CN220015582U - Pump body runner structure and water pump - Google Patents

Abstract

The utility model relates to a pump body flow passage structure, which comprises a pump head, wherein the pump head is of a structure with a large upper part and a small lower part, one side of the pump head is provided with a water inlet, the water inlet is connected with a water inlet channel in the pump head, the water inlet channel is formed by separating a first blocking wall and a second blocking wall from other cavities in the pump head, the top surface of the second blocking wall is provided with a water inlet outlet, the water inlet outlet is provided with a round hole, the water inlet outlet is connected with a first fluid passage in the pump head, the pump head is provided with a water stopping sensor interface at a position corresponding to the water inlet outlet, the water stopping sensor interface is connected with a first fluid passage in the pump head, the bottom of the first fluid passage is connected with an impeller groove through a fluid inlet, the impeller groove is provided with a fluid outlet at one side opposite to the fluid inlet and is connected with a second fluid passage through the fluid outlet, and the second fluid passage is separated from the first fluid passage by a third blocking wall in the pump head.

Description

Pump body runner structure and water pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a pump body flow passage structure and a water pump.

Background

A water pump is a machine that delivers or pressurizes a liquid. The mechanical energy or other external energy of the prime mover is transmitted to the liquid, so that the energy of the liquid is increased, the liquid is mainly used for conveying the liquid including water, oil, acid-alkali liquor, emulsion, suspension, liquid metal and the like, and can also be used for conveying liquid, gas mixture and liquid containing suspended solids.

The prior art has the following disadvantages: the flow path in the pump body on the market is more, and the water can pass through unnecessary flow path when getting into the pump body, if the runner surface is comparatively coarse this moment, can bring more resistance for the water body, reduces the velocity of flow of water, can produce the mixing sound when the water pump operates to can produce cavitation, influence the life of the pump body.

Disclosure of Invention

In order to solve the problems, the utility model provides a pump body flow passage structure with low mixing noise and a water pump.

In order to achieve the above purpose, the pump body flow passage structure designed by the utility model comprises a pump head, wherein the pump head is of a structure with a large upper part and a small lower part, one side of the pump head is provided with a water inlet, the water inlet is connected with a water inlet channel in the pump head, the water inlet channel is formed by separating a first blocking wall and a second blocking wall from other cavities in the pump head, the first blocking wall and the second blocking wall are mutually perpendicular, the top surface of the second blocking wall is provided with a water inlet outlet, the water inlet outlet is arranged as a round hole, the water inlet outlet is connected with a first fluid passage in the pump head, the pump head is provided with a water stopping sensor interface at a position corresponding to the water inlet outlet, the water stopping sensor interface is connected with a first fluid passage in the pump head, the bottom of the first fluid passage is connected with an impeller groove through a fluid inlet, the impeller groove is provided with a fluid outlet at one side opposite to the fluid inlet, the second fluid passage is separated by a third blocking wall in the pump head through the fluid outlet, the top of the pump head is respectively provided with a water inlet and a water filling sensor interface between the water inlet and the water filling sensor. The structure is characterized in that the flow path of the fluid in the pump body is optimized, so that the flow path is reduced as much as possible, a relatively simple flow path is formed, a water inlet outlet is arranged above the water inlet channel, the fluid enters the pump body from the water inlet outlet after flowing through the water inlet channel, then enters the impeller groove from the first fluid path, enters the second fluid path after being pressurized by the impeller in the impeller groove, finally is sprayed out from the water outlet, and the fluid only needs to flow through the three flow paths of the water inlet channel, the first fluid path and the second fluid path in the pump body, so that the redundant flow path is greatly reduced, the mixed sound and noise of the pump body during operation are reduced, the flow speed of the fluid in the pump body is also ensured, and a water stopping sensor interface arranged on the pump head can be connected with the water stopping sensor, so that the start-stop of the whole pump body can be monitored.

The further proposal is that the impeller groove is provided with a drain hole. The drainage hole can empty the liquid remained in the pump head after the pump body conveys the water body.

