CN220378728U - High heat conduction heat dissipation ceramic bearing - Google Patents

Abstract

The utility model discloses a high-heat-conductivity heat-dissipation ceramic bearing which comprises an outer shaft sleeve, an axle center and an inner shaft sleeve, wherein the outer shaft sleeve and the inner shaft sleeve are respectively provided with a supporting reinforcing structure and a heat dissipation structure, sealing rings are respectively arranged on two outer side surfaces between the outer shaft sleeve and the inner shaft sleeve, a first sealing structure is respectively arranged between each sealing ring and the outer shaft sleeve, and a second sealing structure is respectively arranged between each sealing ring and the inner shaft sleeve. The sealing structure I and the sealing structure II are respectively used for improving the sealing performance and the sealing effect between the outer shaft sleeve and the shaft center and between the inner shaft sleeve and the shaft center, and improving the dustproof and waterproof performance; the heat dissipation structure is used for playing a role in heat conduction and dissipation, so that the performance and the service life of the high-heat conduction and dissipation ceramic bearing are improved; through setting up supporting reinforcement structure and being used for improving the bulk strength of outer axle sleeve and interior axle sleeve, improve the anti deformation performance and the intensity of outer axle sleeve and interior axle sleeve, guarantee parallelism and life.

Description

High heat conduction heat dissipation ceramic bearing

Technical Field

The utility model relates to the technical field of ceramic bearings, in particular to a high-heat-conductivity heat-dissipation ceramic bearing.

Background

The bearing is an important part in modern mechanical equipment; the main functions of the device are to support the mechanical rotator, reduce the friction coefficient in the motion process and ensure the rotation precision; according to the difference of friction properties of the moving elements, the bearings can be divided into two main types, namely rolling bearings and sliding bearings, wherein the rolling bearings are standardized and serialized, but the existing bearing with the dustproof effect is inconvenient to mount and dismount balls and is unfavorable for heat dissipation, so that the bearing has a large limitation in the use process.

To solve the problems, the patent number of the utility model is: CN202223398130.4, it discloses a dustproof sliding ceramic bearing, including outer lane and inner circle, the outer lane is located the outside of inner circle, rotate between outer lane and the inner circle and be connected with a plurality of equidistant first balls, its annular separation blade bonds with outer lane and inner circle through inorganic high temperature glue, thereby it is dustproof to first ball, avoid the dust to increase the problem of the frictional force between first ball and outer lane and the inner circle, inorganic high temperature glue temperature resistant can reach 1800 ℃, ensure that this ceramic bearing rotates at a high speed and self-heating's under the condition is difficult for separating with outer lane and inner circle in the use, easy to assemble and dismantle annular separation blade simultaneously during artifical high temperature heating, and then be convenient for install and dismantle and change first ball, and conveniently utilize the annular separation blade between outer lane and the inner circle through two L-shaped grooves, be convenient for remove the heat dissipation in-process through setting up louvre and dustproof filter screen, but this ceramic bearing still has following problem: 1. the annular baffle plates are adhered to the outer ring and the inner ring through inorganic high-temperature glue, gaps are formed due to uneven smearing in the mode, the inorganic high-temperature glue is possibly aged due to the use time or environmental influence, and the connection sealing performance is influenced; 2. the existing ceramic bearing adopts a heat dissipation hole to dissipate heat, and the heat dissipation hole is easy to be blocked and blocked to influence the heat dissipation effect; 3. the brittleness characteristic of the existing ceramic bearing, when being stressed in an unbalanced manner, the two ends of the outer shaft sleeve or the two ends of the inner shaft sleeve incline, and the situation that one end face is stressed too much and broken is caused by the unsupported reinforcing structure, so that the service life of the ceramic bearing is influenced.

Therefore, it is necessary to provide a ceramic bearing with high heat conductivity and heat dissipation to solve the above technical problems.

