when the fertilizer distributor is used, the fertilizer inlet pipeline is connected with the fertilizer liquid pressurizing device, and the prepared fertilizer is sprayed into the water inlet pipe through the pressurizing pump, so that the control of the pressurizing pump is complex, and the cost is high; the amount of fertilizer sprayed into the water inlet pipe is generally uniform, and when the water flow speed of the water inlet pipe is unstable, the concentration of the fertilizer is finally changed, the optimal proportion of fertilizer application is influenced, and the fertilizer is not beneficial to crop growth.
Disclosure of Invention
In order to solve the technical problem, the invention provides an injection nozzle for sprinkling irrigation and fertilization of a disc type sprinkling irrigation machine. The injection nozzle utilizes water flow in the water inlet pipe to generate power, so that the fertilizer conveying amount is related to the water flow speed, and the stability of the fertilizer application amount is ensured.
The invention is realized by the following technical scheme: an injection nozzle for sprinkling irrigation and fertilization of a disc type sprinkling machine comprises a sleeve, wherein the sleeve is arranged on the pipe wall of a water inlet pipe in a penetrating mode, the left end of the sleeve is located outside the water inlet pipe, and the right end of the sleeve is located inside the water inlet pipe;
the left end of the sleeve is plugged with a left end cover, and the right end of the sleeve is plugged with a right shell; the right part of the right shell is a cylindrical body, and the right end of the cylindrical body is blocked with a right end cover; the rotating shaft is superposed with the axis of the sleeve, the left end of the rotating shaft is in rotary connection with the left end cover, and the right end of the rotating shaft penetrates through the right shell and is in rotary connection with the right end cover;
a radial through groove is formed in the circumferential surface of the cylindrical body and communicated to the inside of the cylindrical body; the cylindrical body is internally provided with an impeller, a shaft center hole of the impeller is fixedly connected with the rotating shaft, and the position of the impeller is opposite to the through groove;
a screw rod is arranged in the sleeve in a matching way, and a shaft center hole of the screw rod is fixedly connected with the rotating shaft; the circumferential surface of the left end of the sleeve is connected with a feed pipe joint, and the circumferential surface of the left end of the sleeve is connected with a one-way spray pipe.
It further comprises the following steps: the water inlet pipe is vertically arranged; the sleeve is vertical to the water inlet pipe, the feed pipe joint is positioned right below the sleeve, and the one-way spray pipe is positioned right above the sleeve; the impeller in the right shell is positioned in the center of the water inlet pipe.
The side surface of the left end cover is provided with a threaded boss, the threaded boss of the left end cover is connected with the left end of the sleeve through threads, and the center of the threaded boss of the left end cover is provided with a blind hole; the left end of the rotating shaft is provided with a threaded hole, and the left rotating head is connected and installed in the threaded hole at the left end of the rotating shaft through threads; the circumferential surface of the left rotary head is a spherical surface, and the spherical surface of the left rotary head is in clearance fit with the blind hole of the left end cover.
The right end cover is provided with a threaded boss on the side surface, the threaded boss of the right end cover is connected with the cylindrical body of the right shell through threads, and a blind hole is formed in the center of the threaded boss of the right end cover; the right end of the rotating shaft is provided with a threaded hole, and the right rotating head is installed in the threaded hole at the right end of the rotating shaft in a threaded connection mode; the circumferential surface of the right rotary head is a spherical surface, and the spherical surface of the right rotary head is in clearance fit with the blind hole of the right end cover.
A discharge port is formed in the circumferential surface of the left end of the sleeve and is positioned right above the sleeve; the discharge port is provided with internal threads, and the one-way spray pipe is installed on the discharge port through threaded connection; the one-way spray pipe is provided with an inner cavity, the inner cavity is communicated with the discharge hole, and small holes communicated with the inner cavity are formed in the periphery of the one-way spray pipe; the steel ball is arranged in the inner cavity of the one-way spray pipe, and the lower side surface of the inner cavity is a conical surface matched with the steel ball.
The pipe wall of the water inlet pipe is provided with a mounting hole, a flange round table is arranged at the mounting hole of the water inlet pipe, and an internal thread is formed on the flange round table; the sleeve is provided with a positioning step, and the positioning step is provided with an external thread; the sleeve positioning step is in threaded connection with the flange round platform of the water inlet pipe.
The right end of the screw rod is provided with a cylindrical guide disc, and the guide disc is in clearance fit with the sleeve.
A counter bore is formed in the left side of the right shell, and an internal thread is formed in the counter bore; the right end of the sleeve is installed in a counter bore of the right shell through threaded connection.
Compared with the prior art, the invention has the beneficial effects that: the impeller in the injection nozzle generates power by utilizing water flow in the water inlet pipe to drive the screw rod to finish fertilizer conveying, so that the structure simplifies a fertilizer conveying structure and reduces the production and use cost of products; the rotating speed of the screw rod is related to the water flow speed in the water inlet pipe, and the fertilizing amount is stably conveyed; the two ends of the rotating shaft are installed in a floating and rotating mode through the rotating head, the contact surface of the spherical body is small, the friction force is small, the sealing requirement of a conventional rotating structure is avoided, the structure is simple, and the cost is low; the steel ball in the one-way spray pipe is in a closed state in a normal state, and when the rotary sleeve rotates for a certain angle, the steel ball can be opened under the dead weight, so that the water return operation is facilitated.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention 1;
