CN210686326U

CN210686326U - Submersible sewage pump with cooling function

Info

Publication number: CN210686326U
Application number: CN201920873550.2U
Authority: CN
Inventors: 陈敏; 张振; 王武
Original assignee: Nanning Kapud Pump Manufacturing Co ltd
Current assignee: Nanning Kapud Pump Manufacturing Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-06-05
Anticipated expiration: 2029-06-12

Abstract

The utility model provides a take cooling function's submersible sewage pump, which comprises a housin, the inside motor that is provided with of casing, the casing sub-unit connection has the turbine shell, the output shaft of motor runs through setting up at the inside bearing of casing the casing extends to inside the turbine shell, the output shaft bottom fixedly connected with impeller of motor, casing periphery fixedly connected with water jacket, the water jacket with the intercommunication has inlet tube and outlet pipe between the turbine shell. The utility model discloses an at the outside water jacket cooling system that has increased of casing, utilize from inhaling during the function inhales a part liquid water jacket, increase water cooling capacity, even the liquid level is less than the pump body, can not burn out the motor because the unable cooling of motor yet, safe and reliable.

Description

Submersible sewage pump with cooling function

Technical Field

The utility model relates to a dredge pump technical field particularly, relates to a take cooling function's submersible sewage pump.

Background

The submersible sewage pump is widely applied to various sewage discharge occasions and is a common pump product. The pump has the main characteristics that the motor and the pump are integrated and compact, the whole structure is compact, the size is small, a pump room does not need to be built, the whole machine can work by submerging, and the construction cost can be greatly reduced. When the common submersible sewage pump operates, the liquid level can not be lower than the pump body, and once the liquid level is lower than the pump body, the submersible motor is burnt out at high temperature due to lack of water cooling.

SUMMERY OF THE UTILITY MODEL

The defect that exists to prior art, the utility model provides a take cooling function's submersible sewage pump through having increased water jacket cooling system in the casing outside, utilizes from inhaling during the function inhales the water jacket with some liquid, increases water cooling capacity, even the liquid level is less than the pump body, can not burn out motor, safe and reliable because the unable cooling of motor yet.

In order to solve the technical problem, the utility model discloses a technical scheme is: a submersible sewage pump with a cooling function comprises a shell, wherein a motor is arranged in the shell, a turbine shell is connected to the lower portion of the shell, an output shaft of the motor penetrates through the shell through a bearing arranged in the shell and extends into the turbine shell, an impeller is fixedly connected to the bottom end of the output shaft of the motor, a water jacket is fixedly connected to the periphery of the shell, and a water inlet pipe and a water outlet pipe are communicated between the water jacket and the turbine shell;

the water inlet has been seted up to the turbine shell upper end, the inlet tube pass through lock nut with the inlet opening intercommunication, just the inlet tube with the inlet opening department of meeting is provided with the filter screen.

According to the utility model discloses a take cooling function's submersible sewage pump that embodiment provided, outlet pipe one end with the water jacket intercommunication, the other end with turbine shell export one end intercommunication.

According to the utility model discloses a take cooling function's submersible sewage pump that embodiment provided, the water jacket is the cylindrical sleeve body, the water jacket pass through the bolt with casing outer wall fastening connection, just the water jacket with be provided with the sealing ring between the casing outer wall.

According to the utility model discloses a take cooling function's submersible sewage pump that embodiment provided, casing upper portion is connected with the upper cover, the inside wiring chamber that has of upper cover, the components and parts of wiring intracavity with motor electric connection.

According to the utility model discloses a take cooling function's submersible sewage pump that embodiment provided, the output shaft of motor with the casing department of meeting is provided with mechanical seal.

The beneficial effects of the utility model include: during operation, the impeller is driven to rotate by the motor, liquid enters the water jacket from the water inlet pipe by utilizing a self-absorption principle, heat generated by the operation of the motor is taken away through heat exchange, and then the heat flows into the turbine shell from the water outlet pipe. The utility model discloses an at the outside water jacket cooling system that has increased of casing, utilize from inhaling during the function inhales a part liquid water jacket, increase water cooling capacity, even if the liquid level is less than the pump body, can not burn out the motor because the unable cooling of motor yet, simple structure, it is convenient to use, and cooling capacity is strong.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts.

