CN212518605U

CN212518605U - End cover structure of asynchronous motor

Info

Publication number: CN212518605U
Application number: CN202021143202.9U
Authority: CN
Inventors: 陈灵峰
Original assignee: Wuxi Lingde Electric Machinery Co ltd
Current assignee: Wuxi Lingde Electric Machinery Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-09
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an end cover structure of an asynchronous motor, which comprises an end cover body, wherein four mounting plates are uniformly and fixedly arranged on the outer surface of the bottom of the end cover body and are used for fixing the end cover on the asynchronous motor, a first mounting hole is vertically arranged in the middle of the mounting plate and used for fixing the end cover through threads, the upper part of the mounting plate is fixedly provided with vent holes which are uniformly distributed on the outer side of the end cover body in a penetrating way, used for communicating external air to the interior of the end cover body so as to facilitate heat exchange, a mounting ring is fixedly sleeved at the middle position of the top of the end cover body, the mounting ring is fixedly sleeved with a boss close to the inner wall, the boss increases the overall strength of the end cover body, the boss is tightly attached to the inner wall and fixedly provided with a bearing installation groove, and the bearing installation groove vertically penetrates through the bottom of the boss and is used for installing a rotating shaft of the asynchronous motor. The utility model discloses the area of contact of asynchronous machine with the air has been increased to asynchronous machine's radiating effect has been improved.

Description

End cover structure of asynchronous motor

Technical Field

The utility model relates to an asynchronous machine technical field specifically is an asynchronous machine's end cover structure.

Background

At present, an asynchronous motor end cover is a cover of an asynchronous motor shell, and is generally divided into a front cover and a rear cover for fixing and supporting a rotating shaft of an asynchronous motor.

And the heat radiation structure of current asynchronous machine end cover, because the size of asynchronous machine tip, make the space of end cover receive the restriction, can not provide enough big surface area, influence the area of contact of asynchronous machine end cover surface and air, thereby make the radiating effect receive the restriction, the heat radiation structure of some asynchronous machine end covers, the heat that the motor produced can not effectively be absorbed fast, thermal transmission efficiency is not high simultaneously, the heat radiation structure of the electric asynchronous machine end cover still of existence, can not increase the circulation of air inside the end cover, cause the heat gathering easily, the heat-sinking capability has been reduced, influence the reliability of motor operation, can't satisfy the requirement of current people to this product so far away.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asynchronous machine's end cover structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an end cover structure of an asynchronous motor comprises an end cover body, wherein four mounting plates are uniformly and fixedly mounted on the outer surface of the bottom of the end cover body, the mounting plates are used for fixing an end cover on the asynchronous motor, a first mounting hole is vertically formed in the middle of each mounting plate and used for fixing the end cover through threads, vent holes are fixedly formed in the upper portion of each mounting plate and uniformly penetrate through the outer side of the end cover body to be used for communicating external air to the interior of the end cover body so as to facilitate heat exchange, a mounting ring is fixedly sleeved at the middle of the top of the end cover body and clings to a boss which is fixedly sleeved at the position of the inner wall and increases the overall strength of the end cover body, a bearing mounting groove is fixedly formed in the position where the boss clings to the inner wall, the bearing mounting groove vertically penetrates through the bottom of the boss and is used for, the heat dissipation fin has increased the surface of end cover body and the area of contact of air for help asynchronous machine discharges the unnecessary heat of inside, guarantees asynchronous machine's normal work, the inside louvre that has seted up of heat dissipation fin, the louvre has increased asynchronous machine's heat exchange capacity, has improved the heat-sinking capability of end cover body, the inner chamber top fixed mounting of end cover body has the heat-conducting plate, and the heat-conducting plate is used for conducting the heat energy that asynchronous machine produced, the perpendicular fixed mounting in heat-conducting plate edge has the absorber plate, and the absorber plate absorbs asynchronous machine's heat to with the heat transfer for the heat-conducting plate is used for the heat dissipation.

Preferably, the boss with bearing installation slot bottom all protrudes in end cover body inner chamber wall, and the boss top is higher than the height of collar.

Preferably, the heat conducting plate is fixedly provided with holes with corresponding sizes at positions corresponding to the heat radiating fins, and the holes are used for communicating air inside and outside the end cover body.

Preferably, the heat absorbing plate is fixedly provided with holes at the position overlapped with the ventilation holes, so that the air circulation of the end cover body is increased while heat dissipation is realized.

Preferably, three second mounting holes are uniformly and vertically formed in the surface of the top of the mounting ring, the second mounting holes are convenient to mount, and the stability of the equipment can be reinforced.

Preferably, the boss bottom fixed mounting has the cooling fan, reaches the coaxial pivoted effect with asynchronous machine when the cooling fan is installed, provides cold wind for asynchronous machine, for its cooling heat dissipation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an asynchronous machine end cover has installed heat radiation structure additional, simple structure, and is reliable and stable, the dismouting of being convenient for, the cooling fan of installing in end cover body inner chamber department can effectual quick reduction asynchronous machine studio produce the heat, has prolonged asynchronous machine's life;

2. the utility model discloses a heat dissipation wing and the air vent that set up on the end cover body have increased the area of contact and the heat exchange rate of end cover body surface and air, have improved asynchronous machine's radiating effect.

