CN216278969U

CN216278969U - High-sealing type deep groove ball bearing

Info

Publication number: CN216278969U
Application number: CN202120960134.3U
Authority: CN
Inventors: 李德荣
Original assignee: Ningbo Nbvo Seiko Bearing Co ltd
Current assignee: Ningbo Nbvo Seiko Bearing Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-04-12
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a high-sealing deep groove ball bearing, which comprises an inner ring, an outer ring, a steel ball and a retainer, when the external machine member is connected with the bearing, the inner ring rotates relative to the outer ring, the retainer guides the steel ball to keep the steel ball in the bearing, thereby reducing the friction coefficient of the bearing, a sealing ring is arranged between the outer ring and the inner ring, a supporting piece is arranged between the sealing ring and the retainer, the sealing ring is provided with a plurality of oil leakage holes, the sealing ring is connected with a lubricating piece through the oil leakage holes, the high-sealing type deep groove ball bearing supports the whole retainer through the supporting piece to prevent the retainer from separating, and the steel balls are uniformly dispersed in the bearing, the lubricating piece is used for lubricating the steel balls, so that the material abrasion is reduced, and the sealing ring is detachably connected with the outer ring, so that the subsequent inspection and maintenance of parts in the bearing are facilitated.

Description

High-sealing type deep groove ball bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a high-sealing type deep groove ball bearing.

Background

The deep groove ball bearing, the original single-row radial ball bearing, is a rolling bearing which is most widely applied and is characterized by small friction resistance and high rotating speed, and can be used on a machine member bearing radial load or combined load acted simultaneously in the radial direction and the axial direction and also can be used on a machine member bearing axial load. The basic deep groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retainers, and some of the deep groove ball bearings are additionally provided with sealing rings for sealing.

The inside holder of bearing's effect is the guide steel ball, make it disperse inside the bearing, follow the rotation of inner circle and roll, current holder is through riveting machine press forming, along with the use of bearing, there is great sliding friction between holder and the ball, and produce a large amount of heats, the power and hot combined action can make the holder appear separating the cracked condition even, make the ball lose the guide, the bearing stress state changes, the life of greatly reduced bearing. Therefore, a high-sealing deep groove ball bearing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sealing deep groove ball bearing to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-sealing deep groove ball bearing comprises an inner ring, an outer ring, a steel ball and a retainer, wherein when an external machine part is connected with a bearing, the inner ring rotates relative to the outer ring, the retainer guides the steel ball to keep the steel ball in the bearing, so that the friction coefficient of the bearing is reduced, a sealing ring is arranged between the outer ring and the inner ring, a supporting piece is arranged between the sealing ring and the retainer, the support piece supports the whole retainer, the separation of the retainer is prevented, and the steel ball is uniformly dispersed in the bearing.

Preferably, the sealing washer outside is equipped with the stopper, and the guiding groove has been seted up to the outer lane inner wall, set up the thread groove in the guiding groove, under the guiding action of guiding groove, carry on spacingly to the sealing washer, fix sealing washer and outer lane through the screw.

Preferably, the retainer comprises a first frame piece and a second frame piece, the first frame piece comprises a first arc-shaped frame, a first connecting plate and a clamping groove, the second frame piece comprises a second arc-shaped frame, a second connecting plate and a clamping block, the supporting piece is respectively connected with the outer walls of the first connecting plate and the second connecting plate, and when the retainer guides the steel ball, the first frame piece and the second frame piece are connected through the clamping block and the clamping groove, so that the steel ball is uniformly distributed in the bearing.

Preferably, support piece is including setting up the support column in the sealing washer bottom, the equal fixedly connected with post bucket of one end that first connecting plate and second connecting plate kept away from each other, when the sealing washer is fixed with the outer lane, the support column of its bottom stretches into in the post bucket, and the support column has certain clearance apart from post bottom of the barrel portion, separates each other when first frame piece and second frame piece, and the post bucket is along the removal of support column direction, under the limiting displacement of sealing washer, has prevented the separation of holder.

Preferably, the sealing ring is provided with a plurality of oil leakage holes, the sealing ring is connected with a lubricating piece through the oil leakage holes, and the lubricating piece is used for lubricating the steel balls, so that the material abrasion is reduced.

Preferably, the lubricating part comprises an oil dripping pipe and an oil absorption sponge, when the steel ball is lubricated, the lubricating oil in the oil dripping pipe drips to the oil absorption sponge, the oil absorption sponge is in contact with the steel ball, the surface of the steel ball is coated with the lubricating oil, and the abrasion of the steel ball and other parts is reduced.

