CN211744228U

CN211744228U - Low-noise brush motor

Info

Publication number: CN211744228U
Application number: CN202020859673.3U
Authority: CN
Inventors: 赵红杰; 胡望安; 焦富建
Original assignee: Jiangsu Sanyang Kaitai Coal Mine Motor Manufacturing Co ltd
Current assignee: Jiangsu Sanyang Kaitai Coal Mine Motor Manufacturing Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-10-23
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to the technical field of motors, and discloses a low-noise brush motor, which comprises a shell, wherein a motor body is arranged inside the shell, the top and the bottom of the motor body are respectively symmetrically and fixedly provided with an arc-shaped steel plate, supporting rods are fixedly connected between the two ends of the steel plate and the motor body, and a plurality of through holes are equidistantly formed in the arc-shaped steel plate; the vibration of the supporting legs is buffered through the grooves and the first springs, the vibration is weakened, the noise is effectively reduced through vibration reduction, and the noise and vibration reduction is carried out on the rotating shaft of the motor body through arranging the outer ring, the inner ring and the second springs; the noise that the motor body during operation sent sees through the through-hole on the arc steel sheet and is absorbed in the centrifugal glass cotton, and the cotton inside fibre of centrifugal glass is fluffy crisscross, has a large amount of small holes, and porosity sound absorption performance is good, and the centrifugal glass cotton can also effectively insulate against heat, prevents the high heat operation of motor body, avoids the long-time high power operation of motor body part, and is effective energy-conserving.

Description

Low-noise brush motor

Technical Field

The utility model relates to the technical field of motors, specifically be a low noise type brush motor.

Background

A brushed electric machine is a rotating electric machine that includes a brush arrangement to convert electrical energy into mechanical energy (an electric motor) or mechanical energy into electrical energy (a generator). The brush motor is the basis of all motors, and has the characteristics of quick start, timely braking, capability of smoothly regulating the speed in a large range, relatively simple control circuit and the like; a scheme; in practical use of the motor, the vibration torque generated in the commutation process is equivalent to an excitation source, and the whole driven system generates vibration and noise.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a low noise type has brush motor has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: a low-noise brush motor comprises a shell, wherein a motor body is arranged in the shell, arc-shaped steel plates are symmetrically and fixedly arranged at the top and the bottom of the motor body respectively, supporting rods are fixedly connected between the two ends of each steel plate and the motor body, a plurality of through holes are formed in the arc-shaped steel plates at equal intervals, centrifugal glass wool is filled between the inner parts of the arc-shaped steel plates and the inner wall of the shell, a rotating shaft of the motor body penetrates through the right side wall of the shell and extends to the outer side, supporting legs are fixedly arranged at the bottom of the shell and comprise a bottom plate, outer rods are fixedly arranged on the upper surface of the bottom plate, mounting grooves are formed in the outer rods, inner rods are arranged in the mounting grooves, the top ends of the inner rods extend to the upper parts of the outer rods, supporting plates are fixedly connected with the top, the bottom of the groove is slidably sleeved on the outer side of the top of the inner rod, the supporting plate is located inside the groove, and the top of the groove is fixedly arranged at the bottom of the shell.

Preferably, a first spring is fixedly arranged on the upper surface of the supporting plate, and the top end of the first spring is fixedly connected with the bottom of the shell.

Preferably, the bottom of the groove is provided with a mounting hole, the diameter of the mounting hole is smaller than that of the support plate, the diameter of the groove is larger than that of the outer rod, and gaps are reserved between the inner wall and the outer wall of the bottom of the groove and the support plate and between the inner wall and the outer rod.

Preferably, a round hole is formed in the right side wall of the shell, an outer ring is fixedly arranged inside the round hole, an inner ring is arranged inside the outer ring, a plurality of second springs are fixedly arranged between the outer ring and the inner ring at equal intervals, and the inner ring is fixedly connected with the rotating shaft of the motor body.

Preferably, the bottom of the bottom plate is bonded with a non-slip mat.

