CN213088513U

CN213088513U - Bearing easy to disassemble

Info

Publication number: CN213088513U
Application number: CN202021218803.1U
Authority: CN
Inventors: 李永锋
Original assignee: Yunhe Daxiankai Mechanical Design Studio
Current assignee: Qiqihar Zhongsheng Machinery Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-30
Anticipated expiration: 2030-06-28

Abstract

An easily-detachable bearing comprises a bearing outer ring and a bearing inner ring, a ball is arranged between the bearing outer ring and the bearing inner ring, a lubricating groove is arranged in the bearing outer ring, two ends of the inner side wall of the bearing outer ring are respectively provided with a first annular groove, two ends of the outer side of the bearing inner ring are respectively provided with a second annular groove matched with the first annular groove, a baffle is arranged between the first annular groove and the second annular groove, the height of the bearing inner ring is greater than that of the bearing outer ring, a fixing piece for detachably connecting the bearing inner ring and a shaft is arranged on the bearing inner ring, the height of the bearing inner ring of the utility model is greater than, therefore, the bearing inner ring protrudes out of the bearing outer ring, the bearing inner ring is provided with a fixing piece, the bearing is detachably connected with the shaft through the fixing piece, when the bearing is damaged, needs to be checked or repaired and needs to be disassembled, the fixing piece enables the bearing to be conveniently disassembled.

Description

Bearing easy to disassemble

Technical Field

The utility model relates to a bearing field specifically is an easily dismantled bearing.

Background

The bearing is a component for fixing and reducing the friction coefficient of load in the mechanical transmission process, when other parts move relatively to each other on the shaft, the bearing can reduce the friction coefficient in the power transmission process and keep the center position of the shaft fixed, and the main function of the bearing is to support the mechanical rotating body so as to reduce the friction coefficient of the mechanical load of the equipment in the transmission process.

When the bearing is installed on a shaft, the inner ring of the bearing is generally in interference fit, but when the bearing is damaged and needs to be checked or maintained, the interference fit causes the bearing to be inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an easily dismantled bearing, the utility model discloses a bearing inner race highly is greater than the height of bearing inner race, therefore bearing inner race protrusion in bearing inner race circles the mounting in, is connected bearing and axle detachably through the mounting, damages at the bearing, need the inspection or when the maintenance needs to be dismantled, the mounting makes the bearing dismantle convenient.

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

the utility model provides an easily dismantled bearing, including bearing inner race and bearing inner race, be equipped with the ball between bearing inner race and the bearing inner race, be equipped with lubrication groove in the bearing inner race, the both ends of bearing inner race inside wall are equipped with first ring channel respectively, the both ends in the bearing inner race outside are equipped with respectively with first ring channel assorted second ring channel, be equipped with the baffle between first ring channel and the second ring channel, the height that highly is greater than the bearing inner race of bearing inner race, be equipped with the mounting that is used for bearing inner race and axle detachably to be connected in the bearing inner race.

The mounting is a plurality of screw holes and a plurality of countersunk head bolt, and the screw hole is established on the bearing inner race, and countersunk head bolt is equipped with in the screw hole rotatably.

And an annular limiting plate is arranged on one side of the bearing outer ring, and the inner diameter of the annular limiting plate is fixedly connected with the outer circular surface of the bearing outer ring.

The bearing outer ring is provided with an oil inlet which is communicated with the lubricating groove, the oil inlet is a conical hole with the diameter gradually reduced from outside to inside, the conical hole is provided with a rubber plug matched with the conical hole, the rubber plug is in interference fit with the conical hole, and the rubber plug is provided with a pinhole for injecting lubricating grease or anti-rust grease.

Compared with the prior art, the bearing which is easy to disassemble and adopts the technical scheme has the following beneficial effects:

one, adopt the utility model discloses an easily dismantled bearing, bearing inner race highly be greater than bearing inner race's height, therefore bearing inner race protrusion in bearing inner race is equipped with the mounting in the bearing inner race, is connected bearing and axle detachably through the mounting, damages at the bearing, need the inspection or when the maintenance needs to be dismantled, the mounting makes the bearing dismantle convenient.

And lubricating grease, antirust grease and the like are arranged in the lubricating groove, the lubricating groove is communicated with the ball area, the rolling type friction of the ball is small due to the lubricating grease and the antirust grease, the noise is low, and the baffle plate effectively prevents dust from entering and prevents the lubricating grease from leaking.

Drawings

Fig. 1 is a schematic structural view of a bearing which is easy to disassemble.

Fig. 2 is a partial cross-sectional view of an easy-to-disassemble bearing.

Reference numerals: 1. a bearing outer race; 11. an annular limiting plate; 12. an oil inlet; 2. a bearing inner race; 3. a ball bearing; 4. a baffle plate; 5. a countersunk bolt; 6. a rubber plug; 61. a pinhole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 2, an easily detachable bearing comprises a bearing outer ring 1 and a bearing inner ring 2, a ball 3 is arranged between the bearing outer ring 1 and the bearing inner ring 2, a lubrication groove is arranged in the bearing outer ring 1 and is communicated with the ball 3 region, a lubricating grease and an anti-rust grease are arranged in the lubrication groove, the ball 3 is small in rolling friction and low in noise due to the lubricating grease and the anti-rust grease, first annular grooves are respectively arranged at two ends of the inner side wall of the bearing outer ring 1, second annular grooves matched with the first annular grooves are respectively arranged at two ends of the outer side of the bearing inner ring 2, a baffle 4 is arranged between the first annular grooves and the second annular grooves and is used for preventing dust from entering and preventing the lubricating grease from leaking, the height of the bearing inner ring 2 is larger than that of the bearing outer ring 1, the bearing inner ring 2 protrudes out of the bearing outer ring 1, and, when the bearing is damaged, needs to be checked or repaired and needs to be disassembled, the fixing piece enables the bearing to be conveniently disassembled.

