阅读说明：本技术 一种用于园林的防护效果好的便捷型浇灌装置 (A convenient type watering device that protective effect is good for gardens ) 是由 特尼格日 于 2019-11-26 设计创作，主要内容包括：本发明涉及一种用于园林的防护效果好的便捷型浇灌装置,包括水管和至少两个喷嘴,所述水管竖向设置,所述水管上设有至少两个安装孔,所述安装孔以水管的轴线为中心周向均匀分布,所述安装孔的轴线与水管的轴线垂直且相交,所述喷嘴与安装孔一一对应且安装在安装孔上,所述水管内设有过滤机构,所述水管上设有防护机构,所述防护机构包括收集槽、防护管、推动环和至少两个气缸,所述过滤机构包括密封柱、密封环、移动环、滤网、清洁组件、移动组件和至少两个排污孔,该用于园林的防护效果好的便捷型浇灌装置通过过滤机构实现了过滤的功能,避免喷嘴堵塞,不仅如此,还通过防护机构实现了防护功能,避免喷嘴受到外力作用而损。(The invention relates to a convenient irrigation device with good protection effect for gardens, which comprises a water pipe and at least two nozzles, wherein the water pipe is vertically arranged, at least two mounting holes are arranged on the water pipe, the mounting holes are circumferentially and uniformly distributed by taking the axis of the water pipe as the center, the axis of the mounting holes is perpendicular to and intersected with the axis of the water pipe, the nozzles and the mounting holes are in one-to-one correspondence and are arranged on the mounting holes, a filtering mechanism is arranged in the water pipe, a protection mechanism is arranged on the water pipe, the protection mechanism comprises a collecting tank, a protection pipe, a push ring and at least two cylinders, the filtering mechanism comprises a sealing column, a sealing ring, a moving ring, a filter screen, a cleaning assembly, a moving assembly and at least two sewage discharge holes, the convenient irrigation device with good protection effect for gardens realizes the filtering function through the filtering mechanism and avoids the nozzles from being blocked, moreover, the protection function is realized through the protection mechanism, and the nozzle is prevented from being damaged by external force.)

1. The convenient irrigation device for gardens with good protection effect comprises a water pipe (1) and at least two nozzles (2), wherein the water pipe (1) is vertically arranged, at least two mounting holes are formed in the water pipe (1), the mounting holes are uniformly distributed by taking the axis of the water pipe (1) as the central circumferential direction, the axis of each mounting hole is perpendicular to and intersected with the axis of the water pipe (1), the nozzles (2) are in one-to-one correspondence with the mounting holes and are mounted on the mounting holes, and the irrigation device is characterized in that a filtering mechanism is arranged in the water pipe (1), and a protection mechanism is arranged on the water pipe (1);

the protection mechanism comprises a collecting tank (3), a protection pipe (4), a pushing ring (5) and at least two cylinders (6), the collecting tank (3) is cylindrical, assembling holes are formed in the collecting tank (3), the protection pipe (4), the pushing ring (5), the collecting tank (3) and the assembling holes are coaxially arranged with the water pipe (1), the aperture of each assembling hole and the inner diameter of the pushing ring (5) are equal to the outer diameter of the water pipe (1), the inner diameter of the protection pipe (4) is larger than the outer diameter of the water pipe (1), the outer diameter of the protection pipe (4) is equal to the outer diameter of the pushing ring (5) and the outer diameter of the collecting tank (3), the water pipe (1) sequentially penetrates through the assembling holes, the protection pipe (4) and the pushing ring (5), the water pipe (1) is in sealed and fixed connection with the inner wall of the assembling holes, and the water pipe (1) is in sealed and connected with the inner wall of the pushing ring (5) in a sliding manner, the nozzle (2) is arranged in the protection pipe (4), the top end of the protection pipe (4) is hermetically and fixedly connected with the bottom of the pushing ring (5), the bottom end of the protection pipe (4) is abutted against and hermetically connected with the top of the collecting tank (3), the cylinders (6) are in one-to-one correspondence with the nozzles (2), the cylinders (6) are arranged on one side, far away from the collecting tank (3), of the pushing ring (5), the cylinders (6) are fixed on the water pipe (1), and the cylinders (6) drive the pushing ring (5) to move along the axial direction of the water pipe (1);

