CN211405757U

CN211405757U - Low-noise motor for electric bicycle

Info

Publication number: CN211405757U
Application number: CN202020384988.7U
Authority: CN
Inventors: 冯汝生
Original assignee: Nantong Gemma Electric Co ltd
Current assignee: Nantong Gemma Electric Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-09-01
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a motor for low noise electric bicycle, which solves the problems that the existing motor for electric bicycle has large noise when in use, the motor has no good dustproof and protective measures, the motor is easy to damage and is not beneficial to the installation and use of the motor, the motor comprises a motor body, a shell is arranged on the outer side of the motor body, a sealing cover is arranged at the top end of the shell through a hinge, an air inlet shell is arranged at the middle part of one side of the shell, an air outlet shell is arranged at the middle part of the other side of the shell, an air inlet is arranged at the position of the shell corresponding to the air inlet shell, soundproof cotton is arranged at the inner side of the shell and at the bottom of the sealing cover, a ventilating fan is arranged at the middle part of the air outlet shell, exhaust ports are arranged at both sides of the ventilating fan, and a mounting seat, the radiating effect is good, can carry out better dustproof and protection to the casing simultaneously.

Description

Low-noise motor for electric bicycle

Technical Field

The utility model relates to a motor specifically is motor for low noise electric bicycle.

Background

An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle.

The existing motor of the electric bicycle has high noise when in use, the motor does not have good dustproof and protective measures, and the motor is easy to damage and is not beneficial to the installation and use of the motor.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a motor for low noise electric bicycle, the effectual noise when having solved current electric bicycle motor and using is big, and the motor does not have fine dustproof and safeguard measure, and the motor fragile is unfavorable for the problem of the installation use of motor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a motor body, casing, shaft hole, installation erbium, first bolt hole, hinge, sealed lid, the shell that admits air, exhaust shell, dust screen, air inlet, soundproof cotton, scavenger fan, gas vent, mount pad, bolt, motor, pivot and second bolt hole, motor body's the outside is provided with the casing, and the shaft hole has been seted up at the middle part of casing one side, and there is sealed lid on the top of casing through hinged mounting, and the middle part of casing one side is provided with the shell that admits air, and the middle part of casing opposite side is provided with the exhaust shell, and the air inlet has been seted up to the position department that the casing corresponds the shell that admits air, and the inboard bottom with sealed lid of casing all is provided with soundproof cotton, and the mid-mounting of exhaust shell has the scavenger fan, and the gas vent has all.

Preferably, four corners of the bottom end of the shell are welded with installation baits, and the middle of each installation bait is provided with a first bolt hole.

Preferably, the middle parts of one ends of the air inlet shell and the air exhaust shell are respectively provided with a dust screen.

Preferably, the mounting seat is provided with a second bolt hole corresponding to the bolt.

Preferably, one end of the sealing cover is fixed by a bolt.

Preferably, one side of the exhaust shell is provided with a control switch, and the control switch is electrically connected with the ventilator.

Has the advantages that: the utility model discloses during the use, install the motor on the mount pad through the bolt, fix the sealed lid through the bolt again, install the installation erbium of casing in the position department that needs the installation through the bolt again, can accomplish the installation, the pivot is pegged graft and is carried out the transmission in the shaft hole, when using simultaneously, the scavenger fan work is discharged the gas in the casing by the gas vent, atmospheric pressure in the casing diminishes like this, outside gas can enter the inside of casing through the air inlet, can spread the heat in the casing like this, be convenient for the heat dissipation of motor, the soundproof cotton that casing and sealed lid inboard set up can adsorb the noise that the motor produced, can effectively fall the noise, the motor is installed in the casing simultaneously, can carry out better dustproof and protection to the casing, be favorable to improving the life of motor, the utility model discloses novel structure thinks about ingeniously, soundproof cotton that casing and sealed lid inboard set up can adsorb the noise that the motor produced, can effectually fall and make an uproar, the radiating effect is good, can carry out better dustproof and protection to the casing simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is a schematic view of the dust screen of the present invention;

reference numbers in the figures: 1. a motor body; 2. a housing; 3. a shaft hole; 4. installing erbium; 5. a first bolt hole; 6. a hinge; 7. A sealing cover; 8. an air inlet housing; 9. an exhaust shell; 10. a dust screen; 11. an air inlet; 12. sound insulation cotton; 13. a ventilator; 14. An exhaust port; 15. a mounting seat; 16. a bolt; 17. a motor; 18. a rotating shaft; 19. a second bolt hole.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Embodiment one, given by fig. 1-3, the utility model provides a motor for a low-noise electric bicycle, which comprises a motor body 1, a housing 2, a shaft hole 3, an installation bait 4, a first bolt hole 5, a hinge 6, a sealing cover 7, an air inlet housing 8, an air exhaust housing 9, a dust screen 10, an air inlet 11, soundproof cotton 12, a ventilation fan 13, an air exhaust port 14, a mounting seat 15, a bolt 16, a motor 17, a rotating shaft 18 and a second bolt hole 19, wherein the housing 2 is arranged on the outer side of the motor body 1, the shaft hole 3 is formed in the middle of one side of the housing 2, the sealing cover 7 is installed on the top end of the housing 2 through the hinge 6, the air inlet housing 8 is arranged in the middle of one side of the housing 2, the air exhaust housing 9 is arranged in the middle of the other side of the housing 2, the air inlet 11 is formed in the position, the middle part of the exhaust shell 9 is provided with a ventilator 13, the two sides of the ventilator 13 are both provided with exhaust ports 14, a mounting seat 15 on the inner side of the shell 2 is provided with a motor 17 through a bolt 16, and the middle part of one side of the motor 17 is provided with a rotating shaft 18.

