Flow control water gap for farmland drip irrigation

Abstract

The utility model discloses a flow control water gap for farmland drip irrigation, which belongs to the technical field of farmland drip irrigation and comprises a connecting pipe and branch pipes fixedly connected with two sides of the connecting pipe respectively, a sealing element used for controlling water flow is mounted on the inner side of the connecting pipe, a fixing frame is fixedly connected to the outer side of each branch pipe, and the fixing frame is fixedly connected with the connecting pipe. Adjusting pieces used for controlling the water flow of the branch pipes are installed on the inner sides of the fixing frames, the connecting pipes and the branch pipes are integrally formed, the flow entering the connecting pipes can be adjusted and controlled through the sealing pieces, it is avoided that too much water flows into the connecting pipes to affect follow-up irrigation water flow, and meanwhile it can be prevented that too large water flows affect the large water flow guided out of the branch pipes; when a large amount of water is needed, only the sealing piece is adjusted, the adjusting piece does not need to be operated, the labor intensity is reduced, and the branch pipe can be singly adjusted through the adjusting piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of farmland drip irrigation, concretely is a flow control water gap for farmland drip irrigation. BACKGROUND

[0002] Farmland drip irrigation is a kind of local irrigation that water is sent to the root of crop in farmland by the aperture or dripper on the pipe with about 10mm diameter, it is the most effective water-saving irrigation method in drought and water shortage area, and the utilization rate of water can reach 95%.Drip irrigation has higher water-saving and yield-increasing effect than sprinkling irrigation, and can be combined with fertilization to improve fertilizer efficiency by more than one time, and is suitable for fruit trees, vegetables, economic crops and greenhouse irrigation, and can also be used for field crop irrigation in drought and water shortage area, and the current drip irrigation is that water flows through a main guide pipe, and then the water in the main guide pipe flows to multiple branch pipes through dripper or aperture for drip irrigation operation, and the connecting piece between the main guide pipe and branch pipe does not control water flow accurately.

[0003] The existing connecting equipment usually directly opens water supply, cannot adjust the flow of water entering the branch pipe, causes water to flow directly to two branch pipes through the connecting equipment, cannot control the opening of branch pipe and the flow rate of water body separately, and the existing equipment cannot lock the adjusting structure after adjustment, the adjusting structure is affected by water pressure, causes the change of water flow, and the accuracy and practicality of farmland drip irrigation operation are influenced, therefore a flow control water gap for farmland drip irrigation needs to be designed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a flow control water gap for farmland drip irrigation to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a flow control water gap for farmland drip irrigation, including connecting pipe and the branch pipe fixedly connected with the both sides of connecting pipe respectively, the connecting pipe inside is installed with the sealing piece for controlling water flow, the branch pipe outside is fixedly connected with the fixed frame, the fixed frame inside is installed with the adjusting piece for controlling the flow of branch pipe water body, the connecting pipe and branch pipe are integrally formed, and the bottom of connecting pipe and the other end of branch pipe are equipped with threaded portion.

[0006] Preferably, the sealing piece includes screw rod penetrating the inside of connecting pipe, the screw rod bottom is fixedly connected with the anti-drop portion for driving sealing block to move, the screw rod penetrates the top of connecting pipe and is screwed with it, and the anti-drop portion is rotatably connected with sealing block and does not fall off.

[0007] Preferably, the adjusting part comprises a sealing ring fixedly connected with the inner side wall of the branch pipe, a sealing ball is rotatably connected with the inner side of the sealing ring, a flow guide hole is formed in the inner side of the sealing ball, two fixed shafts are fixedly connected with the upper and lower sides of the sealing ball respectively, a first bevel gear is fixedly connected with the top of the fixed shaft, a rotating handle penetrates through the other side of the fixed frame, a second bevel gear is fixedly connected with one end of the rotating handle, and the first bevel gear is engaged with the second bevel gear.

[0008] Preferably, the adjusting part further comprises a movable cavity formed in the top of the fixed frame, a backing plate is slidably connected with the inner side of the movable cavity, a lock catch rod for fixing the rotating handle is fixedly connected with the bottom of the backing plate, a fixed part is fixedly connected with the outer side of the rotating handle, a plurality of lock catch grooves are formed in the outer side of the fixed part in a circumferential arrangement, two springs are fixedly connected between the inner side of the movable cavity and the backing plate, a pull rod is fixedly connected with the top of the backing plate, and the fixed part is rotatably connected with the fixed frame.

