CN220687844U

CN220687844U - Novel linear bearing

Info

Publication number: CN220687844U
Application number: CN202322481061.1U
Authority: CN
Inventors: 叶联武
Original assignee: Zhejiang Airuite Bearing Manufacturing Co ltd
Current assignee: Zhejiang Airuite Bearing Manufacturing Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-03-29
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a novel linear bearing, which belongs to the field of bearings and comprises an inner ring, wherein a support frame is clamped on the outer side of the inner ring, an outer ring is clamped on the outer side of the support frame, a ball groove is formed in the support frame, balls are arranged in the ball groove in a rolling manner, a front check ring is clamped on the front side of the support frame, a rear check ring is clamped on the rear side of the support frame, inner wear-resisting layers are respectively fixedly arranged on the inner sides of the inner ring and the outer ring, outer wear-resisting layers are respectively fixedly arranged on the outer sides of the inner ring and the outer ring, a plurality of inner oil holes are formed in the inner ring, the outer ring is provided with outer oil holes, and lubricating oil flows into the inner side of the inner ring through the inner oil holes and then flows into the inner side of the inner ring through the inner oil holes, so that the effect of lubricating inside and outside of the bearing is achieved, the high-temperature resistant effect is improved, and meanwhile, the inner ring and the outer ring have wear-resisting effects through the arrangement of the inner wear-resisting layers and the outer wear-resisting layers respectively, and the wear-resisting effects of the bearing are improved.

Description

Novel linear bearing

Technical Field

The utility model relates to the field of bearings, in particular to a novel linear bearing.

Background

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy.

At present, the surface of the linear bearing is smooth, and connecting holes are not formed between the inner ring and the outer ring of the bearing, so that lubricating oil is not easy to lubricate and disperse the inside and the outside of the bearing, the bearing is not only easy to be damaged by friction, but also is not easy to cool, and the inner ring and the outer ring of the bearing have no wear-resisting effect.

For example, a linear bearing disclosed in publication number CN219510009U includes an outer ring, rolling elements, a cage on which the rolling elements are mounted, and a retainer ring mounted on the outer side of the cage and provided on the inner side of the outer ring. The outer ring is provided with the square groove, and linear bearing passes through square groove axial positioning, and linear bearing prevents outer lane circumferential rotation through the square groove. According to the utility model, the square groove is arranged on the outer ring, so that the linear bearing has positioning capability under special working conditions and the outer ring is prevented from rotating. By adopting ceramic balls as rolling bodies, excessive abrasion between the roller path and the rolling bodies is avoided, and the continuous service life of the linear bearing under the non-lubrication condition is prolonged; the outer ring, the retainer and the retainer ring of the linear bearing are processed by adopting various new materials, so that the corrosion resistance requirement of the linear bearing is met.

According to the scheme disclosed above, the linear bearing is not provided with a structure for conveniently dispersing lubricating oil, and is not provided with a wear-resistant and damage-resistant structure.

Disclosure of Invention

The utility model aims to provide a novel linear bearing so as to solve the problem of protection of the linear bearing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel linear bearing comprises an inner ring, the outside joint of inner ring has the support frame, the outside joint of support frame has the outer lane, the support frame is provided with the ball groove, the inside roll in ball groove is provided with the ball, the front side joint of support frame has preceding retaining ring, the rear side joint of support frame has the back retaining ring, the inboard of inner ring and outer lane is fixed respectively and is provided with interior wearing layer, the outside of inner ring and outer lane is fixed respectively and is provided with outer wearing layer, the inner ring is provided with a plurality of interior oil filling holes, the outer lane is provided with outer oil filling hole, through setting up interior oil filling hole and outer oil filling hole for lubricating oil flows into the inboard of inner ring through outer oil filling hole inflow, thereby has reached the inside and outside lubricated effect of bearing, has increased lubrication effect, has reached high temperature resistant effect, simultaneously through the setting of interior wearing layer and outer wearing layer, makes inner ring and outer lane have wear-resisting effect respectively, increases bearing wear-resisting effect.

Preferably, the inner ring is rotatably arranged in the outer ring, the balls are arranged on the outer side of the inner ring in a rolling mode, the balls are supported by the supporting frame, and the front and rear connection positions of the inner ring and the outer ring are respectively shielded by the arrangement of the front retainer ring and the rear retainer ring.

Preferably, the balls are arranged on the inner side of the outer ring in a rolling way, and the front check ring and the rear check ring are the same in size.

Preferably, the front check ring is arranged at the front-side connection part of the inner ring and the outer ring, and the rear check ring is arranged at the rear-side connection part of the inner ring and the outer ring.

Preferably, the thickness of the inner wear-resistant layer is the same as that of the outer wear-resistant layer, and the inner diameter of the inner oil filling hole is the same as that of the outer oil filling hole.

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

(1) According to the utility model, the inner oil filling hole and the outer oil filling hole are arranged, so that lubricating oil flows into the inner side of the inner ring through the outer oil filling hole and then flows into the inner side of the inner ring through the inner oil filling hole, the effect of lubricating the inner and outer sides of the bearing is achieved, the lubricating effect is increased, and the high temperature resistant effect is achieved.

(2) According to the utility model, through the arrangement of the inner wear-resistant layer and the outer wear-resistant layer, the inner ring and the outer ring respectively have wear-resistant effects, and the wear-resistant effect of the bearing is increased.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

fig. 3 is a schematic overall structure of the present utility model.