the filtering mechanism comprises a sealing column (7), a sealing ring (8), a moving ring (9), a filter screen (10), a cleaning assembly, a moving assembly and at least two sewage discharging holes, wherein the sewage discharging holes correspond to the nozzles (2) one to one and are located between the nozzles (2) and the push ring (5), the sealing column (7), the moving ring (9) and the sealing ring (8) are coaxially arranged with the water pipe (1), the diameter of the sealing column (7), the outer diameter of the moving ring (9) and the outer diameter of the sealing ring (8) are equal to the inner diameter of the water pipe (1), the length of the sealing column (7) and the length of the moving ring (9) are equal to each other when being larger than the aperture of the sewage discharging holes, the length of the sealing ring (8) is larger than the aperture of the mounting hole, the axis of the sewage discharging hole is located at the middle end of the sealing column (7), the moving ring (9) is located at one side, close to the nozzles (2), of, sealing ring (8) are located the one side of keeping away from sealed post (7) of shift ring (9), all be equipped with clearance and fixed connection between shift ring (9) and sealed post (7) and sealing ring (8), install in the ring hole of shift ring (9) filter screen (10), the bottom of shift ring (9) and the bottom of filter screen (10) are in the coplanar, the removal subassembly sets up the top at sealed post (7), the axial displacement of removal subassembly drive sealed post (7) along water pipe (1), clean subassembly sets up the bottom at filter screen (10).

2. A sheltered portable irrigation device for use in gardens as claimed in claim 1 wherein, the cleaning component comprises a scraping rod (11), a paddle (12), a transmission shaft (13) and a bearing (14), the transmission shaft (13) and the sealing ring (8) are coaxially arranged, the diameter of the transmission shaft (13) is smaller than the inner diameter of the sealing ring (8), the axis of the scraping rod (11) is vertical to and intersected with the axis of the transmission shaft (13), the length of the scraping rod (11) is larger than the aperture of the annular hole of the moving ring (9), the paddle (12) is arranged at the bottom end of the transmission shaft (13), the middle end of the scraping rod (11) is fixed at the top end of the transmission shaft (13), the scraping rod (11) is abutted against the bottom of the filter screen (10), the inner ring of the bearing (14) is arranged on the transmission shaft (13), and the outer ring of the bearing (14) is fixed on the inner wall of the sealing ring (8).

3. The convenient irrigation device with good protection effect for gardens as claimed in claim 1, wherein the moving assembly comprises an electromagnet (15) and two guiding units, the electromagnet (15) is fixed on the inner wall of the water pipe (1), a gap is arranged between the electromagnet (15) and the sealing column (7), the sealing column (7) is made of iron, the distance between the electromagnet (15) and the sealing column (7) and the distance between the middle end of the moving ring (9) and the axis of the sewage drainage hole are equal to the distance between the middle end of the sealing ring (8) and the axis of the mounting hole, the electromagnet (15) is positioned between the two guiding units, and the guiding units drive the sealing column (7) to move towards the direction close to the moving ring (9).

4. The convenient irrigation device with good protection effect for gardens as claimed in claim 3, wherein the guiding unit comprises a guide rod (16), a connecting block (17), a supporting block (18), a spring (19) and a through hole, the guide rod (16) is parallel to the water pipe (1), the bottom end of the guide rod (16) is fixed on the sealing column (7), the connecting block (17) is fixed on the top end of the guide rod (16), the supporting block (18) is located between the connecting block (17) and the sealing column (7), the distance between the supporting block (18) and the sealing column (7) is greater than the distance between the electromagnet (15) and the sealing column (7), the supporting block (18) is fixed on the inner wall of the water pipe (1), the through hole is arranged on the supporting block (18), the guide rod (16) passes through the through hole and is slidably connected with the inner wall of the through hole, the spring (19) is located between the connecting block (17) and the supporting block (18), the connecting block (17) is connected with the supporting block (18) through a spring (19).

5. A garden-friendly portable irrigation device according to claim 4 and further characterised in that said guide rods (16) are coated with a lubricating oil.

6. A sheltered portable irrigation device for use in gardens as claimed in claim 4 wherein both ends of the guide bar (16) are chamfered.

7. A portable irrigation device with improved protection for gardens as claimed in claim 1, wherein the inner wall of the water pipe (1) is coated with sealing grease.

