CN213451388U

CN213451388U - Turntable bearing with high sealing performance

Info

Publication number: CN213451388U
Application number: CN202022062808.6U
Authority: CN
Inventors: 葛波达; 葛明龙; 赵永辉
Original assignee: Ningbo Zhenhai Yge Bearing Co ltd
Current assignee: Ningbo Zhenhai Yge Bearing Co ltd
Priority date: 2020-09-20
Filing date: 2020-09-20
Publication date: 2021-06-15
Anticipated expiration: 2030-09-20

Abstract

The utility model discloses a carousel bearing of high leakproofness relates to mechanical carousel bearing technical field, comprising a main body, the top of main part is seted up jaggedly, and the bottom of breach is provided with the oil inlet, the inside threaded connection of breach has closing screw, and closing screw and the crossing department of breach settle there is the sealing washer, the internally mounted of main part has the rotor, and the outer wall of rotor is provided with the recess, swing joint has the ball between recess and the main part, the double-screw bolt is installed to the inboard of rotor. The utility model discloses in, be provided with closing screw, sealing washer, breach and oil inlet, the main part is the closure form, all seals all components and parts in the inside of main part, and rotatory closing screw injects lubricating oil toward the main part is inside through the oil inlet, and lubricating oil can reduce the friction between the inside components and parts of main part on the one hand, and on the other hand plays the effect of oil blanket to the inside components and parts of main part for the bearing has high leakproofness.

Description

Turntable bearing with high sealing performance

Technical Field

The utility model relates to a machinery carousel bearing technical field especially relates to a carousel bearing of high leakproofness.

Background

With the development of science and technology and the progress of times, the development of the mechanical industry is rapid, various high-precision instruments can not be separated from mechanical elements, common mechanical elements are bearings, however, since the rotors of the bearings are exposed, when the bearings are used, balls in the rotors are easy to rust, the bearings cannot rotate flexibly or even fail, and therefore the turntable bearing with high sealing performance is provided.

The existing turntable bearing is exposed in the air, components in a rotor are easy to oxidize when the turntable bearing is used, so that the bearing is damaged, the size of the bearing cannot be adjusted according to a rotating shaft required to be connected, the rotating shaft of one type can only be matched with the bearing of the same specification, and the turntable bearing is troublesome to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current turntable bearing and exposing in the air, the easy oxidation of components and parts in the rotor when using leads to the bearing to damage, and the size of bearing can not be according to the pivot adjustment that required to connect, and the pivot of a model can only with the bearing phase-match with the specification, use comparatively trouble shortcoming, and the turntable bearing of a high leakproofness that provides.

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

a turntable bearing with high sealing performance comprises a main body, wherein a notch is formed in the top of the main body, an oil inlet is formed in the bottom of the notch, a sealing screw is connected to the inner portion of the notch in a threaded manner, a sealing ring is arranged at the intersection of the sealing screw and the notch, a rotor is mounted inside the main body, a groove is formed in the outer wall of the rotor, a ball is movably connected between the groove and the main body, a stud is mounted on the inner side of the rotor, an arc-shaped fixing plate is movably connected to the outer portion of the stud, a spring is mounted between the arc-shaped fixing plate and the rotor, a fixing piece is mounted at the tail end of the stud, a self-locking nut is connected to the outer side of the stud in a threaded manner, an annular transparent window is inlaid in the positive portion of the main body, a first drive plate is arranged on the, and a first gear is installed on the right side of the second gear in a matching mode, and a connecting rod is arranged between the first gear and the second driving plate.

Preferably, a rolling structure is formed between the balls and the rotor, and the balls are distributed in the grooves in the rotor at equal intervals.

Preferably, a rotating structure is formed between the main body and the rotor through balls, and an elastic structure is formed between the arc-shaped fixing plate and the rotor through springs.

Preferably, a sliding structure is formed between the arc-shaped fixing plate and the stud, and the inclination angle between the stud and the horizontal plane is 45 degrees.

Preferably, four springs are symmetrically distributed around the center of the rotor, and the first gear and the second gear are in meshing transmission.

