Water-saving irrigation device

By introducing a filtering structure and a lifting system into the irrigation device, the problems of device blockage and uneven irrigation are solved, efficient rainwater collection and flexible irrigation adjustment are achieved, and the practicality and applicability of the device are improved.

CN223415281UActive Publication Date: 2025-10-10武春霞
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Patent Information

Application Number
CN202421936447.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-10-10
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Existing irrigation devices are prone to clogging during rainwater collection, have a limited irrigation range, and fixed nozzles lead to uneven irrigation and poor applicability.

Method used

A water collecting bucket and lifting structure with a filtering structure are designed. The filter plate can be disassembled for cleaning, and the diversion box and irrigation nozzle can be raised and lowered to achieve debris filtering and irrigation height adjustment.

Benefits of technology

It effectively prevents the device from being blocked, improves the uniformity and applicability of irrigation, and enhances the practicality and flexibility of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223415281U_ABST
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Abstract

The utility model relates to the technical field of irrigation devices. The water-saving irrigation device comprises a movable bottom plate, a water storage tank is fixedly connected to the surface of the upper end of the movable bottom plate, a water collecting hopper is fixedly connected to one end of the surface of the upper end of the water storage tank, tank covers are hinged to the upper ends of the two sides of the water collecting hopper, and filtering structures are arranged in the two ends of the water collecting hopper. Leaves and other sundries are blocked through the filter plate, so that rainwater is filtered by the filter plate and collected into the water storage tank, and when many leaves and other sundries are on the surface of the upper end in the filter plate, a clamping plate can drive the filter plate to move upwards to be separated from the interior of a water collecting hopper by pulling a connecting plate, so that rainwater is collected. And therefore, the situation that the device is blocked due to the fact that impurities such as leaves enter the device is avoided, and the purpose of saving water is achieved by collecting rainwater.
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Description

Technical Field

[0001] The utility model relates to the technical field of irrigation devices, and more particularly to a water-saving irrigation device. Background Art

[0002] At present, during the use of the irrigation devices in the prior art, since most of the existing irrigation devices can reduce the amount of water diversion and achieve the purpose of water saving by collecting rainwater, in the process of realizing the rainwater collection function, the rainwater may carry leaves and other debris. If the leaves and other debris enter the interior of the irrigation device, it is difficult to clean them and may cause the irrigation device to be blocked, which reduces the practicality of the device to a certain extent. In addition, the irrigation range of the existing irrigation devices is limited, and it is not convenient to adjust the irrigation height according to actual needs. At the same time, the nozzles of the existing irrigation devices are mostly fixed on the devices, and some dead corners may be irrigated unevenly, which is not convenient for hand-held nozzles to irrigate according to actual conditions, which reduces the applicability of the device to a certain extent. Therefore, there is an urgent need for a water-saving irrigation device to solve the above problems. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a water-saving irrigation device to solve the problems existing in the above-mentioned background technology.

[0004] The utility model provides the following technical solution: a water-saving irrigation device, comprising:

[0005] A movable base plate, wherein the upper end surface of the movable base plate is fixedly connected to a water storage tank, and one end of the upper end surface of the water storage tank is fixedly connected to a water collecting bucket, the upper ends of both sides of the water collecting bucket are hingedly connected to box covers, and filtering structures are provided inside the two ends of the water collecting bucket, the other end of the upper end surface of the water storage tank is installed with a motor, and a stirring rod is fixedly connected to the output end of the motor, a water pump is installed at one end of the upper end surface of the movable base plate, and lifting structures are provided on both sides of one end of the upper end surface of the movable base plate, a diverter box is provided at the middle position of the lifting structure, and an irrigation nozzle is connected to the outer surface of one side of the diverter box, and a plurality of irrigation nozzles are provided, the input end of the water pump is connected to the interior of the water storage tank, and the output end of the water pump is connected to the interior of the diverter box;

[0006] The filtering structure includes a snap-fit ​​groove and a movable groove, wherein the snap-fit ​​groove is provided inside the inner wall surface of both ends of the water collecting bucket, and the movable groove is provided inside the upper end surface of both ends of the water collecting bucket, and the snap-fit ​​groove and the movable groove are provided in four groups;

[0007] The lifting structure includes supporting piles and connecting blocks. There are two groups of supporting piles, and the two groups of supporting piles are respectively fixedly connected to the two sides of one end of the upper surface of the movable base plate. There are four groups of connecting blocks, and the four groups of connecting blocks are respectively fixedly connected to the surfaces of the upper and lower ends of both ends of the diversion box.

