CN215990410U

CN215990410U - Explosion-proof waterproof type three-phase asynchronous motor

Info

Publication number: CN215990410U
Application number: CN202122433456.5U
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: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-08
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a flame-proof and waterproof type three-phase asynchronous motor which comprises a shell, a clamping block and a spring, wherein a third cover plate is arranged at the right end of the shell, a flame-proof sealing surface is formed at the left end of the third cover plate, the first cover plate is arranged at the right end of the third cover plate, a first groove is formed in the inner wall of the shell, a through groove is formed in the right end of the shell, the through groove is communicated with the first groove, the clamping block is arranged in the through groove, a second groove is formed in the left end of the third cover plate, corresponding to the clamping block, and the clamping block is in sliding connection with the second groove. When the explosion-proof device is used, when the motor explodes, gas enters the first groove and then enters the through groove, so that the clamping block is pushed to move towards the second groove, the gas is enabled to be flushed out from the explosion-proof sealing surface, the explosion-proof effect is achieved, meanwhile, the clamping block compresses the spring, the spring provides a damping and buffering effect, when the explosion condition does not occur, the clamping block and the through groove are clamped to generate the sealing effect, water outside the shell is difficult to enter the shell, and the waterproof effect is achieved.

Description

Explosion-proof waterproof type three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of explosion-proof three-phase asynchronous motors, in particular to an explosion-proof waterproof three-phase asynchronous motor.

Background

The electric equipment for realizing the interconversion of electric energy and mechanical energy is generally called as a motor, the motor realizes the interconversion of electric energy and mechanical energy by utilizing the electromagnetic induction principle, the equipment for converting mechanical energy into electric energy is called as a generator, the equipment for converting electric energy into mechanical energy is called as a motor, an alternating current motor, in particular a three-phase asynchronous motor is mainly used in production, and the motor has the advantages of simple structure, firmness and durability, reliable operation, low price, convenient maintenance and the like, and is widely used for driving various metal cutting machine tools, cranes, forging presses, conveyor belts, casting machines, ventilators with low power, water pumps and the like.

The explosion-proof junction surface of the existing three-phase asynchronous motor has no waterproof structure, so that external water can easily enter the motor, the internal water is easily damaged, and the inconvenience in use is caused. Therefore, the utility model provides an explosion-proof and waterproof three-phase asynchronous motor to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof and waterproof three-phase asynchronous motor to solve the problems in the background technology.

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

the utility model provides a flame proof waterproof type three-phase asynchronous motor, includes casing, fixture block and spring, the casing right-hand member is equipped with apron three, and the three left ends of apron form the flame proof sealed face, and apron three right-hand members are equipped with apron one, shells inner wall is equipped with recess one, and the casing right-hand member is equipped with logical groove, leads to groove and is linked together with recess one, it is equipped with the fixture block to lead to the inslot, and apron three left ends correspond the fixture block and be equipped with recess two, fixture block and two sliding connection of recess, the fixture block right-hand member is equipped with a plurality of springs, the spring other end and two inner wall fixed connection of recess, the casing left end is equipped with apron two, is equipped with the fan in the apron two, is equipped with a plurality of flabellums on the fan, and the casing left end is equipped with a plurality of louvres.

As a further scheme of the utility model, the first cover plate and the third cover plate are provided with bearings, and the bearings are provided with output shafts, so that the motor can output mechanical energy conveniently.

As a further scheme of the utility model, the lower end of the shell is provided with a bracket, the bracket is provided with bolt holes to support the motor, and the motor is convenient to mount.

As a further scheme of the utility model, the first groove, the through groove and the second groove are all in the shape of circular rings, so that gas can be rapidly flushed out conveniently.

As a further scheme of the utility model, the fan is provided with a fixed frame which is fixedly connected with the inner walls of the two cover plates, so that the fan is convenient to fix and support.

As a further scheme of the utility model, the second cover plate is provided with a dustproof net which is positioned at the left side of the fixed frame, so that external dust is prevented from entering the inner part and damaging internal electric elements.

As a further scheme of the utility model, the heat dissipation holes are internally provided with one-way valves, and the joint of the cover plate II and the shell is provided with a sealing ring, so that the connection tightness is improved.

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

1. when the explosion-proof device is used, when the motor explodes, gas enters the first groove and then enters the through groove, so that the clamping block is pushed to move towards the second groove, the gas is enabled to be flushed out from the explosion-proof sealing surface, the explosion-proof effect is achieved, meanwhile, the clamping block compresses the spring, the spring provides a damping and buffering effect, when the explosion condition does not occur, the clamping block and the through groove are clamped to generate the sealing effect, water outside the shell is difficult to enter the shell, and the waterproof effect is achieved.

2. When the motor is used, the second cover plate, the fan and the heat dissipation hole are matched for use, so that a heat dissipation effect can be achieved on the motor, and meanwhile, external dust is prevented from entering through the dust screen.

Drawings

Fig. 1 is a schematic structural diagram of an explosion-proof and waterproof three-phase asynchronous motor.

Fig. 2 is a left-side view schematic diagram of an explosion-proof and waterproof three-phase asynchronous motor.

Fig. 3 is a schematic cross-sectional view of an explosion-proof and waterproof three-phase asynchronous motor.

Fig. 4 is an enlarged structural schematic diagram of a part a in fig. 3 of the flameproof and waterproof three-phase asynchronous motor.

