CN218733644U

CN218733644U - Noise reduction mechanism

Info

Publication number: CN218733644U
Application number: CN202223130193.1U
Authority: CN
Inventors: 王翻番
Original assignee: Hengjun Motor Co ltd Changzhou City
Current assignee: Hengjun Motor Co ltd Changzhou City
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-24
Anticipated expiration: 2032-11-24

Abstract

The utility model provides a noise reduction mechanism relates to and falls the technical field of making an uproar, comprising a base plate, the top fixed mounting of bottom plate has the cover of making an uproar, the top fixed mounting of bottom plate has four dampers, four fixed cover is equipped with between the top of damper and places the board, the top fixed mounting who places the board has the acoustic celotex board. The utility model discloses in, through at the bottom plate, the cover of making an uproar falls, the acoustic celotex board, first sound sponge that absorbs, the second inhales under the effect of sound sponge, at the in-process that the motor used, under the effect that a sound-proof cover and acoustic celotex board were established to the cover between its outer surface wall, can completely cut off the noise that produces inside equipment, and two sound sponges that inhale of equipment inside can effectively adsorb the sound of outside transmission, thereby the noise transmission that can effectively prevent inside motor body and send is gone out, the noise reduction effect is good, can create a good environment for the staff under its environment.

Description

Noise reduction mechanism

Technical Field

The utility model relates to a technical field of making an uproar falls especially relates to a mechanism of making an uproar falls.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product, the brushless motor refers to a motor without a brush and a commutator (or a collecting ring), also called a commutator-free motor, and as early as the birth of the nineteenth century, the generated practical motor is in a brushless form, namely an alternating current squirrel-cage asynchronous motor, the motor is widely applied, however, the asynchronous motor has many defects which cannot be overcome, so that the motor technology is slowly developed, and transistors are born in the middle of the last century, therefore, the direct current brushless motor adopting a transistor commutation circuit to replace the brush and the commutator is just in due course, the novel brushless direct current motor is called an electronic commutation type direct current motor, and the defects of the first-generation brushless motor are overcome.

Currently, as in chinese patent No.: CN 215934623U discloses a dc brushless motor, which comprises a housing, wherein the inside of the housing is fixedly connected with four sliding rods, which are rectangular and fixedly connected inside the housing, the surface of each sliding rod is sleeved with a spring, the surface of each sliding rod is sleeved with a case, the inner wall of the housing is provided with four sliding grooves, each sliding groove is symmetrically arranged on the inner wall of the housing, the surface of the case is fixedly connected with four sliding blocks, each sliding block is fixedly connected on the surface of the case, and each sliding block is slidably connected in each sliding groove.

Although the protection performance of the device is enhanced under the action of the assembly in the equipment, the equipment generates strong vibration in the operation process due to the fact that the motor per se generates strong vibration in the operation process, and sound is generated due to the fact that the inner bearing is damaged and the gap is too large, the noise is not processed, the noise of the motor per se extends to the external environment to cause noise pollution, and the health of a human body is affected when workers work in the environment for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned patent equipment when using, owing to can't take a sample to the water source of lower hollow department, artifical sample not only causes the pollution of shoes easily, still brings dangerous problem easily, and the mechanism of making an uproar falls that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mechanism of making an uproar falls, includes the bottom plate, the top fixed mounting of bottom plate has the cover of making an uproar falls, the top fixed mounting of bottom plate has four dampers, four fixed cover is equipped with between the top of damper and places the board, the top fixed mounting who places the board has the acoustic celotex board, fixed mounting has first sound absorption sponge between the interior table wall of bottom plate, fixed mounting has the second sound absorption sponge between the interior table wall of acoustic celotex board.

Preferably, the top center department fixed mounting of bottom plate has the telescopic link, the top fixed mounting who places the board has the motor cabinet, the top fixed mounting of motor cabinet has motor body, and the convenience can keep the stability of motor body during operation under the cooperation of motor cabinet and motor body.

Preferably, two first holes are formed in the outer surface wall of the noise reduction cover, fans are fixedly inserted into the inner surface walls of the two first holes, and the fans are inserted into the inner walls of the first holes through the formed first holes, so that stable supporting notches are provided for the fans.

Preferably, the equal fixed mounting of input of fan has the wind-collecting cover, two second holes have been seted up to the exterior wall of acoustic celotex board, and the interior table wall in two second holes is all fixed to be inserted and is equipped with the wind-collecting cover, and the convenience can come out the heat conveying that inside motor body produced under the cooperation of fan and wind-collecting cover, carries out the heat radiation treatment to it.

