CN210806942U - Motor housing capable of reducing noise - Google Patents

Abstract

The utility model discloses a motor housing capable of reducing noise, which relates to the technical field of motor accessories and aims to solve the technical problem that the motor housing in the prior art can not weaken the vibration generated by a motor body and the noise generated by the vibration when fixing a motor; two supporting blocks are arranged on the outer side wall of the shell barrel and positioned at the lower end of the shell barrel, the outer side wall of one end, far away from the shell barrel, of each supporting block is connected with a supporting tube in a sliding mode respectively, and the outer side walls of the supporting blocks are attached to the inner side walls of the supporting tubes; a spring is respectively arranged on the end surface of each supporting block positioned in the supporting pipe, and one end of each spring, which is far away from the supporting block, is welded with the bottom wall of the supporting pipe; the supporting shoe slides from top to bottom along the stay tube inside wall under the elastic action to realize weakening the shaking force when firm support motor body, noise reduction.

Description

Motor housing capable of reducing noise

Technical Field

The utility model relates to a motor accessories technical field, more specifically say, it relates to a motor housing of noise reduction.

Background

The motor is an electromagnetic device for finding electric energy conversion or transmission according to the electromagnetic induction law, has the main function of generating driving torque and is a power source of electric appliances and various mechanical equipment; the motor comprises a shell and a rotor, wherein a stator is fixed on the inner wall of the shell of the motor, the rotor is embedded in the stator in a clamping manner, and the rotor drives the rotating shaft to rotate after being electrified to finish power output.

The prior Chinese patent with the publication number of CN207304221U discloses a motor shell, which comprises a cylindrical shell barrel, a front cover and a rear cover, wherein the front cover and the rear cover are positioned on two end faces of the shell barrel; two bottom plates are arranged on the outer side wall of the shell and positioned at the lower end of the outer side wall, and each bottom plate is respectively provided with a fixing hole for inserting a screw in a penetrating way along the thickness direction; the motor body is fixed on the operation plane through the screws, and heat generated in the operation process of the motor is released through the radiating fins on the outer side of the motor shell.

However, in the motor housing of the prior art, the motor is generally fixed on the operation platform by rigid fixing parts such as screws, and the like, and when the motor works, vibration is generated, and the vibration force is directly transmitted to the operation plane through the fixing parts such as screws, so that the operation plane vibrates along with the motor, and thus, larger noise is generated, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a motor housing of noise reduction, its conduction that has the vibrations power, noise reduction's advantage.

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

a motor shell capable of reducing noise comprises a shell barrel, a front cover and a rear cover, wherein the front cover and the rear cover are positioned at two ends of the shell barrel; two supporting blocks are arranged on the outer side wall of the shell barrel and positioned at the lower end of the shell barrel, the outer side wall of one end, far away from the shell barrel, of each supporting block is connected with a supporting tube in a sliding mode respectively, and the outer side walls of the supporting blocks are attached to the inner side walls of the supporting tubes; and a spring is respectively arranged on the end surface of each supporting block in the supporting pipe, and one end of each spring, which is far away from the supporting block, is welded with the bottom wall of the supporting pipe.

Through adopting above-mentioned technical scheme, realize the firm support to the motor through the supporting shoe of motor housing both sides, the supporting shoe receives spring force to slide from top to bottom to weaken the vibrations that the motor during operation produced, improve motor housing's anti-seismic performance, thereby reduce the noise that produces by motor vibrations.

Furthermore, arc-shaped binding surfaces are respectively arranged on the end surfaces of the supporting blocks connected with the shell.

Through adopting above-mentioned technical scheme, increase the area of contact between supporting shoe and the shell section of thick bamboo, strengthen support stability.

Furthermore, each end face, connected with the spring, of each supporting block is provided with a sliding plate, the upper end face of each supporting tube is provided with a limiting plate, and the upper surface of each sliding plate is abutted to the limiting plate.

Through adopting above-mentioned technical scheme, inject the glide distance of supporting shoe, prevent that the supporting shoe from receiving the spring action and roll off the stay tube.

Furthermore, an anti-collision concave surface is respectively arranged on the upper end surface of each supporting tube and on one side close to the shell.

Through adopting above-mentioned technical scheme, when preventing that the shell from following supporting shoe downstream, lateral wall and stay tube bump and cause the shell to damage under the shell.

Furthermore, each anti-collision concave surface is provided with a rubber cushion layer.

Through adopting above-mentioned technical scheme, further protect the shell, produce wearing and tearing when preventing that shell and stay tube from touching.

