CN218920147U

CN218920147U - Self-flushing chemical pump motor

Info

Publication number: CN218920147U
Application number: CN202223079426.XU
Authority: CN
Inventors: 杨明平; 袁国兵; 林振维
Original assignee: Guangzhou Micromotor Co ltd
Current assignee: Guangzhou Micromotor Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-25
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a self-flushing chemical pump motor, which belongs to the technical field of chemical pump motors and comprises a motor shaft, a rotor and a stator, wherein the rotor is arranged on the outer side of the motor shaft, the stator is arranged on the outer side of the rotor, a front cover and a rear cover which are sleeved on the motor shaft are respectively arranged on two sides of the stator and the rotor, a shell is further arranged between the front cover and the rear cover and positioned on the outer side of the stator, a fan cover connected with the shell is arranged on the outer side of the rear cover, fan blades arranged at the end part of the motor shaft are arranged in the fan cover, the surface of the shell is smooth, a transversely-through air duct is arranged in the shell, one end of the air duct is connected with the inner part of the fan cover, and the other end of the air duct is communicated with the outer side of the shell. This from washing chemical pump motor adopts the casing that has the wind channel structure, and the wind channel structure of casing realizes the heat dissipation, and the excircle surface of casing is smooth is difficult to deposit the dust foreign matter, and then has avoided the corruption of casing surface attached dust to the casing as far as possible.

Description

Self-flushing chemical pump motor

Technical Field

The utility model belongs to the technical field of chemical pump motors, and particularly relates to a self-flushing chemical pump motor.

Background

The chemical pump is one of the indispensable equipment in chemical production, in the chemical pump, the motor is the power supply, the material selection of the chemical pump is very important all the time, the corrosion is one of the most headache hazards of chemical equipment, and the serious damage of the equipment causes accidents and even causes disasters if the equipment is slightly carelessly light. About 60% of damages to the related statistical chemical equipment are caused by corrosion, and the technologies commonly adopted in the industry at present are sealing, material selection, surface coating of an anticorrosive coating and the like, and the traditional methods and the traditional technologies lighten the corrosion of the surface of a chemical pump motor to a certain extent, but have complex technology and high cost.

At present, the motors of chemical pumps are commonly alternating current induction motors, shell structures are all external radiating pinna structures, and because of special structures of pinna, a protective layer on the surface is extremely easy to crack under the action of cold and hot temperature difference, so that corrosive liquid permeates into a shell body to cause corrosion, meanwhile, the surface structures of the pinna are complex, dust and foreign matters are extremely easy to deposit, and the deposited dust and foreign matters are attached to the surface of the shell for a long time, so that corrosion to the shell can be increased, and the overall corrosion resistance effect is poor.

Disclosure of Invention

The utility model aims to provide a self-flushing chemical pump motor, which solves the problems that the surface structure of the traditional pinna proposed in the background art is complex, dust and foreign matters are easy to deposit, and the deposited dust and foreign matters are attached to the surface of a shell for a long time, so that the corrosion to the shell is increased, and the overall corrosion resistance effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a from washing chemical pump motor, includes motor shaft, rotor and stator, the rotor is installed in the outside of motor shaft, the stator is installed in the outside of rotor, and the both sides of stator and rotor are provided with respectively and overlap front cover and back lid on the motor shaft between front cover and the back lid and be located the outside of stator still be equipped with the casing, the outside of back lid is equipped with the fan housing that is connected with the casing, and be equipped with the fan blade of installing in the motor shaft tip in the fan housing, the surface of casing is smooth, and the inside of casing is equipped with the wind channel that transversely link up, the inside ventilation hood is even connected to the one end of wind channel, and the other end in wind channel communicates the casing outside.

Preferably, the air duct is arranged in the shell in a ring-shaped array and is provided with a plurality of groups, and the transverse section of the air duct is arc-shaped.

Preferably, one end of the fan cover is covered at the end part of the shell, and the fan cover is fixedly connected with the shell through screws.

Preferably, the front cover is far away from the outer side of one end of the shell and fixedly sleeved with a water collecting disc, the water collecting disc is arranged towards the shell in an open mode, and the air port of the air channel is vertically corresponding to the inside of the water collecting disc.

