CN218971651U

CN218971651U - Needle bearing convenient for heat dissipation

Info

Publication number: CN218971651U
Application number: CN202221156723.7U
Authority: CN
Inventors: 邹科; 刘厚均; 查长江
Original assignee: Changzhou Shengbida Bearing Co ltd
Current assignee: Changzhou Shengbida Bearing Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2023-05-05
Anticipated expiration: 2032-05-13

Abstract

The utility model relates to the technical field of bearings, and provides a needle bearing convenient for heat dissipation, which has the advantages of convenient heat dissipation and simple structure, and comprises a bearing body, a plurality of needle rollers, wherein the needle rollers are arranged in the side wall of the bearing body, two hollow rotating shafts are arranged on the outer sides of the needle rollers, hollow rods are connected with the upper ends and the lower ends of the hollow rotating shafts in a rotating mode, supporting rings are connected with the upper ends and the lower ends of the hollow rods in a rotating mode, a plurality of guide pipes I are communicated with the outer side wall of each supporting ring, one side, far away from the hollow rotating shaft, of each guide pipe I is communicated with a guide pipe II, two ends of each guide pipe II are respectively provided with a liquid outlet mechanism and a liquid delivery mechanism, the liquid outlet mechanism and the liquid delivery mechanism are communicated with cooling fins, the upper ends and the lower ends of the cooling fins are fixedly connected with supporting circular plates, and liquid used for heat dissipation of the bearing body is arranged inside the guide pipes I, the guide pipes II, the guide pipes III, the hollow rotating shafts and the cooling fins.

Description

Needle bearing convenient for heat dissipation

Technical Field

The utility model relates to the technical field of bearings, in particular to a needle bearing convenient for heat dissipation.

Background

Needle bearings are known as roller bearings with cylindrical rollers, the rollers being thin and long relative to their diameter. Such rollers are known as needle rollers. In spite of the smaller cross section, the bearing has higher load bearing capacity, and the needle bearing is provided with thin and long rollers, so that the radial structure is compact, the inner diameter size and the load bearing capacity are the same as those of other types of bearings, the outer diameter is minimum, and the bearing is particularly suitable for supporting structures with limited radial installation size.

Through retrieval, the utility model patent with the Chinese patent application number of CN202121513902.7 discloses a needle bearing with a sealing mechanism, the needle bearing comprises an outer ring, an inner ring is arranged on the inner side of the outer ring, a movable cavity is arranged between the inner ring and the outer ring, a plurality of connecting rods are fixedly connected to two sides of the outer ring, and sliding blocks are fixedly connected to one ends of all the connecting rods, which are close to the inner ring, of the inner ring.

Although the prior art scheme realizes a closed function, the needle bearing can generate a large amount of heat during operation, and if the heat is not emitted in time, the normal operation of the needle bearing can be influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a needle bearing convenient for heat dissipation, so as to solve the problem that the needle bearing in the prior art provided in the background art can generate a large amount of heat during operation and can influence the normal operation of the needle bearing if not emitted in time.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bearing convenient to heat dissipation, includes the bearing body, still includes a plurality of kingpins, and is a plurality of the kingpin sets up in the lateral wall of bearing body, a plurality of the outside of kingpin all is provided with two hollow pivots, the upper and lower both ends of hollow pivot all rotate and are connected with hollow pole, and a plurality of through-holes have been seted up to the part that hollow pole stretched into hollow pivot the upper and lower both ends of hollow pole all rotate and are connected with the supporting ring, and the intercommunication has a plurality of pipe one on the lateral wall of supporting ring, and a plurality of one keep away from one side of hollow pivot all communicates there is pipe two, liquid outlet mechanism and infusion mechanism are installed respectively to pipe two's both ends, liquid outlet mechanism and infusion mechanism intercommunication have the fin, the upper and lower both ends of fin all fixedly connected with supports the plectane.

Preferably, the liquid outlet mechanism comprises a liquid outlet box, two sides of the liquid outlet box are communicated with one end of a second conduit, a first small motor is installed at the top of the liquid outlet box, an output end of the first small motor is rotationally connected with a blade, the blade is arranged in the liquid outlet box, one side of the liquid outlet box is communicated with one end of a third conduit, and the other end of the third conduit is communicated with the inner wall of the radiating fin.

Further, the infusion mechanism comprises an infusion box, one end of a second conduit is communicated with two sides of the infusion box, a second small motor is installed at the top of the infusion box, the output end of the second small motor is rotationally connected with a paddle, the paddle is arranged inside the infusion box, one end of a third conduit is communicated with one side of the infusion box, and the other end of the third conduit is communicated with the inner wall of the radiating fin.

