Pressure-regulating water-saving valve suitable for farmland irrigation in plain area

Abstract

The utility model discloses a pressure-regulating water-saving valve suitable for farmland irrigation in plain areas, and belongs to the field of agricultural water conservancy equipment.The pressure-regulating water-saving valve comprises a main valve body, a water inlet pipe is arranged on one side of the main valve body, a water outlet is formed in the side, away from the water inlet pipe, of the main valve body, and a filtering mechanism is arranged between the water inlet pipe and the main valve body; the flow sensor monitors the amount of water flowing through the valve in real time, the pressure sensor monitors the water pressure in the main valve body, the controller controls a motor to be turned on and turned off, the output end of the motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the moving plate to move, and the limiting rod limits the moving plate. And then the movable plate moves to drive the sliding rod to move, then the sliding rod moves to drive the piston to move, the pressure difference between the inlet and the outlet is adjusted, the problem that a traditional manual valve and an automatic valve are poor in performance in the aspects of adjusting precision, adaptability and reliability is solved, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural water conservancy equipment, in particular to a pressure regulating water saving valve suitable for farmland irrigation in plain areas. BACKGROUND

[0002] Agricultural irrigation mainly refers to irrigation operation in agricultural cultivation areas. Agricultural irrigation methods can be generally divided into traditional surface irrigation, ordinary sprinkling irrigation and micro-irrigation. Ancient agricultural irrigation in China relies on precipitation and rivers. With the development of modern agriculture, the intelligentization and precision of irrigation systems are required more and more.

[0003] At present, farmland irrigation in plain areas of China mostly depends on traditional manual valves or simple automatic valves, but the traditional manual valves and automatic valves perform poorly in terms of regulation accuracy, adaptability and reliability. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a pressure regulating water saving valve suitable for farmland irrigation in plain areas, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme: a pressure regulating water saving valve suitable for farmland irrigation in plain areas, comprising a main valve body, a water inlet pipe is formed on one side of the main valve body, a water outlet is formed on the side of the main valve body away from the water inlet pipe, a filtering mechanism is arranged between the water inlet pipe and the main valve body, a sewage discharge mechanism is arranged at the bottom of the filtering mechanism, an installation frame is arranged at the top of the main valve body, a pressure regulating mechanism is arranged in the installation frame, the pressure regulating mechanism comprises a motor, the motor is fixedly connected with the installation frame, a threaded rod is fixedly connected with the output end of the motor, the threaded rod is rotatably connected with the main valve body, a moving plate is threadedly connected with the outer portion of the threaded rod, a limiting rod is slidably connected with the inner portion of the moving plate, the limiting rod is fixedly connected with the installation frame and the main valve body at both ends, a sliding rod is fixedly connected with the bottom of the moving plate, the sliding rod is slidably connected with the main valve body, and a piston is fixedly connected with the bottom of the sliding rod.

[0006] As a preferred embodiment, the filtering mechanism comprises a positioning frame, the positioning frame is fixedly connected with the main valve body, a water inlet pipe is fixedly connected with the side of the positioning frame away from the main valve body, a fixed frame is slidably connected with the inner portion of the positioning frame, and a filter screen is fixedly connected with the inner portion of the fixed frame.

[0007] By adopting the above technical scheme, the fixed frame is positioned by the positioning frame, the filter screen is fixed by the fixed frame, and the impurities in the water are filtered by the filter screen, so that the impurities in the water can be better filtered.

[0008] As a preferred implementation form, the bottom of the positioning frame is funnel-shaped.

[0009] By adopting the above technical scheme, the impurities are concentrated at the bottom of the positioning frame by the funnel-shaped bottom of the positioning frame, and the impurities in the positioning frame can be better concentrated at the bottom of the positioning frame.

[0010] As a preferred implementation form, the pollution discharge mechanism comprises a pollution discharge pipe fixedly communicated with the positioning frame, and a valve fixedly connected to the outside of the pollution discharge pipe.

