CN217481760U

CN217481760U - Oilless bearing with wear-resisting function

Info

Publication number: CN217481760U
Application number: CN202122993056.XU
Authority: CN
Inventors: 戴星月
Original assignee: Huayi Bearing Technology Jiangsu Co ltd
Current assignee: Huayi Bearing Technology Jiangsu Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-09-23
Anticipated expiration: 2031-12-01

Abstract

The utility model belongs to the technical field of oilless bearing, a oilless bearing with wear-resisting function is disclosed. This oilless bearing with wear-resisting function, including the bearing housing, the inside swing joint of bearing housing has the bearing, the front and the back of bearing all are provided with the turn-ups, the top in the bearing housing outside is provided with air inlet mechanism, the bearing is provided with the orifice, the inside of bearing housing is provided with lubricating mechanism. This oilless bearing with wear-resisting function utilizes the cooperation of intake pipe, outlet duct and the exhaust hole that the mechanism set up of admitting air to use. Can change the damage that friction brought between bearing housing and the bearing with lubricated gas transmission through intake pipe and outlet duct, the exhaust hole that sets up simultaneously can discharge unnecessary lubricated gas, prevents a series of negative effects that inside gas pressure intensity too big arouses.

Description

Oilless bearing with wear-resisting function

Technical Field

The utility model relates to an oilless bearing's technical field specifically is an oilless bearing with wear-resisting function.

Background

The oilless bearing is a novel lubricated bearing with the characteristics of both a metal bearing and an oilless lubricated bearing, a metal matrix bears load, and a solid lubricating material with a special formula plays a lubricating role. The oil film has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, is particularly suitable for occasions which are difficult to lubricate and form an oil film, such as heavy load, low speed, reciprocation or swing and the like, and is not afraid of water flushing and erosion and scouring of other acid liquor. Most of bearings are lubricated in order to guarantee that bearing work is steady, reliable, have mostly added lubricating oil, and the purpose reduces the inside friction of bearing and wearing and tearing, prevents to burn to glue: the fatigue life of the bearing is prolonged; discharging frictional heat or heat transferred from the outside; meanwhile, the oil film also has certain vibration absorption capacity. However, the biggest disadvantage of adding lubricating oil is that good sealing performance is required, otherwise leakage occurs, and some special requirements on equipment do not allow the leakage of the lubricating oil, so that other lubricating materials are used for replacing the lubricating oil, and the oil-free bearing is invented, so that the advantages of the bearing containing the lubricating oil are achieved, and environmental pollution caused by leakage is avoided.

Current oilless bearing when using can lead to wearing and tearing excessively to lead to oilless bearing to break out limit or cracked condition to take place because being in high pressure environment for a long time, has shortened oilless bearing's life greatly and has brought inconvenience for the user, and oilless bearing is difficult to add lubricating material when using simultaneously and also can lead to long-term use oilless bearing's frictional force increase, brings the damage for oilless bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an invention aim at provides a oilless bearing with wear-resisting function, this oilless bearing with wear-resisting function has effectually solved current oilless bearing when using, can be because be in for a long time in the high-pressure environment lead to the fact the wearing and tearing excessively to lead to the oilless bearing to collapse limit or cracked condition to take place, the life who has shortened oilless bearing greatly brings inconvenience for the user, oilless bearing also can lead to long-term use oilless bearing's frictional force increase when using very difficult add lubricating material simultaneously, bring the problem of damage for oilless bearing.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a no oil bearing with wear-resisting function, includes the bearing housing, the inside swing joint of bearing housing has the bearing, the front and the back of bearing all are provided with the turn-ups, the top in the bearing housing outside is provided with air inlet mechanism, the bearing is provided with the orifice, the inside of bearing housing is provided with lubricating mechanism.

Through above-mentioned technical scheme, can be at oilless bearing through the better protection oilless bearing of lubricated mechanism in the use, avoid taking place because long-term the influence that leads to oilless bearing coefficient of friction to change and bring.

Preferably, the mechanism of admitting air includes intake pipe, connecting pipe, tube cap, outlet duct and exhaust hole, the last fixed surface of bearing housing is connected with the intake pipe, and the bottom of intake pipe extends to the inner wall of bearing housing, and the last fixed surface of intake pipe is connected with the connecting pipe, and the upper surface activity of connecting pipe has cup jointed the tube cap, and the bottom fixedly connected with outlet duct of intake pipe, the exhaust hole has been seted up to the bottom of bearing housing.

Through above-mentioned technical scheme, this application can send lubricating gas into oilless bearing's inside through intake pipe and outlet pipe transportation through the mechanism that admits air when using, changes coefficient of friction protection oilless bearing, prevents that the bearing from collapsing or cracked.

Preferably, lubricating mechanism includes spring, locating piece, slide rail, slider and solid lubricant cream, the one end of recess and recess inner bottom wall fixedly connected with spring is seted up to the inner wall of bearing housing, and the other end fixedly connected with locating piece of spring, the slide rail has been seted up to the bearing housing, and the slide rail setting is in the left and right sides of recess, and the inside sliding connection of slide rail has the slider, and slider fixed connection is in the left and right sides of locating piece, and the inner bottom wall activity of locating piece has cup jointed solid lubricant cream.

