CN216589565U

CN216589565U - Oil-free self-lubricating bearing

Info

Publication number: CN216589565U
Application number: CN202122685182.9U
Authority: CN
Inventors: 彭浩
Original assignee: Shenzhen Binha Industrial Co ltd
Current assignee: Shenzhen Binha Industrial Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-24
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an oil-free self-lubricating bearing which comprises a shaft core and a shaft sleeve, wherein the outer side of the shaft core is connected to the inner side of the shaft sleeve, the shaft core comprises a first end surface, an inner column and a second end surface, the first end surface and the inner column are integrally formed, one end of the inner column is fixedly connected to the inner side of the second end surface, and the section of the shaft sleeve, which is vertical to the first end surface, is in a convex shape. According to the utility model, the outer side of the shaft core is connected to the inner side of the shaft sleeve, the first end surface and the inner column are integrally formed, one end of the inner column is fixedly connected to the inner side of the second end surface, a rolling friction mode is changed into a sliding friction mode by removing balls and lubricating grease in the bearing and replacing the balls and the lubricating grease with self-lubricating materials, a matching method is changed, an oil-free self-lubricating bearing is realized after the control part is assembled, and the problem of failure conditions such as easy clamping and the like of the bearing in the use process is solved.

Description

Oil-free self-lubricating bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to an oil-free self-lubricating bearing.

Background

The bearing without oil lubrication, as the name implies, is a bearing which can normally run without adding lubricant before or during use and has good antifriction effect, and the bearing without oil lubrication belongs to one of sliding bearings. The general sliding bearing needs to be added with lubricating oil, lubricating grease and other lubricating agents before working, so that a lubricating film is formed on a friction surface to play an effective lubricating role, while the non-oil sliding bearing is made of a self-lubricating material or can be used for a long time after being sealed after being pre-filled with the lubricating agents, and the lubricating agents do not need to be added in the working process.

The existing bearing forms a putty mixture under the working condition with dust, the work of the bearing is seriously influenced, the bearing rusts in a severe working environment and is blocked due to rusting, and the bearing is often provided with steel balls and the like, so that the bearing is large in number of parts, high in cost and inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a bearing in the prior art is easy to be locked and fail due to poor working environment, and provides an oil-free self-lubricating bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an oil-free self-lubricating bearing, includes axle core and axle sleeve, the inboard at the axle sleeve is connected in the outside of axle core, the axle core includes first terminal surface, interior post and second terminal surface, first terminal surface and interior post are integrated into one piece, the one end fixed connection of interior post is in the inboard of second terminal surface, the cross-section of the first terminal surface of perpendicular to of axle sleeve is the type of protruding to be two types of protruding of axis symmetry along interior post.

As a further description of the above technical solution:

one end of the inner column is provided with a second chamfer, and the inner side of the first end face is provided with a first chamfer.

As a further description of the above technical solution:

a first clearance cavity is arranged between the second end face and the shaft sleeve, and a second clearance cavity is arranged between the first end face and the shaft sleeve.

As a further description of the above technical solution:

the inner column is a hollow cylinder.

The utility model has the following beneficial effects:

according to the utility model, the outer side of the shaft core is connected to the inner side of the shaft sleeve, the first end surface and the inner column are integrally formed, one end of the inner column is fixedly connected to the inner side of the second end surface, a rolling friction mode is changed into a sliding friction mode by removing balls and lubricating grease in the bearing and replacing the balls and the lubricating grease with self-lubricating materials, a matching method is changed, an oil-free self-lubricating bearing is realized after the control part is assembled, and the problem of failure conditions such as easy clamping and the like of the bearing in the use process is solved.

Drawings

Fig. 1 is a schematic structural view of an oil-free self-lubricating bearing according to the present invention;

fig. 2 is a schematic cross-sectional structure view of an oil-free self-lubricating bearing according to the present invention.

Illustration of the drawings:

1. a shaft core; 2. a shaft sleeve; 3. a second end face; 4. a first chamfer; 5. an inner column; 6. a second chamfer; 7. a first interstitial cavity; 8. a first end face; 9. a second clearance cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, an embodiment of the present invention is provided: the utility model provides an oil-free self-lubricating bearing, includes axle core 1 and axle sleeve 2, and axle core 1's the outside is connected in axle sleeve 2's inboard, and axle core 1 includes first terminal surface 8, interior post 5 and second terminal surface 3, and first terminal surface 8 and interior post 5 are integrated into one piece, and the one end fixed connection of interior post 5 is in the inboard of second terminal surface 3, and the cross-section of the first terminal surface 8 of perpendicular to of axle sleeve 2 is the type of protruding to be two types of protruding characters along the axis symmetry of interior post 5. The shaft sleeve 2 is made of self-lubricating materials, and the shaft core 1 and the shaft sleeve 2 are changed into a sliding friction mode from a rolling friction mode, so that dust such as sand grains is prevented from entering, and the bearing is prevented from being clamped.

One end of the inner column 5 is provided with a second chamfer 6, and the inner side of the first end surface 8 is provided with a first chamfer 4. A first clearance cavity 7 is arranged between the second end surface 3 and the shaft sleeve 2, and a second clearance cavity 9 is arranged between the first end surface 8 and the shaft sleeve 2. The inner column 5 is a hollow cylinder.

The bearing can be replaced by the bearing under the working condition that high speed and overweight load is not needed, the matching method is changed by removing balls and lubricating grease in the bearing and replacing the ball and the lubricating grease with self-lubricating materials, the rolling friction mode is changed into the sliding friction mode, and the oil-free self-lubricating bearing is realized after the assembly of control parts.

The working principle is as follows: through the outside with axle core 1 connect in the inboard of axle sleeve 2, first terminal surface 8 and interior post 5 are integrated into one piece, the one end fixed connection of interior post 5 is in the inboard of second terminal surface 3, the cross-section of the first terminal surface 8 of the perpendicular to of axle sleeve 2 is type convexity, and be two type convexities along the axis symmetry of interior post 5, be convenient for install, through removing ball and lubricating grease in the traditional bearing, replace with the material of self-lubricating nature, change the cooperation method, change the sliding friction mode into by the rolling friction mode, control part assembly back, realize not having oily self-lubricating bearing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an there is not oily self-lubricating bearing, includes axle core (1) and axle sleeve (2), its characterized in that: the inboard at axle sleeve (2) is connected in the outside of axle core (1), axle core (1) includes first terminal surface (8), interior post (5) and second terminal surface (3), first terminal surface (8) and interior post (5) are integrated into one piece, the one end fixed connection of interior post (5) is in the inboard of second terminal surface (3), the cross-section of the first terminal surface of perpendicular to (8) of axle sleeve (2) is the type of protruding to be two types of protruding characters along the axis symmetry of interior post (5).

2. An oil-free self-lubricating bearing according to claim 1, wherein: one end of the inner column (5) is provided with a second chamfer (6), and the inner side of the first end face (8) is provided with a first chamfer (4).

3. An oil-free self-lubricating bearing according to claim 1, wherein: a first clearance cavity (7) is arranged between the second end face (3) and the shaft sleeve (2), and a second clearance cavity (9) is arranged between the first end face (8) and the shaft sleeve (2).

4. An oil-free self-lubricating bearing according to claim 1, wherein: the inner column (5) is a hollow cylinder.