CN212676989U

CN212676989U - Motor shaft end cooling sleeve cover

Info

Publication number: CN212676989U
Application number: CN202020839653.XU
Authority: CN
Inventors: 陈莉
Original assignee: 陈莉
Current assignee: Ningbo Xuanxuan Motor Co.,Ltd.
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-03-09
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a motor shaft end cooling upper shield, which comprises a motor, left end cover and motor shaft, the left side fixed mounting of motor has the left end cover, the middle part of motor transversely rotates and is connected with the motor shaft, the right side embedding of motor shaft is provided with the right-hand member lid, the middle part trompil of right-hand member lid is provided with the louvre, the left side middle part fixed mounting of right-hand member lid has nested ring, the top middle part opening of nested ring is provided with scribbles the oil groove, the right side top trompil of nested ring is provided with the filling hole, the outer wall fixed mounting of nested ring has the cooling sump, the left side opening of cooling sump is provided with nested groove, the inside of cooling sump is inserted and is equipped with the fin, the left side of cooling sump is rotated. The utility model discloses it is better to the cooling effect of motor shaft, and the heat is difficult to gather, further improvement the life of bearing.

Description

Motor shaft end cooling sleeve cover

Technical Field

The utility model relates to a motor heat dissipation technical field especially relates to a motor shaft end cooling upper shield.

Background

The motor is commonly called as a motor, and is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M in a circuit and mainly used for generating driving torque to serve as a power source of an electric appliance or various machines, a generator is represented by a letter G in the circuit and mainly used for converting mechanical energy into electric energy, common motors are provided with air cooling structures, the main body of the common motors is a wind wheel connected with the end of the motor shaft, the wind wheel rotates along with the motor shaft to generate axial airflow, the heat exchange efficiency of the flowing airflow is high, the temperature in the motor can be obviously reduced, a proper environment is provided for the motor operation, if the heat dissipation effect of the motor is poor or the motor operates for a long time, burning accidents caused by the high temperature of the motor often occur, but the left side of the existing motor is provided with the wind wheel, and a sleeve cover on the right, the end cover of the shaft extension end of the motor and the bearing cannot contact circulating air blown out by the fan blades of the motor, and heat accumulation most easily causes high-temperature damage to the bearing or shortens the service life of the bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a motor shaft end cooling sleeve cover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a motor shaft end cooling sleeve cover comprises a motor, a left end cover and a motor shaft, wherein the left end cover is fixedly installed on the left side of the motor, the middle of the motor is transversely and rotatably connected with the motor shaft, the right end cover is embedded into the right side of the motor shaft, a heat dissipation hole is formed in the middle of the right end cover, a nested ring is fixedly installed in the middle of the left side of the right end cover, an oil coating groove is formed in the middle of the upper portion of the nested ring, an injection hole is formed in the uppermost hole of the right side of the nested ring, a cooling water bin is fixedly installed on the outer wall of the nested ring, a nested groove is formed in the left opening of the cooling water bin, cooling fins are inserted into the cooling water bin, a fixed sleeve is rotatably connected to the left side of the cooling water bin, fan blades are fixedly installed on, the inner wall of the fixed sleeve is tightly attached with a clamping strip.

Preferably, the nesting ring is tightly attached to the inner wall of the cooling water bin, and the outer wall of the motor shaft is tightly attached to the inner wall of the nesting ring.

Preferably, the oil coating groove is arranged in a hollow step shape with a large upper part and a small lower part, and the middle part of the oil coating groove and the upper part of the middle part of the motor shaft are positioned on the same vertical horizontal plane.

Preferably, the radiating fins are arranged around the middle of the cooling water bin in a circular ring shape, and one side, close to the middle of the motor shaft, of the radiating fins is inserted into the cooling water bin.

Preferably, the nesting groove of the cooling water sump is matched with the connecting ring of the fixing sleeve, and the connecting ring is rotatably connected with the nesting groove.

Preferably, the fixed sleeve is matched with the motor shaft, and the fixed sleeve is arranged on the left side of the cooling water bin.

Preferably, the clamping strip of fixed cover is the ring form setting around the middle part of fixed cover, the clamping strip chucking is between fixed cover and motor shaft.

The utility model provides a motor shaft end cooling upper shield has following beneficial effect:

1. this kind of motor shaft end cooling upper shield is through being provided with the oil groove of scribbling for when the nested ring scribble the oil groove in store lubricating oil, lubricating oil can be because gravity is attached to the upper surface at the motor shaft, and the motor shaft makes lubricating oil be attached to the motor shaft outer wall at the pivoted in-process because lubricating oil and motor shaft contact, reduces motor shaft coefficient of friction, reduces the frictional heat and produces, and cooling and lubricated effect are better.

