CN219472362U

CN219472362U - Rainwater pump

Info

Publication number: CN219472362U
Application number: CN202320839820.4U
Authority: CN
Inventors: 邱小明; 金彩虹; 邱枫
Original assignee: Ningbo Fengsheng Electromechanical Co ltd
Current assignee: Ningbo Fengsheng Electromechanical Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-04
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to a rainwater pump, including casing and the motor of setting inside the casing, the casing includes front end housing, barrel, rear end housing and drain pan, motor upper portion is provided with the motor cover, and the motor cover card is established between front end housing and the barrel, the lower part card of motor is established in the barrel, is connected through the rear end cap between barrel and the drain pan, and the output of motor passes barrel and rear end housing and is connected with the impeller, and the impeller is located the drain pan, is provided with water inlet and delivery port on the drain pan, is connected with the outlet pipe on the delivery port. The application divide into front end housing, barrel, rear end housing and drain pan with the casing, the process of installation motor is the process that each part of casing interconnect promptly during the equipment, installation and convenient to use and waterproof performance are good.

Description

Rainwater pump

Technical Field

The application relates to the technical field of water pumps, in particular to a rainwater pump.

Background

In recent years, along with the increase of extreme weather such as heavy rain and the expansion of urban population, in order to avoid large water diffusion and relieve the pressure of municipal sewage treatment, a rainwater pump is required to be arranged on a municipal pipe network, and the rainwater pump is a self-priming submersible pump and is opened in heavy rain weather to discharge accumulated water in the city.

The structure of the rainwater pump mainly comprises a pump shell and a motor which is sealed and fixed in the pump shell, because the pump sometimes needs to operate underwater, in order to avoid water inflow of the motor, waterproof seals are usually arranged at the joint of the pump shell and the installation position of the motor, and the common waterproof sealing mode is mechanical seals or sealing rings and sealing gaskets, so that the pump is excessively complicated to install and the assembly production efficiency of the pump is influenced; in addition, the waterproof effect of part of the pumps in the prior art is not ideal, and water inflow in the pumps can still be caused after long-term use.

Disclosure of Invention

The utility model provides a rainwater pump that installation and convenient to use and waterproof performance are good.

The application provides a rainwater pump adopts following technical scheme:

the utility model provides a rainwater pump, includes the casing and sets up the motor inside the casing, the casing includes front end housing, barrel, rear end cap and drain pan, motor upper portion is provided with the motor cover, and the motor cover card is established between front end housing and the barrel, the lower part card of motor is established in the barrel, is connected through the rear end cap between barrel and the drain pan, and the output of motor passes barrel and rear end cap and is connected with the impeller, and the impeller is located the drain pan, is provided with water inlet and delivery port on the drain pan, is connected with the outlet pipe on the delivery port.

Preferably, the front end cover and the inner side edge of the cylinder are both provided with annular grooves, and the outer side of the motor cover is clamped between the front end cover and the annular grooves of the cylinder.

Preferably, a groove is arranged at the joint of the front end cover and the cylinder body, a sealing gasket is arranged in the groove, and the sealing gasket is positioned at the outer side of the annular groove.

Preferably, a mechanical seal fixing part is arranged in the middle of the bottom surface of the cylinder body, the mechanical seal fixing part is of a hollow cylinder structure and is internally provided with a plurality of steps, and a mechanical seal is arranged in the mechanical seal fixing part in a clamping manner.

Preferably, the motor cover is provided with a groove for clamping the motor, the output end of the motor is provided with a bearing, one side of the bearing is clamped on the upper part of the mechanical seal fixing part, and the other side of the bearing is clamped on the output shaft of the motor through a clamp spring.

Preferably, one side of the mechanical seal is clamped at the lower part of the mechanical seal fixing part, and the other side of the mechanical seal is clamped on an output shaft of the motor through a clamp spring.

Preferably, the rear end cover is of a circular plate-shaped structure, two rows of through holes are circumferentially distributed on different diameters of the rear end cover and are respectively connected with the cylinder body and the bottom shell through the through holes, annular protrusions are arranged on the rear end cover and connected with the outer side of the cylinder body, and the annular protrusions are located between the two rows of through holes.

Preferably, the middle part of the rear end cover is connected with the mechanical seal fixing part, and a waterproof gasket is arranged at the connecting part.

Preferably, the front end cover is connected with the cylinder body, the cylinder body is connected with the rear end cover through bolts, and the rear end cover is connected with the bottom shell through bolts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the shell is divided into the front end cover, the cylinder body, the rear end cover and the bottom shell, so that the installation is convenient; the motor cover is arranged in the shell, so that the motor is convenient to install and fix, and meanwhile, the motor cover is clamped between the front end cover and the cylinder body, so that the motor cover is convenient to install, can seal the joint and has good waterproof performance; the cylinder body is connected with the bottom shell through the rear end cover, the motor output end positioned in the cylinder body passes through the rear end cover, the upper part of the motor can be fixed in the cylinder body when the motor is installed, then the cylinder body and the front end cover are connected, the motor cover is fixed, the impeller is installed, the cylinder body and the rear end cover are connected, and finally the rear end cover and the bottom shell are connected, so that the motor is installed, the shell is connected, and the whole pump body is convenient to assemble and install;

