Water-saving drip irrigation valve

Abstract

The utility model discloses a water-saving drip irrigation valve, which particularly relates to the technical field of drip irrigation and comprises a conveying main pipe, a plurality of shunt valves arranged in the middle of the conveying main pipe, a first connecting pipe fixedly connected to one side of each shunt valve, a shunt pipe arranged on one side of the first connecting pipe, and a connecting cover sleeved at one end of the shunt pipe. The end, close to the connecting cover, of the water distribution pipe is fixedly connected with a limiting ring. The installation ring is embedded in one end of the drip irrigation head, one end of the drip irrigation head can be blocked through the filter screen in the middle of the installation ring, external soil is prevented from entering the interior of the drip irrigation head, a certain distance can be formed between the water outlet and the filter screen by arranging the partition plate and the water outlet in the drip irrigation head, and the drip irrigation head is convenient to use. When liquid flows into the space between the partition plate and the filter screen through the water outlet holes, the liquid can seep out, the drip irrigation adding and water supplementing effect is not affected, the replacement, cleaning and maintenance cost and workload are reduced, and the using effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drip irrigation technical field more specifically, the utility model relates to a kind of water-saving drip irrigation valves. BACKGROUND

[0002] Drip irrigation is according to crop water requirement, through pipeline system and the irrigation of being installed on the drip tube, water and the water and nutrient required by crop are drop by drop, evenly and slowly drip into the soil in the root zone of crop, drip irrigation does not destroy soil structure, water, fertilizer, gas, heat inside soil is always kept suitable for the good condition of crop growth, evaporation loss is small, no surface runoff is generated, almost no deep percolation, it is a water-saving irrigation mode, drip irrigation technology as a kind of efficient water-saving irrigation mode, has been widely applied in agricultural production, drip irrigation valve as the core component of drip irrigation system, its performance directly influences irrigation effect and water resource utilization ratio;

[0003] Drip head is the most prone to blockage component in drip irrigation system, the water outlet hole of traditional drip head directly contacts with ground, is easy to cause soil to enter the inside of water outlet hole due to the movement of water distribution pipe, even block water outlet hole, lead to drip head failure, affect use effect, need frequent cleaning and replacement, increase maintenance cost and workload, therefore, a kind of water-saving drip irrigation valve is proposed. UTILITARY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a water-saving drip irrigation valve to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a water-saving drip irrigation valve, comprising a conveying main pipe, a plurality of water distribution valves are arranged in the middle part of the conveying main pipe, a first connecting pipe is fixedly connected to one side of the water distribution valve, water for irrigation is conveyed to the water distribution pipe through the conveying main pipe and the water distribution valve, and is divided, a water distribution pipe is arranged on one side of the first connecting pipe, a connecting cover is sleeved on one end of the water distribution pipe, a plugging plug is sleeved on the other end of the water distribution pipe, a limiting ring is fixedly connected to the end of the water distribution pipe close to the connecting cover, the connecting cover is limited by the limiting ring, and the water distribution pipe is connected with the water distribution valve through the connecting cover and the first connecting pipe, the connection between the water distribution pipe and the conveying main pipe is realized, and the end of the water distribution pipe is plugged by the plugging plug, to avoid water resource waste.

[0006] The bottom of the limiting ring is fixedly connected to multiple second connecting pipes. A sealing screw is inserted into the top of the limiting ring at a position corresponding to the second connecting pipe. A turntable is fixedly connected to the top of the sealing screw. By rotating the turntable, one end of the sealing screw can be inserted into the interior of the second connecting pipe to seal the middle of the second connecting pipe, which facilitates control of drip irrigation. A drip irrigation head is fitted in the middle of the second connecting pipe. A partition plate is fixedly connected to the middle of the drip irrigation head, which facilitates precise drip irrigation. The partition plate divides the interior of the drip irrigation head into upper and lower chambers, and a water outlet is opened in the middle to control the flow of water.

[0007] The partition plate has a water outlet in the middle. An installation ring and a spring are respectively installed on both sides of the partition plate. A baffle is fixedly connected to one side of the spring, and a sealing block is fixedly connected to one side of the baffle. A filter screen is fixedly connected to the middle of the installation ring. The filter screen can filter impurities, sediment, etc., preventing them from entering the drip head and clogging the water outlet. The installation ring facilitates the installation and fixing of the filter screen. The spring pushes the baffle, causing the sealing block to seal one end of the second connecting pipe, thus preventing water leakage when the sealing screw seals the second connecting pipe. Under normal water pressure, the water pressure pushes the baffle to compress the spring, causing the sealing block to leave the inner cavity of the second connecting pipe. Water flows into the drip head through the second connecting pipe and out through the water outlet.

