CN217271759U

CN217271759U - Motor pinion with noise reduction function

Info

Publication number: CN217271759U
Application number: CN202220148702.4U
Authority: CN
Inventors: 程凌; 戴雪琴; 卢勇洁
Original assignee: Changzhou Enhui Metal New Material Co ltd
Current assignee: Changzhou Enhui Metal New Material Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-23
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a motor pinion with noise reduction, which comprises a gear disc, wherein the outer edge of the gear disc is provided with gear teeth, the gear disc is provided with a noise reduction device and a lubricating device, the noise reduction device comprises mounting holes, soundproof cotton and press plates, the mounting holes and the soundproof cotton are respectively provided with a plurality of mounting holes which are arranged along the circumferential equidistance interval of the gear disc, the soundproof cotton is arranged in the mounting holes, the press plates are provided with two and respectively arranged at the two sides of the gear disc and detachably connected with the gear disc through screws, the lubricating device comprises a lubricating groove, an oil outlet and a fixed plate, the oil outlet is provided with a plurality of oil outlets which are respectively arranged on the gear teeth, the noise reduction of the pinion can be realized by arranging the soundproof cotton, the soundproof cotton can be fixed by arranging the press plates, preventing it from falling out of the mounting hole during rotation.

Description

Motor pinion with noise reduction function

Technical Field

The utility model relates to a motor gear technical field specifically is a motor pinion with it makes an uproar to fall.

Background

Gears were the most common transmission components, which were first introduced at the end of the 19 th century. At present, gears are widely applied to various mechanical transmissions, especially to mechanical transmissions of automobiles. However, as the living water quality of people increases, people put higher demands on the quietness of automobiles. As described above, whether or not a gear can have low noise as a main component of an automobile transmission is a subject of great attention by automobile manufacturers.

Patent No. CN201610663814.2 discloses a noise reduction gear, in this patent, noise is reduced by soundproof cotton, but soundproof cotton easily falls from soundproof holes when rotating at high speed, which affects normal operation of the device; in addition, only use soundproof cotton to fall the words of making an uproar, the noise reduction effect is relatively poor, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides a motor pinion with fall and make an uproar to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a motor pinion with it makes an uproar to fall, includes the toothed disc, and the outer fringe of toothed disc is equipped with the teeth of a cogwheel, be equipped with on the toothed disc and fall device and lubricating arrangement of making an uproar, it includes mounting hole, soundproof cotton and clamp plate to fall the device of making an uproar, mounting hole and soundproof cotton all are provided with a plurality of, and a plurality of the circumference equidistance interval that the toothed disc was all followed to the mounting hole sets up, soundproof cotton sets up in the mounting hole, the clamp plate is provided with two, and sets up respectively the both sides of toothed disc, and pass through screw detachably with the toothed disc and connect, lubricating arrangement includes lubrication groove, oil outlet and fixed plate, the oil outlet is provided with a plurality of, and sets up respectively on the teeth of a cogwheel, the lubrication groove sets up on the toothed disc, fixed plate and toothed disc fixed connection, and be equipped with the oil filler point on the fixed plate.

Preferably, be equipped with the leak protection stopper in the oil filler point, be equipped with the limiting plate on the leak protection stopper, limiting plate and toothed disc pass through bolt detachably and connect. It is possible to facilitate the injection of lubricating oil into the lubrication groove.

In a further preferred aspect, a reinforcing plate is provided in the lubrication groove, and the reinforcing plate is provided with a communication hole. The strength of the gear plate can be improved, and the lubricating oil can flow conveniently by arranging the communicating hole.

In a further preferred mode, the gear plate is provided with a groove, the fixing plate is arranged in the groove, and the upper surface of the fixing plate and the surface of the gear plate are coplanar. The installation of the fixing plate and the gear plate can be facilitated, and the fixing plate and the gear plate do not protrude from the gear plate after installation.

Preferably, the gear plate is provided with a first through hole, the two pressing plates are provided with a second through hole matched with each other, and the first through hole and the second through hole are connected through a bolt. The pressing plate and the gear plate can be conveniently connected and fixed.

In a further preferred aspect, the gear plate is provided with a spindle hole, and the spindle hole is provided with a key groove. The gear disc can be conveniently connected with the main shaft or the driven shaft.

