CN218335596U

CN218335596U - Motor with noise reduction mechanism

Info

Publication number: CN218335596U
Application number: CN202222658409.5U
Authority: CN
Inventors: 任荣容; 任成海; 王叶海
Original assignee: Shangli Machinery Co ltd
Current assignee: Shangli Machinery Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-17
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to the technical field of motors, in particular to a motor with a noise reduction mechanism, which at least comprises a frame component, a stator and a rotor mechanism positioned at the inner side of the frame component, wherein the frame component comprises a shell component and cover plates positioned at two open ends of the shell component; the shell assembly comprises an outer shell and an inner shell, a noise reduction cavity is formed between the outer shell and the inner shell, and a noise reduction assembly is arranged on the inner side of the noise reduction cavity; the utility model discloses in give sound insulation and fall and make an uproar through adopting the design of double-deck shell form, simultaneously, through docking the back with sound-proof piece A and sound-proof piece B on shell and the inner shell, not only can form the multilayer and fall the structure of making an uproar in falling the intracavity of making an uproar, and effectually avoid the inner shell to take place axial rotation in the shell, it is more outstanding to fall the ability of making an uproar, for the mode with the help of outside sound-proof housing among the prior art, the utility model discloses not only optimized the product structure, and can effectually handle motor self noise source.

Description

Motor with noise reduction mechanism

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a motor with mechanism of making an uproar falls.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and can generate a large amount of noise during operation, so that noise pollution to the operating environment is easy to generate.

The motor with the noise reduction function comprises a base, a shell and a noise reduction barrel, wherein positioning holes are formed in two sides of the base, the shell is installed on the base, the noise reduction barrel is installed inside the shell, a cavity is formed between the noise reduction barrel and the shell, a sound insulation board is installed inside the cavity, and the top of the sound insulation board is fixedly connected with the inner wall of the shell.

According to the technical scheme, the motor is sleeved with the noise reduction barrel to achieve noise reduction, but technical personnel in the field know that the noise reduction barrel is adopted, so that the noise reduction cost is high, the occupied space is small, noise reduction processing is not performed on the motor, and noise reduction operation cannot be achieved if the noise reduction barrel is forgotten to be carried.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above shortcoming in the prior art and providing a motor with noise reduction mechanism.

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

the motor with the noise reduction mechanism at least comprises a base assembly, a stator and a rotor mechanism, wherein the stator and the rotor mechanism are positioned on the inner side of the base assembly;

the shell assembly comprises an outer shell and an inner shell, a noise reduction cavity is formed between the outer shell and the inner shell, and a noise reduction assembly is arranged on the inner side of the noise reduction cavity;

the locking assembly is positioned between the outer shell and the inner shell, so that the inner shell is fixed in the outer shell through the locking assembly.

Preferably, the inner side end of the outer shell is provided with a check ring extending towards the circle center, the outer peripheral surface of the inner shell is provided with a seal ring extending away from the circle center, and the two opening ends of the noise reduction cavity are covered and shielded by the check ring and the seal ring.

Preferably, the noise reduction assembly comprises sound insulation pieces A circumferentially distributed on the retainer ring and sound insulation pieces B circumferentially distributed on the outer peripheral surface of the inner shell, and the sound insulation pieces A and the sound insulation pieces B can be in contact with each other.

Preferably, the cross section of the sound insulation sheet A is of a Z-shaped structure, the sound insulation sheet B is of a plate-shaped structure, slots are formed in the end faces of the sound insulation sheet A and the sound insulation sheet B, and the sound insulation sheet A and the sound insulation sheet B are matched in an inserted mode through the slots.

Preferably, sound absorbing coatings are sprayed on both sides of the sound insulation sheet a and the sound insulation sheet B.

Preferably, the locking subassembly is including offering at least a set of recess on the shell side, the inboard of recess is provided with an elasticity card, the hook portion of elasticity card can the butt in the outside border of inner shell.

The utility model provides a pair of motor with mechanism of making an uproar falls, beneficial effect lies in: the utility model discloses in give sound insulation and fall and make an uproar through adopting the design of double-deck shell form, simultaneously, through docking the back with sound-proof piece A and sound-proof piece B on shell and the inner shell, not only can form the multilayer and fall the structure of making an uproar falling in the intracavity of making an uproar falling, and effectually avoid the inner shell to take place axial rotation in the shell, it is more outstanding to fall the ability of making an uproar, for the mode with the help of outside sound-proof housing among the prior art, the utility model discloses not only optimized the product structure, and can effectually handle motor self noise source, the assembly of being convenient for production of assembled design can effectually reduce the treatment cost of making an uproar falling to the motor.

Drawings

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

FIG. 2 is a schematic view of the structure of the housing assembly of the present invention;

FIG. 3 is an enlarged view of the area A of FIG. 2;

fig. 4 is a sectional view of the housing assembly of the present invention.

In the figure: 1. a stand assembly; 11. a housing assembly; 111. a housing; 112. an inner shell; 113. a noise reduction cavity; 114. a retainer ring; 115. sealing a ring; 116. a sound-insulating sheet A; 117. a sound-insulating sheet B; 118. a slot; 119. an elastic card; 12. a cover plate; 2. stator and rotor mechanism.

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.