Further, a buffer cavity is arranged inside the rubber cushion layer.

By adopting the technical scheme, the buffer cavity is arranged in the rubber cushion layer to further reduce the hardness of the rubber cushion layer, so that the buffer effect of the collision between the shell and the supporting tube is improved.

Furthermore, the lower end of each supporting tube and the side far away from the shell cylinder are respectively and rotatably connected with a fixing plate through a pin, and each fixing plate is respectively provided with a fixing hole for inserting a screw.

Through adopting above-mentioned technical scheme, when needs fix the motor on operation plane, rotate the fixed plate, make the fixed plate level place on operation plane to fix the fixed plate on operation plane through the screw, in order to realize the fixed mounting to the motor.

Furthermore, the upper surface of the fixed plate is provided with an adsorption iron sheet, and the outer side wall of each supporting tube is provided with a magnet sheet which is magnetically attracted with the adsorption iron sheet.

Through adopting above-mentioned technical scheme, when need not install the fixed plate on the operation plane, accessible magnet piece and the solid mode of absorption piece magnetism absorption fix the fixed plate on the lateral wall of stay tube.

To sum up, the utility model discloses following beneficial effect has:

1. the motor is stably supported by the supporting blocks on the two sides of the motor shell, and the supporting blocks slide up and down under the elastic force of the spring, so that the vibration generated when the motor works is weakened, the anti-seismic performance of the motor shell is improved, and the noise generated by the vibration of the motor is reduced;

2. when the motor needs to be fixed on the operation plane, the fixing plate is rotated to be horizontally placed on the operation plane, and the fixing plate is fixed on the operation plane through the screws, so that the motor is fixedly installed.

Drawings

FIG. 1 is a schematic structural diagram of a motor casing for reducing noise according to an embodiment;

FIG. 2 is a schematic structural diagram illustrating a positional relationship between the support block and the support tube in the embodiment;

FIG. 3 is a schematic diagram of an embodiment for embodying the external structure of the support tube;

fig. 4 is a schematic diagram for showing the internal structure of the rubber pad layer in the embodiment.

In the figure: 1. a motor body; 2. an operation plane; 3. a shell; 4. a front cover; 5. a rear cover; 7. A heat sink; 8. a support block; 9. an arc-shaped binding surface; 10. supporting a tube; 11. a slide plate; 12. a limiting plate; 13. a spring; 14. an anti-collision concave surface; 15. a rubber cushion layer; 16. a buffer cavity; 17. a fixing plate; 18. adsorbing iron sheets; 19. a fixing hole; 20. and a magnet piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a motor casing capable of reducing noise, referring to fig. 1 and 2, a motor body 1 is placed on an operation plane 2 and comprises a cylindrical shell 3, a circular front cover 4 and a circular rear cover 5, wherein the circular front cover 4 and the circular rear cover 5 are positioned at two ends of the shell 3, and the front cover 4 and the rear cover 5 are fixedly connected with the shell 3 through screws; the outer side wall of the shell barrel 3 is uniformly welded with radiating fins 7 made of aluminum alloy materials along the circumferential direction of the shell barrel, and the length of each radiating fin 7 is consistent with the axial length of the shell barrel 3; two supporting blocks 8 are welded at the lower side of the shell barrel 3, and the length of each supporting block 8 is consistent with the axial length of the shell barrel 3; the end faces of each supporting block 8 connected with the shell barrel 3 are respectively provided with an arc-shaped binding face 9 so as to increase the contact area between the supporting block 8 and the shell barrel 3 and improve the supporting stability of the supporting block 8 to the shell barrel 3.

Referring to fig. 2 and 3, the outer side wall of one end of each support block 8, which is far away from the shell 3, is slidably connected with a rectangular support tube 10, and the outer side wall of each support block 8 is attached to the inner side wall of the support tube 10; the end surface of each supporting block 8 positioned inside the supporting tube 10 is respectively welded with a sliding plate 11, the upper end surface of each supporting tube 10 is respectively welded with a limiting plate 12, and the limiting plates 12 are integrally formed with the supporting tubes 10 and abut against the upper surfaces of the sliding plates 11; a spring 13 is respectively connected between each sliding plate 11 and the bottom wall of the corresponding supporting pipe 10, one end of each spring 13 is welded on the lower surface of the corresponding sliding plate 11, and the other end of each spring 13 is welded on the inner bottom wall of the corresponding supporting pipe 10; the supporting block 8 slides up and down along the inner side wall of the supporting tube 10 under the elastic action of the spring 13, and can weaken the conduction of vibration force generated in the working process of the motor, so that the vibration resistance of the motor shell 1 is improved, and the noise generated by vibration is reduced.

