CN220910242U - Oilless bearing with improved lubricating performance - Google Patents

Abstract

The utility model provides an oilless bearing with improved lubrication performance, comprising: the linear shaft is movably sleeved with a shaft sleeve, the outer circumferential wall surface of the shaft sleeve is provided with a plurality of lubrication holes, the inside of each lubrication hole is movably sleeved with a fixed lubricant, and one side of the shaft sleeve is fixedly provided with a mounting ring; the lubrication assembly is arranged in the shaft sleeve and used for increasing the lubrication performance of the oilless bearing, the connecting sleeve is arranged in the shaft sleeve, the rebound grooves are respectively corresponding to the lubrication hole positions, the spring continuously applies elastic force to the rebound blocks, the fixed lubricant is extruded to the outside of the shaft sleeve, when the fixed lubricant is used, the fixed lubricant is worn, the whole fixed lubricant is extruded to extend outwards, the fixed lubricant is always attached to the outside machinery, good lubrication effect is guaranteed, and the whole lubrication performance of the oilless bearing is increased.

Description

Oilless bearing with improved lubricating performance

Technical Field

The utility model relates to the field of oilless bearings, in particular to an oilless bearing with improved lubricating performance.

Background

The oil-free bearing is a novel lubrication bearing with the characteristics of a metal bearing and the characteristics of an oil-free lubrication bearing, the metal matrix bears load, and the solid lubrication material with a special formula plays a lubrication role. The self-lubricating oil film is characterized by high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, and is especially suitable for heavy load, low speed, reciprocating or swinging and other occasions which are difficult to lubricate and form an oil film, and is also resistant to erosion and scouring of water flushing and other acid liquid.

For example, according to the Chinese patent with publication number CN217502296U, an oilless bearing with improved lubrication performance is provided, which aims to solve the problems that after the oilless bearing is used for a long time, the loss of lubricant occurs, the lubrication performance can be greatly reduced, leakage is easy to occur, normal use is influenced and frequent replacement is required; the key points of the technical scheme are as follows: the novel bearing comprises a bearing body, wherein a shaft shoulder is arranged at the bottom of the bearing body, a plurality of mounting round holes are formed in the shaft shoulder, an interface slot is further formed in the shaft shoulder, a plurality of lubricating holes are formed in the side part of the bearing body, solid lubricants are arranged in the lubricating holes, a lubricating layer is arranged in the bearing body, and a sealing groove for mounting a sealing ring is formed in the inner wall of the bottom of the bearing body. The lubricating layer is arranged in the bearing, so that the lubricating performance of the oilless bearing can be improved, and the loss in the use process can be reduced.

However, the above scheme still has the defects: the device is provided with the lubricating layer on the inside of bearing, can improve the lubricating property of oilless bearing, reduces the loss of solid lubricant in the use, but when this oilless bearing was used on the straight line axle, because only carry out reciprocating motion, lose centrifugal force for solid lubricant behind friction loss, the remaining solid lubricant in the lubrication hole had not to extend to supplement, and this just led to lubrication effect to be poorer and worse.

Disclosure of utility model

The present utility model is directed to an oilless bearing with improved lubrication performance, which overcomes or at least partially solves the above problems, to solve the problem that the device is provided with a lubrication layer on the inside of the bearing, which can improve the lubrication performance of the oilless bearing and reduce the loss of the solid lubricant during use, but when the oilless bearing is used on a linear shaft, since only reciprocating motion is performed, centrifugal force is lost, so that the solid lubricant is not supplemented by the residual solid lubricant in a lubrication hole after friction loss, which results in an increasingly poor lubrication effect.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

The utility model provides an oilless bearing with improved lubrication performance, comprising: the linear shaft is movably sleeved with a shaft sleeve, the outer circumferential wall surface of the shaft sleeve is provided with a plurality of lubrication holes, the inside of each lubrication hole is movably sleeved with a fixed lubricant, and one side of the shaft sleeve is fixedly provided with a mounting ring; and the lubricating assembly is arranged in the shaft sleeve and used for increasing the lubricating performance of the oilless bearing.

Through adopting above-mentioned technical scheme, through setting up lubricated subassembly, can increase oilless bearing's lubricating property through the axle sleeve.

As a further aspect of the present utility model, the lubrication assembly includes: the connecting sleeve is fixedly sleeved on the inner circular wall surface of the shaft sleeve, a plurality of rebound grooves are formed in the outer circular wall surface of the connecting sleeve, the rebound grooves correspond to the lubricating holes in position, springs are fixedly mounted on the inner bottom surfaces of the rebound grooves, and rebound blocks are fixedly mounted at one ends of the springs.

Through adopting above-mentioned technical scheme, through setting up the axle sleeve, through setting up the adapter sleeve in the inside of axle sleeve, and make the resilience groove correspond with the lubrication hole position respectively, make the spring constantly exert elasticity to the resilience piece, thereby extrude the outside of fixed lubricant to the axle sleeve, thereby make the fixed lubricant when using, the fixed lubricant receives the loss, the fixed lubricant wholly receives the extrusion and will outwards extend, guarantee fixed lubricant and outside machinery laminating all the time, thereby guarantee good lubrication effect, increase oilless bearing's whole lubricating property.

