CN214917178U

CN214917178U - Irrigation spray head

Info

Publication number: CN214917178U
Application number: CN202121167538.3U
Authority: CN
Inventors: 王素霞; 张秀珍; 李雯雯; 赵苏
Original assignee: Weifang Vocational College
Current assignee: Weifang Vocational College
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-30
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses an irrigation spray nozzle, which comprises a shell, wherein a water inlet pipe which extends up and down is arranged in the shell, an expansion joint is arranged on a pipeline of the water inlet pipe, a water distribution disc is arranged at the upper end of the water inlet pipe and can be rotatably arranged on the water inlet pipe, the side wall of the water distribution disc is provided with branch spray pipes, the branch spray pipes are provided with a plurality of groups, one end of each branch spray pipe is annularly communicated with the water distribution disc and is arranged on the side wall of the water distribution disc, the other end of each branch spray pipe is arranged outside a passenger ladder, the lower wall of the water distribution disc is fixedly connected with an impeller shaft, the lower end of the impeller shaft is provided with an impeller, the impeller is arranged in the water inlet pipe, the other end of each branch spray pipe is provided with an atomization spray nozzle, and the shell is internally provided with a range control device, the utility model particularly relates to the technical field of irrigation, which has strong adaptability to irrigation areas and good water-saving effect, the range of the irrigation nozzle with ideal irrigation effect is adjustable.

Description

Irrigation spray head

Technical Field

The utility model belongs to the technical field of irrigate, specifically indicate an irrigation spray nozzle.

Background

The spray head is an important part in the spray irrigation system, the working performance of the spray head directly influences the spray irrigation quality, the rocker arm type spray head is generally applied to the existing spray irrigation system, the rocker arm type spray head is stable in performance, far in range and simple in structure, a reversing mechanism is arranged on the spray head, 360-degree full-circle spraying can be carried out, and the spray head is widely applied to various open irrigation occasions such as large-scale farmlands, municipal parks, open-air nurseries, fruit and vegetable gardens and gardening fields.

The existing irrigation spray head has the disadvantages that the rocker spray head can only perform circular spraying, however, the irrigation area is often a regular rectangular or block farmland, the conditions of missed spraying or side-out spraying and the like often occur in the working process, the water-saving effect is greatly reduced, particularly in the occasion of municipal park irrigation, if the irrigation is performed comprehensively, the spraying area is larger than the greening area, the side-out spraying phenomenon is caused, and as a result, water is sprayed on roads outside greening, and the walking of passersby is influenced; if only irrigate the afforestation area, do the full circle sprinkling irrigation by a plurality of shower nozzles, afforestation marginal area can appear irrigating the dead angle, causes the vegetation uneven, influences the afforestation effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a strong, the water conservation of adaptability to irrigating the region is effectual, and the range adjustable irrigation nozzle of irrigation effect ideal can make the scope that sprays of regular rectangle, avoids appearing leaking the condition of spouting or spouting outside the limit.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an irrigation spray nozzle comprises a shell, wherein a water inlet pipe extending up and down is installed in the shell, an expansion joint is installed on a pipeline of the water inlet pipe, a water distribution disc is installed at the upper end of the water inlet pipe and can be rotatably arranged on the water inlet pipe, a branch spray pipe is arranged on the side wall of the water distribution disc and is provided with a plurality of groups, one end of each branch spray pipe is annularly communicated with the water distribution disc and is arranged on the side wall of the water distribution disc, the other end of each branch spray pipe is arranged on the outer side of a passenger ladder, an impeller shaft is fixedly connected to the lower wall of the water distribution disc, an impeller is arranged at the lower end of the impeller shaft and is arranged in the water inlet pipe, the impeller is arranged towards or back to the advancing direction of water flow, an atomization spray nozzle is arranged at the other end of each branch spray pipe, a range control device is arranged in the shell and controls the water distribution disc to periodically fluctuate up and down, when the shower nozzle irrigates, rivers get into the water distribution dish from the inlet tube, then move towards each branch spray tube in following the water distribution dish, spout after atomizer atomizing at last and irrigate the plant, in this process, the impeller is faced towards rivers, when rivers flow, give the impeller moment of torsion, thereby it rotates to drive the water distribution dish, this device need not to adopt external power, can realize the rotation of water distribution dish, range controlling means control water distribution dish height fluctuation moves, thereby carry out non-circular irrigation, adaptability to irrigation zone is stronger, compare with rocking arm formula shower nozzle, it is more outstanding to economize on water the effect, irrigation effect is more ideal, especially under the condition that singly uses and a small amount of combination uses, because its range is adjustable, can make the range that sprays of regular rectangle, avoid appearing leaking the condition of spouting or the limit is spout outward.

Further, range controlling means is including shape accuse circle and curve path, shape accuse circle is located the casing upside, the curve path is located shape accuse circle, the curve path is the setting of indent arc, the curve path is equipped with a plurality of groups, a plurality of groups the curve path connects around shape accuse circle with two adjacent curve paths end to end and sets up, branch's spray tube is located on the curve path, and in the course of the work, branch's spray tube presses on the curve path all the time, and when the water distribution dish begins to rotate, branch's spray tube carries out the motion of fluctuation from top to bottom at the curve path to change the range of rivers, spray out the irrigation zone of regular rectangle.

