Variable-frequency constant-pressure water pump shell with good compression resistance

Abstract

The utility model discloses a variable-frequency constant-pressure water pump shell with good compression resistance, and relates to the field of water pump shells. A variable-frequency constant-pressure water pump shell with good compression resistance comprises a water pump shell body, a compression resistance layer is arranged on the surface of the water pump shell body, an anti-corrosion layer is arranged on the surface of the compression resistance layer, a waterproof protection layer is arranged on the surface of the anti-corrosion layer, and a tail cover is arranged at the top of the water pump shell body. The bottom of the water pump shell body is fixedly connected with a connecting port. According to the variable-frequency constant-pressure water pump shell with the good compressive property, the compressive property of the water pump shell body is good in the using process through the compressive layer, the problem that the compressive property of the water pump shell body is poor in the using process is solved, and the compressive property of the water pump shell body is good through the anti-corrosion layer. The water pump shell body has good corrosion resistance in the using process, and the problem that the water pump shell body is poor in corrosion resistance in the using process is solved.

Description

Technical Field

[0001] The utility model relates to the field of water pump casings, in particular to a variable frequency constant pressure water pump casing with good pressure resistance. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals.

[0003] The existing water pump casing has poor pressure resistance. When people transport or use the water pump casing, it is easy to cause the water pump casing to pile up and squeeze, causing damage. In addition, it is corroded by rainwater erosion during use, which reduces its service life and is inconvenient for people to use.

[0004] Therefore, it is necessary to provide a variable frequency constant pressure water pump casing with good pressure resistance to solve the above-mentioned technical problems. The disclosure of the information in this background technology part is only intended to increase the understanding of the overall background of the invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art known to the general technicians in the field. Utility Model Content

[0005] The utility model provides a variable frequency constant pressure water pump casing with good pressure resistance, which solves the technical problems that the existing water pump casing has poor pressure resistance, is prone to pile-up and extrusion when people transport or use the water pump casing, causing damage, and is corroded by rainwater erosion during use, reducing its service life and making it inconvenient for people to use.

[0006] In order to solve the above technical problems, the utility model provides a variable frequency constant pressure water pump casing with good pressure resistance, including a water pump casing main body, the surface of the water pump casing main body is provided with a pressure-resistant layer, the surface of the pressure-resistant layer is provided with an anti-corrosion layer, the surface of the anti-corrosion layer is provided with a water-resistant protective layer, the top of the water pump casing main body is provided with a tail cover, and the bottom of the water pump casing main body is fixedly connected with a connection port.

[0007] Preferably, the pressure-resistant layer comprises a nickel steel layer, a manganese steel layer is provided on the surface of the nickel steel layer, and the thickness of the manganese steel layer is greater than the thickness of the nickel steel layer.

[0008] Preferably, the anti-corrosion layer comprises a polyurethane paint layer, the surface of the polyurethane paint layer is provided with an acrylic paint layer, and the thickness of the acrylic paint layer is the same as that of the polyurethane paint layer.

[0009] Preferably, the water-resistant protective layer comprises a chlorinated rubber paint layer, a fluorocarbon paint layer is provided on the surface of the chlorinated rubber paint layer, and the thickness of the fluorocarbon paint layer is the same as that of the chlorinated rubber paint layer.

[0010] Preferably, a heat dissipation through hole is provided at the top of the tail cover, and a connecting thread hole is provided at the bottom of the connecting port.

[0011] Compared with the related art, the variable frequency constant pressure water pump housing with good pressure resistance provided by the utility model has the following beneficial effects:

[0012] The utility model provides a variable frequency constant pressure water pump casing with good pressure resistance. The pressure-resistant layer has a good pressure resistance effect on the water pump casing main body during use, solving the problem that the water pump casing main body has poor pressure resistance during use. The anti-corrosion layer has a good corrosion resistance effect on the water pump casing main body during use, solving the problem that the water pump casing main body has poor corrosion resistance during use.

[0013] The utility model provides a variable frequency constant pressure water pump casing with good pressure resistance, which has a good hydrophobic effect on the water pump casing body during use through a water-resistant protective layer, thereby solving the problem of poor hydrophobic effect of the water pump casing body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a variable frequency constant pressure water pump housing with good pressure resistance provided by the utility model;

[0015] Figure 2 It is a partial cross-sectional view of the compression-resistant layer structure of the utility model;

[0016] Figure 3 It is a partial cross-sectional view of the anti-corrosion layer structure of the utility model;

[0017] Figure 4 It is a partial cross-sectional view of the water-resistant protective layer structure of the utility model.

[0018] Numbers in the figure: 1. Water pump housing body; 2. Pressure-resistant layer; 21. Nickel steel layer; 22. Manganese steel layer; 3. Corrosion-resistant layer; 31. Polyurethane paint layer; 32. Acrylic paint layer; 4. Water-resistant protective layer; 41. Chlorinated rubber paint layer; 42. Fluorocarbon paint layer; 5. Tail cover; 6. Connection port. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a variable frequency constant pressure water pump casing with good pressure resistance, comprising a water pump casing main body 1, a pressure-resistant layer 2 is arranged on the surface of the water pump casing main body 1, an anti-corrosion layer 3 is arranged on the surface of the pressure-resistant layer 2, a water-resistant protective layer 4 is arranged on the surface of the anti-corrosion layer 3, a tail cover 5 is arranged on the top of the water pump casing main body 1, a connection port 6 is fixedly connected to the bottom of the water pump casing main body 1, a heat dissipation through hole is arranged on the top of the tail cover 5, and a connection thread hole is arranged at the bottom of the connection port 6.