Preferably, bearings are arranged between the front cover and the motor shaft, and skeleton oil seals are filled in one end of the front cover, which is opposite to the bearings, and one end of the rear cover, which is opposite to the bearings.

Preferably, one end of the fan cover, which is back to the machine shell, is in a shape of a circular table, the side surface of the circular table is provided with a grid-like structure, and the grid-like structure is arranged towards the fan blade.

Preferably, a water outlet pipe communicated with the inside of the water collecting disc is arranged at the end part of the outer side surface of the water collecting disc.

The utility model has the technical effects and advantages that: this from washing chemical pump motor, compare in current chemical pump motor, adopt the casing that has the wind channel structure, the wind channel structure of casing realizes the heat dissipation, the smooth setting in surface of casing, thereby make the excircle surface smooth be difficult to deposit dust foreign matter, and then avoided the corruption of casing surface attached dust to the casing as far as possible, through setting up ventilation and heat dissipation inside the casing, and by fan blade and fan housing, realize the periodic flushing by the fan housing to the wind channel, can also be further prevent that the corrosive substance from attaching the casing surface for a long time, finally through the water injection of fan housing air intake, under the rotatory centrifugal force effect that produces of fan blade, washing dynamics reinforcing, guaranteed abluent effect, the washing water flows the water catch bowl under the protecgulum along the casing passageway, through outlet pipe centralized processing, avoid ponding.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is a cross-sectional view of the present utility model;

FIG. 5 is a schematic diagram of a housing structure according to the present utility model;

fig. 6 is a top view of the housing of the present utility model.

In the figure: 1. a motor shaft; 2. a framework oil seal; 3. a bearing; 4. a front cover; 5. a water collecting tray; 6. a housing; 7. a stator; 8. a rotor; 9. an air duct; 10. a rear cover; 11. a fan blade; 12. a fan housing; 13. and a water outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to a self-flushing chemical pump motor as shown in fig. 1-4, including motor shaft 1, rotor 8 and stator 7, rotor 8 installs in the outside of motor shaft 1, stator 7 installs in the outside of rotor 8, and be provided with front cover 4 and back lid 10 of cover on motor shaft 1 respectively in the both sides of stator 7 and rotor 8, front cover 4 and back lid 10 all adopt 150 cast iron material, in order to improve corrosion resisting effect, the stator adopts enameled wire, insulating material and silicon steel sheet simultaneously, between front cover 4 and the back lid 10 and be located the outside of stator 7 still be equipped with casing 6, all fix through the screw between casing 6 and front cover 4 and the back lid 10, the outside of back lid 10 is equipped with the fan housing 12 that is connected with casing 6, and be equipped with in the fan blade 11 of installing in motor shaft 1 tip in the fan housing 12, can be rotated by motor shaft 1 and drive fan blade 11's rotation, can be to the inside the motor, the surface smoothness of casing 6, be difficult to deposit the dust foreign matter, the inside of casing 6 is equipped with the wind channel 9 that transversely link to the inside, the one end of wind channel 9, the inside of wind channel 9 links casing 6, the other end intercommunication casing 6, the outside of wind channel 6, the motor 6 is cooled by wind channel 9.

One end of the fan housing 12 is covered at the end part of the shell 6, the fan housing 12 is fixedly connected with the shell 6 through screws, the coaxial connection of the fan housing 12 and the shell 6 is realized, and the air duct 9 is covered inside the fan housing 12. The fan housing 12 is round platform form in the one end of casing 6 dorsad, and the side of round platform form sets up to leak the net form structure, and this leaks net form structure and sets up towards fan blade 11 to can make things convenient for the fan blade 11 to intake air when rotatory to and when adding water from leaking net form part, can drive water centrifugal motion by fan blade 11, wash in the casing 6 and the fan housing 12.

The front cover 4 is kept away from the fixed water collecting tray 5 that has cup jointed in the one end outside of casing 6, and water collecting tray 5 is used for holding the waste water of taking out when washing, and water collecting tray 5 is opened towards casing 6 and is set up, and the wind gap of wind channel 9 vertically corresponds in water collecting tray 5, can make the waste water that wind channel 9 flows out enter into in water collecting tray 5, and water collecting tray 5 adopts PTFE-polytetrafluoroethylene material.

