CN215596185U

CN215596185U - Double-row angular contact ball bearing with characteristic of reducing internal friction force

Info

Publication number: CN215596185U
Application number: CN202122185515.1U
Authority: CN
Inventors: 薛明凯; 刘野; 李鸿飞
Original assignee: Wafangdian Tianyuan Bearing Manufacturing Co ltd
Current assignee: Beijing Gaofu Power Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-21
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a double-row angular contact ball bearing with the characteristic of reducing internal friction force, which belongs to the technical field of bearing production and comprises a ferrule, wherein an inner groove is formed in the inner wall of the ferrule, the inner wall of the inner groove is in sliding connection with the outer surface of a ball roller, the outer surface of the ball roller is in sliding connection with the inner wall of a retainer, the inner wall of the retainer is fixedly connected with the outer surface of an inner ring, the inner wall of the ferrule is clamped with the outer surface of a sealing ring, the back surface of the sealing ring is fixedly connected with the front surface of a fixing ring, the outer surface of the fixing ring is fixedly connected with the bottom end of a spring, and the outer surface of the fixing ring is in lap joint with the inner wall of the ferrule through the spring. This double-row angular contact ball bearing with alleviate internal friction characteristics through setting up lasso and spacing groove, has effectually reduced the bearing atress uneven when bearing axial load, has avoided the bearing to lead to self to damage because of bearing the load is uneven to the effectual life who improves this bearing.

Description

Double-row angular contact ball bearing with characteristic of reducing internal friction force

Technical Field

The utility model belongs to the technical field of bearing production, and particularly relates to a double-row angular contact ball bearing with the characteristic of reducing internal friction.

Background

The double-row angular contact ball bearing can bear larger radial and axial combined load and moment load, is mainly used for limiting a part of a shaft and a shell in bidirectional axial displacement, can be widely used on some equipment and appliances in various industries, and aiming at the practical application conditions of the structural characteristics of the equipment, the load expected to be borne by the ball bearing, the use environment and the like, the variety and the model of the ball bearing are various and are as good as possible.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides the double-row angular contact ball bearing with the characteristic of reducing the internal friction force, and solves the problems that when one row of steel balls is not stressed when the conventional bearing bears the axial load, the row of steel balls and the raceway bearing the load are easy to lose efficacy, the bearing is also quick to lose efficacy, and the service life is short.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a double-row angular contact ball bearing with alleviate internal friction characteristics, includes the lasso, the inner groove has been seted up to the inner wall of lasso, the inner wall of inner groove and the surface sliding connection of ball roller, the surface of ball roller and the inner wall sliding connection of holder, the inner wall of holder and the surface fixed connection of inner circle, the inner wall of lasso and the surface joint of sealing washer, the back and the fixed ring's of sealing washer front fixed connection, the fixed ring's surface and the bottom fixed connection of spring, the spacing groove has been seted up to the inner wall of lasso, the fixed ring's surface passes through the spring and the inner wall overlap joint of lasso.

As a further scheme of the utility model: the inner groove is annular, and the outer surface of the ferrule is connected with the ball roller in a sliding mode through the inner groove.

As a further scheme of the utility model: the front of inner circle has seted up the spout, the back and the positive fixed connection of ring of sealing washer, the back of sealing washer passes through ring and spout joint.

As a further scheme of the utility model: the back of the sealing ring is provided with an oil passing groove.

As a further scheme of the utility model: the front of the ferrule and the front of the sealing ring are both provided with screw holes, the inner wall of each screw hole is fixedly connected with the outer surface of each screw, and the back of the sealing ring is fixedly connected with the front of the ferrule through the screws.

(III) advantageous effects

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

1. this double column angular contact ball bearing with alleviate internal friction characteristics, through setting up the lasso, the sealing washer, spring and spacing groove, this bearing installation finishes the back and takes up the sealing washer, it is fixed along the fixed ring with the spring, insert the spring one by one according to the position of spacing groove afterwards, and the ring is under the drive of sealing washer, insert along the spout of inner circle top, utilize the screw to fix the sealing washer in the lasso top afterwards, the effectual bearing that has reduced atress is uneven when bearing axial load, avoided the bearing to lead to self to damage because of bearing the load is uneven, thereby the effectual life who improves this bearing.

2. This double-row angular contact ball bearing with alleviate internal friction characteristics through setting up lasso, inside groove, ball roller and holder, before using, with this bearing sanitization, waits that moisture dries the back and installs the ball roller along the recess of holder top one by one, finishes the installation after with the lasso cover in the ball roller outside, more convenient installs and dismantles this bearing, has reduced the internal friction of roller simultaneously, the effectual rotation efficiency who improves this bearing.