[0008] Preferably, the connecting cover is fitted around the middle of the limiting ring, one end of the connecting cover is fitted around the middle of the first connecting pipe and threaded to the outer surface of the first connecting pipe, the limiting ring is in close contact with the first connecting pipe, the connecting cover facilitates the connection of the water distribution pipe and the main conveying pipe, and the limiting ring limits the position of the connecting cover while improving the sealing strength.

[0009] Preferably, one end of the sealing screw is configured as a semi-circular structure, and a sealing gasket is provided on the surface of the semi-circular structure at one end of the sealing screw. The semi-circular structure at one end of the sealing screw extends to the middle of the second connecting pipe. By inserting one end of the sealing screw into the middle of the second connecting pipe, the middle of the second connecting pipe can be sealed by squeezing the sealing gasket, which facilitates control and use.

[0010] Preferably, the mounting ring is threaded to the bottom inner cavity of the drip head, and the bottom wall of the inner cavity of the mounting ring is provided with a square groove. The spring, baffle, and sealing block are arranged on the side of the partition plate near the second connecting pipe, and the filter screen can be easily installed at one end of the drip head through the mounting ring.

[0011] Preferably, both ends of the spring are fixedly connected with the partition plate and the baffle respectively, the baffle is fixedly connected with the limiting strip around, the blocking block is matched with the inner cavity of the second connecting pipe, and one end of the blocking block is embedded in the middle of the second connecting pipe, so that the stability of the baffle movement is improved, the baffle is prevented from deviating during movement, the blocking block can accurately block the second connecting pipe, and the second connecting pipe is blocked by the blocking block in the middle when not in use, so that water leakage is avoided.

[0012] Preferably, the diameter of the conveying main pipe is greater than that of the water distribution pipe, and the diameter of the second connecting pipe is smaller than that of the water distribution pipe, so that the conveying effect is improved.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1, the utility model discloses a drip irrigation head one end embedded with the mounting ring can be blocked to the one end of drip irrigation head through the filter screen in the middle of mounting ring, avoids the external soil to enter drip irrigation head inside, and through setting up, there is the partition plate and the water outlet hole in drip irrigation head, can make the water outlet hole and filter screen exist certain distance, when liquid flows into the partition plate and filter screen between water outlet hole, can make liquid exude, does not affect drip irrigation to add the water effect, reduces the replacement cleaning maintenance cost and workload, improves use effect;

[0015] 2, the utility model discloses still through rotating the rotating disc control and block the screw to insert the inside of second connecting pipe, can conveniently control the rate of liquid in water distribution pipe inside to enter the liquid in drip irrigation head inside, conveniently adjusts use, and through the pushing of spring to baffle, makes the situation that does not appear when not water through the blocking block to the second connecting pipe block can avoid water leakage, improves use effect, and through setting up, the multiple water distribution valves and water distribution pipes conveniently dispersed delivery, and through the cooperation of connecting cover and first connecting pipe, conveniently connect combination use;

[0016] Summarizing, through the mutual influence of the above-mentioned multiple effects, one end of the drip irrigation head can be blocked, external soil can be prevented from entering the drip irrigation head, and the drip irrigation water supplement effect is not affected, the replacement cleaning maintenance cost and workload are reduced, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model.

[0018] Figure 2 It is the sectional structure schematic view of the water distribution pipe of the utility model.

[0019] Figure 3 It is the sectional structure schematic view of the drip irrigation head of the utility model.

[0020] Figure 4The utility model discloses a split structure schematic diagram of water distribution valve, water distribution pipe and drip irrigation head.

[0021] Figure 5 The utility model discloses Figure 4 The utility model discloses a split structure schematic diagram of water distribution valve, water distribution pipe and drip irrigation head.

[0022] The utility model discloses a split structure schematic diagram of water distribution valve, water distribution pipe and drip irrigation head. Specific embodiments

[0023] The utility model discloses a split structure schematic diagram of water distribution valve, water distribution pipe and drip irrigation head.

