Equipment for irrigating gardens

Abstract

The utility model discloses equipment for irrigating gardens, which comprises a water supply structure, one end of the water supply structure is communicated with a water supply structure, the other end of the water supply structure is communicated with a flood irrigation mechanism, a first on-off valve is communicated between the flood irrigation mechanism and the water supply structure, and the other end of the water supply structure is further communicated with a drip irrigation mechanism. A second opening and closing valve is communicated between the drip irrigation mechanism and the water supply structure, the other end of the water supply structure is further communicated with a sprinkling irrigation mechanism, a third opening and closing valve is communicated between the sprinkling irrigation mechanism and the water supply structure, and the flood irrigation mechanism, the drip irrigation mechanism and the sprinkling irrigation mechanism are arranged side by side with gaps therebetween. The problems that when vegetation in an existing garden is irrigated, different irrigation modes need to be adopted, then irrigation personnel need to use different irrigation devices for irrigation, time and labor are consumed when operators need to irrigate, and the irrigation devices are tedious to mount and dismount are solved.

Description

Technical Field

[0001] The utility model belongs to the field of garden irrigation and relates to a device for irrigating gardens. Background Art

[0002] Gardening is the process of creating an educational and recreational natural environment by using engineering technology and artistic means to transform the terrain and then plant trees, flowers and plants, construct buildings, and arrange garden paths in a certain area or geographical location, or further build mountains, stack stones, and manage water. The above are collectively referred to as gardening. Gardens include courtyards, residential gardens, small gardens, flower gardens, parks, botanical gardens, zoos, etc. With the development of gardening, it also includes forest parks, scenic spots, nature reserves or tourist areas of national parks, as well as resorts.

[0003] Existing gardens are planted with tall trees, medium-height flower branches, and short lawns. Plants of different heights require different irrigation methods. Trees generally require direct flooding around the roots, while flower branches generally require drip irrigation at the roots. There are more small grasses on the lawn, so sprinkler irrigation is required. Different irrigation methods require irrigation workers to use different irrigation devices for irrigation, which results in time-consuming and labor-intensive irrigation for operators, and it is more cumbersome to install and disassemble the irrigation device. Therefore, in order to solve the above-mentioned technical problems, the technical solution of the present application is set up. Utility Model Content

[0004] The purpose of the utility model is to provide a device for irrigating gardens and solve the above-mentioned technical problems.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A device for irrigating gardens comprises a water supply structure, one end of which is connected to a structure providing a water body, the other end of which is connected to a flooding mechanism, a first opening and closing valve is connected between the flooding mechanism and the water supply structure, the other end of the water supply structure is also connected to a drip irrigation mechanism, a second opening and closing valve is connected between the drip irrigation mechanism and the water supply structure, the other end of the water supply structure is also connected to a sprinkler irrigation mechanism, a third opening and closing valve is connected between the sprinkler irrigation mechanism and the water supply structure, and the flooding mechanism, the drip irrigation mechanism and the sprinkler irrigation mechanism are arranged side by side with a gap between them.

[0007] The working principle of the utility model is as follows: one end of the water supply structure is connected to a box body for storing water. Preferably, the box body for storing water can be a pool, a water tank, or a tap water joint. Different water sources are selected according to different irrigated vegetation. The other end of the water supply structure is used to connect to a flood irrigation mechanism, which is used to correspond to trees with higher heights, so that flood irrigation is directly performed around the roots of the trees to meet the water needs of the tall trees. The other end of the water supply structure is also used to connect to a drip irrigation mechanism, which is used to correspond to flower branches of medium height to meet the water needs of the flower branches during their growth. The other end is also used to connect the sprinkler irrigation mechanism, which is used to correspond to the lawn to meet the water demand of lawn growth. The first opening and closing valve is used to open or close the channel of the flooding mechanism, the second opening and closing valve is used to open or close the channel of the drip irrigation mechanism, and the third opening and closing valve is used to open or close the channel of the sprinkler irrigation mechanism. This solves the problem that different irrigation methods need to be adopted when irrigating vegetation in existing gardens, and then irrigation personnel need to use different irrigation devices for irrigation, which makes it time-consuming and labor-intensive for operators to irrigate, and it is more complicated when installing and disassembling irrigation devices.

