CN215058937U

CN215058937U - Double-seal bearing

Info

Publication number: CN215058937U
Application number: CN202120012531.8U
Authority: CN
Inventors: 何剑
Original assignee: Chongqing Nanyan Industrial Group Longjian Machinery Manufacturing Co ltd
Current assignee: Chongqing Nanyan Industrial Group Longjian Machinery Manufacturing Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-12-07
Anticipated expiration: 2031-01-05

Abstract

The utility model relates to the technical field of bearings, and discloses a double-sealed bearing, including bearing inner race and bearing outer race, install a plurality of bearing ball between bearing inner race and the bearing outer race, a plurality of the bearing ball is fixed a position mutually through the holder, the holder is located between bearing inner race and the bearing outer race, install lubricating mechanism in the bearing outer race; the equal fixedly connected with sealing ring in both sides of holder, both ends respectively with sliding connection between bearing inner race and the bearing inner race under the upper end of sealing ring, bearing inner race and the position department that the bearing inner race corresponds the holder have seted up annular spacing groove, sliding connection has annular stopper in the spacing groove, the one end that spacing groove tank bottom was kept away from to the stopper passes the notch of spacing groove and outwards extends, and fixed connection is on the sealing ring. The utility model discloses can prevent debris such as dust and water from entering into between bearing inner race and the bearing inner race effectively.

Description

Double-seal bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a double seal's bearing.

Background

When the bearing is used outdoors, the bearing is inevitably in a damp and dust-containing environment, and when liquid and dust enter the joint of the steel ball and the inner ring and the outer ring, dust accumulation and lubricant loss can be caused, so that the abrasion is increased, and the service life of the bearing is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art bearing in the in-process of using, when debris such as liquid and dust got into the junction of steel ball and inner and outer lane, can cause deposition and emollient loss, and then lead to the wearing and tearing increase, reduced the life's of bearing problem, and the bearing of a double seal that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-sealed bearing comprises a bearing outer ring and a bearing inner ring, wherein a plurality of bearing balls are arranged between the bearing outer ring and the bearing inner ring, the plurality of bearing balls are positioned through a retainer, the retainer is positioned between the bearing outer ring and the bearing inner ring, and a lubricating mechanism is arranged in the bearing outer ring;

the equal fixedly connected with sealing ring in both sides of holder, both ends respectively with sliding connection between bearing inner race and the bearing inner race under the upper end of sealing ring, bearing inner race and the position department that the bearing inner race corresponds the holder have seted up annular spacing groove, sliding connection has annular stopper in the spacing groove, the notch of spacing groove is passed and outwards extends to the one end that spacing groove tank bottom was kept away from to the stopper, and fixed connection is in the corresponding position department of sealing ring.

Preferably, lubricated mechanism includes the oil storage chamber, the oil storage chamber is seted up in the bearing inner race, a plurality of oil through hole has been seted up to the position department that the bearing inner race corresponds the bearing ball, oil through hole intercommunication oil storage chamber sets up, the oil filler point has been seted up on the lateral wall in oil storage chamber, the oil filler point passes the bearing inner race setting.

Preferably, a sealing plug groove is formed in the opening position of the oil filling hole, and a sealing plug is plugged in the sealing plug groove.

Preferably, a plurality of ball groove, a plurality of have been seted up to the stopper one end that is close to the spacing groove tank bottom the ball groove is the annular array and distributes the setting, ball inslot roll connection has the roll ball, the roll ball is kept away from the one end of ball groove tank bottom and is passed the notch in ball groove and outwards extend, and with roll connection between the tank bottom of spacing groove.

Preferably, the diameter between the rolling balls is larger than the caliber of the groove opening of the ball groove.

Preferably, the bearing outer ring and the bearing inner ring are both plated with anticorrosive coatings.

Compared with the prior art, the utility model provides a double seal's bearing possesses following beneficial effect:

1. this double sealing's bearing through setting up bearing inner race, bearing ball, holder, sealing ring, spacing groove and stopper, under the effect of sealing ring and annular stopper, can play fine sealed effect between bearing inner race and the bearing outer race, can prevent effectively that debris such as dust and water from entering into between bearing inner race and the bearing outer race.

2. This double sealing's bearing through setting up oil storage chamber, logical oilhole and oil filler point, has annotated lubricating oil through the oil filler point towards the oil storage intracavity, and lubricating oil can play fine lubricated effect to the bearing ball through leading to the oilhole.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can prevent effectively that debris such as dust and water from entering into between bearing inner race and the bearing outer race.

