CN210265757U

CN210265757U - Noise reduction gear

Info

Publication number: CN210265757U
Application number: CN201822200755.2U
Authority: CN
Inventors: 莫小良; 吴其
Original assignee: CHANGZHOU WUJIN JINCHENG GEAR CO LTD
Current assignee: CHANGZHOU WUJIN JINCHENG GEAR CO LTD
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-04-07
Anticipated expiration: 2028-12-26

Abstract

The utility model belongs to the technical field of gear equipment technique and specifically relates to a gear of making an uproar falls, including wheel body, tooth body and shaft hole, tooth body evenly distributed is on the outer circumference of wheel body, be the tooth's socket between the tooth body, and wheel body centre of a circle position is provided with the shaft hole, is provided with to little one damping groove on the wheel body, and the damping inslot is provided with the blotter, is provided with the oil storage chamber in the wheel body, and the oil storage chamber passes through oil duct and tooth's socket connection, and tooth body central point puts and is provided with the damping hole, and tooth body both sides are provided with the recess. The utility model discloses a be provided with vibration damper in the recess of dentition body both sides to adopt damping groove and damping hole, reduced the dentition body wearing and tearing in the load concentration region, improved load distribution state, have good damping noise reduction effect, have good installability and replaceability, the upper and lower structure is unanimous, has good equipment nature, has improved and has made conveniently, has shortened maintenance duration and it has convenient to use.

Description

Noise reduction gear

Technical Field

The utility model belongs to the technical field of gear equipment technique and specifically relates to a gear of making an uproar falls.

Background

The gear is a wheel-shaped mechanical part which transfers torque by means of meshing of teeth, and the gear can realize the functions of changing rotating speed and torque, changing movement direction, changing movement form and the like by virtue of other tooth-shaped mechanical parts. Because the advantages of high transmission efficiency, accurate transmission ratio, large power range and the like, the gear mechanism is widely applied to industrial products, the design and manufacturing level of the gear mechanism can directly influence the quality of the industrial products, the gear transmission is seen as a vibrating spring system, the gear naturally becomes a part of the system, when the gear is loaded at different degrees, the vibration frequency and the torsion direction are different, most of the vibration force in the circumferential direction can be formed, and the problem of the gear in the aspect of noise processing can form smooth noise without squeal, and the load of the traditional gear is mainly concentrated in the middle of the gear teeth.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior gear technology, the utility model provides a noise reduction gear.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a gear of making an uproar falls, includes wheel body, tooth body and shaft hole, tooth body evenly distributed is on the outer circumference of wheel body, be the tooth's socket between the tooth body, wheel body centre of a circle position is provided with the shaft hole, be provided with to little damping groove on the wheel body, the damping inslot is provided with the blotter, be provided with the oil storage chamber in the wheel body, the oil storage chamber passes through oil duct and tooth's socket connection, tooth body central point puts and is provided with the damping hole, tooth body both sides are provided with the recess, the recess port is provided with the chimb, be provided with vibration damper in the.

According to another embodiment of the present invention, the wheel body further comprises a limiting groove connected to the shaft hole.

According to another embodiment of the present invention, the damping device further comprises a damping groove disposed on each of the two side surfaces of the wheel body, the damping groove is an annular groove, and the cushion pad is engaged with the damping groove.

According to the utility model discloses a another embodiment, further include that the oil storage chamber is hollow cylinder, and the oil duct is round platform shape structure, and the great end of oil duct diameter is connected with the oil storage chamber, and the less end of oil duct diameter is put with tooth's socket central point and is connected, and oil duct quantity and tooth's socket quantity one-to-one set up.

According to the utility model discloses a further include that damping device includes movable block, fixed block, guide arm and spring, and the movable block setting is at groove port, and the movable block cross-section is type of calligraphy structure, and movable block and groove port agree with, and the recess bottom is provided with the fixed block, evenly is provided with three guide arm between movable block and the fixed block, all overlaps on the guide arm to be equipped with the spring.

According to the utility model discloses a further embodiment, further including movable block and fixed block material for rubber, the guide arm is the telescopic link.

The utility model has the advantages that: the utility model discloses a be provided with vibration damper in the recess of dentition body both sides to adopt damping groove and damping hole, reduced the dentition body wearing and tearing in the load concentration region, improved load distribution state, good damping noise reduction effect has, but has good installation nature and replaceability, the upper and lower structure is unanimous, has good assemblability, it is convenient to have improved manufacturing, shortened maintenance duration and it has convenient to use, easy operation, the practicality is good, characteristics such as low cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged view of the structure at a.

In the figure, the wheel comprises a wheel body 1, a wheel body 2, a gear body 3, a shaft hole 4, a tooth groove 5, a vibration reduction groove 6, a cushion pad 7, an oil storage cavity 8, an oil passage 9, a vibration reduction hole 10, a groove 11, a convex edge 12, a vibration reduction device 12-1, a moving block 12-2, a fixed block 12-3, a guide rod 12-4, a spring 13 and a limiting groove.

