CN110671433A

CN110671433A - Bearing with heat dissipation and lubrication functions

Info

Publication number: CN110671433A
Application number: CN201910947481.XA
Authority: CN
Inventors: 华玉香
Original assignee: Nanjing Yinghe Valley Technology Co Ltd
Current assignee: CHANGSHAN XINLONG BEARING Co.,Ltd.
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-01-10
Anticipated expiration: 2039-10-08
Also published as: CN112283252A; CN110671433B

Abstract

The invention discloses a bearing with heat dissipation and lubrication functions, which comprises an outer ring, an inner ring and a retainer, wherein the retainer is connected with rolling bodies in an equidistant rotating manner, the length of the inner ring is greater than that of the outer ring, the inner ring is fixedly sleeved with an air compressing impeller, the bearing also comprises an air flow cover, the air compressing impeller is covered by the air flow cover and is fixed on the outer ring, the rolling bodies are provided with a first central hole and a plurality of dispersion holes, one side of the air flow cover, which is attached to the outer ring, is provided with a round hole, the first central hole is communicated with the round hole under the rotation of the retainer along with the inner ring, the air flow cover is also provided with an air inlet, a roller; the invention can realize the automatic heat dissipation function of the bearing, effectively control the temperature rise of the bearing, realize automatic lubrication, avoid manual addition of lubricating oil, has simple operation and high efficiency, is beneficial to prolonging the service life of the bearing and better protects the bearing.

Description

Bearing with heat dissipation and lubrication functions

Technical Field

The invention relates to a bearing with heat dissipation and lubrication functions.

Background

The bearing is an important part in modern industry and mainly comprises a bearing inner ring, a retainer, a bearing outer ring and rolling bodies arranged on the retainer. And the bearing is in the use, and self can produce a large amount of heats because of the friction, consequently need often add lubricating oil to the rolling element, cools down and lubricates the bearing, complex operation, and inefficiency has forgotten sometimes even and has added lubricating oil, and lead to the bearing to damage.

Disclosure of Invention

The invention aims to overcome the defects and provide a bearing with heat dissipation and lubrication functions.

In order to achieve the purpose, the invention adopts the following specific scheme:

the utility model provides a from bearing of taking heat dissipation and lubricating function, includes outer lane, inner circle and holder, the holder is located between inner circle and the outer lane, equidistant rotation is connected with a plurality of rolling element on the holder, the length of inner circle is greater than the outer lane, the inner wall and the outer wall of holder correspond respectively with inner circle and outer lane seal fit, fixed cover is equipped with the impeller of calming the anger on the free end portion of inner circle, still including the air current cover, the air current cover covers the impeller of calming the anger, fixes on the outer lane, the rolling element is equipped with first centre bore and a plurality of and first centre bore intercommunication and along the dispersion hole of radial direction, the holder is run through respectively at the both ends of first centre bore, the air current cover pastes one side of leaning on the outer lane and is equipped with the round hole, every first centre bore communicates with the round hole in proper order, and a roller coating lubricating unit rotating along with the rolling bodies is arranged between every two adjacent rolling bodies, two sides of the roller coating lubricating unit are respectively abutted against the rolling bodies, two ends of the roller coating lubricating unit are respectively connected to the retainer, and the roller coating lubricating unit is used for coating graphite on the rolling bodies.

Wherein, every the lubricated unit of roller coat all includes casing and coating roller, the both ends difference fixed connection of casing is on the holder, the coating roller activity inlays to be located in the casing, and its both ends rotate respectively and connect on the casing, the both sides of coating roller are equipped with graphite lubrication piece and cushion block respectively, graphite lubrication piece and cushion block all are located the casing, one side of graphite lubrication piece is equipped with the arc surface, and this arc surface pastes with the outer periphery of coating roller and leans on, graphite lubrication piece's opposite side pastes with cushion block and leans on, cushion block fixes on the casing.

And each coating roller is provided with a second central hole, two ends of each second central hole respectively penetrate through the shell and the retainer, and each second central hole is sequentially communicated with the circular hole under the rotation of the retainer along with the inner ring.

The two ends of each shell extend to form a hexagonal structure, and the two ends of each shell are connected to the retainer through the hexagonal structures.

The graphite lubricating ring is fixed between the elastic washer and the retainer.

Wherein, the air inlet is fixed with the filter screen.

The inner wall of the retainer is in sealing fit with the inner ring through an inner sealing ring, the outer wall of the retainer is in sealing fit with the outer ring through an outer sealing ring, and the inner sealing ring and the outer sealing ring are both embedded on the retainer.

