CN206802074U

CN206802074U - A kind of angular contact ball bearing

Info

Publication number: CN206802074U
Application number: CN201720592654.7U
Authority: CN
Inventors: 王鑫; 王彦成; 王德龙
Original assignee: Luoyang Bearing Derun Precision Machine Tool Co Ltd
Current assignee: Luoyang Bearing Derun Precision Machine Tool Co Ltd
Priority date: 2017-05-25
Filing date: 2017-05-25
Publication date: 2017-12-26
Anticipated expiration: 2027-05-25

Abstract

The utility model relates to a kind of angular contact ball bearing, and it includes outer ring, inner ring and rolling element is limited into the retainer between outer ring and inner ring, and the retainer is provided with the pocket hole of the figure of eight, and the rolling element is placed in the figure of eight pocket hole.The utility model can reduce guide clearance design load of the bearing in high-speed rotation, reduce the generation of bear vibration and heat.Its figure of eight pocket hole is compared with conventional circular pocket hole, and in the case where ensureing that axial direction is consistent with radial clearance, pocket interporal lacuna amount is bigger, is more beneficial for lubrication and passes through pocket hole, and reduces the generation of frictional impact.

Description

A kind of angular contact ball bearing

Technical field

Technical field of bearings is the utility model is related to, more particularly to a kind of angular contact with figure of eight pocket pore structure Ball bearing.

Background technology

Angular contact ball bearing is widely used in the fields such as high precision machine tool main shaft at present, the speed of mainshaft also more and more higher.Angle Not only the contact angle to ball, diameter, material and lubrication are related and close with bearing arrangement relation for the high speed performance of contact ball bearing Cut.Angular contact ball bearing cage pocket boring ratio more typically justifies pocket hole, when radial load is larger, retainer and steel ball at present Kinetic characteristic cause ball and pocket hole surface to produce fierce collision, produce substantial amounts of frictional heat and serious pocket hole abrasion, and Cause retainer fracture and bearing burn when serious.

The content of the invention

The purpose of this utility model is the defects of overcoming existing angular contact ball bearing structure to exist, and provides a kind of " 8 " word Shape pocket pore structure angular contact ball bearing, while increasing ball and the radial clearance in pocket hole, the axial gap of retainer is stabilized, And the pocket interporal lacuna of retainer is added, lubrication is flowed more easily through pocket hole, steel ball and the friction in retainer pocket hole is reduced, makes Retainer effectively cools down.

The utility model solves its technical problem using following technical scheme to realize.According to the utility model proposes A kind of angular contact ball bearing structure, including outer ring 1, inner ring 2 and rolling element 3 is limited to the guarantor between outer ring 1 and inner ring 2 Frame 4 is held, the retainer 4 is provided with the pocket hole 5 of the figure of eight, and 3 bodies of the rolling are placed in the figure of eight pocket hole 5.

The utility model has clear advantage and beneficial effect compared with prior art.The utility model angular contact ball axle The retainer pocket hole held uses figure of eight structure, and it has advantages below：Retainer pocket hole and steel ball radial clearance are increased, is subtracted The frictional impact that few steel ball runs at high speed between retainer；Stable retainer axial gap, when bearing bears radial direction unbalance loading Retainer axial offset is reduced, reduces retainer axial vibration and friction；Figure of eight pocket hole compared with conventional circular pocket hole, In the case where ensureing that axial direction is consistent with radial clearance, pocket interporal lacuna amount is bigger, is more beneficial for lubrication and passes through pocket hole, and reduction rubs The generation of sidewipe collision.The utility model angular contact ball bearing structure is simple in construction, easy to implement.The utility model can reduce axle The guide clearance design load in high-speed rotation is held, reduces the generation of bear vibration and heat.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail as follows.

Brief description of the drawings

Fig. 1 is the utility model angular contact ball bearing structural representation.

Fig. 2 is the utility model angular contact ball bearing cage schematic diagram.

【Symbol description】

1：Outer ring

2：Inner ring

3：Rolling element

4：Retainer

5：Pocket hole

Embodiment

Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken, Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes angular contact ball bearing its embodiment, knot Structure, feature and its effect, describe in detail as after.

Fig. 1 and Fig. 2, a kind of angular contact ball bearing of the utility model, including outer ring 1 are referred to, inner ring 2 is set in outer ring 1, Retainer 4 is set between outer ring 1 and inner ring 2, and retainer 4 is provided with figure of eight pocket hole 5, and rolling element 3 is arranged on retainer 4 In figure of eight pocket hole 5, it is limited to by retainer 4 between inner ring 2 and outer ring 1.The outer ring 1 and inner ring 2 are circle.

It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to the utility model, it is any ripe Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still Belong in the range of technical solutions of the utility model.

Claims

1. a kind of angular contact ball bearing structure, including outer ring (1), inner ring (2) and by rolling element (3) be limited to outer ring (1) and Retainer (4) between inner ring (2), it is characterised in that the retainer (4) is provided with the pocket hole (5) of the figure of eight, the rolling Dynamic (3) body is placed in the figure of eight pocket hole (5).