Vortex pump having noise reduction function

Abstract

A vortex pump having a noise reduction function. A plurality of noise reduction structures are arranged in the vortex pump. The noise reduction structures are noise reduction notches (1) formed in the vortex pump. The noise reduction notches (1) are provided on a wall face inside of the vortex pump to allow a water stream to pass through and to provide a slow flow area for the water stream passing through. An edge of each noise reduction notch (1) is formed on the wall surface of the interior of the vortex pump by means of arc transition. The cross section of each noise reduction notch (1) is triangular, and the notch surface of each noise reduction notch (1) is an inclined surface. Said vortex pump has a good noise reduction effect.

Description

Vortex pump with noise reduction function TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field relates to a vortex pump especially vortex pump with noise reduction function. BACKGROUND

[0002] The current vortex pump when water flow passes through its inside, the high impact of water flow collides with the inside of the pump and will produce greater noise, affect the whole use. TECHNICAL PROBLEM

[0003] The utility model aims at the above -mentioned problem existing in prior art, provides a vortex pump with noise reduction function and good noise reduction effect. TECHNICAL SCHEME

[0004] The utility model discloses a vortex pump with noise reduction function, characterized by being provided with a plurality of noise reduction structures in the vortex pump, the noise reduction structure is the noise reduction gap opened in the vortex pump, the noise reduction gap is opened on the wall surface inside the vortex pump to be used for the area that water flow passes through and provides the slow flow of the water flow, the edge of the noise reduction gap is formed on the wall surface inside the vortex pump by arc transition, the cross section of the noise reduction gap is triangular, and the gap surface of the noise reduction gap is inclined surface.

[0005] In the vortex pump with noise reduction function, the vortex pump includes a pump body and a connecting cover on the pump body, and the noise reduction structure is formed on the inner wall of the pump body and the inner wall of the connecting cover.

[0006] In the vortex pump with noise reduction function, the vortex pump is a multi-stage vortex pump, a centrifugal vortex pump or a self-priming vortex pump. Beneficial effects

[0007] Compared with the prior art, the vortex pump with noise reduction function has the following advantages:

[0008] By setting multiple noise reduction gaps in the vortex pump, the impact of water flow is reduced, and the noise reduction effect is achieved. The noise reduction gap can be applied to multiple structural positions in the pump and can also be applied to different series of vortex pumps. DRAWINGS

[0009] Fig. 1 is a structure diagram of the pump body in the vortex pump with noise reduction function.

[0010] Fig. 2 is a structure diagram of the connecting cover in the vortex pump with noise reduction function.

[0011] Fig. 3 is a partial structure diagram of the pump body in the vortex pump with noise reduction function for highlighting the noise reduction structure.

[0012] Fig. 1, noise reduction gap; 2, pump body; 3, connecting cover. Embodiments of the present application

[0013] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in conjunction with the drawings, but the present application is not limited to these embodiments.

[0014] As shown in FIG. 1, FIG. 2, FIG. 3, the vortex pump with noise reduction function is provided with a plurality of noise reduction structures. The noise reduction structure is a noise reduction gap 1 opened in the vortex pump. The noise reduction gap 1 is opened on the inner wall of the vortex pump to provide a region for water flow to pass through and provide a slow flow for the passing water flow. The edge of the noise reduction gap 1 is transitioned to the inner wall of the vortex pump by a circular arc. The cross section of the noise reduction gap 1 is triangular. The gap surface of the noise reduction gap 1 is an inclined surface, which changes the impact direction of the water flow and buffers the impact intensity of the water flow.

[0015] Further, the vortex pump includes a pump body 2 and a connecting cover 3 on the pump body 2. The noise reduction structure is formed on the inner wall of the pump body 2 and the inner wall of the connecting cover 3 and other wall surfaces for water flow.

[0016] Further, the vortex pump is a multi-stage vortex pump, a centrifugal vortex pump or a self-priming vortex pump. The noise reduction structure can be applied to various vortex pumps.

[0017] Compared with the prior art, the vortex pump with noise reduction function has the following advantages:

[0018] By providing a plurality of noise reduction gaps 1 in the vortex pump, the impact of the water flow is reduced, thereby achieving the effect of noise reduction. The noise reduction gap 1 can be applied to multiple structural positions in the pump and can also be applied to different series of vortex pumps.

[0019] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0020] Although the terms noise reduction gap 1, pump body 2, connecting cover 3, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. A vortex pump with noise reduction function, characterized in that, The vortex pump is provided with a plurality of noise reduction structures, the noise reduction structure is a noise reduction notch (1) opened in the vortex pump, the noise reduction notch (1) is opened on the wall surface inside the vortex pump to provide a region for water flow to pass through and provide slow flow for the passing water flow, the edge of the noise reduction notch (1) is transitionally formed on the wall surface inside the vortex pump through a circular arc, the cross section of the noise reduction notch (1) is triangular, and the notch surface of the noise reduction notch (1) is an inclined surface.

2. The vortex pump with noise reduction function according to claim 1, characterized in that, The vortex pump comprises a pump body (2) and a connecting cover (3) on the pump body (2), and the noise reduction structure is formed on the inner wall of the pump body (2) and the inner wall of the connecting cover (3).

3. The vortex pump with noise reduction function according to claim 1, characterized in that, The vortex pump is a multi-stage vortex pump, a centrifugal vortex pump or a self-priming vortex pump.

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