Automatic drip irrigation equipment for vegetable seedlings under mulching film

Abstract

The utility model discloses automatic drip irrigation equipment for vegetable seedlings under film mulching, and belongs to the technical field of drip irrigation. The automatic drip irrigation equipment for the vegetable seedlings under the mulching film comprises a metal drip cone, an inserting rod is arranged at the bottom of the metal drip cone, the inserting rod and the metal drip cone are of an integrated structure, a threaded connector is arranged on one side of the bottom of the metal drip cone and extends into the metal drip cone, and a valve disc is arranged above the metal drip cone. In order to solve the problems that automatic drip irrigation equipment is adopted to irrigate vegetables, but certain vegetable seedlings need to be subjected to film mulching cultivation in the planting period, and drip irrigation cannot be performed on the vegetables from the outside, an insertion rod is inserted into soil between every two adjacent vegetable seedlings, and metal drip cones are sequentially arranged in a penetrating mode; under the action of water pressure, the telescopic valve head at the top is pushed out, and vegetable seedlings on the two sides are irrigated.

Description

Technical Field

[0001] The utility model relates to the technical field of drip irrigation, in particular to an automatic drip irrigation device for vegetable seedlings under a plastic film. Background Technique

[0002] Drip irrigation is an irrigation method that, according to the water requirements of crops, through a low-pressure pipeline system and emitters installed on the lateral pipes, drops water and nutrients required by the crops drop by drop, evenly and slowly, into the soil in the root zone of the crops. It is currently the most effective water-saving irrigation method in arid and water-scarce areas, and the water utilization rate can reach 95%.

[0003] Chinese Patent with publication number CN219781142U discloses an intelligent drip irrigation device for agricultural vegetables. By setting multiple groups of automatic drip heads on the agricultural vegetable drip irrigation device, the height of the drip heads is controlled through telescopic rods and corrugated hoses to meet the drip irrigation requirements for different vegetables. At the same time, the drip heads are intelligently controlled by electronic valves to automatically adjust the drip irrigation speed and drip irrigation amount, so that different vegetables can absorb the required amount of water. A cylindrical mesh bag is arranged in the water tank, so that water and chemical fertilizers can be melted and mixed to carry out drip irrigation for agricultural vegetables.

[0004] In the above patent, an automated drip irrigation device is used to irrigate vegetables. However, some vegetable seedlings need to be cultivated under a plastic film during the planting period, and it is impossible to carry out drip irrigation on them from the outside. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic drip irrigation device for vegetable seedlings under a plastic film. The insertion rod is inserted into the soil between two adjacent vegetable seedlings, and metal drip cones are arranged in sequence. Under the action of water pressure, the telescopic valve head at the top is pushed out to irrigate the vegetable seedlings on both sides, which can solve the problems in the prior art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An automatic drip irrigation device for vegetable seedlings under a plastic film, including a metal drip cone. An insertion rod is arranged at the bottom of the metal drip cone, and the insertion rod and the metal drip cone are set as an integral structure. A threaded interface is arranged on one side of the bottom of the metal drip cone, and the threaded interface extends into the metal drip cone. A valve disc is arranged above the metal drip cone, and the valve disc and the metal drip cone are connected through a card slot. A drip pipe is arranged above the valve disc, and the drip pipe and the valve disc are set as an integral structure.

[0007] Preferably, a pressure increasing cavity is arranged inside the drip pipe, a telescopic valve head is arranged inside the pressure increasing cavity, and a rubber gasket is arranged outside the drip pipe. The rubber gasket and the drip pipe are connected through a card slot.

[0008] Preferably, a filter cavity is arranged inside the metal drip cone, a filter element is arranged inside the filter cavity, and an inner filter cavity is arranged inside the filter element.

[0009] Preferably, a pressure increasing chamber is arranged inside the dropper. The pressure increasing chamber is connected to the inner filter chamber in a through manner. A telescopic valve head is arranged inside the pressure increasing chamber, and a movable shaft groove is arranged on the outer surface of the telescopic valve head.

[0010] Preferably, a limiting ring is arranged inside the movable shaft groove, and a return spring is arranged at the bottom of the limiting ring. The telescopic valve head is slidably connected to the dropper through the return spring.