Still further, liquid outlet mechanism and transfusion system set up along bearing body centre of a circle symmetry.

As a further proposal of the proposal, the radiating fin is in a ring-shaped structure.

As a still further proposal of the proposal, the first conduit, the second conduit and the third conduit are all made of steel materials.

On the basis of the scheme, the inner side wall of the supporting circular plate is flush with the inner wall of the bearing body.

On the basis of the scheme, the outer wall of the hollow rotating shaft and the outer wall of the needle roller are mutually attached.

(III) beneficial effects

Compared with the prior art, the needle bearing convenient for heat dissipation provided by the utility model has the following beneficial effects:

according to the needle roller bearing, the hollow rotating shaft is arranged on the outer wall of the needle roller, the hollow rotating shaft is driven to rotate when the needle roller rotates, heat is conducted to the hollow rotating shaft by the needle roller, meanwhile, the liquid for heat dissipation of the bearing body brings heat into the hollow tube through the through hole on the hollow rod under the action of the infusion mechanism, the liquid is conveyed into the conduit II through the conduit I, and the liquid with heat is conveyed into the radiating fin through the liquid outlet mechanism for heat dissipation, so that the needle roller bearing convenient for heat dissipation has the advantages of being convenient for heat dissipation and simple in structure.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic perspective view of the hollow shaft, support ring, cooling fin, etc. of the present utility model;

FIG. 3 is a schematic perspective view of the first, second, third, etc. ducts according to the present utility model;

fig. 4 is a schematic perspective view of the hollow rod, support ring, etc. of the present utility model.

In the figure: 1. a bearing body; 2. needle roller; 3. a hollow rotating shaft; 4. a hollow rod; 5. a support ring; 6. a first conduit; 7. a second conduit; 8. a heat sink; 9. supporting a circular plate; 10. a liquid outlet box; 11. a small motor I; 12. a paddle; 13. a third conduit; 14. an infusion box; 15. and a small motor II.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, a needle bearing convenient for heat dissipation comprises a bearing body 1, and further comprises a plurality of needle rollers 2, wherein the needle rollers 2 are arranged in the side wall of the bearing body 1, two hollow rotating shafts 3 are respectively arranged on the outer sides of the needle rollers 2, the outer walls of the hollow rotating shafts 3 and the outer walls of the needle rollers 2 are mutually attached, the hollow rotating shafts 3 are driven to rotate while the needle rollers 2 rotate, better heat transmission is carried out on the hollow rotating shafts 3, the upper end and the lower end of the hollow rotating shafts 3 are respectively and rotatably connected with a hollow rod 4, the parts of the hollow rods 4 extending into the hollow rotating shafts 3 are respectively provided with a plurality of through hole hollow rods 4, the upper end and the lower end of the hollow rod 4 are respectively and rotatably connected with a supporting ring 5, a plurality of first guide pipes 6 are communicated with one side of the first guide pipes 6, which is far away from the hollow rotating shafts 3, two ends of the guide pipes 7 are respectively provided with a liquid outlet mechanism and a transfusion mechanism, the liquid outlet mechanism comprises a liquid outlet box 10, two sides of the liquid outlet box 10 are communicated with one end of a second conduit 7, a first small motor 11 is arranged at the top of the liquid outlet box 10, the output end of the first small motor 11 is rotationally connected with a blade 12, the blade 12 is arranged in the liquid outlet box 10, one side of the liquid outlet box 10 is communicated with one end of a third conduit 13, the other end of the third conduit 13 is communicated with the inner wall of a radiating fin 8, the first small motor 11 drives the blade 12 to rotate, liquid for radiating the bearing body 1 is output into the radiating fin 8 for radiating, the transfusion mechanism comprises a transfusion box 14, two sides of the transfusion box 14 are communicated with one end of the second conduit 7, a second small motor 15 is arranged at the top of the transfusion box 14, the output end of the second small motor 15 is rotationally connected with the blade 12, the blade 12 is arranged in the transfusion box 14, one side of the transfusion box 14 is communicated with one end of the third conduit 13, the other end of the conduit III 13 is communicated with the inner wall of the cooling fin 8, the paddle 12 is driven by the small motor II 15 to rotate, liquid for cooling the bearing body 1 is conveyed into the conduit II 7 and then cooled down the bearing body 1, the liquid outlet mechanism and the liquid delivery mechanism are symmetrically arranged along the circle center of the bearing body 1, the liquid for cooling the bearing body 1 is conveniently and fully flows around the bearing body 1 through the symmetrical arrangement, the liquid outlet mechanism and the liquid delivery mechanism are communicated with the cooling fin 8, the cooling fin 8 is in an annular structure, the conduit I6, the conduit II 7, the conduit III 13, the hollow rotating shaft 3, the hollow rod 4 and the cooling fin 8 are respectively provided with a round liquid structure for cooling the bearing body 1, which is beneficial to cooling, the upper end and the lower end of the cooling fin 8 are fixedly connected with a supporting circular plate 9, the inner side wall of the supporting circular plate 9 is flush with the inner wall of the bearing body 1, so that the cooling device is supported outside the bearing body 1, the conduit I6, the conduit II and the conduit III 13 are respectively made of steel materials, which are beneficial to heat conduction and heat conduction of the bearing body 1.

