CN221009931U

CN221009931U - Low-noise starter

Info

Publication number: CN221009931U
Application number: CN202322681354.4U
Authority: CN
Inventors: 赖灿荣; 贾挺荣
Original assignee: Zhejiang Ruishen Auto Parts Co ltd
Current assignee: Zhejiang Ruishen Auto Parts Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-05-24
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to the technical field of starters, in particular to a low-noise starter which comprises a shell, wherein a first cavity is formed in the shell, a motor is arranged in the first cavity, two second cavities are formed in the shell, sound absorbing materials are arranged in the two second cavities, two third cavities are formed in the shell, a plurality of first through holes are formed in the surfaces of two sides of the shell, a plurality of second through holes are formed in the inner walls of two sides of the shell, a plurality of sound insulation rings are arranged in the third cavities, and a plurality of third through holes are formed in the surfaces of the sound insulation rings. The sound insulation ring provided by the utility model can not only finish the consumption of sound waves, but also ensure the heat dissipation function of the starter. The sound absorbing material and the sound insulation ring play a role in blocking the sound transmission path, and achieve the effect of low noise.

Description

Low-noise starter

Technical Field

The utility model relates to the technical field of starters, in particular to a low-noise starter.

Background

The starter is called a motor, and the starter is used for converting electric energy into kinetic energy when a key is hit to a starting position, so that an engine is started, and the starter converts electric energy of a storage battery into mechanical energy to drive an engine flywheel to rotate so as to realize the starting of the engine. The starter is classified into a direct current starter, a gasoline starter, a compressed air starter, etc. according to the working principle.

For example, the authorized bulletin number CN217682058U is named as a low-noise starter, the iron ring arranged on the peripheral wall of the gear ring is a stamping part, so that the swing of the output shaft in rotation is greatly reduced, meanwhile, the friction force in transmission and the absorption of tiny vibration can be further reduced by adding lubricating grease between the first planetary gear and the second planetary gear, and thus, although the effects of reasonable and reliable structure and low noise are achieved, due to the long-time abrasion of the gears, the difference in production and the necessary friction in the transmission process, noise is generated, and no measures are taken in the transmission way of the sound.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a low-noise starter.

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

The utility model provides a design low noise starter, includes the shell, the inside first cavity that is equipped with of shell, the inside motor that is equipped with of first cavity, the inside two second cavities that are equipped with of shell, two the second cavity sets up respectively in the top and the below of first cavity, two the inside sound material that inhales that all is equipped with of second cavity, the inside two third cavities that are equipped with of shell, two the third cavity sets up respectively in the both sides of first cavity, shell both sides surface is equipped with a plurality of first through-holes, shell both sides inner wall is equipped with a plurality of second through-holes, the inside a plurality of sound insulation rings that are equipped with of third cavity, a plurality of sound insulation ring surface all is equipped with a plurality of third through-holes.

Preferably, the cross section of a plurality of the sound insulation ring is regular polygon, a plurality of the sound insulation ring is inside all to be equipped with first inhale the sound cotton, and a plurality of inhale the sound cotton surface all is equipped with the fourth through-hole, fourth through-hole and third through-hole intercommunication.

Preferably, a plurality of first through holes are all provided with dustproof nets inside.

Preferably, the first through holes are all arranged obliquely downwards in the direction from inside to outside, and the second through holes are all arranged obliquely downwards in the direction from the first cavity to the third cavity.

Preferably, both the sound absorbing materials are sound-insulating rubber.

Preferably, the four corners of the inner wall of the first cavity are provided with second sound absorbing cotton.

The low-noise starter provided by the utility model has the beneficial effects that: the sound-absorbing material is arranged, and can consume sound waves completely, so that the sound waves cannot be transmitted; the sound insulation ring that sets up not only can finish the sound wave consumption, can also guarantee the heat dissipation function of starter. The sound absorbing material and the sound insulation ring play a role in blocking the sound transmission path, and achieve the effect of low noise.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

fig. 3 is an enlarged schematic view of a of the present utility model.

In the figure: the sound-absorbing shell comprises a shell 1, a first cavity 2, a motor 3, a second cavity 4, a third cavity 5, a first through hole 6, a second through hole 7, a sound-insulating ring 8, a third through hole 9, first sound-absorbing cotton 10, a fourth through hole 11, a dust screen 12 and second sound-absorbing cotton 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a low noise starter, including shell 1, shell 1 is inside to be equipped with first cavity 2, and first cavity 2 is inside to be equipped with motor 3, and shell 1 is inside to be equipped with two second cavities 4, and two second cavities 4 set up respectively in the top and the below of first cavity 2, and two second cavities 4 are inside to be equipped with and inhale sound material, and two inhale sound material and all are sound insulation rubber, can accomplish the sound wave consumption, make it can not spread.