[0011] Preferably, a drip hole is arranged at the top of the telescopic valve head, and the limiting ring is connected to the dropper through a clamping groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the insertion rod is inserted into the soil between two adjacent vegetable seedlings, and the metal drip cone is exposed above the soil. The metal drip cones are arranged in an interspersed manner in sequence. Then, the water supply hose is connected to the threaded interface. Finally, the vegetable seedlings are covered with a film. When drip irrigation operation is required, the water pump is started. The water source enters the inside of the metal drip cone through the hose. Under the action of water pressure, the telescopic valve head at the top is pushed out to irrigate the vegetable seedlings on both sides.

[0014] 2. In the present utility model, the water source enters the filter chamber through the pipeline. The filtered water will rush into the pressure increasing chamber inside the dropper. Under the action of pressure, the telescopic valve head will be pushed upward, so that the drip hole at the top is exposed. The drip hole can limit the output volume of the water flow, thereby ensuring that there is sufficient water pressure at the bottom of the telescopic valve head and will not drop when the water source is supplied. After the water pump stops pumping water, under the action of the spring and gravity, the telescopic valve head descends and resets, which can avoid the evaporation of the water source inside the pipeline. Description of the Drawings

[0015] Figure 1 is the overall front view of the drip irrigation device of the present utility model;

[0016] Figure 2 is the schematic diagram of the unfolded structure of the telescopic valve head of the present utility model;

[0017] Figure 3 is the overall sectional structure schematic diagram of the present utility model;

[0018] Figure 4 is the overall exploded structure schematic diagram of the present utility model.

[0019] In the figure: 1. Metal drip cone; 101. Insertion rod; 102. Threaded interface; 103. Dripping pipe; 104. Valve disc; 105. Telescopic valve head; 106. Limit ring; 107. Filter element; 108. Filter cavity; 1031. Rubber gasket; 1032. Boosting cavity; 1051. Movable shaft groove; 1052. Dripping hole; 1061. Telescopic valve head; 1071. Inner filter cavity. Detailed implementation manners

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] In order to solve the problem that when using an automated drip irrigation device to irrigate vegetables, some vegetable seedlings need to be cultivated with a film covering during the planting period and cannot be drip-irrigated from the outside; please refer to Figures 1-4 , the present invention provides the following solutions:

[0022] An automatic drip irrigation device for vegetable seedlings under a film covering includes a metal drip cone 1. An insertion rod 101 is arranged at the bottom of the metal drip cone 1. The insertion rod 101 and the metal drip cone 1 are arranged as an integral structure. A threaded interface 102 is arranged on one side of the bottom of the metal drip cone 1. The threaded interface 102 extends into the metal drip cone 1. A valve disc 104 is arranged above the metal drip cone 1. The valve disc 104 and the metal drip cone 1 are connected through a card slot. A dripping pipe 103 is arranged above the valve disc 104. The dripping pipe 103 and the valve disc 104 are arranged as an integral structure. A boosting cavity 1032 is arranged inside the dripping pipe 103. A telescopic valve head 105 is arranged inside the boosting cavity 1032. A rubber gasket 1031 is arranged outside the dripping pipe 103. The rubber gasket 1031 and the dripping pipe 103 are connected through a card slot;

[0023] In this embodiment, the insertion rod 101 is inserted into the soil between two adjacent vegetable seedlings. The metal drip cone 1 is exposed above the soil. The metal drip cones 1 are arranged in an interspersed manner. Subsequently, a water supply hose is connected to the threaded interface 102. Finally, a film covering operation is performed on the vegetable seedlings. When drip irrigation is required, the water pump is started. The water source enters the inside of the metal drip cone 1 through the hose. Under the action of water pressure, the telescopic valve head 105 at the top is pushed out to irrigate the vegetable seedlings on both sides;

