CN209200837U - A kind of low-voltage direct servo motor with denoising structure - Google Patents

Abstract

The utility model discloses a kind of low-voltage direct servo motor with denoising structure, including motor body, sound insulation chamber is offered inside the motor body, sound insulation chamber one end offers screw thread mouth, described screw thread mouth one end is fixedly connected with silencer cover, casing is equipped on the outside of the motor body, the casing internal is fixedly installed the first sound-proof material, damping fin is fitted between first sound-proof material and casing, the intracavitary portion of sound insulation is equipped with inner-stator iron core, shaft is equipped among the inner-stator iron core, the silencer cover center is connected with bearing corresponding with shaft, a kind of low-voltage direct servo motor with denoising structure of the utility model, by being bonded damping fin in casing inner wall, the vibration generated when the intracavitary components of sound insulation work can be reduced, to effective noise reduction in the first sound-proof material further cooperates, motor Shaft one end is threaded through at silencer cover center, so that the noise at connectivity port is handled by sound-absorption hole by the second sound-proof material.

Description

A kind of low-voltage direct servo motor with denoising structure

Technical field

The utility model relates to a kind of low-voltage direct servo motor, in particular to a kind of low-voltage direct with denoising structure Servo motor belongs to motor device technical field.

Background technique

DC servo motor, it includes stator, rotor core, machine shaft, servo motor winding commutator, servo motor Winding, speed measuring motor winding, speed measuring motor commutator.DC servo motor, which is divided into, brush and brushless motor, brushed DC servo The motor cost of motor is low, and structure is simple, and detent torque is big, speed-regulating range width, and control is easy, and needs to safeguard, but easy to maintain, Electromagnetic interference can be generated, environment is required.Therefore it may not be usable for general industry and civilian occasion to cost sensitivity.Nothing The motor volume of brush DC servo motor is small, light-weight, and power output is big, and response is fast, and torque is stablized, intelligence easy to accomplish, electricity Sub- commutation mode is flexible, can be with square wave commutation or sine wave commutation.Motor is non-maintaining to be not present the case where carbon brush is lost, and efficiency is very Height can be used for various environment.

But existing low-voltage direct servo motor does not have the noise for eliminating body work generation, to be formed lasting Noise pollution, using effect are poor.Therefore we make improvement to this, propose a kind of low-voltage direct servo with denoising structure Motor.

Utility model content

The purpose of this utility model is to provide a kind of low-voltage direct servo motor with denoising structure, it is above-mentioned to solve The conventional low DC servo motor operating noise proposed in background technique is big, the poor problem of using effect.

To achieve the above object, the utility model provides the following technical solutions: a kind of low-voltage direct with denoising structure Servo motor, including motor body offer sound insulation chamber inside the motor body, and sound insulation chamber one end offers screw thread Mouthful, described screw thread mouth one end is fixedly connected with silencer cover, is equipped with casing on the outside of the motor body, the casing internal is fixed It is provided with the first sound-proof material, damping fin is fitted between first sound-proof material and casing, the intracavitary portion of sound insulation is equipped with interior Stator core is equipped with shaft among the inner-stator iron core, and the silencer cover center is connected with bearing corresponding with shaft, and It is filled with the second sound-proof material inside silencer cover, fixed block is symmetrically arranged on the outside of the casing, described fixed block one end is corresponding with solid Determine ear, described fixed ear one end offers mounting hole, rubber shock-absorbing bolt is equipped with inside the mounting hole.

As a kind of optimal technical scheme of the utility model, soundproof plate is fixedly connected on the outside of the silencer cover.

As a kind of optimal technical scheme of the utility model, the fixed block side is fitted with damping cushion.

As a kind of optimal technical scheme of the utility model, offered among the silencer cover corresponding with shaft logical Hole, and through-hole wall is evenly distributed with sound-absorption hole.

As a kind of optimal technical scheme of the utility model, it is connected with and silencer cover one end on the inside of the screw thread mouth port Corresponding rubber washer.

As a kind of optimal technical scheme of the utility model, it is connected by welding between the casing and fixed block.

Compared with prior art, the utility model has the beneficial effects that the utility model is a kind of with the low of denoising structure Straightening flow servo motor has operating noise small, the good advantage of using effect, specific in use, with traditional low-pressure direct Flow servo motor is compared, and the utility model can reduce sound insulation intracavitary zero by being bonded damping fin in casing inner wall The vibration that part generates when working, thus effective noise reduction in the first sound-proof material further cooperates, machine shaft one end is threaded through At silencer cover center, so that the noise at connectivity port is handled by sound-absorption hole by the second sound-proof material, using effect is good.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the casing structure schematic diagram of the utility model；

