CN216356313U

CN216356313U - Closed motor waterproof performance improves structure

Info

Publication number: CN216356313U
Application number: CN202122954533.1U
Authority: CN
Inventors: 谭远
Original assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Current assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model is suitable for the technical field of motors, and provides a closed motor waterproof performance improving structure, which comprises: the motor comprises a motor shell, a rotor assembly and a motor shaft, wherein the motor shell is arranged into a cylindrical shell structure, a stator assembly is arranged inside the motor shell, the rotor assembly is sleeved inside the stator assembly, and the motor shell is penetrated through by the rotating shaft; the stabilizing ring is arranged outside one end of the rotating shaft, a limiting ring is connected outside the stabilizing ring in a sliding mode, a rotating ball is placed between the limiting ring and the stabilizing ring, and one end of the limiting ring is arranged on one side of the motor shell; and the O-shaped sealing ring is arranged in the middle of the outer surface of the motor shell. This closed motor waterproof performance improves structure, and only the one end of pivot runs through motor housing one end in the device, and when other devices of pivot one end were connected and were used, through motor housing and cooling shell with the totally closed mu protection device of the stator module and the rotor subassembly of device inside, through spacing ring protection pivot one end, to the pivot of one side remain stable.

Description

Closed motor waterproof performance improves structure

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a closed motor waterproof performance improving structure.

Background

The motor and the compressor are housed in a single casing, known as a totally enclosed unit, in which the motor must drive the compressor directly, which requires good leaktight electrical connections, so-called totally enclosed is a form of construction in which the air surrounding the motor is not in communication with the air inside the motor, and which has a closed casing. The cleaning machine motor has the advantages that harmful substances are prevented from being invaded from the outside, the cleaning machine motor is poor in cooling effect compared with an open type motor, the cleaning machine motor belongs to a semi-exposed type motor, the motor is exposed outside, the connection mode of all parts of components is connected, the waterproof performance is not very good, water cannot be prevented from being splashed onto the motor during operation of the cleaning machine, water can enter the interior of the cleaning machine body, internal circuits are broken down and short-circuited, potential safety hazards to human bodies are formed, life safety of users is influenced, the existing closed type motor is easy to heat, and normal use of the cleaning machine motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a structure for improving the waterproof performance of a closed motor, and aims to solve the problems that the existing cleaning machine motor in the background technology belongs to a semi-exposed type, the motor part is exposed outside, the waterproof performance cannot be very good in connection with the connection mode of components of each part, and water cannot be splashed onto the motor when the machine runs, so that water enters the interior of a machine body, internal circuits break down and short circuit are avoided, and therefore potential safety hazards are formed on human bodies, life safety of users is affected, and normal use of the motor is affected due to easy heating of the existing closed motor.

The utility model is realized in this way, a closed motor waterproof performance improves the structure, including the motor casing, it sets up as the cylindrical shell structure, there are stator assemblies in the said motor casing, and the stator assembly is covered with the rotor assembly internally, the said motor casing is run through by the spindle;

the stabilizing ring is arranged outside one end of the rotating shaft, a limiting ring is connected outside the stabilizing ring in a sliding mode, a rotating ball is placed between the limiting ring and the stabilizing ring, and one end of the limiting ring is arranged on one side of the motor shell;

the O-shaped sealing ring is installed in the middle of the outer surface of the motor shell, the outer surface of the motor shell is provided with a cooling shell, the two ends of the cooling shell are provided with the O-shaped sealing rings, and the lower end of the cooling shell is connected with a limiting shell through a bolt.

By adopting the technical scheme, the disassembly is simple, and each component can be separated by disassembling the fixing screws.

Preferably, an annular groove is formed in the middle of the motor shell, and one end of the motor shell is fixedly connected with a limiting ring.

By adopting the technical scheme, the cooling shell is convenient to install, the normal operation in the device is protected, and the use efficiency is improved.

Preferably, an oil seal is arranged inside one side of the motor shell, the rotating shaft penetrates through one end of the motor shell, and the other end of the rotating shaft is located inside the other end of the motor shell.

By adopting the technical scheme, the rotor assembly and the stator assembly inside the device are effectively protected, and the safety efficiency of the device is improved.

Preferably, the limiting ring is of an annular structure, a groove structure is arranged on the inner wall of the limiting ring, and the side edge of the stabilizing ring extends into the groove of the limiting ring.

By adopting the technical scheme, the rotating shaft is kept stable in the device, and the accurate use of the device is improved.

Preferably, a water level pipe is arranged in the cooling shell, the lower end of the water level pipe is connected with one end of the limiting shell, one end of the cooling shell is provided with an opening, and the lower end of one side of the limiting shell is provided with a water outlet.

By adopting the technical scheme, the heat in the device can be transferred conveniently, and the normal operation in the device can be protected.

