CN210509976U

CN210509976U - Reinforced sealing deep groove ball bearing

Info

Publication number: CN210509976U
Application number: CN201921272195.XU
Authority: CN
Inventors: 唐先林; 刘珺
Original assignee: Hefei Jinchang Bearing Co ltd
Current assignee: Anhui Jinyue Bearing Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a sealed deep groove ball bearing of strenghthened type, the bearing includes bearing inner race, the steel ball, steel ball holder and two sealing washers, two sealing washers symmetry setting respectively is in the bearing both sides, bearing inner race outer wall and bearing inner race inner wall compress tightly sealing washer inner wall and sealing washer outer wall respectively, be provided with first sealed head and second sealed head on sealing washer inner wall and the sealing washer outer wall respectively, first sealed head is including setting up the bulge loop of middle part position on the sealing washer inner wall, the bulge loop cooperatees with the bearing inner race outer wall, the second sealed head is including setting up the sealing ring on the sealing washer outer wall, the sealing ring cooperatees with the bearing inner race inner wall; the utility model discloses a sealed deep groove ball bearing of strenghthened type, sealing performance is good, has guaranteed that the sealing washer is concentric with the bearing inner race external diameter when rotatory, reduces because of the wearing and tearing that the decentraction arouses reduce sealed effect, and the special structural design of sealing washer has effectually avoided the sealing washer turn-ups scheduling problem to appear in the bearing use simultaneously.

Description

Reinforced sealing deep groove ball bearing

Technical Field

The utility model belongs to the bearing field, more specifically the utility model relates to a sealed deep groove ball bearing of strenghthened type that says so.

Background

The bearing is used for fixing and reducing the load friction coefficient in the mechanical transmission process. It can also be said that the member for reducing the friction coefficient during power transmission and keeping the center position of the shaft fixed when the other members are moved relative to each other on the shaft. The bearing is a lightweight part in modern mechanical equipment. Its main function is to support the mechanical rotating body to reduce the friction coefficient of mechanical load of equipment in the transmission process. According to the requirements of the working condition of the bearing and the working environment on the sealing degree, various sealing forms are generally comprehensively applied on the engineering design so as to achieve better sealing effect. The sealing is not only hard to enter the dust on the outside but also hard to flow out the grease on the inside. The unclean grease on the outside is difficult for flowing into, and the bearing with the sealing ring can effectively prolong the service life of the bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed deep groove ball bearing of strenghthened type, sealing performance is good, has guaranteed that the sealing washer is concentric with the bearing inner circle external diameter when rotatory, reduces the sealed effect of wearing and tearing reduction that arouses because of the decentraction, and the special structural design of sealing washer has effectually avoided the turn-ups scheduling problem to appear in the sealing washer circle in the bearing use simultaneously.

The utility model provides a sealed deep groove ball bearing of strenghthened type, bearing include bearing inner race, steel ball holder and two sealing washers, and two sealing washers symmetry respectively set up in the bearing both sides, and bearing inner race outer wall and bearing inner race inner wall compress tightly sealing washer inner wall and sealing washer outer wall respectively, be provided with first sealed head and the sealed head of second on sealing washer inner wall and the sealing washer outer wall respectively, first sealed head is including setting up the bulge loop of middle part position on the sealing washer inner wall, the bulge loop cooperatees with the bearing inner race outer wall, the sealed head of second is including setting up the sealing ring on the sealing washer outer wall, the sealing ring cooperatees with the bearing inner race inner wall.

Preferably, the bulge loop width is less than sealing washer inner wall width, the side that the bulge loop is close to the bearing center is the plane, is provided with the triangle-shaped clamping ring on the side that the bulge loop is close to the bearing outside, triangle-shaped clamping ring top is provided with the extension clamping ring.

Preferably, a steel ball groove is formed in the outer wall of the bearing inner ring, a first sealing groove is formed in each of two sides of the steel ball groove, and the shape of the first sealing groove is matched with that of the convex ring.

Preferably, the sealing ring is arranged along the side face of the sealing ring close to the center of the bearing, the outer circumferential face of the sealing ring is provided with a locking sealing ring, and the side face of the sealing ring close to the outer side of the bearing is provided with a deforming ring groove.

Preferably, a second sealing groove is formed in the inner wall of the bearing outer ring, and the shape of the second sealing groove is adapted to that of the sealing ring.

Preferably, a fixing ring groove is formed in the side face, close to the center of the bearing, of the sealing ring, and a framework is arranged in the fixing ring groove.