[0024] Inside the metal drip cone 1, a filter chamber 108 is provided. Inside the filter chamber 108, a filter element 107 is provided. Inside the filter element 107, an inner filter chamber 1071 is provided. Inside the dropper 103, a pressurizing chamber 1032 is provided. The pressurizing chamber 1032 is connected to the inner filter chamber 1071 in a through manner. The filter element 107 can filter the water source to prevent the drip holes 1052 at the top of the expansion valve head 105 from being blocked by impurities in the water. Inside the pressurizing chamber 1032, an expansion valve head 105 is provided. On the outer surface of the expansion valve head 105, a movable shaft groove 1051 is provided. Inside the movable shaft groove 1051, a limiting ring 106 is provided. At the bottom of the limiting ring 106, a return spring 1061 is provided. The expansion valve head 105 is slidably connected to the dropper 103 through the return spring 1061. At the top of the expansion valve head 105, drip holes 1052 are provided. The limiting ring 106 and the dropper 103 are connected through a card slot;

[0025] In this embodiment, the water source enters the filter chamber 108 through a pipeline. The filtered water will rush into the pressurizing chamber 1032 inside the dropper 103. Under the action of pressure, the expansion valve head 105 will be pushed upward, so that the drip holes 1052 at the top are exposed. The drip holes 1052 can limit the output of the water flow to ensure that there is sufficient water pressure at the bottom of the expansion valve head 105 and will not decrease during the water source supply. After stopping pumping water, under the action of the spring and gravity, the expansion valve head 105 descends and resets, which can prevent the evaporation of the water source inside the pipeline.

[0026] Working principle: Insert the insertion rod 101 into the soil between two adjacent vegetable seedlings. The metal drip cone 1 is exposed above the soil. Arrange the metal drip cones 1 in an interspersed manner. Then connect the water supply hose to the threaded interface 102. Finally, perform a film covering operation on the vegetable seedlings. When drip irrigation is required, start the water pump. The water source enters the inside of the metal drip cone 1 through the hose. Under the action of water pressure, the expansion valve head 105 at the top is pushed out to irrigate the vegetable seedlings on both sides.

[0027] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic drip irrigation device for vegetable seedlings under film, comprising a metal drip cone (1), characterized in that: The bottom of the metal drip cone (1) is provided with an insertion rod (101), the insertion rod (101) and the metal drip cone (1) are configured as an integrated structure, one side of the bottom of the metal drip cone (1) is provided with a threaded interface (102), the threaded interface (102) extends to the inside of the metal drip cone (1), a valve disc (104) is provided above the metal drip cone (1), the valve disc (104) and the metal drip cone (1) are connected via a slot, a drip tube (103) is provided above the valve disc (104), the drip tube (103) and the valve disc (104) are configured as an integrated structure.

2. The automatic drip irrigation equipment for vegetable seedlings under film covering according to claim 1 is characterized by: The dropper (103) is provided with a pressurizing chamber (1032) inside, and a telescopic valve head (105) is provided inside the pressurizing chamber (1032). A rubber gasket (1031) is provided on the outside of the dropper (103), and the rubber gasket (1031) is connected to the dropper (103) via a slot.

3. The automatic drip irrigation equipment for vegetable seedlings under film covering according to claim 2 is characterized in that: A filter cavity (108) is arranged inside the metal drop cone (1), a filter element (107) is arranged inside the filter cavity (108), and an inner filter cavity (1071) is arranged inside the filter element (107).

4. The automatic drip irrigation equipment for vegetable seedlings under film covering according to claim 3 is characterized by: The dropper (103) is provided with a pressurizing chamber (1032) inside, the pressurizing chamber (1032) is connected to the inner filter chamber (1071), the pressurizing chamber (1032) is provided with a telescopic valve head (105) inside, and the outer surface of the telescopic valve head (105) is provided with a movable shaft groove (1051).

5. The automatic drip irrigation equipment for vegetable seedlings under film covering according to claim 4 is characterized by: A limit ring (106) is arranged inside the movable shaft groove (1051), a return spring (1061) is arranged at the bottom of the limit ring (106), and the telescopic valve head (105) is slidably connected to the dropper (103) via the return spring (1061).

6. The automatic drip irrigation equipment for vegetable seedlings under film covering according to claim 5 is characterized by: A drip hole (1052) is provided on the top of the telescopic valve head (105), and the limit ring (106) is connected to the drip tube (103) via a slot.

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