In the figure: 1. a housing; 2. a first cover plate; 3. a bearing; 4. an output shaft; 5. a support; 6. a second cover plate; 7. a dust screen; 8. a fan; 801. a fixed mount; 9. a fan blade; 10. heat dissipation holes; 11. a seal ring; 12. a one-way valve; 13. a cover plate III; 14. a first groove; 15. a through groove; 16. a clamping block; 17. a second groove; 18. a spring; 19. and (4) an explosion-proof sealing surface.

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.

Example 1

Referring to fig. 1 to 4, in the embodiment of the utility model, the explosion-proof and waterproof three-phase asynchronous motor comprises a shell 1, a clamping block 16 and a spring 18, wherein a cover plate III 13 is arranged at the right end of the shell 1, an explosion-proof sealing surface 19 is formed at the left end of the cover plate III 13, a cover plate I2 is arranged at the right end of the cover plate III 13, bearings 3 are arranged on the cover plate I2 and the cover plate III 13, an output shaft 4 is arranged on the bearings 3, a support 5 is arranged at the lower end of the shell 1, and bolt holes are formed in the support 5;

a first groove 14 is formed in the inner wall of the shell 1, a through groove 15 is formed in the right end of the shell 1, the through groove 15 is communicated with the first groove 14, a clamping block 16 is arranged in the through groove 15, a second groove 17 is formed in the left end of the cover plate III 13 corresponding to the clamping block 16, and the clamping block 16 is connected with the second groove 17 in a sliding mode;

the right end of the clamping block 16 is provided with a plurality of springs 18, the other ends of the springs 18 are fixedly connected with the inner walls of the second grooves 17, the first grooves 14, the through grooves 15 and the second grooves 17 are all annular, the left end of the shell 1 is provided with a second cover plate 6, a fan 8 is arranged in the second cover plate 6, a plurality of fan blades 9 are arranged on the fan 8, and the left end of the shell 1 is provided with a plurality of heat dissipation holes 10.

Example 2

In the embodiment of the utility model, a fixing frame 801 is arranged on the fan 8, the fixing frame 801 is fixedly connected with the inner wall of the second cover plate 6, a dust screen 7 is arranged on the second cover plate 6, the dust screen 7 is positioned on the left side of the fixing frame 801, a one-way valve 12 is arranged in the heat dissipation hole 10, and a sealing ring 11 is arranged at the connection position of the second cover plate 6 and the shell 1.

The working principle of the utility model is as follows:

when the explosion-proof motor is used, when the explosion-proof motor is exploded, gas can enter the first groove 14 and then enter the through groove 15, the fixture block 16 is pushed to move towards the second groove 17, so that the gas is flushed out from the explosion-proof sealing surface 19, the explosion-proof effect is achieved, meanwhile, the fixture block 16 compresses the spring 18, the spring 18 provides a damping and buffering effect, when the explosion condition does not occur, the fixture block 16 is clamped with the through groove 15 to generate a sealing effect, water outside the shell 1 is difficult to enter the shell 1, the waterproof effect is achieved, meanwhile, the heat dissipation effect can be achieved on the motor through the matching use of the structures of the second cover plate 6, the fan 8 and the heat dissipation holes 10, and meanwhile, the dust in the outside is prevented from entering through the dust screen 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A flame-proof and waterproof type three-phase asynchronous motor comprises a shell (1), a clamping block (16) and springs (18), and is characterized in that a cover plate III (13) is arranged at the right end of the shell (1), a flame-proof sealing surface (19) is formed at the left end of the cover plate III (13), a cover plate I (2) is arranged at the right end of the cover plate III (13), a groove I (14) is arranged on the inner wall of the shell (1), a through groove (15) is formed at the right end of the shell (1), the through groove (15) is communicated with the groove I (14), the clamping block (16) is arranged in the through groove (15), a groove II (17) is formed in the left end of the cover plate III (13) corresponding to the clamping block (16), the clamping block (16) is in sliding connection with the groove II (17), the clamping block (16) is provided with the springs (18), the other ends of the springs (18) are fixedly connected with the inner wall of the groove II (17), a cover plate II (6) is arranged at the left end of the shell (1), a fan (8) is arranged in the second cover plate (6), a plurality of fan blades (9) are arranged on the fan (8), and a plurality of heat dissipation holes (10) are formed in the left end of the shell (1).

2. The flameproof and waterproof three-phase asynchronous motor according to claim 1, characterized in that the first cover plate (2) and the third cover plate (13) are provided with bearings (3), and the bearings (3) are provided with output shafts (4).

3. The flameproof and waterproof three-phase asynchronous motor according to claim 1, characterized in that a bracket (5) is arranged at the lower end of the housing (1), and bolt holes are arranged on the bracket (5).

4. The flameproof and waterproof three-phase asynchronous motor according to claim 1, wherein the first groove (14), the through groove (15) and the second groove (17) are all circular.

5. The flameproof and waterproof three-phase asynchronous motor according to claim 1, characterized in that the blower (8) is provided with a fixing frame (801), and the fixing frame (801) is fixedly connected with the inner wall of the second cover plate (6).

6. The flameproof and waterproof three-phase asynchronous motor according to claim 1, characterized in that a dust screen (7) is arranged on the second cover plate (6), and the dust screen (7) is positioned on the left side of the fixing frame (801).

7. The flameproof and waterproof three-phase asynchronous motor according to claim 1, wherein a one-way valve (12) is arranged in the heat dissipation hole (10), and a sealing ring (11) is arranged at the joint of the second cover plate (6) and the shell (1).