CN217002710U

CN217002710U - Deep groove ball bearing with positioning effect

Info

Publication number: CN217002710U
Application number: CN202123074804.0U
Authority: CN
Inventors: 李建平
Original assignee: Jinfa Bearing Co ltd
Current assignee: Jinfa Bearing Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-19
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a deep groove ball bearing with a positioning effect, and belongs to the technical field of bearings. The flexibility that it had solved current bearing is relatively poor, and at the in-process that the bearing used, the ball takes place to skid easily in the bearing is inside to the counter shaft causes certain influence, greatly reduced work efficiency's problem. This deep groove ball bearing with location effect, including two bearing bodies, be provided with the connection ring between two bearing bodies, and two bearing body symmetries set up in the last lower extreme of connecting the ring, two bearing bodies all include bearing inner race with be used for wearing to establish the axle, be provided with a plurality of ball between bearing inner race and the bearing outer race, establish ties into through the holder on a plurality of ball and carry out pivoted ball subassembly around the bearing outer race, still be provided with the holding ring that supplies the ball location between bearing inner race and the bearing outer race. The utility model has the advantages of good lubricating effect, wear resistance and positioning effect.

Description

Deep groove ball bearing with positioning effect

Technical Field

The utility model belongs to the technical field of bearings, relates to a deep groove ball bearing, and particularly relates to a deep groove ball bearing with good sealing performance.

Background

The bearing is the support of the shaft and is a part for supporting. The bearing is an important basic element widely applied to various machines, and the deep groove ball bearing is widely applied to high-speed dust collectors and other high-grade motors. Customers require that the bearing is convenient to assemble and disassemble and reliable in axial positioning during working. In order to adapt to the environment with high rotating speed and more dust, the sealing performance of the bearing is required to be good and long in duration, but generally, the bearing is required to be oiled frequently in the operation process, and grease in the bearing can stick to dust in the air, so that the abrasion force is increased in the operation process, the flexibility is weakened, and the service life is shortened. Meanwhile, after the sealing ring is damaged, workers do not find the sealing ring in time, so that impurities are easy to enter the bearing to increase abrasion and weaken flexibility, the service life of the bearing is influenced, and even the matched equipment cannot work normally.

The flexibility of current bearing is relatively poor, and at the in-process that the bearing used, the ball takes place to skid easily in that the bearing is inside to cause certain influence, the efficiency of greatly reduced work to the counter shaft.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a deep groove ball bearing which has good lubricating effect, is wear-resistant and has a positioning effect.

The purpose of the utility model can be realized by the following technical scheme: the deep groove ball bearing with the good positioning effect is characterized by comprising two bearing bodies, wherein a connecting ring for connecting two parts is arranged between the two bearing bodies, the two bearing bodies are symmetrically arranged at the upper end and the lower end of the connecting ring, the two bearing bodies respectively comprise a bearing outer ring and a bearing inner ring for penetrating a shaft, a plurality of balls capable of rotating are arranged between the bearing outer ring and the bearing inner ring, the balls are connected in series through a retainer to form a ball assembly capable of rotating around the bearing outer ring, a positioning ring for positioning the balls is further arranged between the bearing outer ring and the bearing inner ring, a slot for inserting the positioning ring is formed in the connecting ring, the slot is circular, a first annular bulge part is further convexly arranged on the connecting ring, a second bulge part is further convexly arranged in the positioning ring, the upper end and the lower end of each of the plurality of balls are provided with a groove corresponding to the first protruding part and the second protruding part, the positioning ring, the connecting ring and the bearing inner ring form a sealed space for the balls to move together, and the balls roll circumferentially around the bearing inner ring on the first protruding part and the second protruding part.

In the deep groove ball bearing with good positioning effect, the outer peripheral wall of the inner ring of the bearing is provided with a first rolling groove for rolling balls, and the inner end of the positioning ring is provided with a second rolling groove for rolling balls.

In the above deep groove ball bearing with good positioning effect, the outer peripheral wall of the inner ring of the bearing is further provided with a mounting groove for inserting the positioning ring.

