CN219432276U

CN219432276U - Waterproof low friction loss sealing ring bearing

Info

Publication number: CN219432276U
Application number: CN202320723436.8U
Authority: CN
Inventors: 朱江锋
Original assignee: Hangzhou Minggang Machinery Co ltd
Current assignee: Zhejiang Minggang Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-28
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a waterproof low-friction sealing ring bearing, which relates to the technical field of bearings and comprises an outer ring and an inner ring, wherein the outer ring is positioned outside the inner ring, a plurality of equidistant balls are rotationally connected between the outer ring and the inner ring.

Description

Waterproof low friction loss sealing ring bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a waterproof low-friction-loss sealing ring bearing.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision; however, the existing bearing is poor in waterproof and dustproof effects, so that balls between the outer ring and the inner ring are easy to corrode and damage, and the stability of the balls is poor, so that the overall stability of the bearing is poor.

The prior patent (publication No. CN 206972758U) discloses a bearing, which comprises an outer ring, sliding balls, a bearing protecting sleeve, an inner ring, an axle surface and a glib, wherein the outer ring is of a circular structure, the upper part of the outer ring is provided with the axle surface and is of an integral structure, the protecting sleeves are provided with two mutually parallel, the protecting sleeves are respectively nested at the left side and the right side of the outer ring, the sliding balls are provided with more than two, the sliding balls are uniformly and equidistantly arranged in the outer ring and are in clearance fit, the inner ring protecting sleeve is of a circular structure, the inner ring protecting sleeve is respectively nested at the inner side of the bearing protecting sleeve, the inner ring is arranged in the middle of the inner ring and is of an integral structure, and the glib is nested on the axle surface and is in interference fit; through the structure of the oil nozzle, when the oil nozzle is used, the sliding ball in the outer ring can be added with lubricating oil through the screw below the nut to be screwed into the shaft surface and then through the oil nozzle hole on the nut, so that the oil nozzle can be better used, is not easy to rust and has long service life; in the implementation process of the scheme, the waterproof and dustproof effects between the outer ring and the inner ring are poor, so that the balls between the outer ring and the inner ring are easy to corrode and damage, and the stability of the balls is poor, so that the overall stability of the bearing is poor.

For this reason, it is necessary to provide a waterproof low-friction seal ring bearing which solves the above technical problems.

Disclosure of Invention

The utility model provides a waterproof low-friction sealing ring bearing, which solves the technical problems that the existing bearing is poor in waterproof and dustproof effects, balls between an outer ring and an inner ring are easy to corrode and damage, the stability of the balls is poor, and the overall stability of the bearing is poor.

In order to solve the technical problems, the waterproof low-friction sealing ring bearing comprises an outer ring and an inner ring, wherein the outer ring is positioned outside the inner ring, a plurality of equidistant balls are rotationally connected between the outer ring and the inner ring, an outer annular groove and an inner annular groove which are matched with the balls are respectively formed in the inner wall of the outer ring and the outer wall of the inner ring, two sealing rings are rotationally connected between the outer ring and the inner ring, the two sealing rings are respectively positioned at the top and the bottom of the balls, a plurality of sealing balls are respectively embedded between the outer ring and the inner ring and the sealing rings, the outer walls of the adjacent two sealing balls are jointed, sealing rings are respectively installed on the outer wall and the inner wall of the sealing rings, limit annular grooves matched with the sealing rings are respectively formed in the inner wall of the outer ring and the outer wall of the inner ring, a plurality of first balls are respectively embedded between the outer wall of the sealing rings and the limit annular grooves, and the outer walls of the adjacent two first balls are jointed.

Preferably, the outer ring, the inner ring, the balls and the sealing ring are all made of stainless steel.

Preferably, a plurality of second spheres are embedded between the upper surface and the lower surface of the sealing ring and the limiting annular groove, and the outer walls of two adjacent second spheres are attached.

Preferably, arc blocks are rotatably connected between two adjacent balls.

Preferably, grooves matched with the balls are formed in two ends of the arc-shaped block.

Preferably, a plurality of third spheres are embedded in the inner wall of the groove.

