CN216306500U

CN216306500U - Self-lubricating sliding bearing

Info

Publication number: CN216306500U
Application number: CN202123176650.6U
Authority: CN
Inventors: 林刚
Original assignee: Weihai Runhua Machinery Co ltd
Current assignee: Weihai Runhua Machinery Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-15
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to the technical field of sliding bearings, in particular to a self-lubricating sliding bearing which comprises an outer shell sleeve, wherein a limiting pipe is arranged on the inner wall of the outer shell sleeve, an inner lining pipe is arranged on the inner wall of the limiting pipe, a plurality of graphite plates are embedded on the outer wall of the inner lining pipe, an annular cavity is arranged on the outer wall of the inner lining pipe, a plurality of vent holes are formed in the inner wall of the inner lining pipe, a material passing hole is formed in the inner wall of the limiting pipe and communicated with the annular cavity, a transmission hole is formed in the top end of the material passing hole, a top cover is detachably connected to the top end of the outer shell sleeve, and a bottom plate is detachably connected to the bottom end of the outer shell sleeve.

Description

Self-lubricating sliding bearing

Technical Field

The utility model relates to the technical field of sliding bearings, in particular to a self-lubricating sliding bearing.

Background

The sliding bearing can be used for protecting the area between axle and the mounting hole, reduces the wearing and tearing between protection axle and the installation support piece, and the wide application is in mechanical device, and current some sliding bearings adopt the form of embedded graphite piece to increase the inoxidizing coating and reduce the wearing and tearing between sliding bearing and the part, but some parts are in the use, and the part landing is to the tiny debris of bearing department, can cause the wearing and tearing of installation department, influences the cooperation stability of junction.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the self-lubricating sliding bearing which has the advantages of better protective performance, reduction of the situation that sundries enter the joint and improvement of the use stability of the joint.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a self-lubricating sliding bearing, includes the outer shell, the inner wall of outer shell is provided with spacing pipe, the inner wall of spacing pipe is provided with interior bushing pipe, the outer wall of interior bushing pipe is inlayed and is had a plurality of graphite slabs, the outer wall of interior bushing pipe is provided with the toroidal cavity, a plurality of air vents have been seted up to the inner wall of interior bushing pipe, the inner wall of spacing pipe is provided with the material through hole, the material through hole with the toroidal cavity communicates with each other, the top in material through hole is provided with the transmission hole, the top releasable connection of outer shell has the top cap, the bottom releasable connection of outer shell has the bottom plate.

Preferably, the limiting pipe is in a cuboid shape, the outer circumferential wall of the lining pipe is fixedly connected with a plurality of limiting convex plates, and the inner wall of the limiting pipe is provided with a plurality of strip holes corresponding to the limiting convex plates.

Furthermore, transmission pipes are communicated with the transmission holes at the top ends of the lining pipes.

For the connection mode of the bottom plate and the outer shell, the top end of the outer shell is connected with the bottom end of the top cover through screws, and the top end of the bottom plate is connected with the bottom end of the outer shell through screws.

Furthermore, the top of shell cover is provided with the bulge loop, bulge loop and shell cover are the integration setting.

Preferably, the bottom end of the bottom plate is provided with a round angle.

Compared with the prior art, the utility model provides a self-lubricating sliding bearing, which has the following beneficial effects:

the self-lubricating sliding bearing passes through the inner lining pipe through the protective lining pipe of the outer casing sleeve, the shaft to be installed passes through the inner lining pipe, further improving the protection performance, and introducing gas, lubricating grease or lubricating liquid into the contact part of the lining pipe and the installed shaft through the transmission hole in the using process, further, the inner wall of the lining pipe is lubricated in the using process, the abrasion of the lining pipe is reduced, the position of the lining pipe is protected by the top cover and the bottom plate, the falling-off condition of the lining pipe is reduced, and the lining pipe can be replaced after long-term use, can be beneficial to the matching of the outer casing and the mounting position after long-term use in the long-term use process, replaces the direct replacement of the outer casing and the inner lining pipe, reduces the situation that the matching precision of the newly replaced outer casing and the mounting position is not good, the effect that the protectiveness is better, the situation that sundries enter the joint is reduced, and the use stability of the joint is improved is achieved.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view taken at C-C of FIG. 1 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken at D-D of FIG. 1 according to the present invention.

The symbols in the drawings illustrate that:

1. an outer shell; 2. a limiting pipe; 3. a liner tube; 4. a graphite plate; 5. a conveying pipe; 6. a top cover; 7. a convex ring; 8. a base plate; 9. a feed through hole; 10. a limiting convex plate; 11. an annular cavity; 12. and a discharge hole.

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.