In a further preferred mode, a communication groove is formed in the position, corresponding to the gear teeth, of the lubricating groove, and the communication groove is communicated with the oil outlet hole. The oil outlet hole and the lubricating groove can be conveniently communicated.

(III) advantageous effects

Compared with the prior art, the utility model provides a motor pinion with make an uproar falls possesses following beneficial effect:

1. the utility model can reduce noise of the pinion by arranging the soundproof cotton, and can fix the soundproof cotton by arranging the pressing plate to prevent the soundproof cotton from falling out of the mounting hole in the rotating process;

2. the utility model discloses in through setting up lubricating arrangement, can improve the lubrication degree between the engaged gear and the toothed disc when rotating, can make the transmission more steady, and then realize further making an uproar, improve the noise reduction effect;

3. the utility model discloses in through setting up oil filler point and lubrication groove, be convenient for add the lubrication groove with lubricating oil in, the rethread oil outlet oozes, lubricates the gear of mutually meshing, through setting up the reinforcing plate, can improve the intensity of this toothed disc.

Drawings

Fig. 1 is a schematic view of an overall structure of a motor pinion with noise reduction according to the present invention;

FIG. 2 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 3 is a schematic structural view of a gear plate of the present invention;

fig. 4 is a schematic structural view of the middle leakage-proof plug of the present invention.

In the figure: 1. a gear plate; 2. gear teeth; 3. mounting holes; 4. sound insulation cotton; 5. pressing a plate; 6. a lubrication groove; 7. an oil outlet hole; 8. a fixing plate; 9. an oil filler hole; 10. a leakage-proof plug; 11. a limiting plate; 12. a reinforcing plate; 13. a communicating hole; 14. a groove; 15. a first through hole; 16. a second through hole; 17. a spindle hole; 18. a key slot; 19. a communicating groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, a motor pinion with noise reduction function comprises a gear disc 1, gear teeth 2 are arranged on the outer edge of the gear disc 1, a noise reduction device and a lubricating device are arranged on the gear disc 1, the noise reduction device comprises a mounting hole 3, soundproof cotton 4 and a pressing plate 5, a plurality of mounting holes 3 and soundproof cotton 4 are arranged, a plurality of mounting holes 3 are arranged at equal intervals along the circumferential direction of the gear disc 1, soundproof cotton 4 is arranged in the mounting holes 3, two pressure plates 5 are arranged, and are respectively arranged at two sides of the gear disc 1 and detachably connected with the gear disc 1 through screws, the lubricating device comprises a lubricating groove 6, an oil outlet 7 and a fixing plate 8, the oil outlet 7 is provided with a plurality of oil outlets, and set up respectively on teeth of a cogwheel 2, lubrication groove 6 sets up on toothed disc 1, and fixed plate 8 and toothed disc 1 fixed connection are equipped with oil filler point 9 on the fixed plate 8. The gear plate 1 is provided with a spindle hole 17, and the spindle hole 17 is provided with a key groove 18.

In this embodiment, a leakage-proof plug 10 is arranged in the oil filling hole 9, a limiting plate 11 is arranged on the leakage-proof plug 10, and the limiting plate 11 and the gear plate 1 are detachably connected through a bolt. The lubricating groove 6 is internally provided with a reinforcing plate 12, and the reinforcing plate 12 is provided with a communicating hole 13. The gear plate 1 is provided with a groove 14, the fixing plate 8 is arranged in the groove 14, and the upper surface of the fixing plate 8 and the surface of the gear plate 1 are coplanar. The position on the lubricating groove 6 corresponding to the gear teeth 2 is provided with a communicating groove 19, and the communicating groove 19 is communicated with the oil outlet 7. When using, put fixed plate 8 in recess 14, and with its fixed connection, pour into lubrication groove 6 through oil filler point 9 with lubricating oil in, lubricating oil flows to whole lubrication groove 6 through intercommunicating pore 13 on reinforcing plate 12 in, rethread intercommunication groove 19 flows oil outlet 7 department, the aperture of oil outlet 7 is minimum, lubricating oil can ooze in oil outlet 7 department, annotate full of lubricating oil after, with the cooperation of leak protection stopper 10 and oil filler point 9, it is fixed to pass through bolted connection with limiting plate 11 and fixed plate 8, seal oil filler point 9.