Disclosure of Invention

The utility model provides a high-heat-conductivity heat-dissipation ceramic bearing aiming at the defects of the prior art.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

the utility model provides a high heat conduction heat dissipation ceramic bearing includes outer axle sleeve, axle center and interior axle sleeve, outer axle sleeve is established outside the interior axle sleeve, the axle center sets up between outer axle sleeve and the interior axle sleeve, outer axle sleeve and interior axle sleeve all are equipped with support additional strengthening and heat radiation structure, two lateral surfaces between outer axle sleeve and the interior axle sleeve all are equipped with the sealing washer, all be equipped with seal structure one between sealing washer and the outer axle sleeve, all be equipped with seal structure two between sealing washer and the interior axle sleeve.

The inner shaft sleeve is provided with an inner rolling groove, the inner rolling groove is arranged on the top surface of the inner shaft sleeve, the outer shaft sleeve is provided with an outer rolling groove, the outer rolling groove is arranged on the inner surface of the outer shaft sleeve, the shaft center comprises a holding support and a plurality of ceramic balls, the holding support is provided with a plurality of ball pockets, the ceramic balls are respectively arranged in the ball pockets, and the ceramic balls are arranged between the inner rolling groove and the outer rolling groove.

The sealing structure is characterized by further improving, the sealing structure comprises a first step sealing groove, a first step protruding block, a first step buckling groove and a first step buckling block, the first step sealing groove is arranged on the outer side face of the outer shaft sleeve, the first step buckling groove is arranged on the inner surface of the outer shaft sleeve, the first step protruding block is arranged on the inner side face of the inner end of the outer surface of the sealing ring, the first step buckling block is arranged beside the inner side of the first step protruding block, the first step protruding block is connected with the first step sealing groove in a matched mode, and the first step buckling block is connected with the first step buckling groove in a matched mode.

The sealing structure is further improved, the sealing structure comprises a second step sealing groove, a second step protruding block, a second step buckling groove and a second step buckling block, the second step sealing groove is arranged on the outer side face of the inner shaft sleeve, the second step buckling groove is arranged on the outer surface of the inner shaft sleeve, the second step protruding block is arranged on the inner side face of the inner end of the inner surface of the sealing ring, the first step buckling block is arranged beside the outer side of the first step protruding block, the second step sealing groove is connected with the first step protruding block in a matched mode, and the second step buckling block is connected with the second step buckling groove in a matched mode.

The first step seal groove and the second step seal groove are annular step seal grooves, the annular step seal grooves comprise a first annular groove and a second annular groove, the diameter of the first annular groove is larger than that of the second annular groove, the first step lug and the second step lug are annular step lugs, the annular step lugs comprise a first annular lug and a second annular lug, the diameter of the first annular lug is larger than that of the second annular lug, the first annular lug is connected with the first annular groove in a matched mode, and the second annular lug is connected with the second annular groove in a matched mode.

The step buckling groove I and the step buckling groove II comprise an annular groove III and an annular buckling groove III, the annular groove III is respectively arranged on the outer edge of an inner ring of the outer shaft sleeve and the outer edge of an outer ring of the inner shaft sleeve, the annular buckling groove III is respectively arranged on the inner ring surface of the outer shaft sleeve and the outer ring surface of the inner shaft sleeve, the step buckling block I and the step buckling block II comprise an annular convex block III and a plurality of buckling hooks III, the annular convex block III is arranged between the step convex block I and the step convex block II, one of the annular convex blocks is larger than the other annular convex block III in diameter, the buckling hooks III are arranged on the side face of the annular convex block III in an annular array mode, the annular convex block III is respectively connected with the annular groove III in a matched mode, and the buckling hooks III are respectively connected with the annular convex block III in a buckled mode.

And the supporting and reinforcing structures comprise a plurality of reinforcing layers, the reinforcing layers are respectively arranged on the outer side surfaces of the two sides of the outer shaft sleeve and the outer side surfaces of the two sides of the inner shaft sleeve, and the reinforcing layers are formed by connecting a plurality of reinforcing frames.