8. A portable irrigation device with good protection effect for gardens as claimed in claim 1, wherein the protection tube (4) is made of rubber.

9. The convenient irrigation device with good protection effect for gardens as claimed in claim 1, wherein the sealing ring (8) is provided with an anti-corrosion zinc coating.

10. A sheltered portable irrigation device for gardens as claimed in claim 1 wherein the water pipe (1) is black in colour.

Technical Field

The invention relates to the field of garden gardening, in particular to a convenient irrigation device with a good protection effect for gardens.

Background

The garden is created by applying engineering technology and artistic means in a certain region and by means of land form improvement, tree planting, flower and grass planting, building, garden path arrangement and the like, the beautiful natural environment and the rest region are called as a garden, wherein the irrigation equipment is an indispensable device in the garden and is mainly used for irrigating plants and ensuring that the plants can fully absorb water.

The nozzle on the existing irrigation equipment is mostly directly exposed in the air, is easy to be damaged by external force, reduces the protection effect, and moreover, in order to avoid the nozzle blockage, the filter screen can be usually installed, and after the long-term use, the filter screen is easy to be blocked by impurities, so that the frequent filter screen needs to be frequently replaced, and the convenience is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the convenient irrigation device for gardens with good protection effect is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a convenient irrigation device with good protection effect for gardens comprises a water pipe and at least two nozzles, wherein the water pipe is vertically arranged, at least two mounting holes are formed in the water pipe, the mounting holes are circumferentially and uniformly distributed by taking the axis of the water pipe as a center, the axis of each mounting hole is perpendicular to and intersected with the axis of the water pipe, the nozzles are in one-to-one correspondence with the mounting holes and are arranged on the mounting holes, a filtering mechanism is arranged in the water pipe, and a protection mechanism is arranged on the water pipe;

the protection mechanism comprises a collecting tank, a protection pipe, a pushing ring and at least two cylinders, the collecting tank is cylindrical, an assembly hole is formed in the collecting tank, the protection pipe, the pushing ring, the collecting tank and the assembly hole are coaxially arranged with a water pipe, the aperture of the assembly hole and the inner diameter of the pushing ring are equal to the outer diameter of the water pipe, the inner diameter of the protection pipe is larger than the outer diameter of the water pipe, the outer diameter of the protection pipe is equal to the outer diameter of the pushing ring and the outer diameter of the collecting tank respectively, the water pipe sequentially penetrates through the assembly hole, the protection pipe and the pushing ring, the water pipe is hermetically and fixedly connected with the inner wall of the assembly hole, the water pipe is slidably and hermetically connected with the inner wall of the pushing ring, the nozzle is arranged in the protection pipe, the top end of the protection pipe is hermetically and fixedly connected with the bottom of the pushing ring, and the bottom end of the protection pipe, the air cylinders correspond to the nozzles one to one, the air cylinders are arranged on one side, far away from the collecting tank, of the pushing ring, the air cylinders are fixed on the water pipe, and the air cylinders drive the pushing ring to move along the axial direction of the water pipe;

the filtering mechanism comprises a sealing column, a sealing ring, a moving ring, a filter screen, a cleaning component, a moving component and at least two sewage discharge holes, wherein the sewage discharge holes correspond to the nozzles one to one and are positioned between the nozzles and the push ring, the sealing column, the moving ring and the sealing ring are coaxially arranged with the water pipe, the diameter of the sealing column, the outer diameter of the moving ring and the outer diameter of the sealing ring are equal to the inner diameter of the water pipe, the length of the sealing column and the length of the moving ring are both greater than the diameter of the sewage discharge holes and are equal to each other, the length of the sealing ring is greater than the diameter of the mounting hole, the axis of the sewage discharge hole is positioned at the middle end of the sealing column, the moving ring is positioned at one side of the sealing column close to the nozzles, the sealing ring is positioned at one side of the moving ring far away from the sealing column, gaps and fixed connections are arranged, the bottom of removal ring is in the coplanar with the bottom of filter screen, the removal subassembly sets up the top at sealed post, the axial displacement of removal subassembly drive sealed post along the water pipe, clean subassembly sets up the bottom at the filter screen.

