CN212429505U

CN212429505U - Self-lubricating bearing

Info

Publication number: CN212429505U
Application number: CN202021098170.5U
Authority: CN
Inventors: 杨忠林
Original assignee: Jiashan Huihong Bearing Co ltd
Current assignee: Jiashan Huihong Bearing Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-29
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a self-lubricating bearing, including axle sleeve and axostylus axostyle, the axle sleeve includes adapter sleeve and lower adapter sleeve, and goes up adapter sleeve and adapter sleeve down and be inside hollow cylindrical structure, it has a solid fixed ring to go up adapter sleeve upper end fixed mounting, and gu fixed ring, go up adapter sleeve and adapter sleeve down and be integrated into one piece structure, go up adapter sleeve and the equal annular array of the lower adapter sleeve and inlay fixed mounting and have a plurality of graphite piece, an annular has been seted up on the lower adapter sleeve upper portion and has been held the chamber, the axostylus axostyle includes the body of rod and the lower body of rod, and goes up the body of rod and the lower body of rod structure. A self-lubricating bearing, reasonable in design, simple structure can reduce the coefficient of friction between axostylus axostyle and the axle sleeve to hold the chamber through being provided with the annular, can store a certain amount of lubricating oil, realize the self-lubricating of bearing, improved the practicality greatly.

Description

Self-lubricating bearing

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to self-lubricating bearing.

Background

The bearing is a part used for determining the relative movement position of the rotating shaft and other parts and playing a role of supporting or guiding, is a light-weight part in modern mechanical equipment, and mainly has the function of supporting a mechanical rotating body so as to reduce the mechanical load friction coefficient of the equipment in the transmission process; most bearing does not all have the function of self-lubricating at present, after using a period, needs staff's manual interpolation lubrication groove, has increased staff's intensity of labour and work load to its coefficient of friction of present most of bearings is great, and lubricated effect is poor, so, we have provided a neotype self-lubricating bearing.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a self-lubricating bearing which can effectively solve the problems of the prior art.

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

the utility model provides a self-lubricating bearing, includes axle sleeve and axostylus axostyle, the axle sleeve includes adapter sleeve and lower adapter sleeve, and goes up adapter sleeve and lower adapter sleeve and be inside hollow cylindrical structure, go up adapter sleeve upper end fixed mounting and have a solid fixed ring, and gu fixed ring, go up adapter sleeve and lower adapter sleeve be the integrated into one piece structure, go up adapter sleeve and the equal annular array of lower adapter sleeve and inlay fixed mounting and have a plurality of graphite cake, adapter sleeve upper portion has been seted up an annular and has been held the chamber down, the axostylus axostyle includes the body of rod and the lower body of rod, and goes up the body of rod and the body of rod is.

Preferably, the diameter of the inner cavity of the lower connecting sleeve is the same as the diameter of the section of the lower rod body, the diameter of the inner cavity of the upper connecting sleeve is the same as the diameter of the section of the upper rod body, and the upper rod body and the lower rod body are respectively inserted and movably installed in the upper connecting sleeve and the lower connecting sleeve to movably install the shaft rod and the shaft sleeve together.

Preferably, the outer surfaces of the upper connecting sleeve and the lower connecting sleeve are provided with a plurality of internally and externally penetrating mounting grooves in an annular array mode, the graphite blocks are fixedly mounted in the mounting grooves in an embedded mode respectively, and the inner side end faces of the graphite blocks are tightly attached to the outer surface of the shaft rod.

Preferably, the upper annular array of the outer surface of the lower connecting sleeve is provided with four oil injection holes communicated with the inside of the annular accommodating cavity, and the inner walls of the four oil injection holes are respectively embedded, sealed and fixedly provided with an anticorrosive rubber pad.

Preferably, the part of the inner side of the upper end face of the lower connecting sleeve, which is located on the upper connecting sleeve, is provided with an annular groove which is penetrated from top to bottom, the annular groove is communicated with the inside of the annular accommodating cavity, an annular filter screen is embedded and fixedly installed in the annular groove, and the upper end of the annular filter screen is tightly attached to the outer side of the lower end face of the upper connecting sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through last adapter sleeve and the equal annular array in lower adapter sleeve surface set up the mounting groove of the inside and outside break-over of a plurality of, fixed mounting is inlayed in the mounting groove to the graphite piece, and graphite piece medial surface all hugs closely the axostylus axostyle surface, and the graphite piece can further reduce the coefficient of friction between axostylus axostyle and the axle sleeve to the lubricated effect of bearing has been improved.

