Filtering type electromagnetic valve for irrigation

Abstract

The utility model discloses a filtering type solenoid valve for irrigation, which relates to the technical field of solenoid valves, and comprises a solenoid valve body, the left side of the solenoid valve body is fixedly provided with a water inlet pipe, and the front part of the inner cavity of the water inlet pipe is fixedly provided with a filtering and cleaning assembly. According to the filtering type electromagnetic valve for irrigation, impurities entering the water inlet pipe can be intercepted through the filtering and cleaning assembly, the multiple scraping plates can scrape off the impurities attached to the filtering net in the water flowing process, and the filtering net does not need to be regularly detached for cleaning all the time. Impurities intercepted by the filter screen can be concentrated right above the rotating column through the collecting and discharging assembly, so that the impurities cannot be scattered and left at all positions in the water inlet pipe when no water flow passes through the electromagnetic valve. And by means of the fixed anti-rotation assembly, the rotating column can be prevented from rotating freely due to external force when the electromagnetic valve works, and the phenomenon of water flow leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valves, in particular to a filtering type electromagnetic valve for irrigation. Background Art

[0002] Irrigation solenoid valves are widely used in agriculture and gardening. They are actuators of the control system. Their function is to open and close the water flow in the pipeline according to the electrical signal sent by the control device. In actual production, due to incomplete or no filtration at the irrigation head, impurities exist in the pipeline, such as some gravel, dead leaves and branches, roots, plankton, etc., which prevent the solenoid valve diaphragm from being completely sealed, making the closing and opening of the solenoid valve not controlled by the signal sent by the control device.

[0003] Chinese patent document CN216382814U discloses a new type of filtering irrigation solenoid valve, which can filter impurities in the water flow when the water flows through the filter screen and the slag discharge valve, and it is also convenient to remove the impurities. At the same time, under the action of the positioning component and the sealing locking component, the filter screen can be easily positioned and disassembled, so that the user can clean or replace the filter screen to avoid clogging of the filter screen and affecting the filtering effect.

[0004] The prior art has the following problems: the solenoid valve needs to be regularly disassembled and assembled to clean the filter, which is troublesome, and the aging of the sealing gasket during long-term use will also affect the sealing of the solenoid valve. At the same time, the solenoid valve has no restrictions on the impurities intercepted by the filter, which easily causes the impurities to be scattered in the water inlet pipe of the solenoid valve, making it less effective in removing impurities. Utility Model Content

[0005] The utility model provides a filtering type irrigation electromagnetic valve to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A filtering irrigation solenoid valve comprises a solenoid valve body, a water inlet pipe is fixedly installed on the left portion of the solenoid valve body, a filtering and cleaning assembly is fixedly installed on the front portion of the inner cavity of the water inlet pipe, a collecting and discharging assembly is fixedly installed on the right position of the bottom portion of the outer wall of the water inlet pipe, and a fixed anti-rotation assembly is movably connected to the front portion of the collecting and discharging assembly.

[0008] Preferably, the filtering and cleaning assembly includes a filter net, the outer wall of the filter net is fixedly mounted to the right part of the inner wall of the water inlet pipe, a mounting plate is fixedly mounted at the middle position of the bottom of the inner wall of the water inlet pipe, the inner wall of the mounting plate is rotatably connected to a connecting shaft, and a plurality of fan blades arranged in a ring form are fixedly mounted on the left part of the outer wall of the connecting shaft.

[0009] Preferably, a plurality of scrapers arranged in a ring form are fixedly mounted on the right portion of the outer wall of the connecting shaft, and the right sides of the plurality of scrapers overlap with the left side of the filter screen.

[0010] Preferably, the collecting and discharging assembly includes a collecting box, the upper end of the collecting box is fixedly installed at the right position of the bottom of the outer wall of the water inlet pipe, the collecting box is connected to the water inlet pipe, a discharge pipe is fixedly installed at the lower end of the collecting box, a valve is fixedly installed on the inner wall of the discharge pipe, a rotating column is rotatably connected to the top position of the front and rear parts of the inner wall of the collecting box, a through groove is provided on the top of the outer wall of the rotating column, guide plates are fixedly installed at the top position of the left and right parts of the inner wall of the collecting box, and the lower ends of the two guide plates are close to each other and are slidably connected to the outer wall of the rotating column.