A further solution is that the second fluid passage is provided with a splitter plate at a position close to the fluid outlet. The flow dividing sheet can control and adjust the flow and speed of the fluid, and the working efficiency and stability of the pump head are improved.

Further, the fluid area of the second fluid passage is gradually enlarged, and the enlarged path extends from the fluid outlet to the top of the second fluid passage. The structure is characterized in that when fluid is pressurized by the impeller to flow through the second fluid passage, the section of the second fluid passage is gradually enlarged, so that the flow velocity of liquid is reduced, and the pressure loss of the liquid when the liquid passes through the pump head is reduced. This helps to improve the efficiency and performance of the pump.

The pump head is provided with a pressure switch interface and a pressure tank interface on one side connected with the pump body, and the pressure tank interface is connected with a pressure tank connecting channel in the pump head; the pressure switch interface and the pressure tank connecting channel are respectively connected with the second fluid passage. The pressure switch and the pressure tank connected with the pressure tank connector can well control the pressure of the pump body.

The utility model also provides a water pump, which comprises the pump body flow passage structure.

Compared with the prior art, the pump body flow passage structure designed by the utility model reduces redundant flow passage paths, fluid only needs to flow through the water inlet passage, the first fluid passage and the second fluid passage in the pump body, and the water inlet outlet is provided with the round holes, the round holes can reduce friction surfaces with the fluid, further reduce resistance and reduce cavitation phenomenon, fewer flow passage paths can effectively reduce the path taken by the fluid, thereby reducing friction force between the fluid and the pump body, the cross section of the second fluid passage which is gradually enlarged can well slow down the flow rate of the fluid pressurized by the impeller, reduce the pressure loss of the fluid in the pump head, reduce cavitation phenomenon by fewer fluid paths, prolong the service life of the pump body, and lower friction means lower noise and mixing noise.

Drawings

FIG. 1 is a schematic view of a pump body according to embodiment 1 of the present utility model;

FIG. 2 is a rear view of the pump body of embodiment 1 of the present utility model;

FIG. 3 is a vertical sectional view of embodiment 1 of the present utility model;

FIG. 4 is a vertical flow channel cross-section of embodiment 1 of the present utility model;

fig. 5 is a transverse sectional view of embodiment 1 of the present utility model.

Wherein: pump head 1, water inlet 2, water inlet channel 3, water inlet outlet 4, first fluid passage 5, water cut-off sensor interface 6, impeller groove 7, second fluid passage 8, water outlet hole 9, water injection hole 10, water discharge hole 11, pressure switch interface 12, pressure tank interface 13, pressure tank connection channel 14, diverter 15, first blocking wall 16, second blocking wall 17, fluid inlet 18, fluid outlet 19, third blocking wall 20.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the pump body flow passage structure described in this embodiment includes a pump head 1, the pump head 1 is in an up-and-down small structure, a water inlet 2 is provided at one side of the pump head 1, the water inlet 2 is connected with a water inlet channel 3 in the pump head 1, the water inlet channel 3 is formed by separating a first blocking wall 16 and a second blocking wall 17 from other chambers in the pump head 1, the first blocking wall 16 and the second blocking wall 17 are perpendicular to each other, a water inlet outlet 4 is provided at the top surface of the second blocking wall 17, the water inlet outlet 4 is provided in a circular hole, the water inlet outlet 4 is connected with a first fluid passage 5 in the pump head 1, a water stop sensor interface 6 is provided at a position corresponding to the water inlet outlet 4 in the pump head 1, the water stop sensor interface 6 is connected with the first fluid passage 5 in the pump head 1, the bottom of the first fluid passage 5 is connected to the impeller groove 7 through a fluid inlet 18, as shown in fig. 1 and 2, a drain hole 11 is provided in the impeller groove 7, a fluid outlet 19 is provided on the side opposite to the fluid inlet 18 in the impeller groove 7, and a second fluid passage 8 is connected through the fluid outlet 19, as shown in fig. 3 and 4, the fluid area of the second fluid passage 8 is gradually enlarged, the enlarged path extends from the fluid outlet 19 to the top of the second fluid passage 8, the second fluid passage 8 is separated from the first fluid passage 5 by a third blocking wall 20 in the pump head 1, the pump head 1 is provided with a water outlet 9 and a water filling hole 10 at the top of the second fluid passage 8, the water filling hole 10 is located between the water outlet 9 and the water stop sensor interface 6, as shown in fig. 2, the pump head 1 is provided with a pressure switch interface 12 and a pressure tank interface 13 on one side connected with the pump body, and the pressure tank interface 13 is connected with a pressure tank connecting channel 14 in the pump head 1; as shown in fig. 5, the pressure switch port 12 and the pressure tank connection passage 14 are connected to the second fluid passage 8, respectively.

