Self-cleaning pump shell
By setting up cleaning channels and an inclined structure on the water pump casing, the problem of damage caused by mud and sand accumulation is solved, achieving a highly efficient cleaning effect without disassembly.
Patent Information
- Application Number
- CN202423110224.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-16
AI Technical Summary
When existing water pumps operate underwater with silt and sand, silt and sand easily accumulate in the gap between the impeller and the pump casing, causing damage and making cleaning difficult. It is necessary to disassemble the pump casing for cleaning.
A cleaning channel is set on the pump casing, including an inlet pipe, a water storage and pressurization chamber, and an outlet channel. The mud and sand in the gaps are cleaned by pressurizing the external water source. The design is inclined to increase the cleaning water pressure.
It enables direct cleaning of mud and sand in crevices without disassembling the pump casing, making cleaning convenient and effective.
Smart Images
Figure CN223524080U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a water pump, in particular to a self-cleaning pump shell. BACKGROUND
[0002] In some special scenes such as silt underwater, the water pump is easy to accumulate silt in the gap between the impeller blade and the pump shell during operation, and if it is not cleaned for a long time, the impeller and the pump shell are easy to be damaged. At present, the silt is cleaned by disassembling the pump shell, which is more troublesome. SUMMARY
[0003] To solve the defects of the prior art, the utility model provides a self-cleaning pump shell, which is provided with a cleaning channel on the pump shell, can clean the silt in the gap directly by external cleaning water, and is convenient to clean without disassembling the pump shell.
[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme: a self-cleaning pump shell, comprising a pump shell, a impeller is arranged in the pump shell, the pump shell is provided with a plurality of water inlet pipes, an annular step surface is arranged in the pump shell, the blades of the impeller are directed to the annular step surface and form a gap, an annular inclined surface is arranged on the outer edge of the annular step surface, a transition inclined surface is arranged between the annular step surface and the annular inclined surface, the pump shell is provided with a water inlet channel, a water outlet channel and a water storage pressurizing cavity, the inlet of the water inlet channel is communicated with the outside, the outlet is communicated with the water storage pressurizing cavity, the inlet of the water outlet channel is communicated with the water storage pressurizing cavity, and the outlet is communicated with the gap.
[0005] The outlet of the water inlet channel and the inlet of the water outlet channel are staggered.
[0006] The water storage pressurizing cavity is arranged in an inclined manner, and the connection section surface of the water inlet channel, the water outlet channel and the water storage pressurizing cavity is in a Z shape.
[0007] The inlet of the water inlet channel is provided with a quick connector.
[0008] In summary, the utility model has the following technical effects:
[0009] The utility model is provided with a cleaning channel on the pump shell, can clean the silt in the gap directly by external cleaning water, and is convenient to clean without disassembling the pump shell;
[0010] The utility model sets the pressurizing cavity in an inclined manner, and the inlet and outlet are arranged on the upper and lower positions of the two sides, can pressurize and store water, the pressure of the cleaning water is larger, and the cleaning effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a self-cleaning pump shell partial section schematic view;
[0012] Figure 2 is Figure 1 a partial enlarged schematic view of the;
[0013] Figure 3 is Figure 2 a partial enlarged schematic view of the. DETAILED DESCRIPTION
[0014] The utility model will be described in further detail below in conjunction with the drawings.
[0015] The specific embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the person skilled in the art can make the modification of no creative contribution according to the need after reading the present specification, but as long as in the utility model's scope of claims is protected by the patent law.
[0016] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0017] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.
[0018] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0019] In the utility model, unless another definite provision and limitation, first feature is on second feature " on " or " under " can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature " on " " above " and " on " of second feature can be first feature directly above or obliquely above second feature, or just indicate that first feature horizontal height is higher than second feature. First feature " under " " below " and " under " of second feature can be first feature directly below or obliquely below second feature, or just indicate that first feature horizontal height is less than second feature.