[0011] Preferably, a rotating shaft that passes through the front part of the collecting box is fixedly installed at the front end of the rotating column, a driving disk is fixedly sleeved on the front part of the outer wall of the rotating shaft, an arc-shaped groove is opened on the front right part of the driving disk, and a limiting rod is fixedly installed on the front bottom of the collecting box, and the outer wall of the limiting rod is movably sleeved on the inner wall of the arc-shaped groove.

[0012] Preferably, the fixed anti-rotation component includes a fixed plate, the middle portion of the rear side of the fixed plate is fixedly connected to the front end of the rotating shaft, a plurality of fixing holes arranged in a ring form are opened at the front edge of the fixed plate, a mounting sleeve is fixedly installed on the front bottom of the collecting box, a sliding block is slidably connected to the inner wall of the mounting sleeve, an insertion rod is fixedly installed on the front side of the sliding block, and the front portion of the outer wall of the insertion rod is movably sleeved with the inner walls of a plurality of fixing holes.

[0013] Preferably, a spring is fixedly mounted at the rear end of the sliding block, and the rear end of the spring is fixedly connected to the rear portion of the inner wall of the mounting sleeve.

[0014] Preferably, a slide groove is provided at the bottom of the outer wall of the mounting sleeve, an L-shaped push plate is fixedly installed at the bottom of the outer wall of the sliding block, and the left and right sides of the top of the push plate are movably connected to the inner wall of the slide groove.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a filtering irrigation solenoid valve, which can intercept impurities entering the water inlet pipe through the cooperation between the filter screen, the mounting plate, the connecting shaft, the fan blades and the scraper, and a plurality of scrapers can scrape off the debris stuck on the filter screen during the flow of water, which can effectively prevent the filter screen from being blocked, and there is no need to regularly disassemble the filter screen for cleaning, thereby improving the practicality of the solenoid valve.

[0017] The utility model provides a filtering irrigation electromagnetic valve, which can concentrate the debris intercepted by the filter screen just above the rotating column through the cooperation among the collecting box, the discharge pipe, the valve, the rotating column, the through groove, the guide plate, the rotating shaft, the driving disk and the limiting rod, so that the impurities will not be scattered and left at various positions in the water inlet pipe, thereby improving the impurity removal efficiency of the electromagnetic valve. Through the cooperation among the fixing plate, the mounting sleeve, the slider, the plug rod, the spring and the push plate, the rotating column can be prevented from rotating arbitrarily due to external force when the electromagnetic valve is working, so as to avoid the phenomenon of water leakage, thereby improving the practicality of the electromagnetic valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall rear view structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of the utility model when viewed from above;

[0021] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the explosion structure of the collection and discharge assembly of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the fixed anti-rotation component of the utility model.

[0024] In the figure: 1. solenoid valve body; 2. filter cleaning assembly; 3. collection and discharge assembly; 4. fixed anti-rotation assembly; 5. water inlet pipe; 21. filter screen; 22. mounting plate; 23. connecting shaft; 24. fan blade; 25. scraper; 31. collection box; 32. discharge pipe; 33. valve; 34. rotating column; 35. through groove; 36. guide plate; 37. rotating shaft; 38. drive disk; 39. arc groove; 310. limit rod; 41. fixed disk; 42. fixing hole; 43. mounting sleeve; 44. slider; 45. plug rod; 46. spring; 47. push plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 and Figure 2As shown, a filtering irrigation solenoid valve comprises a solenoid valve body 1, a water inlet pipe 5 is fixedly installed on the left part of the solenoid valve body 1, a filtering and cleaning component 2 is fixedly installed on the front part of the inner cavity of the water inlet pipe 5, a collecting and discharging component 3 is fixedly installed on the right position of the bottom of the outer wall of the water inlet pipe 5, and a fixed anti-rotation component 4 is movably connected to the front part of the collecting and discharging component 3.