Through above-mentioned technical scheme, this application can let oilless bearing be in the state of automatic joining lubricant always through the setting of spring, locating piece and solid lubricating grease when using, makes it more wear-resisting.

Preferably, the outer surfaces of the bearing and the bearing sleeve are both sprayed with wear-resistant coatings, and the wear-resistant coatings can be made of KN6 nickel-chromium alloy and tungsten carbide alloy coatings.

Through above-mentioned technical scheme, this application can strengthen oilless bearing's coefficient of wear-resisting through wear-resistant coating's setting when using, makes it more wear-resisting, also can prolong oilless bearing's life simultaneously.

Preferably, the bottom of the air outlet pipe is provided with a plurality of through holes, and the air outlet pipe is arc-shaped corresponding to the bearing.

Through above-mentioned technical scheme, this application when using, the outlet duct sets up to the arc can let lubricated gas laminate oilless bearing more when the discharge, lets lubricated gaseous utilization ratio improve.

Preferably, the orifice is a special-shaped hole, and the orifice is tapered with the tapered end facing the inside of the bearing.

Through above-mentioned technical scheme, the setting of the heterotypic orifice that this application set up when using can let the orifice save more when the outside exhaust, avoids the direct outside of discharging of inside lubricating gas of straight-hole form through-hole.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. this oilless bearing with wear-resisting function utilizes the cooperation of intake pipe, outlet duct and the exhaust hole that the mechanism set up of admitting air to use. Can change the damage that friction brought between bearing housing and the bearing with lubricated gas transmission through intake pipe and outlet duct, the exhaust hole that sets up simultaneously can discharge unnecessary lubricated gas, prevents a series of negative effects that inside gas pressure intensity too big arouses.

2. This oilless bearing with wear-resisting function utilizes the cooperation of the spring that lubricated mechanism set up, locating piece and solid lubricating grease to use, can be in the bearing operation through the setting of spring and locating piece with the laminating of solid lubricating grease in the outside of bearing, let it add lubricating material all the time, the effectual bearing of preventing has prolonged the life of bearing because the bearing collapses or cracked simultaneously that the friction is too big to lead to.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 in accordance with the present invention;

fig. 5 is a cross-sectional view taken along line B-B of fig. 3 in accordance with the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention.

In the figure: 1 bearing sleeve, 2 bearings, 3 flanging, 4 air inlet mechanisms, 401 air inlet pipes, 402 connecting pipes, 403 pipe covers, 404 air outlet pipes, 405 air outlet holes, 5 throttling holes, 6 lubricating mechanisms, 601 springs, 602 positioning blocks, 603 sliding rails, 604 sliding blocks and 605 solid lubricating grease.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-6, the present invention provides a technical solution: an oil-free bearing with a wear-resisting function comprises a bearing sleeve 1, wherein a bearing 2 is movably connected inside the bearing sleeve 1, flanges 3 are arranged on the front surface and the back surface of the bearing 2, an air inlet mechanism 4 is arranged at the top end of the outer side of the bearing sleeve 1, a throttling hole 5 is arranged on the bearing 2, and a lubricating mechanism 6 is arranged inside the bearing sleeve 1;

referring to fig. 1-5, the air inlet mechanism 4 includes an air inlet pipe 401, a connecting pipe 402, a pipe cover 403, an air outlet pipe 404 and an air outlet hole 405, the upper surface of the bearing housing 1 is fixedly connected with the air inlet pipe 401, the bottom of the air inlet pipe 401 extends to the inner wall of the bearing housing 1, the upper surface of the air inlet pipe 401 is fixedly connected with the connecting pipe 402, the upper surface of the connecting pipe 402 is movably sleeved with the pipe cover 403, the bottom of the air inlet pipe 401 is fixedly connected with the air outlet pipe 404, the air outlet hole 405 is formed in the bottom of the bearing housing 1, and the air inlet pipe 401, the air outlet pipe 404 and the air outlet hole 405 arranged on the air inlet mechanism 4 are used in a matched mode. Can change the damage that friction brought to bearing 2 through the import pipe 401 with the gas outlet pipe 404 is carried the lubricated gas transmission into between bearing housing 1 and the bearing 2, the exhaust hole 405 that sets up simultaneously can be discharged unnecessary lubricated gas, prevents a series of negative effects that inside gas pressure intensity too big arouses.