[0008] Preferably, the filtering structure also includes a first spring and a positioning rod, and the first spring and the positioning rod are inserted into the interior of the movable groove, a locking plate is inserted into the interior of the locking groove, and the upper end of the locking plate is fixedly connected to the connecting plate, and the lower end of the locking plate is fixedly connected to the filter plate, and placement grooves are provided on the upper end surfaces of both ends of the water collecting bucket, and the outer surface of the connecting plate fits into the interior of the placement groove. This design allows the filter plate to be locked into the interior of the water collecting bucket, and at the same time, it is convenient to remove the filter plate from the interior of the water collecting bucket through the connecting plate.

[0009] Preferably, a pull plate is provided on the outer surface of one end of the positioning rod, and the pull plate passes through the interior of the movable groove and extends out of the outer surface of the water collecting bucket, and the two ends of the first spring respectively abut against one side surface of the interior of the movable groove and one side surface of the positioning rod, and positioning holes are provided inside the outer surfaces of the two ends of the connecting plate, and the outer size of the other end of the positioning rod is adapted to the inner size of the positioning hole. This design can move the positioning rod by pulling the pull plate, so that the other end of the positioning rod is disengaged from the interior of the positioning hole, thereby facilitating the removal of the filter plate through the connecting plate, and vice versa, facilitating the positioning of the filter plate.

[0010] Preferably, the upper end surface around the filter plate is set to be inclined, and the inclined upper end surface of the filter plate is adapted to the inner wall surface on both sides of the water collecting bucket. This design facilitates the collection of debris such as leaves to the upper end surface inside the filter plate.

[0011] Preferably, the lifting structure also includes a screw rod, and the screw rod bearing is connected to the inside of the supporting pile, and a moving block is threadedly connected to the outer surface of the screw rod, and a connecting groove is fixedly connected to the surfaces of the upper and lower ends of the inner side of the moving block, and a support frame is fixedly connected to the outside of the connecting groove, an insertion rod is inserted into the interior of the support frame, and a second spring is sleeved on the outer surface of the insertion rod, the connecting block is inserted into the inside of the connecting groove, and the outer size of the connecting block is adapted to the inner size of the connecting groove, and the outer surface of the connecting block can be inserted into the inside of the connecting groove, thereby facilitating the connection between the diversion box and the moving block.

[0012] Preferably, a limiting ring is provided on the outer surface at the middle position of the insertion rod, and the two ends of the second spring respectively abut against the outer surface of the limiting ring and the inner surface of the support frame, and an insertion hole is provided inside the outer surface of the connecting block, and the position of the insertion hole corresponds to the position of the insertion rod, and the outer size of the outer surface of one end of the insertion rod is adapted to the inner size of the insertion hole. This design can support the limiting ring through the second spring, and after pulling the insertion rod, the insertion rod can be reset by itself through the elasticity of the second spring. At the same time, the position of the connecting groove and the connecting block can be positioned by inserting the outer surface of one end of the insertion rod into the inside of the insertion hole.

[0013] The technical effects and advantages of the utility model are as follows: the utility model blocks debris such as leaves through the filter plate, so that rainwater is filtered and collected into the water storage tank through the filter plate. When there are many debris such as leaves on the upper end surface of the filter plate, the connecting plate can be pulled to make the clamping plate drive the filter plate to move upward and out of the water collection bucket, so as to facilitate cleaning of the upper end surface of the filter plate, thereby preventing debris such as leaves from entering the device and causing the device to be blocked, and thereby collecting rainwater to achieve the purpose of water saving, thereby improving the practicality of the device to a certain extent;

[0014] By rotating the screw rod, the movable block can be driven to move upward or downward on its outer surface, and the diverter box and the irrigation nozzle can be driven to move upward or downward simultaneously, so that the device can adjust the irrigation height according to actual needs. Then, the plug-in rod is pulled outward so that the connecting block can be separated from the inside of the connecting groove. At this time, the diverter box can be held and used to irrigate some dead corners through the irrigation nozzle to avoid possible uneven irrigation. This improves the applicability of the device to a certain extent. Moreover, its overall structural design is simple and reasonable, highly practical, and easy to promote and apply. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 2 This is a schematic exploded view of the three-dimensional structure of the water storage tank of the present invention.