Compared with the related art, the waterproof low-friction sealing ring bearing provided by the utility model has the following beneficial effects:

1. according to the utility model, the outer ring, the inner ring and the balls are not easy to move up and down by arranging the outer ring groove and the inner ring groove, dust and water are prevented between the outer ring and the inner ring by arranging the sealing ring and the limiting annular groove and utilizing the sealing ring, the balls are not easy to corrode and damage, friction force between the outer ring and the inner ring and the sealing ring is reduced by arranging the plurality of sealing balls, the sealing ring is not easy to separate from the outer ring and the inner ring by being matched with the sealing ring and the first ball, friction force between the sealing ring and the limiting annular groove is reduced by arranging the first ball and the second ball, rotation of the outer ring and the inner ring is ensured to be smoother, and dust and water preventing effects of the sealing ring and the sealing ring are improved.

2. According to the utility model, the arc-shaped blocks are arranged to further limit the rotation process of the balls between the outer ring and the inner ring, so that the balls are more stable in the rotation process, the grooves are arranged to ensure that the arc-shaped blocks are not easy to move up and down between the two balls, so that the rotation process of the balls is more stable, and the plurality of third balls are arranged to reduce the friction force between the balls and the grooves, so that the rotation process of the balls is more stable and smooth, and the friction damage of the balls is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a waterproof low-friction seal ring bearing;

FIG. 2 is a schematic cross-sectional view of a waterproof low-friction seal ring bearing;

FIG. 3 is a schematic cross-sectional view of a seal ring in a waterproof low-friction seal ring bearing;

FIG. 4 is a schematic cross-sectional view of an inner race of a waterproof low-friction seal ring bearing;

FIG. 5 is an enlarged view of the structure at A in FIG. 2;

fig. 6 is an enlarged view of the structure at B in fig. 3.

Reference numerals in the drawings: 1. an outer ring; 2. an inner ring; 3. a ball; 4. an outer annular groove; 5. an inner annular groove; 6. a seal ring; 7. a sealing ball; 8. a seal ring; 9. a limit annular groove; 10. a first sphere; 11. a second sphere; 12. an arc-shaped block; 13. a groove; 14. and a third sphere.

Detailed Description

Embodiments of the present utility model are described in detail below.

An embodiment I is given by figures 1-6, a waterproof low friction loss seal ring bearing, which comprises an outer ring 1 and an inner ring 2, wherein the outer ring 1 is positioned outside the inner ring 2, a plurality of equidistant balls 3 are rotationally connected between the outer ring 1 and the inner ring 2, an outer annular groove 4 and an inner annular groove 5 which are matched with the balls 3 are respectively formed in the inner wall of the outer ring 1 and the outer wall of the inner ring 2, two seal rings 6 are rotationally connected between the outer ring 1 and the inner ring 2, the two seal rings 6 are respectively positioned at the top and the bottom of the balls 3, a plurality of seal balls 7 are respectively embedded between the outer ring 1 and the inner ring 2 and the seal rings 6, the outer wall and the inner wall of each seal ring 6 are fixedly provided with a seal ring 8, a limit annular groove 9 which is matched with the seal ring 8 is formed between the inner wall of the outer ring 1 and the outer ring 2, a plurality of first balls 10 are embedded between the outer wall of each seal ring 8 and the limit annular groove 9, by arranging the outer annular groove 4 and the inner annular groove 5, the balls 1, 2 and 3 are not easy to move up and down, the balls 2 are not easy to be arranged, the friction loss is guaranteed between the outer ring 1 and the inner ring 2 and the outer ring 2 is reduced, the seal ring 2 is more easily, the friction loss is guaranteed is reduced by arranging the seal rings 1 and the seal rings 2, the seal ring 2 are more easily and the seal ring 2 are more easily removed, the friction loss is reduced by arranging the seal rings 1 and the seal rings 2 and the seal ring 2, the seal ring 2 is more has the friction loss is more easily and the friction loss is guaranteed, and the friction loss is more is guaranteed, the friction loss is more is reduced, and the friction loss is reduced and the friction loss, meanwhile, the dustproof and waterproof effects of the sealing ring 6 and the sealing ring 8 are improved.

In addition, for outer ring 1, inner ring 2, ball 3 and sealing washer 6, the material is the stainless steel, and the stainless steel is more wear-resisting and is withstand voltage the trace nature than other metal material of same thickness to be difficult for corrosion damage, thereby prolonged outer ring 1, inner ring 2, ball 3 and sealing washer 6's life.

In addition, to sealing ring 8, all inlay between its upper surface and lower surface and spacing ring channel 9 and be equipped with a plurality of second spheroids 11, the outer wall of two adjacent second spheroids 11 laminating mutually, through setting up a plurality of second spheroids 11, make the rotation of sealing ring 8 more stable, promoted sealing effect of sealing ring 8 simultaneously.

