CN220134213U

CN220134213U - Electric water pump

Info

Publication number: CN220134213U
Application number: CN202321253108.2U
Authority: CN
Inventors: 刘金华
Original assignee: Jiujiang Jinrui Pipeline Dredging Co ltd
Current assignee: Jiujiang Jinrui Pipeline Dredging Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-12-05
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the field of fluid machinery, wherein the pump shaft is driven to rotate by a hydraulic driving device in the prior submersible pumps, during normal operation, the failure of a hydraulic system can cause the water pump to not work normally, and meanwhile, a set of hydraulic system is additionally arranged to provide high-pressure liquid for the hydraulic driving device; the two ends of the connecting cylinder are respectively provided with a first connecting disc and a second connecting disc, compared with the original water pump, the hydraulic drive driven by the water pump is replaced by the permanent magnet motor drive, the water pump structure is simpler, the water pump can not normally work due to the failure of the hydraulic system, after the structure is improved, the lift of the water pump is effectively improved, the failure rate is reduced, and the continuous operation work of the water pump is ensured.

Description

Electric water pump

Technical Field

The utility model relates to the field of fluid machinery, in particular to an electric water pump.

Background

The submersible pump is also called a submerged pump, is a pump working in potential water (under the liquid), is an important device for urban sewage discharge, sewage treatment, road and bridge engineering drainage, irrigation and drainage in hydraulic engineering and the like, is used for sewage treatment along with the perfection of national environmental protection regulations and the enhancement of environmental protection consciousness of people, and is used for sewage treatment, and the pump shaft is driven to rotate by a hydraulic driving device in the prior submersible pumps.

Disclosure of Invention

The utility model aims to overcome the defects of the technology and provide an electric water pump.

In order to solve the technical problems, the technical scheme provided by the utility model is that the electric water pump comprises a pump shell, a connecting cylinder and a driving device, wherein a pump cavity is arranged in the pump shell, a water inlet hole is formed in the center of the bottom of the pump cavity, an impeller is arranged in the pump cavity, and a water outlet pipe is arranged on the side wall of the pump shell;

the two ends of the connecting cylinder are respectively provided with a first connecting disc and a second connecting disc, the second connecting disc is fixedly connected with a pump cavity port, the center of the second connecting disc is provided with a second shaft hole, and the first connecting disc is fixedly connected with one side of the driving device, which is provided with a driving shaft;

the impeller is characterized in that a first shaft hole is formed in the center of the impeller body, the first shaft hole is sleeved with one end of the pump shaft, the other end of the pump shaft extends into the connecting cylinder through a second shaft hole, and a driving shaft of the driving device is connected with one end of the pump shaft, which is located in the connecting cylinder.

As an improvement, the driving device is arranged as a permanent magnet motor, a second lifting handle is arranged at the top of the driving device, and two end feet of the second lifting handle are fixedly connected with the top of the driving device through bolts.

As an improvement, the side wall of the connecting cylinder body is provided with an observation window.

As an improvement, the second connecting disc is provided with a fixing hole near the edge of the disc body, the central axes of the fixed Kong Raodi two connecting discs are circumferentially arrayed, the outer side of the pump cavity port is circumferentially provided with a fixing screw hole, and the fixing hole is fixedly connected with the fixing screw hole through a screw rod.

As an improvement, a filter disc is arranged below the pump shell, and the filter disc is fixedly connected with the bottom of the pump shell through bolts.

As an improvement, two first handles are arranged on one side, close to the driving device, of the second connecting disc, and the first handles are symmetrically arranged by taking the pump shaft as an axis.

As an improvement, the side wall of the shaft body, which is positioned in the first shaft hole, of the pump shaft is provided with a key groove, a key is arranged in the key groove, and one end of the pump shaft, which passes through the first shaft hole, is in threaded connection with the fixing nut.

As an improvement, the first connecting disc is fixedly connected with one side of the driving device, which is provided with the driving shaft, through bolts.