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0018] Figure 4 This is an exploded schematic diagram of the three-dimensional structure of the filter plate of the utility model.

[0019] Figure 5 It is a schematic exploded view of the three-dimensional structure of the lifting structure of the utility model.

[0020] Figure 6 For this utility model Figure 5Enlarged view of point B in the middle.

[0021] The accompanying drawings are marked as follows: 1. movable bottom plate; 2. water storage tank; 3. water collecting bucket; 4. tank cover; 5. filtering structure; 51. engaging groove; 52. movable groove; 53. first spring; 54. positioning rod; 55. engaging plate; 56. connecting plate; 57. filtering plate; 6. motor; 7. stirring rod; 8. water pump; 9. lifting structure; 91. supporting pile; 92. screw rod; 93. movable block; 94. connecting groove; 95. supporting frame; 96. insertion rod; 97. second spring; 98. connecting block; 10. diversion box; 11. irrigation nozzle. DETAILED DESCRIPTION

[0022] The technical solutions of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. In addition, the forms of the various structures described in the following embodiments are merely examples. The irrigation device involved in the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work fall within the scope of protection of the present invention.

[0023] Example 1

[0024] like Figure 1-Figure 4 As shown, this embodiment provides a water-saving irrigation device, comprising:

[0025] The mobile base plate 1 is provided with universal wheels on its bottom surface, which can be used to push the device to move, thus improving the flexibility of the device to a certain extent;

[0026] The upper surface of the movable bottom plate 1 is fixedly connected to a water storage tank 2, and one end of the upper surface of the water storage tank 2 is fixedly connected to a water collecting hopper 3, the upper ends of both sides of the water collecting hopper 3 are hingedly connected to a box cover 4, and filtering structures 5 are provided inside the two ends of the water collecting hopper 3. The upper surface of the box cover 4 is provided with an embedded handle, which can be used to easily open or close the box cover 4, thereby preventing the evaporation of water inside the water storage tank 2 to a certain extent;

[0027] A motor 6 is mounted on the other end of the upper surface of the water tank 2, and a stirring rod 7 is fixedly connected to the output end of the motor 6. When the motor 6 is started, the stirring rod 7 can rotate inside the water tank 2. When a nutrient solution or the like is injected into the water tank 2, the stirring rod 7 can be used to stir the nutrient solution and the water source inside the water tank 2 evenly.

[0028] The filtering structure 5 comprises clamping grooves 51 and moving grooves 52, the clamping grooves 51 are arranged in the inner part of the inner wall surface of the two ends of the water collecting hopper 3, and the moving grooves 52 are arranged in the inner part of the upper end surface of the two ends of the water collecting hopper 3, and the clamping grooves 51 and the moving grooves 52 are all arranged with four groups, the filtering structure 5 further comprises first springs 53 and positioning rods 54, and the first springs 53 and the positioning rods 54 are inserted into the inner part of the moving grooves 52, the inner part of the clamping grooves 51 is provided with clamping plates 55, the upper end of the clamping plate 55 is fixedly connected with a connecting plate 56, and the lower end of the clamping plate 55 is fixedly connected with a filtering plate 57, the upper end surface of the two ends of the water collecting hopper 3 is provided with a placing groove, the outer surface of the connecting plate 56 is attached to the inner part of the placing groove, and the inner surface of the connecting plate 56 is provided with a pull plate, so as to pull the connecting plate 56 out of the inner part of the placing groove by the pull plate, thereby facilitating the removal of the filtering plate 57 for cleaning;