Example (b):

referring to fig. 1-5, a self-lubricating sliding bearing comprises an outer shell 1, a limiting pipe 2 is arranged on the inner wall of the outer shell 1, an inner lining pipe 3 is arranged on the inner wall of the limiting pipe 2, a plurality of graphite plates 4 are embedded on the outer wall of the inner lining pipe 3, the limiting pipe 2 is in a cuboid shape, a plurality of limiting convex plates 10 are fixedly connected to the outer circumferential wall of the inner lining pipe 3, a plurality of strip holes corresponding to the limiting convex plates 10 are arranged on the inner wall of the limiting pipe 2, the deflection of the limiting pipe 2 and the inner lining pipe 3 in use is reduced through the shape of the cuboid, the position of the inner lining pipe 3 is further limited through the shape of the strip holes, the deflection of the relative positions of the inner lining pipe 3 and the limiting pipe 2 is reduced, a convex ring 7 is arranged at the top end of the outer shell 1, the convex ring 7 and the outer shell 1 are integrally arranged, and the convex ring 7 are integrally arranged, so that the installation can be effectively guaranteed, the position of the outer shell 1 and the use of a separate connection means are replaced, so that the relative offset between the convex ring 7 and the outer shell 1 is reduced.

The outer wall of interior bushing pipe 3 is provided with annular cavity 11, a plurality of discharge openings 12 have been seted up to interior bushing pipe 3's inner wall, spacing pipe 2's inner wall is provided with logical material hole 9, logical material hole 9 and annular cavity 11 communicate with each other, the top of logical material hole 9 is provided with the transmission hole, spacing pipe 2's top transmission hole department all communicates with transmission pipe 5, lead to the transmission thing through transmission pipe 5, be convenient for and the connecting pipe is connected, improve the convenience of transmission lubricator.

Outer jacket 1's top releasable connection has top cap 6, outer jacket 1's bottom releasable connection has bottom plate 8, and the top of outer jacket 1 and the bottom of top cap 6 pass through screwed connection, and screwed connection is passed through on bottom plate 8's top and outer jacket 1's bottom, and bottom plate 8's bottom is provided with the fillet, through the shape in fillet, is convenient for lead bottom plate 8, and then is convenient for bottom plate 8 to insert inside the mounting hole.

The detachable connection between the outer casing 1 and the top cover 6 and between the bottom plate 8 and the outer casing 1 can be effectively realized through the screw connection mode, the inner lining pipe 3 is protected through the outer casing 1, the installed shaft penetrates through the inner part of the inner lining pipe 3, the protection performance is further improved, the contact position of the inner lining pipe 3 and the installed shaft is led in through gas, lubricating grease or lubricating liquid through a transmission hole in the use process, the inner wall of the inner lining pipe 3 is lubricated in the use process, the abrasion condition of the inner lining pipe 3 is reduced, the position of the inner lining pipe 3 is protected through the top cover 6 and the bottom plate 8, the falling condition of the inner lining pipe 3 is reduced, after the long-term use, the inner lining pipe 3 is replaced, the long-term use matching of the outer casing 1 and the installation position in the long-term use process can be facilitated, the direct replacement of the outer casing 1 and the inner lining pipe 3 is replaced, and the situation that the matching precision of the newly replaced outer casing 1 and the installation position is not good is reduced, the effect that the protectiveness is better, the situation that sundries enter the joint is reduced, and the use stability of the joint is improved is achieved.

When the bearing is used, firstly, the installed shaft penetrates through the inner part of the lining pipe 3, so that the protection performance is improved, and gas, lubricating grease or lubricating liquid is introduced into the contact part of the lining pipe 3 and the installed shaft through the transmission hole during the use process, so that the inner wall of the lining pipe 3 is lubricated during the use process.

The gas, grease or lubricating fluid may be added by a delivery device such as an oil can and a gas pump.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Claims

1. A self-lubricating sliding bearing characterized in that: including outer shell (1), the inner wall of outer shell (1) is provided with spacing pipe (2), the inner wall of spacing pipe (2) is provided with interior bushing pipe (3), the outer wall of interior bushing pipe (3) is inlayed and is had a plurality of graphite slabs (4), the outer wall of interior bushing pipe (3) is provided with the toroidal cavity, a plurality of discharge openings have been seted up to the inner wall of interior bushing pipe (3), the inner wall of spacing pipe (2) is provided with logical material hole (9), logical material hole (9) with the toroidal cavity communicates with each other, the top of logical material hole (9) is provided with the transmission hole, the top releasable connection of outer shell (1) has top cap (6), the bottom releasable connection of outer shell (1) has bottom plate (8).

2. A self-lubricating plain bearing according to claim 1, wherein: the limiting pipe (2) is cuboid, a plurality of limiting convex plates (10) are fixedly connected to the outer circumferential wall of the lining pipe (3), and a plurality of strip holes corresponding to the limiting convex plates (10) are formed in the inner wall of the limiting pipe (2).

3. A self-lubricating plain bearing according to claim 2, wherein: and the transmission holes at the top end of the lining pipe (3) are communicated with transmission pipes (5).

4. A self-lubricating plain bearing according to claim 3, wherein: the top end of the outer shell (1) is connected with the bottom end of the top cover (6) through screws, and the top end of the bottom plate (8) is connected with the bottom end of the outer shell (1) through screws.

5. A self-lubricating slide bearing according to claim 4, wherein: the top of outer shell (1) is provided with bulge loop (7), bulge loop (7) and outer shell (1) are the integration setting.

6. A self-lubricating slide bearing according to claim 5, wherein: and the bottom end of the bottom plate (8) is provided with a round angle.