[0011] By adopting the above technical scheme, the impurities in the positioning frame are discharged through the pollution discharge pipe controlled by the valve, and the impurities in the positioning frame can be better discharged.

[0012] As a preferred implementation form, the inside of the mounting frame is fixedly connected with a battery, and the battery is electrically connected with the motor.

[0013] By adopting the above technical scheme, the motor is powered by the battery electrically connected with the motor, and the motor can be better powered.

[0014] As a preferred implementation form, the outside of the mounting frame is fixedly connected with a controller, the inside of the main valve body is fixedly connected with a pressure sensor, the inside of the water outlet is fixedly connected with a flow sensor, and the controller is electrically connected with the flow sensor, the pressure sensor and the motor.

[0015] By adopting the above technical scheme, the water flow through the valve is monitored in real time by the flow sensor, the water pressure in the main valve body is monitored by the pressure sensor, and the switch of the motor is controlled by the controller, and the switch of the motor can be better controlled.

[0016] As a preferred implementation form, the surface of the main valve body is fixedly connected with a wear-resistant layer, and the wear-resistant layer is made of ceramic material.

[0017] By adopting the above technical scheme, the surface of the main valve body is fixedly connected with a wear-resistant layer, and the wear-resistant layer is made of ceramic material.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. The pressure regulating water saving valve suitable for farmland irrigation in plain areas, through the setting of the motor, the moving plate, the limiting rod, the threaded rod, the sliding rod and the piston, the water flow through the valve is monitored in real time by the flow sensor, the water pressure in the main valve body is monitored by the pressure sensor, the switch of the motor is controlled by the controller, the threaded rod is rotated by the output end of the motor, the moving plate is moved by the rotation of the threaded rod, the moving plate is limited by the limiting rod, the sliding rod is moved by the movement of the moving plate, and the piston is moved by the movement of the sliding rod, so as to adjust the pressure difference between the inlet and outlet, avoid the poor performance of traditional manual valve and automatic valve in the aspects of adjustment accuracy, adaptability and reliability, and improve the practicality.

[0020] 2. The pressure regulating water saving valve suitable for farmland irrigation in plain areas, through the setting of the positioning frame, the fixed frame and the filter screen, the fixed frame is limited by the positioning frame, the filter screen is fixed by the fixed frame, and the impurities in the water are filtered by the filter screen, so as to avoid the problem that the existing pressure regulating water saving valve cannot filter the impurities in the water, and improve the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front structure schematic view of the present application;

[0022] Figure 2 It is a front structure sectional view of the present application;

[0023] Figure 3 It is a filter mechanism structure schematic view of the present application;

[0024] Figure 4 It is a pressure regulating mechanism structure schematic view of the present application.

[0025] Marked number in the figure: 1, main valve body; 2, filter mechanism; 21, positioning frame; 22, fixed frame; 23, filter screen; 3, pressure regulating mechanism; 31, motor; 32, moving plate; 33, limiting rod; 34, threaded rod; 35, sliding rod; 36, piston; 4, blowdown mechanism; 41, blowdown pipe; 42, valve; 5, battery; 6, mounting bracket; 7, flow sensor; 8, pressure sensor; 9, water inlet pipe; 10, water outlet; 11, controller. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0027] REFERENCE Figures 1-3The utility model provides a kind of pressure regulating water-saving valve suitable for plain farmland irrigation, including main valve body 1, water inlet pipe 9 is set on one side of main valve body 1, water outlet 10 is set on the side of main valve body 1 away from water inlet pipe 9, filter mechanism 2 is equipped between water inlet pipe 9 and main valve body 1, filter mechanism 2 includes positioning frame 21, positioning frame 21 is fixedly connected with main valve body 1, water inlet pipe 9 is fixedly connected on the side of positioning frame 21 away from main valve body 1, fixed frame 22 is slidably connected in positioning frame 21, filter screen 23 is fixedly connected in fixed frame 22;By positioning frame 21 to fixed frame 22 is limited, then by fixed frame 22 to filter screen 23 is fixed, then by filter screen 23 to the impurity in water is filtered, can better filter the impurity in water.