Furthermore, the telescopic joint is provided with a corrugated pipe, two ends of the corrugated pipe are provided with flange joints, the telescopic joint is arranged on a pipeline of the water inlet pipe through the flange joints, the telescopic joint is positioned in the shell, and the corrugated pipe is a metal corrugated pipe; when the water distribution disc rotates to the highest point, the telescopic length of the corrugated pipe reaches the maximum, when the water distribution disc rotates to the lowest point, the corrugated pipe contracts, and in the telescopic process of the corrugated pipe, the branch spray pipe always presses against the shape control ring by means of gravity.

Further, the water distribution plate downside is equipped with the connecting pipe, the connecting pipe with the water distribution plate intercommunication, the connecting pipe lower extreme is equipped with the adapter sleeve, the upper end of inlet tube is located in the adapter sleeve cup joint, be equipped with annular spacing groove on the adapter sleeve, annular spacing groove is located between the adapter sleeve inlet tube, be equipped with the sealing washer in the annular spacing groove, the sealing washer sets up for the metal material, can also take the dynamic seal measure of oil blanket class between adapter sleeve and the inlet tube, prevents that rivers from spilling between adapter sleeve and the inlet tube.

Further, the impeller is arranged in the connecting sleeve.

Further, the shell comprises a barrel body which is formed by a hollow cavity body which is communicated from top to bottom, a bottom cover is arranged at the lower end of the barrel body, and the water inlet pipe penetrates through the bottom cover and is arranged in the barrel body.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides an irrigation nozzle simple operation, compact structure, reasonable design, after adopting the above structure, when the shower nozzle irrigates, rivers get into the water distribution dish from the inlet tube, then go to each branch spray tube from the water distribution dish, spout after atomizing nozzle atomizes finally and irrigate the plant, in this process, the impeller head-on is towards rivers, when rivers flow, give the impeller moment of torsion, thereby drive the water distribution dish and rotate, this device need not to adopt external power, can realize the rotation of water distribution dish, range control device controls the fluctuation action of water distribution dish height, thereby carry out non-circular irrigation, the adaptability to irrigation area is stronger, compared with the rocking arm type shower nozzle, the water conservation effect is more outstanding, the irrigation effect is more ideal, especially under the condition of single use and a small amount of combination use, because its range is adjustable, regular rectangular's spraying scope can be made, the condition of missing spraying or edge external spraying is avoided.

Drawings

Fig. 1 is a schematic structural view of an irrigation sprinkler according to the present invention;

fig. 2 is a schematic structural view of a range control device of an irrigation sprinkler according to the present invention;

FIG. 3 is a schematic structural view of an expansion joint of an irrigation sprinkler according to the present invention;

fig. 4 is a schematic structural view of a water distribution plate of the irrigation sprinkler of the present invention.

The device comprises a shell 1, a shell 2, a water inlet pipe 3, an atomizing spray head 4, a shape control ring 5, a water distribution disc 6, a branch spray pipe 7, an impeller 8, an impeller shaft 9, a connecting sleeve 10, an expansion joint 11, a corrugated pipe 12, a flange joint 13, a curved path 14, a sealing ring 15, a connecting pipe 16, a cylinder body 17, a bottom cover 18, an annular limiting groove 19 and a range control device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model relates to an irrigation nozzle, which comprises a housing 1, a water inlet pipe 2 extending up and down is installed in the housing 1, an expansion joint 10 is installed on the pipeline of the water inlet pipe 2, a water distribution plate 5 is installed on the upper end of the water inlet pipe 2, the water distribution plate 5 is rotatably installed on the water inlet pipe 2, a plurality of branch nozzles 6 communicated with the water distribution plate 5 are installed on the side portion of the water distribution plate 5, the outer ends of the branch nozzles 6 extend out of the housing 1, an atomizing nozzle 3 is installed at one end of the branch nozzles 6 extending out of the housing 1, an impeller 7 is fixedly installed on the lower side of the water distribution plate 5, the impeller 7 is located in the water inlet pipe 2 and faces or faces away from the advancing direction of water flow, a range control device 19 for controlling the water distribution plate 5 to fluctuate periodically is installed in the housing 1, after the structure is adopted, when the nozzle is used for irrigation, water flows enter the water distribution plate 5 from the water distribution plate 5 and then go to each branch nozzle 6, at last, the plant is irrigated by spraying after being atomized by the atomizing spray head 3, in the process, the impeller 7 in the water inlet pipe 2 is driven by the impact of water flow to drive the water distribution disc 5 to rotate circumferentially, the range control device 19 controls the height fluctuation action of the water distribution disc 5, and thus non-circular irrigation is carried out.