[0027] The impurities entering the water inlet pipe 5 can be intercepted by the filtering and cleaning component 2, and the scrapers 25 can scrape off the debris stuck on the filter screen 21 during the water flow, so there is no need to regularly disassemble the filter screen 21 for cleaning. The debris intercepted by the filter screen 21 can be collected by the collecting and discharging component 3 just above the rotating column 34, so that when there is no water flow in the solenoid valve, the impurities will not be scattered in various positions in the water inlet pipe 5. At the same time, rotating the rotating column 34 can discharge the debris to the outside through the through groove 35. The fixing anti-rotation component 4 can prevent the rotating column 34 from rotating arbitrarily due to external force when the solenoid valve is working, so as to avoid the phenomenon of water leakage.

[0028] like Figure 4 As shown, the filtering and cleaning assembly 2 includes a filter screen 21, the outer wall of the filter screen 21 is fixedly installed on the right part of the inner wall of the water inlet pipe 5, a mounting plate 22 is fixedly installed at the middle position of the bottom of the inner wall of the water inlet pipe 5, the inner wall of the mounting plate 22 is rotatably connected to a connecting shaft 23, and a plurality of fan blades 24 arranged in a ring form are fixedly installed on the left part of the outer wall of the connecting shaft 23.

[0029] During irrigation, impurities in the pipeline are intercepted by the filter 21. The plurality of fan blades 24 drive the connecting shaft 23 to rotate due to the flow of water.

[0030] like Figure 4 As shown, a plurality of scrapers 25 arranged in a ring form are fixedly mounted on the right portion of the outer wall of the connecting shaft 23 , and the right sides of the plurality of scrapers 25 overlap with the left side of the filter screen 21 .

[0031] The connection shaft 23 rotates to drive a plurality of scrapers 25 to act on the surface of the filter screen 21, so that the debris on the surface of the filter screen 21 is scraped off. The material of the plurality of scrapers 25 is elastic material.

[0032] like Figure 3 and Figure 5As shown, the collecting and discharging assembly 3 includes a collecting box 31, the upper end of the collecting box 31 is fixedly installed at the right position of the bottom of the outer wall of the water inlet pipe 5, the collecting box 31 is connected to the water inlet pipe 5, the lower end of the collecting box 31 is fixedly installed with a discharge pipe 32, the inner wall of the discharge pipe 32 is fixedly installed with a valve 33, the top position of the front and rear parts of the inner wall of the collecting box 31 is rotatably connected with a rotating column 34, the top of the outer wall of the rotating column 34 is provided with a through groove 35, the top position of the left and right parts of the inner wall of the collecting box 31 are fixedly installed with guide plates 36, the lower ends of the two guide plates 36 are close to each other and are slidably connected to the outer wall of the rotating column 34.

[0033] Due to the arrangement of the guide plate 36 and the collection box 31, when the water flows through the solenoid valve, the intercepted impurities will be concentrated above the rotating column 34. When the rotating column 34 is rotated until the through slot 35 is located directly above, the impurities enter the collection box 31 through the through slot 35, and the subsequent impurities can be discharged to the outside through the discharge pipe 32, wherein the valve 33 can control the internal on and off of the discharge pipe 32.

[0034] like Figure 5 As shown, a rotating shaft 37 that passes through the front part of the collecting box 31 is fixedly installed at the front end of the rotating column 34, a driving disk 38 is fixedly sleeved on the front part of the outer wall of the rotating shaft 37, an arc-shaped groove 39 is opened on the front right part of the driving disk 38, and a limiting rod 310 is fixedly installed on the front bottom of the collecting box 31, and the outer wall of the limiting rod 310 is movably sleeved on the inner wall of the arc-shaped groove 39.

[0035] The rotating shaft 37 can be rotated by the driving disk 38, and the rotating shaft can drive the rotating column 34 to rotate. When the driving disk 38 rotates, the limiting rod 310 moves in the arc groove 39, and the limiting rod 310 can limit the rotation angle of the driving disk 38, wherein the rotation angle range of the driving disk 38 is 0°-90°.