[0009] Preferably, a sealing ring is fixedly connected with the inner side of the connecting pipe close to the sealing block.

[0010] Preferably, two guide rods are fixedly connected with the inner side of the movable cavity, and the guide rods penetrate through and are slidably connected with the backing plate.

[0011] Preferably, two sealing rings are fixedly connected with the outer side of the sealing block.

[0012] Compared with the prior art, the adjusting part has the following beneficial effects:

[0013] 1. The threaded part can be used for connecting and fixing the branch pipe and the connecting pipe with an external pipe or other connecting parts, the flow entering the connecting pipe can be adjusted and controlled by using the sealing part, too much water flow is avoided from flowing into the subsequent irrigation water flow, and the water flow is prevented from being too large to cause the water flow discharged from the branch pipe to be too large; when a large amount of water is required, only the sealing part is adjusted, and the adjusting part does not need to be operated, thereby reducing the labor intensity; the adjusting part can be used for single adjustment of the branch pipe, and the flow in the two branch pipes is adjusted and controlled according to the different growth states of crops or the different land moisture, so that the accuracy and practicability of the farmland drip irrigation operation control are improved.

[0014] 2. The sealing block can slide up and down in the connecting pipe by using the anti-dropping part, the sealing block is away from the bottom of the connecting pipe, the opening space of the connecting pipe is increased, the water flow is increased, and vice versa, the connecting pipe is closed, and the sealing block can be tightly combined with the inner side wall of the connecting pipe without water flow drip irrigation at the branch pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the utility model;

[0016] Figure 2 It is the left view sectional view perspective view of the whole structure of the utility model;

[0017] Figure 3 It is the whole structure of the utility model Figure 2 The enlarged view of A in the middle;

[0018] Figure 4 It is the whole structure of the utility model Figure 3 The enlarged view of B in the middle;

[0019] Figure 5 It is the structure schematic view of the sealing gasket ring, the sealing ball, the flow guide hole and the fixed shaft in the whole structure of the utility model.

[0020] In the figure: 1, connecting pipe; 2, branch pipe; 3, fixed frame; 4, screw; 5, sealing block; 6, anti-drop part; 7, sealing gasket ring; 8, sealing ball; 9, flow guide hole; 10, fixed shaft; 11, first bevel gear; 12, handle; 13, second bevel gear; 14, movable cavity; 15, gasket plate; 16, lock catch rod; 17, fixed part; 18, lock catch groove; 19, spring; 20, pull rod; 21, sealing ring; 22, guide rod; 23, sealing ring. DETAILED DESCRIPTION

[0021] 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, not 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 protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-5 The utility model provides a flow control water gap for farmland drip irrigation, including connecting pipe 1 and the branch pipe 2 of fixed connection with connecting pipe 1 both sides respectively, the inside installation of connecting pipe 1 has the sealing element for controlling water flow, the outside fixed connection of branch pipe 2 has fixed frame 3, the inside installation of fixed frame 3 has the adjusting piece for controlling the water body flow of branch pipe 2, connecting pipe 1 and branch pipe 2 are integrally formed, and the bottom of connecting pipe 1 and the other end of branch pipe 2 are provided with threaded portions.

[0024] The threaded part can facilitate the connection of the branch pipe 2 and the connecting pipe 1 with an external pipe or other connecting fittings, the flow entering the connecting pipe 1 can be adjusted and controlled by the sealing element, and the excessive water flow is prevented from affecting the subsequent irrigation water flow, and the large water flow is prevented from affecting the water flow discharged by the branch pipe 2. When a large amount of water is needed, only the sealing element needs to be adjusted, and the operation of the adjusting element is not needed, thereby reducing the labor intensity. The adjusting element can be used to adjust the branch pipe 2, and the flow in the two branch pipes 2 can be adjusted and controlled according to the different growth states of crops or the different moisture contents of the land, so that the accuracy and practicability of the farmland drip irrigation operation control are improved.