The beneficial effects of the utility model are that

Compared with the original water pump, the hydraulic drive of the water pump is replaced by the permanent magnet motor drive, the structure of the water pump is simpler, the water pump cannot work normally due to the fault of the hydraulic system is avoided, after the structure is improved, the lift of the water pump is effectively improved, the fault rate is reduced, and the continuous operation work of the water pump is ensured.

Drawings

FIG. 1 is a schematic view of a first external configuration of a water pump;

FIG. 2 is a schematic view of a second external structure of the water pump;

FIG. 3 is a schematic diagram of the explosion state of the first component of the water pump;

FIG. 4 is a schematic diagram of the explosion state of the second part of the water pump;

FIG. 5 is a schematic cross-sectional view of a water pump;

fig. 6 is a schematic view of the pump casing structure.

As shown in the figure: 1. pump case, 101, pump chamber, 102, outlet pipe, 103, inlet opening, 104, fixed screw hole, 2, connecting cylinder, 201, first connecting disk, 202, second connecting disk, 203, first handle, 204, observation window, 205, fixed hole, 206, second shaft hole, 3, drive device, 301, drive shaft, 302, second handle, 303, electric connection, 4, filter disk, 5, pump shaft, 501, key slot, 6, impeller, 601, first shaft hole, 602, blade, 7, fixing nut.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should 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.

An electric water pump according to the present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-6, an electric water pump comprises a pump shell 1, a connecting cylinder 2 and a driving device 3, wherein a pump cavity 101 is arranged in the pump shell 1, a water inlet 103 is arranged in the center of the bottom of the pump cavity 101, an impeller 6 is arranged in the pump cavity 101, and a water outlet pipe 102 is arranged on the side wall of the shell of the pump shell 1;

a first connecting disc 201 and a second connecting disc 202 are respectively arranged at two ends of the connecting cylinder 2, the second connecting disc 202 is fixedly connected with a port of the pump cavity 101, a second shaft hole 206 is formed in the center of the second connecting disc 202, and the first connecting disc 201 is fixedly connected with one side of the driving device 3, which is provided with a driving shaft 301;

the center of the impeller 6 wheel body is provided with a first shaft hole 601, the first shaft hole 601 is sleeved with one end of the pump shaft 5, the other end of the pump shaft 5 extends into the connecting cylinder 2 from the second shaft hole 206, and the driving shaft 301 of the driving device 3 is connected with one end of the pump shaft 5, which is positioned in the connecting cylinder 2.

As a preferred implementation manner of this embodiment, the driving device 3 is configured as a permanent magnet motor, a second carrying handle 302 is installed at the top of the driving device 3, and two ends of the second carrying handle 302 are fixedly connected with the top of the driving device 3 through bolts.

As a preferred implementation of this example, the side wall of the cylinder of the connecting cylinder 2 is provided with an observation window 204.

As a preferred embodiment of this example, the second connecting disc 202 is provided with a fixing hole 205 near the edge of the disc body, the fixing hole 205 is circumferentially arrayed around the central axis of the second connecting disc 202, the outer side of the port of the pump cavity 101 is circumferentially provided with a fixing screw hole 104, and the fixing hole 205 is fixedly connected with the fixing screw hole 104 through a screw.

As a preferred embodiment of the present embodiment, a filter disc 4 is disposed below the pump casing 1, and the filter disc 4 is fixedly connected with the bottom of the pump casing 1 through bolts.

As a preferred embodiment of the present embodiment, two first handles 203 are installed on the side of the second connecting disc 202 near the driving device 3, and the first handles 203 are symmetrically disposed with the pump shaft 5 as an axis.

As a preferred implementation manner of the embodiment, a key groove 501 is formed in the side wall of the shaft body, which is located in the first shaft hole 601, of the pump shaft 5, a key is arranged in the key groove 501, and one end, penetrating through the first shaft hole 601, of the pump shaft 5 is in threaded connection with the fixing nut 7.

As a preferred embodiment of the present embodiment, the first connecting disc 201 is fixedly connected with the side of the driving device 3 provided with the driving shaft 301 through bolts.

