CN215733818U

CN215733818U - Flame-proof easy-to-radiate three-phase asynchronous motor

Info

Publication number: CN215733818U
Application number: CN202122470670.8U
Authority: CN
Inventors: 李小阳; 陈宇; 顾敏年
Original assignee: Jiangsu Kendeky Motor Co ltd
Current assignee: Jiangsu Kendeky Motor Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-02-01
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a flame-proof easy-heat-dissipation type three-phase asynchronous motor which comprises a placing plate, wherein a supporting plate is fixedly arranged at the top of the placing plate, a motor shell is fixedly connected to the top of the supporting plate, a fixing screw is arranged on the circumferential outer wall of the other side of the motor shell in a threaded manner, and a side connecting block is arranged on one side of the motor shell; through fin and the heat transfer copper sheet of design, the heat transfer copper sheet of fin bottom can extend away from the inside of built-in groove, can increase heat transfer area through the heat transfer copper sheet, simultaneously through the inside built-in draw-in groove of seting up of limit threaded rod, utilize built-in draw-in groove to carry out the air current, flow then make inside heat can accelerate the outflow, avoid at the in-process of work because heat transfer area is less can't accelerate the heat dissipation, be flexible with the fin setting simultaneously, make can contract at the in-process that does not need the use, then can strengthen the convenience and the practicality of device.

Description

Flame-proof easy-to-radiate three-phase asynchronous motor

Technical Field

The utility model belongs to the technical field of three-phase asynchronous motors, and particularly relates to an explosion-proof easily-radiating three-phase asynchronous motor.

Background

The three-phase asynchronous motor is one kind of induction motor, and is one kind of motor powered by 380V three-phase AC current phase difference of 120 deg.c, and has rotor rotating in the same direction and different rotation speed as the rotating magnetic field of the stator, so that the motor is called three-phase asynchronous motor.

The shell of the existing motor is provided with radiating fins, the heat inside the shell can be absorbed through the radiating fins, and meanwhile, the shell can be radiated, but the existing radiating fins are small in size, a large amount of heat cannot be discharged in the working process, meanwhile, the existing motor shell is weak in toughness in the using process, the inside of the motor is very easy to be impacted when the impact force is applied in the working process, the safety problem of explosion can be caused when the impact force is too large, and therefore the explosion-proof easily-radiating three-phase asynchronous motor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof easily-radiating three-phase asynchronous motor, which aims to solve the safety problems that the existing motor shell is provided with radiating fins, the heat in the shell can be absorbed through the radiating fins and can be radiated at the same time, but the existing radiating fins are small in size, a large amount of heat cannot be discharged in the working process, the existing motor shell is weak in toughness in the using process, the impact force is easily applied to the interior of the motor when the impact force is applied in the working process, and the explosion can be caused when the impact force is too large.

In order to achieve the purpose, the utility model provides the following technical scheme: a flame-proof easy-heat-dissipation type three-phase asynchronous motor comprises a placing plate, wherein a supporting plate is fixedly installed at the top of the placing plate, a motor shell is fixedly connected to the top of the supporting plate, fixing screws are installed on the circumferential outer wall of the other side of the motor shell in a threaded manner, a side connecting block is arranged on one side of the motor shell, a shaft lever is movably installed inside the side connecting block, heat radiating fins are movably installed on the circumferential outer wall of the motor shell, a limiting threaded rod is installed on the other side of each heat radiating fin in a threaded manner, a movable sleeve opening is formed in the other side of each heat radiating fin, a heat exchanging copper sheet is fixedly installed at the bottom of each heat radiating fin, a built-in clamping groove is formed in each heat exchanging copper sheet, a telescopic box is movably sleeved at the bottom of each heat exchanging copper sheet, the bottom of each telescopic box is fixedly connected with the inside of the motor shell, and when heat dissipation needs to be increased on the outer wall of the motor shell, dismantle spacing threaded rod from the inside of fin at this moment for the fin can be by oneself extend to the outside, and the heat transfer copper sheet can increase heat transfer area, and can accelerate heat and air current to discharge together through built-in draw-in groove.

Preferably, movable notch has been seted up at the top of expansion box, the geosyncline has been seted up to the inner chamber bottom of expansion box, the inside fixed mounting of geosyncline has a movable spring, movable spring's top fixedly connected with mounting panel, the top of mounting panel and the bottom of heat transfer copper sheet laminate each other, can jack-up and extend away the heat transfer copper sheet through setting up the mounting panel, when the motor housing received the impact force for the mounting panel can downstream cause the extrusion to movable spring, and then movable spring forms the power of bounce-back and can offset each other with the top impulsive force, thereby can increase the toughness of motor housing.

Preferably, the circumferential outer wall of the motor housing is provided with an internal groove, the internal groove is provided with an internal cavity groove, the other side of the internal groove is provided with a threaded hole, the heat exchange copper sheet can be loaded by the internal cavity groove, and the radiating fin can be fixed at a position needing to work by the threaded hole.