[0029] The outer surface of one end of the positioning rod 54 is provided with a pull plate, the pull plate penetrates the inner part of the moving groove 52 and extends out of the outer surface of the water collecting hopper 3, the two ends of the first spring 53 are respectively located on one side surface in the inner part of the moving groove 52 and one side surface of the positioning rod 54, the inner part of the outer surface of the two ends of the connecting plate 56 is provided with a positioning hole, and the outer dimension of the other end of the positioning rod 54 is matched with the inner dimension of the positioning hole, the positioning rod 54 can be moved in the inner part of the moving groove 52 by the pull plate, at this time, the outer surface of the other end of the positioning rod 54 can be pulled out of the inner part of the positioning hole arranged in the inner part of the outer surface of the two ends of the connecting plate 56, so that the connecting plate 56 can be removed from the inner part of the placing groove, and the positioning rod 54 can be supported by the elasticity of the first spring 53, so that the positioning rod 54 is reset automatically, when the outer surface of the other end of the positioning rod 54 is inserted into the inner part of the positioning hole arranged in the inner part of the outer surface of the two ends of the connecting plate 56, the position of the connecting plate 56 can be positioned;

[0030] The upper end surface of the four sides of the filtering plate 57 is inclined, and the inclined upper end surface of the filtering plate 57 is matched with the inner wall surface of the two sides of the water collecting hopper 3, so that the leaves and other sundries can be collected on the upper end surface in the inner part of the filtering plate 57, and vice versa, the leaves and other sundries collected on the upper end surface in the inner part of the filtering plate 57 can be cleaned, so that the leaves and other sundries cannot enter the inner part of the device and cause the device to be blocked.

[0031] Embodiment two

[0032] As Figure 5-Figure 6 shown, based on the same concept as the above embodiment, the present embodiment further proposes:

[0033] A water pump 8 is installed at one end of the upper surface of the movable base plate 1, and a lifting structure 9 is provided on both sides of the upper surface of the movable base plate 1. A diverter box 10 is provided in the middle position of the lifting structure 9, and an irrigation nozzle 11 is connected to the outer surface of one side of the diverter box 10. There are multiple groups of irrigation nozzles 11. The design of multiple groups of irrigation nozzles 11 can improve the irrigation range of the device.

[0034] The input end of the water pump 8 is connected to the interior of the water tank 2, and the output end of the water pump 8 is connected to the interior of the diverter box 10. The output end of the water pump 8 is a connecting hose, so that it can move with the movement of the diverter box 10. When the water pump 8 is started, its input end can draw water from the interior of the water tank 2 and deliver it to the interior of the diverter box 10 through the output end;

[0035] Lifting structure 9, the lifting structure 9 includes a support pile 91 and a connecting block 98, the support pile 91 is provided with two groups, and the two groups of support piles 91 are respectively fixedly connected to the two sides of one end of the upper surface of the movable bottom plate 1, and the connecting block 98 is provided with four groups, and the four groups of connecting blocks 98 are respectively fixedly connected to the upper and lower ends of the diversion box 10. The lifting structure 9 also includes a screw rod 92, and the screw rod 92 bearing is connected to the inside of the support pile 91, and the outer surface of the screw rod 92 is threadedly connected to the moving block 93, and the upper and lower ends of the inner surface of the moving block 93 are fixedly connected to the connecting groove 94, and the outer side of the connecting groove 94 is fixedly connected to the support frame 95, supporting An insertion rod 96 is inserted into the interior of the frame 95, and a second spring 97 is sleeved on the outer surface of the insertion rod 96. A connecting block 98 is inserted into the interior of the connecting groove 94, and the outer dimensions of the connecting block 98 are adapted to the inner dimensions of the connecting groove 94. The outer surfaces of the four groups of connecting blocks 98 can be completely inserted into the interiors of the four groups of connecting grooves 94, thereby facilitating the connection between the moving block 93 and the diverter box 10. A gripping handle is provided on the upper end surface of the diverter box 10, which can be used to facilitate gripping the diverter box 10 while irrigating some blind spots through the irrigation nozzle 11, thereby avoiding uneven irrigation to a certain extent.