Preferably, the rotating grooves are formed in one sides of the outer walls of the noise reduction cover and the sound insulation plate, the bearings are fixedly inserted into the inner surface walls of the rotating grooves, the two bearings are fixedly inserted into the output end of the motor body, and the heat dissipation device and the motor body are connected with each other through the two bearings, so that friction between the motor and the motor body can be reduced, and energy consumption is reduced.

Preferably, the bottom of the bottom plate is fixedly provided with two supporting blocks, a sealing ring is movably embedded between the sound insulation plate and the outer wall of the first sound absorption sponge, the sealing ring keeps the sealing performance of the top, and sound can be effectively isolated.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through at the bottom plate, the cover of making an uproar falls, the acoustic celotex board, first sound sponge that absorbs, the second inhales under the effect of sound sponge, at the in-process that the motor used, under the effect that a sound-proof cover and acoustic celotex board were established to the cover between its outer surface wall, can completely cut off the noise that produces inside equipment, and two sound sponges that inhale of equipment inside can effectively adsorb the sound of outside transmission, thereby the noise transmission that can effectively prevent inside motor body and send is gone out, the noise reduction effect is good, can create a good environment for the staff under its environment.

2. Through at the attenuator, place board, telescopic link, motor cabinet, motor body's effect under, through set up four attenuator and telescopic link in its bottom, resonance that produces with external equipment when can reducing motor vibration can effectively reduce the noise propagation that this kind of equipment vibration produced to carry out the isolated processing of secondary of noise.

3. Through under the effect in first hole, fan, air-collecting cover, second hole, at first can realize through fan and air-collecting cover that the environment that fan body and inside motor body function is linked together, under the effect through the fan, can carry out the circulation of the inside and outside gas of equipment and handle to realize cold and hot gas circulation, realize giving inside motor cooling treatment.

Drawings

Fig. 1 is a perspective view of a main view structure of a noise reduction mechanism according to the present invention;

fig. 2 is a perspective view of a bottom view structure of a noise reduction mechanism according to the present invention;

fig. 3 is a partial structural sectional view of a noise reduction mechanism provided by the present invention;

fig. 4 is a plan view of a part of the noise reduction mechanism according to the present invention;

fig. 5 is the utility model provides a noise reduction cover structure cross-sectional view in the noise reduction mechanism.

Illustration of the drawings: 1. a base plate; 2. a noise reduction hood; 3. a damper; 4. placing the plate; 5. a sound insulating board; 6. a first hole; 7. a fan; 8. a wind gathering cover; 9. a second hole; 10. a first sound absorbing sponge; 11. a second sound absorbing sponge; 12. a telescopic rod; 13. a motor base; 14. a motor body; 15. a support block; 16. a soft cushion; 17. a seal ring; 18. a top cover; 19. a rotating tank; 20. and a bearing.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a mechanism of making an uproar falls, includes bottom plate 1, and the top fixed mounting of bottom plate 1 has the cover of making an uproar 2 of falling, and the top fixed mounting of bottom plate 1 has four attenuator 3, and fixed cover is equipped with between the top of four attenuator 3 and places board 4, and the top fixed mounting who places board 4 has acoustic celotex board 5, and fixed mounting has first sound sponge 10 of inhaling between the interior table wall of bottom plate 1, and fixed mounting has the second to inhale sound sponge 11 between the interior table wall of acoustic celotex board 5.

As shown in fig. 3-4, a telescopic rod 12 is fixedly installed at the top center of the bottom plate 1, a motor base 13 is fixedly installed at the top of the placing plate 4, a motor body 14 is fixedly installed at the top of the motor base 13, the telescopic rod 12 is connected with the placing plate 4, and the placing plate 4 can be vertically limited when resonating.

As shown in fig. 3-5, two first holes 6 are formed in the outer surface wall of the noise reduction cover 2, fans 7 are fixedly inserted into the inner surface walls of the two first holes 6, the fans 7 and the wind-collecting cover 8 can be fixedly communicated through the first holes 6 and the first holes 6, and heat generated by the motor body 14 inside the device can be conveyed out under the action of the fans 7, so that the air inside and outside the device can be circulated.