The invention has the beneficial effects that: compared with the prior art, the roller coating lubricating device has the advantages that the air compressing impeller is sleeved on the inner ring, the first center hole penetrating through the retainer and the dispersing holes communicated with the first center hole are formed in the rolling bodies, so that air flow is formed under the condition that the inner ring rotates, heat generated by the rolling bodies due to friction is discharged, the automatic heat dissipation function of the bearing is achieved, the temperature rise of the bearing is effectively controlled, meanwhile, the roller coating lubricating unit is arranged between every two adjacent rolling bodies, graphite is automatically coated on the outer circumferential surfaces of the rolling bodies, the lubricating effect on the bearing is achieved, manual addition of lubricating oil is not needed, the operation is simple, the efficiency is high, the service life of the bearing is prolonged, and the bearing is protected better.

Drawings

FIG. 1 is a perspective view of a bearing provided by an embodiment of the present invention;

FIG. 2 is a bottom view of a bearing provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is an exploded schematic view of a bearing provided by an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the retainer, the rolling elements and the roller desublimation unit provided by the embodiment of the invention;

FIG. 7 is a schematic structural view of a rolling element provided in an embodiment of the present invention;

fig. 8 is a sectional view of a rolling element provided in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a roller coating lubrication unit provided in an embodiment of the present invention;

FIG. 10 is a cross-sectional view of a roll coating lubrication unit provided by an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a housing provided by an embodiment of the present invention;

FIG. 12 is a schematic structural view of an application roller provided in an embodiment of the present invention;

FIG. 13 is a schematic view of the structure of an airflow hood provided by an embodiment of the invention;

description of reference numerals: 1-an outer ring; 2-inner ring; 3-a cage; 4-rolling elements; 41-a first central hole; 42-discrete holes; 5-a compressed air impeller; 6-airflow hood; 61-round holes; 62-air inlet; 7-roller coating lubricating unit; 71-a housing; 72-a coating roller; 721-a second central hole; 73-graphite lubricating block; 74-a resilient pad; 8-graphite lubricating rings; 9-a resilient washer; 10-filtering the screen; 20-inner sealing ring; 30-outer sealing ring.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 13, the bearing with heat dissipation and lubrication functions in this embodiment includes an outer ring 1, an inner ring 2, and a retainer 3, where the retainer 3 is disposed between the inner ring 2 and the outer ring 1, the retainer 3 is connected with a plurality of rolling elements 4 at equal intervals, the length of the inner ring 2 is greater than that of the outer ring 1, an inner wall and an outer wall of the retainer 3 are respectively in sealing fit with the inner ring 2 and the outer ring 1, a pressure impeller 5 is fixedly sleeved on a free end portion of the inner ring 2, and the bearing further includes an airflow cover 6, the airflow cover 6 covers the pressure impeller 5 and is fixed on the outer ring 1, the rolling elements 4 are provided with a first central hole 41 and a plurality of dispersion holes 42 communicated with the first central hole 41 and along a radial direction, two ends of the first central hole 41 respectively penetrate through the retainer 3, one side of the airflow cover 6, which is close to the, each first central hole 41 is sequentially communicated with a circular hole 61 under the rotation of the retainer 3 along with the inner ring 2, the airflow cover 6 is further provided with an air inlet 62, a roller coating lubrication unit 7 rotating along with the rolling bodies 4 is arranged between every two adjacent rolling bodies 4, two sides of the roller coating lubrication unit 7 are respectively abutted against the rolling bodies 4, two ends of the roller coating lubrication unit 7 are respectively connected to the retainer 3, and the roller coating lubrication unit 7 is used for coating graphite on the rolling bodies 4. Specifically, the present embodiment provides the rolling elements 4 in 10 numbers, and the rolling elements 4 are provided with 15 dispersion holes 42 communicating with the first center hole 41.

The working mode of the embodiment is as follows: the bearing is matched and connected with an external rotating shaft through the inner ring 2, under the condition that the external rotating shaft rotates, the inner ring 2 rotates along with the external rotating shaft, the inner ring 2 drives the retainer 3, the rolling bodies 4 and the air compressing impeller 5 to rotate, each rolling body 4 rotates relative to the retainer 3 and generates a large amount of heat, so that the temperature of the bearing is increased, at the moment, after the air compressing impeller 5 rotates, air flow is generated through the air inlet 62, when the first central hole 41 of the rolling body 4 rotates to correspond to the circular hole 61 of the air flow cover 6, the air flow enters the first central hole 41 through the circular hole 61 and then flows out from the other end of the first central hole 41, and the dispersion holes 42 are communicated with the first central hole 41, therefore, the air flow can drive the air between the rolling body 4 and the retainer 3, the outer ring 1 and the inner ring 2 to flow, so that a large amount of heat is, the temperature rise is effectively controlled; and a roller coating lubrication unit 7 is arranged between two adjacent rolling bodies 4, and graphite is continuously coated on the outer circumferential surfaces of the rolling bodies 4 by the roller coating lubrication unit 7 along with the rotation of the rolling bodies 4, so that the bearing is lubricated.