Preferably, the inner wall of the sealing ring is tightly attached to the outer wall of the sealing screw, and the distance from the bottom of the groove to the inner wall of the main body is greater than the diameter of the ball.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be provided with closing screw, sealing washer, breach and oil inlet, the main part is the closure form, all seals all components and parts in the inside of main part, and rotatory closing screw injects lubricating oil toward the main part is inside through the oil inlet, and lubricating oil can reduce the friction between the inside components and parts of main part on the one hand, and on the other hand plays the effect of oil blanket to the inside components and parts of main part for the bearing has high leakproofness.

2. The utility model discloses in, be provided with spring, double-screw bolt, self-locking nut, arc fixed plate and stationary blade, slide at the double-screw bolt outside through arc fixed plate, can adjust the distance between the arc fixed plate, and then can fix the pivot of different specifications, no longer confine the pivot of standard specification to, it is simple and convenient to use.

3. The utility model discloses in, be provided with first gear, second gear, first driver plate, second driver plate and connecting rod, it is rotatory just can drive first gear through stirring first driver plate and second driver plate in the device outside, and it is rotatory that first gear drives the second gear, and then realizes the rotation of auto-lock nut, need not transfer in inside, and the bearing has the leakproofness of height.

Drawings

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

FIG. 2 is a schematic diagram of the overall external structure of the present invention;

fig. 3 is a schematic view of the middle gear meshing transmission structure of the present invention.

FIG. 4 is a schematic view of the connection structure of the second driving plate of the present invention

Illustration of the drawings:

1. a closing screw; 2. an oil inlet; 3. a seal ring; 4. a main body; 5. a ball bearing; 6. a rotor; 7. a groove; 8. a spring; 9. a stud; 10. a self-locking nut; 11. a fixing sheet; 12. an arc-shaped fixing plate; 13. a first dial; 14. an annular transparent window; 15. a second dial; 16. a first gear; 17. a second gear; 18. a connecting rod; 19. and (4) a notch.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a high-sealing turntable bearing comprises a sealing screw 1, an oil inlet 2, a sealing ring 3, a main body 4, balls 5, a rotor 6, a groove 7, a spring 8, a stud 9, a self-locking nut 10, a fixing plate 11, an arc-shaped fixing plate 12, a first driving plate 13, an annular transparent window 14, a second driving plate 15, a first gear 16, a second gear 17, a connecting rod 18 and a notch 19, wherein the top of the main body 4 is provided with a notch 19, the bottom of the notch 19 is provided with the oil inlet 2, the inside of the notch 19 is in threaded connection with the sealing screw 1, the sealing ring 3 is arranged at the intersection of the sealing screw 1 and the notch 19, the rotor 6 is installed inside the main body 4, the groove 7 is arranged on the outer wall of the rotor 6, the balls 5 are movably connected between the groove 7 and the main body 4, the stud 9 is installed on the, install spring 8 between arc fixed plate 12 and the rotor 6, and the terminal of stud 9 installs stationary blade 11, the outside threaded connection of stud 9 has self-locking nut 10, the portion of main part 4 is inlayed and is had annular transparent window 14, and the portion upper right side of main part 4 is provided with first driver plate 13, the portion lower left side of main part 4 has settled second driver plate 15, the outer wall of self-locking nut 10 has cup jointed second gear 17, and the right side cooperation of second gear 17 installs first gear 16, be provided with connecting rod 18 between first gear 16 and the second driver plate 15.

Further, a rolling structure is formed between the balls 5 and the rotor 6, the balls 5 are distributed in the grooves 7 in the rotor 6 at equal intervals, the rolling structure helps to reduce abrasion between the rotor 6 and the main body 4, and the balls 5 are distributed in the grooves 7 in the rotor 6 at equal intervals, so that stability in a transmission process is ensured.

Furthermore, a rotating structure is formed between the main body 4 and the rotor 6 through the balls 5, an elastic structure is formed between the arc-shaped fixing plate 12 and the rotor 6 through the springs 8, the rotating structure ensures that the rotor 6 can rotate around the main body 4 through rolling of the balls 5, and the arc-shaped fixing plate 12 can return to the original position under the action of the springs 8 when the self-locking nut 10 rotates reversely.

Furthermore, a sliding structure is formed between the arc-shaped fixing plate 12 and the stud 9, the inclination angle of the stud 9 to the horizontal plane is 45 degrees, and the movable structure ensures that the arc-shaped fixing plate 12 can slide outside the stud 9.