Preferably, an oil cover is arranged at the top of the sealing ring, and the oil leakage hole is sealed by the oil cover to prevent impurities from entering.

Compared with the prior art, the utility model has the beneficial effects that:

1. the supporting piece is arranged to support the retainer, when the bearing is carried, the steel ball is in friction with the supporting frame, so that the two frame pieces are gradually separated, and the supporting frame plays a limiting role in the frame pieces, so that the frame pieces can be subjected to frame piece deviation caused by thermal expansion and cold contraction, and can be prevented from greatly displacing, and further, the bearing is ensured to be uniformly stressed.

2. The lubricating piece can automatically coat lubricating oil on the outer side of the steel ball, so that the abrasion of parts is reduced, and the sealing performance of the sealing ring is improved by the oil cover, so that the bearing has high sealing performance when in use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a top view of a bearing with a seal ring removed;

FIG. 4 is an exploded view of the cage structure;

fig. 5 is a schematic structural view of the sealing ring.

In the figure: 1-inner ring; 2-outer ring; 21-a guide groove; 22-thread groove; 3-steel ball; 4-a cage; 41-a first shelf piece; 411-a first arc-shaped frame; 412-a first connection plate; 413-card slot; 42-a second shelf piece; 421-a second arc frame; 422-a second connecting plate; 423-fixture block; 5-sealing ring; 51-a limiting block; 6-a support member; 61-support column; 62-column barrel; 7-oil leakage holes; 8-a lubricant; 81-oil drip pipe; 82-an oil absorbing sponge; 83-placing grooves; 9-oil cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a high-sealing deep groove ball bearing comprises an inner ring 1, an outer ring 2, steel balls 3 and a retainer 4, wherein the number of the steel balls 3 is determined by the type of the bearing, when an external machine part is connected with the bearing, the inner ring 1 rotates relative to the outer ring 2, and the retainer 4 guides the steel balls 3 to be uniformly dispersed in the bearing, so that the bearing is stressed uniformly;

and a sealing ring 5 is arranged between the outer ring 2 and the inner ring 1, a support piece 6 is arranged between the sealing ring 5 and the retainer 4, and the retainer 4 is integrally supported by the support piece 6, so that the retainer 4 is prevented from being split, and the steel balls 3 are uniformly dispersed in the bearing.

The top of the sealing ring 5 is fixedly connected with a plurality of limiting blocks 51, the inner wall of the outer ring 2 is provided with a guide groove 21 opposite to the limiting blocks 51, a thread groove 22 is formed in the guide groove 21, the position of the sealing ring 5 is limited under the guiding action of the guide groove 21, and then the sealing ring 5 and the outer ring 2 are fixed through screws;

when this sealing washer 5 and 2 fixed connection in outer lane, its vertical height is higher than inner circle 1, plays certain guard action to inside part, and sealing washer 5 takes detachable the connection with outer lane 2, both convenient installation to sealing washer 5, when being convenient for later stage bearing inside problem again, to its inside inspection and maintenance.

The holder 4 includes first frame piece 41, second frame piece 42, first frame piece 41 comprises first arc frame 411, first connecting plate 412 and draw-in groove 413, second frame piece 42 comprises second arc frame 421, second connecting plate 422 and fixture block 423, draw-in groove 413 is located the inner wall of first connecting plate 412, and second connecting plate 422 inner wall is just connected with fixture block 423 to the position of draw-in groove 413, and when holder 4 guided steel ball 3, first frame piece 41 and second frame piece 42 were connected through fixture block 423 and draw-in groove 413, the rubber pad has been laid in draw-in groove 413, and then made steel ball 3 evenly distributed inside the bearing.

Support piece 6 is including setting up the support column 61 in sealing washer 5 bottom, the equal fixedly connected with post bucket 62 of one end that first connecting plate 412 and second connecting plate 422 kept away from each other, because sealing washer 5 receives the limiting displacement of outer lane 2, when actual installation, need adjust the position of holder 4, make support column 61 stretch into in the post bucket 62 just, when sealing washer 5 is fixed with outer lane 2, the support column 61 of its bottom stretches into in post bucket 62, and support column 61 has certain clearance apart from post bucket 62 bottom, separate each other when first frame piece 41 and second frame piece 42, post bucket 62 moves along support column 61 direction, because spacing ring and outer lane 2 reciprocal anchorage, under the limiting displacement of sealing washer 5, the separation of holder 4 has been prevented.

The sealing ring 5 is provided with a plurality of oil leakage holes 7, the sealing ring 5 is connected with a lubricating piece 8 through the oil leakage holes 7, and the lubricating piece 8 lubricates the steel ball 3 to reduce material abrasion.