As preferred, in order to realize the function of clean filter screen, clean subassembly is including scraping pole, paddle, transmission shaft and bearing, the transmission shaft sets up with the sealing ring is coaxial, the diameter of transmission shaft is less than the internal diameter of sealing ring, the axis of scraping the pole is perpendicular and crossing with the axis of transmission shaft, the length of scraping the pole is greater than the aperture that removes the annulars, the bottom at the transmission shaft is installed to the paddle, the middle-end of scraping the pole is fixed on the top of transmission shaft, the bottom of scraping pole and filter screen supports and leans on, the inner circle of bearing is installed on the transmission shaft, the outer lane of bearing is fixed on the inner wall of sealing ring.

Preferably, in order to realize the function of moving the sealing post, the moving assembly comprises an electromagnet and two guide units, the electromagnet is fixed on the inner wall of the water pipe, a gap is formed between the electromagnet and the sealing post, the sealing post is made of iron, the distance between the electromagnet and the sealing post, the distance between the middle end of the moving ring and the axis of the sewage discharge hole and the distance between the middle end of the sealing ring and the axis of the mounting hole are equal, the electromagnet is positioned between the two guide units, and the guide units drive the sealing post to move towards the direction close to the moving ring.

Preferably, in order to realize the resetting of the sealing column, the guide unit comprises a guide rod, a connecting block, a supporting block, a spring and a through hole, the guide rod is parallel to the water pipe, the bottom end of the guide rod is fixed on the sealing column, the connecting block is fixed at the top end of the guide rod, the supporting block is located between the connecting block and the sealing column, the distance between the supporting block and the sealing column is greater than the distance between the electromagnet and the sealing column, the supporting block is fixed on the inner wall of the water pipe, the through hole is formed in the supporting block, the guide rod penetrates through the through hole and is in sliding connection with the inner wall of the through hole, the spring is located between the connecting block and the.

Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the guide bar and the inner wall of the through-hole.

Preferably, in order to facilitate the installation of the guide rod, both ends of the guide rod are provided with chamfers.

Preferably, in order to reduce the gap between the sealing post, the moving ring and the sealing ring and the inner wall of the water pipe, the inner wall of the water pipe is coated with sealing grease.

Preferably, in order to realize the functions of buffering and vibration reduction, the protective tube is made of rubber.

Preferably, in order to prolong the service life of the sealing ring, the sealing ring is provided with an anti-corrosion zinc coating.

Preferably, the water pipe is black in color to realize the anti-freezing function.

The convenient irrigation device for gardens with good protection effect has the advantages that the filtration function is realized through the filtering mechanism, the nozzle blockage is avoided, compared with the existing filtering mechanism, the filtering mechanism can realize the function of removing impurities on the filter screen, the frequency of replacing the filter screen is reduced, the convenience is improved, in addition, the scraping rod is rotated by taking the flow of water as the driving force, the energy is saved, the environment is protected, in addition, the protection function is realized through the protection mechanism, the nozzle is prevented from being damaged by the action of external force, compared with the existing protection mechanism, the protection mechanism also realizes the function of collecting the impurities on the filter screen, and the practicability is stronger.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a convenient watering device for gardens with good protection effect;

FIG. 2 is a cross-sectional view of a portable irrigation device for use in gardens that is well protected;

FIG. 3 is a schematic view of the cleaning assembly of the portable irrigation device for gardening with good protection effect;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1. the water pipe, the nozzle, the collecting tank, the protective pipe, the pushing ring, the cylinder, the sealing column, the sealing ring, the moving ring, the filter screen, the scraping rod, the blade, the transmission shaft, the bearing, the electromagnet, the guide rod, the connecting block, the supporting block and the spring are sequentially arranged from top to bottom, and the guide rod is arranged on the water pipe and comprises a water pipe, a nozzle, a collecting tank, a protective pipe, a pushing ring, a cylinder, a sealing column and a guide rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a convenient irrigation device with good protection effect for gardens comprises a water pipe 1 and at least two nozzles 2, wherein the water pipe 1 is vertically arranged, at least two mounting holes are arranged on the water pipe 1, the mounting holes are circumferentially and uniformly distributed by taking the axis of the water pipe 1 as the center, the axis of the mounting holes is perpendicular to and intersected with the axis of the water pipe 1, the nozzles 2 are in one-to-one correspondence with the mounting holes and are arranged on the mounting holes, a filtering mechanism is arranged in the water pipe 1, and a protection mechanism is arranged on the water pipe 1;