Furthermore, four springs 8 are symmetrically distributed about the center of the rotor 6, the first gear 16 and the second gear 17 are in meshing transmission, and four springs 8 are symmetrically distributed about the center of the rotor 6, so that the arc-shaped fixing plate 12 can slide on the outer surface of the stud 9 conveniently, the meshing transmission is realized, the structure is simple, and the transmission is stable.

Furthermore, the inner wall of the sealing ring 3 is tightly attached to the outer wall of the sealing screw 1, the distance from the bottom of the groove 7 to the inner wall of the main body 4 is larger than the diameter of the ball 5, the tight attachment ensures that water cannot enter the main body 4, the ball 5 rusts, the distance from the bottom of the groove 7 to the inner wall of the main body 4 is larger than the diameter of the ball 5, and the ball 5 can normally roll in the groove 7.

The working principle is as follows: when the sealing screw is used, the sealing screw 1 is unscrewed, the sealing ring 3 is taken down, lubricating oil is poured into the main body 4 until the lubricating oil overflows, the sealing ring 3 is sleeved outside the sealing screw 1, the sealing screw 1 is screwed down, all components in the main body 4 are in an oil sealing state at the moment, the sealing performance is high, the first gear 16 drives the second gear 17 to rotate through the first driving plate 13 and the second driving plate 15, the second gear 17 drives the self-locking nut 10 to rotate, a rotating shaft to be installed is inserted between the arc-shaped fixing plates 12, the first driving plate 13 and the second driving plate 15 are driven to enable the arc-shaped fixing plates 12 to move oppositely, the rotating shaft is fixed, the moving conditions of the balls 5 and the rotor 6 in the bearing can be observed through the annular transparent window 14 in the process, after the use, the first driving plate 13 and the second driving plate 15 are adjusted, the spring 8 drives, and loosening the rotating shaft, taking down the rotating shaft, and placing the bearing into oil for sealing.

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. The turntable bearing with high sealing performance comprises a main body (4) and is characterized in that a notch (19) is formed in the top of the main body (4), an oil inlet (2) is formed in the bottom of the notch (19), a sealing screw (1) is connected to the inner thread of the notch (19), a sealing ring (3) is arranged at the intersection of the sealing screw (1) and the notch (19), a rotor (6) is installed inside the main body (4), a groove (7) is formed in the outer wall of the rotor (6), a ball (5) is movably connected between the groove (7) and the main body (4), a stud (9) is installed on the inner side of the rotor (6), an arc fixing plate (12) is movably connected to the outer portion of the stud (9), a spring (8) is installed between the arc fixing plate (12) and the rotor (6), a fixing plate (11) is installed at the tail end of the stud (9, and the outside threaded connection of double-screw bolt (9) has self-locking nut (10), the portion of main part (4) is inlayed and is had annular transparent window (14), and the portion upper right side of main part (4) is provided with first driver plate (13), the portion lower left side of main part (4) is settled second driver plate (15), second gear (17) have been cup jointed to the outer wall of self-locking nut (10), and the right side cooperation of second gear (17) installs first gear (16), be provided with connecting rod (18) between first gear (16) and second driver plate (15).

2. A high-tightness slewing bearing according to claim 1, characterized in that said balls (5) and said rotor (6) form a rolling structure, and the balls (5) are distributed in the grooves (7) of the rotor (6) at equal intervals.

3. A high-sealing turntable bearing according to claim 1, wherein a rotating structure is formed between the main body (4) and the rotor (6) through the balls (5), and an elastic structure is formed between the arc-shaped fixing plate (12) and the rotor (6) through the spring (8).

4. The slewing bearing with high sealing performance according to claim 1, wherein a sliding structure is formed between the arc-shaped fixing plate (12) and the stud (9), and the inclination angle of the stud (9) to the horizontal plane is 45 degrees.

5. A high-tightness slewing bearing according to claim 1, wherein said springs (8) are symmetrically arranged in four about the center of said rotor (6), and said first gear (16) and said second gear (17) are in mesh transmission.

6. A high-tightness slewing bearing according to claim 1, wherein the inner wall of the sealing ring (3) is tightly fitted with the outer wall of the closing screw (1), and the distance from the bottom of the groove (7) to the inner wall of the main body (4) is greater than the diameter of the ball (5).