As shown in fig. 1 to 4, the input end of the fan 7 is fixedly provided with a wind-collecting cover 8, the outer wall of the baffle 5 is provided with two second holes 9, the inner walls of the two second holes 9 are fixedly inserted with the wind-collecting cover 8, and the wind-collecting cover 8 is inserted between the inner walls of the second holes 9, so as to fix the wind-collecting cover 8.

As shown in fig. 2 and 4, the rotating grooves 19 are formed in one side of the outer walls of the noise reduction cover 2 and the sound insulation board 5, the bearings 20 are fixedly inserted into the inner surface walls of the two rotating grooves 19, the two bearings 20 are fixedly inserted into the output end of the motor body 14, the two bearings 20 can serve as connecting components for connecting the output end of the motor body 14 with the noise reduction cover 2 and the sound insulation board 5, and friction energy consumption can be reduced.

As shown in fig. 4 and 5, two supporting blocks 15 are fixedly installed at the bottom of the bottom plate 1, two soft pads 16 are fixedly inserted into the bottoms of the two supporting blocks 15, a sealing ring 17 is movably embedded between the sound insulation plate 5 and the outer wall of the first sound absorption sponge 10, a top cover 18 is fixedly installed at the top of the sealing ring 17, and the four soft pads 16 are in contact with the bottom plate 1, so that direct contact between the equipment and the ground can be avoided, and noise generated by friction between two solid bodies can be avoided.

The working principle is as follows: firstly, the output end of the motor body 14 is connected with an external device which needs to be driven, then, when the motor body 14 rotates, the motor body can generate noise due to vibration or overlarge internal clearance, at the moment, the noise in the motor body 14 diffuses outwards, at the moment, the noise reduction cover 2 and the sound insulation board 5 can isolate the generated noise in the device, a space can be formed between the noise reduction cover 2 and the sound insulation board 5, the noise can also be effectively isolated, the noise can be effectively isolated and treated, the noise diffused outwards can be effectively adsorbed by the two layers of internal suction sponges, the noise is isolated and adsorbed by the two layers of internal suction sponges, the bottom damping and limiting device can perform damping treatment on the device, in the process, the resonance generated by the motor body 14 and the external device can be reduced, the noise propagation generated by the vibration of the device can be effectively reduced, the third layer isolation treatment of the noise can be performed, and the inside and outside communication treatment of the device can be realized under the action of the fan 7 and the air collecting cover 8, so that the inside and outside gas can be communicated, the inside hot air can be conveyed to the device, the inside hot air flow can be cooled, and the inside of the motor body 14 can be ensured to be sealed, and the environment can be kept in a certain temperature can be kept.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A noise reduction mechanism comprises a bottom plate (1), and is characterized in that: the top fixed mounting of bottom plate (1) has and falls cover (2) of making an uproar, the top fixed mounting of bottom plate (1) has four attenuator (3), four fixed cover is equipped with between the top of attenuator (3) and places board (4), the top fixed mounting who places board (4) has acoustic celotex board (5), fixed mounting has first sound sponge (10) of inhaling between the interior table wall of bottom plate (1), fixed mounting has the second between the interior table wall of acoustic celotex board (5) and inhales sound sponge (11).

2. A noise reducing mechanism as defined in claim 1, wherein: the top center department fixed mounting of bottom plate (1) has telescopic link (12), the top fixed mounting who places board (4) has motor cabinet (13), the top fixed mounting of motor cabinet (13) has motor body (14).

3. A noise reducing mechanism as defined in claim 1, wherein: two first holes (6) are formed in the outer surface wall of the noise reduction cover (2), and fans (7) are fixedly inserted into the inner surface walls of the two first holes (6).

4. A noise reduction mechanism according to claim 3, wherein: the equal fixed mounting of input of fan (7) has air collecting cover (8), two second holes (9) have been seted up to the exterior wall of acoustic celotex board (5), and the interior surface wall of two second holes (9) all is fixed to be inserted and is equipped with air collecting cover (8).

5. A noise reduction mechanism according to claim 2, wherein: the noise reduction cover (2) and the outer wall of the sound insulation board (5) are provided with rotating grooves (19), the inner surface wall of each rotating groove (19) is fixedly provided with a bearing (20) in an inserted mode, and the output end of the motor body (14) is fixedly provided with two bearings (20) in an inserted mode.

6. A noise reducing mechanism as defined in claim 1, wherein: two supporting blocks (15) are fixedly installed at the bottom of the bottom plate (1), and a sealing ring (17) is movably embedded between the sound insulation plate (5) and the outer wall of the first sound absorption sponge (10).