[0025] Specifically, the sealing element includes a screw rod 4 penetrating the inside of the connecting pipe 1, the bottom of the screw rod 4 is fixedly connected with an anti-dropping part 6 for driving the sealing block 5 to move, the screw rod 4 penetrates the top of the connecting pipe 1 and is screwed with the connecting pipe 1, the anti-dropping part 6 is rotatably connected with the sealing block 5 and does not come off, and the outside of the sealing block 5 is fixedly connected with two sealing rings 23. The inside of the connecting pipe 1 and close to the sealing block 5 is fixedly connected with a sealing ring 21.

[0026] The screw rod 4 can drive the sealing block 5 to slide up and down in the connecting pipe 1 through the anti-dropping part 6, away from the bottom of the connecting pipe 1, that is, the opening space of the connecting pipe 1 is increased, so that the water flow is increased, and vice versa, the water flow is reduced and the connecting pipe 1 is closed. When water flow drip irrigation is not needed at a certain position, the sealing block 5 can be tightly attached to the inner wall of the connecting pipe 1, and the two sealing rings 23 on the outside of the sealing block 5 are tightly attached to the inner wall of the connecting pipe 1, so that the water flow is prevented from entering the connecting pipe 1, and the sealing ring 21 is attached to the bottom of the sealing block 5, so that the gap between the sealing block 5 and the connecting pipe 1 is sealed again.

[0027] More specifically, the adjusting element includes a sealing gasket ring 7 fixedly connected with the inner wall of the branch pipe 2, a sealing ball 8 rotatably connected with the inside of the sealing gasket ring 7, a flow guide hole 9 formed in the inside of the sealing ball 8, and a fixed shaft 10 fixedly connected with the upper and lower sides of the sealing ball 8, respectively. A first bevel gear 11 is fixedly connected to the top of the fixed shaft 10, a handle 12 penetrates the other side of the fixed frame 3, a second bevel gear 13 is fixedly connected to one end of the handle 12, and the first bevel gear 11 is engaged with the second bevel gear 13.

[0028] The sealing gasket ring 7 is annularly wrapped around the outside of the sealing ball 8, the handle 12 can drive the first bevel gear 11 to rotate through the second bevel gear 13, the first bevel gear 11 can drive the sealing ball 8 to rotate in the sealing ring 21 through the fixed shaft 10, and the area of the flow guide hole 9 on one side of the sealing ball 8 overlapping with the sealing gasket ring 7 is larger, so that the water flow is larger, and vice versa, so that the water flow is smaller, so as to facilitate the operator to accurately adjust and control the water flow of the branch pipe 2.

[0029] Further, the adjusting member further comprises a movable cavity 14 formed in the top of the fixing frame 3, a backing plate 15 is slidably connected to the inner side of the movable cavity 14, a locking rod 16 for fixing the handle 12 is fixedly connected to the bottom of the backing plate 15, a fixing part 17 is fixedly connected to the outer side of the handle 12, a plurality of locking grooves 18 are formed in the outer side of the fixing part 17 in a circumferential arrangement, two springs 19 are fixedly connected between the inner side of the movable cavity 14 and the backing plate 15, a pull rod 20 is fixedly connected to the top of the backing plate 15, two guide rods 22 are fixedly connected to the inner side of the movable cavity 14, the guide rods 22 penetrate through the backing plate 15 and are slidably connected to the backing plate 15, and the fixing part 17 is rotatably connected to the fixing frame 3.

[0030] The guide rods 22 can guide and limit the backing plate 15, so that the backing plate 15 is prevented from deviating or shaking, and the springs 19 on the outer side of the guide rods 22 can extrude and push the locking rod 16 at the bottom of the backing plate 15 to move downward, so that the locking rod 16 is inserted into the locking grooves 18 on the outer side of the fixing part 17 to lock and fix the handle 12, and the sealing ball 8 is prevented from rotating due to water pressure to cause the water flow to change.