The inside two third cavitys 5 that are equipped with of shell 1, two third cavitys 5 set up respectively in the both sides of first cavity 2, shell 1 both sides surface is equipped with a plurality of first through-holes 6, a plurality of first through-holes 6 are by inside outside direction slope downwardly set, shell 1 both sides inner wall is equipped with a plurality of second through-holes 7, a plurality of second through-holes 7 are by first cavity 2 to the direction slope downwardly set of third cavity 5, can prevent that mosquito and dust from entering into inside the starter, a plurality of first through-holes 6 are inside all to be equipped with dust screen 12, can be further prevent that mosquito and dust from entering into inside the starter.

The inside a plurality of sound-proof rings 8 that are equipped with of third cavity 5, a plurality of sound-proof rings 8 surface all is equipped with a plurality of third through holes 9, the cross-section of a plurality of sound-proof rings 8 is regular polygon, regular polygon is convenient for arrange the combination, make things convenient for production and manufacture, a plurality of sound-proof rings 8 are inside all to be equipped with first sound-absorbing cotton 10, a plurality of sound-absorbing cotton 10 surface all is equipped with fourth through hole 11, fourth through hole 11 and third through hole 9 intercommunication, the four corners department of first cavity 2 inner wall is equipped with the second and inhales sound cotton 13, when the sound wave passes the corner, can be consumed, play preliminary effect of making an uproar falls, the sound wave passes through a plurality of sound-proof rings 8, the energy of sound wave is consumed through a plurality of collisions, until the consumption finishes, the heat that the motor produced can be smooth the arranging outside, both guaranteed the heat dissipation function of starter, also can satisfy the demand of making an uproar.

Working principle: when the starter motor 3 is started, generated noise can be transmitted outwards through the inner wall of the shell 1, and when the noise is transmitted to the second cavity 4, the sound wave can be consumed completely and cannot be transmitted out due to the arrangement of the sound absorbing material; when the sound-proof ring 8 is propagated, a part of energy of sound waves is firstly consumed, then the sound waves enter the first sound-absorbing cotton 10, the sound waves are further consumed, and the energy of the sound waves is consumed through multiple collisions, so that the effect of noise reduction is achieved. The heat generated by the starter passes through the second through hole 7, then passes through the fourth through hole 11 and the third through hole 9, and finally reaches the outside of the starter through the first through hole 6, so that the heat dissipation effect is achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a low noise starter, includes shell (1), the inside first cavity (2) that is equipped with of shell (1), the inside motor (3) that is equipped with of first cavity (2), a serial communication port, the inside two second cavities (4) that are equipped with of shell (1), two second cavities (4) set up respectively in the top and the below of first cavity (2), two the inside sound material that inhales that all is equipped with of second cavity (4), the inside two third cavities (5) that are equipped with of shell (1), two third cavities (5) set up respectively in the both sides of first cavity (2), shell (1) both sides surface is equipped with a plurality of first through-holes (6), shell (1) both sides inner wall is equipped with a plurality of second through-holes (7), third cavity (5) are inside to be equipped with a plurality of sound insulation ring (8), a plurality of sound insulation ring (8) surface all are equipped with a plurality of third through-holes (9).

2. The low-noise starter according to claim 1, wherein the cross sections of the sound-insulating rings (8) are regular polygons, first sound-absorbing cottons (10) are arranged inside the sound-insulating rings (8), fourth through holes (11) are formed in the surfaces of the sound-absorbing cottons (10), and the fourth through holes (11) are communicated with the third through holes (9).

3. A low noise starter according to claim 1, wherein a plurality of said first through holes (6) are each provided with a dust screen (12) inside.

4. A low noise starter according to claim 1, wherein a plurality of said first through holes (6) are each provided obliquely downward in an inside-out direction, and a plurality of said second through holes (7) are each provided obliquely downward in a direction from the first cavity (2) to the third cavity (5).

5. The low noise starter according to claim 1, wherein two of the sound absorbing materials are sound insulating rubber.

6. A low noise starter according to claim 1, characterized in that the four corners of the inner wall of the first cavity (2) are provided with second sound absorbing cotton (13).