[0024] As shown in the accompanying Figures 1-5 The utility model discloses a water-saving drip irrigation valve, including conveying main pipe 1, the middle part of conveying main pipe 1 is provided with a plurality of water distribution valves 2, and one side of water distribution valve 2 is fixedly connected with first connecting pipe 3, and the irrigation water is conveyed to water distribution pipe 4 through conveying main pipe 1 and water distribution valve 2, is shunted, and one side of first connecting pipe 3 is provided with water distribution pipe 4, one end of water distribution pipe 4 is sleeved with connecting cover 5, the other end of water distribution pipe 4 is sleeved with block plug 6, and one end of water distribution pipe 4 close to connecting cover 5 is fixedly connected with limiting ring 7, and connecting cover 5 is limited through limiting ring 7, and water distribution pipe 4 is connected with water distribution valve 2 through connecting cover 5 and first connecting pipe 3, realizes the connection of water distribution pipe 4 and conveying main pipe 1, and the end of water distribution pipe 4 is blocked through block plug 6, to avoid water resource waste;

[0025] The bottom of limiting ring 7 is fixedly connected with a plurality of second connecting pipes 8, the top of limiting ring 7 is inserted with block screw 9 at the position corresponding to second connecting pipe 8, the top of block screw 9 is fixedly connected with rotary table 10, and the middle part of second connecting pipe 8 is sleeved with drip irrigation head 11, the middle part of drip irrigation head 11 is fixedly connected with partition plate 12, and drip irrigation head 11 is convenient accurate drip irrigation, and the inside of drip irrigation head 11 is divided into two chambers by partition plate 12, and the middle part is provided with water outlet hole 13 for controlling the outflow of water;

[0026] A water outlet 13 is provided in the middle of the partition plate 12. An installation ring 17 and a spring 14 are respectively provided on both sides of the partition plate 12. A baffle 15 is fixedly connected to one side of the spring 14, and a sealing block 16 is fixedly connected to one side of the baffle 15. A filter screen 18 is fixedly connected to the middle of the installation ring 17. The filter screen 18 can filter impurities, mud, etc., to prevent them from entering the drip head 11 and clogging the water outlet 13. The installation ring 17 facilitates the installation and fixation of the filter screen 18. The spring 14 pushes the baffle 15, which can make the sealing block 16 seal one end of the second connecting pipe 8. This prevents water leakage when the sealing screw 9 seals the second connecting pipe 8. Under normal water pressure, the water pressure pushes the baffle 15 to compress the spring 14, causing the sealing block 16 to leave the inner cavity of the second connecting pipe 8. Water flows into the drip head 11 through the second connecting pipe 8 and flows out through the water outlet 13.

[0027] As attached Figure 1 , 2 As shown in Figure 4, the connecting cover 5 is fitted in the middle of the limiting ring 7. One end of the connecting cover 5 is fitted in the middle of the first connecting pipe 3 and threadedly connected to the outer surface of the first connecting pipe 3. The limiting ring 7 fits against the first connecting pipe 3. The connecting cover 5 facilitates the connection of the water distribution pipe 4 to the main conveying pipe 1. The limiting ring 7 limits the connecting cover 5 while improving the sealing strength.

[0028] As attached Figures 2-5 As shown, one end of the sealing screw 9 is configured as a semi-circular structure, and a sealing gasket is provided on the surface of the semi-circular structure at one end of the sealing screw 9. The semi-circular structure at one end of the sealing screw 9 extends to the middle of the second connecting pipe 8. The mounting ring 17 is threadedly connected to the bottom inner cavity of the drip head 11. The bottom wall of the inner cavity of the mounting ring 17 is provided with a square groove. The spring 14, the baffle 15, and the sealing block 16 are arranged on the side of the partition plate 12 near the second connecting pipe 8. The two ends of the spring 14 are fixedly connected to the partition plate 12 and the baffle 15 respectively. Limit strips are fixedly connected around the perimeter of the baffle 15. The sealing block 16 is adapted to the inner cavity of the second connecting pipe 8, and one end of the sealing block 16 is embedded in the middle of the second connecting pipe 8. The diameter of pipe 1 is larger than that of pipe 4, and the diameter of pipe 8 is smaller than that of pipe 4, which improves the delivery effect. One end of the sealing screw 9 is inserted into the middle of pipe 8, and the middle of pipe 8 can be sealed by squeezing the sealing gasket, which is convenient for control. The filter screen 18 can be installed at one end of the drip head 11 by the mounting ring 17. The limiting strip improves the stability of the movement of baffle 15, ensuring that baffle 15 will not deviate during movement, and ensuring that the sealing block 16 can accurately seal pipe 8. The spring 14 pushes baffle 15, and when not in use, the middle of pipe 8 can be sealed by sealing block 16 to prevent water leakage.