The heat dissipation structure is further improved, the heat dissipation structure comprises a heat dissipation groove group and a plurality of heat conduction components, the outer shaft sleeve and the inner shaft sleeve are respectively provided with a plurality of cavities, the cavities are arranged in the outer shaft sleeve and the inner shaft sleeve in an annular array mode, the heat dissipation groove group is respectively arranged on the outer surface of the outer shaft sleeve and the inner surface of the inner shaft sleeve, and the heat conduction components comprise heat conduction silica gel and a silica gel heat dissipation layer.

And the silica gel heat dissipation layers are respectively arranged on the surfaces of the heat dissipation grooves and in the reinforcing frames.

And the heat-conducting silica gel is arranged in the cavity, the cavity comprises a first cavity, a second cavity, a third cavity and a fourth cavity, the heat-conducting silica gel is provided with a plurality of contact ends, the contact ends penetrate out of the ends of the first cavity, the second cavity, the third cavity and the fourth cavity, and the heat-conducting silica gel is respectively in contact connection with the silica gel heat dissipation layer.

Further improved, the reinforcing frame can be one of a round reinforcing frame and a hexagonal reinforcing frame, and the first cavity channel, the second cavity channel, the third cavity channel and the fourth cavity channel form a cross-shaped structure.

The utility model has the beneficial effects that: the first sealing structure and the second sealing structure are respectively used for improving the sealing performance and the sealing effect between the outer shaft sleeve and the shaft center and between the inner shaft sleeve and the shaft center, improving the dustproof performance and the waterproof performance, preventing aging caused by the use environment, ensuring the service performance and the service life of the high-heat-conductivity heat-dissipation ceramic bearing, and improving the assembly efficiency by arranging the first step buckling groove, the first step buckling block, the second step buckling groove and the second step buckling block so as to be convenient for quick installation and disassembly of the sealing ring; the heat-conducting and heat-radiating structure is used for playing a role in conducting heat and radiating, so that the heat-conducting and heat-radiating effect and efficiency of the high-heat-conducting and heat-radiating ceramic bearing during operation are improved, the situation that the axle center is deformed due to high temperature is prevented, the performance and the service life of the high-heat-conducting and heat-radiating ceramic bearing are improved, and the heat-conducting silica gel is used for improving the increase of the direct contact area between the axle center and the outside, so that heat generated during the movement of the axle center is quickly led out to the silica gel heat-radiating layer for radiating, the heat-conducting and heat-radiating effect and efficiency are improved, and the sealing performance is guaranteed; through setting up supporting reinforcement structure and being used for improving the bulk strength of outer axle sleeve and interior axle sleeve, improve the deformation resistance and the intensity of outer axle sleeve and interior axle sleeve, reduce the circumstances that leads to damaging because of the atress is uneven and take place, guarantee parallelism and life, and can alleviate the bulk weight of high heat conduction heat dissipation ceramic bearing for high heat conduction heat dissipation ceramic bearing is lighter.

The utility model will be further described with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a ceramic bearing with high heat conductivity and heat dissipation in the present embodiment;

fig. 2 is a schematic front view of a high thermal conductivity heat dissipation ceramic bearing according to the present embodiment;

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

fig. 4 is an enlarged schematic view of a in fig. 3.

Detailed Description

The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.

Referring to fig. 1-4, a high heat conduction and dissipation ceramic bearing 1 includes an outer shaft sleeve 2, an axle center 3 and an inner shaft sleeve 4, the outer shaft sleeve 2 is sleeved outside the inner shaft sleeve 4, the axle center 3 is arranged between the outer shaft sleeve 2 and the inner shaft sleeve 4, the outer shaft sleeve 2 and the inner shaft sleeve 4 are both provided with a supporting reinforcing structure 5 and a dissipation structure 6, two outer side surfaces between the outer shaft sleeve 2 and the inner shaft sleeve 4 are both provided with sealing rings 7, a first sealing structure 8 is arranged between the sealing rings 7 and the outer shaft sleeve 2, a second sealing structure 9 is arranged between the sealing rings 7 and the inner shaft sleeve 4, the sealing rings 7 are made of high temperature resistant plastic, the inner shaft sleeve 4 is provided with a mounting shaft hole, and the mounting shaft hole is used for mounting the bearing on a connecting shaft.