the protection mechanism comprises a collecting tank 3, a protection pipe 4, a pushing ring 5 and at least two cylinders 6, the collecting tank 3 is cylindrical, assembly holes are formed in the collecting tank 3, the protection pipe 4, the pushing ring 5, the collecting tank 3 and the assembly holes are coaxially arranged with a water pipe 1, the aperture of each assembly hole and the inner diameter of each pushing ring 5 are equal to the outer diameter of the water pipe 1, the inner diameter of each protection pipe 4 is larger than the outer diameter of the water pipe 1, the outer diameter of each protection pipe 4 is respectively equal to the outer diameter of each pushing ring 5 and the outer diameter of the collecting tank 3, the water pipe 1 sequentially penetrates through the assembly holes, the protection pipes 4 and the pushing rings 5, the water pipes 1 are hermetically and fixedly connected with the inner walls of the assembly holes, the inner walls of the water pipes 1 and the pushing rings 5 are slidably and hermetically connected, the nozzles 2 are arranged in the protection pipes 4, and the top ends of the protection pipes 4 are hermetically and fixedly connected with, the bottom end of the protection pipe 4 is abutted against and hermetically connected with the top of the collecting tank 3, the air cylinders 6 correspond to the nozzles 2 one by one, the air cylinders 6 are arranged on one side, away from the collecting tank 3, of the pushing ring 5, the air cylinders 6 are fixed on the water pipe 1, and the air cylinders 6 drive the pushing ring 5 to move along the axial direction of the water pipe 1;

the filtering mechanism comprises a sealing column 7, a sealing ring 8, a moving ring 9, a filter screen 10, a cleaning assembly, a moving assembly and at least two sewage discharging holes, wherein the sewage discharging holes correspond to the nozzles 2 one to one and are located between the nozzles 2 and the push rings 5, the sealing column 7, the moving ring 9 and the sealing ring 8 are coaxially arranged with the water pipe 1, the diameter of the sealing column 7, the outer diameter of the moving ring 9 and the outer diameter of the sealing ring 8 are equal to the inner diameter of the water pipe 1, the length of the sealing column 7 and the length of the moving ring 9 are both larger than the diameter of the sewage discharging holes, the length of the sealing ring 8 is larger than the diameter of the mounting hole, the axis of the sewage discharging holes is located at the middle end of the sealing column 7, the moving ring 9 is located at one side of the sealing column 7 close to the nozzles 2, the sealing ring 8 is located at one side of the moving ring 9 far away from the sealing column 7, gaps and fixed connections are, the utility model discloses a water pipe cleaning device, including removal ring 9, filter screen 10, removal ring 9, removal subassembly setting is at the top of sealed post 7, the sealed post 7 of removal subassembly drive is along the axial displacement of water pipe 1, clean subassembly setting is in the bottom of filter screen 10, the bottom of removal ring 9 is in the coplanar with the bottom of filter screen 10, the removal subassembly sets up on the top of sealed post 7.

The bottom end of a water pipe 1 is connected with an external water supply device, water is conveyed into the water pipe 1 through the water supply device, the water sequentially flows through annular holes of a sealing ring 8 and annular holes of a moving ring 9 and is finally sprayed out of a nozzle 2, impurities in the water can be intercepted through a filter screen 10 to avoid the blockage of the nozzle 2, during the water spraying period, a pushing ring 5 is moved towards the direction far away from a collecting tank 3 through an air cylinder 6, the moving of the pushing ring 5 drives a protecting pipe 4 to move, so that a gap is generated between the protecting pipe 4 and the collecting tank 3, the nozzle 2 is convenient to spray the water, when the impurities on the filter screen 10 need to be cleared, the water supply device stops supplying the water, a sealing column 7 is moved towards the direction far away from the moving ring 9 through a moving assembly, the moving ring 9 is moved to one side of a sewage discharge hole far away from the nozzle 2, and the sealing ring 8 is moved to the right, at this moment, water supply installation supplies water once more, make water flow from the blowoff hole, impurity and filter screen 10 separation on the filter screen 10 are made through clean subassembly in the interim, and flow out from the blowoff hole under the rivers effect, here, strike on the inner wall of protecting tube 4 and drip to in collecting vat 3 from blowoff hole exhaust water, the function of collecting impurity has been realized promptly, avoid impurity to drip to the plant, impurity clears away the back that finishes, rethread removes the subassembly and makes sealed post 7, shift ring 9 and sealing ring 8 reset, make sealed post 7 plug up the blowoff hole, and make nozzle 2 realize the water spray, the back of finishing, it resets to make through cylinder 6 push ring 5, the drive protecting tube 4 that resets of push ring 5 resets and makes protecting tube 4 and collecting vat 3 support to lean on, make nozzle 2 be in sealed space, avoid nozzle 2 to receive exogenic action and damage, the function of protection has been realized.