[0008] Furthermore: the water supply structure includes a water supply pump, one end of the water supply pump is connected to a water suction pipe, one end of the water suction pipe is connected to a water storage tank, the other end of the water supply pump is connected to a main water supply pipe, the main water supply pipe is a flexible pipe, and the front end of the main water supply pipe is respectively connected to the flooding mechanism, the drip irrigation mechanism, and the sprinkler irrigation mechanism.

[0009] Furthermore: the flooding mechanism includes a first water supply pipe, which is a flexible pipe. One end of the first water supply pipe is connected to the water supply structure. The first opening and closing valve is located on the first water supply pipe close to the water supply structure. The other end of the first water supply pipe is closed. The first water supply pipe is connected to a plurality of flooding structures, which are arranged staggered along the first water supply pipe.

[0010] Furthermore: the flooding structure includes a regulating pipe, one end of which is connected to the first water supply pipe, and the other end of the regulating pipe is connected to the flooding pipe. The flooding pipe is an annular pipe with closed ends, and a number of flooding holes are evenly distributed on the annular pipe in sequence. Both the regulating pipe and the flooding pipe are flexible pipes, and a stop valve is connected between the regulating pipes.

[0011] Furthermore: the drip irrigation mechanism includes a supporting structure and a drip irrigation structure, the supporting structure includes a plurality of supporting columns, the plurality of supporting columns are connected in sequence through a flexible iron wire, the drip irrigation structure includes a second water supply pipe, the second water supply pipe is a flexible pipe, one end of the second water supply pipe is connected to the water supply structure, the second opening and closing valve is located on the second water supply pipe close to the water supply structure, the second water supply pipe is connected to the flexible iron wire through a winding belt, and the second water supply pipe is provided with a plurality of drip irrigation through holes at equal intervals.

[0012] Furthermore: the bottom of the support column is connected with a soil breaking tooth, and the outer wall of the support column is provided with a plurality of fixing grooves, and the plurality of fixing grooves are arranged at equal intervals from top to bottom along the support column.

[0013] Furthermore: the sprinkler mechanism includes a third water supply pipe and several support rods. One end of the third water supply pipe is connected to the water supply structure. The third opening and closing valve is located on the third water supply pipe close to the water supply structure. The third water supply pipe is connected to several sprinkler structures. The several sprinkler structures correspond to the support rods one by one and are also connected by winding belts. The bottom of the support rod is also connected to a soil-breaking tooth.

[0014] Furthermore: the sprinkler irrigation structure includes a first water spray pipe and a second water spray pipe, the lower end of the first water spray pipe is connected to the third water supply pipe, the upper end of the second water spray pipe is connected to a sprinkler nozzle, the lower part of the second water spray pipe is telescopically connected to the upper part of the first water spray pipe, the lower end of the second water spray pipe is connected to a sealing ring, and the outer wall of the sealing ring is interference fit with the inner wall of the first water spray pipe.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] 1. A device for irrigating gardens, which can meet the different water requirements of different vegetation by matching the flood irrigation mechanism, drip irrigation mechanism and sprinkler irrigation mechanism with the vegetation in the garden respectively, and can irrigate all the vegetation in the garden through a set of equipment, thereby achieving the purpose of saving costs, saving trouble and increasing productivity;

[0017] 2. In the utility model, by setting the first opening and closing valve, the second opening and closing valve and the third opening and closing valve, it is convenient to meet the simultaneous operation of the flood irrigation mechanism, the drip irrigation mechanism and the sprinkler irrigation mechanism. At the same time, when any mechanism does not need to irrigate, it is directly closed through the corresponding opening and closing, thereby achieving the purpose of saving water and energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work, including:

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure of middle Ⅰ;

[0021] Markings in the figure: 1-first opening and closing valve, 2-second opening and closing valve, 3-third opening and closing valve, 4-water supply pump, 5-water suction pipe, 6-water storage tank, 7-main water supply pipe, 8-first water supply pipe, 9-regulating pipe, 10-flooding pipe, 11-flooding through hole, 12-stop valve, 13-support column, 14-flexible iron wire, 15-second water supply pipe, 16-winding belt, 17-drip irrigation through hole, 18-soil-breaking teeth, 19-fixing groove, 20-third water supply pipe, 21-support rod, 22-first water spraying pipe, 23-second water spraying pipe, 24-sprinkler nozzle, 25-sealing ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0024] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0025] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0026] Embodiment 1

[0027] The utility model discloses a device for irrigating gardens, such as Figure 1 , Figure 2As shown, one end of the water supply structure is connected to the structure providing the water body, the other end of the water supply structure is connected to the flooding mechanism, a first opening and closing valve 1 is connected between the flooding mechanism and the water supply structure, the other end of the water supply structure is also connected to the drip irrigation mechanism, a second opening and closing valve 2 is connected between the drip irrigation mechanism and the water supply structure, the other end of the water supply structure is also connected to the sprinkler irrigation mechanism, a third opening and closing valve 3 is connected between the sprinkler irrigation mechanism and the water supply structure, and the flooding mechanism, the drip irrigation mechanism and the sprinkler irrigation mechanism are arranged side by side with a gap between them.

[0028] The water supply structure includes a water supply pump 4, one end of which is connected to a water suction pipe 5, one end of which is connected to a water storage tank 6, and the other end of the water supply pump 4 is connected to a main water supply pipe 7, which is a flexible pipe, and the front end of the main water supply pipe 7 is respectively connected to the flooding mechanism, the drip irrigation mechanism, and the sprinkler irrigation mechanism.

[0029] The specific implementation method of this embodiment is: one end of the water supply structure is connected to the box body for storing water. Preferably, the box body for storing water can be a pool, a water tank, or a tap water joint. Different water sources are selected according to different irrigated vegetation. The other end of the water supply structure is used to connect with the flooding mechanism, which is used to correspond to trees with higher heights, so that the roots of the trees can be directly flooded to meet the water needs of tall trees. The other end of the water supply structure is also used to connect with the drip irrigation mechanism, which is used to correspond to flower branches of medium height to meet the water needs of flower branches during their growth. The other end of the water supply structure is also used to connect with the sprinkler irrigation mechanism, which is used to correspond to the lawn to meet the water needs of lawn growth. The first opening and closing valve is used to open or close the channel of the flooding mechanism, the second opening and closing valve is used to open or close the channel of the drip irrigation mechanism, and the third opening and closing valve is used to open or close the channel of the sprinkler irrigation mechanism.

[0030] The suction pipe transports the water used for irrigation to the water supply pump, and then the water is transported to the main water supply pipe through the water supply pump, and then transported to the flood irrigation mechanism, drip irrigation mechanism, and sprinkler irrigation mechanism.

[0031] By respectively corresponding the flood irrigation mechanism, drip irrigation mechanism and sprinkler irrigation mechanism to the vegetation in the garden, the water required for irrigation is provided to the flood irrigation mechanism, drip irrigation mechanism and sprinkler irrigation mechanism through the water supply structure at the same time. When the irrigation of trees is completed, the channel of the flood irrigation mechanism is directly closed through the first opening and closing valve, so that the drip irrigation mechanism and the sprinkler irrigation mechanism continue to irrigate the branches and lawns. When the sprinkler irrigation mechanism completes the sprinkler irrigation of the lawn, the channel of the sprinkler irrigation mechanism is closed through the third opening and closing valve, so that the drip irrigation mechanism drips the branches for a long time, thereby meeting the different water requirements of different vegetation.