On the basis of embodiment one, referring to fig. 4, arc blocks 12 are rotationally connected between two adjacent balls 3, through setting up arc blocks 12, the rotation process of balls 3 between outer ring 1 and inner ring 2 is further limited, the rotation process of balls 3 is more stable, grooves 13 matched with balls 3 are formed at two ends of arc blocks 12, through setting up grooves 13, arc blocks 12 are more stable between two balls 3, arc blocks 12 are not easy to move up and down, the rotation process of balls 3 is more stable, a plurality of third balls 14 are embedded in the inner wall of grooves 13, friction force between balls 3 and grooves 13 is reduced through setting up a plurality of third balls 14, the rotation process of balls 3 is ensured to be smoother, and friction damage of balls 3 is reduced.

Working principle:

when the ball 3 is not easily corroded and damaged due to dust and water prevention between the outer ring 1 and the inner ring 2:

through setting up outer annular groove 4 and interior annular groove 5, ensure that outer lane 1, inner circle 2 and ball 3 all are difficult for reciprocating, through setting up sealing ring 8 and spacing ring channel 9 and utilize sealing washer 6 and dustproof and waterproof between outer lane 1 and inner circle 2, ensure that ball 3 is difficult for corrosion damage, through setting up a plurality of sealing balls 7, the frictional force between outer lane 1 and inner circle 2 and sealing washer 6 has been reduced, and through the cooperation with sealing ring 8 and first spheroid 10 use, ensure that sealing washer 6 is difficult for breaking away from outer lane 1 and inner circle 2, and because of adjacent two (7) outer walls laminating mutually and promoted the leakproofness, through setting up first spheroid 10 and second spheroid 11, the frictional force between sealing ring 8 and the spacing ring channel 9 has been reduced, ensure that the rotation of outer lane 1 and inner circle 2 is more smooth and easy, the dustproof and waterproof effect of sealing ring 6 and sealing ring 8 has been promoted simultaneously.

Ensure the rolling process of the ball 3 to be more stable and smooth and reduce the friction damage:

through setting up arc piece 12, further spacing to ball 3 in the rotation process between outer lane 1 and inner circle 2, make ball 3 rotate the in-process more stable, through setting up recess 13, ensure that arc piece 12 is difficult for reciprocating between two balls 3, and then make ball 3's rotation process more stable, through setting up a plurality of third spheroids 14, reduced the frictional force between ball 3 and recess 13, and then ensure ball 3's rotation process more stable and smooth, and reduce ball 3's friction is impaired.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof low friction loss sealing ring bearing, includes outer lane (1) and inner circle (2), its characterized in that, outer lane (1) is located the outside of inner circle (2), rotates between outer lane (1) and inner circle (2) and is connected with a plurality of equidistant ball (3), outer annular groove (4) and inner annular groove (5) with ball (3) looks adaptation have been seted up respectively to the outer wall of inner lane (1) and inner circle (2), rotate between outer lane (1) and inner circle (2) and be connected with two sealing washer (6), two sealing washer (6) are located the top and the bottom of ball (3) respectively, all inlay between outer lane (1) and inner circle (2) and sealing washer (6) and be equipped with a plurality of sealing balls (7), adjacent two the outer wall of sealing ball (7) is laminated mutually, sealing ring (8) are all installed to the outer wall and the inner wall of sealing ring (1) and inner circle (2), spacing (9) with sealing ring (8) looks adaptation have been seted up respectively, two adjacent annular grooves (10) are inlayed between sealing ring (8) and the outer wall (10).

2. The waterproof low-friction sealed ring bearing according to claim 1, wherein the outer ring (1), the inner ring (2), the balls (3) and the sealing ring (6) are all made of stainless steel.

3. The waterproof low-friction sealing ring bearing according to claim 1, wherein a plurality of second spheres (11) are embedded between the upper surface and the lower surface of the sealing ring (8) and the limiting annular groove (9), and the outer walls of two adjacent second spheres (11) are attached.

4. A waterproof low-friction sealed ring bearing according to claim 1, characterized in that arc-shaped blocks (12) are rotatably connected between two adjacent balls (3).

5. The waterproof low-friction sealing ring bearing according to claim 4, wherein grooves (13) matched with the balls (3) are formed at two ends of the arc-shaped block (12).

6. The waterproof low-friction sealing ring bearing according to claim 5, wherein a plurality of third balls (14) are embedded in the inner wall of the groove (13).