Preferably, the two inner circumferential surfaces of the fixed ring grooves, which are respectively close to the bearing inner ring and the bearing outer ring, are respectively provided with a sealing block.

The utility model discloses technical scheme's beneficial effect is:

according to the reinforced sealing deep groove ball bearing, the first sealing head and the second sealing head which are arranged on the inner wall of the sealing ring and the outer wall of the sealing ring respectively realize the sealing between the sealing ring and the inner ring and the outer ring of the bearing, and the sealing effect is good; the sealing ring is tightly attached to the rotating part of the bearing, namely the outer wall of the inner ring of the bearing, with a certain attaching force, so that good dustproof and waterproof effects are achieved; meanwhile, the probability of grease leakage and emulsification in the bearing can be reduced, and ideal lubrication of the bearing is ensured.

Drawings

FIG. 1 is a cross-sectional view of a reinforced sealed deep groove ball bearing according to the technical solution of the present invention,

FIG. 2 is an enlarged view of the point A in FIG. 1, namely a partial enlarged view of the installation of the seal ring with the bearing inner ring and the bearing outer ring,

figure 3 is a schematic view of the structure of the sealing ring,

figure 4 is a schematic cross-sectional view of the inner race of the bearing,

FIG. 5 is a cross-sectional schematic view of a bearing outer race.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

As shown in fig. 1 to 5, a reinforced sealing deep groove ball bearing includes a bearing inner ring 2, a bearing outer ring 1, steel balls 4, a steel ball holder 3 and two sealing rings 5, wherein the two sealing rings 5 are respectively symmetrically disposed at two sides of the bearing, a bearing inner ring outer wall 23 and a bearing outer ring inner wall 13 respectively press against a sealing ring inner wall 59 and a sealing ring outer wall 50, the sealing ring inner wall 59 and the sealing ring outer wall 50 are respectively provided with a first sealing head 51 and a second sealing head 52, the first sealing head 51 includes a convex ring 511 disposed at a middle position on the sealing ring inner wall 59, the convex ring 511 is matched with the bearing inner ring outer wall 23, the second sealing head 52 includes a sealing ring 521 disposed on the sealing ring outer wall, and the sealing ring 521 is matched with the bearing outer ring inner wall 13.

Based on the technical scheme, grooves matched with the convex ring 511 and the sealing ring 521 and used for sealing are respectively arranged on the outer wall 23 of the bearing inner ring and the inner wall 13 of the bearing outer ring, at least one structure used for blocking oil or water is arranged in each groove, and the sealing ring 5 is tightly attached to the rotating part of the bearing, namely the outer wall 23 of the bearing inner ring, with a certain attaching force, so that good dustproof and waterproof effects are achieved; meanwhile, the probability of grease leakage and emulsification in the bearing can be reduced, and ideal lubrication of the bearing is ensured.

As shown in fig. 2, 3 and 4, the width of the protruding ring 511 is smaller than the width of the inner wall 59 of the sealing ring, the side of the protruding ring 511 close to the center of the bearing is a plane, the side of the protruding ring 511 close to the outer side of the bearing is provided with a triangular pressing ring 53, the top of the triangular pressing ring 53 is provided with an extension pressing ring 54, the outer wall 23 of the bearing inner ring is provided with a steel ball groove 22, two sides of the steel ball groove 22 are respectively provided with a first sealing groove 21, the shape of the first sealing groove 21 is adapted to the protruding ring 511, the cross section of the first sealing groove 21 is V-shaped, the side close to the center of the bearing is parallel to the end surface of the bearing, the other side of the first sealing groove 21 is arranged as an inclined shape, on one hand, the design of the structure is convenient for the first sealing head 51 to be arranged in the first sealing groove 21 and, the problems of vibration, deviation and the like can not be generated, and good dustproof and waterproof effects are achieved; meanwhile, the probability of grease leakage and emulsification in the bearing can be reduced, the ideal lubrication of the bearing is ensured, and the problem of abrasion caused by non-concentric and coaxial bearings is avoided; the special structure in this technical scheme sets up, can effectually avoid sealing washer 5 turn-ups scheduling problem to appear in long-term the use.