[0026] In this embodiment, a manganese steel layer 22 is used, wherein manganese steel, also known as manganese alloy steel, is a high-strength steel material, which is mainly used for severe working conditions such as impact, extrusion, and material wear. The main form of damage is wear and tear, partial breakage, and deformation. It is now widely used in engine underbody guard plates.

[0027] Embodiment 2:

[0028] See also Figure 1-4As shown, on the basis of embodiment 1, the utility model provides a technical solution: the pressure-resistant layer 2 includes a nickel steel layer 21, a manganese steel layer 22 is arranged on the surface of the nickel steel layer 21, the thickness of the manganese steel layer 22 is greater than the thickness of the nickel steel layer 21, the corrosion-resistant layer 3 includes a polyurethane paint layer 31, an acrylic paint layer 32 is arranged on the surface of the polyurethane paint layer 31, the thickness of the acrylic paint layer 32 is the same as the thickness of the polyurethane paint layer 31, the water-resistant protective layer 4 includes a chlorinated rubber paint layer 41, a fluorocarbon paint layer 42 is arranged on the surface of the chlorinated rubber paint layer 41, and the thickness of the fluorocarbon paint layer 42 is the same as the thickness of the chlorinated rubber paint layer 41.

[0029] In this embodiment: through the acrylic paint layer 32, wherein the acrylic paint is a single-component quick-drying fabric composed of high-grade acrylic resin, silicone resin, pigment, additives and solvents, etc., the acrylic paint film dries quickly, has good adhesion, heat resistance and weather resistance, has good outdoor durability, and can be used under relatively low temperature conditions; through the fluorocarbon paint layer 42, wherein the fluorocarbon paint refers to a coating with fluororesin as the main film-forming substance, also known as fluorocarbon paint, fluorine coating, fluororesin coating, etc. Among various coatings, fluororesin coating has particularly superior properties due to the large electronegativity of the introduced fluorine element and the strong carbon-fluorine bond energy, such as weather resistance, heat resistance, low temperature resistance, chemical resistance, and unique non-stickiness and low friction. After decades of rapid development, fluorocoatings have been widely used in various fields such as construction, chemical industry, electrical and electronic industry, machinery industry, aerospace industry, and household goods.

[0030] The working principle of a variable frequency constant pressure water pump housing with good pressure resistance provided by the utility model is as follows:

[0031] The first step to implement the innovation point:

[0032] The first step: the pressure-resistant layer 2 improves the pressure resistance of the water pump housing body 1 during use, thereby solving the problem of poor pressure resistance of the water pump housing body 1 during use;

[0033] Step 2: The anti-corrosion layer 3 improves the corrosion resistance of the water pump housing body 1 during use, thereby solving the problem of poor corrosion resistance of the water pump housing body 1 during use.

[0034] The second innovation point implementation steps:

[0035] The first step: the water-resistant protective layer 4 has a good hydrophobic effect on the water pump housing body 1 during use, thereby solving the problem of poor hydrophobic effect of the water pump housing body 1 during use.

[0036] All components in the present application document can be customized according to the description in the specification and the drawings. The connection relationship and specific structure between the layers in the present application document adopt the existing technology, such as through mechanical methods, through adhesives, and through various welding methods (such as heat welding, ultrasonic welding, flux, welding, and mechanical welding). No specific description is given here. All components in the present application document are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A variable frequency constant pressure water pump housing with good pressure resistance, comprising a water pump housing body (1), characterized in that: The surface of the water pump casing body (1) is provided with a pressure-resistant layer (2), the surface of the pressure-resistant layer (2) is provided with an anti-corrosion layer (3), the surface of the anti-corrosion layer (3) is provided with a water-resistant protective layer (4), the top of the water pump casing body (1) is provided with a tail cover (5), and the bottom of the water pump casing body (1) is fixedly connected with a connection port (6).

2. A variable frequency constant pressure water pump housing with good pressure resistance according to claim 1, characterized in that: The pressure-resistant layer (2) comprises a nickel steel layer (21), a manganese steel layer (22) is provided on the surface of the nickel steel layer (21), and the thickness of the manganese steel layer (22) is greater than the thickness of the nickel steel layer (21).

3. A variable frequency constant pressure water pump housing with good pressure resistance according to claim 1, characterized in that: The anti-corrosion layer (3) comprises a polyurethane paint layer (31), the surface of the polyurethane paint layer (31) is provided with an acrylic paint layer (32), and the thickness of the acrylic paint layer (32) is the same as that of the polyurethane paint layer (31).

4. A variable frequency constant pressure water pump housing with good pressure resistance according to claim 1, characterized in that: The water-resistant protective layer (4) comprises a chlorinated rubber paint layer (41), a fluorocarbon paint layer (42) is provided on the surface of the chlorinated rubber paint layer (41), and the thickness of the fluorocarbon paint layer (42) is the same as that of the chlorinated rubber paint layer (41).

5. A variable frequency constant pressure water pump housing with good pressure resistance according to claim 1, characterized in that: The top of the tail cover (5) is provided with a heat dissipation through hole, and the bottom of the connection port (6) is provided with a connection thread hole.

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