CN215171532U

CN215171532U - Angular contact ball bearing

Info

Publication number: CN215171532U
Application number: CN202121656715.4U
Authority: CN
Inventors: 马春丹
Original assignee: Shanghai Renben Precision Machinery Co ltd
Current assignee: Shanghai Renben Precision Machinery Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-14
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses an angular contact ball bearing, including inner circle, outer lane, roller and holder, be equipped with interior raceway on the outer wall of inner circle, be equipped with the interior breach that extends to the inner circle terminal surface on one side wall of interior raceway, be equipped with outer raceway on the inner wall of outer lane, be equipped with the outer breach that extends to the outer lane terminal surface on one side wall of outer raceway, be equipped with the pocket hole that supplies the roller embedding on the holder, the bore of interior breach is greater than or equal to the radial maximum depth along the inner circle of inner lane, be equipped with the bellied joint piece of inside circle on the inner wall of holder, interior breach department is equipped with the joint groove that supplies the joint piece to imbed, the utility model discloses an assembly earlier the roller in the holder, again with the holder pressure equipment of roller to the outer lane, assemble with the inner circle at last, the inner circle of the utility model prevents holder and inner circle from loosing the frame through joint piece and the cooperation of joint groove, the bore of the interior breach of inner circle is convenient to assemble, the assembly efficiency is improved, and meanwhile, the roller is prevented from being scratched by the inner ring pressed and mounted afterwards, and the quality of a finished product is ensured.

Description

Angular contact ball bearing

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to angular contact ball bearing.

Background

The angular contact ball bearing is a common bearing and generally comprises an inner ring, an outer ring, a roller and a retainer, wherein a pocket hole for embedding the roller is formed in the retainer, an inner rolling way is formed in the outer wall of the inner ring, an outer rolling way is formed in the inner wall of the outer ring, an inner notch extending to the end face of the inner ring is formed in one side wall of the inner rolling way, an outer notch extending to the end face of the outer ring is formed in one side wall of the outer rolling way, and the inner notch and the outer notch are arranged in a back-to-back mode.

The retainer of the existing angular contact ball bearing is not in contact with the outer ring and the inner ring, when the bearing is assembled, the roller is firstly installed in the pocket, then the retainer provided with the roller is pressed into the inner ring from the inner gap, and is pressed into the outer ring from the outer gap, in order to ensure the normal operation of the bearing, the bearing is prevented from loosening or scattering during the operation, the calibers of the inner gap and the outer gap are usually smaller, and the inner ring or the outer ring subjected to the press mounting can scratch a steel ball during the press mounting, so that the quality of a finished product is influenced.

The retainer of current angular contact ball bearing is mostly the plastics retainer, and current pocket is mostly complete poroid, and whole elasticity is less, inconvenient roller installation, and assembly efficiency is low.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a convenient assembly is difficult to the angular contact ball bearing of fish tail steel ball during the assembly.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an angular contact ball bearing, includes inner circle, outer lane, roller and holder, be equipped with interior raceway on the outer wall of inner circle, be equipped with the interior breach that extends to the inner circle terminal surface on one side wall of interior raceway, be equipped with outer raceway on the inner wall of outer lane, be equipped with the outer breach that extends to the outer lane terminal surface on one side wall of outer raceway, be equipped with the pocket hole that supplies the roller embedding on the holder, the bore of interior breach is more than or equal to interior raceway along the radial maximum depth of inner circle, be equipped with the bellied joint piece of inside circle on the inner wall of holder, interior breach department is equipped with the joint groove that supplies the joint piece embedding.

Adopt above-mentioned scheme, the utility model discloses during the assembly, assemble roller to the holder earlier in, will take the holder pressure equipment of roller to outer lane again, at last with the inner circle assembly, the utility model discloses an inner circle prevents that holder and inner circle from scattering the frame through joint piece and joint groove cooperation, and the bore of the interior breach of inner circle is convenient to be assembled, improves assembly efficiency, prevents the inner circle fish tail roller of back pressure equipment simultaneously, guarantees the finished product quality.

As a further setting of the utility model, the joint piece is cyclic annular.

By adopting the scheme, the assembly efficiency is high, and additional alignment is not needed.

As a further setting of the utility model, the joint piece is two at least, the circumference one by one interval arrangement of holder is followed with the pocket hole to the joint piece.

By adopting the scheme, the interference magnitude is conveniently controlled, the clamping blocks are conveniently pressed into the clamping grooves, the axial displacement of the retainer in the operation of the bearing is prevented, and the normal operation of the bearing is ensured.

As a further setting of the utility model, the joint piece is towards the one side slope of keeping away from the inner raceway towards the one end in joint groove.

By adopting the scheme, the clamping blocks are convenient to assemble into the clamping grooves.

As a further setting of the utility model, one side that the joint piece was kept away from in the pocket hole is equipped with the opening, the open-ended bore is less than the maximum diameter in pocket hole.