Wherein:

fig. 1 schematically shows a cross-sectional view of a submersible sewage pump with a cooling function according to an embodiment of the present invention;

fig. 2 schematically shows a cross-sectional view of a submersible sewage pump with a cooling function according to another embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

reference numbers in the figures: 1-upper cover, 2-shell, 3-motor, 4-wiring cavity, 5-water jacket, 6-bearing, 7-turbine shell, 8-impeller, 9-base, 10-water inlet pipe, 11-water outlet pipe, 12-locking nut, 13-filter screen, 14-sealing ring and 15-water inlet hole.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1. The utility model provides a take cooling function's submersible sewage pump, the on-line screen storage device comprises a base 9, turbine shell 7, casing 2, upper cover 1, motor 3 and water jacket 5, base 9 plays the supporting role, be used for supporting turbine shell 7, casing 2, upper cover 1, motor 3 and water jacket 5, base 9 upper portion is connected with

turbine shell

7, 7 internally mounted of turbine shell has impeller 8, be used for stirring and discharge liquid, turbine shell 7 top is connected with

casing

2, 2 inside motors 3 that are provided with of casing, motor 3's output shaft runs through casing 2 and extends to 7 inside the turbine shell through setting up at 2 inside bearings 6 of casing, motor 3's output shaft and casing 2 department of meeting are provided with mechanical seal, play the sealing effect, prevent that liquid from getting into 2 inside the casing, cause 3 short circuits of motor, motor 3's output shaft bottom and 8 fixed connection of impeller.

Be connected with upper cover 1 on 2 upper portions of casing, upper cover 1 is inside to have wiring chamber 4, and the components and parts and the motor 3 electric connection in wiring chamber 4, this components and parts are used for conduction electric energy and control motor 3, belong to dredge pump general technique, do not do here and describe repeatedly.

The periphery of the shell 2 is welded and connected with a water jacket 5, the water jacket 5 is a cylindrical sleeve body, the inner surface and the outer surface of the water jacket 5 are coated with an anti-rust layer, a water inlet pipe 10 and a water outlet pipe 11 are communicated between the water jacket 5 and the turbine shell 7, the upper end of the turbine shell 7 is provided with a water inlet hole 15, the water inlet pipe 10 is communicated with the water inlet hole 15 through a locking nut 12, a filter screen 13 is arranged at the joint of the water inlet pipe 10 and the water inlet hole 15, and the filter screen 13 can prevent sundries from entering the water jacket 5 to cause the; when sundries in the filter screen 13 are too much, the filter screen 13 can be taken out by loosening the locking nut 12, the sundries are cleaned, and then the locking nut 12 is screwed again, so that the method is simple and convenient.

In this embodiment, one end of the water outlet pipe 11 is communicated with the water jacket 5, the other end is communicated with one end of the outlet of the turbine shell 7, and the liquid enters the water jacket 5 from the water inlet pipe 10 and then is discharged into the turbine shell 7 from the water outlet pipe 11 for continuous cooling.

As shown in fig. 2 and 3, in another embodiment of the present invention, the water jacket 5 is fastened to the outer wall of the housing 2 by bolts, and the bolts can be used to easily disassemble the water jacket 5 for cleaning when too much sludge is accumulated in the water jacket 5; a sealing ring 14 is arranged between the water jacket 5 and the outer wall of the shell 2 and used for sealing the water jacket 5.

When the water jacket works, the motor 3 drives the impeller 8 to rotate, liquid enters the water jacket 5 from the water inlet pipe 10 by utilizing a self-absorption principle, heat generated by the operation of the motor 3 is taken away through heat exchange, and then the liquid flows into the turbine shell 7 from the water outlet pipe 11. The utility model discloses simple structure, it is convenient to use, and cooling capacity is strong, even the liquid level is less than the pump body, can not burn out motor 3, safe and reliable because of the unable cooling of motor 3 yet.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The submersible sewage pump with the cooling function is characterized by comprising a shell (2), wherein a motor (3) is arranged inside the shell (2), a turbine shell (7) is connected to the lower portion of the shell (2), an output shaft of the motor (3) penetrates through the shell (2) through a bearing (6) arranged inside the shell (2) and extends into the turbine shell (7), an impeller (8) is fixedly connected to the bottom end of the output shaft of the motor (3), a water jacket (5) is fixedly connected to the periphery of the shell (2), and a water inlet pipe (10) and a water outlet pipe (11) are communicated between the water jacket (5) and the turbine shell (7);

the water inlet hole (15) has been seted up to turbine shell (7) upper end, inlet tube (10) through lock nut (12) with inlet hole (15) intercommunication, just inlet tube (10) with inlet hole (15) department of meeting is provided with filter screen (13).

2. The submersible sewage pump with cooling function as claimed in claim 1, wherein the water outlet pipe (11) is in communication with the water jacket (5) at one end and the turbine housing (7) at the outlet end at the other end.

3. The submersible sewage pump with the cooling function according to claim 1, wherein the water jacket (5) is a cylindrical sleeve body, the water jacket (5) is fixedly connected with the outer wall of the housing (2) through bolts, and a sealing ring (14) is arranged between the water jacket (5) and the outer wall of the housing (2).

4. The submersible sewage pump with the cooling function according to claim 1, wherein an upper cover (1) is connected to the upper portion of the housing (2), a wiring cavity (4) is formed in the upper cover (1), and components in the wiring cavity (4) are electrically connected with the motor (3).

5. Submersible sewage pump with cooling function according to claim 1, characterized in that a mechanical seal is provided where the output shaft of the motor (3) meets the housing (2).