CN206338323U

CN206338323U - No needle bearing is saved in a kind of motor turning

Info

Publication number: CN206338323U
Application number: CN201621277840.3U
Authority: CN
Inventors: 余兵浩; 刘国强; 周庆庆; 冯越; 陈龙
Original assignee: QIDONG JINQIAO BEARING Co Ltd
Current assignee: QIDONG JINQIAO BEARING Co Ltd
Priority date: 2016-11-26
Filing date: 2016-11-26
Publication date: 2017-07-18
Anticipated expiration: 2026-11-26

Abstract

No needle bearing is saved the utility model discloses a kind of motor turning, including bearing outer ring and bearing inner race, gap is provided between the bearing outer ring and bearing inner race, a fixing device for preventing the bearing outer ring and bearing inner race from moving axially is each provided with the bearing outer ring and bearing inner race both sides, the fixing device forms a confined space with the gap, and lubricant grease is injected with the confined space.Closing space of the utility model between bearing inner race and bearing outer ring is directly injected into lubricant grease, reduces Bearing inner friction and abrasion, extends its service life, and make whole bearing inner race uniform force, improve the bearing capacity of bearing.

Description

No needle bearing is saved in a kind of motor turning

Technical field

The utility model is related to needle bearing technical field, relates generally to a kind of motor turning and saves no needle bearing.

Background technology

Needle bearing is simple in construction, large carrying capacity, structure type strong adaptability, and precision and the continuous of performance change in addition Enter, at home, the applications of outer various mechanical needle bearings it is increasingly extensive, particularly in some accurate process equipment, aircraft, height 3002 are used more and more widely in shelves automobile and the drive system of motorcycle, steering

What the function of sphere needle bearing was realized typically all by rolling movement of the needle roller between inside and outside raceway, axle The bearing capacity and service life held are decided by the transmission of power between needle roller and raceway.The performance of needle bearing is improved, mainly Target is the contact of needle roller to be reduced and raceway, and it is whole to give full play to it is uniformly distributed as far as possible in contact area The performance of material on contact area.

Referring to Fig. 1, what is provided in figure is a kind of sphere needle bearing 100 of prior art, including bearing outer ring 110, axle Inner ring 120 and some needle rollers 130 are held, a jump ring 140 is each provided with bearing outer ring 110 and the both sides of bearing inner race 120.In reality In production process, due to machining accuracy, there is different degrees of error in needle roller length and diameter.In actually used mistake Cheng Zhong, under load, because only a small number of needle rollers that length is most long and diameter is maximum subject load, needle roller and inside and outside rolling The contact action effect in road substantially, makes contact area two ends that the stress state of load is presented, serious edge effect occurs； Due to the effect of this edge effect, the fatigue rupture of needle bearing usually prematurely appear in needle roller end and rolling two Side so that needle bearing bearing capacity weakens, premature failure, big heavy discount service life of needle bearing, influence automobile and The personal safety of driver.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of is integrated into axle by needle roller all on needle bearing Hold on inner ring, bearing inner race uniform force, the motor turning with high bearing load carrying capacity save the needle bearing of no needle roller.

Technical problem to be solved in the utility model can adopt the following technical scheme that to realize：

No needle bearing, including bearing outer ring and bearing inner race are saved in a kind of motor turning, it is characterised in that the bearing Gap is provided between outer ring and bearing inner race, being each provided with one in the bearing outer ring and bearing inner race both sides prevents the axle Bearing outer-ring and the fixing device of bearing inner race axial movement, the fixing device forms a confined space with the gap, in institute State and lubricant grease is injected with confined space.

In a preferred embodiment of the present utility model, the motor turning saves no needle bearing outer surface for ball Face.

In a preferred embodiment of the present utility model, the fixing device is a jump ring.

In a preferred embodiment of the present utility model, the jump ring outer surface is absorbed in the bearing outer ring inwall, its End face and the bearing inner race end contact.

The beneficial effects of the utility model are：No needle bearing is saved in a kind of motor turning, outside bearing inner race and bearing Closing space between circle is directly injected into lubricant grease, reduces Bearing inner friction and abrasion, extends its service life, and make whole Individual bearing inner race uniform force, the bearing capacity for improving bearing；The setting of bilateral jump ring can be more reliable prevent in bearing Circle is axially moved with bearing outer ring.

Brief description of the drawings

Fig. 1 is a kind of sectional view of sphere needle bearing of prior art；

Fig. 2 is the structural representation that no needle bearing is saved in a kind of motor turning of the utility model；

Fig. 3 is the front view that no needle bearing is saved in a kind of motor turning of the utility model；

Fig. 4 is the profile that F-F in Fig. 3 of no needle bearing is saved in a kind of motor turning of the utility model；

Fig. 5 is the left view that no needle bearing is saved in a kind of motor turning of the utility model.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

Referring to Fig. 2 to Fig. 5, what is provided in figure is that no needle bearing 200, including bearing outer ring are saved in a kind of motor turning 210 and bearing inner race 220, there is gap 230 between bearing outer ring 210 and bearing inner race 220；No needle roller axle is saved in motor turning 200 outer surfaces are held for sphere, it is easy to use, handling are simple and can improve production efficiency with aligning.No rolling is saved in motor turning Rolling element needle roller is not provided with needle bearing 200, the assembly process of needle roller is reduced, whole product structure is optimized；By needle roller After being integrated on inner ring, outer ring raceway is directly contacted with inner ring raceway so that the contact between bearing parts working surface It is evenly distributed, bearing footpath axial direction stress distribution is also uniform as far as possible, reduces contact, improves the carrying of needle bearing Ability.

Being each provided with one in bearing outer ring 210 and the both sides of bearing inner race 220 prevents bearing outer ring 210 and bearing inner race 220 The fixing device 240 of axial movement, fixing device 240 is a jump ring 241, and the outer surface of jump ring 241 is absorbed in bearing outer ring 210 Wall, its inner face is contacted with bearing inner race 220.The dynamic force change of jump ring 241 is little, be easily controlled, and plays support, cushioning effect, The bilateral setting of jump ring 241, can further prevent that bearing internal external circle from coming off, and the transverse shifting of fixing bearing Internal and external cycle.Jump ring 241 form a confined space with gap 230, and lubricant grease is injected with confined space；Lubricant grease can allow bearing inner race Sliding friction is realized between bearing outer ring, the normal function of bearing is not influenceed；Frictional heat can also be effectively discharged, foreign matter is prevented Invade Bearing inner.

General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, the utility model can also on the premise of the utility model spirit and scope are not departed from There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will Protection domain is asked to be defined by appending claims and coordinate.

Claims

1. no needle bearing, including bearing outer ring and bearing inner race are saved in a kind of motor turning, it is characterised in that outside the bearing Gap is provided between circle and bearing inner race, being each provided with one in the bearing outer ring and bearing inner race both sides prevents the bearing Outer ring and the fixing device of bearing inner race axial movement, the fixing device forms a confined space with the gap, described Lubricant grease is injected with confined space.

2. no needle bearing is saved in a kind of motor turning as claimed in claim 1, it is characterised in that the motor turning is saved It is sphere without needle bearing outer surface.

3. no needle bearing is saved in a kind of motor turning as claimed in claim 1, it is characterised in that the fixing device is one Jump ring.

4. no needle bearing is saved in a kind of motor turning as claimed in claim 3, it is characterised in that the jump ring outer surface is fallen into Enter the bearing outer ring inwall, one end and the bearing inner race end contact.