[0028] Refer to Figures 2-3 , the bottom of positioning frame 21 is funnel-shaped;By the bottom of positioning frame 21 is funnel-shaped, impurities are concentrated at the bottom of positioning frame 21, can better concentrate impurities at the bottom of positioning frame 21.

[0029] Refer to Figures 1-3 , the bottom of filter mechanism 2 is equipped with blowdown mechanism 4, blowdown mechanism 4 includes blowdown pipe 41, blowdown pipe 41 is fixedly communicated with positioning frame 21, valve 42 is fixedly connected on the outside of blowdown pipe 41;By valve 42 to control the switch of blowdown pipe 41, then by blowdown pipe 41 to discharge the impurities in positioning frame 21, can better discharge the impurities in positioning frame 21.

[0030] Refer to Figures 1-4 , the top of main valve body 1 is equipped with mounting bracket 6, pressure regulating mechanism 3 is equipped in the inside of mounting bracket 6, pressure regulating mechanism 3 includes motor 31, motor 31 is fixedly connected with mounting bracket 6, output end of motor 31 is fixedly connected with threaded rod 34, threaded rod 34 is rotatably connected with main valve body 1, moving plate 32 is screw-connected on the outside of threaded rod 34, limit rod 33 is slidably connected in the inside of moving plate 32, both ends of limit rod 33 are fixedly connected with mounting bracket 6 and main valve body 1 respectively, slide rod 35 is fixedly connected on the bottom of moving plate 32, slide rod 35 is slidably connected with main valve body 1, piston 36 is fixedly connected on the bottom of slide rod 35.

[0031] Refer to Figures 1-2 , battery 5 is fixedly connected in the inside of mounting bracket 6, battery 5 is electrically connected with motor 31;By battery 5 and motor 31 electrically connected, then by battery 5 to provide power for motor 31, can better provide power for motor 31.

[0032] Refer to Figures 1-2The outer portion of the mounting frame 6 is fixedly connected with a controller 11, the inner portion of the main valve body 1 is fixedly connected with a pressure sensor 8, the inner portion of the water outlet 10 is fixedly connected with a flow sensor 7, and the controller 11 is electrically connected with the flow sensor 7, the pressure sensor 8 and the motor 31; the water flow through the valve is monitored in real time through the flow sensor 7, the water pressure in the main valve body 1 is monitored through the pressure sensor 8, and the opening and closing of the motor 31 is controlled through the controller 11, so that the opening and closing of the motor 31 can be better controlled.

[0033] With reference to Figures 1-2 The surface of the main valve body 1 is fixedly connected with a wear-resistant layer, and the wear-resistant layer is made of ceramic material; the wear-resistant layer is fixedly connected with the surface of the main valve body 1, the wear resistance of the main valve body 1 is enhanced through the wear-resistant layer, and the service life of the main valve body 1 is prolonged, so that the service life of the main valve body 1 can be better prolonged.

[0034] Working principle: connect the water pipe into the water inlet pipe 9 and the water outlet 10, water enters the inner portion of the main valve body 1 from the water inlet pipe 9, the fixed frame 22 is limited through the positioning frame 21, the filter screen 23 is fixed through the fixed frame 22, impurities in the water are filtered through the filter screen 23, the water flow through the valve is monitored in real time through the flow sensor 7, the water pressure in the main valve body 1 is monitored through the pressure sensor 8, the opening and closing of the motor 31 is controlled through the controller 11, the output end of the motor 31 drives the threaded rod 34 to rotate, the moving plate 32 is driven to move through the rotation of the threaded rod 34, the moving plate 32 is limited through the limiting rod 33, the sliding rod 35 is driven to move through the movement of the moving plate 32, the piston 36 is driven to move through the movement of the sliding rod 35, and then the pressure difference between the inlet and the outlet is adjusted, the opening and closing of the blow-off pipe 41 is controlled through the valve 42, and the impurities in the inner portion of the positioning frame 21 are discharged through the blow-off pipe 41.