Regarding the specific structure of the range control device 19, referring to fig. 1 and fig. 2, the range control device 19 includes a shape control ring 4 located on the upper side of the casing 1, four arc-shaped curved paths 13 are opened on the upper side of the shape control ring 4, the curved paths 13 are bent upward, the four curved paths 13 surround the shape control ring 4 for a circle, and two adjacent curved paths 13 are connected end to end, and the branch nozzle 6 is pressed on the upper side of the curved paths 13. In the working process, the branch spray pipes 6 are pressed against the curved path 13 all the time, and when the water distribution disc 5 starts to rotate, the branch spray pipes 6 move up and down along the curved path 13, so that the range of water flow is changed, and regular rectangular irrigation areas are sprayed.

Regarding the specific structure of the telescopic joint 10, referring to fig. 3, the telescopic joint 10 includes a corrugated pipe 11, flange joints 12 are mounted at both ends of the corrugated pipe 11, the telescopic joint 10 is mounted on the pipeline of the water inlet pipe 2 through the flange joints 12, and the telescopic joint 10 is located in the housing 1. The corrugated pipe 11 can be a metal corrugated pipe 11, when the water distribution plate 5 rotates to the highest point, the telescopic length of the corrugated pipe 11 reaches the maximum, when the water distribution plate 5 rotates to the lowest point, the corrugated pipe 11 contracts, and in the telescopic process of the corrugated pipe 11, the branch spray pipe 6 is pressed against the shape control ring 4 by means of gravity all the time.

Regarding the rotating installation structure of the water distribution plate 5, referring to fig. 1 and fig. 4, a connecting pipe 15 communicated with the water distribution plate 5 is fixedly installed on the lower side of the water distribution plate 5, a connecting sleeve 9 is fixedly installed on the lower end of the connecting pipe 15, the connecting sleeve 9 is sleeved on the upper end of the water inlet pipe 2, annular limiting grooves 18 corresponding to each other are formed between the connecting sleeve 9 and the water inlet pipe 2, and a sealing ring 14 is installed in the annular limiting groove 18. The sealing ring 14 may be made of metal, and dynamic sealing measures such as oil sealing can be adopted between the connecting sleeve 9 and the water inlet pipe 2 to prevent water from leaking out from between the connecting sleeve 9 and the water inlet pipe 2. Regarding the installation structure of the impeller 7, referring to fig. 1, an impeller shaft 8 is fixedly installed on the lower side of the water distribution plate 5, the impeller 7 is installed at the lower end of the impeller shaft 8, and the impeller 7 is located in a connecting sleeve 9. After adopting above-mentioned structure, impeller 7 is met and is faced towards rivers, when rivers flow, gives impeller 7 moment of torsion to drive water distribution plate 5 and rotate, this device need not to adopt external power, can realize the rotation of water distribution plate 5. Regarding the specific structure of the housing 1, the housing 1 comprises a barrel 16 which is open upwards, a bottom cover 17 is mounted at the lower end of the barrel 16, and the water inlet pipe 2 penetrates through the bottom cover 17 and extends into the barrel 16.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An irrigation sprinkler, comprising: the improved water distribution device comprises a housing, install the inlet tube that extends from top to bottom in the casing, install the telescopic joint on the pipeline of inlet tube, the water distribution dish is installed to the upper end of inlet tube, the water distribution dish is rotatable to be located on the inlet tube, the water distribution dish lateral wall is equipped with branch spray tube, branch spray tube is equipped with a plurality of groups, a plurality of groups branch spray tube one end is the annular and link up the water distribution dish and locates on the water distribution dish lateral wall, the terraced outside is located to branch spray tube other end, the water distribution dish lower wall rigid coupling is equipped with the impeller shaft, the impeller shaft lower extreme is equipped with the impeller, in the inlet tube was located to the impeller, the branch spray tube other end is equipped with atomizer, be equipped with range controlling means in the casing.

2. An irrigation emitter according to claim 1, wherein: the range control device comprises a shape control ring and a curve path, wherein the shape control ring is arranged on the upper side of the shell, the curve path is arranged on the shape control ring and is in an inwards concave arc shape, the curve path is provided with a plurality of groups, the curve path is arranged around the shape control ring in a way that the head and the tail of two adjacent curve paths are connected, and the branch spray pipe is arranged on the curve path.

3. An irrigation emitter according to claim 2, wherein: the corrugated pipe is arranged on the expansion joint, flange joints are arranged at two ends of the corrugated pipe, the expansion joint is installed on a pipeline of the water inlet pipe through the flange joints, the expansion joint is located in the shell, and the corrugated pipe is a metal corrugated pipe.

4. An irrigation emitter according to claim 3, wherein: the water distribution device is characterized in that a connecting pipe is arranged on the lower side of the water distribution plate and is communicated with the water distribution plate, a connecting sleeve is arranged at the lower end of the connecting pipe and is sleeved at the upper end of the water inlet pipe, an annular limiting groove is formed in the connecting sleeve and is arranged between the water inlet pipes of the connecting sleeve, a sealing ring is arranged in the annular limiting groove and is made of metal.

5. An irrigation emitter according to claim 4 in which: the impeller is arranged in the connecting sleeve.

6. An irrigation emitter according to claim 5, wherein: the shell comprises a barrel body which is formed by a hollow cavity body which is communicated from top to bottom, a bottom cover is arranged at the lower end of the barrel body, and the water inlet pipe penetrates through the bottom cover and is arranged in the barrel body.