3. This double column angular contact ball bearing with alleviate interior frictional force characteristics, through setting up the inner circle, spout and crossing the oil groove, this bearing one side sealed back, pour lubricating oil along the inside of crossing the oil groove into, repeat last step afterwards, install the sealing washer inside the lasso, make this bearing be in encapsulated situation, more convenient add lubricating oil to this bearing, avoided lubricating oil outflow bearing outside this, prevented to cause lubricating oil extravagant to the production environment causes the influence after having reduced lubricating oil outflow.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a ferrule according to the present invention;

FIG. 3 is a schematic perspective sectional view of the cage of the present invention;

FIG. 4 is a schematic diagram of the explosive structure of the present invention;

in the figure: the device comprises a ferrule 1, inner grooves 2, ball rollers 3, a retainer 4, an inner ring 5, a sliding groove 6, a circular ring 7, a sealing ring 8, an oil passing groove 9, a fixing ring 10, a spring 11, a limiting groove 12, a screw hole 13 and a screw 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a double-row angular contact ball bearing with alleviate internal friction characteristics, including lasso 1, the inner groove 2 has been seted up to the inner wall of lasso 1, the inner wall of inner groove 2 and the surface sliding connection of ball roller 3, the surface of ball roller 3 and the inner wall sliding connection of holder 4, the inner wall of holder 4 and the surface fixed connection of inner circle 5, the inner wall of lasso 1 and the surface joint of sealing washer 8, the back of sealing washer 8 and the front fixed connection of solid fixed ring 10, the surface of solid fixed ring 10 and the bottom fixed connection of spring 11, spacing groove 12 has been seted up to the inner wall of lasso 1, the surface of solid fixed ring 10 passes through the overlap joint of spring 11 and the inner wall of lasso 1, the effectual bearing that has reduced atress is uneven when bearing axial load, avoided the bearing to lead to self damage because of bearing uneven, thereby the effectual life who improves this bearing.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, inside groove 2 is ring shape, the surface of lasso 1 passes through inside

groove

2 and 3 sliding connection of ball roller, through setting up inside groove 2, it is more convenient to install and dismantle this bearing, the internal friction of roller has been reduced simultaneously, the effectual rotation efficiency that improves this bearing, spout 6 has been seted up in the front of inner circle 5, sealing washer 8's the back and the positive fixed connection of ring 7, ring 7 and 6 joint of spout are passed through to sealing washer 8's the back, through setting up ring 7, it is more convenient to install and fix sealing washer 8, thereby it gets into inside the bearing to have avoided the dust from the gap.

Specifically, as shown in fig. 1, fig. 2 and fig. 4, oil groove 9 has been seted up at the back of sealing washer 8, through setting up oil groove 9, it is more convenient to this bearing addition lubricating oil, it should be outer to have avoided lubricating oil outflow bearing, it is extravagant to have prevented to have caused lubricating oil, screw 13 has all been seted up with sealing washer 8's front to the front of lasso 1, screw 13's inner wall and screw 14's fixed surface are connected, screw 14 and lasso 1's positive fixed connection are passed through at sealing washer 8's the back, through setting up screw 13, effectually fix sealing washer 8, prevent this bearing at the use because of sealing washer 8 work progress that drops, avoided sealing washer 8 to break away from and cause the outflow of lubricating oil simultaneously, thereby lubricating oil waste has been caused.

The working principle of the utility model is as follows:

s1, before use, the bearing is cleaned, the ball rollers 3 are installed one by one along the grooves above the retainer 4 after moisture is dried, and the ferrule 1 is sleeved outside the ball rollers 3 after the installation is finished;

s2, after the bearing is installed, the sealing ring 8 is taken up, the spring 11 is fixed along the fixing ring 10, then the spring 11 is inserted one by one according to the position of the limiting groove 12, the ring 7 is driven by the sealing ring 8 to be inserted along the sliding groove 6 above the inner ring 5, and then the sealing ring 8 is fixed above the ferrule 1 by the screw 14;

s3, after the bearing is sealed, the lubricating oil is poured along the inside of the oil groove 9, and the above steps are repeated to install the seal ring 8 in the ferrule 1, thereby sealing the bearing.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a double row angular contact ball bearing with alleviate internal friction characteristics, includes lasso (1), its characterized in that: the inner wall of the ferrule (1) is provided with an inner groove (2), the inner wall of the inner groove (2) is in sliding connection with the outer surface of the ball roller (3), the outer surface of the ball roller (3) is in sliding connection with the inner wall of the retainer (4), the inner wall of the retainer (4) is fixedly connected with the outer surface of the inner ring (5), the inner wall of the ferrule (1) is connected with the outer surface of the sealing ring (8) in a clamping manner, the back surface of the sealing ring (8) is fixedly connected with the front surface of the fixing ring (10), the outer surface of the fixing ring (10) is fixedly connected with the bottom end of the spring (11), the inner wall of the ferrule (1) is provided with a limiting groove (12), and the outer surface of the fixing ring (10) is in lap joint with the inner wall of the ferrule (1) through the spring (11).

2. The double row angular contact ball bearing having internal friction force alleviation features of claim 1, wherein: the inner groove (2) is annular, and the outer surface of the ferrule (1) is connected with the ball roller (3) in a sliding manner through the inner groove (2).

3. The double row angular contact ball bearing having internal friction force alleviation features of claim 1, wherein: spout (6) have been seted up in the front of inner circle (5), the back and the positive fixed connection of ring (7) of sealing washer (8), the back of sealing washer (8) is through ring (7) and spout (6) joint.

4. The double row angular contact ball bearing having internal friction force alleviation features of claim 1, wherein: an oil passing groove (9) is formed in the back face of the sealing ring (8).

5. The double row angular contact ball bearing having internal friction force alleviation features of claim 1, wherein: screw holes (13) are formed in the front face of the ferrule (1) and the front face of the sealing ring (8), the inner wall of each screw hole (13) is fixedly connected with the outer surface of each screw (14), and the back face of the sealing ring (8) is fixedly connected with the front face of the ferrule (1) through the screws (14).