[0020] Embodiment:
[0021] Figure 1 It is a self-cleaning pump shell partial section view schematic diagram, Figure 2 It is Figure 1 Partial enlarged schematic view of, Figure 3 It is Figure 2 Partial enlarged schematic view of, including pump shell 1, the impeller 2 is arranged in the pump shell 1, the pump shell 1 is provided with multiple water inlet pipes 11, the inside of the pump shell 1 is provided with annular step surface 106, the blade of the impeller 2 is towards the annular step surface 106 and forms gap 3, the outer edge of the annular step surface 106 is provided with annular inclined surface 107, the transition inclined surface 101 is arranged between the annular step surface 106 and the annular inclined surface 107, the pump shell 1 is provided with water inlet channel 102 and water outlet channel 104 and water storage pressurizing chamber 103, the inlet of the water inlet channel 102 is communicated with the outside, and the outlet is communicated with the water storage pressurizing chamber 103, the inlet of the water outlet channel 104 is communicated with the water storage pressurizing chamber 103, and the outlet is communicated with the gap 3.
[0022] The water inlet channel 102 outlet and the water outlet channel 104 inlet stagger. Further, the water storage pressurizing chamber 103 is inclined, and the connection section of the water inlet channel 102, the water outlet channel 104 and the water storage pressurizing chamber 103 is Z-shaped. The entire cleaning water channel is designed to be inclined, to prevent the cleaning water from flowing back, and the water storage pressurizing chamber 103 is arranged to be staggered and inclined, to increase the effect of water storage pressurization, so that the cleaning water has higher pressure and better cleaning effect.
[0023] The outlet of the water outlet channel 104 of the utility model is located at the connection of the annular step surface 106 and the transition inclined surface 101, and the end portion is provided with an upward inclined bending outlet 108, the obtuse angle connection between the bending outlet 108 and the water outlet channel 104 makes the cleaning water rush to the gap 3, and the bending structure channel is further pressurized, so that the cleaning effect is better.
[0024] The inlet of the water inlet channel 102 is provided with a quick connector 105. When cleaning is needed, connect the water pipe and water source, and the quick connector can conveniently connect the water pipe.
[0025] When cleaning, stop the water pump and disconnect the water source of the water pump. Connect the cleaning water pipe to the connector, start the cleaning water source, and the cleaning water is pressurized in the pressurizing chamber, directly flows along the water outlet channel 104 and the bent outlet 108 to the gap, and removes the silt at the gap. Intermittently start the water pump to make the impeller rotate intermittently, which is beneficial to quickly remove the silt.
[0026] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment are within the scope of the technical scheme of the present application.
Claims
1. A self-cleaning pump casing comprising a pump casing (1) in which an impeller (2) is arranged, said pump casing (1) being provided with a plurality of water inlet pipes (11), characterized in that: The inside of the pump shell (1) is provided with an annular stepped surface (106), the blades of the impeller (2) are towards the annular stepped surface (106) and form a gap (3), the outer edge of the annular stepped surface (106) is provided with an annular inclined surface (107), a transition inclined surface (101) is arranged between the annular stepped surface (106) and the annular inclined surface (107), the pump shell (1) is provided with a water inlet channel (102) and a water outlet channel (104) and a water storage pressurizing cavity (103), the inlet of the water inlet channel (102) is communicated with the outside, the outlet is communicated with the water storage pressurizing cavity (103), the inlet of the water outlet channel (104) is communicated with the water storage pressurizing cavity (103), and the outlet is communicated with the gap (3).
2. A self-cleaning pump housing according to claim 1, characterized in that: The outlet of the water inlet channel (102) and the inlet of the water outlet channel (104) are staggered.
3. A self-cleaning pump housing in accordance with claim 1 wherein: The water storage pressurizing cavity (103) is arranged in an inclined manner, and the connection sections of the water inlet channel (102), the water outlet channel (104) and the water storage pressurizing cavity (103) are in Z-shaped type.
4. A self-cleaning pump housing in accordance with claim 1 wherein: The inlet of the water inlet channel (102) is provided with a quick connector (105).