[0035] In the description of the present application, it should be explained that the positions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relations shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mounts", "is provided with", "connects" and the like should be understood broadly, for example, "connects", can be fixedly connected, also can be detachably connected, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific conditions by the person skilled in the art.

[0037] The utility model has been described above in combination with specific implementation manners, but the person skilled in the art should know that these descriptions are exemplary, and are not the limitation of the protection scope of the utility model.The person skilled in the art can make various modifications and changes to the utility model according to the spirit and principle of the utility model, and these modifications and changes are also within the scope of the utility model.

Claims

1. A pressure regulating water saving valve suitable for use in irrigating farmlands in plain areas, comprising a main valve body (1), characterized in that, The side of the main valve body (1) is provided with a water inlet pipe (9), and the side of the main valve body (1) away from the water inlet pipe (9) is provided with a water outlet (10), the water inlet pipe (9) and the main valve body (1) are provided with a filter mechanism (2), the bottom of the filter mechanism (2) is provided with a sewage mechanism (4), the top of the main valve body (1) is provided with a mounting bracket (6), the inside of the mounting bracket (6) is provided with a pressure regulating mechanism (3), the pressure regulating mechanism (3) comprises a motor (31), the motor (31) is fixedly connected with the mounting bracket (6), the output end of the motor (31) is fixedly connected with a threaded rod (34), the threaded rod (34) is rotatably connected with the main valve body (1), the outer thread of the threaded rod (34) is connected with a moving plate (32), the inside of the moving plate (32) is slidably connected with a limiting rod (33), the both ends of the limiting rod (33) are fixedly connected with the mounting bracket (6) and the main valve body (1) respectively, the bottom of the moving plate (32) is fixedly connected with a sliding rod (35), the sliding rod (35) is slidably connected with the main valve body (1), and the bottom of the sliding rod (35) is fixedly connected with a piston (36).

2. The pressure regulating water saving valve suitable for farmland irrigation in plain areas according to claim 1, characterized in that, The filter mechanism (2) comprises a positioning bracket (21), the positioning bracket (21) is fixedly connected with the main valve body (1), the side of the positioning bracket (21) away from the main valve body (1) is fixedly connected with a water inlet pipe (9), and the inside of the positioning bracket (21) is slidably connected with a fixed frame (22).

3. The pressure regulating water saving valve suitable for farmland irrigation in plain areas according to claim 2, characterized in that, The bottom of the inside of the positioning bracket (21) is funnel-shaped.

4. The pressure regulating water saving valve suitable for farmland irrigation in plain areas according to claim 2, characterized in that, The sewage mechanism (4) comprises a sewage pipe (41), the sewage pipe (41) is fixedly communicated with the positioning bracket (21), and the outer side of the sewage pipe (41) is fixedly connected with a valve (42).

5. The pressure regulating water saving valve suitable for use in irrigating farmlands in plain areas according to claim 1, characterized in that, The inside of the mounting bracket (6) is fixedly connected with a battery (5), and the battery (5) is electrically connected with the motor (31).

6. The pressure regulating water saving valve suitable for use in irrigating farmlands in plain areas according to claim 1, characterized in that, The outside of the mounting bracket (6) is fixedly connected with a controller (11), the inside of the main valve body (1) is fixedly connected with a pressure sensor (8), the inside of the water outlet (10) is fixedly connected with a flow sensor (7), and the controller (11) is electrically connected with the flow sensor (7), the pressure sensor (8) and the motor (31).

7. The pressure regulating water saving valve suitable for use in irrigating farmlands in plain areas as claimed in claim 1 wherein, The surface of the main valve body (1) is fixedly connected with a wear-resistant layer, and the wear-resistant layer is made of ceramic material.

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