As shown in fig. 4, the second fluid passage 8 is provided with a flow dividing plate 15 at a position near the fluid outlet 19.

When the pump head 1 is used, the motor part is connected with the pump head 1, the internal air is firstly emptied by pouring liquid into the water filling port 10, the water inlet 2, the pressure switch interface 12 and the pressure tank interface 13 are respectively connected with the water inlet pipe, the pressure switch interface and the pressure tank, when fluid enters the pump head 1, the fluid enters the water inlet passage 3, then enters the first fluid passage 5 from the water inlet outlet 4 on the water inlet passage 3, is sprayed out from the second fluid passage 8 after being pressurized by the impeller, and fewer internal flow passages are arranged, so that the friction force between the fluid and the pump body can be reduced, and the noise generated during the operation of the pump body can be reduced.

Example 2

The utility model provides a water pump, comprising the pump body flow passage structure in the embodiment 1.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The pump body flow passage structure comprises a pump head (1), and is characterized in that the pump head (1) is of a structure with a large upper part and a small lower part, one side of the pump head (1) is provided with a water inlet (2), the water inlet (2) is connected with a water inlet channel (3) in the pump head (1), the water inlet channel (3) is formed by separating a first blocking wall (16) and a second blocking wall (17) from other chambers in the pump head (1), the first blocking wall (16) and the second blocking wall (17) are mutually perpendicular, the top surface of the second blocking wall (17) is provided with a water inlet outlet (4), the water inlet outlet (4) is arranged in a round hole, the water inlet outlet (4) is connected with a first fluid passage (5) in the pump head (1), a position corresponding to the water inlet outlet (4) is provided with a water sensor interface (6), the water sensor interface (6) is connected with the first fluid passage (5) in the pump head, the first fluid passage (5) is connected with an impeller (19) through a fluid inlet (18) through a fluid inlet (7), the impeller (19) is connected with the fluid outlet (19) through a fluid inlet (19), the second fluid passage (8) and the first fluid passage (5) are separated by a third blocking wall (20) in the pump head (1), the top of the second fluid passage (8) of the pump head (1) is provided with a water outlet hole (9) and a water injection hole (10) respectively, the water injection hole (10) is connected with the second fluid passage (8), and the water injection hole (10) is positioned between the water outlet hole (9) and the water cut-off sensor interface (6).

2. Pump body flow passage structure according to claim 1, characterized in that the impeller groove (7) is provided with a drain hole (11).

3. Pump body flow channel structure according to claim 1, characterized in that the second fluid passage (8) is provided with a flow dividing piece (15) at a position close to the fluid outlet (19).

4. Pump body flow channel structure according to claim 1, characterized in that the flow area of the second flow channel (8) is gradually enlarged, this enlarged path starting from the flow outlet (19) and extending all the way to the top of the second flow channel (8).

5. The pump body flow passage structure according to claim 1, characterized in that the pump head (1) is provided with a pressure switch interface (12) and a pressure tank interface (13) on one side connected with the pump body, and the pressure tank interface (13) is connected with a pressure tank connecting channel (14) inside the pump head (1); the pressure switch connection (12) and the pressure tank connection channel (14) are each connected to the second fluid channel (8).

6. A water pump, characterized in that it comprises a pump head (1) flow channel structure according to any one of the preceding claims 1-5.