In the deep groove ball bearing with good positioning effect, a plurality of steel balls are arranged between the bearing inner ring and the connecting ring, a first annular groove matched with the steel balls is formed in the position, close to the connecting ring, on the bearing inner ring, a second annular groove matched with the steel balls is formed in the connecting ring, the plurality of steel balls are arranged in a rolling space formed by the first annular groove and the second annular groove, and the bearing inner ring can rotate in the bearing outer ring under the action of the steel balls.

In the above deep groove ball bearing with good positioning effect, the two bearing bodies are fixedly connected with the connecting ring through the fixing bolt.

Compared with the prior art, the deep groove ball bearing with good positioning effect has the advantages that the positioning ring is arranged between the bearing inner ring and the bearing outer ring, the first protruding part on the positioning ring and the second protruding part on the connecting ring correspond to the grooves in the balls respectively, and the rotating track of the balls is controlled, so that the balls cannot deviate in work, and the influence on the whole work is caused.

Drawings

Fig. 1 is a schematic view of the installation of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

In the figure, 1, a bearing body; 2. connecting the circular rings; 3. a bearing outer race; 4. a bearing inner race; 5. a ball bearing; 6. a holder; 7. a ball assembly; 8. a positioning ring; 9. a slot; 10. a first bulge part; 11. a second bulge part; 12. a groove; 13. sealing the space; 14. a first rolling groove; 15. a second rolling groove; 16. mounting grooves; 17. steel balls; 18. a first annular groove; 19. a second annular groove; 20. and fixing the bolt.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the deep groove ball bearing with good positioning effect comprises two bearing bodies 1, a connecting ring 2 for connecting two parts is arranged between the two bearing bodies 1, the two bearing bodies 1 are symmetrically arranged at the upper end and the lower end of the connecting ring 2, each of the two bearing bodies 1 comprises a bearing outer ring 3 and a bearing inner ring 4 for penetrating a shaft, a plurality of rotatable balls 5 are arranged between the bearing outer ring 3 and the bearing inner ring 4, the plurality of balls 5 are connected in series through a retainer 6 to form a ball assembly 7 capable of rotating around the bearing outer ring 3, a positioning ring 8 for positioning the balls 5 is further arranged between the bearing outer ring 3 and the bearing inner ring 4, the positioning ring 8 positions the balls 5 and prevents the bearing inner ring 4 from falling off, and meanwhile, in the process of rotating the balls 5, the ball 5 only can wear the positioning ring 8, the bearing outer ring 3 cannot be damaged, the service life of the bearing device is prolonged, the connecting ring 2 is provided with a slot 9 for the positioning ring 8 to be inserted, the slot 9 is annular, the connecting ring 2 is further convexly provided with an annular first protruding part 10, a second protruding part 11 is further convexly arranged in the positioning ring 8, grooves 12 corresponding to the first protruding part 10 and the second protruding part 11 are formed in the upper end and the lower end of the plurality of balls 5, the positioning ring 8, the connecting ring and the bearing inner ring 4 jointly form a sealing space 13 for the balls 5 to move, and the balls 5 roll on the first protruding part 10 and the second protruding part 11 in the circumferential direction around the bearing inner ring 4.

In a further elaboration, in the installation process, the bearing inner ring 4 is connected with the steel ball 17 installed on the connecting ring 2, then the ball 5 is matched with the first protruding part 10, meanwhile, the outer side wall of the ball 5 is matched with the first rolling groove 14 on the bearing inner ring 4, then the second protruding part 11 on the positioning ring 8 is matched with the groove 12 at the upper end of the ball 5, the positioning ring 8 is inserted into the slot 9 of the connecting ring 2, and then the fixing ring is fixed with the bearing outer ring 3 through the fixing bolt 20, so that the positioning ring 8 can be fixed.

In detail, a first rolling groove 14 for rolling the balls 5 is formed in the outer peripheral wall of the bearing inner ring 4, and a second rolling groove 15 for rolling the balls 5 is formed in the inner end of the positioning ring 8.

