CN213839280U - Deep groove ball bearing - Google Patents

Abstract

A deep groove ball bearing comprises a bearing outer ring, a bearing inner ring, a retainer and balls arranged in the retainer, wherein a rubber sealing ring is arranged between the bearing outer ring and the bearing inner ring, and one end of the rubber sealing ring, facing the outer surface of the bearing inner ring, is in clearance fit with the outer surface of the bearing inner ring; a transverse sealing lip is arranged at the end part of one end, facing the bearing outer ring, of the rubber bearing sealing ring, interference fit is formed between the transverse sealing lip and the inner surface of the bearing outer ring, and a semicircular sealing lip is arranged at one end, far away from the ball, of the upper surface of the transverse sealing lip; be provided with on the bearing inner race 1 with horizontal seal lip 6 matched with breach to make horizontal seal lip 6 can the block fix at the breach, form interference fit with the breach simultaneously, and then the effectual lubricating grease that prevents in the bearing etc. outwards leaks.

Description

Deep groove ball bearing

Technical Field

The utility model relates to a bearing technical field, what exactly said so is a deep groove ball bearing.

Background

The deep groove ball is the most representative rolling bearing, and the bearing has the advantages of small friction coefficient, high limit rotating speed, simple structure, low manufacturing cost, easy achievement of higher manufacturing precision, various size ranges and form changes, and wide application as a gearbox bearing.

The sealing performance of the bearing is an important index of the bearing, and the sealing performance is mainly reflected in the aspects of oil leakage prevention, grease leakage prevention, dust prevention, water prevention and the like of the bearing. The bearings with different purposes have different requirements on the sealing performance, wherein the sealing performance of the bearings does not meet or meet the use requirements, external silt, dust, water vapor and the like are invaded, noise vibration is generated, the abrasion of the roller path and the roller is aggravated, the fatigue stripping is generated on the surface of the roller path and the surface of the roller, and the service life and the quality of the bearings are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deep groove ball bearing in order to solve the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme is:

a deep groove ball bearing comprises a bearing outer ring, a bearing inner ring, a retainer and balls arranged in the retainer, wherein a rubber sealing ring is arranged between the bearing outer ring and the bearing inner ring, and one end of the rubber sealing ring, facing the outer surface of the bearing inner ring, is in clearance fit with the outer surface of the bearing inner ring; the rubber seal orientation bearing inner race one end tip is provided with the transverse seal lip, the transverse seal lip with bearing inner race internal surface forms interference fit, the transverse seal lip upper surface is kept away from the one end of ball is provided with the semicircle seal lip.

In one embodiment, a groove is arranged on the outer surface of the bearing inner ring, and the groove and the rubber sealing ring form clearance fit.

In one embodiment, the bearing outer ring is provided with a notch which is matched with the transverse sealing lip, and the notch and the transverse sealing lip are in interference fit.

In one embodiment, a semicircular groove matched with the semicircular sealing lip is arranged on the inner surface of the bearing outer ring, and the semicircular groove is in interference fit with the semicircular sealing lip.

In one embodiment, a skeleton is further disposed within the rubber seal ring.

The utility model has the advantages that:

1. the utility model has the advantages that the rubber sealing ring is arranged between the bearing outer ring and the bearing inner ring, and one end of the rubber sealing ring facing the outer surface of the bearing inner ring is in clearance fit with the outer surface of the bearing inner ring; the rubber seal orientation bearing inner race one end tip is provided with the transverse seal lip, the transverse seal lip with bearing inner race internal surface forms interference fit, the transverse seal lip upper surface is kept away from the one end of ball is provided with the semicircle seal lip to through rubber seal one end and bearing inner race clearance fit, the other end and bearing inner race interference fit, thereby can prolong the life of bearing.

2. The utility model has the advantages that the bearing outer ring is provided with the notch matched with the transverse sealing lip; the inner surface of the bearing outer ring is provided with a semicircular groove matched with the semicircular sealing lip, so that the transverse sealing lip can be fixedly clamped on the notch, and meanwhile, the semicircular sealing lip can be matched with the semicircular groove to play a role of fixing the rubber sealing ring.