Referring to fig. 4-6, the lubricating mechanism 6 includes a spring 601, a positioning block 602, a slide rail 603, a slider 604 and a solid lubricating grease 605, the inner wall of the bearing sleeve 1 is provided with a groove, the bottom wall of the groove is fixedly connected with one end of the spring 601, the other end of the spring 601 is fixedly connected with the positioning block 602, the bearing sleeve 1 is provided with a slide rail 603, the slide rails 603 are arranged at the left side and the right side of the groove, the slide blocks 604 are connected inside the slide rails 603 in a sliding way, the slide block 604 is fixedly connected with the left side and the right side of the positioning block 602, the inner bottom wall of the positioning block 602 is movably sleeved with the solid lubricating grease 605, by utilizing the matching use of the spring 601, the positioning block 602 and the solid lubricating grease 605 arranged in the lubricating mechanism 6, the solid lubricating grease 605 can be attached to the outer side of the bearing through the arrangement of the spring 601 and the positioning block 602 in the operation of the bearing 2, so that the lubricating material is added into the bearing all the time, the bearing 2 is effectively prevented from being broken or cracked due to overlarge friction, and the service life of the bearing 2 is prolonged.

Referring to fig. 1-5, wear-resistant coatings are sprayed on the outer surfaces of the bearing 2 and the bearing sleeve 1, the wear-resistant coatings can be made of KN6 nickel-chromium alloy and tungsten carbide alloy, and the coated wear-resistant coatings can enable the bearing to be more wear-resistant in use and prolong the service life of the bearing.

Referring to fig. 4-6, a plurality of through holes are formed in the bottom of the air outlet pipe 404, the air outlet pipe 404 is arc-shaped corresponding to the bearing 2, and the arc-shaped air outlet pipe 404 can be better attached to the bearing 2, so that the lubricating gas can be utilized to a greater extent, and waste is avoided.

Referring to fig. 4 to 5, the orifice 5 is provided as a profile hole, and the orifice 5 is provided in a tapered hole shape with a tapered head facing the inside of the bearing 2.

When the oil-free bearing with the wear-resisting function works, the pipe cover 403 is opened to convey lubricating gas into the air outlet pipe 404 through the connecting pipe 402 and the air inlet pipe 401, then the lubricating gas is injected between the bearing sleeve 1 and the bearing 2 through the air outlet pipe 404, the damage of friction to the bearing 2 is reduced, meanwhile, when the bearing 2 rotates, the solid lubricating grease 605 can be coated on the outer side of the bearing 2 through friction, the purpose of wear resistance is achieved, after the solid lubricating grease 605 is consumed, the spring 601 can compress inwards, the solid lubricating grease 605 is always attached to the outer side of the bearing 2, chips of the solid lubricating grease 605 can be brought into all corners of the bearing 2 through the lubricating gas through the air inlet mechanism 4, and all corners of the bearing 2 can be coated with the solid lubricating grease 605.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no oil bearing with wear-resisting function, includes bearing housing (1), its characterized in that: the bearing is characterized in that a bearing (2) is movably connected inside the bearing sleeve (1), flanges (3) are arranged on the front side and the back side of the bearing (2), an air inlet mechanism (4) is arranged at the top end of the outer side of the bearing sleeve (1), a throttling hole (5) is formed in the bearing (2), and a lubricating mechanism (6) is arranged inside the bearing sleeve (1).

2. The oil-free bearing with a wear-resisting function as claimed in claim 1, wherein: air inlet mechanism (4) are including intake pipe (401), connecting pipe (402), tube cap (403), outlet duct (404) and exhaust hole (405), the last fixed surface of bearing housing (1) is connected with intake pipe (401), and the bottom of intake pipe (401) extends to the inner wall of bearing housing (1), and the last fixed surface of intake pipe (401) is connected with connecting pipe (402), and tube cap (403) have been cup jointed in the upper surface activity of connecting pipe (402), and bottom fixedly connected with outlet duct (404) of intake pipe (401), exhaust hole (405) have been seted up to the bottom of bearing housing (1).

3. The oil-free bearing with a wear-resisting function as claimed in claim 2, wherein: lubricating mechanism (6) are including spring (601), locating piece (602), slide rail (603), slider (604) and solid lubricant cream (605), the one end of recess and recess inner bottom wall fixedly connected with spring (601) is seted up to the inner wall of bearing housing (1), the other end fixedly connected with locating piece (602) of spring (601), slide rail (603) have been seted up in bearing housing (1), and slide rail (603) set up the left and right sides at the recess, the inside sliding connection of slide rail (603) has slider (604), and slider (604) fixed connection is in the left and right sides of locating piece (602), solid lubricant cream (605) have been cup jointed in the inner bottom wall activity of locating piece (602).

4. The oil-free bearing with a wear-resisting function as claimed in claim 3, wherein: the outer surfaces of the bearing (2) and the bearing sleeve (1) are both sprayed with wear-resistant coatings, and the wear-resistant coatings can be made of KN6 nickel-chromium alloy and tungsten carbide alloy coatings.

5. The oil-free bearing with a wear-resisting function as claimed in claim 4, wherein: the bottom of the air outlet pipe (404) is provided with a plurality of through holes, and the air outlet pipe (404) is arc-shaped corresponding to the bearing (2).

6. The oil-free bearing with a wear-resisting function as claimed in claim 5, wherein: the throttling hole (5) is a special-shaped hole, the throttling hole (5) is in a conical hole shape, and a conical head faces the inner side of the bearing (2).