2. An annular containing cavity is formed in the upper portion of the lower connecting sleeve body, a certain amount of lubricating oil can be stored, so that frequent addition of lubricating oil by workers is avoided, the labor capacity of the workers is reduced, an annular filter screen is fixedly installed by embedding in the annular groove, the upper end of the annular filter screen is tightly attached to the outer side of the lower end face of the upper connecting sleeve, the lubricating oil can be uniformly seeped out from the annular filter screen, and a good lubricating effect is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the shaft sleeve and the shaft lever of the self-lubricating bearing of the present invention;

fig. 2 is a cross-sectional view of a shaft sleeve of a self-lubricating bearing of the present invention;

fig. 3 is an enlarged view of a in fig. 2 of a self-lubricating bearing of the present invention;

fig. 4 is an assembly schematic diagram of the shaft rod and the shaft sleeve of the self-lubricating bearing of the present invention.

In the figure: 1. a shaft sleeve; 11. connecting sleeves are arranged; 12. a lower connecting sleeve; 2. a shaft lever; 21. a lower rod body; 22. a rod body is arranged; 3. a fixing ring; 4. graphite blocks; 41. mounting grooves; 5. an annular receiving cavity; 51. an oil filler hole; 52. an anticorrosive rubber pad; 53. an annular groove; 54. an annular filter screen.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a self-lubricating bearing, including axle sleeve 1 and axostylus axostyle 2, axle sleeve 1 includes adapter sleeve 11 and lower adapter sleeve 12, and go up adapter sleeve 11 and lower adapter sleeve 12 and be inside hollow cylindrical structure, go up adapter sleeve 11 upper end fixed mounting have a solid fixed ring 3, and gu fixed ring 3, go up adapter sleeve 11 and lower adapter sleeve 12 and be the integrated into one piece structure, the bulk strength is big, go up adapter sleeve 11 and lower adapter sleeve 12 cover equal annular array inlay fixed mounting have a plurality of graphite block 4, lower adapter sleeve 12 cover upper portion has been seted up an annular and has been held chamber 5, axostylus axostyle 2 includes the body of rod 22 and the lower body of rod 21, and go up the body of rod 22 and the lower body of rod 21 is.

The diameter of the inner cavity of the lower connecting sleeve 12 is the same as the diameter of the section of the lower rod body 21, the diameter of the inner cavity of the upper connecting sleeve 11 is the same as the diameter of the section of the upper rod body 22, the upper rod body 22 and the lower rod body 21 are respectively inserted and movably installed in the upper connecting sleeve 11 and the lower connecting sleeve 12 to movably install the shaft rod 2 and the shaft sleeve 1 together, so that the shaft rod 2 can conveniently rotate in the shaft sleeve 1 by taking the shaft rod 2 as an axis; the outer surfaces of the upper connecting sleeve 11 and the lower connecting sleeve 12 are respectively provided with a plurality of internally and externally penetrating mounting grooves 41 in an annular array mode, a plurality of graphite blocks 4 are respectively embedded and fixedly mounted in the mounting grooves 41, the end faces of the inner sides of the graphite blocks 4 are tightly attached to the outer surface of the shaft rod 2, and the graphite blocks 4 can further reduce the friction force between the shaft rod 2 and the shaft sleeve 1 except lubricating oil, so that the lubrication degree of the bearing is improved; four oil injection holes 51 communicated with the interior of the annular accommodating cavity 5 are formed in the upper annular array on the outer surface of the lower connecting sleeve 12, an anticorrosive rubber pad 52 is fixedly installed on the inner walls of the four oil injection holes 51 in an embedded and sealed mode, lubricating oil can be injected into the annular accommodating cavity 5 through the anticorrosive rubber pads 52 by an injector, and therefore the sufficient lubricating oil in the annular accommodating cavity 5 is guaranteed; the part of the inside of the upper end face of the lower connecting sleeve 12, which is located on the upper connecting sleeve 11, is provided with an annular groove 53 which is penetrated up and down, the annular groove 53 is communicated with the inside of the annular accommodating cavity 5, an annular filter screen 54 is embedded and fixedly installed in the annular groove 53, the upper end of the annular filter screen 54 is tightly attached to the outside of the lower end face of the upper connecting sleeve 11, and lubricating oil in the annular accommodating cavity 5 can be uniformly seeped through the annular filter screen 54, so that a good lubricating effect can be achieved, and the friction coefficient between the shaft rod 2 and the shaft sleeve 1.