[0031] Working principle: first, rotate the screw rod 4, so that the sealing block 5 is driven by the anti-off part 6 to slide upward in the connecting pipe 1, at this time, the sealing block 5 is away from the bottom of the connecting pipe 1, that is, the opening space of the connecting pipe 1 is increased, so that the water flow is increased, and the rotation of the screw rod 4 is stopped according to the required water amount;

[0032] Then, the water amount of the branch pipe 2 is adjusted according to the requirement, the pull rod 20 is pulled, so that the backing plate 15 is extruded against the springs 19, at the same time, the locking rod 16 at the bottom of the backing plate 15 is separated from the locking grooves 18, then the handle 12 is rotated again, so that the first bevel gear 11 is driven by the second bevel gear 13 to rotate, at this time, the sealing ball 8 is driven by the fixing shaft 10 to rotate in the sealing ring 21, at this time, the area of the sealing gasket ring 7 overlapping with the flow guide hole 9 on one side of the sealing ball 8 is larger, so that the water amount passing through is larger, then the handle 12 is stopped, and the pull rod 20 is slowly released, at this time, the springs 19 extrude the backing plate 15, then the locking rod 16 at the bottom of the backing plate 15 is inserted into the locking grooves 18 on the outer side of the fixing part 17 to lock and fix the handle 12, so that the sealing ball 8 is prevented from deviating in angle to affect the accuracy of the water amount control.

[0033] The contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified or equivalent replaced for the person skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flow control nozzle for drip irrigation in farmland, comprising a connecting pipe (1) and branch pipes (2) fixedly connected to both sides of the connecting pipe (1), characterized in that: The inner side of the connecting pipe (1) is equipped with a sealing element for controlling the water flow rate. The outer side of the branch pipe (2) is fixedly connected with a fixing frame (3). The inner side of the fixing frame (3) is equipped with an adjusting element for controlling the water flow rate of the branch pipe (2). The connecting pipe (1) and the branch pipe (2) are integrally formed. The bottom of the connecting pipe (1) and the other end of the branch pipe (2) are both provided with threaded parts.

2. The flow control nozzle for drip irrigation of farmland according to claim 1, characterized in that: The sealing element includes a screw (4) that passes through the inside of the connecting pipe (1). The bottom of the screw (4) is fixedly connected to an anti-detachment part (6) for moving the sealing block (5). The screw (4) passes through the top of the connecting pipe (1) and is screwed to it. The anti-detachment part (6) is rotatably connected to the sealing block (5) and does not detach.

3. A flow control nozzle for drip irrigation of farmland according to claim 2, characterized in that: The adjusting component includes a sealing gasket ring (7) fixedly connected to the inner wall of the branch pipe (2). A sealing ball (8) is rotatably connected to the inner side of the sealing gasket ring (7). A guide hole (9) is opened on the inner side of the sealing ball (8). A fixed shaft (10) is fixedly connected to the upper and lower sides of the sealing ball (8). A first bevel gear (11) is fixedly connected to the top of the fixed shaft (10). A throttle (12) passes through the other side of the fixed frame (3). A second bevel gear (13) is fixedly connected to one end of the throttle (12). The first bevel gear (11) meshes with the second bevel gear (13).

4. A flow control nozzle for drip irrigation of farmland according to claim 3, characterized in that: The adjusting component also includes a movable cavity (14) opened on the top of the fixed frame (3). A pad (15) is slidably connected to the inner side of the movable cavity (14). A locking rod (16) for fixing the throttle (12) is fixedly connected to the bottom of the pad (15). A fixing part (17) is fixedly connected to the outer side of the throttle (12). A plurality of locking grooves (18) arranged in a circle are opened on the outer side of the fixing part (17). Two springs (19) are fixedly connected between the inner side of the movable cavity (14) and the pad (15). A pull rod (20) is fixedly connected to the top of the pad (15). The fixing part (17) is rotatably connected to the fixed frame (3).

5. A flow control nozzle for drip irrigation of farmland according to claim 2, characterized in that: A sealing ring (21) is fixedly connected to the inside of the connecting pipe (1) and close to the sealing block (5).

6. A flow control nozzle for drip irrigation of farmland according to claim 4, characterized in that: Two guide rods (22) are fixedly connected to the inner side of the movable cavity (14). The guide rods (22) pass through the pad (15) and are slidably connected to it.

7. A flow control nozzle for drip irrigation of farmland according to claim 5, characterized in that: Two sealing rings (23) are fixedly connected to the outside of the sealing block (5).

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