[0032] Preferably, after the mechanism of the present application is installed at the corresponding position in the garden, it does not need to be disassembled after use, and can be used multiple times according to the needs of the garden, avoiding the need to disassemble and assemble every time for irrigation. By setting up multiple devices in the present application, it is easy to cover a larger garden, thereby meeting the irrigation needs of different gardens.

[0033] Preferably, the water supply structure is convenient for mixing insecticides, the sprinkler mechanism is convenient for insect removal, and the water supply structure is convenient for mixing fertilizers. Different mixtures of fertilizers and water can be transported according to different vegetation, and only other opening and closing valves need to be closed during transportation.

[0034] Embodiment 2

[0035] The utility model discloses a device for irrigating gardens, such as Figure 1 As shown, the flooding mechanism includes a first water supply pipe 8, which is a flexible pipe. One end of the first water supply pipe 8 is connected to the water supply structure. The first on-off valve 1 is located on the first water supply pipe 8 close to the water supply structure. The other end of the first water supply pipe 8 is closed. The first water supply pipe 8 is connected to a plurality of flooding structures, which are arranged staggered along the first water supply pipe 8.

[0036] The flooding structure includes a regulating pipe 9, one end of which is connected to the first water supply pipe 8, and the other end of the regulating pipe 9 is connected to the flooding pipe 10. The flooding pipe 10 is an annular pipe with both ends closed, and a plurality of flooding holes 11 are evenly distributed on the annular pipe. Both the regulating pipe 9 and the flooding pipe 10 are flexible pipes, and a stop valve 12 is connected between the regulating pipes 9.

[0037] The specific implementation method of this embodiment is: one end of the first water supply pipe is used to absorb the water transported by the main water supply pipe, and the other end is closed so that the transported water directly enters the regulating pipe, and the water is transported to the flooding pipe through the regulating pipe. The flooding holes on the flooding pipe facilitate the water transport to the surrounding areas of the roots of the trees, thereby facilitating the satisfaction of the trees' demand for water.

[0038] By arranging a plurality of flood irrigation structures in a staggered manner, it is convenient to correspond to trees in different positions in the garden, so that the flood irrigation pipe surrounds the roots of the trees, and then the flood irrigation holes directly spray water to the roots of the trees. Preferably, the two ends of the flood irrigation pipe are closed so that the water can only be discharged through the flood irrigation holes, and the two ends of the flood irrigation pipe are closed and disconnected, so that the flood irrigation pipe is extended to surround the roots of the trees, and then the flood irrigation holes are directed to the roots of the trees, which is convenient for sufficient irrigation of the trees. The water required varies according to the size of the trees. When the corresponding tree is irrigated, the corresponding flood irrigation pipe is directly closed through the stop valve to avoid excessive water for irrigating smaller trees.

[0039] Preferably, by setting the adjusting pipe as a flexible pipe, it is convenient to arrange the flood irrigation pipe to the root of the corresponding tree.

[0040] Embodiment 3

[0041] The utility model discloses a device for irrigating gardens, such as Figure 1 As shown, the drip irrigation mechanism includes a support structure and a drip irrigation structure. The support structure includes a plurality of support columns 13. The plurality of support columns 13 are sequentially connected by a flexible iron wire 14. The drip irrigation structure includes a second water supply pipe 15. The second water supply pipe 15 is a flexible pipe. One end of the second water supply pipe 15 is connected to the water supply structure. The second on-off valve 2 is located on the second water supply pipe 15 close to the water supply structure. The second water supply pipe 15 is connected to the flexible iron wire 14 by a winding belt 16. The second water supply pipe 15 is connected with a plurality of drip irrigation through holes 17 at equal intervals.

[0042] A soil breaking tooth 18 is connected to the bottom of the support column 13 , and a plurality of fixing grooves 19 are provided on the outer wall of the support column 13 . The plurality of fixing grooves 19 are arranged at equal intervals from top to bottom along the support column 13 .