The inner shaft sleeve 4 is provided with an inner rolling groove 40, the inner rolling groove 40 is arranged on the top surface of the inner shaft sleeve 4, the outer shaft sleeve 2 is provided with an outer rolling groove 20, the outer rolling groove 20 is arranged on the inner surface of the outer shaft sleeve 2, the shaft center 3 comprises a holding bracket 30 and a plurality of ceramic balls 31, the holding bracket 30 is provided with a plurality of ball pockets, the ceramic balls 31 are respectively arranged in the ball pockets, the holding bracket 30 is used for guaranteeing the positions of the ceramic balls 31, the ceramic balls 31 are arranged between the inner rolling groove 40 and the outer rolling groove 20, and lubricating oil is respectively arranged between the inner rolling groove 40 and the outer rolling groove 20.

The first sealing structure 8 comprises a first step sealing groove 80, a first step protruding block 81, a first step buckling groove 82 and a first step buckling block 83, the first step sealing groove 80 is arranged on the outer side face of the outer shaft sleeve 2, the first step buckling groove 82 is arranged on the inner surface of the outer shaft sleeve 2, the first step protruding block 81 is arranged on the inner side face of the inner end of the outer surface of the sealing ring 7, the first step buckling block 83 is arranged beside the inner side of the first step protruding block 81, the first step protruding block 81 is connected with the first step sealing groove 80 in a matched mode, and the first step buckling block is connected with the first step buckling groove 82 in a matched mode.

The second sealing structure 9 comprises a second step sealing groove 90, a second step protruding block 91, a second step buckling groove 92 and a second step buckling block 93, the second step sealing groove 90 is arranged on the outer side face of the inner shaft sleeve 4, the second step buckling groove 92 is arranged on the outer surface of the inner shaft sleeve 4, the second step protruding block 91 is arranged on the inner side face of the inner end of the inner surface of the sealing ring 7, the first step buckling block 83 is arranged beside the first step protruding block 81, the second step sealing groove 90 is connected with the first step protruding block 81 in a matched manner, the second step buckling block 93 is connected with the second step buckling groove 92 in a matched manner, the first sealing structure 8 and the second sealing structure 9 are respectively used for improving the sealing performance and the sealing effect between the outer shaft sleeve 2 and the shaft center 3 and between the inner shaft sleeve 4 and the shaft center 3, aging caused by the use environment is avoided, so that the use performance and the service life of the high-heat-conducting ceramic bearing 1 are improved, and the quick assembly and disassembly of the sealing ring 93 are facilitated by arranging the first step buckling block 82 and the first step buckling block 83, the second step buckling groove 92 and the second step buckling block 92 are guaranteed.

The first step seal groove 80 and the second step seal groove 90 are annular step seal grooves, the annular step seal grooves comprise a first annular groove and a second annular groove, the diameter of the first annular groove is larger than that of the second annular groove, the first step lug 81 and the second step lug 91 are annular step lugs, the annular step lugs comprise a first annular lug and a second annular lug, the diameter of the first annular lug is larger than that of the second annular lug, the first annular lug is connected with the first annular groove in a matched mode, and the second annular lug is connected with the second annular groove in a matched mode.