As shown in fig. 2, 3 and 5, the sealing ring 521 is disposed along a side surface of the sealing ring 5 close to the center of the bearing, a locking sealing ring 56 is disposed on an outer circumferential surface of the sealing ring 521, a deforming ring groove 57 is disposed on a side surface of the sealing ring 521 close to the outer side of the bearing, a second sealing groove 11 is disposed on the inner wall 13 of the outer ring of the bearing, and the shape of the second sealing groove 11 is adapted to that of the sealing ring 521; the design of the structure is convenient for the installation of the sealing ring 5 and the bearing outer ring 1 on one hand, and is convenient for the other hand, the sealing between the sealing ring 5 and the bearing outer ring 1 is realized, and good dustproof and waterproof effects are achieved; meanwhile, the probability of grease leakage and emulsification inside the bearing can be reduced, ideal lubrication of the bearing is guaranteed, and due to the arrangement of the special structure in the technical scheme, the problems that the sealing ring 5 is turned over in long-term use and the like can be effectively avoided.

As shown in fig. 2 and fig. 3, a fixing ring groove 55 is provided on a side surface of the sealing ring 5 close to the center of the bearing, a framework 6 is provided in the fixing ring groove 55, and two inner circumferential surfaces of the fixing ring groove 55 close to the inner ring and the outer ring of the bearing are respectively provided with a sealing block 58; the sealing block 58 is designed to facilitate the mounting and dismounting of the framework 6 on one hand and to seal grease inside the bearing on the other hand.

As shown in fig. 1 to 5, a reinforced sealing deep groove ball bearing can prevent water from entering the outside of the bearing, and a convex ring 511 of a rubber sealing ring is tightly attached to the rotating part of the bearing, namely the outer wall of an inner ring 2 of the bearing, with a certain attaching force, so as to play a good role in dust prevention and water prevention; meanwhile, the probability of grease leakage and emulsification in the bearing can be reduced, and ideal lubrication of the bearing is ensured. During actual processing and installation, the existing geometric tolerance of the sealing ring is compressed by 15%, and the ovality and the outer diameter dimensional tolerance of the sealing groove of the outer ring of the bearing are compressed at the same time, so that the sealing ring is ensured to be coaxially arranged with the outer wall of the inner ring of the bearing during rotation, abrasion caused by different shafts is reduced, and the sealing effect is reduced; meanwhile, the problem that the lip edge of the sealing ring is turned over or damaged in assembly and use can be avoided.

The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.

Claims

1. The utility model provides a sealed deep groove ball bearing of strenghthened type, bearing include bearing inner race, steel ball holder and two sealing washers, and two sealing washers symmetry settings are respectively in the bearing both sides, and bearing inner race outer wall and bearing inner race inner wall compress tightly sealing washer inner wall and sealing washer outer wall respectively, its characterized in that, be provided with first sealed head and the sealed head of second on sealing washer inner wall and the sealing washer outer wall respectively, first sealed head is including setting up the bulge loop of middle part position on the sealing washer inner wall, the bulge loop cooperatees with the bearing inner race outer wall, the sealed head of second is including setting up the sealing ring on the sealing washer outer wall, the sealing ring cooperatees with the bearing.

2. The reinforced sealing deep groove ball bearing of claim 1, wherein the width of the convex ring is smaller than the width of the inner wall of the sealing ring, the side of the convex ring close to the center of the bearing is a plane, a triangular pressing ring is arranged on the side of the convex ring close to the outer side of the bearing, and an extension pressing ring is arranged at the top of the triangular pressing ring.

3. The deep groove ball bearing with enhanced sealing of claim 2, wherein a first sealing groove is formed on the outer wall of the inner ring of the bearing, and the first sealing groove is formed on each of two sides of the first steel groove and is adapted to the convex ring in shape.

4. The deep groove ball bearing with enhanced sealing of claim 1, wherein the sealing ring is disposed along a side of the sealing ring near the center of the bearing, the outer circumferential surface of the sealing ring is provided with a locking sealing ring, and a deforming ring groove is disposed on a side of the sealing ring near the outer side of the bearing.

5. The deep groove ball bearing with enhanced sealing of claim 4, wherein a second sealing groove is formed in the inner wall of the outer ring of the bearing, and the shape of the second sealing groove is adapted to that of the sealing ring.

6. The enhanced seal deep groove ball bearing according to claim 1, wherein a fixing ring groove is formed on a side surface of the seal ring close to the center of the bearing, and a skeleton is arranged in the fixing ring groove.

7. The deep groove ball bearing with enhanced sealing as claimed in claim 6, wherein the fixing ring grooves are respectively provided with sealing blocks on the inner circumferential surfaces close to the inner ring and the outer ring of the bearing.