CN215110143U

CN215110143U - Rolling bearing with anti-skid outer ring

Info

Publication number: CN215110143U
Application number: CN202121657651.XU
Authority: CN
Inventors: 雷小刚
Original assignee: Wenzhou Renben Motor Bearing Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Current assignee: Wenzhou Renben Motor Bearing Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-10
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses an skid-proof antifriction bearing in outer lane, including outer lane, inner circle, rolling element and anti-skidding structure, anti-skidding structure is including setting up the logical chamber of the L type on the outer lane, the setting is at the thrust piece that leads to the intracavity and the non slipping spur of making by elastic material of setting up leading to the intracavity, lead to the chamber including setting up the first accent on the outer lane outer wall and setting up the second accent on the outer lane terminal surface, the non slipping spur wholly is crooked setting, the one end protrusion second accent of thrust piece, the other end and non slipping spur butt, the length sum of thrust piece and non slipping spur is greater than the length that leads to the chamber. With antifriction bearing assembly to outside machinery in the back, the thrust piece exerts force to the non slipping spur under locking device's effect, makes the one end butt that the non slipping spur is located first accent on the casing, and the non slipping spur is the compression state this moment, and after operation a period, the clearance appears between outer lane and the casing, and the non slipping spur keeps the state of butt on the casing under the effect of thrust piece this moment to reduce the risk that the outer lane appears skidding.

Description

Rolling bearing with anti-skid outer ring

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to skid-proof antifriction bearing of outer lane.

Background

The rolling bearing is a common bearing and generally comprises an outer ring, an inner ring and a rolling body, when the rolling bearing is in actual use, the outer ring and a shell are generally fixed, meanwhile, two end faces of the outer ring are both provided with locking devices attached to the outer ring, and the inner ring is fixed with a mandrel.

Current outer lane and casing keep relatively fixed through interference fit usually, along with the increase of antifriction bearing operating duration, can appear the clearance between casing and the outer lane for relative slip appears between casing and the outer lane, lead to outer lane outer wall wearing and tearing to appear, above-mentioned condition can influence the normal operating of bearing, still can lead to antifriction bearing to heat up and produce great noise unusually, makes the life greatly reduced of bearing, influences the in-service use of bearing.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a rolling bearing which prevents the occurrence of slipping friction between an outer ring and a shell.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an antiskid antifriction bearing in outer lane, includes outer lane, inner circle and rolling element, still includes anti-skidding structure, anti-skidding structure is including setting up L type on the outer lane or the convex chamber that leads to, setting up at the thrust piece that leads to the intracavity and set up the non slipping spur of making by elastic material leading to the intracavity, lead to the chamber including setting up the first accent on the outer wall of outer lane and setting up the second accent on the outer lane terminal surface, the non slipping spur wholly is crooked setting, the one end protrusion second accent of thrust piece, the other end and non slipping spur butt, the one end that the thrust piece was kept away from to the non slipping spur is located first accent, the length sum of thrust piece and non slipping spur is greater than the length that leads to the chamber.

Adopt above-mentioned scheme, with antifriction bearing assembly back in to outside machinery, the thrust piece exerts force to the non slipping spur under locking device's effect, makes the one end butt that the non slipping spur is located first accent on the casing, and the non slipping spur is the compression state this moment, and after operation a period, the clearance appears between outer lane and the casing, and the non slipping spur keeps the state of butt on the casing under the effect of thrust piece this moment to reduce the risk that the outer lane appears skidding, guarantee antifriction bearing's normal use.

As a further setting of the utility model, the thrust piece is made by hard material, it is the L type to lead to the chamber, the non slipping spur is the L type.

By adopting the scheme, the shape of the through cavity reduces the difficulty of early-stage processing, the quality of finished products is ensured, the shape of the antiskid block conveniently applies force to the antiskid block by the thrust block, and the whole antiskid structure runs smoothly.

As a further arrangement of the utility model, the thrust piece is the T font, the thrust piece is including setting up the expansion end in the one end of protrusion second accent.

By adopting the scheme, the thrust block has a larger stress area due to the shape, so that the thrust block is more uniformly stressed.

As a further setting of the utility model, the corner that leads to the chamber is equipped with the fillet, the non slipping spur is wholly cylindrical.

By adopting the scheme, the anti-skid block moves more smoothly.

As a further setting of the utility model, anti-skidding structure has two at least, be equipped with at least one anti-skidding group on the outer lane, anti-skidding group comprises two mirror image planes and outer lane axis vertically anti-skidding structure mirror symmetry and mirror image plane.

As a further setting of the utility model, be equipped with two at least anti-skidding groups, all on the outer lane the axis rotational symmetry of anti-skidding group along the outer lane.

By adopting the scheme, the anti-skidding structures are evenly distributed, so that the rolling bearings can work simultaneously in a plurality of anti-skidding structures in actual use, the anti-skidding blocks are uniformly stressed, and the anti-skidding effect is ensured.