In the embodiment, the inner ring 2 is sleeved with the air compressing impeller 5, the rolling bodies 4 are provided with the first center hole 41 penetrating through the retainer 3 and the dispersion holes 42 communicated with the first center hole 41, so that air flow is formed under the condition that the inner ring 2 rotates, heat generated by the rolling bodies 4 due to friction is discharged, the automatic heat dissipation function of the bearing is achieved, the temperature rise of the bearing is effectively controlled, meanwhile, the roller coating lubrication unit 7 is arranged between every two adjacent rolling bodies 4, graphite is automatically coated on the outer circumferential surfaces of the rolling bodies 4, the bearing is lubricated, manual lubricating oil adding is not needed, the operation is simple, the efficiency is high, the service life of the bearing is prolonged, and the bearing is protected better.

Of course, according to the present embodiment, other numbers of rolling elements 4 and dispersion holes 42 may be provided according to the actual application requirement, and a plurality of circular holes 61 may also be provided on the airflow cover 6, which is not described herein again.

Based on the above embodiment, as shown in fig. 9 to 12, each roller coating lubrication unit 7 includes a housing 71 and a coating roller 72, two ends of the housing 71 are respectively and fixedly connected to the holder 3, the coating roller 72 is movably embedded in the housing 71, and two ends of the coating roller are respectively and rotatably connected to the housing 71, two sides of the coating roller 72 are respectively provided with a graphite lubrication block 73 and an elastic cushion block 74, the graphite lubrication block 73 and the elastic cushion block 74 are both located in the housing 71, one side of the graphite lubrication block 73 is provided with an arc surface, the arc surface abuts against an outer circumferential surface of the coating roller 72, the other side of the graphite lubrication block 73 abuts against the elastic cushion block 74, and the elastic cushion block 74 is fixed on the housing 71; specifically, grooves arranged along the length direction of the coating roller 72 are distributed on the outer circumferential surface of the coating roller 72 at intervals, the outer circumferential surface of the coating roller 72 is in contact with the outer circumferential surface of the rolling bodies 4, the graphite lubricating block 73 is attached to the outer circumferential surface of the coating roller 72, the coating roller 72 scrapes off graphite on the graphite lubricating block 73 under the rotation of the coating roller 72, the outer circumferential surface of the coating roller 72 is stained with graphite and stored in the grooves, when the coating roller 72 is in contact with the rolling bodies 4, the outer circumferential surface of the rolling bodies 4 is stained with graphite, the circulation is repeated, the coating roller 72 continuously coats the graphite on the rolling bodies 4, so that the lubricating effect is achieved, and the elastic cushion blocks 74 are arranged, so that the graphite lubricating block 73 is always attached to the outer circumferential surface of the coating roller 72, and the supply of the graphite is guaranteed.

Based on the above embodiment, further, as shown in fig. 10 and 12, each of the coating rollers 72 is provided with a second central hole 721, both ends of the second central hole 721 respectively penetrate through the housing 71 and the holder 3, and each of the second central holes 721 is sequentially communicated with the circular hole 61 under the rotation of the holder 3 with the inner ring 2; so set up, do benefit to and discharge the heat that coating roller 72 produced because of the friction, further control the temperature rise of bearing.

Based on the above embodiment, further, as shown in fig. 11, two ends of each of the shells 71 extend with a hexagonal structure, and two ends of each of the shells 71 are connected to the holder 3 through the hexagonal structures; with the arrangement, circumferential movement of the housing 71 can be effectively prevented, and normal rotation of the rolling elements 4 is ensured.

Based on the above embodiment, as shown in fig. 4, a graphite lubricating ring 8 and an elastic washer 9 are respectively disposed at two ends of each rolling element 4, the elastic washer 9 is embedded on the rolling element 4, and the graphite lubricating ring 8 is fixed between the elastic washer 9 and the retainer 3; in this way, friction between both ends of the rolling element 4 and the cage 3 can be reduced to perform a lubricating function, and the elastic washer 9 is provided to ensure that the graphite lubricating ring 8 is always in an operating state.

Based on the above embodiment, further, as shown in fig. 1, 5 and 13, the air inlet 62 is fixed with the filter screen 10, and both ends of the filter screen 10 are fixed on the airflow hood 6, and may adopt welding, clamping and the like; therefore, the foreign matters can be effectively prevented from entering the bearing to influence the normal operation of the bearing.