As shown in fig. 3, the cleaning assembly includes scraping pole 11, paddle 12, transmission shaft 13 and bearing 14, transmission shaft 13 and the coaxial setting of sealing ring 8, the diameter of transmission shaft 13 is less than the internal diameter of sealing ring 8, the axis of scraping pole 11 is perpendicular and crossing with the axis of transmission shaft 13, the length of scraping pole 11 is greater than the aperture of shift ring 9 trepan boring, paddle 12 installs the bottom at transmission shaft 13, the middle-end of scraping pole 11 is fixed on the top of transmission shaft 13, scrape the bottom of pole 11 and filter screen 10 and lean on, the inner circle of bearing 14 is installed on transmission shaft 13, the outer lane of bearing 14 is fixed on the inner wall of sealing ring 8.

The flow of water in the water pipe 1 is used as driving force, so that the paddle 12 drives the transmission shaft 13 to rotate under the supporting action of the bearing 14, the rotation of the transmission shaft 13 drives the scraping rod 11 to rotate, the scraping rod 11 scrapes impurities on the filter screen 10, and the function of cleaning the filter screen 10 is realized.

As shown in fig. 4, the moving assembly includes an electromagnet 15 and two guiding units, the electromagnet 15 is fixed on the inner wall of the water pipe 1, a gap is provided between the electromagnet 15 and the sealing post 7, the sealing post 7 is made of iron, the distance between the electromagnet 15 and the sealing post 7, the distance between the middle end of the moving ring 9 and the axis of the sewage draining hole, and the distance between the middle end of the sealing ring 8 and the axis of the installation hole are equal, the electromagnet 15 is located between the two guiding units, and the guiding units drive the sealing post 7 to move towards the direction close to the moving ring 9.

When the electromagnet 15 is electrified, the electromagnet 15 and the ferrous sealing column 7 generate attraction force, so that the sealing column 7 moves towards the electromagnet 15, and when the electromagnet 15 is powered off, the sealing column 7 is reset under the elastic action of the spring 19.

Preferably, in order to reset the sealing post 7, the guide unit includes a guide rod 16, a connecting block 17, a supporting block 18, a spring 19 and a through hole, the guide rod 16 is parallel to the water pipe 1, the bottom end of the guide rod 16 is fixed on the sealing post 7, the connecting block 17 is fixed at the top end of the guide rod 16, the supporting block 18 is located between the connecting block 17 and the sealing post 7, the distance between the supporting block 18 and the sealing post 7 is greater than the distance between the electromagnet 15 and the sealing post 7, the supporting block 18 is fixed on the inner wall of the water pipe 1, the through hole is formed in the supporting block 18, the guide rod 16 passes through the through hole and is slidably connected with the inner wall of the through hole, the spring 19 is located between the connecting block 17 and the supporting block 18, and the connecting block 17.

When the sealing column 7 moves towards the direction far away from the nozzle 2, the sealing column 7 drives the guide rod 16 to synchronously move on the supporting block 18, the spring 19 stretches, after the electromagnet 15 is powered off, the sealing column 7 is reset under the elastic action of the spring 19, and during the water spraying of the nozzle 2, the elastic acting force of the spring 19 on the sealing column 7 is greater than the water pressure acting force on the sealing column 7, so that the function of supporting the sealing column 7 is also achieved.

Preferably, the guide bar 16 is coated with a lubricating oil in order to reduce the frictional force between the guide bar 16 and the inner wall of the through-hole.

The lubricating oil has the function of reducing the friction force between the guide rod 16 and the inner wall of the through hole and improving the moving fluency of the guide rod 16.