Preferably, the outer rod and the inner rod are in threaded connection.

The utility model discloses possess following beneficial effect:

1. this low noise type has brush motor, fix motor body at the inner chamber central authorities of casing, motor body's motor shaft extends out, the motor during operation produces vibrations and noise, through casing and supporting leg, and the supporting leg acts on in the bottom mounting hole of recess through stretching of first spring when motor body shakes, vibrations through recess and first spring buffering supporting leg, will shake and weaken, effectively fall and make an uproar through the shock attenuation, through setting up the outer lane, inner circle and second spring, fall the shock attenuation of making an uproar to motor body's pivot.

2. This low noise type has brush motor, the noise that the motor body during operation sent sees through the through-hole on the arc steel sheet and is absorbed in the centrifugal glass cotton, and the cotton inside fibre of centrifugal glass is fluffy crisscross, has a large amount of small holes, and porosity sound absorption performance is good, and the centrifugal glass cotton can also be effectively thermal-insulated, prevents the high heat operation of motor body, avoids the long-time high power operation of motor body part, and is effective energy-conserving.

Drawings

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

FIG. 2 is a schematic view of the supporting leg structure of the present invention;

fig. 3 is a front view of the utility model at a in fig. 1.

In the figure: 1. a housing; 2. a motor body; 3. an arc-shaped steel plate; 4. a support bar; 5. a through hole; 6. centrifuging the glass wool; 7. a rotating shaft; 8. supporting legs; 81. a base plate; 82. an outer rod; 83. mounting grooves; 84. an inner rod; 85. a support plate; 86. a groove; 87. a first spring; 88. mounting holes; 9. an outer ring; 10. an inner ring; 11. a second spring.

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, a low-noise brush motor includes a housing 1, a motor body 2 is disposed inside the housing 1, arc-shaped steel plates 3 are symmetrically and fixedly disposed at the top and bottom of the motor body 2, support rods 4 are fixedly connected between the two ends of the steel plates and the motor body 2, a plurality of through holes 5 are equidistantly formed in the arc-shaped steel plates 3, centrifugal glass wool 6 is filled between the inside of the arc-shaped steel plates 3 and the inner wall of the housing 1, a rotating shaft 7 of the motor body 2 penetrates through the right side wall of the housing 1 and extends to the outside, support legs 8 are fixedly disposed at the bottom of the housing 1, each support leg 8 includes a bottom plate 81, an outer rod 82 is fixedly disposed on the upper surface of the bottom plate 81, a mounting groove 83 is formed inside the outer rod 82, an inner rod 84 is disposed inside the mounting groove 83, and the top end of the inner rod 84 extends to, the top end of the inner rod 84 is fixedly connected with a supporting plate 85, a groove 86 is formed above the outer rod 82, the bottom of the groove 86 is slidably sleeved on the outer side of the top of the inner rod 84, the supporting plate 85 is located inside the groove 86, and the top of the groove 86 is fixedly arranged at the bottom of the shell 1.

The upper surface of the supporting plate 85 is fixedly provided with a first spring 87, the top end of the first spring 87 is fixedly connected with the bottom of the shell 1, and the whole shell 1 is damped by arranging the first spring 87.

The bottom of the groove 86 is provided with a mounting hole 88, the diameter of the mounting hole 88 is smaller than that of the support plate 85, the diameter of the groove 86 is larger than that of the outer rod 82, gaps are reserved between the inner wall and the outer wall of the bottom of the groove 86 and the support plate 85 and the outer rod 82 respectively, and the groove 86 can move up and down along the inner rod 84 conveniently by arranging the mounting hole 88.

Wherein, the round hole has been seted up on the 1 right side wall of casing, the inside fixed outer lane 9 that is provided with of round hole, the inside inner circle 10 that is provided with of outer lane 9, the equidistance is fixed between outer lane 9 and the inner circle 10 and is provided with a plurality of second springs 11, inner circle 10 with motor body 2's pivot 7 fixed connection through setting up outer lane 9, inner circle 10 and second spring 11, falls the shock attenuation of making an uproar to motor body 2's pivot 7.