In the concrete implementation of the utility model, the pump housing 1 is internally provided with the pump cavity 101 for placing the impeller 6, the center position of the bottom of the pump housing is provided with the water inlet 103, the lower part of the water inlet 103 is provided with the filter disc 4, one end of the pump shaft 5 in the center of the impeller 6 is fixed with the impeller 6 through the fixing nut 7, the other end of the pump shaft 5 extends upwards into the connecting cylinder 2 and is connected with the driving shaft 301 of the driving device through a flange, the driving device adopts a permanent magnet motor, the utility model has the advantages of high rotating speed and easy maintenance, the side wall of the connecting cylinder 2 is provided with the observation window 204 for observing the rotating state of the pump shaft of the water pump, the two sides of the disc body of the second connecting disc 202 are symmetrically provided with the pair of first lifting handles 203, the two ends of the first lifting handles 203 are fixed with the disc body of the second connecting disc 202 through bolts, the top of the driving device is provided with the second lifting handles 302, the first lifting handles and the second lifting handles are beneficial to daily transportation of the water pump, and the impellers in the pump housing are provided with different blade types and different numbers according to design and use requirements.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An electric water pump, characterized in that: the novel water pump comprises a pump shell (1), a connecting cylinder (2) and a driving device (3), wherein a pump cavity (101) is arranged in the pump shell (1), a water inlet hole (103) is formed in the center of the bottom of the pump cavity (101), an impeller (6) is arranged in the pump cavity (101), and a water outlet pipe (102) is arranged on the side wall of the shell of the pump shell (1);

a first connecting disc (201) and a second connecting disc (202) are respectively arranged at two ends of the connecting cylinder (2), the second connecting disc (202) is fixedly connected with a port of the pump cavity (101), a second shaft hole (206) is formed in the center of the second connecting disc (202), and the first connecting disc (201) is fixedly connected with one side of the driving device (3) provided with a driving shaft (301);

the impeller (6) wheel body center is equipped with first shaft hole (601), first shaft hole (601) cup joints with pump shaft (5) one end, the pump shaft (5) other end is stretched into inside connecting cylinder (2) by second shaft hole (206), drive arrangement (3) drive shaft (301) are located connecting cylinder (2) inside one end with pump shaft (5) and are connected.

2. An electric water pump as defined in claim 1, wherein: the driving device (3) is arranged to be a permanent magnet motor, a second lifting handle (302) is arranged at the top of the driving device (3), and two ends of the second lifting handle (302) are fixedly connected with the top of the driving device (3) through bolts.

3. An electric water pump as defined in claim 1, wherein: the side wall of the cylinder body of the connecting cylinder (2) is provided with an observation window (204).

4. An electric water pump as defined in claim 1, wherein: the second connection disc (202) is close to disc body edge department and is equipped with fixed orifices (205), fixed orifices (205) are around second connection disc (202) central axis circumference array, pump chamber (101) port outside circumference is equipped with fixed screw (104), pass through screw rod fixed connection between fixed orifices (205) and the fixed screw (104).

5. An electric water pump as defined in claim 1, wherein: a filter disc (4) is arranged below the pump shell (1), and the filter disc (4) is fixedly connected with the bottom of the pump shell (1) through bolts.

6. An electric water pump as defined in claim 1, wherein: two first handles (203) are arranged on one side, close to the driving device (3), of the second connecting disc (202), and the first handles (203) are symmetrically arranged by taking the pump shaft (5) as an axis.

7. An electric water pump as defined in claim 1, wherein: the pump shaft (5) is located in the first shaft hole (601), a key groove (501) is formed in the side wall of the shaft body, a key is arranged in the key groove (501), and the pump shaft (5) penetrates through one end of the first shaft hole (601) to be in threaded connection with the fixing nut (7).

8. An electric water pump as defined in claim 1, wherein: the first connecting disc (201) is fixedly connected with one side of the driving device (3) provided with the driving shaft (301) through bolts.