Flow control valve for power-free irrigation system

Abstract

The utility model relates to the technical field of flow control valves, in particular to a flow control valve for an electric-power-free irrigation system, which comprises a control valve body, a valve plate is movably mounted in the control valve body, a high platform is integrally formed at the top end of the control valve body, and an adjusting mechanism is arranged between the valve plate and the high platform. And the bottom groove is formed in the lower portion of the middle of the inner side of the control valve body, a blocking disc is movably installed in the bottom groove, and an anti-blocking mechanism is arranged between the blocking disc and the bottom groove. The screw rod, the valve rod, the valve plate, the clamping block, the vertical groove and the transverse groove are matched for use and adjusted in a lifting mode, the valve plate can be prevented from being impacted by fluid to generate displacement at a horizontal angle, after the position of the valve plate is adjusted, the poke rod is held to poke towards one side, the poke rod drives the clamping block to be clamped into the transverse groove from the vertical groove, and therefore the valve plate can be conveniently adjusted. In this way, the valve plate can be locked at the current position and cannot move at the vertical angle.

Description

TECHNICAL FIELD

[0001] The utility model relates to flow control valve technical field, concretely is a flow control valve for power free irrigation system. BACKGROUND

[0002] The flow control valve for power free irrigation system is a device for controlling water flow in an irrigation system, which is characterized by not relying on electricity and achieving flow control through mechanical principles. This valve is particularly important in areas without or with unstable power supply, as it can effectively manage and conserve water resources and improve irrigation efficiency.

[0003] As disclosed in the authorized announcement No. CN218326327U, a flow control valve for power free irrigation system, it includes valve connection pipe, pressure limiting and flow limiting valve and switch valve, the inside of valve connection pipe is through cavity, pressure limiting and flow limiting valve and switch are installed on valve connection pipe, pressure limiting and flow limiting valve includes first ball, first rotating rod and first rotating part, first ball is provided with through opening. After adopting the above technical scheme, the utility model has the beneficial effects that: adopting double water valve to control flow and switch independently, control is more efficient.

[0004] Although the above-mentioned patent adopts double water valve to control flow and switch independently, the control is more efficient, but when the fluid impacts the first ball or the second ball, the upper end rotating rod may be driven to rotate, causing the first ball or the second ball to rotate at a horizontal angle, resulting in a change in the adjusted flow. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a flow control valve for power free irrigation system to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A flow control valve for power free irrigation system, comprising

[0008] A control valve body, a valve plate is movably installed inside the control valve body, a high platform is integrally formed at the top end of the control valve body, an adjusting mechanism is arranged between the valve plate and the high platform;

[0009] A bottom groove is opened in the lower part of the inner side of the control valve body, a plug disc is movably installed inside the bottom groove, and an anti-blocking mechanism is arranged between the plug disc and the bottom groove.

[0010] Preferably, the adjusting mechanism includes a screw rod, the screw rod is movably installed in the inner middle part of the high platform, a hand wheel is fixedly installed at the top end of the screw rod by penetrating the high platform, a valve rod is arranged at the top end of the valve plate, and the valve rod is threadedly connected with the screw rod.

[0011] Preferably, the adjusting mechanism further comprises a vertical slot, which is arranged on one side of the platform, a plurality of horizontal slots are arranged on one side of the vertical slot at equal distances from top to bottom, an active ring is movably sleeved on the outer top end of the valve rod, one end of the active ring is provided with a clamping block, and the outer side of the clamping block is provided with a pulling rod;

[0012] Preferably, the upper and lower ends of the valve rod close to the active ring are both provided with a limiting ring, and the active ring is movably connected with the limiting ring.

[0013] Preferably, the anti-blocking mechanism comprises a spring, which is movably arranged at the lower side of the inner bottom groove, and the other end of the spring is arranged on the lower end surface of the blocking disc.

[0014] Preferably, an annular guide groove is arranged on the upper end inner wall of the bottom groove, and the guide groove is movably connected with the blocking disc.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The flow control valve for the power-free irrigation system, which is used in cooperation with the screw rod, the valve rod, the valve plate, the clamping block, the vertical slot and the horizontal slot, can avoid the displacement of the valve plate in the horizontal angle caused by the impact of the fluid, and after the valve plate is adjusted, the pulling rod is pulled to one side, the clamping block is clamped into the horizontal slot from the vertical slot, and the valve plate can be locked at the current position and will not be displaced in the vertical angle.

[0017] 2. The flow control valve for the power-free irrigation system, which is used in cooperation with the bottom groove, the spring, the blocking disc and the guide groove, can avoid the impurities in the fluid from entering the bottom groove and causing blockage when the valve plate is lifted and the blocking disc is lifted synchronously. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a whole sectional view structural schematic diagram of the utility model;

[0020] Figure 3 It is a Figure 1 enlarged schematic diagram of A in the utility model;

[0021] Figure 4 It is a Figure 2 enlarged schematic diagram of B in the utility model;

[0022] Figure 5 It is a Figure 2An enlarged schematic view at C.