By adopting the scheme, the unsealed pocket facilitates the roller to be installed in the pocket, and one side of the opening of the pocket can generate large deformation when being pressed to the outer ring, so that the retainer with the roller is conveniently pressed to the outer ring. Under the unchangeable condition of roller diameter, the utility model discloses an axial width of the more current holder of axial width of holder is narrow, can save the holder material, saves the bearing inner space simultaneously, makes things convenient for the bearing to design overall arrangement and pattern according to actual conditions.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a sectional view of an embodiment of the present invention;

FIG. 2 is a schematic view of a cage according to an embodiment of the present invention;

fig. 3 is a sectional view of the cage according to the embodiment of the present invention.

The inner ring 1, the inner rolling way 11, the inner gap 12, the clamping groove 13, the outer ring 2, the outer rolling way 21, the outer gap 22, the roller 3, the retainer 4, the pocket 41, the opening 411 and the clamping block 42.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified, the positional or positional relationship indicated in the description as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are the positional or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiment of the utility model is shown in the attached drawings.

The utility model provides an angular contact ball bearing, including inner circle 1, outer lane 2, roller 3 and holder 4, be equipped with interior raceway 11 on the outer wall of inner circle 1, be equipped with interior breach 12 that extends to 1 terminal surface of inner circle on a lateral wall of interior raceway 11, be equipped with outer raceway 21 on the inner wall of outer lane 2, be equipped with the outer breach 22 that extends to 2 terminal surfaces of outer lane on a lateral wall of outer raceway 21, be equipped with the pocket hole 41 that supplies roller 3 embedding on the holder 4, in this embodiment, the bore H of interior breach 12 equals interior raceway 11 along the radial maximum depth H of inner circle 1, be equipped with the bellied joint piece 42 of inner circle 1 on the inner wall of holder 4, interior breach 12 department is equipped with the joint groove 13 that supplies joint piece 42 embedding. During assembly of the embodiment, the rollers 3 are assembled into the retainer 4, the retainer 4 with the rollers 3 is pressed to the outer ring 2 in a pressing mode, and finally the retainer and the inner ring are assembled, the inner ring 1 of the embodiment is matched with the clamping groove 13 through the clamping block 42 to prevent the retainer 4 from being separated from the inner ring 1, the caliber h of the inner notch 12 of the inner ring 1 is convenient to assemble, assembly efficiency is improved, meanwhile, the inner ring 1 subjected to back pressing is prevented from scratching the rollers 3, and quality of finished products is guaranteed.

The number of the clamping blocks 42 is at least two, and the clamping blocks 42 and the pockets 41 are arranged at intervals along the circumferential direction of the retainer 4. Interference is conveniently controlled, the clamping blocks 42 are conveniently pressed into the clamping grooves 13, axial displacement of the retainer 4 during bearing operation is prevented, and normal operation of the bearing is guaranteed.

The catching piece 42 is inclined toward one end of the catching groove 13 to a side away from the inner raceway 11. The snap-in blocks 42 are conveniently assembled into the snap-in grooves 13.

An opening 411 is formed in one side, away from the clamping block 42, of the pocket 41, and the caliber of the opening 411 is smaller than the maximum diameter of the pocket 41. The unsealed pocket 41 facilitates the roller 3 to be mounted into the pocket 41, and meanwhile, one side of an opening 411 of the pocket 41 can deform greatly when being pressed to the outer ring 2, so that the retainer 4 with the roller 3 is pressed to the outer ring 2 conveniently. Under the condition that the diameter of the roller 3 is not changed, the axial width of the retainer 4 is narrower than that of the existing retainer, so that the material of the retainer 4 can be saved, the internal space of the bearing is saved, and the bearing is convenient to design the whole layout and style according to the actual situation.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides an angular contact ball bearing, includes inner circle, outer lane, roller and holder, be equipped with interior raceway on the outer wall of inner circle, be equipped with the interior breach that extends to the inner circle terminal surface on one side wall of interior raceway, be equipped with outer raceway on the inner wall of outer lane, be equipped with the outer breach that extends to the outer lane terminal surface on one side wall of outer raceway, be equipped with the pocket hole that supplies the roller embedding on the holder, its characterized in that: the bore of the inner notch is larger than or equal to the radial maximum depth of the inner raceway along the inner ring, a clamping block protruding towards the inner ring is arranged on the inner wall of the retainer, and a clamping groove for embedding the clamping block is formed in the inner notch.

2. An angular contact ball bearing according to claim 1, wherein: the clamping block is annular.

3. An angular contact ball bearing according to claim 1, wherein: the clamping blocks are at least two, and the clamping blocks and the pockets are arranged one by one at intervals along the circumferential direction of the retainer.

4. An angular contact ball bearing according to claim 2 or 3, wherein: the clamping block inclines towards one side far away from the inner raceway towards one end of the clamping groove.

5. An angular contact ball bearing according to claim 4, wherein: one side of the pocket, which is far away from the clamping block, is provided with an opening, and the caliber of the opening is smaller than the maximum diameter of the pocket.