In figure: 1, rubber shock-absorbing bolt；2, fixed ear；3, mounting hole；4, the first sound-proof material；5, silencer cover；6, soundproof plate； 7, shaft；8, the second sound-proof material；9, screw thread mouth；10, inner-stator iron core；11, sound insulation chamber；12, motor body；13, casing；14, Damping cushion；15, fixed block；16, damping fin.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of low-voltage direct servo motor with denoising structure, including electricity referring to FIG. 1-2, Owner's body 12 offers sound insulation chamber 11 inside the motor body 12, and described 11 one end of sound insulation chamber offers screw thread mouth 9, described 9 one end of screw thread mouth is fixedly connected with silencer cover 5, and casing 13 is equipped on the outside of the motor body 12, is consolidated inside the casing 13 Surely it is provided with the first sound-proof material 4, is fitted with damping fin 16 between first sound-proof material 4 and casing 13, in the sound insulation chamber 11 Portion is equipped with inner-stator iron core 10, is equipped with shaft 7 among the inner-stator iron core 10,5 center of silencer cover be connected with The corresponding bearing of shaft 7, and the second sound-proof material 8 is filled with inside silencer cover 5, fixed block is symmetrically arranged on the outside of the casing 13 15, described 15 one end of fixed block is corresponding with fixed ear 2, and described 2 one end of fixed ear offers mounting hole 3, inside the mounting hole 3 It is equipped with rubber shock-absorbing bolt 1.

Preferably, it is fixedly connected with soundproof plate 6 on the outside of the silencer cover 5, effectively reduced at 7 connectivity port of machine shaft Noise pollution.

Preferably, 15 side of fixed block is fitted with damping cushion 14, reduces between motor body 12 and contactant Vibrating noise.

Preferably, through-hole corresponding with shaft 7 is offered among the silencer cover 5, and through-hole wall is evenly distributed with suction Sound hole, noise reduction are efficient.

Preferably, rubber washer corresponding with 5 one end of silencer cover is connected on the inside of 9 port of screw thread mouth, it is ensured that noise reduction The stable connection of cover 5.

Preferably, it is connected by welding between the casing 13 and fixed block 15, convenient for the installation of motor body 12.

When specifically used, a kind of low-voltage direct servo motor with denoising structure of the utility model has operating noise Small, fixed ear 2 is mounted on object contact surface using rubber shock-absorbing bolt 1 by the good advantage of using effect, motor body 12, and solid The damping cushion 14 for determining 15 side of block is bonded with mounting surface, by being bonded damping fin 16 in 13 inner wall of casing, can reduce sound insulation The vibration generated when components work in chamber 11, thus effective noise reduction in the first sound-proof material 4 further cooperation, machine shaft 7 one end are threaded through at 5 center of silencer cover, so that the noise at connectivity port is handled by sound-absorption hole by the second sound-proof material 8, it is multiple Noise reduction process weakens noise comprehensively, and using effect is good, is worth being widely popularized.

In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art In concrete meaning.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of low-voltage direct servo motor with denoising structure, including motor body (12), which is characterized in that the motor It is offered sound insulation chamber (11) inside main body (12), described sound insulation chamber (11) one end offers screw thread mouth (9), the screw thread mouth (9) One end is fixedly connected with silencer cover (5), is equipped with casing (13) on the outside of the motor body (12), solid inside the casing (13) Surely be provided with the first sound-proof material (4), be fitted with damping fin (16) between first sound-proof material (4) and casing (13), it is described every It is equipped with inner-stator iron core (10) inside sound chamber (11), is equipped with shaft (7), the noise reduction among the inner-stator iron core (10) Cover (5) center is connected with bearing corresponding with shaft (7), and is filled with the second sound-proof material (8) inside silencer cover (5), the machine It is symmetrically arranged with fixed block (15) on the outside of shell (13), described fixed block (15) one end is corresponding with fixed ear (2), the fixed ear (2) One end offers mounting hole (3), is equipped with rubber shock-absorbing bolt (1) inside the mounting hole (3).

2. a kind of low-voltage direct servo motor with denoising structure according to claim 1, it is characterised in that: described to disappear Soundproof plate (6) are fixedly connected on the outside of sound cover (5).

3. a kind of low-voltage direct servo motor with denoising structure according to claim 1, it is characterised in that: described solid Determine block (15) side and is fitted with damping cushion (14).

4. a kind of low-voltage direct servo motor with denoising structure according to claim 1, it is characterised in that: described to disappear Through-hole corresponding with shaft (7) is offered among sound cover (5), and through-hole wall is evenly distributed with sound-absorption hole.

5. a kind of low-voltage direct servo motor with denoising structure according to claim 1, it is characterised in that: the spiral shell Rubber washer corresponding with silencer cover (5) one end is connected on the inside of line mouth (9) port.

6. a kind of low-voltage direct servo motor with denoising structure according to claim 1, it is characterised in that: the machine It is connected by welding between shell (13) and fixed block (15).