CN218934756U

CN218934756U - Special pump for external sewage lifter

Info

Publication number: CN218934756U
Application number: CN202223547481.7U
Authority: CN
Inventors: 魏超; 戴吉隆; 李璐璐; 戴祥鼎; 王伟
Original assignee: Haicheng Suprasuny Pump Co ltd
Current assignee: Haicheng Suprasuny Pump Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-28
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a special pump for an external sewage lifter, which relates to the technical field of sewage treatment and comprises a box body; the utility model discloses a sewage pump, including the casing, the casing is connected with the sewage pump through the apron dismantlement, the sewage pump includes the lower pump body, lower pump body fixed mounting in the apron lower surface, the lower pump body hang in the casing, install the motor on the apron, the water inlet has all been seted up to casing upper surface and side, the delivery port has been seted up to the casing upper surface, has solved the technical problem that current device is inconvenient for the maintenance.

Description

Special pump for external sewage lifter

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a special pump for an external sewage lifter.

Background

With the rise of national economic level, people's life is improved day by day, and many families have independent villas of their own, and many villa basements have toilets or swimming pools. The facilities are often positioned at one layer or two layers below the ground, and cannot be directly discharged to a municipal unified drainage pipeline through the gravity factor; thus, the sewage lifting device is a device integrating the sewage pump and the water storage tank. The water discharged by the toilet water or the kitchen water can be collected into the box body through the pipeline, the floating ball is arranged in the box body, and when the water level reaches the water level capable of enabling the floating ball to act. The sewage pump on the sewage lifting device starts to work to lift the sewage in the box body to the position above the ground through the water outlet on the sewage lifting device, and the sewage is discharged into the municipal pipeline, so that the sewage lifting effect is realized.

In the utility model patent with the publication number of CN205663023U, a box is disclosed, the box comprises a water collecting cavity and a water outlet pipe, the box is provided with a water inlet end communicated with the water collecting cavity, a motor and a lifting pump are positioned in the box, the lifting pump comprises a water inlet and a water outlet, the water inlet is communicated with the water collecting cavity, the water outlet is communicated with the water outlet pipe, a circuit board is fixedly connected to the box, a controller is arranged on the circuit board, a pressure switch capable of sensing the liquid level of the water collecting cavity is arranged on the box, the pressure switch is connected with the controller, and the controller receives signals sent by the pressure switch and controls the motor to continue to run for a set time.

However, the lift pump of the device is arranged inside the box body, so that the operation is very inconvenient when the water pump needs to be subjected to daily maintenance and overhaul, and the maintenance cost and time of equipment are increased.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the special pump for the external sewage lifter, which solves the technical problem that the prior device is inconvenient to maintain.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: an external pump special for a sewage lifter comprises a box body; the sewage pump is connected to the tank body through the cover plate disassembly, the sewage pump comprises a lower pump body, the lower pump body is fixedly installed on the lower surface of the cover plate, the lower pump body is suspended in the tank body, a motor is installed on the cover plate, water inlets are formed in the upper surface and the side face of the tank body, and a water outlet is formed in the upper surface of the tank body.

Preferably, an oil chamber cavity is formed in the lower pump body, a mechanical seal is arranged on a rotating shaft in the oil chamber cavity, and mechanical seal pressing plates are arranged at the upper end and the lower end of the mechanical seal.

Preferably, a rotating shaft is fixedly arranged at the driving end of the motor, the rotating shaft is rotatably arranged in the lower pump body, and an impeller is fixedly arranged at the bottom of the rotating shaft.

Preferably, a framework oil seal is arranged between the lower pump body and the impeller.

Preferably, an outlet box is detachably mounted on the box body close to one side of the motor, and an outlet of the outlet box is a conical hole with a narrow upper part and a wide lower part.

Advantageous effects

The utility model provides a special pump for an external sewage lifter, which has the following beneficial effects:

1. the sewage flowing into the box body can be lifted by the sewage pump and discharged from the water outlet, and the sewage pump is arranged on the box body, so that the maintenance of the sewage pump is facilitated, and the difficulty and time for repairing the sewage pump are greatly reduced;

2. through being equipped with the space that the grease chamber can provide lubricating oil for mechanical seal, can prevent effectively that fluid from permeating in the motor and can prevent that fluid from oozing the sewage pump through being equipped with mechanical seal clamp plate, can play further sealed effect through being equipped with mechanical seal clamp plate.

Drawings

FIG. 1 is a schematic diagram of the front internal structure of the present utility model;

FIG. 2 is a schematic view of the external structure of the present utility model;

fig. 3 is a schematic view of the internal structure of the sewage pump according to the present utility model.

In the figure: 1. a sewage pump; 2. a case; 3. a motor; 4. mechanical sealing; 5. an oil chamber; 6. an impeller; 7. a framework oil seal; 8. an outlet box; 9. a water inlet; 10. a water outlet; 11. a cover plate; 12. a mechanical seal pressing plate; 13. a rotating shaft; 14. and a lower pump body.