The mounting is a plurality of screw holes and a plurality of countersunk head bolt 5, and the screw hole is established on bearing inner race 2, and countersunk head bolt 5 rotatably is equipped with threaded hole in, when needing fixing bearing, puts the bearing in epaxial suitable position, rotatory countersunk head bolt 5, and countersunk head bolt 5 reciprocates in threaded hole, and countersunk head bolt 5 one end and off-axial side butt for bearing inner race 2 is fixed with the axle, when needing to dismantle, outwards screw out countersunk head bolt 5 can.

1 one side of bearing inner race is equipped with annular limiting plate 11, and annular limiting plate 11's internal diameter and bearing inner race 1's outer disc fixed connection, during the bearing installation, the outer shell or the rotation piece of need installation of bearing, annular limiting plate 11 and shell or rotation piece butt prevent effectively that shell or rotation piece from sliding outside the bearing.

The bearing outer ring 1 is provided with an oil inlet 12, the oil inlet 12 is communicated with the lubricating groove, the oil inlet 12 is a conical hole with the diameter gradually decreasing from outside to inside, the conical hole is provided with a matched rubber plug 6, the rubber plug 6 is in interference fit with the conical hole, the rubber plug 6 is provided with a pinhole 61 for injecting lubricating grease or antirust grease, the rubber plug 6 has certain deformability, when the bearing is not lubricated enough, the lubricating grease or the antirust grease is arranged in the needle cylinder, the needle point of the needle cylinder is inserted into the rubber plug 6, the rubber plug 6 has certain deformation capacity, the rubber plug 6 is extruded and inserted in an expanding mode, the oil inlet 12 is communicated with the lubricating groove, the lubricating grease or the antirust grease in the needle cylinder is injected into the lubricating groove through the oil inlet 12, the lubricating grease and the antirust grease are high in density, the rubber plug 6 is extruded inwards, the diameter of the needle hole 61 is small, and the lubricating grease and the antirust grease cannot leak out of the needle hole 61.

The use process comprises the following steps:

1. bearing inner race 2 highly is greater than bearing inner race 1's height, therefore bearing inner race 2 protrusion in bearing inner race 1, is equipped with the mounting on bearing inner race 2, when needing fixed bearing, puts the bearing in epaxial suitable position, rotatory countersunk head bolt 5, and countersunk head bolt 5 reciprocates in the screw hole, and countersunk head bolt 5 one end and off-axial side butt for bearing inner race 2 is fixed with the axle, when needing to dismantle, outwards unscrews countersunk head bolt 5 can.

2. When the bearing is installed, the outer shell or the rotating part needs to be installed outside the bearing, the annular limiting plate 11 is abutted to the outer shell or the rotating part, and the outer shell or the rotating part is effectively prevented from sliding outside the bearing.

3. The lubricating groove is internally provided with lubricating grease, antirust grease and the like, the lubricating groove is communicated with the ball 3 region, the rolling friction of the ball 3 is small due to the lubricating grease and the antirust grease, the noise is low, and the baffle 4 effectively prevents dust from entering and prevents the lubricating grease from leaking.

4. The rubber plug 6 has certain deformability, when the bearing is not lubricated enough, the needle point of the needle cylinder is inserted into the rubber plug 6 by filling lubricating grease or anti-rust grease into the needle cylinder, the rubber plug 6 has certain deformability, the rubber plug 6 is extruded and inserted in an enlarged manner, the oil inlet 12 is communicated with the lubricating groove, and the lubricating grease or the anti-rust grease in the needle cylinder is injected into the lubricating groove through the oil inlet 12.

5. The density of the grease and the rust-preventive grease is high, and the rubber stopper 6 is pressed inward so that the diameter of the needle hole 61 is small and the grease and the rust-preventive grease do not leak from the needle hole 61.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. An easily dismantled bearing which characterized in that: including bearing inner race (1) and bearing inner race (2), be equipped with ball (3) between bearing inner race (2) and the bearing outer race (1), be equipped with lubrication groove in bearing inner race (1), the both ends of bearing inner race (1) inside wall are equipped with first ring channel respectively, the both ends in the bearing inner race (2) outside are equipped with respectively with first ring channel assorted second ring channel, be equipped with baffle (4) between first ring channel and the second ring channel, the height that highly is greater than bearing inner race (1) of bearing inner race (2), be equipped with the mounting that is used for bearing inner race (2) and axle detachably to be connected on bearing inner race (2).

2. The easy-to-dismount bearing of claim 1, wherein: the mounting is a plurality of screw holes and a plurality of countersunk head bolt (5), and the screw hole is established on bearing inner race (2), and countersunk head bolt (5) rotatably is equipped with in the screw hole.

3. The easy-to-dismount bearing of claim 1, wherein: an annular limiting plate (11) is arranged on one side of the bearing outer ring (1), and the inner diameter of the annular limiting plate (11) is fixedly connected with the outer circular surface of the bearing outer ring (1).

4. The easy-to-dismount bearing of claim 1, wherein: the bearing outer ring (1) is provided with an oil inlet (12), the oil inlet (12) is communicated with the lubricating groove, the oil inlet (12) is a conical hole with the diameter gradually reduced from outside to inside, the conical hole is provided with a rubber plug (6) matched with the conical hole, the rubber plug (6) is in interference fit with the conical hole, and the rubber plug (6) is provided with a pinhole (61) for injecting lubricating grease or antirust grease.