Referring to fig. 3 and 4, an anti-collision concave surface 14 is provided on an upper end surface of each support pipe 10 and on a side close to the shell 3, respectively, to prevent the shell 3 from colliding with the support pipes 10 when moving downward with the support blocks 8 and causing damage to the shell; each anti-collision concave surface 14 is respectively adhered with a rubber cushion layer 15, and a buffer cavity 16 is respectively arranged inside each rubber cushion layer 15 so as to reduce the hardness of the anti-collision concave surface 14 and play a role in buffering when the shell 3 touches the anti-collision concave surface 14.

Referring to fig. 3 and 4, the lower end of each support tube 10 and the side wall far from the shell 3 are respectively connected with a fixing plate 17 through a pin in a rotating manner, the upper surface of each fixing plate 17 is respectively provided with a fixing hole 19 in a penetrating manner, the fixing plate 17 is rotated along the pin, so that the fixing plate 17 is horizontally placed on the operation plane 2, and the motor body 1 is stably installed on the operation plane 2 by inserting a screw into the fixing hole 19; an adsorption iron sheet 18 is adhered to the upper surface of each fixing plate 17, and a magnet sheet 20 is adhered to the side wall of each support tube 10 facing the fixing plate 17, so that when the motor body 1 is not required to be fixedly mounted on the operation plane 2, the fixing plate 17 can be rotated along the pin to magnetically adsorb the magnet sheet 20 and the adsorption iron sheet 18, thereby fixing the fixing plate 17 on the side wall of the support plate 10.

The working principle is as follows:

when the motor body 1 needs to be fixedly installed on the operation plane 2, firstly, the fixing plate 17 is rotated along the pin and is horizontally placed on the operation plane 2, and a bolt is inserted into the fixing hole 19 to install and fix the motor body 1 on the operation plane 2; then the motor body 1 is started to work normally, in the working process of the motor body 1, heat generated by the motor body is dissipated through the radiating fins 7, and when the motor body 1 works to generate vibration, the supporting blocks 8 slide up and down along the supporting pipes 10 to weaken the vibration force, so that noise generated by vibration of the motor body 1 is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a motor housing of noise abatement, includes shell (3) and is located protecgulum (4) and hou gai (5) at shell (3) both ends, shell (3) lateral wall evenly is provided with fin (7), its characterized in that along its circumference: two supporting blocks (8) are arranged on the outer side wall of the shell barrel (3) and positioned at the lower end of the shell barrel (3), a supporting tube (10) is connected to the outer side wall of one end, far away from the shell barrel (3), of each supporting block (8) in a sliding mode respectively, and the outer side walls of the supporting blocks (8) are attached to the inner side walls of the supporting tubes (10); each supporting block (8) is provided with a spring (13) on the end surface inside the supporting tube (10), and one end, far away from the supporting block (8), of each spring (13) is welded with the bottom wall of the supporting tube (10).

2. The motor housing of claim 1, wherein: and arc-shaped binding surfaces (9) are respectively arranged on the end surfaces of the supporting blocks (8) connected with the shell barrel (3).

3. The motor housing of claim 1, wherein: each end face, connected with the spring (13), of the support block (8) is provided with a sliding plate (11), the upper end face of the support pipe (10) is provided with a limiting plate (12), and the upper surface of the sliding plate (11) is abutted to the limiting plate (12).

4. The motor housing of claim 1, wherein: an anti-collision concave surface (14) is respectively arranged on the upper end surface of each supporting tube (10) and one side close to the shell (3).

5. The motor housing of claim 4, wherein: each anti-collision concave surface (14) is provided with a rubber cushion layer (15).

6. The motor housing of claim 5, wherein: a buffer cavity (16) is arranged in the rubber cushion layer (15).

7. The motor housing of claim 1, wherein: the lower end of each supporting tube (10) is located on one side far away from the shell barrel (3) and is respectively and rotatably connected with a fixing plate (17) through a pin, and each fixing plate (17) is respectively provided with a fixing hole (19) for inserting a screw.

8. The motor housing of claim 7, wherein: and the upper surface of the fixing plate (17) is provided with an adsorption iron sheet (18), and the outer side wall of each supporting tube (10) is respectively provided with a magnet sheet (20) which is magnetically attracted with the adsorption iron sheet (18).

Images