FIG. 2 is a cross-sectional view of an embodiment of the present invention 2;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a view from A-A in FIG. 2;
in the figure: 1. a water inlet pipe; 1-1, a flange circular table; 2. a sleeve; 2-1, a discharge hole; 2-2, positioning a step; 3. a one-way nozzle; 3-1, small holes; 3-2, inner cavity; 4. a steel ball; 5. a right housing; 5-1, cylindrical body; 5-2, through grooves; 6. an impeller; 7. a right end cap; 8. a right rotating head; 9. a rotating shaft; 10. a screw rod; 10-1, a guide disc; 11. a feed pipe joint; 12. a left end cap; 13. and a left rotating head.
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 the figures 1 and 2, the injection nozzle for the spray irrigation and fertilization of the disc type sprinkler comprises a water inlet pipe 1, wherein a mounting hole is formed in the pipe wall of the water inlet pipe 1, a flange round table 1-1 is arranged at the mounting hole of the water inlet pipe 1, and an internal thread is formed in the flange round table 1-1. The sleeve 2 is provided with a positioning step 2-2, the positioning step 2-2 is provided with an external thread, and the positioning step 2-2 of the sleeve 2 is in threaded connection with a flange round table 1-1 of the water inlet pipe 1. The sleeve 2 is perpendicular with inlet tube 1, and 2 left ends of sleeve are located inlet tube 1 outsidely, and 2 right-hand members of sleeve are located inlet tube 1 insidely.
The left end of the sleeve 2 is plugged with a left end cover 12, and the right end of the sleeve 2 is plugged with a right shell 5. The right part of the right shell 5 is a cylindrical body 5-1, and the right end of the cylindrical body 5-1 is blocked with a right end cover 7. The rotating shaft 9 is superposed with the axis of the sleeve 2, the left end of the rotating shaft 9 is connected with the left end cover 12 in a rotating way, and the right end of the rotating shaft 9 penetrates through the right shell 5 and is connected with the right end cover 7 in a rotating way.
Referring to fig. 3, a threaded boss is arranged on the side surface of the left end cover 12, the threaded boss of the left end cover 12 is connected with the left end of the sleeve 2 through a thread, and a blind hole is formed in the center of the threaded boss of the left end cover 12. The left end of the rotating shaft 9 is provided with a threaded hole, and a left rotating head 13 is installed in the threaded hole at the left end of the rotating shaft 9 through threaded connection. The circumferential surface of the left rotating head 13 is a spherical surface, and the spherical surface of the left rotating head 13 is in clearance fit with the blind hole of the left end cover 12.
In the same way, as shown in fig. 4, the right end cap 7 has a threaded boss on the side surface thereof, the threaded boss of the right end cap 7 is connected with the cylindrical body 5-1 of the right housing 5 by a thread, and a blind hole is formed in the center of the threaded boss of the right end cap 7. A threaded hole is formed in the right end of the rotating shaft 9, and the right rotating head 8 is installed in the threaded hole in the right end of the rotating shaft 9 through threaded connection. The circumferential surface of the right rotating head 8 is a spherical surface, and the spherical surface of the right rotating head 8 is in clearance fit with the blind hole of the right end cover 7. The two ends of the rotating shaft are installed in a floating and rotating mode through the rotating head, the contact surface of the spherical body is small, the friction force is small, the sealing requirement of a conventional rotating structure is also avoided, the structure is simple, and the cost is low.
Referring to fig. 2 and 4, a screw rod 10 is fittingly installed in the sleeve 2, and a central axis hole of the screw rod 10 is fixedly connected with the rotating shaft 9. The right end of the screw rod 10 is provided with a cylindrical guide disc 10-1, and the guide disc 10-1 is in clearance fit with the sleeve 2.
The circumferential surface of the left end of the sleeve 2 is connected with a feed pipe joint 11, and the feed pipe joint 11 is positioned right below the sleeve 2.
The circumferential surface of the left end of the sleeve 2 is provided with a discharge port 2-1, the discharge port 2-1 is positioned right above the sleeve 2, and the discharge port 2-1 is provided with internal threads. The one-way spray pipe 3 is installed on the discharge port 2-1 through threaded connection. The one-way spray pipe 3 is provided with an inner cavity 3-2, the inner cavity 3-2 is communicated with the discharge hole 2-1, and the periphery of the one-way spray pipe 3 is provided with small holes 3-1 communicated with the inner cavity 3-2. A steel ball 4 is arranged in an inner cavity 3-2 of the one-way spray pipe 3, and the position where the lower side surface of the inner cavity 3-2 is communicated with the discharge hole 2-1 is a conical surface matched with the steel ball 4. The steel ball is closed under the normal state, and when the rotating sleeve rotates a certain angle, the steel ball can be opened under the dead weight, so that the water return operation is facilitated.
Referring to fig. 2, 4 and 5, a counter bore is formed in the left side of the right housing 5, an internal thread is formed in the counter bore, and the right end of the sleeve 2 is installed in the counter bore of the right housing 5 through threaded connection. The circumferential surface of the cylindrical body 5-1 is provided with a radial through groove 5-2, and the through groove 5-2 is communicated with the inside of the cylindrical body 5-1. The circumferential dimension of the through groove 5-2 is greater than a quarter circle and less than a half circle. An impeller 6 is arranged in the cylindrical body 5-1, and a shaft center hole of the impeller 6 is fixedly connected with a rotating shaft 9. The impeller 6 is positioned opposite to the through groove 5-2, and the impeller 6 is positioned at the center of the water inlet pipe 1.
When the fertilizer feeder works, flowing water flow is arranged in the water inlet pipe, and the impeller in the injection nozzle generates power by utilizing the water flow in the water inlet pipe to drive the screw rod to complete fertilizer conveying. The injection nozzle structure of this embodiment has simplified sprinkling irrigation fertilizer transport structure, reduces the production and the use cost of product. In the working process, the rotating speed of the screw rod is related to the water flow speed in the water inlet pipe, and the fertilizing amount is stably conveyed.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (8)