[0036] like Figure 6 As shown, the fixed anti-rotation component 4 includes a fixed plate 41, the middle part of the rear side of the fixed plate 41 is fixedly connected to the front end of the rotating shaft 37, and a plurality of fixing holes 42 arranged in a ring form are opened at the front edge of the fixed plate 41. A mounting sleeve 43 is fixedly installed on the front bottom of the collecting box 31, and a slider 44 is slidably connected to the inner wall of the mounting sleeve 43. An insertion rod 45 is fixedly installed on the front side of the slider 44, and the front part of the outer wall of the insertion rod 45 is movably sleeved with the inner walls of the plurality of fixing holes 42.

[0037] When the driving disk 38 rotates to a specified position, the insertion rod 45 slides in the mounting sleeve 43 through the slider 44, so that the insertion rod 45 is inserted into the specified fixing hole 42, thereby fixing the fixing disk 41 and the driving disk 38 to prevent the rotating shaft 37 from driving the rotating column 34 to rotate due to external force.

[0038] like Figure 6As shown, a spring 46 is fixedly mounted at the rear end of the slider 44 , and the rear end of the spring 46 is fixedly connected to the rear portion of the inner wall of the mounting sleeve 43 .

[0039] The position of the plug rod 45 can be changed by moving the plug rod 45, so that the plug rod 45 can be quickly inserted into or disengaged from the designated fixing hole 42, thereby fixing or releasing the fixing effect of the fixing plate 41. When the plug rod 45 moves, the slider 44 moves accordingly and exerts a certain force on the spring 46. After the plug rod 45 is released, the elastic restoring force of the spring 46 drives the plug rod 45 to reset, and the plug rod 45 is inserted into the designated fixing hole 42.

[0040] like Figure 6 As shown, a slide groove is provided at the bottom of the outer wall of the mounting sleeve 43, and an L-shaped push plate 47 is fixedly installed at the bottom of the outer wall of the sliding block 44, and the left and right sides of the top of the push plate 47 are movably connected with the inner wall of the slide groove.

[0041] The operator can push the push plate 47 to move it in the slide groove, thereby driving the slider 44 to move, and the slider 44 drives the insertion rod 45 to move, so that the operator can adjust the position of the insertion rod 45 more conveniently.

[0042] The working principle of the utility model is as follows: when the solenoid valve is working, water flows in from the water inlet pipe 5, and impurities in the water flow are intercepted by the filter screen 21. The impurities will be concentrated between the two guide plates 36 and above the rotating column 34. When the water flows, the water flow drives the plurality of fan blades 24 to rotate, causing the connecting shaft 23 to rotate accordingly, thereby causing the plurality of scrapers 25 to act on the surface of the filter screen 21, so that the impurities contaminated on the surface of the filter screen 21 are scraped off to prevent the filter screen 21 from being blocked during operation.

[0043] When it is necessary to clean the impurities later, the solenoid valve is closed and the irrigation water flow no longer passes through the corresponding pipe connected to the solenoid valve, so that no water flows in the solenoid valve body 1. The staff pushes the push plate 47, and the push plate 47 drives the slider 44 to move in the slide groove and squeezes the spring 46. The slider 44 drives the insertion rod 45 to move backward and disengage from the corresponding fixing hole 42, so that the fixed disk 41 can rotate. The staff rotates the fixed disk 41, and the driving disk 38 is driven by the rotating shaft 37 to rotate accordingly. The driving disk 38 rotates a certain angle through the cooperation between the arc groove 39 and the limit rod 310. After releasing the push plate 47, the elastic restoring force of the spring 46 drives the insertion rod 45 to reset, so that the insertion rod 45 is reinserted into the new fixing hole 42 to fix the fixed disk 41.

[0044] At this time, the rotating column 34 rotates a certain angle through the rotating shaft 37 so that the through slot 35 is located directly above, and the accumulated impurities fall into the collection box 31 through the through slot 35, and then the impurities are discharged to the outside through the discharge pipe 32. After the impurities are discharged, the push plate 47 is pushed to rotate the fixed plate 41 to the original position again, and the push plate 47 is released and the rod is inserted to fix the fixed plate 41, so that the fixed plate 41 will not rotate at will due to external force.