Preferably, spacing mouthful have been seted up to the bottom of mounting panel, the inside of spacing mouthful and the outer wall fixed connection of activity spring utilize to set up spacing mouthful can be with mounting panel fixed mounting at activity spring's top, be convenient for buffering and protection then.

Preferably, the bottom fixed mounting of heat transfer copper sheet has the limiting plate, the limiting plate size is the twice of activity notch inner chamber diameter, through setting up the limiting plate for can not follow the inside of expansion box and drop at the in-process heat transfer copper sheet of work, make work efficiency can be improved then.

Preferably, connecting thread is seted up to the inside of screw hole, the inside of screw hole all with limit threaded rod's outer wall threaded connection for connecting thread can be fixed limit threaded rod at the in-process of work, be convenient for then activity and installation through setting up connecting thread.

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

1. through fin and the heat transfer copper sheet of design, the heat transfer copper sheet of fin bottom can extend away from the inside of built-in groove, can increase heat transfer area through the heat transfer copper sheet, simultaneously through the inside built-in draw-in groove of seting up of limit threaded rod, utilize built-in draw-in groove to carry out the air current, flow then make inside heat can accelerate the outflow, avoid at the in-process of work because heat transfer area is less can't accelerate the heat dissipation, be flexible with the fin setting simultaneously, make can contract at the in-process that does not need the use, then can strengthen the convenience and the practicality of device.

2. Through the expansion box and the movable spring of design, the in-process of work receives the impact force, make the fin can promote the inside motion of heat transfer copper sheet to the expansion box, and the in-process of motion makes the mounting panel can lead to the fact the extrusion to movable spring downwards, make movable spring can form the power of bounce-back, upwards promote the heat transfer copper sheet, offset each other with the decurrent impulsive force in top, make the whole toughness of motor housing can effectively promote, avoid having the incident to produce, utilize the heat transfer copper sheet to stretch out and draw back the fin simultaneously, then can improve device's availability factor.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the circumferential inner cavity of the motor housing of the present invention;

FIG. 3 is a schematic view of the overall structure of the bottom of the heat sink of the present invention;

fig. 4 is a schematic view of the internal structure of the telescopic box of the present invention.

In the figure: 1. placing the plate; 2. a support plate; 3. a motor housing; 4. fixing screws; 5. a heat sink; 6. a limit threaded rod; 7. a side connecting block; 8. a shaft lever; 9. a built-in groove; 10. an inner cavity groove; 11. a threaded hole; 12. a movable looping; 13. a heat exchange copper sheet; 14. a clamping groove is arranged inside; 15. a telescopic box; 16. a movable notch; 17. mounting a plate; 18. a ground groove; 19. a movable spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an easy heat dissipation type three-phase asynchronous motor of flame proof, including placing board 1, the top fixed mounting who places board 1 has backup pad 2, the top fixedly connected with motor housing 3 of backup pad 2, fixed screw 4 is installed to motor housing 3 opposite side circumference outer wall screw thread, one side of motor housing 3 is provided with side connecting block 7, the inside movable mounting of side connecting block 7 has axostylus axostyle 8, motor housing 3's circumference outer wall movable mounting has fin 5, spacing threaded rod 6 is installed to fin 5's opposite side screw thread, movable sleeve mouth 12 has been seted up to fin 5's opposite side inside, fin 5's bottom fixed mounting has heat transfer copper sheet 13, built-in draw-in groove 14 has been seted up to heat transfer copper sheet 13's inside, bellows 15 has been cup jointed in the bottom activity of heat transfer copper sheet 13, bellows 15's bottom and motor housing 3's inside fixed connection.

In the embodiment, parts of each part are assembled, at the moment, the heat exchange copper sheets 13 are movably arranged inside the inner cavity groove 10, the radiating fins 5 are pressed downwards, the bottoms of the radiating fins 5 can be attached to the outer walls of the built-in grooves 9, then the limit threaded rods 6 are arranged inside the movable sleeve openings 12 in a threaded mode, the bottoms of the limit threaded rods 6 can be movably sleeved with the interiors of the movable sleeve openings 12 along with continuous twisting, the radiating fins 5 are fixed, when the heat dissipation of the motor shell 3 needs to be increased in the working process, the limit threaded rods 6 are rotated reversely at the moment, the limit threaded rods 6 can be separated from the interiors of the movable sleeve openings 12, when the heat exchange copper sheets 13 at the bottoms of the radiating fins 5 can extend out of the interiors of the built-in grooves 9, the heat exchange area can be increased through the heat exchange copper sheets 13, and meanwhile, the built-in clamping grooves 14 are formed in the limit threaded rods 6, the built-in card slot 14 can be used for air flow, and then the heat inside can be accelerated to flow out.

Specifically, movable notch 16 has been seted up at the top of bellows 15, and geosyncline 18 has been seted up to the inner chamber bottom of bellows 15, and the inside fixed mounting of geosyncline 18 has movable spring 19, and movable spring 19's top fixedly connected with mounting panel 17, the top of mounting panel 17 and the bottom of heat transfer copper sheet 13 laminate each other.