Preferably, the inside division board that is provided with an slope of spacing shell, and spacing shell opposite side lower extreme is run through by connecting the water pipe, the inside one side of spacing shell is provided with the water pump, and water pump one end with be connected water piping connection to the water pump runs through spacing shell.

By adopting the technical scheme, the heat generated during the rotation inside the device is effectively absorbed, and the heat inside the motor is reduced.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a structure for improving the waterproof performance of a closed motor,

1. when the device is used, only one end of the rotating shaft in the device penetrates through one end of the motor shell, and when other devices at one end of the rotating shaft are connected for use, the stator assembly and the rotor assembly in the device are fully sealed inside the protective device through the motor shell and the cooling shell, one end of the rotating shaft is protected through the limiting ring, the rotating shaft at one side of the sealed motor is kept stable, and the safety of the rotating shaft is improved;

2. the motor shell and the limiting ring on one side of the device block the motor, so that water is effectively prevented from splashing on the motor when the machine runs, water enters the machine body, and the device is short-circuited, thereby forming potential safety hazards to a human body, improving the safety of the device and improving the use efficiency of the device;

3. through cooling shell and water level pipe setting, the setting of cooperation water pump and delivery port to the heat that the device is inside to be produced, is siphoned away the heat by the inside water of the inside water level pipe of cooling shell, effectively reduces the heat that produces when motor device inside stator module and rotor subassembly use, improves the holistic service environment of device.

Drawings

FIG. 1 is a schematic view of the overall internal front view structure of the present invention;

FIG. 2 is a schematic overall external side view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1-motor shell, 2-stator component, 3-rotor component, 4-rotating shaft, 5-stabilizing ring, 6-rotating ball, 7-limiting ring, 8-oil seal, 9-cooling shell, 10-O-shaped sealing ring, 11-water level pipe, 12-limiting shell, 13-water outlet, 14-water pump and 15-connecting water pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-4, the present invention provides a technical solution, a waterproof performance improving structure of a closed motor, including a motor housing 1, a stator assembly 2, a rotor assembly 3, a rotating shaft 4, a stabilizing ring 5, a rotating ball 6, a limit ring 7, an oil seal 8, a cooling shell 9, an O-ring 10, a water level pipe 11, a limit shell 12, a water outlet 13, a water pump 14 and a connecting water pipe 15;

in the embodiment, a motor housing 1 is set to be a cylindrical shell structure, a stator assembly 2 is arranged inside the motor housing 1, a rotor assembly 3 is sleeved inside the stator assembly 2, the motor housing 1 is penetrated through by a rotating shaft 4, an annular groove is arranged in the middle of the motor housing 1, a limiting ring 7 is fixedly connected to one end of the motor housing 1, an oil seal 8 is arranged inside one side of the motor housing 1, the rotating shaft 4 penetrates through one end of the motor housing 1, and the other end of the rotating shaft 4 is located inside the other end of the motor housing 1;

further, when using the device, need not the electric wire and connect for the inside stator module 2 of device and rotor subassembly 3 circular telegram use for outside electric power system, be connected motor housing 1 and the device that needs the cooperation to use when using and install, after the whole circular telegram of device, stator module 2 keeps being connected motionless with motor housing 1, rotate through rotor subassembly 3 and pivot 4, do the electromagnetism cutting motion with stator module 2 and 3 inside of rotor subassembly, generate electricity for the device, when pivot 4 rotates, motor housing 1 one side oil blanket 8 protection pivot 4 one side.

In the embodiment, the stabilizing ring 5 is installed outside one end of the rotating shaft 4, the limiting ring 7 is connected outside the stabilizing ring 5 in a sliding mode, the rotating ball 6 is placed between the limiting ring 7 and the stabilizing ring 5, one end of the limiting ring 7 is arranged on one side of the motor shell 1, the limiting ring 7 is of an annular structure, a groove structure is arranged on the inner wall of the limiting ring 7, and the side edge of the stabilizing ring 5 extends into the groove of the limiting ring 7;

further, when the rotating shaft 4 rotates to work, the stabilizing ring 5 is driven to rotate together, the stabilizing ring 5 rotates to drive the rotating ball 6 on the surface of the stabilizing ring 5 to rotate, the rotating ball 6 is of a spherical structure and rolls inside the inner wall of the limiting ring 7, the side edge of the stabilizing ring 5 extends into the groove of the limiting ring 7 to prevent the rotating ball 6 from falling off, and meanwhile, the rotating ball 6 and the limiting ring 7 limit the rotation of the rotating shaft 4 to prevent the rotating shaft 4 from rotating and inclining to influence normal use.

