Drainage device

By designing a detachable filter structure, the problem of inconvenient disassembly of filters in existing drainage devices is solved, enabling convenient maintenance and efficient cleaning, and improving the usability and working efficiency of the water pump assembly.

CN223498126UActive Publication Date: 2025-10-31李林鹏
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Patent Information

Application Number
CN202421774743.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-10-31
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing drainage system's filter is fixedly connected, making it difficult to disassemble, which leads to difficulties in maintaining the water pump and water tank, resulting in low practicality.

Method used

A detachable filter element structure was designed. Through the cooperation of snap-fit ​​and threaded rod, the filter element can be separated from the water pump assembly, which facilitates disassembly and cleaning. Combined with the scraper ring to clean impurities in the filter holes, it improves maintenance convenience and work efficiency.

Benefits of technology

The filter elements are easy to disassemble and clean, which improves the maintenance convenience and working efficiency of the water pump assembly, avoids filter hole clogging, and enhances the stability of the filter elements.

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Abstract

The utility model relates to the technical field of water conservancy construction, in particular to a drainage device which comprises a water pump assembly. A connecting pipe is mounted at the top of the water pump assembly; a filtering piece is mounted at the bottom of the water pump, and filtering holes are formed in the outer wall of the filtering piece; a clamping sleeve is fixed to the top of the filtering piece, an L-shaped strip is fixed to the outer wall of the water pump assembly and clamped in the clamping sleeve, a first clamping hole is formed in the outer wall of the clamping sleeve, and a second clamping hole is formed in the outer wall of the L-shaped strip. And after one end of the fixing rod is separated from the interior of the second clamping hole, the filtering piece is driven to be separated from the water pump assembly, after the L-shaped strip is separated from the interior of the clamping sleeve, the filtering piece can be disassembled, and compared with the prior art, the filtering piece is convenient to disassemble, so that the water pump assembly is convenient to maintain, and the overall practicability is high.
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Description

Technical Field

[0001] This utility model relates to the field of water conservancy construction technology, specifically to a drainage device. Background Technology

[0002] Water conservancy projects refer to projects that control and regulate surface water and groundwater in nature to prevent floods and droughts and to develop and utilize water resources. They include irrigation and drainage projects, soil and water conservation projects, coastal reclamation projects, and water conservancy hubs. Water conservancy projects are responsible for blocking, storing, and releasing water, thus placing special requirements on the stability, pressure bearing capacity, seepage prevention, erosion resistance, wear resistance, frost resistance, and crack resistance of hydraulic structures. Specialized construction methods and measures must be adopted in accordance with the technical specifications for water conservancy projects to ensure project quality. During the construction process, drainage devices are used to drain water from water pits.

[0003] A search revealed a drainage device published on the China Patent Network, publication number CN221095342U. Although the filter device improves drainage efficiency, prevents equipment blockage, and extends the service life of the equipment, the filter device in this prior art is a fixed connection, which makes it inconvenient to disassemble and thus difficult to maintain the water tank and water pump, resulting in low practicality.

[0004] Therefore, a drainage device is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a drainage device.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A drainage device, comprising:

[0008] Water pump assembly;

[0009] A connecting pipe is installed on the top of the water pump assembly;

[0010] A filter element is installed at the bottom of the water pump, and filter holes are opened on the outer wall of the filter element.

[0011] The filter element is fixed with a retainer at the top, and the water pump assembly is fixed with an L-shaped strip on its outer wall, which is snapped into the retainer.

[0012] Preferably, the outer wall of the sleeve is provided with a first snap-fit ​​hole, and the outer wall of the L-shaped strip is provided with a second snap-fit ​​hole, and a fixing rod is snapped into the first snap-fit ​​hole and the second snap-fit ​​hole;

[0013] An auxiliary plate is fixed to one end of the fixing rod.

[0014] Preferably, a compression spring is provided on the outside of the fixing rod, one end of the compression spring is fixed to the auxiliary plate, and the other end of the compression spring is fixed to the outer wall of the sleeve.

[0015] Preferably, the outer wall of the filter element is provided with a groove, a slider is installed in the groove, a connecting ring is fixed to the outer wall of the slider, and a scraper ring is fixed to the bottom of the connecting ring.

[0016] Preferably, a vertical plate is fixed to the top of the connecting ring, and a threaded hole is opened on the outer wall of the vertical plate. A threaded rod is threadedly connected to the threaded hole, one end of the threaded rod is fixed to a rotating shaft, and the other end of the threaded rod is engaged in the inside of a locking hole.

[0017] The card slot is located on the outer wall of the card sleeve.