The first step buckling groove 82 and the second step buckling groove 92 respectively comprise a third annular groove and a third annular buckling groove, the third annular groove is respectively arranged on the outer edge of the inner ring of the outer shaft sleeve 2 and the outer edge of the outer ring of the inner shaft sleeve 4, the third annular buckling groove is respectively arranged on the inner ring surface of the outer shaft sleeve 2 and the outer ring surface of the inner shaft sleeve 4, the first step buckling block 83 and the second step buckling block 93 respectively comprise a third annular convex block and a plurality of buckling hooks, the third annular convex block is arranged between the first step convex block 81 and the second step convex block 91, one of the third annular convex blocks is larger than the other third annular convex block, the third annular convex blocks are arranged on the side face of the third annular convex block in an annular array mode, the third annular convex blocks are respectively connected with the third annular grooves in a matched mode, the third buckling hooks are respectively connected with the third annular buckling grooves, and the third buckling hooks are made of high-temperature resistant plastic.

The supporting and reinforcing structure 5 comprises a plurality of reinforcing layers, the reinforcing layers are respectively arranged on the outer side surfaces of two sides of the outer shaft sleeve 2 and the outer side surfaces of two sides of the inner shaft sleeve 4, the reinforcing layers are formed by connecting a plurality of reinforcing frames 50, the supporting and reinforcing structure 5 is used for improving the overall strength of the outer shaft sleeve 2 and the inner shaft sleeve 4, improving the deformation resistance and strength of the outer shaft sleeve 2 and the inner shaft sleeve 4, reducing the occurrence of damage caused by uneven stress, ensuring the parallelism and the service life, and reducing the overall weight of the high heat conduction and heat dissipation ceramic bearing 1, so that the high heat conduction and heat dissipation ceramic bearing 1 is lighter.

The heat dissipation structure 6 comprises a heat dissipation groove set 60 and a plurality of heat conduction components 61, the outer sleeve 2 and the inner sleeve 4 are respectively provided with a plurality of cavities 11, the cavities 11 are arranged in the outer sleeve 2 and the inner sleeve 4 in an annular array mode, the heat dissipation groove set 60 is respectively arranged on the outer surface of the outer sleeve 2 and the inner surface of the inner sleeve 4, the heat conduction components 61 comprise heat conduction silica gel 610 and a silica gel heat dissipation layer 611, unidirectional heat conduction particles are filled in the heat conduction silica gel 610, so that the heat guiding singleness is guaranteed, the heat moves towards the direction of the silica gel heat dissipation layer 611, the heat dissipation performance is improved, the heat dissipation structure 6 is used for playing a role in heat conduction and dissipation, the heat conduction and dissipation effects and the heat dissipation efficiency when the high heat conduction and dissipation ceramic bearing 1 acts are improved, the deformation of the shaft center 3 caused by high temperature is prevented, and the performance and the service life of the high heat conduction and dissipation ceramic bearing 1 are improved.

The heat dissipation groove groups 60 comprise a plurality of heat dissipation grooves 600, the heat dissipation grooves 600 are distributed in an annular array manner, two side lines of the heat dissipation grooves 600 are respectively provided with inclined planes, the inclined planes are used for increasing heat dissipation areas, so that heat dissipation effects and efficiency are improved, the silica gel heat dissipation layer 611 is respectively arranged on the surface of the heat dissipation grooves 600 and in the reinforcing frame 50, the heat conduction silica gel 610 is arranged in the cavity 11, the cavity 11 comprises a first cavity, a second cavity, a third cavity and a fourth cavity, the heat conduction silica gel 610 is respectively provided with a plurality of contact ends, the reinforcing frame 50 can be one of the round reinforcing frame 50 or the hexagonal reinforcing frame 50, a plurality of contact ends are respectively penetrated out from the end parts of the first cavity, the second cavity, the third cavity and the fourth cavity, the heat dissipation grooves 600 and the reinforcing frame 50 are respectively communicated, the heat conduction silica gel 610 is respectively connected with the heat conduction layer 611, and the heat conduction silica gel is directly led out from the heat dissipation layer to the heat dissipation layer 3, and the heat dissipation effects are greatly improved, and the heat dissipation effects are greatly increased when the heat conduction silica gel is led out from the heat dissipation layer 610 to the outside by the axis 3.