Detailed Description

Fig. 1 is a schematic structural diagram of the present invention, a noise reduction gear, including a wheel body 1, gear bodies 2 and a shaft hole 3, wherein the gear bodies 2 are uniformly distributed on the outer circumference of the wheel body 1, tooth spaces 4 are formed between the gear bodies 2, a shaft hole 3 is formed at the circle center position of the wheel body 1, at least one vibration reduction groove 5 is formed on the wheel body 1, a buffer pad 6 is arranged in the vibration reduction groove 5, an oil storage chamber 7 is arranged in the wheel body 1, the oil storage chamber 7 is connected with the tooth spaces 4 through an oil duct 8, the oil storage chamber 7 is a hollow cylinder, the oil duct 8 is a circular truncated cone structure, the end with the larger diameter of the oil duct 8 is connected with the oil storage chamber 7, the end with the smaller diameter of the oil duct 8 is connected with the center position of the tooth spaces 4, the number of the oil ducts 8 and the number of the tooth spaces 4 are arranged in one-to one, 2 both sides of the tooth body are provided with recess 10, the 10 port of recess is provided with chimb 11, be provided with vibration damper 12 in the recess 10, the utility model discloses a be provided with vibration damper 12 in the recess 10 of 2 both sides of tooth body to adopt damping groove 5 and damping hole 9, reduced 2 wearing and tearing of tooth body in the load concentration region, improved load distribution state, have good damping noise reduction effect, have good installability and replaceability, the upper and lower structure is unanimous, has good assemblability, improved and made conveniently, shortened maintenance duration and it has convenient to use, easy operation, the practicality is good, characteristics such as low cost.

As shown in fig. 2, the wheel body 1 is provided with a limiting groove 13 connected with the shaft hole 3, the limiting groove 13 makes the gear not easy to deflect, two side surfaces of the wheel body 1 are respectively provided with a damping groove 5, the damping grooves 5 are annular grooves, and the cushion pad 6 is matched with the damping grooves 5.

As shown in fig. 3, the vibration damping device 12 comprises a moving block 12-1, a fixed block 12-2, a guide rod 12-3 and a spring 12-4, the moving block 12-1 is arranged at the port of the groove 10, the cross section of the moving block 12-1 is of a convex structure, the moving block 12-1 is matched with the port of the groove 10, the fixed block 12-2 is arranged at the bottom of the groove 10, three guide rods 12-3 are uniformly arranged between the moving block 12-1 and the fixed block 12-2, the guide rods 12-3 are all sleeved with the spring 12-4, the moving block 12-1 and the fixed block 12-2 are made of rubber, and the guide rods 12-3 are telescopic rods.

The working principle is as follows: when the gear and the matched gear rotate, the moving block 12-1 is pressurized to enter the groove 10, the load in the transmission process between the gears is reduced, the vibration can be further reduced through the spring 12-4 and the fixed block 12-2, before the gear transmission is completed to be contacted again, the moving block 12-1 returns to the port of the groove 10 under the action of the guide rod 12-3 and the spring 12-4, the convex edge 11 of the port of the groove 10 can prevent the moving block 12-1 from popping out, lubricating oil in the oil storage cavity 7 is rotated to enter the tooth socket 4 through the oil duct 8, the gear is lubricated, and the friction is reduced to effectively reduce the noise.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a noise reduction gear, includes wheel body (1), tooth body (2) and shaft hole (3), tooth body (2) evenly distributed is on the outer circumference of wheel body (1), be tooth's socket (4) between tooth body (2), wheel body (1) centre of a circle position is provided with shaft hole (3), characterized by, be provided with on wheel body (1) to reducing a vibration reduction groove (5), be provided with blotter (6) in vibration reduction groove (5), be provided with oil storage chamber (7) in wheel body (1), oil storage chamber (7) are connected through oil duct (8) and tooth's socket (4), tooth body (2) central point puts and is provided with vibration reduction hole (9), tooth body (2) both sides are provided with recess (10), recess (10) port is provided with chimb (11), be provided with vibration damper (12) in recess (10).

2. A noise-reducing gear according to claim 1, characterized in that the gear body (1) is provided with a limiting groove (13) connected with the shaft hole (3).

3. A noise reduction gear according to claim 1, wherein the two side surfaces of the gear body (1) are respectively provided with a vibration reduction groove (5), the vibration reduction grooves (5) are annular grooves, and the cushion pads (6) are matched with the vibration reduction grooves (5).

4. The noise reduction gear according to claim 1, wherein the oil storage cavity (7) is a hollow cylinder, the oil passage (8) is of a circular truncated cone structure, the larger diameter end of the oil passage (8) is connected with the oil storage cavity (7), the smaller diameter end of the oil passage (8) is connected with the center of the tooth socket (4), and the number of the oil passages (8) and the number of the tooth sockets (4) are arranged in a one-to-one correspondence manner.

5. The noise reduction gear according to claim 1, wherein the vibration reduction device (12) comprises a moving block (12-1), a fixed block (12-2), a guide rod (12-3) and a spring (12-4), the moving block (12-1) is arranged at the port of the groove (10), the cross section of the moving block (12-1) is of a convex structure, the moving block (12-1) is matched with the port of the groove (10), the fixed block (12-2) is arranged at the bottom of the groove (10), the three guide rods (12-3) are uniformly arranged between the moving block (12-1) and the fixed block (12-2), and the spring (12-4) is sleeved on each guide rod (12-3).

6. A noise reduction gear according to claim 5, characterized in that the moving block (12-1) and the fixed block (12-2) are made of rubber, and the guide rod (12-3) is a telescopic rod.