CN213039703U

CN213039703U - Thin-wall one-way bearing

Info

Publication number: CN213039703U
Application number: CN202021754920.XU
Authority: CN
Inventors: 王顺利
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: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-23
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an one-way bearing of thin wall, including the outer lane, the inner circle, the rolling element, one-way roller, holder and end cover, all be equipped with outer boss on the both sides wall of outer lane, all be equipped with interior boss on the both sides wall of inner circle, one side that the inner circle was kept away from to outer boss is located the outer lane lateral wall and the outer wall smooth transition of interior boss is kept away from to outer boss, one side that the outer lane was kept away from to interior boss is located the inner circle lateral wall and interior boss is located one side that the outer lane was kept away from to interior boss and the inner wall smooth transition of inner circle, increase behind outer boss and the interior boss, the utility model discloses need not fluting, can solve the problem that bearing capacity is low after the one-way bearing fluting of current thin wall, improve life, the position of outer boss and interior boss when not influencing the assembly of bearing.

Description

Thin-wall one-way bearing

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to one-way bearing of thin wall.

Background

The one-way bearing can freely rotate in one direction and is locked in the other direction, and is applied to a plurality of fields of automobiles, household appliances, textiles and the like.

The one-way bearing comprises a thin-wall one-way bearing, the thin-wall one-way bearing is arranged at a position with a smaller installation space, and the thin-wall one-way bearing usually comprises an outer ring, an inner ring, a rolling body, a one-way roller, a retainer and an end cover.

The existing thin-wall one-way bearing generally transmits torque by slotting the outer ring and the inner ring, but the effective wall thickness left after slotting is thinned, so that the bearing capacity of the bearing is influenced, the defect that the effective wall thickness is thinned is more prominent for the thin-wall one-way bearing, and the influence on the service life of the thin-wall one-way bearing is larger.

The existing end cover is fixedly connected with the retainer, and gaps exist between the end cover and the outer ring and between the end cover and the inner ring, so that foreign pollutants cannot be prevented from entering the thin-wall one-way bearing by the end cover, and meanwhile, the lubricating grease in the bearing is easily lost, the operation of the bearing is influenced, and the service life of the bearing is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a thin wall one-way bearing stronger than the bearing capacity of the prior art.

In order to realize the purpose, the utility model discloses a technical scheme is: the thin-wall one-way bearing comprises an outer ring, an inner ring, a rolling body, one-way rollers, a retainer and an end cover, wherein outer bosses are arranged on two side walls of the outer ring, inner bosses are arranged on two side walls of the inner ring, the outer bosses are positioned on one side, far away from the inner ring, of the side wall of the outer ring, the surface, far away from the inner bosses, of the outer boss is in smooth transition with the outer wall of the outer ring, the inner bosses are positioned on one side, far away from the outer ring, of the side wall of the inner ring, the inner bosses are positioned on one side, far away from the outer.

Among the above-mentioned technical scheme, increase outer boss and interior boss after, the utility model discloses need not the fluting, can solve the problem that bearing capacity is low after the one-way bearing fluting of current thin wall, improve life, the position of outer boss and interior boss when not influencing the assembly of bearing, bearing capacity when making things convenient for in-service use.

As the utility model discloses a further setting, the radial arrangement of inner circle is followed to inner boss and outer boss, the axis rotational symmetry that outer boss on the lateral wall of outer lane one side is two at least and follows the bearing, inner boss is unanimous with outer boss quantity.

Among the above-mentioned technical scheme, the quantity and the position of outer boss and interior boss make the utility model discloses the atress is even when practical application.

As the utility model discloses a further setting, the outer boss is kept away from between the face of inner boss and the face of keeping away from the outer lane through first arcwall face transition, the inner boss is kept away from between the face of outer boss and the face of keeping away from the inner circle through the transition of second arcwall face.

Among the above-mentioned technical scheme, first arcwall face and second arcwall face prevent the utility model discloses in the installation, the one end of roller is kept away from with fixed to outer boss and interior boss the utility model discloses a scraping takes place for the part, ensures the utility model discloses install smoothly.

As a further setting of the utility model, the outer wall and the inner wall of end cover are towards outer lane and inner circle respectively, be equipped with the first recess with the coaxial setting of end cover on the outer wall of end cover, be equipped with the second recess with the coaxial setting of end cover on the inner wall of end cover.

Among the above-mentioned technical scheme, in order to prevent that the end cover from influencing the relative motion between outer lane and the inner circle, all there is the clearance between end cover and outer lane and the inner circle, and the existence of first recess and second recess makes all to form labyrinth between end cover and outer lane and the inner circle, and inside the reduction external pollutant gets into the bearing, reduces the loss of inside lubricating grease, extension simultaneously the utility model discloses a life.

As the utility model discloses a further setting, be equipped with first step face on the face of outer lane towards the end cover, the inner circle is equipped with the second step face on the face of end cover, the end cover is clearance fit with first step face and second step face.

Among the above-mentioned technical scheme, the existence of first step face and second step face makes whole labyrinth more complicated, improves labyrinth seal's sealed effect.