2. This kind of motor shaft end cooling upper shield is through being provided with the cooling water sump for when nested ring with scribble the lubricating oil in the oil groove by the heating, the heat of lubricating oil in nested ring and the oiling groove can be adsorbed to the cooling water in the cooling water sump, cools down to it, and the cooling effect is better, further improvement the life of motor shaft.

3. This kind of motor shaft end cooling upper shield is through being provided with the flabellum for when the motor shaft of motor at the pivoted in-process, the supporting wind wheel that sets up in motor shaft left side rotates simultaneously with the flabellum of right-hand member lid, makes the flabellum on motor shaft right side produce the air current at the pivoted in-process and blows to the fin, cools down through the cooling water of fin in to the cooling water storehouse cooling of dispelling the heat, makes the device better to motor shaft cooling effect, further improvement the life of motor shaft.

Drawings

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

FIG. 2 is a schematic front sectional view of a partial structure of a right-hand end cap of the present invention;

FIG. 3 is a right side schematic sectional view of a partial structure of a middle nesting ring according to the present invention;

fig. 4 is a left side schematic view of a partial structure of the middle fixing sleeve of the present invention;

fig. 5 is an enlarged schematic structural view of fig. 2A of the present invention.

Illustration of the drawings:

1-motor, 2-left end cover, 3-motor shaft, 4-right end cover, 401-radiating holes, 5-nested ring, 501-oil coating groove, 502-injecting hole, 6-cooling water bin, 602-nested groove, 7-radiating fin, 8-fixed sleeve, 801-fan blade, 802-connecting ring and 803-clamping strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a motor shaft end cooling sleeve cover comprises a motor 1, a left end cover 2 and a motor shaft 3, wherein the left end cover 2 is fixedly installed on the left side of the motor 1, the motor shaft 3 is transversely and rotatably connected to the middle of the motor 1, the right end cover 4 is embedded into the right side of the motor shaft 3, a heat dissipation hole 401 is formed in the middle of the right end cover 4, a nested ring 5 is fixedly installed in the middle of the left side of the right end cover 4, an oil coating groove 501 is formed in the middle of the upper portion of the nested ring 5, an injection hole 502 is formed in the uppermost hole of the right side of the nested ring 5, a cooling water sump 6 is fixedly installed on the outer wall of the nested ring 5, an embedded groove 602 is formed in the left side of the cooling water sump 6, a cooling fin 7 is inserted into the cooling water sump 6, a fixed sleeve 8 is rotatably connected, the inner wall of the fixing sleeve 8 is tightly attached with a clamping strip 803.

In this embodiment, nested ring 5 hugs closely the inner wall of cooling water sump 6, and nested ring 5's inner wall is hugged closely to motor shaft 3's outer wall, and when nested ring 5 and the lubricating oil of fat liquoring groove 501 were heated, the heat of lubricating oil in nested ring 5 and the fat liquoring groove 501 can be adsorbed to the cooling water in the cooling water sump 6, cools down to it, and the cooling effect is better.

In this embodiment, fat liquoring groove 501 is big-end-up's cavity halfpace form setting, the middle part of scribbling oil groove 501 is in same vertical horizontal plane with motor shaft 3's middle part top, when having stored lubricating oil in fat liquoring groove 501 of nested ring 5, lubricating oil can be because gravity is attached to the upper surface at motor shaft 3, motor shaft 3 makes lubricating oil be attached to 3 outer walls of motor shaft at the pivoted in-process because lubricating oil and the contact of motor shaft 3, reduce motor shaft 3 coefficient of friction, reduce the heat of friction, the cooling is better with lubricated effect.

In this embodiment, fin 7 is the ring form setting around the middle part of cooling water sump 6, fin 7 is close to one side at motor shaft 3 middle part and inserts the inside of establishing in cooling water sump 6, flabellum 801 that makes motor shaft 3 right side is at the pivoted in-process, produce the air current and blow to fin 7, dispel the heat to the cooling water in cooling water sump 6 through fin 7, make the cooling water cooling in cooling water sump 6, make the device better to motor shaft 3 cooling effect, further improvement motor shaft 3's life.

In this embodiment, the nested groove 602 of the cooling water sump 6 is matched with the connection ring 802 of the fixed sleeve 8, and the connection ring 802 is rotatably connected with the nested groove 602, so that when the right end cover 4 is mounted on the right motor shaft 3 of the motor 1 and rotates, the connection ring 802 of the fixed sleeve 8 rotates in the nested groove 602, and the normal rotation of the fixed sleeve 8 is not affected.

In this embodiment, fixed cover 8 agrees with mutually with motor shaft 3, and fixed cover 8 sets up the left side at cooling water sump 6 for motor shaft 3 is at the pivoted in-process, and flabellum 801 of fixed cover 8 produces the air current at the pivoted in-process and blows to fin 7, dispels the heat to the cooling water in cooling water sump 6 through fin 7, makes the cooling water cooling in cooling water sump 6, makes the device better to motor shaft 3 cooling effect, further improvement motor shaft 3's life.