[0036] A limiting ring is provided on the outer surface of the middle position of the insertion rod 96, and the two ends of the second spring 97 respectively abut the outer surface of the limiting ring and the inner surface of the support frame 95. An insertion hole is provided inside the outer surface of the connecting block 98, and the position of the insertion hole corresponds to the position of the insertion rod 96, and the outer size of the outer surface of one end of the insertion rod 96 is adapted to the inner size of the insertion hole. The limiting ring is supported by the second spring 97, and the second spring 97 can reset itself after pulling the insertion rod 96. When the outer surface of one end of the insertion rod 96 is inserted into the insertion hole opened inside the outer surface of the connecting block 98, the position of the connecting groove 94 and the connecting block 98 can be positioned by the insertion rod 96. Conversely, when the outer surface of one end of the insertion rod 96 is separated from the insertion hole opened inside the outer surface of the connecting block 98, the connecting block 98 can be separated from the inside of the connecting groove 94.

[0037] The filter plate 57 is then hinged and rotated to close the cover 4, so that the rainwater can be filtered through the filter plate 57 and collected into the water storage tank 2. When the collection is completed, the positioning rod 54 is pulled to move it inside the movable groove 52, and the outer surface of the other end of the positioning rod 54 is disengaged from the positioning holes opened in the outer surfaces of the two ends of the connecting plate 56, so that the connecting plate 56 can be taken out from the inside of the placement groove, and the engaging plate 55 is disengaged from the inside of the engaging groove 51, and the filter plate 57 is taken out from the inside of the water collection hopper 3, so that the leaves and other debris collected on the upper end surface of the filter plate 57 can be cleaned. After cleaning, the above operation is reversed to reinstall the filter plate 57, thereby filtering the rainwater through the filter structure 5, and then the cover 4 is hinged and rotated to close to prevent the water source in the water storage tank 2 from evaporating rapidly to a certain extent.

[0038] When irrigation is carried out, a certain amount of nutrient solution can be injected into the water tank 2, and then the motor 6 is started to rotate the stirring rod 7, so that the water source and the nutrient solution inside the water tank 2 are evenly stirred through the stirring rod 7, and then the water pump 8 is started so that its input end can draw water from the inside of the water tank 2 and transport it to the inside of the diversion box 10 through the output end. At this time, irrigation can be carried out by moving the pushing device and through multiple groups of irrigation nozzles 11. At the same time, rotating the screw rod 92 inside the support pile 91 can drive the moving block 93 to move up or down on the outer surface of the screw rod 92, and drive the diversion box 10 and the irrigation nozzle 11 to move up or down synchronously through the connecting groove 94 and the connecting block 98. Therefore, the lifting structure 9 is convenient for the device to adjust the irrigation according to actual needs. The height of irrigation. When irrigating some dead corners, the insertion rod 96 is pulled outward inside the support frame 95, so that the outer surface of one end of the insertion rod 96 is separated from the insertion hole opened inside the outer surface of the connecting block 98, thereby allowing the connecting block 98 to be separated from the inside of the connecting groove 94. At this time, the diversion box 10 can be held and used to irrigate some dead corners through the irrigation nozzle 11 to avoid possible uneven irrigation. On the contrary, when the connecting block 98 is inserted into the connecting groove 94, the elasticity of the second spring 97 itself can make the outer surface of one end of the insertion rod 96 inserted into the insertion hole opened inside the outer surface of the connecting block 98, thereby positioning the connection groove 94 and the connecting block 98. The above is the entire working principle of this utility model.