In the embodiment, an O-ring 10 is installed in the middle of the outer surface of a motor housing 1, the outer surface of the motor housing 1 is provided with a cooling shell 9, two ends of the cooling shell 9 are provided with the O-ring 10, the lower end of the cooling shell 9 is connected with a limiting shell 12 through bolts, a water level pipe 11 is arranged inside the cooling shell 9, the lower end of the water level pipe 11 is connected with one end of the limiting shell 12, one end of the cooling shell 9 is provided with an opening, the lower end of one side of the limiting shell 12 is provided with a water outlet 13, an inclined partition plate is arranged inside the limiting shell 12, the lower end of the other side of the limiting shell 12 is penetrated through by a connecting water pipe 15, one side of the inside of the limiting shell 12 is provided with a water pump 14, one end of the water pump 14 is connected with the connecting water pipe 15, and the water pump 14 penetrates through the limiting shell 12;

further, before rotor assembly 3 and pivot 4 rotate and use in motor housing 1 inside, use the bolt to fix spacing shell 12 at an opening part of cooling shell 9 one end, the water pipe with external water tank is connected with connecting water pipe 15, after the starting drive certain time, start water pump 14, because water pump 14 needs to link to each other with outside electric power system and keep using, draw water through water pump 14 and run through spacing shell 12 one end and pour into inside water level pipe 11 of cooling shell 9 through water pump 14 in the water tank, the O type sealing washer 10 protection motor housing 1 and the junction of cooling shell 9 both sides, fill water level pipe 11 at the water source and open one side delivery port 13, inside has already absorbed the inside thermal warm water of device and has poured into the inside realization water circulation of external water tank, further improve the cooling effect.

The working principle and the using process of the utility model are as follows: before using, limit shell 12 passes through the bolt and is connected with cooling shell 9 one side opening, O type sealing washer 10 protection cooling shell 9 both sides, the water pipe with external water tank is connected with water pipe 15, after the starting drive, stator module 2 is fixed with motor housing 1 and remains motionless, rotate through pivot 4 and rotor subassembly 3 and begin work, pivot 4 drives stabilizing ring 5 and rotates, stabilizing ring 5 cooperation rolling ball 6 rotates in spacing ring 7 recess, through 8 protection device one sides in the oil blanket, prevent that water from getting into, draw water through water pump 14 and to the water level pipe 11 water injection of cooling shell 9 inside, open 12 one side delivery port 13 of limit shell, realize the result of use of water circulation improvement device when will have absorbed the inside heat that produces of device and cool down the device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a closed motor waterproof performance improves structure which characterized in that includes:

the motor comprises a motor shell (1) which is arranged into a cylindrical shell structure, wherein a stator component (2) is arranged in the motor shell (1), a rotor component (3) is sleeved in the stator component (2), and the motor shell (1) is penetrated through by a rotating shaft (4);

the stabilizing ring (5) is installed outside one end of the rotating shaft (4), a limiting ring (7) is connected outside the stabilizing ring (5) in a sliding mode, a rotating ball (6) is placed between the limiting ring (7) and the stabilizing ring (5), and one end of the limiting ring (7) is arranged on one side of the motor shell (1);

o type sealing washer (10), it installs in the middle of motor housing (1) surface, motor housing (1) surface is provided with cooling shell (9), and cooling shell (9) both ends are provided with O type sealing washer (10), cooling shell (9) lower extreme has spacing shell (12) through bolted connection.

2. The waterproof performance improving structure of the closed motor according to claim 1, characterized in that: an annular groove is formed in the middle of the motor shell (1), and one end of the motor shell (1) is fixedly connected with a limiting ring (7).

3. The waterproof performance improving structure of the closed motor according to claim 1, characterized in that: the motor is characterized in that an oil seal (8) is arranged inside one side of the motor shell (1), the rotating shaft (4) penetrates through one end of the motor shell (1), and the other end of the rotating shaft (4) is located inside the other end of the motor shell (1).

4. The waterproof performance improving structure of the closed motor according to claim 1, characterized in that: the limiting ring (7) is of an annular structure, a groove structure is arranged on the inner wall of the limiting ring (7), and the side edge of the stabilizing ring (5) extends into the groove of the limiting ring (7).

5. The waterproof performance improving structure of the closed motor according to claim 1, characterized in that: the cooling shell (9) is internally provided with a water level pipe (11), the lower end of the water level pipe (11) is connected with one end of a limiting shell (12), one end of the cooling shell (9) is provided with an opening, and the lower end of one side of the limiting shell (12) is provided with a water outlet (13).

6. The waterproof performance improving structure of the closed motor according to claim 1, characterized in that: spacing shell (12) inside division board that is provided with an slope, and spacing shell (12) opposite side lower extreme is run through by connecting water pipe (15), spacing shell (12) inside one side is provided with water pump (14), and water pump (14) one end with be connected water pipe (15) and be connected to spacing shell (12) are run through in water pump (14).