CN219388451U

CN219388451U - Double-layer high-performance sealed bearing

Info

Publication number: CN219388451U
Application number: CN202320358709.3U
Authority: CN
Inventors: 候利昌; 欧阳娟; 陈伟光
Original assignee: Wujiang Ouchuang Electromechanical Co ltd
Current assignee: Wujiang Ouchuang Electromechanical Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-21
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a double-layer high-performance sealed bearing, which belongs to the technical field of mechanical parts and comprises an outer ring, wherein an outer groove is formed in the inner side wall of the outer ring, an inner ring is arranged on the inner side of the outer ring, an inner groove is formed in the outer side wall of the inner ring, a plurality of balls are movably connected between the outer ring and the inner ring, an upper sealing ring and a lower sealing ring are movably connected between the outer ring and the inner ring, a limiting mechanism is arranged on the side wall of the sealing ring, which is close to the balls, respectively, a plurality of lubricating mechanisms are arranged on the side wall of the sealing ring, the limiting mechanisms comprise a plurality of arc plates, the arc plates are fixedly connected to the side wall of the sealing ring, which is close to the balls, and the arc plates are oppositely arranged in pairs.

Description

Double-layer high-performance sealed bearing

Technical Field

The utility model relates to the technical field of mechanical parts, in particular to a double-layer high-performance sealing bearing.

Background

The bearing is an important part in modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the bearing is used on mechanical equipment such as a machine tool, a drilling machine, a transmission shaft and the like which are commonly used in life, so that the bearing is required to be different according to different machines.

According to patent search, a Chinese patent with a publication No. CN216922881U discloses a sealing bearing with a protection function, a structural design of a bent inner framework is adopted for a sealing ring, a lip part of the sealing ring is designed into a V shape, and the sealing lip is tightly attached to the inner ring by using the pressure of the framework, so that an ideal sealing effect is achieved.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a double-layer high-performance sealed bearing, which can realize that the bearing is sealed, meanwhile, the balls can be limited, the balls can be lubricated, the increase of friction coefficient is reduced, and the transmission precision of the bearing is reduced.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The double-layer high-performance sealed bearing comprises an outer ring, an outer groove is formed in the inner side wall of the outer ring, an inner ring is arranged on the inner side of the outer ring, an inner groove is formed in the outer side wall of the inner ring, a plurality of balls are movably connected between the outer ring and the inner ring, an upper sealing ring and a lower sealing ring are movably connected between the outer ring and the inner ring, limiting mechanisms are arranged on the side walls, close to one side of the balls, of the sealing ring, and a plurality of lubricating mechanisms are respectively arranged on the side walls of the sealing rings.

Further, stop gear includes a plurality of arc, arc fixed connection is on the sealing washer is close to one side lateral wall of ball, the arc corresponds the pairwise opposite setting that is, the ball all is located two arcs of homonymy and roll with it and be connected.

Further, the lubrication mechanism comprises a plurality of round holes, the round holes are uniformly formed in the side wall of the sealing ring, a plurality of sealing plugs are movably connected in the round holes, an annular groove is formed in the sealing ring, oil outlet holes are formed in the side, close to the balls, of the annular groove, and the oil outlet holes penetrate through the arc-shaped plate.

Further, a plurality of storage grooves are formed in the side wall of the sealing ring, the diameter of each storage groove is larger than that of the round hole, and the storage grooves correspond to the sealing plug.

Further, an upper groove and a lower groove are formed in the inner side wall of the outer ring and the outer side wall of the inner ring, the grooves are in annular arrangement, and the grooves are movably connected with the sealing ring.

Further, the heights of the outer ring and the inner ring are larger than the height of the sealing ring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the technical scheme, the sealing ring and the limiting mechanism are matched with each other, the bearing is subjected to sealing treatment through the sealing ring, so that external dust cannot enter the bearing, the balls can be effectively limited through two opposite arc plates on two sides, the distance between the balls is consistent, and the transmission speed of the bearing is guaranteed to be the same.

(2) According to the technical scheme, through mutual matching among the sealing ring, the round hole, the sealing plug, the lubricating mechanism and the like, lubricant can be added into the round hole according to requirements, and the balls in the bearing are lubricated through the annular groove and the groove, so that the phenomenon that the friction resistance of the balls is overlarge during movement is avoided, and the bearing is caused to run and the rotation precision is reduced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is a schematic view of a lubrication mechanism according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the present utility model

The reference numerals in the figures illustrate:

1. an outer ring; 2. an inner ring; 3. an inner tank; 4. an outer groove; 5. a ball; 6. a seal ring; 7. an arc-shaped plate; 8. an oil outlet hole; 9. a round hole; 10. a sealing plug; 11. a storage groove; 12. an annular groove; 13. a groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-5, the double-layer high-performance sealed bearing comprises an outer ring 1, an outer groove 4 is formed in the inner side wall of the outer ring 1, an inner ring 2 is arranged on the inner side of the outer ring 1, an inner groove 3 is formed in the outer side wall of the inner ring 2, a plurality of balls 5 are movably connected between the outer ring 1 and the inner ring 2, an upper sealing ring 6 and a lower sealing ring 6 are movably connected between the outer ring 1 and the inner ring 2, limiting mechanisms are arranged on the side walls of the sealing rings 6, which are close to the balls 5, respectively, a plurality of lubricating mechanisms are arranged on the side walls of the sealing rings 6, and the heights of the outer ring 1 and the inner ring 2 are larger than those of the sealing rings 6.