The first sealing structure and the second sealing structure are respectively used for improving the sealing performance and the sealing effect between the outer shaft sleeve and the shaft center and between the inner shaft sleeve and the shaft center, improving the dustproof performance and the waterproof performance, preventing aging caused by the use environment, ensuring the service performance and the service life of the high-heat-conductivity heat-dissipation ceramic bearing, and improving the assembly efficiency by arranging the first step buckling groove, the first step buckling block, the second step buckling groove and the second step buckling block so as to be convenient for quick installation and disassembly of the sealing ring; the heat-conducting and heat-radiating structure is used for playing a role in conducting heat and radiating, so that the heat-conducting and heat-radiating effect and efficiency of the high-heat-conducting and heat-radiating ceramic bearing during operation are improved, the situation that the axle center is deformed due to high temperature is prevented, the performance and the service life of the high-heat-conducting and heat-radiating ceramic bearing are improved, and the heat-conducting silica gel is used for improving the increase of the direct contact area between the axle center and the outside, so that heat generated during the movement of the axle center is quickly led out to the silica gel heat-radiating layer for radiating, the heat-conducting and heat-radiating effect and efficiency are improved, and the sealing performance is guaranteed; through setting up supporting reinforcement structure and being used for improving the bulk strength of outer axle sleeve and interior axle sleeve, improve the deformation resistance and the intensity of outer axle sleeve and interior axle sleeve, reduce the circumstances that leads to damaging because of the atress is uneven and take place, guarantee parallelism and life, and can alleviate the bulk weight of high heat conduction heat dissipation ceramic bearing for high heat conduction heat dissipation ceramic bearing is lighter.

The present utility model is not limited to the above embodiments, and other ceramic bearings for high thermal conductivity and heat dissipation obtained by using the same or similar structures or devices as those of the above embodiments of the present utility model are all within the scope of the present utility model.

Claims (10)

1. The utility model provides a high heat conduction heat dissipation ceramic bearing which characterized in that: the ceramic bearing comprises an outer shaft sleeve, an axle center and an inner shaft sleeve, wherein the outer shaft sleeve is arranged outside the inner shaft sleeve, the axle center is arranged between the outer shaft sleeve and the inner shaft sleeve, the outer shaft sleeve and the inner shaft sleeve are both provided with a supporting reinforcing structure and a heat dissipation structure, two outer side surfaces between the outer shaft sleeve and the inner shaft sleeve are both provided with sealing rings, a first sealing structure is arranged between the sealing rings and the outer shaft sleeve, and a second sealing structure is arranged between the sealing rings and the inner shaft sleeve.

2. The high thermal conductivity heat sink ceramic bearing of claim 1, wherein: the inner shaft sleeve is provided with an inner rolling groove, the inner rolling groove is formed in the top surface of the inner shaft sleeve, the outer shaft sleeve is provided with an outer rolling groove, the outer rolling groove is formed in the inner surface of the outer shaft sleeve, the shaft center comprises a holding support and a plurality of ceramic balls, the holding support is provided with a plurality of ball pockets, the ceramic balls are respectively arranged in the ball pockets, and the ceramic balls are arranged between the inner rolling groove and the outer rolling groove.

3. The high thermal conductivity heat sink ceramic bearing of claim 2, wherein: the first sealing structure comprises a first step sealing groove, a first step protruding block, a first step buckling groove and a first step buckling block, the first step sealing groove is arranged on the outer side face of the outer shaft sleeve, the first step buckling groove is arranged on the inner surface of the outer shaft sleeve, the first step protruding block is arranged on the inner side face of the inner end of the outer surface of the sealing ring, the first step buckling block is arranged beside the inner side of the first step protruding block, the first step protruding block is connected with the first step sealing groove in a matched mode, and the first step buckling block is connected with the first step buckling groove in a matched mode.