Referring to fig. 1-4, a motor with a noise reduction mechanism at least comprises a base assembly 1, and a stator and rotor mechanism 2 located inside the base assembly 1, it is obvious that a person skilled in the art knows that a fan assembly can be arranged at the tail end of the base assembly 1 to realize heat dissipation to the base assembly 1, and the base assembly 1 comprises a shell assembly 11 and cover plates 12 located at two open ends of the shell assembly 11;

the casing assembly 11 includes an outer casing 111 and an inner casing 112, a noise reduction cavity 113 is formed between the outer casing 111 and the inner casing 112, and a noise reduction assembly is arranged inside the noise reduction cavity 113;

the locking device further comprises a locking assembly, wherein the locking assembly is located between the outer shell 111 and the inner shell 112, so that the inner shell 112 is fixed in the outer shell 111 through the locking assembly.

Further, a retaining ring 114 extending towards the center of circle is arranged at the inner side end of the outer shell 111, a sealing ring 115 extending away from the center of circle is arranged on the outer peripheral surface of the inner shell 112, the two opening ends of the noise reduction cavity 113 are covered and shielded by the retaining ring 114 and the sealing ring 115, and the inner shell 112 can be stopped by the retaining ring 114 to be limited when being inserted.

Still further, the noise assembly includes sound-insulating sheets a116 circumferentially disposed on the retainer ring 114 and sound-insulating sheets B117 circumferentially disposed on the outer circumferential surface of the inner shell 112, and the sound-insulating sheets a116 and the sound-insulating sheets B117 can contact each other.

Illustratively, in this embodiment, the cross section of the sound-insulating sheet a116 is a Z-shaped structure, the sound-insulating sheet B117 is a plate-shaped structure, the end surfaces of the sound-insulating sheets a116 and B117 are both provided with slots 118, the sound-insulating sheets a116 and B117 are in insertion fit through the slots 118, obviously, in this embodiment, the depths of the two sets of slots 118 are half the lengths of the sound-insulating sheets a116 and B117, so as to butt the sound-insulating sheets a116 and B117, after the sound-insulating sheets a116 and B117 are inserted into each other, not only can a multi-layer noise reduction structure be formed in the noise reduction cavity 113, but also the inner shell 112 is effectively prevented from axially rotating in the outer shell 111.

In order to further promote noise reduction effect the utility model discloses equal spraying has the sound absorbing coating on the both sides face of septum sound piece A116 and septum sound piece B117, and sound absorbing coating is not being repeated once more for prior art.

More in detail, the utility model discloses well locking subassembly is including offering at least a set of recess on the shell 111 side, and the inboard of recess is provided with an elasticity card 119, and elasticity card 119's hook portion can butt in the outside border of inner shell 112, carries out spacing locking to inner shell 112 through the elasticity card 119 that sets up and can effectively avoid inner shell 112 from shell 111 roll-off, and secondly elasticity card 119 can shell 111 integrated into one piece.

The utility model discloses in give sound insulation and fall the noise through adopting the design of double-deck shell form, simultaneously, through docking the back with sound insulation piece A116 and sound insulation piece B117 on shell 111 and the inner shell 112, not only can fall and fall the intracavity 113 formation multilayer of making an uproar and fall the structure of making an uproar, and effectually avoid the inner shell 112 to take place the axial rotation in shell 111, it is more outstanding to fall the ability of making an uproar, for the mode with the help of outside sound-proof housing among the prior art, the utility model discloses not only optimized the product structure, and can effectually handle the source of a noise, the assembly type design is convenient for produce the equipment, and the effectual processing cost that falls of making an uproar that has reduced the motor.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a motor with mechanism of making an uproar falls, includes frame subassembly (1), is located stator and rotor mechanism (2) of frame subassembly (1) inboard at least, its characterized in that: the stand component (1) comprises a shell component (11) and cover plates (12) positioned at two open ends of the shell component (11);

the noise reduction device comprises a shell assembly (11) and a noise reduction assembly, wherein the shell assembly comprises an outer shell (111) and an inner shell (112), a noise reduction cavity (113) is formed between the outer shell (111) and the inner shell (112), and the noise reduction assembly is arranged on the inner side of the noise reduction cavity (113);

the locking device further comprises a locking assembly, wherein the locking assembly is positioned between the outer shell (111) and the inner shell (112) so as to fix the inner shell (112) in the outer shell (111) through the locking assembly.

2. The motor having a noise reducing mechanism according to claim 1, wherein: the inner side end of the outer shell (111) is provided with a retaining ring (114) extending towards the circle center, the outer peripheral surface of the inner shell (112) is provided with a sealing ring (115) extending away from the circle center, and the two opening ends of the noise reduction cavity (113) are covered and shielded by the retaining ring (114) and the sealing ring (115).

3. A motor having a noise reducing mechanism according to claim 2, wherein: the noise reduction assembly comprises sound insulation sheets A (116) circumferentially distributed on the retainer ring (114) and sound insulation sheets B (117) circumferentially distributed on the outer peripheral surface of the inner shell (112), and the sound insulation sheets A (116) and the sound insulation sheets B (117) can be in contact with each other.

4. A motor having a noise reducing mechanism according to claim 3, wherein: the cross section of sound insulation piece A (116) is Z type structure, sound insulation piece B (117) is platelike structure, slot (118) have all been seted up on the terminal surface of sound insulation piece A (116) and sound insulation piece B (117), and sound insulation piece A (116) and sound insulation piece B (117) are through slot (118) grafting cooperation.

5. The motor having a noise reducing mechanism according to claim 4, wherein: and sound absorption coatings are sprayed on the two side surfaces of the sound insulation sheet A (116) and the sound insulation sheet B (117).

6. The motor having a noise reducing mechanism according to claim 1, wherein: the locking subassembly is including offering at least a set of recess on shell (111) side, the inboard of recess is provided with an elasticity card (119), the pothook portion of elasticity card (119) can butt in the outside border of inner shell (112).