The lubricating piece 8 comprises an oil dropping pipe 81 and an oil absorption sponge 82, the top of the oil dropping pipe 81 is arranged in the oil leakage hole 7, the bottom of the first arc-shaped frame 411 and the second arc-shaped frame 421 is fixed with the oil absorption sponge 82, a placing groove 83 is arranged at the position opposite to the oil absorption sponge 82, the oil absorption sponge 82 is placed in the placing groove 83, one end of the placing groove 83 at the position of the oil absorption sponge 82 is contacted with the steel ball 3, because the oil absorption sponge 82 has elasticity, the normal rotation of the steel ball 3 can not be influenced, the aperture of the bottom of the oil dripping pipe 81 is smaller, has a certain control function on the flow rate of the lubricating oil, and a certain amount of lubricating oil is stored in the oil dripping pipe 81 and is used for lubricating the steel ball 3 when the bearing operates, when the steel ball 3 is lubricated, the lubricating oil in the oil dripping pipe 81 is dripped to the oil absorption sponge 82, the oil absorption sponge 82 is contacted with the steel ball 3, the surface of the steel ball 3 is coated with the lubricating oil, and the abrasion of the steel ball 3 and other parts is reduced.

The top of the sealing ring 5 is provided with an oil cover 9, and the oil leakage hole 7 is sealed by the oil cover 9 to prevent impurities from entering.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 high canned type deep groove ball bearing, includes inner circle (1), outer lane (2), steel ball (3) and holder (4), and when external parts were connected with the bearing, inner circle (1) rotated outer lane (2) relatively, and holder (4) guide steel ball (3), make its homodisperse in the bearing, its characterized in that: be equipped with sealing washer (5) between outer lane (2) and inner circle (1), be equipped with support piece (6) between sealing washer (5) and holder (4), through support piece (6) support holder (4) are whole, prevent the separation of holder (4), and make steel ball (3) homodisperse inside the bearing.

2. The high seal type deep groove ball bearing of claim 1, wherein: the sealing washer (5) outside is equipped with stopper (51), and guiding groove (21) have been seted up to outer lane (2) inner wall, set up thread groove (22) in guiding groove (21), under the guide effect of guiding groove (21), carry on spacingly to sealing washer (5), fix sealing washer (5) and outer lane (2) through the screw.

3. The high seal type deep groove ball bearing of claim 1, wherein: the steel ball bearing is characterized in that the retainer (4) comprises a first frame piece (41) and a second frame piece (42), the first frame piece (41) is composed of a first arc-shaped frame (411), a first connecting plate (412) and a clamping groove (413), the second frame piece (42) is composed of a second arc-shaped frame (421), a second connecting plate (422) and a clamping block (423), the supporting piece (6) is connected with the outer walls of the first connecting plate (412) and the second connecting plate (422) respectively, when the retainer (4) guides the steel ball (3), the first frame piece (41) and the second frame piece (42) are connected through the clamping block (423) and the clamping groove (413), and then the steel ball (3) is uniformly distributed inside the bearing.

4. The high seal type deep groove ball bearing of claim 3, wherein: support piece (6) are including setting up support column (61) in sealing washer (5) bottom, the equal fixedly connected with post bucket (62) of one end that first connecting plate (412) and second connecting plate (422) kept away from each other, when sealing washer (5) and outer lane (2) are fixed, support column (61) of its bottom stretch into in post bucket (62), and support column (61) have certain clearance apart from post bucket (62) bottom, separate each other when first frame piece (41) and second frame piece (42), post bucket (62) remove along support column (61) direction, under the limiting displacement of sealing washer (5), the separation of holder (4) has been prevented.

5. The high seal type deep groove ball bearing of claim 3, wherein: a plurality of oil leakage holes (7) are formed in the sealing ring (5), the sealing ring (5) is connected with a lubricating piece (8) through the oil leakage holes (7), and the lubricating piece (8) lubricates the steel balls (3) to reduce material abrasion.

6. The high seal type deep groove ball bearing of claim 5, wherein: lubricating piece (8) are including dripping oil pipe (81) and oil absorption sponge (82), and when lubricating steel ball (3), the lubricated oil in dripping oil pipe (81) drips to oil absorption sponge (82), and oil absorption sponge (82) and steel ball (3) contact paint lubricating oil to steel ball (3) surface, reduce the wearing and tearing of steel ball (3) and other parts.

7. The high seal type deep groove ball bearing of claim 5, wherein: sealing washer (5) top is equipped with oil cover (9), through oil cover (9) are sealed oil leak hole (7), avoid impurity to get into.