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

Drawings

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

FIG. 2 is a front view of an embodiment of the present invention;

fig. 3 is a cross-sectional view a-a of fig. 2.

Detailed Description

When terms such as "upper" and "lower", "right" and "left" or similar relative expressions are used in the present embodiment, these refer only to the accompanying drawings and are not necessarily actual usage.

The embodiment of the utility model is shown in fig. 1-3, a thin-wall one-way bearing comprises an outer ring 01, an inner ring 02, a rolling body 03, a one-way roller 04, a retainer 05 and an end cover 06, in this embodiment, the faces of the two end covers 06 facing the retainer 05 are respectively provided with a groove and a bulge, the two end covers 06 are respectively kept fixed with the retainer 05 through the groove and the bulge, two side walls of the outer ring 01 are respectively provided with an outer boss 011, two side walls of the inner ring 02 are respectively provided with an inner boss 021, the outer boss 011 is positioned at one side of the side wall of the outer ring 01 far away from the inner ring 02, the face of the outer boss 011 far away from the inner boss 021 is in smooth transition with the outer wall of the outer ring 01, the inner boss 021 is positioned at one side of the side wall of the inner ring 02 far away from the outer ring 01, and the face of the inner boss 021 far away from the outer boss 011, the service life is prolonged, the positions of the outer bosses 011 and the inner bosses 021 are not influenced by the assembly of the bearing, the bearing force is convenient to bear in actual use, the inner bosses 021 and the outer bosses 011 are arranged along the radial direction of the inner ring 02, the number of the outer bosses 011 on the side wall of one side of the outer ring 01 is at least two, and the outer bosses 011 are rotationally symmetrical along the axis of the bearing, in the embodiment, three outer bosses 011 are arranged on the side wall of one side of the outer ring 01, the number of the inner bosses 021 is consistent with that of the outer bosses 011, the stress is uniform in the embodiment in actual use, the surfaces of the outer bosses 011, far away from the inner bosses 021, are transited through the first arc-shaped surfaces 0111, the surfaces of the inner bosses 021, far away from the outer bosses 011, and far away from the inner ring 02 are transited through the second arc-shaped surfaces 0211, and the first arc-shaped surfaces 0111 and the second arc-shaped surfaces 0211 prevent the outer, the smooth installation of the embodiment is ensured, the outer wall and the inner wall of the end cover 06 face the outer ring 01 and the inner ring 02 respectively, the outer wall of the end cover 06 is provided with a first groove 061 which is coaxially arranged with the end cover 06, the inner wall of the end cover 06 is provided with a second groove 062 which is coaxially arranged with the end cover 06, in order to prevent the end cover 06 from influencing the relative movement between the outer ring 01 and the inner ring 02, gaps exist between the end cover 06 and the outer ring 01 and between the end cover 01 and the inner ring 02, the existence of the first groove 061 and the second groove 062 enables labyrinth seals to be formed between the end cover 06 and the outer ring 01 and between the end cover 06 and the inner ring 02, the entering of external pollutants into the bearing is reduced, the loss of internal lubricating grease is reduced, the service life of the embodiment is prolonged, the face of the outer ring 01 facing the end cover 06 is provided with a first step face 012, the face of the inner, the whole labyrinth is more complicated, and the sealing effect of the labyrinth seal is improved.

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 a thin wall one-way bearing, includes outer lane, inner circle, rolling element, one-way roller, holder and end cover, its characterized in that: the outer ring is characterized in that outer bosses are arranged on two side walls of the outer ring, inner bosses are arranged on two side walls of the inner ring, the outer bosses are located on one side, far away from the inner ring, of the side wall of the outer ring, the surfaces, far away from the inner bosses, of the outer bosses are in smooth transition with the outer wall of the outer ring, and the inner bosses are located on one side, far away from the outer ring, of the side wall of the inner ring, and the surfaces, far away from the outer bosses.

2. The thin-walled unidirectional bearing of claim 1, wherein: the inner bosses and the outer bosses are arranged along the radial direction of the inner ring, at least two outer bosses are arranged on the side wall of one side of the outer ring and are rotationally symmetrical along the axis of the bearing, and the number of the inner bosses is consistent with that of the outer bosses.

3. The thin-walled unidirectional bearing of claim 2, wherein: the surface of the outer boss, which is far away from the inner boss, is in transition with the surface of the outer ring through a first arc-shaped surface, and the surface of the inner boss, which is far away from the outer boss, is in transition with the surface of the inner ring through a second arc-shaped surface.

4. The thin-walled unidirectional bearing of claim 3, wherein: the outer wall and the inner wall of the end cover face the outer ring and the inner ring respectively, a first groove which is coaxial with the end cover is arranged on the outer wall of the end cover, and a second groove which is coaxial with the end cover is arranged on the inner wall of the end cover.

5. The thin-walled unidirectional bearing of claim 4, wherein: the outer ring is provided with a first step surface on the surface facing the end cover, the inner ring is provided with a second step surface on the surface facing the end cover, and the end cover is in clearance fit with the first step surface and the second step surface.