CN215171514U

CN215171514U - Ball bearing with oil filler point

Info

Publication number: CN215171514U
Application number: CN202022862510.3U
Authority: CN
Inventors: 张凯; 赵少文
Original assignee: Xinchang Lilihong Bearing Co ltd
Current assignee: Xinchang Lilihong Bearing Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-12-14
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a ball bearing with oil filler point relates to mechanical connecting piece technical field, though reduced the friction between the inner and outer lane through the ball to traditional ball bearing, but long-time rolling friction still can produce the friction damage between inner and outer lane and the ball, need regularly pour into lubricating oil into and lubricate the protection, but connect between bearing inner and outer lane and the ball comparatively closely and difficult dismantlement, the problem that lubricating oil is difficult for getting into from the outside now proposes following scheme, including bearing inner race, bearing inner circle and notes oil duct, the inside of locating the bearing inner race is said to the oiling. The utility model has the advantages that through the design of the oil injection passage, the oil injection hole and the oil outlet hole, lubricating oil is conveniently injected into the joints of the bearing outer ring, the bearing inner ring and the balls from the outside for lubrication protection; through the design of separation blade, be convenient for plug up the oil outlet to be convenient for spout and will annotate remaining lubricating oil residue in the oil duct and discharge through the oil drain hole after the degreaser.

Description

Ball bearing with oil filler point

Technical Field

The utility model relates to a mechanical connecting piece technical field especially relates to a ball bearing with oil filler point.

Background

The ball bearing is one kind of rolling bearing, and has spherical alloy steel balls installed between the inner steel ring and the outer steel ring to reduce friction force and raise the mechanical power transmission efficiency. Ball bearings, also called ball bearings, are common devices that use ball bearings: the motor transmission shaft, the transmission part of a light motor vehicle, machining equipment, a mechanical transmission assembly of a factory production line and the like.

Although traditional ball bearing has reduced the friction between the interior outer lane through the ball, long-time rolling friction still can produce the friction damage between interior outer lane and the ball, needs regularly to pour into lubricating oil into and lubricates the protection, but connects comparatively inseparably and difficult dismantlement between interior outer lane of bearing and the ball, and lubricating oil is difficult for getting into from the outside.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of ball bearing with oil filler point has solved traditional ball bearing and has reduced the friction between the inner and outer lane through the ball, but long-time rolling friction still can produce the friction damage between inner and outer lane and the ball, need regularly pour into lubricating oil into and lubricate the protection, but connect between bearing inner and outer lane and the ball comparatively closely and difficult dismantlement, the difficult problem that gets into from the outside of lubricating oil.

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

the utility model provides a ball bearing with oil filler point, includes bearing inner race, bearing inner race and notes the oil duct, the inside of bearing inner race is seted up to the oil duct, annotate the bottom of oil duct and seted up a plurality of oil outlet, annotate the top of oil duct and seted up a pair of oil filler point, annotate two bottoms of oil duct and all seted up the oil drain hole, the oil drain hole runs through the outer loop surface of bearing inner race, just the inside filling connection of oil drain hole has the sealing plug.

Preferably, the top surface of the outer ring of the bearing outer ring is provided with a thread groove, the internal thread of the thread groove is connected with a thread shaft in a screwing manner, the bottom end of the thread shaft is rotatably connected with a short shaft, and the bottom end of the short shaft is fixedly connected with a blocking piece.

Preferably, the blocking piece is located inside the oil injection passage, and the radian of the inner annular surface of the blocking piece is the same as that of the outer annular surface of the bottom of the oil injection passage.

Preferably, the outer ring surface of the baffle plate is symmetrically provided with a pair of oil leakage holes, and the oil leakage holes respectively correspond to the two oil injection holes.

Preferably, the top end of the oil leakage hole is provided with a flange, and the outer surface of the flange is attached to the inner side surface of the oil filling hole.

Preferably, a plurality of balls are movably clamped and connected between the bearing outer ring and the bearing inner ring, and a retainer is clamped and connected between the bearing outer ring and the bearing inner ring and positioned at the front side and the rear side of each ball.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that through the design of the oil injection passage, the oil injection hole and the oil outlet hole, lubricating oil is conveniently injected into the joints of the bearing outer ring, the bearing inner ring and the balls from the outside for lubrication protection; through the design of the blocking piece, the oil outlet is convenient to block, so that the residual lubricating oil residues in the oil injection passage can be conveniently discharged through the oil discharge hole after the oil removing agent is sprayed; through the design of the screw thread screwing connection between the screw thread groove and the rotating connection between the screw thread shaft and the short shaft, the blocking piece is driven to move up and down through the screw thread shaft.

Drawings

Fig. 1 is a schematic front view of a ball bearing with an oil injection hole according to the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, balls 3, a retainer 4, a threaded shaft 5, a sealing plug 6, an oil injection passage 7, an oil injection hole 8, an oil outlet hole 9, an oil discharge hole 10, a thread groove 11, a short shaft 12, a baffle plate 13 and an oil leakage hole 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.

Referring to fig. 1-2, a ball bearing with oil filler point, including bearing inner race 1, bearing inner race 2 and oiling channel 7, oiling channel 7 is seted up in bearing inner race 1's inside, a plurality of oil outlet 9 has been seted up to the bottom of oiling channel 7, a pair of oil filler point 8 has been seted up at the top of oiling channel 7, oil drain hole 10 has all been seted up to two bottoms of oiling channel 7, oil drain hole 10 runs through the outer loop surface of bearing inner race 1, and the inside filling connection of oil drain hole 10 has sealing plug 6.