The reference numerals in the figures illustrate:

1 inner ring, 2 support frame, 3 outer ring, 4 ball grooves, 5 balls, 6 front check ring, 7 rear check ring, 71 inner wear-resisting layer, 8 outer wear-resisting layer, 9 inner oil filler hole, 10 outer oil filler hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1

Referring to fig. 1-3, the novel linear bearing in the drawing comprises an inner ring 1, a supporting frame 2 is clamped at the outer side of the inner ring 1, an outer ring 3 is clamped at the outer side of the supporting frame 2, a ball groove 4 is formed in the supporting frame 2, balls 5 are arranged in the ball groove 4 in a rolling mode, a front check ring 6 is clamped at the front side of the supporting frame 2, a rear check ring 7 is clamped at the rear side of the supporting frame 2, inner wear-resisting layers 71 are respectively and fixedly arranged at the inner sides of the inner ring 1 and the outer ring 3, an outer wear-resisting layer 8 is respectively and fixedly arranged at the outer sides of the inner ring 1 and the outer ring 3, a plurality of inner oil filling holes 9 are formed in the inner ring 1, and outer oil filling holes 10 are formed in the outer ring 3.

In order to facilitate the installation and limit, the inner ring 1 is rotatably arranged in the outer ring 3, the balls 5 are arranged on the outer side of the inner ring 1 in a rolling way, the balls 5 are arranged on the inner side of the outer ring 3 in a rolling way, and the front check ring 6 and the rear check ring 7 are the same in size.

In this embodiment, through setting up interior oil filler point 9 and outer oil filler point 10 for lubricating oil flows in through outer oil filler point 10 and then flows in the inboard of inner circle 1 through interior oil filler point 9, thereby has reached the inside and outside lubricated effect of bearing, has increaseed lubrication effect, has reached high temperature resistant effect.

Example 2

Referring to fig. 1-3, this embodiment further illustrates an example 1, where the novel linear bearing in the illustration includes an inner ring 1, a support frame 2 is clamped on the outer side of the inner ring 1, an outer ring 3 is clamped on the outer side of the support frame 2, a ball groove 4 is provided on the support frame 2, balls 5 are rolling in the ball groove 4, a front retainer ring 6 is clamped on the front side of the support frame 2, a rear retainer ring 7 is clamped on the rear side of the support frame 2, inner wear-resisting layers 71 are respectively and fixedly provided on the inner sides of the inner ring 1 and the outer ring 3, outer wear-resisting layers 8 are respectively and fixedly provided on the outer sides of the inner ring 1 and the outer ring 3, a plurality of inner oil holes 9 are provided on the inner ring 1, and an outer oil hole 10 is provided on the outer ring 3.

For convenience of protection, the front retainer ring 6 is disposed at the front-side connection of the inner ring 1 and the outer ring 3, the rear retainer ring 7 is disposed at the rear-side connection of the inner ring 1 and the outer ring 3, the thickness of the inner wear-resistant layer 71 is the same as that of the outer wear-resistant layer 8, and the inner diameter of the inner oil filling hole 9 is the same as that of the outer oil filling hole 10.

In this embodiment, the inner wear-resistant layer 71 and the outer wear-resistant layer 8 are disposed, so that the inner ring 1 and the outer ring 3 have wear-resistant effects, respectively, and the bearing wear-resistant effect is increased.

Through the setting of interior wearing layer 71 and outer wearing layer 8, play the antifriction effect to the inside and outside of inner circle 1 and outer lane 3 respectively, through setting up interior oil filler point 9 and outer oil filler point 10 for lubricating oil flows in through outer oil filler point 10 and then flows in the inboard of inner circle 1 through interior oil filler point 9, thereby has reached the inside and outside lubricated effect of bearing, has increaseed lubrication effect, has reached high temperature resistant effect.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Novel linear bearing, including inner circle (1), its characterized in that: the outside joint of inner circle (1) has support frame (2), the outside joint of support frame (2) has outer lane (3), support frame (2) are provided with ball groove (4), the inside roll in ball groove (4) is provided with ball (5), the front side joint of support frame (2) has preceding retaining ring (6), the rear side joint of support frame (2) has back retaining ring (7), the inboard of inner circle (1) and outer lane (3) is fixed respectively and is provided with interior wearing layer (71), the outside of inner circle (1) and outer lane (3) is fixed respectively and is provided with outer wearing layer (8), inner circle (1) is provided with a plurality of interior oil filler points (9), outer lane (3) are provided with outer oil filler point (10).

2. The novel linear bearing of claim 1, wherein: the inner ring (1) is rotatably arranged in the outer ring (3), and the balls (5) are arranged on the outer side of the inner ring (1) in a rolling way.

3. The novel linear bearing of claim 1, wherein: the balls (5) are arranged on the inner side of the outer ring (3) in a rolling mode, and the front check ring (6) and the rear check ring (7) are the same in size.

4. The novel linear bearing of claim 1, wherein: the front check ring (6) is arranged at the front-side connection part of the inner ring (1) and the outer ring (3), and the rear check ring (7) is arranged at the rear-side connection part of the inner ring (1) and the outer ring (3).

5. The novel linear bearing of claim 1, wherein: the thickness of the inner wear-resistant layer (71) is the same as that of the outer wear-resistant layer (8), and the inner diameter of the inner oil filling hole (9) is the same as that of the outer oil filling hole (10).