Based on the above embodiment, further, as shown in fig. 2 to 5, the inner wall of the retainer 3 is in sealing fit with the inner ring 2 through the inner seal ring 20, the outer wall of the retainer 3 is in sealing fit with the outer ring 1 through the outer seal ring 30, the inner seal ring 20 and the outer seal ring 30 are both embedded on the retainer 3, so as to ensure airtightness, prevent graphite from flying around and prevent dust from entering the inside of the bearing, and ensure heat dissipation in the rolling element 4 because the air flow generated by the compressor impeller 5 flows out from the first center hole 41 or the second center hole 721.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. The utility model provides a from bearing of area heat dissipation and lubricating function, includes outer lane (1), include outer lane (1), inner circle (2) and holder (3), holder (3) are located between inner circle (2) and outer lane (1), it is connected with a plurality of rolling element (4) to wait interval rotation on holder (3), a serial communication port, the length of inner circle (2) is greater than outer lane (1), the inner wall and the outer wall of holder (3) correspond respectively with inner circle (2) and outer lane (1) sealed cooperation, fixed cover is equipped with compressed air impeller (5) on the free end portion of inner circle (2), still including air current cover (6), air current cover (6) cover compressed air impeller (5), fix on outer lane (1), rolling element (4) are equipped with first centre bore (41) and a plurality of and first centre bore (41) intercommunication and along the dispersion hole of radial direction (42) The utility model discloses a roller coating lubrication unit, including retainer (4), air flow cover (6), air inlet (62), adjacent two, first centre bore (41) are equipped with round hole (61) along with round hole (61) intercommunication under the rotation of inner circle (2) in proper order in retainer (3), air flow cover (6) still are equipped with air intake (62), adjacent two be equipped with between rolling element (4) along with rolling element (4) pivoted roller coating lubrication unit (7), the both sides of roller coating lubrication unit (7) support with rolling element (4) respectively and lean on, the both ends of roller coating lubrication unit (7) are connected respectively on retainer (3), roller coating lubrication unit (7) are used for coating graphite to rolling element (4).

2. The bearing with the function of self-heat dissipation and lubrication as recited in claim 1, wherein each roller coating lubrication unit (7) comprises a housing (71) and a coating roller (72), two ends of the shell (71) are respectively and fixedly connected on the retainer (3), the coating roller (72) is movably embedded in the shell (71) and two ends of the coating roller are respectively and rotatably connected on the shell (71), both sides of the coating roller (72) are respectively provided with a graphite lubricating block (73) and an elastic cushion block (74), the graphite lubricating block (73) and the elastic cushion block (74) are both positioned in the shell (71), one side of the graphite lubricating block (73) is provided with an arc surface, the arc surface is attached to the outer circumferential surface of the coating roller (72), the other side of the graphite lubricating block (73) is attached to an elastic cushion block (74), and the elastic cushion block (74) is fixed on the shell (71).

3. A bearing with heat radiation and lubrication functions as claimed in claim 2, wherein each coating roller (72) is provided with a second central hole (721), two ends of the second central hole (721) respectively penetrate through the housing (71) and the retainer (3), and each second central hole (721) is sequentially communicated with the circular hole (61) under the rotation of the retainer (3) along with the inner ring (2).

4. The bearing with the heat dissipation and lubrication functions as recited in claim 2, wherein the two ends of each housing (71) extend to form a hexagonal structure, and the two ends of each housing (71) are connected to the retainer (3) through the hexagonal structures.

5. The bearing with the heat dissipation and lubrication functions as recited in claim 1, wherein a graphite lubricating ring (8) and an elastic washer (9) are respectively arranged at two ends of each rolling body (4), the elastic washer (9) is embedded on the rolling bodies (4), and the graphite lubricating ring (8) is fixed between the elastic washer (9) and the retainer (3).

6. The bearing with the heat dissipation and lubrication functions as recited in claim 1, wherein the filter screen (10) is fixed to the air inlet (62).

7. The bearing with the heat dissipation and lubrication functions as claimed in claim 1, wherein the inner wall of the retainer (3) is in sealing fit with the inner ring (2) through an inner sealing ring (20), the outer wall of the retainer (3) is in sealing fit with the outer ring (1) through an outer sealing ring (30), and the inner sealing ring (20) and the outer sealing ring (30) are embedded in the retainer (3).

8. The bearing with the heat dissipation and lubrication functions as claimed in claim 1, wherein the inner wall of the retainer (3) is in sealing fit with the inner ring (2) through an inner sealing ring (20), the outer wall of the retainer (3) is in sealing fit with the outer ring (1) through an outer sealing ring (30), and the inner sealing ring (20) and the outer sealing ring (30) are embedded in the retainer (3).