Preferably, to facilitate the installation of the guide bar 16, both ends of the guide bar 16 are chamfered.

The chamfer serves to reduce the diameter of the guide rod 16 as it passes through the through hole, and serves to facilitate installation.

Preferably, in order to reduce the gap between the sealing post 7, the moving ring 9 and the sealing ring 8 and the inner wall of the water pipe 1, the inner wall of the water pipe 1 is coated with sealing grease.

The sealing grease has the function of reducing the gaps between the sealing column 7, the moving ring 9 and the sealing ring 8 and the inner wall of the water pipe 1, and improves the sealing property.

Preferably, the protective tube 4 is made of rubber to achieve the functions of buffering and vibration reduction.

The rubber texture is comparatively soft, can reduce the protective tube 4 and support the impact force that produces when leaning on with collecting vat 3, has played the function of buffering and damping.

Preferably, in order to prolong the service life of the sealing ring 8, the sealing ring 8 is provided with an anti-corrosion zinc coating.

The function of the anti-corrosion zinc coating is to improve the anti-rust capability of the sealing ring 8 and prolong the service life of the sealing ring 8.

Preferably, the water pipe 1 is black in color to perform an anti-freezing function.

The black color has a strong ability to absorb light, so that the ability to convert light energy into heat energy can be improved, i.e., the anti-freezing function can be improved.

The bottom end of a water pipe 1 is connected with an external water supply device, water is conveyed into the water pipe 1 through the water supply device, the water sequentially flows through an annular hole of a sealing ring 8 and an annular hole of a moving ring 9 and is finally sprayed out of a nozzle 2, impurities in the water can be intercepted through a filter screen 10 to avoid the nozzle 2 from being blocked, during water spraying, a pushing ring 5 is moved towards the direction away from a collecting tank 3 through an air cylinder 6, the moving of the pushing ring 5 drives a protecting pipe 4 to move, so that a gap is generated between the protecting pipe 4 and the collecting tank 3, the nozzle 2 is convenient to spray the water, when the impurities on the filter screen 10 need to be cleaned, the water supply device stops supplying the water, an electromagnet 15 is electrified, an interaction attraction acting force is generated between the electromagnet 15 and an iron sealing column 7, so that the sealing column 7 moves towards the direction close to the electromagnet 15, and the moving ring 9 moves to the side, away from the, and make the seal ring 8 move to the dead against position of the mounting hole and realize the effect of the sealed mounting hole, at this moment, the water supply installation supplies water again, make water flow out from the blow-off hole, during, as the driving force through the flow of water in the conduit 1, make the paddle 12 drive the drive shaft 13 to rotate under the supporting action of the bearing 14, the rotation of the drive shaft 13 drives and scrapes the pole 11 to rotate, thus make the pole 11 scrape the impurity on the filter screen 10 and flow out from the blow-off hole under the function of rivers, here, the water discharged from blow-off hole strikes on the inner wall of the protective tube 4 and drips to the collecting vat 3, namely has realized the function of collecting the impurity, avoid the impurity to drip to the plant, after the impurity is cleared up, the electricity of electromagnet 15 is cut off, make the seal post 7 reset under the elastic action of the spring 19, the reset of the seal post 7 drives the shifting ring 9 and the seal ring 8 to reset, and make nozzle 2 realize spraying water, after the watering finishes, make through cylinder 6 and push away the ring 5 and reset, push away the ring 5 reset and drive protecting tube 4 and reset and make protecting tube 4 and collecting vat 3 support and lean on, make nozzle 2 be in sealed space, avoid nozzle 2 to receive exogenic action and damage, realized the function of protection.

Compared with the prior art, this a convenient type watering device that is used for the protecting effect in gardens good has realized filterable function through filtering mechanism, avoid nozzle 2 to block up, compare with current filtering mechanism, this filtering mechanism can realize cleaing away the function of impurity on the filter screen 10, reduce the frequency of changing filter screen 10, the convenience has been improved, and, flow through water makes scraping rod 11 and rotates as drive power, it is more energy-concerving and environment-protective, moreover, still realize safeguard function through safeguard mechanism, avoid nozzle 2 to receive exogenic action and damage, compare with current safeguard mechanism, this safeguard mechanism still makes the function of having realized collecting impurity on the filter screen 10, the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.