[0029] The utility model discloses a working principle: when using, according to need, the conveying main pipe 1 and the branch pipe 4 are laid, and the connecting cover 5 is connected with the first connecting pipe 3 by rotating the connecting cover 5, the conveying main pipe 1 and the branch pipe 4 are connected closely, the drip irrigation head 11 corresponds with the drip irrigation position needed, and is connected closely.

[0030] When irrigating, the inside of the conveying main pipe 1 is input by the water pump, the inside of the conveying main pipe 1 is input into the inside of the branch pipe 4 by opening the branch valve 2, and the inside of the branch pipe 4 is input into the inside of the second connecting pipe 8 by rotating the rotating disc 10 and controlling one end of the plugging screw 9 to move out from the inside of the second connecting pipe 8, so that the inside of the branch pipe 4 is input into the inside of the second connecting pipe 8 to push the plugging block 16, thereby realizing the extrusion of the spring 14, at this time, the liquid is input into the inside of the drip irrigation head 11 and is output through the water outlet hole 13, and meanwhile, the filter screen 18 can avoid the external soil from entering the inside of the drip irrigation head 11 and being plugged, thereby improving the use effect.

[0031] The above only is the preferred embodiment of the utility model, and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A water saving drip irrigation valve comprising a delivery main (1) characterized in that: The middle part of the conveying main pipe (1) is provided with a plurality of water distribution valves (2), one side of the water distribution valve (2) is fixedly connected with a first connecting pipe (3), one side of the first connecting pipe (3) is provided with a water distribution pipe (4), one end of the water distribution pipe (4) is sleeved with a connecting cover (5), the other end of the water distribution pipe (4) is sleeved with a blocking plug (6), the end of the water distribution pipe (4) close to the connecting cover (5) is fixedly connected with a limiting ring (7); The bottom of the limiting ring (7) is fixedly connected with a plurality of second connecting pipes (8), the top of the limiting ring (7) is inserted with a blocking screw (9) at a position corresponding to the second connecting pipe (8), the top of the blocking screw (9) is fixedly connected with a rotating disc (10), the middle part of the second connecting pipe (8) is sleeved with a drip irrigation head (11), the middle part of the drip irrigation head (11) is fixedly connected with a partition plate (12); The middle part of the partition plate (12) is provided with a water outlet hole (13), the two sides of the partition plate (12) are respectively provided with a mounting ring (17) and a spring (14), one side of the spring (14) is fixedly connected with a baffle (15), one side of the baffle (15) is fixedly connected with a blocking block (16), the middle part of the mounting ring (17) is fixedly connected with a filter screen (18).

2. A water saving drip irrigation valve according to claim 1 and wherein: The connecting cover (5) is sleeved in the middle part of the limiting ring (7), one end of the connecting cover (5) is sleeved in the middle part of the first connecting pipe (3) and is threadedly connected with the outer surface of the first connecting pipe (3), the limiting ring (7) is attached to the first connecting pipe (3).

3. A water saving drip irrigation valve according to claim 1 and wherein: One end of the blocking screw (9) is provided in a semicircular structure, the surface of the semicircular structure of one end of the blocking screw (9) is provided with a sealing gasket, the semicircular structure of one end of the blocking screw (9) extends to the middle part of the second connecting pipe (8).

4. A water saving drip irrigation valve according to claim 1, characterized in that: The mounting ring (17) is threadedly connected with the bottom end inner cavity of the drip irrigation head (11), the inner cavity bottom end wall of the mounting ring (17) is provided with a square groove, the spring (14) and the baffle (15) and the blocking block (16) are arranged on one side of the partition plate (12) close to the second connecting pipe (8).

5. A water saving drip irrigation valve according to claim 1 and wherein: The two ends of the spring (14) are fixedly connected with the partition plate (12) and the baffle (15) respectively, the baffle (15) is fixedly connected with a limiting strip around, the blocking block (16) is matched with the inner cavity of the second connecting pipe (8), one end of the blocking block (16) is embedded in the middle part of the second connecting pipe (8).

6. A water saving drip irrigation valve according to claim 1 and wherein: The diameter of the conveying main pipe (1) is greater than the diameter of the water distribution pipe (4), the diameter of the second connecting pipe (8) is smaller than the diameter of the water distribution pipe (4).

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