[0018] Preferably, a positioning plate is fixed to the outer wall of the threaded rod, and the positioning plate abuts against the auxiliary plate.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] This invention uses an auxiliary plate to pull a fixing rod, at which point a compression spring will stretch accordingly. After one end of the fixing rod disengages from the second snap-fit ​​hole, the filter element is then driven to separate from the water pump assembly. Once the L-shaped strip disengages from the sleeve, the filter element can be disassembled. Compared to existing designs, this invention facilitates the disassembly of the filter element, thereby facilitating the maintenance of the water pump assembly, and has higher overall practicality.

[0021] This utility model uses a rotating shaft to drive a threaded rod to move within a threaded hole. Once one end of the threaded rod disengages from the locking hole and the threaded hole, the fixing of the connecting ring can be released. Subsequently, with the cooperation of the sliding groove and the slider, the connecting ring can be driven to slide on the outer wall of the filter element. The connecting ring, together with the scraper ring, can clean impurities on the outer wall of the filter element, preventing filter hole blockage and improving the working efficiency of the filter element and water pump assembly.

[0022] By fixing a positioning plate to the outer wall of the threaded rod, and the positioning plate abutting against the auxiliary plate, the auxiliary plate and the fixing rod can be fixed under the action of the positioning plate, thereby improving the stability of the filter element. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This utility model Figure 1 Enlarged view of A in the middle;

[0025] Figure 3 This is a schematic diagram of the groove and slider structure in this utility model;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the base in this utility model.

[0027] In the diagram: 1. Water pump assembly; 2. Connecting pipe; 3. Filter element; 4. Sleeve; 5. L-shaped strip; 6. First snap-fit ​​hole; 7. Second snap-fit ​​hole; 8. Fixing rod; 9. Auxiliary plate; 10. Compression spring; 11. Slide groove; 12. Slider; 13. Connecting ring; 14. Scraper ring; 15. Vertical plate; 16. Threaded hole; 17. Threaded rod; 18. Snap-fit ​​hole; 19. Rotating shaft; 20. Positioning plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0030] Example 1:

[0031] Please see Figure 1 , 4 This utility model provides a technical solution: To achieve the above objectives, this utility model provides the following technical solution: A drainage device, comprising: a water pump assembly 1; a connecting pipe 2 installed on the top of the water pump assembly 1; a filter element 3 installed at the bottom of the water pump, the outer wall of the filter element 3 having filter holes; a retaining sleeve 4 fixed on the top of the filter element 3; an L-shaped strip 5 fixed on the outer wall of the water pump assembly 1, the L-shaped strip 5 being snapped into the inside of the retaining sleeve 4; a first snapping hole 6 being opened on the outer wall of the retaining sleeve 4; a second snapping hole 7 being opened on the outer wall of the L-shaped strip 5; a fixing rod 8 being snapped into the first snapping hole 6 and the second snapping hole 7; an auxiliary plate 9 fixed at one end of the fixing rod 8; a compression spring 10 provided outside the fixing rod 8; one end of the compression spring 10 being fixed to the auxiliary plate 9; and the other end of the compression spring 10 being fixed to the outer wall of the retaining sleeve 4.

[0032] Specifically, in this invention, the fixing rod 8 is pulled by the auxiliary plate 9, at which time the compression spring 10 will perform a corresponding stretching movement. After one end of the fixing rod 8 is disengaged from the second snap-fit ​​hole 7, the filter element 3 is driven to separate from the water pump assembly 1. After the L-shaped strip 5 is disengaged from the sleeve 4, the filter element 3 can be disassembled. Compared with the existing ones, this invention facilitates the disassembly of the filter element 3, thereby facilitating the maintenance of the water pump assembly 1, and has higher overall practicality.

[0033] Example 2:

[0034] Please see Figure 1-3 This utility model provides a technical solution: a drainage device, wherein a groove 11 is provided on the outer wall of the filter element 3, a slider 12 is installed in the groove 11, a connecting ring 13 is fixed on the outer wall of the slider 12, a scraper ring 14 is fixed at the bottom of the connecting ring 13, a vertical plate 15 is fixed at the top of the connecting ring 13, a threaded hole 16 is provided on the outer wall of the vertical plate 15, a threaded rod 17 is threadedly connected in the threaded hole 16, a rotating shaft 19 is fixed at one end of the threaded rod 17, and the other end of the threaded rod 17 is engaged in the inside of the locking hole 18; the locking hole 18 is provided on the outer wall of the sleeve 4, and a positioning plate 20 is fixed on the outer wall of the threaded rod 17, the positioning plate 20 abuts against the auxiliary plate 9.