Drawings

Fig. 1 is a schematic view of the overall structure of an end cap structure of an asynchronous motor according to the present invention;

fig. 2 is a schematic view of an end cap structure of an asynchronous motor according to the present invention;

fig. 3 is a schematic side structural view of an end cover structure of an asynchronous motor according to the present invention.

In the figure: 1. an end cap body; 2. mounting a plate; 3. a vent hole; 4. a mounting ring; 5. a boss; 6. a bearing mounting groove; 7. heat dissipation fins; 8. heat dissipation holes; 9. a heat conducting plate; 10. a heat absorbing plate; 11. a cooling fan; 12. a first mounting hole; 13. and a second mounting hole.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an end cover structure of an asynchronous motor comprises an end cover body 1, four mounting plates 2 are uniformly arranged on the outer surface of the bottom of the end cover body 1, the mounting plates 2 are used for fixing an end cover on the asynchronous motor, a first mounting hole 12 is vertically formed in the middle of each mounting plate 2, each first mounting hole 12 is used for fixing the end cover through threads, vent holes 3 are fixedly formed in the upper portion of each mounting plate 2, the vent holes 3 are uniformly distributed on the outer side of the end cover body 1 in a penetrating mode and used for communicating external air to the interior of the end cover body 1 to facilitate heat exchange, a mounting ring 4 is sleeved at the middle of the top of the end cover body 1, three second mounting holes 13 are uniformly and vertically formed in the surface of the top of the mounting ring 4, the second mounting holes 13 are convenient to mount and can reinforce the stability of the device, a boss 5 is sleeved at a position where the mounting ring 4 is tightly attached, the bearing mounting groove 6 vertically penetrates through the bottom of the boss 5 and is used for mounting a rotating shaft of an asynchronous motor, a plurality of radiating fins 7 are uniformly arranged on the surface of the top of the end cover body 1, the radiating fins 7 increase the contact area between the outer surface of the end cover body 1 and air and are used for helping the asynchronous motor to discharge redundant heat inside and ensuring the normal work of the asynchronous motor, radiating holes 8 are formed in the radiating fins 7, the radiating holes 8 increase the heat exchange capacity of the asynchronous motor and improve the radiating capacity of the end cover body 1, a heat conducting plate 9 is arranged on the top of an inner cavity of the end cover body 1, the heat conducting plate 9 is used for conducting heat energy generated by the asynchronous motor, a heat absorbing plate 10 is vertically arranged at the edge of the heat conducting plate 9, the heat absorbing plate 10 absorbs the heat of the asynchronous motor and transfers the heat to the heat conducting plate 9 for radiating, a cooling fan 11 is arranged, the cooling fan provides cold air for the asynchronous motor, and cools and radiates the asynchronous motor.

The working principle is as follows: the utility model discloses a fix end cover body 1 on asynchronous machine through first mounting hole 12 on the mounting panel 2 when using, the pivot runs through cooling fan 11 and boss 5 through bearing mounting groove 6, then connect asynchronous machine's external power source, drive cooling fan 11 when the pivot is rotatory and begin work, for the inside cold wind that provides of asynchronous machine, the heat-sinking capability of end cover body 1 has been increased, install simultaneously and hug closely at asynchronous machine's outward flange at the inside absorber plate 10 of end cover body 1, the part that produces heat when working asynchronous machine through heat-conduction passes through heat-conducting plate 9 and heat dissipation wing 7 conduction away, the work of dispelling the heat, air vent 3 and louvre 8 provide stable air for cooling fan 11 through the exchange with external air current simultaneously, and the steam generator has the advantages of simple structure, high durability and convenient use, and good use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an asynchronous machine's end cover structure, includes end cover body (1), its characterized in that: end cover body (1) bottom surface even fixed mounting has four mounting panels (2), fixed air vent (3) that are provided with in mounting panel (2) top, and air vent (3) evenly run through the outside of distribution at end cover body (1), end cover body (1) top intermediate position fixed cover has collar (4), collar (4) are hugged closely inner wall fixed cover and are had boss (5), boss (5) are hugged closely inner wall department fixed bearing mounting groove (6) of having seted up, and bearing mounting groove (6) run through the bottom of boss (5) perpendicularly, the even fixed mounting in end cover body (1) top surface has a plurality of heat dissipation wings (7), the inner chamber top fixed mounting of end cover body (1) has heat-conducting plate (9).

2. The end cover structure of an asynchronous motor according to claim 1, characterized in that: a first mounting hole (12) is vertically formed in the middle of the mounting plate (2).

3. The end cover structure of an asynchronous motor according to claim 1, characterized in that: and three second mounting holes (13) are uniformly and vertically formed in the top surface of the mounting ring (4).

4. The end cover structure of an asynchronous motor according to claim 1, characterized in that: the heat dissipation fins (7) are internally provided with heat dissipation holes (8).

5. The end cover structure of an asynchronous motor according to claim 1, characterized in that: the edge of the heat conducting plate (9) is vertically and fixedly provided with a heat absorbing plate (10).

6. The end cover structure of an asynchronous motor according to claim 1, characterized in that: and a cooling fan (11) is fixedly arranged at the bottom of the boss (5).