[0039] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0040] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0041] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A water-saving irrigation device, characterized in that: include: A movable bottom plate (1) is provided, wherein the upper surface of the movable bottom plate (1) is fixedly connected to a water storage tank (2), and one end of the upper surface of the water storage tank (2) is fixedly connected to a water collecting bucket (3), the upper ends of both sides of the water collecting bucket (3) are hingedly connected to a box cover (4), and filtering structures (5) are provided inside the two ends of the water collecting bucket (3), a motor (6) is installed at the other end of the upper surface of the water storage tank (2), and a stirring rod (7) is fixedly connected to the output end of the motor (6), and the movable bottom plate (1) is fixedly connected to the water storage tank (2). ) is installed at one end of the upper surface of the movable base plate (1), and lifting structures (9) are provided on both sides of one end of the upper surface of the movable base plate (1), a diverter box (10) is provided at the middle position of the lifting structure (9), and an irrigation nozzle (11) is connected to the outer surface of one side of the diverter box (10), and the irrigation nozzle (11) is provided in multiple groups, the input end of the water pump (8) is connected to the interior of the water storage tank (2), and the output end of the water pump (8) is connected to the interior of the diverter box (10); A filter structure (5), the filter structure (5) comprising a snap-fit ​​groove (51) and a movable groove (52), wherein the snap-fit ​​groove (51) is provided inside the inner wall surfaces at both ends of the water collecting bucket (3), and the movable groove (52) is provided inside the upper end surfaces at both ends of the water collecting bucket (3), and the snap-fit ​​groove (51) and the movable groove (52) are both provided in four groups; A lifting structure (9), the lifting structure (9) includes supporting piles (91) and connecting blocks (98), the supporting piles (91) are provided in two groups, and the two groups of supporting piles (91) are respectively fixedly connected to the two sides of one end of the upper surface of the movable base plate (1), and the connecting blocks (98) are provided in four groups, and the four groups of connecting blocks (98) are respectively fixedly connected to the upper and lower surfaces of both ends of the diversion box (10).

2. A water-saving irrigation device according to claim 1, characterized in that: The filtering structure (5) further comprises a first spring (53) and a positioning rod (54), and the first spring (53) and the positioning rod (54) are inserted into the interior of the movable groove (52), a clamping plate (55) is inserted into the interior of the clamping groove (51), and the upper end of the clamping plate (55) is fixedly connected to a connecting plate (56), and the lower end of the clamping plate (55) is fixedly connected to a filter plate (57), and placement grooves are provided on the upper end surfaces of both ends of the water collecting hopper (3), and the outer surface of the connecting plate (56) is fitted into the interior of the placement grooves.

3. A water-saving irrigation device according to claim 2, characterized in that: A pull plate is provided on the outer surface of one end of the positioning rod (54), and the pull plate passes through the interior of the movable groove (52) and extends out of the outer surface of the water collecting bucket (3). The two ends of the first spring (53) respectively abut against one side surface of the interior of the movable groove (52) and one side surface of the positioning rod (54). Positioning holes are provided inside the outer surfaces of both ends of the connecting plate (56), and the outer size of the other end of the positioning rod (54) is adapted to the inner size of the positioning hole.

4. The water-saving irrigation device according to claim 2, characterized in that: The upper end surfaces around the filter plate (57) are arranged in an inclined shape, and the inclined upper end surfaces of the filter plate (57) are adapted to the inner wall surfaces on both sides of the water collecting bucket (3).

5. The water-saving irrigation device according to claim 1, characterized in that: The lifting structure (9) also includes a screw rod (92), and the screw rod (92) bearing is connected to the inside of the support pile (91), and a moving block (93) is threadedly connected to the outer surface of the screw rod (92), and the surfaces of the upper and lower ends of the inner side of the moving block (93) are fixedly connected with a connecting groove (94), and the outer side of the connecting groove (94) is fixedly connected with a support frame (95), the interior of the support frame (95) is inserted with an insertion rod (96), and the outer surface of the insertion rod (96) is sleeved with a second spring (97), and the connecting block (98) is inserted into the interior of the connecting groove (94), and the outer size of the connecting block (98) is adapted to the inner size of the connecting groove (94).

6. The water-saving irrigation device according to claim 5, characterized in that: A limiting ring is provided on the outer surface of the middle position of the insertion rod (96), and the two ends of the second spring (97) respectively abut against the outer surface of the limiting ring and the inner surface of the support frame (95). An insertion hole is provided inside the outer surface of the connecting block (98), and the position of the insertion hole corresponds to the position of the insertion rod (96), and the outer size of the outer surface of one end of the insertion rod (96) is adapted to the inner size of the insertion hole.