1. An injection nozzle for sprinkling irrigation and fertilization of a disc type sprinkling irrigation machine comprises a sleeve (2), wherein the sleeve (2) is arranged on the pipe wall of a water inlet pipe (1) in a penetrating mode, the left end of the sleeve (2) is located outside the water inlet pipe (1), and the right end of the sleeve (2) is located inside the water inlet pipe (1);
the method is characterized in that:
the left end of the sleeve (2) is plugged with a left end cover (12), and the right end of the sleeve (2) is plugged with a right shell (5); the right part of the right shell (5) is a cylindrical body (5-1), and the right end of the cylindrical body (5-1) is plugged with a right end cover (7); the axis of the rotating shaft (9) is superposed with the axis of the sleeve (2), the left end of the rotating shaft (9) is rotatably connected with the left end cover (12), and the right end of the rotating shaft (9) penetrates through the right shell (5) and is rotatably connected with the right end cover (7);
a radial through groove (5-2) is formed in the circumferential surface of the cylindrical body (5-1), and the through groove (5-2) is communicated to the inside of the cylindrical body (5-1); an impeller (6) is arranged in the cylindrical body (5-1), a shaft center hole of the impeller (6) is fixedly connected with the rotating shaft (9), and the position of the impeller (6) is opposite to the through groove (5-2);
a screw rod (10) is arranged in the sleeve (2) in a matching way, and an axial center hole of the screw rod (10) is fixedly connected with the rotating shaft (9); the circumferential surface of the left end of the sleeve (2) is connected with a feeding pipe joint (11), and the circumferential surface of the left end of the sleeve (2) is connected with a one-way spray pipe (3).
2. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: the water inlet pipe (1) is vertically arranged; the sleeve (2) is vertical to the water inlet pipe (1), the feed pipe joint (11) is positioned right below the sleeve (2), and the one-way spray pipe (3) is positioned right above the sleeve (2); and the impeller (6) in the right shell (5) is positioned in the central position of the water inlet pipe (1).
3. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: the side surface of the left end cover (12) is provided with a threaded boss, the threaded boss of the left end cover (12) is connected with the left end of the sleeve (2) through threads, and the center of the threaded boss of the left end cover (12) is provided with a blind hole; a threaded hole is formed in the left end of the rotating shaft (9), and the left rotating head (13) is installed in the threaded hole in the left end of the rotating shaft (9) through threaded connection; the circumferential surface of the left rotating head (13) is a spherical surface, and the spherical surface of the left rotating head (13) is in clearance fit with the blind hole of the left end cover (12).
4. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: the side surface of the right end cover (7) is provided with a threaded boss, the threaded boss of the right end cover (7) is connected with the cylindrical body (5-1) of the right shell (5) through threads, and the center of the threaded boss of the right end cover (7) is provided with a blind hole; a threaded hole is formed in the right end of the rotating shaft (9), and the right rotating head (8) is installed in the threaded hole in the right end of the rotating shaft (9) through threaded connection; the circumferential surface of the right rotating head (8) is a spherical surface, and the spherical surface of the right rotating head (8) is in clearance fit with the blind hole of the right end cover (7).
5. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: a discharge port (2-1) is formed in the circumferential surface of the left end of the sleeve (2), and the discharge port (2-1) is positioned right above the sleeve (2); the discharge port (2-1) is provided with internal threads, and the one-way spray pipe (3) is installed on the discharge port (2-1) in a threaded connection manner; the one-way spray pipe (3) is provided with an inner cavity (3-2), the inner cavity (3-2) is communicated with the discharge hole (2-1), and small holes (3-1) communicated with the inner cavity (3-2) are formed in the periphery of the one-way spray pipe (3); the steel ball (4) is arranged in the inner cavity (3-2) of the one-way spray pipe (3), and the lower side surface of the inner cavity (3-2) is a conical surface matched with the steel ball (4).
6. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: the pipe wall of the water inlet pipe (1) is provided with a mounting hole, a flange round table (1-1) is arranged at the mounting hole of the water inlet pipe (1), and an internal thread is formed in the flange round table (1-1); the sleeve (2) is provided with a positioning step (2-2), and the positioning step (2-2) is provided with an external thread; the positioning step (2-2) of the sleeve (2) is in threaded connection with the flange round table (1-1) of the water inlet pipe (1).
7. An injection nozzle for sprinkler fertigation according to claim 1, characterized in that: the right end of the screw rod (10) is provided with a cylindrical guide disc (10-1), and the guide disc (10-1) is in clearance fit with the sleeve (2).
8. The injection nozzle for sprinkler fertigation of a disc sprinkler according to claim 1, wherein: a counter bore is formed in the left side of the right shell (5), and an internal thread is formed in the counter bore; the right end of the sleeve (2) is installed in a counter bore of the right shell (5) through threaded connection.
CN202210254406.7A 2022-03-15 2022-03-15 Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine Withdrawn CN114522816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210254406.7A CN114522816A (en) 2022-03-15 2022-03-15 Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210254406.7A CN114522816A (en) 2022-03-15 2022-03-15 Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine

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Publication Number Publication Date
CN114522816A true CN114522816A (en) 2022-05-24

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CN202210254406.7A Withdrawn CN114522816A (en) 2022-03-15 2022-03-15 Injection nozzle for sprinkling irrigation and fertilization of disc type sprinkling irrigation machine

Country Status (1)

Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102909140A (en) * 2012-10-29 2013-02-06 中国农业大学 Injection nozzle for sprinkling irrigation and fertilization of circular sprinkling irrigation machine
CN205462822U (en) * 2016-01-29 2016-08-17 中乔大三农智慧农业（北京）有限公司 Uniflow's sprinkling irrigation fertilization injection nozzle
CN113207403A (en) * 2021-06-03 2021-08-06 安徽农业大学 A annotate fertile nozzle and irrigation system for liquid manure integration facility

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102909140A (en) * 2012-10-29 2013-02-06 中国农业大学 Injection nozzle for sprinkling irrigation and fertilization of circular sprinkling irrigation machine
CN205462822U (en) * 2016-01-29 2016-08-17 中乔大三农智慧农业（北京）有限公司 Uniflow's sprinkling irrigation fertilization injection nozzle
CN113207403A (en) * 2021-06-03 2021-08-06 安徽农业大学 A annotate fertile nozzle and irrigation system for liquid manure integration facility

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Application publication date: 20220524