Drawings

Fig. 1 is a schematic front view of a double-sealed bearing according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, bearing balls 3, a retainer 4, a sealing ring 5, a limiting groove 6, a limiting block 7, an oil storage cavity 8, an oil through hole 9, rolling balls 10, an oil filling hole 11, a sealing plug groove 12, a sealing plug 13 and a ball groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a double-sealed bearing comprises a bearing outer ring 1 and a bearing inner ring 2, wherein a plurality of bearing balls 3 are arranged between the bearing outer ring 1 and the bearing inner ring 2, the plurality of bearing balls 3 are positioned by a retainer 4, the retainer 4 is positioned between the bearing outer ring 1 and the bearing inner ring 2, and a lubricating mechanism is arranged in the bearing outer ring 1;

the equal fixedly connected with sealing ring 5 in both sides of holder 4, both ends respectively with sliding connection between bearing inner race 1 and the bearing inner race 2 under the upper end of sealing ring 5, bearing inner race 1 and bearing inner race 2 correspond the position department of holder 4 and have seted up annular spacing groove 6, sliding connection has annular stopper 7 in the spacing groove 6, stopper 7 keeps away from the one end of 6 tank bottoms of spacing groove and passes the notch of spacing groove 6 and outwards extend, and fixed connection is in the corresponding position department of sealing ring 5, under the effect of sealing ring 5 and annular stopper 7, can play fine sealed effect to between bearing inner race 1 and the bearing inner race 2, can prevent debris such as dust and water from entering between bearing inner race 1 and the bearing inner race 2 effectively.

Lubricated mechanism includes oil storage chamber 8, and oil storage chamber 8 is seted up in bearing inner race 1, and a plurality of oil through hole 9 has been seted up to 1 position departments that correspond bearing ball 3 in bearing inner race, and oil through hole 9 communicates oil storage chamber 8 and sets up, has seted up oil filler point 11 on the lateral wall in oil storage chamber 8, and oil filler point 11 passes bearing inner race 1 and sets up, and it has lubricating oil to inject oil through oil filler point 11 in to oil storage chamber 8, and lubricating oil can play fine lubricated effect through oil through hole 9 to bearing ball 3.

The opening position of the oil filling hole 11 is provided with a sealing plug groove 12, and a sealing plug 13 is plugged in the sealing plug groove 12 to play a role in sealing.

A plurality of ball groove 14 has been seted up to stopper 7 one end near the spacing groove 6 tank bottom, and a plurality of ball groove 14 is the distribution of annular array and sets up, and roll ball 10 is connected with in the ball groove 14, and roll ball 10 is kept away from the one end of ball groove 14 tank bottom and is passed the notch of ball groove 14 and outwards extend, and with rolling connection between the tank bottom of spacing groove 6, stopper 7 is more smooth and easy at the spacing groove 6 internal rotation ground.

The rolling balls 10 are larger than the opening diameters of the ball grooves 14, and the rolling balls 10 are prevented from falling off from the ball grooves 14.

The bearing outer ring 1 and the bearing inner ring 2 are both plated with anti-corrosion coatings, so that a better anti-corrosion effect is achieved.

The utility model discloses in, under the effect of sealing ring 5 and annular stopper 7, can play fine sealed effect between bearing inner race 1 and the bearing inner race 2, can prevent effectively that debris such as dust and water from entering into between bearing inner race 1 and the bearing inner race 2, through oil filler point 11 towards having filled with lubricating oil in the oil storage chamber 8, lubricating oil can play fine lubricated effect through logical oilhole 9 to bearing ball 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A double-sealed bearing comprises a bearing outer ring (1) and a bearing inner ring (2), and is characterized in that a plurality of bearing balls (3) are arranged between the bearing outer ring (1) and the bearing inner ring (2), the bearing balls (3) are positioned through a retainer (4), the retainer (4) is positioned between the bearing outer ring (1) and the bearing inner ring (2), and a lubricating mechanism is arranged in the bearing outer ring (1);

the equal fixedly connected with sealing ring (5) in both sides of holder (4), sliding connection between both ends respectively and bearing inner race (1) and bearing inner race (2) under the upper end of sealing ring (5), bearing inner race (1) and bearing inner race (2) correspond the position department of holder (4) and seted up annular spacing groove (6), sliding connection has annular stopper (7) in spacing groove (6), the notch of spacing groove (6) is passed and outwards extends to the one end that spacing groove (6) tank bottom was kept away from in stopper (7), and fixed connection is located at the corresponding position of sealing ring (5).

2. The bearing of claim 1, wherein the lubricating mechanism comprises an oil storage chamber (8), the oil storage chamber (8) is arranged in the bearing outer ring (1), a plurality of oil through holes (9) are formed in the position, corresponding to the bearing balls (3), of the bearing outer ring (1), the oil through holes (9) are communicated with the oil storage chamber (8), an oil filling hole (11) is formed in the side wall of the oil storage chamber (8), and the oil filling hole (11) penetrates through the bearing outer ring (1).

3. A double-sealed bearing according to claim 2, wherein a sealing plug groove (12) is formed at the opening position of the oil filling hole (11), and a sealing plug (13) is plugged in the sealing plug groove (12).

4. The double-seal bearing according to claim 1, wherein a plurality of ball grooves (14) are formed in one end of the limiting block (7) close to the bottom of the limiting groove (6), the ball grooves (14) are distributed in an annular array, rolling balls (10) are connected in the ball grooves (14) in a rolling manner, and one end, far away from the bottom of the ball grooves (14), of the rolling balls (10) penetrates through the notch of the ball grooves (14), extends outwards and is connected with the bottom of the limiting groove (6) in a rolling manner.

5. A double-sealed bearing according to claim 4, wherein the rolling balls (10) are larger than the opening of the ball groove (14).

6. A double-sealed bearing according to claim 1, wherein the bearing inner ring (2) and the bearing outer ring (1) are coated with an anti-corrosion coating.