[0035] Specifically, by rotating the shaft 19, the threaded rod 17 moves within the threaded hole 16. Once one end of the threaded rod 17 disengages from the locking hole 18 and the threaded hole 16, the fixing of the connecting ring 13 can be released. Subsequently, with the cooperation of the sliding groove 11 and the slider 12, the connecting ring 13 can be driven to slide on the outer wall of the filter element 3. The connecting ring 13, in conjunction with the scraper ring 14, can clean impurities on the outer wall of the filter element 3, preventing filter hole blockage and improving the working efficiency of the filter element 3 and the water pump assembly 1.

[0036] By fixing a positioning plate 20 to the outer wall of the threaded rod 17, the positioning plate 20 abuts against the auxiliary plate 9. Under the action of the positioning plate 20, the auxiliary plate 9 and the fixing rod 8 can be fixed, thereby improving the stability of the filter element 3.

[0037] It should be noted that when disassembling the filter element 3, the threaded rod 17 needs to be disassembled in advance to avoid the threaded rod 17 obstructing the disassembly of the filter element 3.

[0038] Working principle:

[0039] First, the fixing rod 8 is pulled by the auxiliary plate 9. At this time, the compression spring 10 will perform a corresponding stretching movement. After one end of the fixing rod 8 is disengaged from the second snap-fit ​​hole 7, the filter element 3 is driven to separate from the water pump assembly 1. After the L-shaped strip 5 is disengaged from the sleeve 4, the filter element 3 can be disassembled. Compared with the existing ones, this utility model is easier to disassemble the filter element 3, which makes it easier to maintain the water pump assembly 1. The overall practicality is high.

[0040] Secondly, by rotating the shaft 19, the shaft 19 will drive the threaded rod 17 to move in the threaded hole 16. After one end of the threaded rod 17 is disengaged from the locking hole 18 and the threaded hole 16, the fixing of the connecting ring 13 can be released. Then, with the cooperation of the sliding groove 11 and the slider 12, the connecting ring 13 can be driven to slide on the outer wall of the filter element 3. The connecting ring 13, together with the scraper ring 14, can clean the impurities on the outer wall of the filter element 3, avoid the filter holes from being blocked, and improve the working efficiency of the filter element 3 and the water pump assembly 1.

[0041] By fixing a positioning plate 20 to the outer wall of the threaded rod 17, the positioning plate 20 abuts against the auxiliary plate 9. Under the action of the positioning plate 20, the auxiliary plate 9 and the fixing rod 8 can be fixed, thereby improving the stability of the filter element 3.

[0042] It should be noted that when disassembling the filter element 3, the threaded rod 17 needs to be disassembled in advance to avoid the threaded rod 17 obstructing the disassembly of the filter element 3.

[0043] In the description of this utility model, it should be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A drainage device, characterized in that, include: Water pump assembly (1); A connecting pipe (2) is installed on the top of the water pump assembly (1); A filter element (3) is installed at the bottom of the water pump, and filter holes are provided on the outer wall of the filter element (3); The filter element (3) is fixed with a sleeve (4) at the top, and the water pump assembly (1) is fixed with an L-shaped strip (5) on the outer wall. The L-shaped strip (5) is snapped into the sleeve (4). The outer wall of the sleeve (4) is provided with a first snap-fit ​​hole (6), and the outer wall of the L-shaped strip (5) is provided with a second snap-fit ​​hole (7). A fixing rod (8) is snapped into the first snap-fit ​​hole (6) and the second snap-fit ​​hole (7). An auxiliary plate (9) is fixed to one end of the fixing rod (8); The fixing rod (8) is provided with a compression spring (10) on the outside. One end of the compression spring (10) is fixed to the auxiliary plate (9), and the other end of the compression spring (10) is fixed to the outer wall of the sleeve (4).

2. The drainage device according to claim 1, characterized in that, The filter element (3) has a groove (11) on its outer wall. A slider (12) is installed in the groove (11). A connecting ring (13) is fixed on the outer wall of the slider (12). A scraper ring (14) is fixed at the bottom of the connecting ring (13).

3. A drainage device according to claim 2, characterized in that, The top of the connecting ring (13) is fixed with a vertical plate (15), and the outer wall of the vertical plate (15) is provided with a threaded hole (16). A threaded rod (17) is threadedly connected in the threaded hole (16). One end of the threaded rod (17) is fixed with a rotating shaft (19), and the other end of the threaded rod (17) is engaged in the inside of the locking hole (18). The card hole (18) is located on the outer wall of the card sleeve (4).

4. A drainage device according to claim 3, characterized in that, The outer wall of the threaded rod (17) is fixed with a positioning plate (20), which abuts against the auxiliary plate (9).

Citation Information

Patent Citations

  • Drainage device

    CN221095342U