It should be noted that the utility model is a self-lubricating bearing, which is formed by a plurality of internally and externally penetrating mounting grooves 41 arranged in an annular array on the outer surfaces of an upper connecting sleeve 11 and a lower connecting sleeve 12, and a graphite block 4 is fixedly embedded in each mounting groove 41, the end surfaces of the inner sides of the graphite blocks 4 are tightly attached to the outer surface of the shaft rod 2, the graphite blocks 4 can further reduce the friction coefficient between the shaft rod 2 and the shaft sleeve 1 besides the lubricating effect of lubricating oil, thereby improving the lubricating effect, and by arranging the oil injection hole 51 and the anti-corrosion rubber pad 52, lubricating oil can be injected into the annular accommodating cavity 5 by the injector penetrating the anti-corrosion rubber pad 52, thereby ensuring that the lubricating oil in the annular accommodating cavity 5 is sufficient, and the lubricating oil in the annular accommodating cavity 5 can be uniformly leaked outwards through the annular filter screen 54, so as to be distributed to the contact surface between the shaft rod 2 and the shaft sleeve 1, thereby achieving good lubricating effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A self-lubricating bearing, includes axle sleeve (1) and axostylus axostyle (2), its characterized in that: shaft sleeve (1) is including last adapter sleeve (11) and lower adapter sleeve (12), and goes up adapter sleeve (11) and lower adapter sleeve (12) and be inside hollow cylindrical structure, go up adapter sleeve (11) upper end fixed mounting have one solid fixed ring (3), and gu fixed ring (3), go up adapter sleeve (11) and lower adapter sleeve (12) and be the integrated into one piece structure, go up adapter sleeve (11) and lower adapter sleeve (12) cover body all annular array inlay fixed mounting have a plurality of graphite cake (4), adapter sleeve (12) cover body upper portion has been seted up an annular and has been held chamber (5) down, axostylus axostyle (2) are including the body of rod (22) and the body of rod (21) down, and go up the body of rod (22) and the body of rod (21) is the integrated into one piece structure down, axostylus axostyle (2.

2. A self-lubricating bearing according to claim 1, wherein: the inner cavity diameter of the lower connecting sleeve (12) is the same as the section diameter of the lower rod body (21), the inner cavity diameter of the upper connecting sleeve (11) is the same as the section diameter of the upper rod body (22), and the upper rod body (22) and the lower rod body (21) are respectively inserted and movably mounted in the upper connecting sleeve (11) and the lower connecting sleeve (12) to movably mount the shaft rod (2) and the shaft sleeve (1) together.

3. A self-lubricating bearing according to claim 1, wherein: go up adapter sleeve (11) and lower adapter sleeve (12) surface and all set up mounting groove (41) of the inside and outside break-over of a plurality of, a plurality of annular array inlay fixed mounting respectively in a plurality of mounting groove (41) graphite block (4), and graphite block (4) medial surface all hugs closely axostylus axostyle (2) surface.

4. A self-lubricating bearing according to claim 1, wherein: four oil filler holes (51) communicated with the inside of the annular accommodating cavity (5) are formed in the upper annular array of the outer surface of the lower connecting sleeve (12), and an anticorrosive rubber pad (52) is fixedly installed on the inner wall of each oil filler hole (51) in an embedded and sealed mode.

5. A self-lubricating bearing according to claim 1, wherein: the inside part that is located upper connecting sleeve (11) of lower connecting sleeve (12) up end sets up an annular groove (53) of upper and lower break-over, and annular groove (53) hold chamber (5) with the annular and inside communicate with each other, inlay the fixed annular filter screen (54) of installing in annular groove (53), and the terminal surface outside under upper connecting sleeve (11) is hugged closely to annular filter screen (54) upper end.