CN220711245U - Noise protection cover for motor - Google Patents

Abstract

The utility model discloses a motor noise reduction protective cover, which comprises a protective cover main body, wherein the protective cover main body is formed by combining a front plate, a cover plate, a left side plate, a right side plate and a back plate through connecting plates, a middle sound insulation plate is arranged on one side of the back plate facing the inside, a vent hole is formed in the middle sound insulation plate, a vent fan is arranged at a position, corresponding to the vent hole, on the back plate, a motor output shaft outlet is formed in the front plate, a relatively sealed space is formed through mounting seats of the front plate, the cover plate, the left side plate, the right side plate, the back plate and a motor, noise is absorbed by punching plates on the plates, noise reduction function is realized, the vent fan conveys external fresh air to the inside, heat in the relatively sealed space is discharged from a gap of the plates, internal heat is effectively reduced, the whole manufacturing cost is low, and the motor noise reduction protective cover is suitable for popularization.

Description

Noise protection cover for motor

Technical Field

The utility model relates to the technical field of motor noise reduction, in particular to a motor noise reduction protective cover.

Background

The existing industrial motor is large in general noise, and the noise generated by the operation of mechanical parts of the superposition equipment often causes the overall noise of the equipment to exceed the standard, so that the influence on the environment is caused, and when a fan is taken as an example, the fan can generate huge noise. Noise mainly originates from rotating parts (impellers, motors), wherein the noise generated by the operation of the impellers can be reduced by coating the fan housing with noise-reducing cotton, and motor noise is generally difficult to treat.

In the prior art, the external noise reduction and sound insulation room is additionally arranged on the whole equipment in a common method for processing the motor noise, the external noise reduction and sound insulation room is high in cost and large in occupied area, the period in the manufacturing process is long, the manufacturing is inconvenient, heat generated by the operation of the equipment body can be continuously accumulated in the sound insulation room, the internal environment is overhigh in temperature, the motor can be operated in a high-temperature environment for a long time, and the service life of the motor can be greatly shortened.

Therefore, we propose a motor noise reduction protection cover to solve the problems of high cost, unfavorable manufacturing and high internal temperature of the external noise reduction and insulation room.

Disclosure of Invention

The utility model aims to provide a motor noise reduction protective cover so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a motor noise safety cover that falls, includes the safety cover main part, the safety cover main part is formed by connecting plate combination by front bezel, apron, left side board, right side board and backplate, the backplate is equipped with middle acoustic celotex board towards inside one side, set up the ventilation hole on the middle acoustic celotex board, be equipped with the ventilation fan with the position department that the ventilation hole corresponds on the backplate, set up motor output shaft export on the front bezel.

Preferably, the front plate, the cover plate, the left side plate, the right side plate and the back plate are all composed of three parts, including an inner punching plate, a sealing plate in the middle position and an outermost panel, and the space between the punching plate and the panel is filled with noise-reducing cotton.

Preferably, the left side plate is provided with an inlet and an outlet through a cable.

Preferably, the connection parts of the front plate and the left and right side plates and the back plate and the left and right side plates are provided with gaps.

Compared with the prior art, the utility model has the beneficial effects that: the installation seat through front bezel, apron, left side board, right side board and backplate and motor itself forms a relatively sealed space, utilizes punching plate rebound noise and amortization cotton noise absorption on the panel, realizes the function of making an uproar to the ventilation fan carries external new trend to inside, makes heat in the relatively sealed space get rid of from the panel space, effectively reduces inside heat, and whole cost is cheap, is fit for promoting.

Drawings

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the left side plate of the present utility model;

FIG. 4 is a schematic view of the right side plate of the present utility model;

fig. 5 is a schematic view of the motor placement position of the present utility model.