The bottom of the bottom plate 81 is bonded with a non-slip mat, and the non-slip mat is arranged to prevent the supporting leg 8 from displacing in the using process.

The outer rod 82 and the inner rod 84 are in threaded connection, and the outer rod 82 and the inner rod 84 are in threaded connection, so that the installation and the disassembly are convenient.

When the vibration-damping and noise-reducing centrifugal glass wool heat-insulating and noise-reducing motor is used, the motor body 2 is fixed in the center of an inner cavity of the shell 1, the motor rotating shaft 7 of the motor body 2 extends out, vibration and noise are generated when the motor works, the motor passes through the shell 1 and the supporting legs 8, the supporting legs 8 act in the bottom mounting holes 88 of the grooves 86 through the extension of the first springs 87 when the motor body 2 vibrates, the vibration of the supporting legs 8 is buffered through the grooves 86 and the first springs 87, the vibration is weakened, the noise is effectively reduced through damping, the noise is reduced and damped through arranging the outer rings 9 and the inner rings 10 and the second springs 11, the noise generated when the motor body 2 works is absorbed into the centrifugal glass wool 6 through the through holes 5 on the arc-shaped steel plate 3, fibers in the centrifugal glass wool 6 are fluffy and staggered, a large number of tiny pores exist, the porosity, the high-heat operation of the motor body 2 is prevented, the long-time high-power operation of the motor body 2 is avoided, and the energy is effectively saved.

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 a low noise type has brush motor, includes casing (1), its characterized in that: the motor comprises a shell (1), wherein a motor body (2) is arranged inside the shell (1), the top and the bottom of the motor body (2) are respectively and symmetrically and fixedly provided with an arc-shaped steel plate (3), supporting rods (4) are fixedly connected between the two ends of the steel plates and the motor body (2), a plurality of through holes (5) are equidistantly formed in the arc-shaped steel plate (3), centrifugal glass wool (6) is filled between the inside of the arc-shaped steel plate (3) and the inner wall of the shell (1), a rotating shaft (7) of the motor body (2) penetrates through the right side wall of the shell (1) and extends to the outside, supporting legs (8) are fixedly arranged at the bottom of the shell (1), each supporting leg (8) comprises a bottom plate (81), an outer rod (82) is fixedly arranged on the upper surface of the bottom plate (81), a mounting groove (83) is formed in the inside of the, the top of interior pole (84) extends to the top of outer pole (82), the top fixedly connected with backup pad (85) of interior pole (84), the top of outer pole (82) is provided with recess (86), the bottom slip cap of recess (86) is located the top outside of interior pole (84), backup pad (85) are located inside recess (86), the top of recess (86) is fixed set up in the bottom of casing (1).

2. A low noise type brush motor according to claim 1, wherein: the upper surface of the supporting plate (85) is fixedly provided with a first spring (87), and the top end of the first spring (87) is fixedly connected with the bottom of the shell (1).

3. A low noise type brush motor according to claim 1, wherein: the bottom of the groove (86) is provided with a mounting hole (88), the diameter of the mounting hole (88) is smaller than that of the support plate (85), the diameter of the groove (86) is larger than that of the outer rod (82), and gaps are reserved between the inner wall and the outer wall of the bottom of the groove (86) and the support plate (85) and the outer rod (82) respectively.

4. A low noise type brush motor according to claim 1, wherein: the round hole has been seted up on casing (1) right side wall, round hole inside fixed outer lane (9) that is provided with, the inside inner circle (10) that is provided with of outer lane (9), the equidistance is fixed between outer lane (9) and inner circle (10) and is provided with a plurality of second springs (11), inner circle (10) with pivot (7) fixed connection of motor body (2).

5. A low noise type brush motor according to claim 1, wherein: the bottom of the bottom plate (81) is bonded with a non-slip mat.

6. A low noise type brush motor according to claim 1, wherein: the outer rod (82) and the inner rod (84) are in threaded connection.