[0045] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A filtering irrigation solenoid valve, comprising a solenoid valve body (1), characterized in that: A water inlet pipe (5) is fixedly mounted on the left side of the solenoid valve body (1); a filtering and cleaning assembly (2) is fixedly mounted on the front part of the inner cavity of the water inlet pipe (5); a collecting and discharging assembly (3) is fixedly mounted on the right part of the bottom of the outer wall of the water inlet pipe (5); a fixed anti-rotation assembly (4) is movably connected to the front part of the collecting and discharging assembly (3); the collecting and discharging assembly (3) comprises a collecting box (31); the upper end of the collecting box (31) is fixedly mounted on the right part of the bottom of the outer wall of the water inlet pipe (5); the collecting box (31) is connected to the water inlet pipe (5) and the collecting box (31) is fixedly mounted on the right part of the bottom of the outer wall of the water inlet pipe (5). (5) are connected, a discharge pipe (32) is fixedly installed at the lower end of the collecting box (31), a valve (33) is fixedly installed on the inner wall of the discharge pipe (32), a rotating column (34) is rotatably connected to the top positions of the front and rear parts of the inner wall of the collecting box (31), a through groove (35) is opened on the top of the outer wall of the rotating column (34), and guide plates (36) are fixedly installed at the top positions of the left and right parts of the inner wall of the collecting box (31), and the lower ends of the two guide plates (36) are close to each other and are slidably connected to the outer wall of the rotating column (34).

2. A filtering irrigation solenoid valve according to claim 1, characterized in that: The filtering and cleaning assembly (2) comprises a filter screen (21), the outer wall of the filter screen (21) is fixedly mounted on the right part of the inner wall of the water inlet pipe (5), a mounting plate (22) is fixedly mounted at the middle position of the bottom of the inner wall of the water inlet pipe (5), the inner wall of the mounting plate (22) is rotatably connected to a connecting shaft (23), and a plurality of fan blades (24) arranged in a ring form are fixedly mounted on the left part of the outer wall of the connecting shaft (23).

3. A filtering irrigation solenoid valve according to claim 2, characterized in that: A plurality of scrapers (25) arranged in a ring form are fixedly mounted on the right part of the outer wall of the connecting shaft (23), and the right sides of the plurality of scrapers (25) overlap with the left side of the filter screen (21).

4. The filter irrigation solenoid valve according to claim 1, characterized in that: A rotating shaft (37) penetrating the front part of the collecting box (31) is fixedly mounted on the front end of the rotating column (34); a driving disk (38) is fixedly sleeved on the front part of the outer wall of the rotating shaft (37); an arc-shaped groove (39) is provided on the front right part of the driving disk (38); a limiting rod (310) is fixedly mounted on the bottom of the front side of the collecting box (31); the outer wall of the limiting rod (310) is movably sleeved on the inner wall of the arc-shaped groove (39).

5. A filtering irrigation solenoid valve according to claim 4, characterized in that: The fixed anti-rotation assembly (4) comprises a fixed disk (41), the middle portion of the rear side of the fixed disk (41) is fixedly connected to the front end of the rotating shaft (37), a plurality of fixing holes (42) arranged in a ring form are provided at the front edge of the fixed disk (41), a mounting sleeve (43) is fixedly installed at the front bottom of the collecting box (31), a sliding block (44) is slidably connected to the inner wall of the mounting sleeve (43), an insertion rod (45) is fixedly installed on the front side of the sliding block (44), and the front portion of the outer wall of the insertion rod (45) is movably sleeved with the inner walls of the plurality of fixing holes (42).

6. A filtering irrigation solenoid valve according to claim 5, characterized in that: A spring (46) is fixedly mounted on the rear end of the slider (44), and the rear end of the spring (46) is fixedly connected to the rear portion of the inner wall of the mounting sleeve (43).

7. A filtering irrigation solenoid valve according to claim 6, characterized in that: A slide groove is provided at the bottom of the outer wall of the mounting sleeve (43), and an L-shaped push plate (47) is fixedly installed at the bottom of the outer wall of the sliding block (44). The left and right sides of the top of the push plate (47) are movably connected to the inner wall of the slide groove.

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