In the figure: 1. a front plate; 2. a cover plate; 3. a left side plate; 4. a right side plate; 5. a back plate; 6. a middle sound insulation plate; 7. a vent hole; 8. a ventilation fan; 9. an output shaft outlet of the motor; 10. a connecting plate; 11. a panel; 12. a sealing plate; 13. punching a plate; 14. and a cable inlet and a cable outlet.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a motor noise safety cover that falls, including the safety cover main part, the safety cover main part is formed through connecting plate 10 combination by front bezel 1, apron 2, left side board 3, right side board 4 and backplate 5, front bezel 1 passes through connecting plate 10 bolt fixed connection left side board 3 and right side board 4, apron 2 passes through connecting plate 10 bolt fixed connection left side board 3 and right side board 4 side, backplate 5 is equipped with middle acoustic celotex board 6 towards inside one side, middle acoustic celotex board 6 passes through connecting plate 10 bolt fixed connection left side board 3 and right side board 4's side, utilize connecting plate 10 bolt fixed connection to carry out the connection between each board, be in order to conveniently maintain the motor, can dismantle one of them panel at will, make things convenient for the maintenance of motor, middle acoustic celotex board 6 and front bezel 1 constitute the structure the same, also by punching plate 13, 12 and panel 11 constitute, and intermediate space fills cotton, set up ventilation hole 7 on the middle acoustic celotex board 6, be equipped with ventilation hole 8 to the position department that corresponds with ventilation hole 7 on the backplate 5, ventilation hole 7 and ventilation hole 8 and motor afterbody 8 are on same axis, the motor cooling fan output shaft is convenient for the motor, the output shaft of motor is convenient for send out in the motor output shaft 9 of motor, the sealed output shaft of motor is convenient for the motor has been stretched out, the motor, the output shaft is convenient for in the motor is convenient for the motor has been stretched out the output shaft 9.

The front plate 1, the cover plate 2, the left side plate 3, the right side plate 4 and the back plate 5 are all composed of three parts, and comprise an inner punching plate 13, the punching plate 13 can reflect noise inside the protective cover body, the noise is contacted with the noise reduction cotton through small holes on the punching plate 13, the noise is converted into heat energy by utilizing the fiber gap in-process of the noise reduction cotton, so that the sound energy is attenuated, the noise reduction effect is achieved, the sealing plate 12 at the middle position and the panel 11 at the outermost side are arranged, and the space between the punching plate 13 and the panel 11 is filled with the noise reduction cotton.

The left side plate 3 is provided with a cable inlet and outlet 14, the cable inlet and outlet 14 is used for facilitating the cable of the motor to enter the protective cover body to be connected with the motor, and the cable inlet and outlet 1 can be used as a channel for hot air to flow out, so that internal heat dissipation is accelerated, and internal temperature is reduced.

The joints of the front plate 1, the left side plate 3 and the right side plate 4 and the back plate 5, the left side plate 3 and the right side plate 4 are provided with gaps, and the hot air in the joints is discharged by utilizing the gaps at the joints, so that the internal temperature is further reduced.

Working principle: when the motor is used, the motor is placed in the protective cover main body as shown in fig. 5, the protective cover main body and the motor mounting seat form a relatively sealed space, an output shaft of the motor extends out of an output shaft outlet 9 of the motor, a cable line of the motor enters from a cable inlet and outlet 14, when the motor works, a part of generated noise can be rebounded by a punching plate 13 on a front plate 1, a cover plate 2, a left side plate 3, a right side plate 4 and a back plate 5, the inside of the protective cover main body is reserved, a part of the noise can enter noise damping cotton from small holes on the punching plate 13, the noise is attenuated through the noise damping cotton, the purpose of reducing the noise is achieved, the ventilation fan 8 can convey external fresh air into the protective cover main body, heat generated by the motor can be discharged from gaps at the joints of the front plate 1, the left side plate 3, the right side plate 4 and the back plate 5, the left side plate 3 and the right side plate 4, and the cable inlet and the back plate 14 are cooled.

Claims (4)

1. The utility model provides a motor noise safety cover that falls, includes the safety cover main part, its characterized in that: the protection cover is characterized in that the protection cover body is formed by combining a front plate (1), a cover plate (2), a left side plate (3), a right side plate (4) and a back plate (5) through a connecting plate (10), a middle sound insulation plate (6) is arranged on one side of the back plate (5) facing the inside, a vent hole (7) is formed in the middle sound insulation plate (6), a ventilation fan (8) is arranged on the back plate (5) at a position corresponding to the vent hole (7), and a motor output shaft outlet (9) is formed in the front plate (1).

2. A motor noise reduction boot as defined in claim 1, wherein: the front plate (1), the cover plate (2), the left side plate (3), the right side plate (4) and the back plate (5) are all composed of three parts, and comprise an inner punching plate (13), a sealing plate (12) at the middle position and an outermost panel (11), and space between the punching plate (13) and the panel (11) is filled with noise-reducing cotton.

3. A motor noise reduction boot as defined in claim 1, wherein: the left side plate (3) is provided with a cable inlet and a cable outlet (14).

4. A motor noise reduction boot as defined in claim 1, wherein: the joints of the front plate (1) and the left side plate (3) and the right side plate (4) and the joints of the back plate (5) and the left side plate (3) and the right side plate (4) are provided with gaps.