In more detail, the outer circumferential wall of the bearing inner ring 4 is further provided with a mounting groove 16 for inserting the positioning ring 8, and the positioning ring 8 is cylindrical, so that the positioning ring 8 does not interfere with the rotation of the bearing inner ring 4.

In more detail, a plurality of steel balls 17 are arranged between the bearing inner ring 4 and the connecting ring 2, a first annular groove 18 matched with the steel balls 17 is formed in the position, close to the connecting ring 2, of the bearing inner ring 4, a second annular groove 19 matched with the steel balls 17 is formed in the connecting ring 2, the plurality of steel balls 17 are arranged in a rolling space formed by the first annular groove 18 and the second annular groove 19, and the bearing inner ring 4 can rotate in the bearing outer ring 3 under the action of the steel balls 17.

In further detail, in the embodiment, the bearing is installed outside the shaft, the ball assembly 7 only rotates along the track of the first protrusion and the second protrusion 11 in the rotation process of the shaft, the situation that the ball assembly 7 deviates in the rotation process of the shaft is avoided, and as the positioning ring 8, the bearing inner ring 4 and the connecting ring 2 jointly form a moving space, lubricating grease is added into the moving space, so that the lubricating effect on the ball assembly 7 in the rolling process is better.

Preferably, the two bearing bodies are fixedly connected with the connecting ring 2 through fixing bolts 20.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The deep groove ball bearing with the positioning effect is characterized by comprising two bearing bodies (1), wherein a connecting ring (2) used for connecting two parts is arranged between the two bearing bodies (1), the two bearing bodies (1) are symmetrically arranged at the upper end and the lower end of the connecting ring (2), the two bearing bodies (1) respectively comprise a bearing outer ring (3) and a bearing inner ring (4) used for penetrating a shaft, a plurality of balls (5) capable of rotating are arranged between the bearing outer ring (3) and the bearing inner ring (4), the plurality of balls (5) are connected in series through a retainer (6) to form a ball assembly (7) capable of rotating around the bearing outer ring (3), a positioning ring (8) used for positioning the balls (5) is further arranged between the bearing outer ring (3) and the bearing inner ring (4), and a slot (9) used for inserting the positioning ring (8) is formed in the connecting ring (2), slot (9) be the ring form, connection ring (2) on still protruding annular bellying (10) that is equipped with, holding ring (8) in still protruding bellying two (11) that are equipped with, a plurality of ball (5) the upper and lower both ends all seted up with bellying one (10) and the corresponding recess (12) of bellying two (11), holding ring (8), go-between and bearing inner race (4) form jointly and supply its ball (5) to carry out the confined space (13) that moves about, and ball (5) on bellying one (10) and bellying two (11) and around bearing inner race (4) carry out the circumference and roll.

2. The deep groove ball bearing with the positioning effect as claimed in claim 1, wherein a first rolling groove (14) for rolling the balls (5) is formed on the outer circumferential wall of the bearing inner ring (4), and a second rolling groove for rolling the balls (5) is formed at the inner end of the positioning ring (8).

3. The deep groove ball bearing with the positioning effect as claimed in claim 1, wherein the outer circumferential wall of the bearing inner ring (4) is further provided with a mounting groove (16) for inserting the positioning ring (8).

4. The deep groove ball bearing with the positioning effect as claimed in claim 1, wherein a plurality of steel balls (17) are arranged between the bearing inner ring (4) and the connecting ring (2), a first annular groove (18) matched with the steel balls (17) is formed in the position, close to the connecting ring (2), on the bearing inner ring (4), a second annular groove (19) matched with the steel balls (17) is formed in the connecting ring (2), the plurality of steel balls (17) are arranged in a rolling space formed by the first annular groove (18) and the second annular groove (19), and the bearing inner ring (4) can rotate in the bearing outer ring (3) under the action of the steel balls (17).

5. The deep groove ball bearing with locating effect according to claim 1, characterized in that both bearing bodies (1) are fixedly connected with the connecting ring (2) by means of fixing bolts (20).