Drawings

Fig. 1 is a schematic structural diagram of the deep groove ball bearing of the present invention.

Fig. 2 is a schematic diagram of the structure of the sealing ring of the present invention.

In the figure, the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a bearing inner ring 3, a retainer 4, balls 5, a rubber sealing ring 6, a transverse sealing lip 7 and a semicircular sealing lip.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, feature details such as specific configurations and components are provided only to help a full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

The utility model provides a deep groove ball bearing.

As shown in fig. 1-2, a deep groove ball bearing includes a bearing outer ring 1, a bearing inner ring 2, a retainer 3, and balls 4 disposed in the retainer 3, wherein a rubber seal ring 5 is disposed between the bearing outer ring 1 and the bearing inner ring 2, and one end of the rubber seal ring 5 facing the outer surface of the bearing inner ring 2 forms a clearance fit with the outer surface of the bearing inner ring 2; specifically, be provided with the recess on the surface of bearing inner race 2, the recess with rubber seal 5 forms clearance fit to through in thick 2 on the recess with rubber seal's one end clearance fit makes rubber seal's one end can rotate on the bearing inner race, can also prevent outwards leaking such as the lubricating grease in the bearing simultaneously.

Further, a transverse sealing lip 6 is arranged at the end part of the rubber sealing ring 5 facing one end of the bearing outer ring 1, the transverse sealing lip 6 and the inner surface of the bearing outer ring 1 form interference fit, and a semicircular sealing lip 7 is arranged at one end, far away from the ball 4, of the upper surface of the transverse sealing lip 6; specifically, bearing inner race 1 is last be provided with horizontal seal lip 6 matched with breach to make horizontal seal lip 6 can the block fix at the breach, form interference fit with the breach simultaneously, and then the effectual lubricating grease that prevents in the bearing etc. outwards leaks, more specifically, the breach sets up in one side of bearing inner race 1, undertakes can be better fixed with rubber seal 5.

Further, set up in on the internal surface of bearing inner race 1 semicircle seal lip 7 assorted semicircular groove, semicircular groove with semicircle seal lip 7 forms interference fit to after horizontal seal lip is fixed with the breach block, cooperate through semicircle seal lip 7 and semicircular groove, can further fix the sealing washer on bearing inner race 1, can also restrict horizontal seal lip 6 simultaneously and become flexible from the breach.

In addition, a framework is further arranged in the rubber sealing ring 5, so that the strength of the rubber sealing ring can be enhanced through the framework.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. The utility model provides a deep groove ball bearing, includes bearing inner race (1), bearing inner race (2), holder (3) and ball (4) of setting in holder (3), bearing inner race (1) with be provided with rubber seal (5), its characterized in that between bearing inner race (2): one end of the rubber sealing ring (5) facing the outer surface of the bearing inner ring (2) is in clearance fit with the outer surface of the bearing inner ring (2); rubber seal (5) orientation bearing inner race (1) one end tip is provided with transverse seal lip (6), transverse seal lip (6) with bearing inner race (1) internal surface forms interference fit, transverse seal lip (6) upper surface is kept away from the one end of ball (4) is provided with semicircle seal lip (7).

2. The deep groove ball bearing of claim 1, wherein: the outer surface of the bearing inner ring (2) is provided with a groove, and the groove and the rubber sealing ring (5) form clearance fit.

3. The deep groove ball bearing of claim 1, wherein: the bearing outer ring (1) is provided with a notch matched with the transverse sealing lip (6), and the notch and the transverse sealing lip (6) form interference fit.

4. A deep groove ball bearing according to claim 3, characterized in that: the inner surface of the bearing outer ring (1) is provided with a semicircular groove which is matched with the semicircular sealing lip (7), and the semicircular groove and the semicircular sealing lip (7) form interference fit.

5. The deep groove ball bearing of claim 1, wherein: and a framework is also arranged in the rubber sealing ring (5).

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