2. the motor cover is fixed by arranging the annular grooves on the front end cover and the cylinder body, so that the motor is mounted and fixed, a certain sealing effect can be achieved on the joint of the front end cover and the cylinder body, and the sealing gasket is arranged on the outer side of the annular grooves, so that the sealing effect is ensured, and water inflow of the motor is avoided;

3. the mechanical seal fixing part is arranged in the shell, a plurality of steps are arranged in the mechanical seal fixing part, and the mechanical seal is arranged through the step clamp, so that the mechanical seal can effectively prevent water from entering the motor; one side of the mechanical seal is clamped with the mechanical seal fixing part, and the other side of the mechanical seal is clamped on the motor output shaft through a clamp spring, so that the installation is convenient;

4. two rows of through holes are formed in the positions of the rear end cover with different diameters, so that the cylinder body and the bottom shell are conveniently connected; the annular bulge arranged on the rear end cover is connected with the outer side of the cylinder body, so that the positioning is convenient during installation, and meanwhile, the primary sealing effect on the mechanical seal in the cylinder body can be achieved; the rear end cover is connected with the mechanical seal fixing part, and the connecting part is provided with a waterproof gasket, so that water inflow at the mechanical seal part is avoided, and the sealing effect is ensured.

Drawings

FIG. 1 is a cross-sectional view of a rain pump;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

fig. 4 is a schematic structural view of the motor cover;

FIG. 5 is a schematic structural view of the cartridge;

fig. 6 is a schematic structural view of the rear cover.

Reference numerals illustrate: 1. a housing; 101. a front end cover; 102. a cylinder; 103. a rear end cover; 104. a bottom case; 2. a motor; 3. a motor cover; 4. an impeller; 5. a water inlet; 6. a water outlet; 7. a sealing gasket; 8. a mechanical seal fixing part; 9. mechanical sealing; 10. a bearing; 11. and a waterproof gasket.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a rainwater pump.

Referring to fig. 1 to 3, a rainwater pump comprises a housing 1 and a motor 2 arranged in the housing, wherein the housing 1 comprises a front end cover 101, a cylinder 102, a rear end cover 103 and a bottom shell 104, a motor cover 3 is arranged at the upper part of the motor 2, the motor cover 3 is clamped between the front end cover 101 and the cylinder 102, particularly, annular grooves are formed in the inner side edges of the front end cover 101 and the cylinder 102, the outer side of the motor cover 3 is clamped between the front end cover 101 and the annular grooves of the cylinder 102, a sealing gasket 7 is arranged on the outer side of the annular grooves, particularly, a groove is formed in the outer side of the cylinder 102 opposite to the winning annular groove, and the sealing gasket is positioned in the groove; the lower part of the motor 2 is clamped in the cylinder 102, the cylinder 102 is connected with the bottom shell 104 through the rear end cover 103, and specifically, the front end cover 101 is connected with the cylinder 102, the cylinder 102 is connected with the rear end cover 103, and the rear end cover 103 is connected with the bottom shell 104 through bolts; the output end of the motor 2 passes through the cylinder 102 and the rear end cover 103 and is connected with an impeller 4, the impeller 4 is positioned in a bottom shell 104, a water inlet 5 and a water outlet 6 are arranged on the bottom shell 104, and a water outlet pipe is connected to the water outlet 6;

referring to fig. 1, 2 and 4, a groove for clamping the motor 2 is formed in the motor cover 3, a bearing 10 is arranged on the output end of the motor 2, one side of the bearing 10 is clamped on the upper part of the mechanical seal fixing part 8, and the other side of the bearing 10 is clamped on the output shaft of the motor 2 through a clamp spring; specifically, the inner side of the motor cover 3 in the embodiment is provided with an annular bulge, the diameter of the annular bulge is equal to the inner diameter of the cylinder 102, and the motor cover is clamped and fixed during installation, so that the installation is convenient;

referring to fig. 1, 3 and 5, a mechanical seal fixing part 8 is arranged in the middle of the bottom surface of a cylinder 102, the mechanical seal fixing part 8 is of a hollow cylinder structure and is internally provided with a plurality of steps, a mechanical seal 9 is clamped in the mechanical seal fixing part 8, one side of the mechanical seal 9 is clamped at the lower part of the mechanical seal fixing part 8, and the other side of the mechanical seal 9 is clamped on an output shaft of the motor 2 through a clamp spring;

referring to fig. 1, 3 and 6, the rear end cover 103 is of a circular plate structure, two rows of through holes are circumferentially distributed on different diameters of the rear end cover 103 and are respectively connected with the cylinder 102 and the bottom shell 104 through the through holes, an annular bulge is arranged on the rear end cover 103 and is connected with the outer side of the cylinder 102, the annular bulge is arranged between the two rows of through holes, the middle part of the rear end cover 103 is connected with the mechanical seal fixing part 8 and the connecting part is provided with the waterproof gasket 11, specifically, the rear end cover 103 is connected with the cylinder 102 through an inner row of through holes and is connected with the bottom shell 104 through an outer row of through holes, the rear end cover 103 and the cylinder 102 can be connected and then the impeller 4 is mounted when the rear end cover 103 is mounted, and finally the bottom shell 104 is aligned and mounted on the rear end cover 103, so that the mounting is convenient.