The four corners of 2 bottoms of casing all weld and have installation erbium 4, and first bolt hole 5 has been seted up at the middle part of installation erbium 4, is convenient for fix casing 2.

The middle parts of one ends of the air inlet shell 8 and the air exhaust shell 9 are respectively provided with a dustproof net 10, so that the air inlet shell 8 and the air exhaust shell 9 are conveniently prevented from dust.

The mounting seat 15 is provided with a second bolt hole 19 corresponding to the bolt 16 for mounting and fixing.

One end of the sealing cover 7 is fixed through a bolt, so that the sealing cover 7 is convenient to install and fix.

And a control switch is arranged on one side of the exhaust shell 9 and is electrically connected with the ventilator 13, so that the control of signals is facilitated.

The working principle is as follows: when the utility model is used, the motor 17 is arranged on the mounting seat 15 through the bolt 16, the sealing cover 7 is fixed through the bolt, the mounting bait 4 of the shell 2 is arranged at the position needing to be mounted through the bolt, the installation can be completed, the rotating shaft 18 is inserted in the shaft hole 3 for transmission, and when the air exchange fan is used, the air in the shell 2 is discharged from the exhaust port 14 by the work of the air exchange fan 13, thus, the air pressure in the housing 2 becomes small, and the external air enters the inside of the housing 2 through the air inlet 11, therefore, the heat in the shell 2 can be transferred out, the heat dissipation of the motor 17 is convenient, the sound insulation cotton 12 arranged on the inner sides of the shell 2 and the sealing cover 7 can absorb the noise generated by the motor 17, the noise can be effectively reduced, meanwhile, the motor 17 is arranged inside the shell 2, so that the shell 2 can be well dustproof and protected, and the service life of the motor 17 is prolonged.

Has the advantages that: the utility model discloses novel structure, the design is ingenious, and the soundproof cotton 12 of casing 2 and the sealed 7 inboard settings of lid can adsorb the noise that motor 17 produced, can effectually fall and make an uproar, and the radiating effect is good, can carry out better dustproof and protection to casing 2 simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Low noise is motor for electric bicycle, including motor body (1), casing (2), shaft hole (3), installation erbium (4), first bolt hole (5), hinge (6), sealed lid (7), admit air shell (8), exhaust shell (9), dust screen (10), air inlet (11), soundproof cotton (12), scavenger fan (13), gas vent (14), mount pad (15), bolt (16), motor (17), pivot (18) and second bolt hole (19), its characterized in that: the motor is characterized in that a shell (2) is arranged on the outer side of the motor body (1), a shaft hole (3) is formed in the middle of one side of the shell (2), a sealing cover (7) is installed at the top end of the shell (2) through a hinge (6), an air inlet shell (8) is arranged in the middle of one side of the shell (2), an air outlet shell (9) is arranged in the middle of the other side of the shell (2), an air inlet (11) is formed in the position, corresponding to the air inlet shell (8), of the shell (2), soundproof cotton (12) is arranged on the inner side of the shell (2) and the bottom of the sealing cover (7), a ventilation fan (13) is installed in the middle of the air outlet shell (9), exhaust ports (14) are formed in the two sides of the ventilation fan (13), a motor (17) is installed on an installation seat (.

2. The motor for the low-noise electric bicycle according to claim 1, wherein four corners of the bottom end of the housing (2) are welded with mounting baits (4), and a first bolt hole (5) is formed in the middle of the mounting baits (4).

3. The motor for a low noise electric bicycle according to claim 1, wherein a dust screen (10) is installed at the middle of one end of each of the intake case (8) and the exhaust case (9).

4. The motor for the low noise electric bicycle according to claim 1, wherein the mounting seat (15) is provided with a second bolt hole (19) corresponding to the bolt (16).

5. The motor for a low noise electric bicycle according to claim 1, wherein one end of the sealing cover (7) is fixed by a bolt.

6. The motor for the low-noise electric bicycle according to claim 1, wherein a control switch is installed at one side of the exhaust casing (9), and the control switch is electrically connected with the ventilation fan (13).