[0023] In the figure: 1, control valve body; 2, valve plate; 3, high platform; 4, bottom groove; 5, plug disc; 6, screw rod; 7, hand wheel; 8, valve rod; 9, vertical groove; 10, horizontal groove; 11, movable ring; 12, clamping block; 13, push rod; 14, limiting ring; 15, spring; 16, guide groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1-5 shown, a technical scheme provided by the utility model:

[0026] A flow control valve for a power-free irrigation system, including control valve body 1, the inside of control valve body 1 is movably installed with valve plate 2, the top end of control valve body 1 is integrally formed with high platform 3, adjusting mechanism is arranged between valve plate 2 and high platform 3, adjusting mechanism includes screw rod 6, screw rod 6 is movably installed in the inside middle part of high platform 3, the top end of screw rod 6 is fixedly installed with hand wheel 7 penetrating through high platform 3, the top end of valve plate 2 is provided with valve rod 8, valve rod 8 is threadedly connected with screw rod 6, adjusting mechanism further includes vertical groove 9, vertical groove 9 is opened in one side of high platform 3, a plurality of horizontal grooves 10 are arranged at equal distance from top to bottom on one side of vertical groove 9, the top end outside of valve rod 8 movably sleeves with movable ring 11, one end of movable ring 11 is provided with clamping block 12, the outside of clamping block 12 is provided with push rod 13, the upper and lower ends of valve rod 8 close to movable ring 11 are both provided with limiting ring 14, movable ring 11 is movably connected with limiting ring 14;

[0027] In the embodiment, the lifting type adjustment can avoid the displacement of valve plate 2 in horizontal angle caused by fluid impact, after the adjustment position of valve plate 2, hold push rod 13 and push to one side, push rod 13 drives clamping block 12 to be clamped into the inside of horizontal groove 10 from vertical groove 9, so that valve plate 2 can be locked in the current position and will not produce displacement in vertical angle.

[0028] As Figure 2 and Figure 5As shown, the bottom groove 4 is arranged below the middle part of the inner side of the control valve body 1, the inside of the bottom groove 4 movably installs the plug disc 5, the plug disc 5 is provided with the anti-blocking mechanism with the bottom groove 4, the anti-blocking mechanism includes the spring 15, the spring 15 is movably installed below the inside of the bottom groove 4, the other end of the spring 15 is arranged at the lower end face of the plug disc 5, the upper end inner wall of the bottom groove 4 is annularly provided with the guide groove 16, the guide groove 16 is movably connected with the plug disc 5.

[0029] In the embodiment, the plug disc 5 is synchronously lifted by the elastic force of the spring 15 during the lifting adjustment of the valve plate 2, and the lower outside of the plug disc 5 is synchronously slid in the guide groove 16, when the valve plate 2 is lifted, the plug disc 5 is synchronously lifted, thereby avoiding the impurities in the fluid from entering the bottom groove 4 to cause blockage.

[0030] Working principle: when adjusting the flow, rotate the hand wheel 7, the hand wheel 7 drives the screw rod 6 to rotate, when the screw rod 6 rotates, the valve plate 2 is guided by the movable groove in the middle part of the control valve body 1 and is controlled to be linearly lifted by the valve rod 8, along with the lifting of the valve plate 2, the passage opened in the middle part of the control valve body 1 is increased or reduced, so as to facilitate manual adjustment of the flow, and the lifting adjustment can avoid the valve plate 2 from being impacted by the fluid to cause displacement in the horizontal angle, after the valve plate 2 is adjusted, hold the shifting lever 13 and shift it to one side, the shifting lever 13 drives the clamping block 12 to be clamped into the inside of the horizontal groove 10 from the vertical groove 9, so that the valve plate 2 can be locked at the current position and will not be displaced in the vertical angle; during the lifting adjustment of the valve plate 2, the plug disc 5 is synchronously lifted by the elastic force of the spring 15, and the lower outside of the plug disc 5 is synchronously slid in the guide groove 16, when the valve plate 2 is lifted, the plug disc 5 is synchronously lifted, thereby avoiding the impurities in the fluid from entering the bottom groove 4 to cause blockage.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A flow control valve for a power-free irrigation system, characterized by: The utility model provides a control valve body (1), the inside activity of control valve body (1) is installed with valve plate (2), the top of control valve body (1) is integrally formed with high platform (3), is provided with adjusting mechanism between valve plate (2) and high platform (3). The bottom groove (4) is opened in the inside middle lower portion of control valve body (1), the inside activity of bottom groove (4) is installed with the plug disc (5), is provided with the anti -plug mechanism between plug disc (5) and bottom groove (4). The adjusting mechanism includes screw rod (6), screw rod (6) is movably installed in the inside middle portion of high platform (3), the top of screw rod (6) is fixedly installed with hand wheel (7) penetrating high platform (3), the top of valve plate (2) is provided with valve rod (8), valve rod (8) is threadedly connected with screw rod (6).

2. A flow control valve for a power-free irrigation system according to claim 1, characterized in that: The adjusting mechanism further includes vertical groove (9), vertical groove (9) is opened in one side of high platform (3), a plurality of horizontal grooves (10) are arranged at equal distance from top to bottom on one side of vertical groove (9), the top of valve rod (8) is movably sleeved with movable ring (11), one end of movable ring (11) is provided with clamping block (12), the outer side of clamping block (12) is provided with the lever (13) of stirring.

3. A flow control valve for a power-free irrigation system according to claim 2, characterized in that: The upper and lower ends of valve rod (8) close to movable ring (11) are provided with limit ring (14), and movable ring (11) is movably connected with limit ring (14).

4. A flow control valve for a power-free irrigation system according to claim 3, characterized in that: The anti -plug mechanism includes spring (15), spring (15) is movably installed in the inside lower portion of bottom groove (4), the other end of spring (15) is arranged on the lower end surface of plug disc (5).

5. The flow control valve for a power-free irrigation system of claim 1, wherein: The upper end inner wall of bottom groove (4) is annularly provided with guide groove (16), and guide groove (16) is movably connected with plug disc (5).

6. A flow control valve for a power-free irrigation system according to claim 1, characterized in that: ​

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