In this embodiment, a thread groove 11 is formed in the top surface of the outer ring of the bearing outer ring 1, a threaded shaft 5 is screwed in the internal thread of the thread groove 11, a short shaft 12 is rotatably connected to the bottom end of the threaded shaft 5, and a blocking piece 13 is fixedly connected to the bottom end of the short shaft 12.

In this embodiment, the blocking piece 13 is located inside the oil injection passage 7, and the radian of the inner annular surface of the blocking piece 13 is the same as that of the outer annular surface at the bottom of the oil injection passage 7.

In this embodiment, a pair of oil leakage holes 14 are symmetrically formed in the outer circumferential surface of the baffle 13, and the oil leakage holes 14 correspond to the two oil injection holes 8, respectively.

In this embodiment, the top end of the oil leakage hole 14 is provided with a flange, and the outer surface of the flange is attached to the inner side surface of the oil injection hole 8.

In this embodiment, a plurality of balls 3 are movably engaged and connected between the bearing outer ring 1 and the bearing inner ring 2, and a retainer 4 is engaged and connected between the bearing outer ring 1 and the bearing inner ring 2 and located on both front and rear sides of the balls 3.

The working principle is as follows: although the friction between the inner ring and the outer ring is reduced through the balls in the traditional ball bearing, the long-time rolling friction still can generate friction damage between the inner ring and the outer ring and between the balls, lubricating oil needs to be injected periodically for lubrication protection, but the connection between the inner ring and the outer ring of the bearing and the balls is tight and is not easy to disassemble, and the lubricating oil is not easy to enter from the outside Lubricating protection is carried out between the bearing inner ring 2 and the ball 3; along with long-time oil injection operation, part of viscous lubricating oil can remain in the oil injection passage 7 and needs to be removed so as to avoid blocking the oil injection passage 7, at the moment, the threaded shaft 5 is reversely rotated to drive the blocking piece 13 to move downwards in the oil injection passage 7, the inner ring surface of the blocking piece 13 is tightly pressed on the outer ring surface of the bottom of the oil injection passage 7, the oil outlet hole 9 is blocked, then the oil removing agent is sprayed into the oil injection passage 7 through the oil injection hole 8, the oil removing agent is blocked above the blocking piece 13 at the moment and cannot flow out of the oil outlet hole 9, and the bottom end of the oil leakage hole 14 is blocked by the outer ring surface of the bottom of the oil injection passage 7, so the oil removing agent cannot flow below the blocking piece 13 through the oil leakage hole 14, then the sealing plug 6 is pulled out, and the oil removing agent and the lubricating oil residues are discharged together through the oil discharge hole 10.

In conclusion, through the design of the oil injection passage 7, the oil injection hole 8 and the oil outlet hole 9, lubricating oil is conveniently injected into the joint of the bearing outer ring 1, the bearing inner ring 2 and the ball 3 from the outside for lubrication protection; the oil outlet 9 is conveniently blocked by the design of the baffle plate 13, so that the residual lubricating oil residue in the oil injection passage 7 is conveniently discharged through the oil discharge hole 10 after the oil removing agent is injected; through the design of the thread screwing connection between the threaded shaft 5 and the threaded groove 11 and the rotating connection between the threaded shaft 5 and the short shaft 12, the blocking piece 13 is driven to move up and down through the threaded shaft 5 conveniently.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 utility model provides a ball bearing with oil filler point, includes bearing inner race (1), bearing inner race (2) and oiling way (7), its characterized in that, annotate the inside of oil duct (7) seted up in bearing inner race (1), a plurality of oil outlet (9) have been seted up to the bottom of annotating oil duct (7), a pair of oil filler point (8) have been seted up at the top of annotating oil duct (7), oil drain hole (10) have all been seted up to two bottoms of annotating oil duct (7), oil drain hole (10) run through the sealing plug surface of bearing inner race (1), just the inside filling connection of oil drain hole (10) has oil drain hole (6).

2. The ball bearing with the oil filling hole is characterized in that a thread groove (11) is formed in the top surface of the outer ring of the bearing outer ring (1), a thread shaft (5) is screwed in the inner thread of the thread groove (11), a short shaft (12) is rotatably connected to the bottom end of the thread shaft (5), and a blocking piece (13) is fixedly connected to the bottom end of the short shaft (12).

3. The ball bearing with the oil filler hole as claimed in claim 2, wherein the baffle plate (13) is located inside the oil injection passage (7), and the inner annular surface of the baffle plate (13) has the same radian as the bottom outer annular surface of the oil injection passage (7).

4. The ball bearing with oil filler holes as claimed in claim 3, wherein a pair of oil leakage holes (14) are symmetrically formed on the outer circumferential surface of the baffle plate (13), and the oil leakage holes (14) correspond to the two oil filler holes (8), respectively.

5. A ball bearing with an oil filler hole according to claim 4, wherein the top end of the oil leakage hole (14) is provided with a flange, and the outer surface of the flange is fitted with the inner side surface of the oil filler hole (8).

6. The ball bearing with the oil filling holes is characterized in that a plurality of balls (3) are movably clamped and connected between the bearing outer ring (1) and the bearing inner ring (2), and a retainer (4) is clamped and connected between the bearing outer ring (1) and the bearing inner ring (2) and positioned on the front side and the rear side of each ball (3).