As a further scheme of the utility model, a fixing ring is fixedly sleeved on the outer circular wall surface of the linear shaft, a plurality of fixing holes are formed in one side of the fixing ring, a plurality of threaded holes are formed in one side of the mounting ring, bolts are movably sleeved in the fixing holes, and one ends of the bolts penetrate through the fixing holes and are in threaded connection with the threaded holes.

Through adopting above-mentioned technical scheme, through setting up the bolt, pass fixed orifices and screw hole threaded connection through the one end of bolt to fixed oilless bearing and sharp axle.

As a further scheme of the utility model, limiting rings are fixedly sleeved on the outer circular wall surfaces of the plurality of rebound blocks.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, can prevent through the spacing ring that the rebound piece from coming out from the inside in rebound groove.

As a further scheme of the utility model, sealing plugs are fixedly arranged on the top surfaces of the plurality of rebound blocks, and the sealing plugs are in interference fit connection with the rebound grooves.

Through adopting above-mentioned technical scheme, through setting up the sealing plug, be connected through sealing plug and resilience groove interference fit, guarantee that fixed lubricant can not receive the rebound piece and have the clearance and take place the loss with the lubrication hole when being pushed by the removal.

As a further scheme of the utility model, the inner circular wall surface of the connecting sleeve is fixedly sleeved with a rubber sleeve, and the rubber sleeve is in interference fit connection with the linear shaft.

Through adopting above-mentioned technical scheme, through setting up the rubber sleeve, be connected through rubber sleeve and sharp axle interference fit for oilless bearing and the inseparabler installation of sharp axle are in the same place.

The utility model provides an oilless bearing with improved lubricating performance, which has the beneficial effects that:

Through setting up the axle sleeve, through setting up the adapter sleeve in the inside of axle sleeve, and make the resilience groove correspond with the lubrication hole site respectively, make the spring constantly apply elasticity to the resilience piece, thereby extrude the outside of fixed lubricant to the axle sleeve, thereby make the fixed lubricant receive the loss when using, the fixed lubricant wholly receive the extrusion and outwards extend, guarantee that fixed lubricant is laminated with outside machinery all the time, thereby guarantee good lubrication effect, increase oilless bearing's whole lubricating property.

Through setting up the bolt, pass fixed orifices and screw hole threaded connection through the one end of bolt to fixed oilless bearing and sharp axle, through setting up the spacing ring, can prevent through the spacing ring that the rebound piece from coming out from the inside in rebound groove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model;

Fig. 2 is a schematic diagram of a split structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a lubrication hole according to an embodiment of the present utility model;

Fig. 4 is a schematic view of a partial enlarged structure of a in fig. 3.

In the figure: 1. a linear shaft; 2. a shaft sleeve; 3. a lubrication hole; 4. fixing the lubricant; 5. a mounting ring; 6. connecting sleeves; 7. a rebound groove; 8. a spring; 9. a rebound block; 10. a fixing ring; 11. a fixing hole; 12. a threaded hole; 13. a bolt; 14. a limiting ring; 15. a sealing plug; 16. a rubber sleeve.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an oilless bearing with improved lubrication performance provided by an embodiment of the present utility model includes: the linear shaft 1, the outer circular wall face movable sleeve of linear shaft 1 is equipped with axle sleeve 2, a plurality of lubrication hole 3 has been seted up to the outer circular wall face of axle sleeve 2, the inside movable sleeve of lubrication hole 3 is equipped with fixed lubricant 4, fixed lubricant 4 is for having the structure and does not make the description here, one side fixedly connected with collar 5 of axle sleeve 2, the inside of axle sleeve 2 is provided with lubricated subassembly for increase oilless bearing's lubricating property, the outer circular wall face fixed sleeve of linear shaft 1 is equipped with solid fixed ring 10, a plurality of fixed orifices 11 have been seted up to one side of solid fixed ring 10, a plurality of screw hole 12 has been seted up to one side of collar 5, screw hole 12 is for having the structure and does not make the description here, the inside movable sleeve of solid fixed hole 11 is equipped with bolt 13, bolt 13 is for having the structure and does not make the description here, gu fixed hole 11 and screw hole 12 threaded connection are passed to the one end of bolt 13, through setting up bolt 13, pass fixed hole 11 and screw hole 12 threaded connection through the one end of bolt 13, thereby it is fixed with linear shaft 1 to be oilless bearing.