In this embodiment, a first through hole 15 is formed in the gear plate 1, two pressing plates 5 are provided with a second through hole 16, and the first through hole 15 and the second through hole 16 are connected through a bolt. When the gear disc fixing device is used, the soundproof cotton 4 is placed in the mounting hole 3, the two pressing plates 5 are placed on two sides of the gear disc 1, the bolt penetrates through the first through hole 15 and the second through hole 16 and then is fixedly connected with the nut, and the pressing plates 5 and the gear disc 1 are fixedly mounted.

Example 2:

in conclusion, when using, put soundproof cotton 4 in mounting hole 3, put two clamp plates 5 in the both sides of toothed disc 1, pass first through-hole 15 and second through-hole 16 with the nut connection fixed with the bolt back, realize clamp plate 5 and toothed disc 1's fixed mounting, with fixed plate 8 fixed mounting in recess 14, inject lubricating oil into lubrication groove 6 through oil filler point 9 in, with leak protection stopper 10 and the cooperation of oil filler point 9, it is fixed to pass through the screw connection with limiting plate 11 and fixed plate 8, seal oil filler point 9, during this pinion and the transmission of external gear engagement, lubricating oil oozes through oil outlet 7, lubricate the meshing position, make the transmission more gentle, and then realize making an uproar.

Example 3:

to sum up, when using, put fixed plate 8 in recess 14, and with its fixed connection, pour into lubrication tank 6 through oil filler point 9 with lubricating oil in, lubricating oil flows to whole lubrication tank 6 through the intercommunicating pore 13 on reinforcing plate 12 in, and rethread intercommunication groove 19 flows to oil outlet 7 department, and oil outlet 7's aperture is minimum, and lubricating oil can ooze in oil outlet 7 department, fills up lubricating oil after, with the cooperation of leak protection stopper 10 and oil filler point 9, passes through bolted connection with limiting plate 11 and fixed plate 8 and fixes, seals oil filler point 9.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, which are not repeated herein, and it is preferable to consider welding in the above description, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a motor pinion with it makes an uproar to fall, includes toothed disc (1), and the outer fringe of toothed disc (1) is equipped with teeth of a cogwheel (2), its characterized in that: the gear disc (1) is provided with a noise reduction device and a lubricating device, the noise reduction device comprises a mounting hole (3), soundproof cotton (4) and a pressing plate (5), the mounting hole (3) and the soundproof cotton (4) are respectively provided with a plurality of mounting holes, the mounting holes (3) are respectively arranged along the circumferential equidistance intervals of the gear disc (1), the soundproof cotton (4) is arranged in the mounting hole (3), the pressing plate (5) is provided with two mounting holes which are respectively arranged at two sides of the gear disc (1) and detachably connected with the gear disc (1) through screws, the lubricating device comprises a lubricating groove (6), an oil outlet (7) and a fixing plate (8), the oil outlet (7) is provided with a plurality of lubricating grooves which are respectively arranged on the gear teeth (2), the lubricating groove (6) is arranged on the gear disc (1), the fixing plate (8) is fixedly connected with the gear disc (1), and an oil filling hole (9) is arranged on the fixed plate (8).

2. A motor pinion with noise reduction as set forth in claim 1, wherein: be equipped with leak protection stopper (10) in oil filler point (9), be equipped with limiting plate (11) on leak protection stopper (10), limiting plate (11) and toothed disc (1) pass through bolt detachably and connect.

3. A motor pinion with noise reduction as set forth in claim 2, wherein: a reinforcing plate (12) is arranged in the lubricating groove (6), and a communicating hole (13) is formed in the reinforcing plate (12).

4. A motor pinion with noise reduction as set forth in claim 1, wherein: be equipped with recess (14) on toothed disc (1), fixed plate (8) set up in recess (14), and the upper surface of fixed plate (8) and the surperficial coplane of toothed disc (1).

5. A motor pinion with noise reduction as set forth in claim 1, wherein: be equipped with first through-hole (15) on gear dish (1), two all be provided with matched with second through-hole (16) on clamp plate (5), first through-hole (15) and second through-hole (16) pass through bolted connection.

6. A motor pinion with noise reduction as set forth in claim 1, wherein: a main shaft hole (17) is formed in the gear disc (1), and a key groove (18) is formed in the main shaft hole (17).

7. A motor pinion with noise reduction as set forth in claim 1, wherein: the lubricating groove (6) is provided with a communicating groove (19) at a position corresponding to the gear teeth (2), and the communicating groove (19) is communicated with the oil outlet (7).