[0043] The specific implementation method of this embodiment is: by inserting a plurality of support columns above the flower branches respectively, and then connecting the plurality of support columns through flexible iron wires, and then arranging a second water supply pipe to be connected to the flexible iron wires, and bundling the second water supply pipe and the flexible iron wires through a winding belt, so that the drip irrigation through hole on the second water supply pipe is located above the flower branches, so as to facilitate continuous drip irrigation of water to the roots of the flower branches.

[0044] Preferably, the soil-breaking teeth connected to the bottom of the support column are convenient for insertion into the soil, and the fixing grooves provided on the support column are convenient for fixing the iron wire to the support column. A plurality of fixing grooves are provided to facilitate winding the iron wire at different heights, thereby facilitating the drip irrigation holes to be located at different heights, thereby facilitating drip irrigation of different flower branches.

[0045] Preferably, the second on-off valve is located at the front end of the second water supply pipe. When drip irrigation is not needed, the second on-off valve is used to close the channel inside the second water supply pipe. The other end of the second water supply pipe is sealed so that water can only be discharged through the drip irrigation hole.

[0046] Embodiment 4

[0047] The utility model discloses a device for irrigating gardens, such as Figure 1 , Figure 2As shown, the sprinkler mechanism includes a third water supply pipe 20 and a plurality of support rods 21. One end of the third water supply pipe 20 is connected to the water supply structure. The third on-off valve 3 is located on the third water supply pipe 20 close to the water supply structure. The third water supply pipe 20 is connected to a plurality of sprinkler structures. The plurality of sprinkler structures correspond to the support rods 21 one by one and are also connected by a winding belt 16. The bottom of the support rod 21 is also connected to a soil-breaking tooth 18.

[0048] The sprinkler irrigation structure includes a first water spray pipe 22 and a second water spray pipe 23. The lower end of the first water spray pipe 22 is connected to the third water supply pipe 20, and the upper end of the second water spray pipe 23 is connected to a sprinkler nozzle 24. The lower part of the second water spray pipe 23 is telescopically connected to the upper part of the first water spray pipe 22, and the lower end of the second water spray pipe 23 is connected to a sealing ring 25, and the outer wall of the sealing ring 25 is interference fit with the inner wall of the first water spray pipe 22.

[0049] The specific implementation method of this embodiment is: one end of the third water supply pipe is used to connect with the water supply structure, so that the water for sprinkler irrigation enters the third water supply pipe, and then the water for sprinkler irrigation is sprayed out through the sprinkler irrigation structure. The support rod is used to fix the sprinkler irrigation structure, and the support rod is inserted into the soil, and then the sprinkler irrigation structure and the support rod are fixed by a winding belt.

[0050] Preferably, the third on-off valve is located at the front end of the third water supply pipe. When sprinkler irrigation is not needed, the third on-off valve is used to close the channel inside the third water supply pipe. The other end of the third water supply pipe is closed so that the water can only be discharged through the sprinkler nozzle.

[0051] The lower end of the first water spray pipe is connected to the third water supply pipe, and the second water spray pipe is telescopically connected to the first water spray pipe to facilitate adjustment of the height of the sprinkler nozzle, thereby facilitating coverage of a larger area of ​​lawn, reducing the number of sprinkler irrigation structures while meeting sprinkler irrigation needs, and sealing the connection between the second water spray pipe and the first water spray pipe through a sealing ring, while avoiding the problem of the second water spray pipe sliding down during use.

[0052] Preferably, the first water spray pipe and the second water spray pipe are conveniently bundled separately by a winding belt, so as to achieve the purpose of fully fixing the first water spray pipe and the second water spray pipe.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made by any technician familiar with the field within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for irrigating gardens. Features: The invention comprises a water supply structure, one end of which is connected to a structure for providing a water body, the other end of which is connected to a flooding mechanism, a first opening and closing valve (1) is connected between the flooding mechanism and the water supply structure, the other end of which is also connected to a drip irrigation mechanism, a second opening and closing valve (2) is connected between the drip irrigation mechanism and the water supply structure, the other end of which is also connected to a sprinkler irrigation mechanism, a third opening and closing valve (3) is connected between the sprinkler irrigation mechanism and the water supply structure, and the flooding mechanism, the drip irrigation mechanism and the sprinkler irrigation mechanism are arranged side by side with a gap between them.