Referring to fig. 1, 2, 3 and 4, the lubrication assembly includes a connecting sleeve 6, the connecting sleeve 6 is fixedly sleeved on an inner circular wall surface of the shaft sleeve 2, a plurality of rebound grooves 7 are formed on an outer circular wall surface of the connecting sleeve 6, the plurality of rebound grooves 7 respectively correspond to the plurality of lubrication holes 3, a spring 8 is fixedly connected to an inner bottom surface of the rebound grooves 7, the spring 8 is of an existing structure and is not described herein, a rebound block 9 is fixedly connected to one end of the spring 8, through the arrangement of the shaft sleeve 2, the connecting sleeve 6 is arranged in the shaft sleeve 2, and the rebound grooves 7 respectively correspond to the lubrication holes 3, so that the spring 8 continuously applies elasticity to the rebound block 9, thereby extruding the fixed lubricant 4 to the outside of the shaft sleeve 2, so that when the fixed lubricant 4 is used, the fixed lubricant 4 is worn, the whole fixed lubricant 4 is extruded and extends outwards, ensuring that the fixed lubricant 4 is always attached to an external machine, ensuring good lubrication effect, increasing the integral lubrication performance of the oilless bearing, fixing the outer circular wall surfaces of the rebound blocks 9, fixedly sleeved with limiting rings 14, fixedly connected with sealing plugs 15 on the top surfaces of the rebound blocks 9, and not being repeated in the prior structure, wherein the sealing plugs 15 are in interference fit connection with the rebound grooves 7, ensuring that the fixed lubricant 4 is not lost due to clearance between the rebound blocks 9 and the lubrication holes 3 when being pushed by movement by arranging the sealing plugs 15 through the interference fit connection of the sealing plugs 15, ensuring that the fixed lubricant 4 is not provided with rubber sleeves 16 on the inner circular wall surface of the connecting sleeve 6, the rubber sleeves 16 are not repeated in the prior structure, the rubber sleeves 16 are in interference fit connection with the linear shaft 1 through the arrangement of the rubber sleeves 16, and the interference fit connection with the linear shaft 1 through the rubber sleeves 16, so that the oilless bearing is more closely mounted with the linear shaft 1.

Working principle: referring to fig. 1-4, in use, through setting up the axle sleeve 2, through setting up adapter sleeve 6 in the inside of axle sleeve 2, and make rebound groove 7 correspond with lubrication hole 3 position respectively, make spring 8 constantly exert elasticity to rebound piece 9, thereby extrude fixed lubricant 4 to the outside of axle sleeve 2, thereby make fixed lubricant 4 when using, fixed lubricant 4 receives the loss, fixed lubricant 4 whole receives the extrusion and will outwards extend, guarantee fixed lubricant 4 and always laminate with outside machinery, pass fixed hole 11 and threaded hole 12 threaded connection through one end of bolt 13, thereby fixed oilless bearing and sharp axle 1, can prevent rebound piece 9 from coming out from rebound groove 7's inside through spacing ring 14, be connected with rebound groove 7 interference fit through sealing plug 15, guarantee that fixed lubricant 4 can not receive rebound piece 9 and lubrication hole 3 existence clearance and loss when being pushed by the removal, be connected with sharp axle 1 interference fit through rubber sleeve 16, make oilless bearing and the more closely be in the same place of straight line axle 1.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (6)

1. An oilless bearing with enhanced lubrication properties, comprising:

the linear shaft (1), the outer circular wall surface of the linear shaft (1) is movably sleeved with a shaft sleeve (2), the outer circular wall surface of the shaft sleeve (2) is provided with a plurality of lubrication holes (3), the inside of the lubrication holes (3) is movably sleeved with a fixed lubricant (4), and one side of the shaft sleeve (2) is fixedly provided with a mounting ring (5);

And the lubricating assembly is arranged in the shaft sleeve (2) and used for increasing the lubricating performance of the oilless bearing.

2. An oilless bearing with enhanced lubrication performance according to claim 1, wherein said lubrication assembly comprises:

the connecting sleeve (6), the fixed cover of connecting sleeve (6) is established the interior circular wall of axle sleeve (2), a plurality of resilience groove (7) have been seted up to the outer circular wall of connecting sleeve (6), a plurality of resilience groove (7) respectively with a plurality of lubricated hole (3) position is corresponding, the inside bottom surface fixed mounting in resilience groove (7) has spring (8), the one end fixed mounting of spring (8) has resilience piece (9).

3. The oilless bearing with the lubrication performance improving function according to claim 1, wherein a fixing ring (10) is fixedly sleeved on the outer circular wall surface of the linear shaft (1), a plurality of fixing holes (11) are formed in one side of the fixing ring (10), a plurality of threaded holes (12) are formed in one side of the mounting ring (5), a bolt (13) is movably sleeved in the fixing holes (11), and one end of the bolt (13) penetrates through the fixing holes (11) to be in threaded connection with the threaded holes (12).

4. An oilless bearing with improved lubrication performance according to claim 2, wherein the outer circumferential wall surfaces of a plurality of rebound blocks (9) are fixedly sleeved with limiting rings (14).

5. An oilless bearing with improved lubrication performance according to claim 2, wherein sealing plugs (15) are fixedly mounted on the top surfaces of the plurality of rebound blocks (9), and the sealing plugs (15) are in interference fit connection with the rebound grooves (7).

6. Oilless bearing with improved lubrication performance according to claim 2, characterized in that the inner circular wall surface of the connecting sleeve (6) is fixedly sleeved with a rubber sleeve (16), and the rubber sleeve (16) is connected with the linear shaft (1) in an interference fit manner.