In the embodiment, when impact force is applied in the working process, the radiating fins 5 can push the heat exchange copper sheets 13 to move towards the inside of the telescopic box 15, during the movement, the mounting plate 17 presses the movable spring 19 downwards, so that the movable spring 19 generates a rebounding force to push the heat exchange copper sheet 13 upwards to counteract the downward impact force at the top, meanwhile, the movable spring 19 can be used for lifting the radiating fin 5, when the radiating fin 5 is not needed, the limit threaded rod 6 is arranged in the movable looping 12 in a threaded manner, so that the radiating fins 5 generate extrusion force on the movable spring 19, the movable spring 19 will deform and contract when pressure is formed, the heat exchange copper sheets 13 can contract towards the inside of the motor shell 3, when the limit threaded rod 6 is detached, the movable spring 19 can generate a rebounding force to push the mounting plate 17 upwards, so that the heat exchange copper sheets 13 can extend out of the interior of the motor shell 3 for heat dissipation.

Specifically, the circumferential outer wall of the motor housing 3 is provided with an internal groove 9, an inner cavity groove 10 is formed inside the internal groove 9, and a threaded hole 11 is formed inside the other side of the internal groove 9.

In this embodiment, the threaded hole 11 is arranged to extend into the threaded hole 11 from the inside of the movable sleeve opening 12 in the rotating process of the limit threaded rod 6, so that the radiating fin 5 can be fixed inside the motor shell 3, and then the fixing and the adjustment are facilitated.

Specifically, the bottom of the mounting plate 17 is provided with a limiting opening, and the inside of the limiting opening is fixedly connected with the outer wall of the movable spring 19.

In this embodiment, the bottom of the mounting plate 17 can be fixedly mounted inside the movable spring 19 in the working process by using the arranged limit port, so that the deviation caused in the extruding process is avoided.

Specifically, the bottom of heat transfer copper sheet 13 is fixed with the limiting plate, and the size of limiting plate is twice of the diameter of the inner chamber of activity notch 16.

In this embodiment, through setting up the limiting plate, set the limiting plate to the inside twice of the 16 inner chambers of activity notch simultaneously, avoid can cause the drop at the in-process of activity.

Specifically, connecting threads are formed in the threaded hole 11, and the threaded hole 11 is connected with the outer wall of the limiting threaded rod 6 in a threaded mode.

In this embodiment, utilize connecting thread for connecting thread can be fixed inside limit threaded rod 6 at the in-process of work, and fin 5 can be fixed equally then, avoids can popping out by oneself at the in-process that need not use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy heat dissipation type three-phase asynchronous motor of flame proof, is including placing board (1), the top fixed mounting who places board (1) has backup pad (2), the top fixedly connected with motor housing (3) of backup pad (2), fixed screw (4) are installed to motor housing (3) opposite side circumference outer wall screw thread, one side of motor housing (3) is provided with side connecting block (7), the inside movable mounting of side connecting block (7) has axostylus axostyle (8), its characterized in that: the circumference outer wall movable mounting of motor housing (3) has fin (5), stop threaded rod (6) are installed to the opposite side screw thread of fin (5), movable running-on (12) have been seted up to the opposite side inside of fin (5), the bottom fixed mounting of fin (5) has heat transfer copper sheet (13), built-in draw-in groove (14) have been seted up to the inside of heat transfer copper sheet (13), bellows (15) have been cup jointed in the bottom activity of heat transfer copper sheet (13), the inside fixed connection of the bottom of bellows (15) and motor housing (3).

2. The explosion-proof and heat-dissipation type three-phase asynchronous motor according to claim 1, characterized in that: the top of expansion box (15) has been seted up movable notch (16), geosyncline (18) have been seted up to the inner chamber bottom of expansion box (15), the inside fixed mounting of geosyncline (18) has movable spring (19), the top fixedly connected with mounting panel (17) of movable spring (19), the top of mounting panel (17) and the bottom of heat transfer copper sheet (13) laminate each other.

3. The explosion-proof and heat-dissipation type three-phase asynchronous motor according to claim 1, characterized in that: the motor is characterized in that an inner groove (9) is formed in the circumferential outer wall of the motor shell (3), an inner cavity groove (10) is formed in the inner portion of the inner groove (9), and a threaded hole (11) is formed in the other side of the inner groove (9).

4. The explosion-proof and heat-dissipation type three-phase asynchronous motor according to claim 2, characterized in that: the bottom of the mounting plate (17) is provided with a limiting opening, and the inside of the limiting opening is fixedly connected with the outer wall of the movable spring (19).

5. The explosion-proof and heat-dissipation type three-phase asynchronous motor according to claim 2, characterized in that: the bottom fixed mounting of heat transfer copper sheet (13) has the limiting plate, the limiting plate size is the twice of activity notch (16) inner chamber diameter.

6. The explosion-proof and heat-dissipation type three-phase asynchronous motor according to claim 1, characterized in that: connecting threads are formed in the threaded hole (11), and the threaded hole (11) is connected with the outer wall of the limiting threaded rod (6) in a threaded mode.