Referring to fig. 3, the limiting mechanism comprises a plurality of arc plates 7, wherein the arc plates 7 are fixedly connected to the side wall of one side, close to the balls 5, of the sealing ring 6, the arc plates 7 are oppositely arranged in pairs, the balls 5 are located in the two arc plates 7 on the same side and are in rolling connection with the two arc plates, the balls 5 are limited, and the balls 5 can be uniformly mounted on the bearings to ensure normal transmission.

Referring to fig. 4, the lubrication mechanism comprises a plurality of round holes 9, the round holes 9 are uniformly formed in the side wall of the sealing ring 6, a plurality of sealing plugs 10 are movably connected in the round holes 9, an annular groove 12 is formed in the sealing ring 6, oil outlet holes 8 are formed in the side, close to the balls 5, of the annular groove 12, the oil outlet holes 8 penetrate through the arc-shaped plate 7, the balls 5 can be lubricated, and the transmission precision of the balls 5 is improved.

Referring to fig. 3, a plurality of accommodating grooves 11 are formed in the side wall of the sealing ring 6, the diameter of each accommodating groove 11 is larger than that of the round hole 9, the accommodating grooves 11 correspond to the sealing plug 10, and the accommodating box 11 can accommodate the sealing plug 10.

Referring to fig. 5, an upper groove 13 and a lower groove 13 are formed in the inner side wall of the outer ring 1 and the outer side wall of the inner ring 2, the grooves 13 are in annular arrangement, and the grooves 13 are movably connected with the sealing ring 6.

When in use: firstly, the sealing ring 6 is arranged in the groove 13 between the outer ring 1 and the inner ring 2, meanwhile, two corresponding arc plates 7 on the sealing ring 6 wrap and limit the balls 5 in the bearing, so that the distance between each ball 5 is equal, the balls 5 are prevented from converging to affect the bearing transmission, then the sealing plug 10 on the sealing ring 6 can be taken out to pour the lubricant into the round hole 9, the sealing plug 10 is plugged into the round hole 9 to seal, when the balls 5 rotate at a high speed, certain heat energy can be generated, the flow speed of the lubricant is increased due to the heat generated by the bearing, and the lubricant lubricates the balls 5 through the oil outlet 8, so that the friction force of the balls 5 is reduced when the balls 5 run at a high speed, and the transmission precision of the balls 5 is improved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Double-deck high performance sealed bearing, including outer lane (1), outer lane (1) inside wall has seted up outer groove (4), outer lane (1) inboard is provided with inner circle (2), inner groove (3) have been seted up to inner circle (2) lateral wall, swing joint has a plurality of ball (5), its characterized in that between outer lane (1) and inner circle (2): an upper sealing ring (6) and a lower sealing ring (6) are movably connected between the outer ring (1) and the inner ring (2), a limiting mechanism is arranged on the side wall of one side, close to the ball (5), of the sealing ring (6), and a plurality of lubricating mechanisms are respectively arranged on the side wall of the sealing ring (6).

2. The double layer high performance sealed bearing of claim 1, wherein: the limiting mechanism comprises a plurality of arc plates (7), wherein the arc plates (7) are fixedly connected to the side wall of one side, close to the ball (5), of the sealing ring (6), the arc plates (7) are oppositely arranged in pairs, and the ball (5) are located in the two arc plates (7) on the same side and are in rolling connection with the two arc plates.

3. The double layer high performance sealed bearing of claim 1, wherein: the lubricating mechanism comprises a plurality of round holes (9), the round holes (9) are uniformly formed in the side wall of the sealing ring (6), a plurality of sealing plugs (10) are movably connected in the round holes (9), annular grooves (12) are formed in the sealing ring (6), oil outlet holes (8) are formed in the positions, close to one sides of the balls (5), of the annular grooves (12), and the oil outlet holes (8) penetrate through the arc-shaped plates (7).

4. A double layer high performance sealed bearing according to claim 3, wherein: the side wall of the sealing ring (6) is provided with a plurality of storage grooves (11), the diameter of each storage groove (11) is larger than that of the round hole (9), and each storage groove (11) corresponds to the sealing plug (10).

5. The double layer high performance sealed bearing of claim 1, wherein: an upper groove (13) and a lower groove (13) are formed in the inner side wall of the outer ring (1) and the outer side wall of the inner ring (2), the grooves (13) are in annular arrangement, and the grooves (13) are movably connected with the sealing ring (6).

6. The double layer high performance sealed bearing of claim 1, wherein: the heights of the outer ring (1) and the inner ring (2) are larger than the heights of the sealing rings (6).