Detailed Description

The technical solutions in 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.

Referring to fig. 1-3, the present utility model provides a technical solution: an external pump special for a sewage lifter comprises a box body 2; the sewage pump 1 is detachably connected to the tank body 2 through the cover plate 11, the sewage pump 1 comprises a lower pump body 14, the lower pump body 14 is fixedly arranged on the lower surface of the cover plate 11, the lower pump body 14 is suspended in the tank body 2, the cover plate 11 is provided with the motor 3, the upper surface and the side surface of the tank body 2 are provided with the water inlets 9, and the upper surface of the tank body 2 is provided with the water outlets 10.

In this embodiment, sewage flows into the tank 2 through the water inlet 9, the sewage pump 1 can be driven by the motor 3, the sewage flowing into the tank 2 can be lifted by the sewage pump 1 and discharged from the water outlet 10, the volume of the tank 2 can be effectively reduced by arranging the sewage pump 1 on the tank 2, and the maintenance of the sewage pump 1 is facilitated.

As an embodiment of the utility model, an oil chamber 5 is arranged in a lower pump body 14, a mechanical seal 4 is arranged on a rotating shaft 13 positioned in the oil chamber 5, and mechanical seal pressing plates 12 are arranged at the upper end and the lower end of the mechanical seal 4.

In the present embodiment, the space for providing the lubricant to the mechanical seal 4 is provided by the oil chamber 5, the penetration of the lubricant into the motor 3 is effectively prevented by the mechanical seal 4 and the exudation of the lubricant out of the sewage pump 1 is prevented by the mechanical seal pressure plate 12, and further sealing is performed by the mechanical seal pressure plate 12.

As an embodiment of the utility model, a rotating shaft 13 is fixedly arranged at the driving end of the motor 3, the rotating shaft 13 is rotatably arranged in a lower pump body 14, and an impeller 6 is fixedly arranged at the bottom of the rotating shaft 13.

In this embodiment, the motor 3 can drive the rotating shaft 13 to rotate and drive the impeller 6 to rotate, so as to drive the sewage in the tank 2 to rotate, and further, the sewage is lifted to the water outlet 10 under the action of centrifugal force and discharged out of the tank 2.

As an embodiment of the present utility model, a skeleton oil seal 7 is provided between the lower pump body 14 and the impeller 6.

In the embodiment, the framework oil seal 7 can prevent sewage in the box body 2 from entering the oil chamber cavity 5, so that an effective sealing protection effect is achieved.

As an embodiment of the utility model, the box body 2 near one side of the motor 3 is detachably provided with the outlet box 8, and the outlet of the outlet box 8 is a conical hole with a narrow upper part and a wide lower part.

In this embodiment, the wire can be protected by the outlet box 8, and the outlet is formed into a tapered hole with a narrow upper part and a wide lower part, so that the plug can be tightly matched with the outlet, thereby realizing the waterproof effect.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

The working principle and the using flow of the utility model are as follows: when in use, sewage enters the box body 2 through the water inlet 9, the motor 3 is started to enable the rotating shaft 13 to rotate, so that the impeller 6 is rotated, the sewage in the box body 2 is driven to rotate, the sewage is lifted to the water outlet 10 under the action of centrifugal force formed in the rotation process, the box body 2 is discharged through the water outlet 10, the sewage is lifted, and when the sewage pump 1 needs to be maintained, only the sewage pump 1 needs to be disassembled for maintenance, so that the maintenance cost and the difficulty are greatly reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The special pump for the external sewage lifter is characterized by comprising a box body (2); the sewage pump is characterized in that the sewage pump (1) is connected to the box body (2) through the cover plate (11) in a disassembling mode, the sewage pump (1) comprises a lower pump body (14), the lower pump body (14) is fixedly installed on the lower surface of the cover plate (11), the lower pump body (14) is suspended in the box body (2), the motor (3) is installed on the cover plate (11), the water inlet (9) is formed in the upper surface and the side face of the box body (2), and the water outlet (10) is formed in the upper surface of the box body (2).

2. The pump special for the external sewage lifter according to claim 1, wherein an oil chamber (5) is formed in the lower pump body (14), a mechanical seal (4) is arranged on a rotating shaft (13) positioned in the oil chamber (5), and mechanical seal pressing plates (12) are arranged at the upper end and the lower end of the mechanical seal (4).

3. The pump special for the external sewage lifter according to claim 1, wherein a rotating shaft (13) is fixedly arranged at the driving end of the motor (3), the rotating shaft (13) is rotatably arranged in the lower pump body (14), and an impeller (6) is fixedly arranged at the bottom of the rotating shaft (13).

4. The pump special for the external sewage lifter according to claim 3, wherein a framework oil seal (7) is arranged between the lower pump body (14) and the impeller (6).

5. The pump special for the external sewage lifter according to claim 1, wherein an outlet box (8) is detachably arranged on the box body (2) close to one side of the motor (3), and an outlet of the outlet box (8) is a conical hole with a narrow upper part and a wide lower part.