2. A device for irrigating gardens according to claim 1, Features: The water supply structure comprises a water supply pump (4), one end of the water supply pump (4) is connected to a water suction pipe (5), one end of the water suction pipe (5) is connected to a water storage tank (6), the other end of the water supply pump (4) is connected to a main water supply pipe (7), the main water supply pipe (7) is a flexible pipe, and the front end of the main water supply pipe (7) is respectively connected to a flood irrigation mechanism, a drip irrigation mechanism, and a sprinkler irrigation mechanism.

3. A device for irrigating gardens according to claim 1, Features: The flooding mechanism comprises a first water supply pipe (8), the first water supply pipe (8) being a flexible pipe, one end of the first water supply pipe (8) being connected to a water supply structure, a first opening and closing valve (1) being located on the first water supply pipe (8) close to the water supply structure, the other end of the first water supply pipe (8) being closed, a plurality of flooding structures being connected to the first water supply pipe (8), and the plurality of flooding structures being arranged in a staggered manner along the first water supply pipe (8).

4. A device for irrigating gardens according to claim 3, Features: The flood irrigation structure comprises a regulating pipe (9), one end of which is connected to a first water supply pipe (8), and the other end of which is connected to a flood irrigation pipe (10). The flood irrigation pipe (10) is an annular pipe with two ends closed, and a plurality of flood irrigation through holes (11) are evenly distributed on the annular pipe. Both the regulating pipe (9) and the flood irrigation pipe (10) are flexible pipes, and a stop valve (12) is connected between the regulating pipes (9).

5. A device for irrigating gardens according to claim 1, Features: The drip irrigation mechanism comprises a support structure and a drip irrigation structure. The support structure comprises a plurality of support columns (13). The plurality of support columns (13) are connected in sequence through a flexible iron wire (14). The drip irrigation structure comprises a second water supply pipe (15). The second water supply pipe (15) is a flexible pipe. One end of the second water supply pipe (15) is connected to the water supply structure. The second opening and closing valve (2) is located on the second water supply pipe (15) close to the water supply structure. The second water supply pipe (15) is connected to the flexible iron wire (14) through a winding belt (16). The second water supply pipe (15) is provided with a plurality of drip irrigation through holes (17) at equal intervals.

6. A device for irrigating gardens according to claim 5, Features: The bottom of the support column (13) is connected with a soil breaking tooth (18), and the outer wall of the support column (13) is provided with a plurality of fixing grooves (19), which are arranged at equal intervals from top to bottom along the support column (13).

7. A device for irrigating gardens according to claim 1, Features: The sprinkler irrigation mechanism comprises a third water supply pipe (20) and a plurality of support rods (21); one end of the third water supply pipe (20) is connected to a water supply structure; a third on-off valve (3) is located on the third water supply pipe (20) near the water supply structure; the third water supply pipe (20) is connected to a plurality of sprinkler irrigation structures; the plurality of sprinkler irrigation structures correspond to the support rods (21) one by one and are also connected via a winding belt (16); and the bottom of the support rods (21) is also connected to a soil breaking tooth (18).

8. A device for irrigating gardens according to claim 7, Features: The sprinkler irrigation structure comprises a first water spray pipe (22) and a second water spray pipe (23); the lower end of the first water spray pipe (22) is connected to a third water supply pipe (20); the upper end of the second water spray pipe (23) is connected to a sprinkler nozzle (24); the lower part of the second water spray pipe (23) is telescopically connected to the upper part of the first water spray pipe (22); the lower end of the second water spray pipe (23) is connected to a sealing ring (25); the outer wall of the sealing ring (25) is interference-connected to the inner wall of the first water spray pipe (22).

Images