The implementation principle is as follows: the shell 1 is divided into the front end cover 101, the cylinder 102, the rear end cover 103 and the bottom shell 104, so that the motor is conveniently and separately installed, meanwhile, the motor cover 3 is arranged in the shell 1, the mechanical seal fixing part 8 is arranged in the cylinder 102, and the rear end cover 103 connected with the cylinder 102 and the bottom shell 104 is combined, so that the shell 1 can be connected while the motor 2 is installed, the installation and the fixation are convenient, and meanwhile, the later inspection and maintenance are convenient;

during installation, the upper part of the motor 2 is fixed in the cylinder 102, the lower part of the motor 2 is fixed above the mechanical seal installation part 8 of the cylinder 102 through the bearing 10, specifically, the bearing 10 in the embodiment is clamped on the output shaft of the motor 2 through a clamp spring, and the other end of the motor 2 is also clamped in a groove on the motor cover 3 through the bearing 10; then connecting the cylinder 102 and the front end cover 101, clamping the edge of the motor cover 3 between the front end cover 101 and the cylinder 102 for fixing, and arranging a sealing gasket 7 outside the connecting part before installation; and then, the mechanical seal 9 is arranged in the mechanical seal mounting 8 part and is fixed through a clamp spring, the impeller 4 is mounted on the output shaft of the motor 2 and is connected with the cylinder 102 and the rear end cover 103, and finally, the rear end cover 103 and the bottom shell 104 are connected, so that the motor 2 is mounted and the shell 1 is connected, and the motor is simple in integral structure, convenient to mount and use and good in waterproof performance.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rainwater pump, includes casing (1) and sets up motor (2) inside the casing, its characterized in that: the shell (1) comprises a front end cover (101), a barrel (102), a rear end cover (103) and a bottom shell (104), wherein a motor cover (3) is arranged on the upper portion of the motor (2), the motor cover (3) is clamped between the front end cover (101) and the barrel (102), the lower portion of the motor (2) is clamped in the barrel (102), the barrel (102) is connected with the bottom shell (104) through the rear end cover (103), the output end of the motor (2) penetrates through the barrel (102) and the rear end cover (103) and is connected with an impeller (4), the impeller (4) is positioned in the bottom shell (104), a water inlet (5) and a water outlet (6) are arranged on the bottom shell (104), and a water outlet pipe is connected to the water outlet (6).

2. A rainwater pump according to claim 1, wherein: the motor cover is characterized in that annular grooves are formed in the inner edges of the front end cover (101) and the barrel (102), and the outer side of the motor cover (3) is clamped between the annular grooves of the front end cover (101) and the barrel (102).

3. A rainwater pump according to claim 2, wherein: the front end cover (101) is provided with a groove at the joint of the cylinder body (102), a sealing gasket (7) is arranged in the groove, and the sealing gasket (7) is positioned at the outer side of the annular groove.

4. A rainwater pump according to claim 1, wherein: the middle part of the bottom surface of the cylinder body (102) is provided with a mechanical seal fixing part (8), the mechanical seal fixing part (8) is of a hollow cylinder structure and is internally provided with a plurality of steps, and the mechanical seal fixing part (8) is internally clamped with a mechanical seal (9).

5. A rainwater pump according to claim 4, wherein: the motor cover (3) is provided with a groove for clamping the motor (2), the output end of the motor (2) is provided with a bearing (10), one side of the bearing (10) is clamped on the upper portion of the mechanical seal fixing portion (8), and the other side of the bearing (10) is clamped on the output shaft of the motor (2) through a clamp spring.

6. A rainwater pump according to claim 4, wherein: one side of the mechanical seal (9) is clamped at the lower part of the mechanical seal fixing part (8), and the other side of the mechanical seal (9) is clamped on the output shaft of the motor (2) through a clamp spring.

7. A rainwater pump according to claim 4, wherein: the rear end cover (103) is of a circular plate-shaped structure, two rows of through holes are circumferentially distributed on different diameters of the rear end cover (103) and are respectively connected with the cylinder body (102) and the bottom shell (104) through the through holes, annular protrusions are arranged on the rear end cover (103) and connected with the outer side of the cylinder body (102), and the annular protrusions are located between the two rows of through holes.

8. A rainwater pump according to claim 7, wherein: the middle part of the rear end cover (103) is connected with the mechanical seal fixing part (8), and a waterproof gasket (11) is arranged at the joint.

9. A rainwater pump according to claim 1, wherein: the front end cover (101) is connected with the cylinder body (102), the cylinder body (102) is connected with the rear end cover (103) through bolts, and the rear end cover (103) is connected with the bottom shell (104) through bolts.