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 an enlarged view of a portion I of fig. 1.

The anti-skidding structure comprises an outer ring 1, an inner ring 2, a rolling body 3, an anti-skidding structure 4, a through cavity 41, a first cavity opening 411, a second cavity opening 412, a fillet 413, a thrust block 42, an expansion end 421 and an anti-skidding block 43.

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 antiskid antifriction bearing of outer lane 1, including outer lane 1, inner circle 2, rolling element 3 and anti-skidding structure 4, anti-skidding structure 4 is including the logical chamber 41 that sets up the L type on outer lane 1, set up thrust piece 42 and the non slipping spur 43 that sets up and make by elastic material in leading to chamber 41 and making by hard material in leading to chamber 41, in this embodiment, thrust piece 42 adopts engineering plastics to make, non slipping spur 43 adopts nitrile rubber to make, lead to chamber 41 including setting up first accent 411 on the outer wall of outer lane 1 and setting up the second accent 412 on outer lane 1 terminal surface, non slipping spur 43 is the L type, the protruding second accent 412 of one end of thrust piece 42, the other end and non slipping spur 43 butt, the one end that non slipping spur 42 was kept away from to non slipping spur 43 is located first accent 411, the length sum of thrust piece 42 and non slipping spur 43 is greater than the length of leading to chamber 41.

After the rolling bearing is assembled in an external machine, the thrust block 42 applies force to the anti-slip block 43 under the action of the locking device, so that one end, located at the first cavity opening 411, of the anti-slip block 43 abuts against the shell, the anti-slip block 43 is in a compression state at the moment, after the anti-slip block runs for a period of time, a gap occurs between the outer ring 1 and the shell, and the anti-slip block 43 keeps abutting against the shell under the action of the thrust block 42 at the moment, so that the risk of slipping of the outer ring 1 is reduced, and the normal use of the rolling bearing is ensured.

The shape of the through cavity 41 reduces the difficulty of early-stage processing, the quality of finished products is ensured, and the shape of the antiskid block 43 is convenient for applying force to the antiskid block 43 by the thrust block 42, so that the whole antiskid structure 4 runs smoothly.

Thrust block 42 is T-shaped and thrust block 42 includes an enlarged end 421 disposed at an end projecting out of second cavity 412. The shape of the pad 42 provides a greater force bearing area for the pad 42, which provides a more uniform force bearing for the pad 42.

The corner of the through cavity 41 is provided with a fillet 413, and the anti-skid block 43 is integrally cylindrical. Making the movement of the anti-skid block 43 smoother.

The number of the anti-skid structures 4 is at least two, the outer ring 1 is provided with at least two anti-skid groups, and each anti-skid group is composed of two anti-skid structures 4 which are in mirror symmetry and the mirror image surface of each anti-skid group is perpendicular to the axis of the outer ring 1. All the anti-skid groups are rotationally symmetrical along the axis of the outer ring 1. The even distribution of anti-skidding structure 4 makes a plurality of anti-skidding structures 4 of antifriction bearing ability simultaneous working when in actual use, and guarantees that non slipping spur 43 atress is even, guarantees anti-skidding effect.

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 antiskid antifriction bearing of outer lane, includes outer lane, inner circle and rolling element, its characterized in that: the anti-skidding structure comprises an L-shaped or arc-shaped through cavity arranged on the outer ring, a thrust block arranged in the through cavity and an anti-skidding block arranged in the through cavity and made of elastic materials, the through cavity comprises a first cavity opening arranged on the outer wall of the outer ring and a second cavity opening arranged on the end face of the outer ring, the anti-skidding block is integrally arranged in a bending mode, one end of the thrust block protrudes out of the second cavity opening, the other end of the thrust block is abutted to the anti-skidding block, one end, far away from the thrust block, of the anti-skidding block is located in the first cavity opening, and the sum of the lengths of the thrust block and the anti-skidding block is larger than the length of the through cavity.

2. An outer ring anti-slip rolling bearing according to claim 1, characterized in that: the thrust block is made of hard materials, the through cavity is L-shaped, and the anti-skid block is L-shaped.

3. An outer ring anti-slip rolling bearing according to claim 2, characterized in that: the thrust block is T-shaped and comprises an expansion end arranged at one end protruding out of the second cavity opening.

4. An outer ring anti-slip rolling bearing according to claim 3, characterized in that: the corner that leads to the chamber is equipped with the fillet, the non slipping spur wholly is cylindrical.

5. An outer ring anti-slip rolling bearing according to claim 4, characterized in that: the anti-skid structure is at least two, the outer ring is provided with at least one anti-skid group, and the anti-skid group is composed of two anti-skid structures which are in mirror symmetry and the mirror image surface of which is vertical to the axis of the outer ring.

6. An outer ring anti-slip rolling bearing according to claim 5, characterized in that: the anti-skid device is characterized in that at least two anti-skid groups are arranged on the outer ring, and all the anti-skid groups are rotationally symmetrical along the axis of the outer ring.