Bearing 3 is all installed between protecgulum 4 and back lid 10 and the motor shaft 1 to guarantee the rotation of motor shaft 1, and the skeleton oil blanket 2 has all been filled with to the one end that the protecgulum 4 was kept away from bearing 3 and the one end that back lid 10 was kept away from bearing 3, is used for strengthening the sealed effect of protecgulum 4 and back lid 10 and motor shaft 1, and skeleton oil blanket 2 adopts carbon steel, fluororubber material simultaneously.

The end part of the outer side surface of the water collecting disc 5 is provided with a water outlet pipe 13 communicated with the inside of the water collecting disc 5 and used for guiding out the wastewater in the water collecting disc 5.

Referring to fig. 4-5, the air channels 9 are arranged in a ring array in the casing 6, and the transverse section of the air channels 9 is arc-shaped to realize ventilation and heat dissipation in the casing 6.

The working principle is that the self-flushing chemical pump motor is characterized in that when the motor works, heat generated in the machine shell 6 flows out from the machine shell 6 to the air duct 9, fins are not required to be installed on the surface of the machine shell 6 for heat dissipation, meanwhile, after the motor works, water is added into the motor from a grid-shaped structure of the fan housing 12, the motor shaft 1 rotates to drive the fan blade 11 to rotate, the added water is rotated to accelerate, the machine shell 6 and the fan housing 12 are cleaned, after the cleaning is completed, waste water flows from the air duct 9 to the water collecting disc 5, finally, water leaks from the water outlet pipe 13 of the water collecting disc 5, and the daily motor flushing is completed.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a from washing chemical pump motor, includes motor shaft (1), rotor (8) and stator (7), its characterized in that: the motor is characterized in that the rotor (8) is arranged on the outer side of the motor shaft (1), the stator (7) is arranged on the outer side of the rotor (8), the front cover (4) and the rear cover (10) which are sleeved on the motor shaft (1) are respectively arranged on the two sides of the stator (7) and the rotor (8), the shell (6) is further arranged between the front cover (4) and the rear cover (10) and is positioned on the outer side of the stator (7), the fan housing (12) connected with the shell (6) is arranged on the outer side of the rear cover (10), fan blades (11) arranged at the end part of the motor shaft (1) are arranged in the fan housing (12), the surface of the shell (6) is smooth, a transversely-through air duct (9) is arranged in the shell (6), one end of the air duct (9) is connected with the inside the fan housing (12), and the other end of the air duct (9) is communicated with the outer side of the shell (6).

2. A self-flushing chemical pump motor as recited in claim 1 wherein: the air duct (9) is provided with a plurality of groups in an annular array in the shell (6), and the transverse section of the air duct (9) is arc-shaped.

3. A self-flushing chemical pump motor as recited in claim 1 wherein: one end of the fan housing (12) is covered at the end part of the machine shell (6), and the fan housing (12) is fixedly connected with the machine shell (6) through screws.

4. A self-flushing chemical pump motor as recited in claim 1 wherein: the front cover (4) is far away from the outer side of one end of the casing (6) and fixedly sleeved with the water collecting disc (5), the water collecting disc (5) is arranged in an opening way towards the casing (6), and a wind port of the air duct (9) is vertically corresponding to the inside of the water collecting disc (5).

5. A self-flushing chemical pump motor as recited in claim 1 wherein: bearing (3) are installed between the front cover (4) and the rear cover (10) and the motor shaft (1), and skeleton oil seals (2) are filled in one end of the front cover (4) back to the bearing (3) and one end of the rear cover (10) back to the bearing (3).

6. A self-flushing chemical pump motor as recited in claim 1 wherein: one end of the fan cover (12) facing away from the machine shell (6) is in a round table shape, the side surface of the round table shape is provided with a grid-shaped leakage structure, and the grid-shaped leakage structure is arranged towards the fan blade (11).

7. A self-flushing chemical pump motor as recited in claim 4 wherein: the end part of the outer side surface of the water collecting disc (5) is provided with a water outlet pipe (13) communicated with the inside of the water collecting disc (5).