In this embodiment, the chucking strip 803 of fixed cover 8 is the ring form setting around the middle part of fixed cover 8, and chucking strip 803 chucking is between fixed cover 8 and motor shaft 3 for when nesting right-hand member lid 4 in the top of motor shaft 3, the outside at motor shaft 3 can be hugged closely to the chucking strip 803 of fixed cover 8 inner wall, prevents that motor shaft 3 from rotating fixed cover 8 of in-process and sliding.

The working principle is as follows: when the motor shaft is used, a proper amount of cooling water and lubricating oil are injected into the cooling water bin 6 and the oiling groove 501 in advance, the right end cover 4 is nested on the motor shaft 3 and is arranged on the right side of the motor 1, when the lubricating oil is stored in the oiling groove 501 of the nested ring 5, the lubricating oil can be attached to the upper surface of the motor shaft 3 due to gravity, the lubricating oil is attached to the outer wall of the motor shaft 3 due to the fact that the lubricating oil is in contact with the motor shaft 3 in the rotating process of the motor shaft 3, the friction coefficient of the motor shaft 3 is reduced, the friction heat is reduced, the cooling and lubricating effects are better, when the lubricating oil in the nested ring 5 and the oiling groove 501 is heated, the cooling water in the cooling water bin 6 can absorb the heat of the lubricating oil in the nested ring 5 and the oiling groove 501 to cool the lubricating oil, the cooling effect is better, the service life of the motor shaft 3 is further prolonged, and when the motor shaft 3 rotates, the wind wheel, make fan blade 801 on motor shaft 3 right side produce the air current at the pivoted in-process and dispel the heat through the cooling water of fin 7 in to cooling water storehouse 6 for the cooling water cooling in the cooling water storehouse 6, make the device better to motor shaft 3 cooling effect, further improvement motor shaft 3's life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A motor shaft end cooling sleeve cover comprises a motor (1), a left end cover (2) and a motor shaft (3), wherein the left end cover (2) is fixedly installed on the left side of the motor (1), the motor shaft (3) is transversely and rotatably connected to the middle of the motor (1), the motor shaft (3) is embedded into the right side of the motor shaft and provided with a right end cover (4), a heat dissipation hole (401) is formed in a middle hole of the right end cover (4), a nested ring (5) is fixedly installed in the middle of the left side of the right end cover (4), an oil coating groove (501) is formed in an opening in the middle of the upper portion of the nested ring (5), an injection hole (502) is formed in the uppermost hole of the right side of the nested ring (5), a cooling water bin (6) is fixedly installed on the outer wall of the nested ring (5), and a nested groove (602, the inside of cooling water sump (6) is inserted and is equipped with fin (7), the left side of cooling water sump (6) is rotated and is connected with fixed cover (8), the outer wall fixed mounting of fixed cover (8) has flabellum (801), the right side fixedly connected with go-between (802) of fixed cover (8), the inner wall of fixed cover (8) closely laminates and has chucking strip (803).

2. The motor shaft end cooling sleeve cover as claimed in claim 1, wherein the nesting ring (5) is tightly attached to the inner wall of the cooling water bin (6), and the outer wall of the motor shaft (3) is tightly attached to the inner wall of the nesting ring (5).

3. The motor shaft end cooling sleeve cover as claimed in claim 1, wherein the oil coating groove (501) is a hollow step-shaped arrangement with a large top and a small bottom, and the middle of the oil coating groove (501) and the upper part of the middle of the motor shaft (3) are on the same vertical horizontal plane.

4. The motor shaft end cooling sleeve cover according to claim 1, wherein the cooling fins (7) are annularly arranged around the middle of the cooling water bin (6), and one side of the cooling fins (7) close to the middle of the motor shaft (3) is inserted into the cooling water bin (6).

5. The motor shaft end cooling sleeve cover as claimed in claim 1, wherein the nesting groove (602) of the cooling water sump (6) is matched with the connecting ring (802) of the fixed sleeve (8), and the connecting ring (802) is rotatably connected with the nesting groove (602).

6. The motor shaft end cooling sleeve cover as claimed in claim 1, wherein the fixing sleeve (8) is engaged with the motor shaft (3), and the fixing sleeve (8) is disposed at the left side of the cooling water sump (6).

7. The cover for cooling the shaft end of the motor as claimed in claim 1, wherein the clamping strip (803) of the fixing sleeve (8) is annularly arranged around the middle of the fixing sleeve (8), and the clamping strip (803) is clamped between the fixing sleeve (8) and the motor shaft (3).