4. A high thermal conductivity heat dissipating ceramic bearing according to claim 3, wherein: the second sealing structure comprises a second step sealing groove, a second step protruding block, a second step buckling groove and a second step buckling block, wherein the second step sealing groove is arranged on the outer side face of the inner shaft sleeve, the second step buckling groove is arranged on the outer surface of the inner shaft sleeve, the second step protruding block is arranged on the inner side face of the inner end of the inner surface of the sealing ring, the first step buckling block is arranged beside the outer side of the first step protruding block, the second step sealing groove is connected with the first step protruding block in a matched mode, and the second step buckling block is connected with the second step buckling groove in a matched mode.

5. The high thermal conductivity heat sink ceramic bearing of claim 4, wherein: the first step seal groove and the second step seal groove are annular step seal grooves, the annular step seal grooves comprise a first annular groove and a second annular groove, the diameter of the first annular groove is larger than that of the second annular groove, the first step lug and the second step lug are annular step lugs, the annular step lugs comprise a first annular lug and a second annular lug, the diameter of the first annular lug is larger than that of the second annular lug, the first annular lug is connected with the first annular groove in a matched mode, and the second annular lug is connected with the second annular groove in a matched mode.

6. The high thermal conductivity heat sink ceramic bearing of claim 5, wherein: the first step buckling groove and the second step buckling groove respectively comprise a third annular groove and a third annular buckling groove, the third annular groove is respectively arranged on the outer edge of the inner ring of the outer shaft sleeve and the outer edge of the outer ring of the inner shaft sleeve, the third annular buckling groove is respectively arranged on the inner ring surface of the outer shaft sleeve and the outer ring surface of the inner shaft sleeve, the first step buckling block and the second step buckling block respectively comprise a third annular convex block and a plurality of buckling hooks, the third annular convex block is arranged between the first step convex block and the second step convex block, one of the third annular convex blocks is larger than the other third annular convex block, the third buckling hooks are arranged on the side face of the third annular convex block in an annular array mode, the third annular convex block is respectively connected with the third annular groove in a matched mode, and the third buckling hooks are respectively connected with the third annular buckling grooves in a buckled mode.

7. The high thermal conductivity heat sink ceramic bearing of claim 6, wherein: the supporting and reinforcing structures comprise a plurality of reinforcing layers, the reinforcing layers are respectively arranged on the outer side surfaces of two sides of the outer shaft sleeve and the outer side surfaces of two sides of the inner shaft sleeve, and each reinforcing layer is composed of a plurality of reinforcing frames.

8. The high thermal conductivity heat sink ceramic bearing of claim 7, wherein: the heat radiation structure comprises a heat radiation groove group and a plurality of heat conduction components, wherein the outer shaft sleeve and the inner shaft sleeve are respectively provided with a plurality of channels, the channels are arranged in the outer shaft sleeve and the inner shaft sleeve in an annular array mode, the heat radiation groove group is respectively arranged on the outer surface of the outer shaft sleeve and the inner surface of the inner shaft sleeve, and the heat conduction components comprise heat conduction silica gel and a silica gel heat radiation layer.

9. The high thermal conductivity heat sink ceramic bearing of claim 8, wherein: the heat dissipation groove groups comprise a plurality of heat dissipation grooves, inclined planes are respectively arranged on two side lines of the plurality of heat dissipation grooves, and the silica gel heat dissipation layers are respectively arranged on the surfaces of the heat dissipation grooves and in the reinforcing frame;

the heat conduction silica gel sets up in the chamber says, the chamber says all including first chamber say, second chamber say, third chamber say and fourth chamber say, the heat conduction silica gel all is equipped with a plurality of contact ends, and is a plurality of the contact end is worn out by the tip of first chamber say, second chamber say, third chamber say and fourth chamber say, just the heat conduction silica gel respectively with silica gel heat dissipation layer contact is connected.

10. The high thermal conductivity heat sink ceramic bearing of claim 9, wherein: the reinforcing frame can be one of a round reinforcing frame and a hexagonal reinforcing frame, and the first cavity channel, the second cavity channel, the third cavity channel and the fourth cavity channel form a cross-shaped structure.