It should be further noted that, the first small motor 11 and the second small motor 15 in this embodiment are conventional devices known to those skilled in the art and purchased in the market, and can be selected or customized according to actual needs, in this patent, only the first small motor 11 and the second small motor 15 need to be connected with a forward and reverse rotation circuit for forward and reverse rotation operation, and for forward and reverse rotation operation of the motor, the forward and reverse rotation operation of the motor is well known and implemented according to the patent CN109889124 a.

In summary, when the needle roller bearing convenient for heat dissipation works, the needle roller 2 rotates in the bearing body 1, the needle roller 2 generates heat, the needle roller 2 drives the hollow rotating shaft 3 to rotate while rotating and conducts the heat into the hollow rotating shaft 3, meanwhile, the hollow rotating shaft 3 is filled with the liquid for heat dissipation of the bearing body 1, the liquid flows in the bearing body 1 under the driving of the small motor II 15 and the paddle 12, the liquid carries the heat to flow outwards through the conduit I6 through the through hole of the hollow rod 4, the conduit I6 flows to the conduit II 7, the conduit II 7 flows to the cooling fin 8 through the conduit III 13 under the action of the small motor I11 and the paddle 12, the cooling fin 8 dissipates the heat outwards, and then the liquid is input into the conduit II 7 under the driving of the small motor II 15 and the paddle 12 and finally flows into the hollow rotating shaft 3 to continue to dissipate the heat for the needle roller 2, and thus the reciprocating work circularly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be convenient for radiating bearing, includes bearing body (1), its characterized in that still includes a plurality of kingpin (2), and is a plurality of kingpin (2) set up in the lateral wall of bearing body (1), a plurality of the outside of kingpin (2) all is provided with two hollow pivot (3), the upper and lower both ends of hollow pivot (3) all rotate and are connected with hollow pole (4), and a plurality of through-holes have been seted up to the part that hollow pole (4) stretched into hollow pivot (3), the upper and lower both ends of hollow pole (4) all rotate and are connected with holding ring (5), and the intercommunication has a plurality of pipe one (6) on the lateral wall of holding ring (5), and a plurality of one side that hollow pivot (3) were kept away from to pipe one (6) all communicates has pipe two (7), liquid mechanism and transfusion system are installed respectively at the both ends of pipe two (7), liquid mechanism and transfusion system intercommunication have fin (8), the upper and lower both ends of fin (8) all fixedly connected with support plectrum (9), pipe one (6), pipe two (7), hollow shaft (3) all 1) are used for setting up the heat dissipation body (1).

2. The needle bearing convenient for heat dissipation according to claim 1, wherein the liquid outlet mechanism comprises a liquid outlet box (10), two sides of the liquid outlet box (10) are respectively communicated with one end of a second conduit (7), a first small motor (11) is installed at the top of the liquid outlet box (10), a blade (12) is rotatably connected to the output end of the first small motor (11), the blade (12) is arranged inside the liquid outlet box (10), one side of the liquid outlet box (10) is communicated with one end of a third conduit (13), and the other end of the third conduit (13) is communicated with the inner wall of the heat dissipation fin (8).

3. The needle roller bearing convenient for heat dissipation according to claim 2, wherein the infusion mechanism comprises an infusion box (14), two sides of the infusion box (14) are respectively communicated with one end of a second conduit (7), a second small motor (15) is installed at the top of the infusion box (14), a blade (12) is rotatably connected to the output end of the second small motor (15), the blade (12) is arranged inside the infusion box (14), one side of the infusion box (14) is communicated with one end of a third conduit (13), and the other end of the third conduit (13) is communicated with the inner wall of the radiating fin (8).

4. A needle bearing facilitating heat dissipation according to claim 3, wherein the liquid outlet mechanism and the liquid delivery mechanism are symmetrically arranged along the center of the bearing body (1).

5. A needle bearing facilitating heat dissipation according to claim 4, characterized in that the heat sink (8) is of annular configuration.

6. The needle roller bearing convenient for heat dissipation according to claim 5, wherein the first guide tube (6), the second guide tube (7) and the third guide tube (13) are made of steel materials.

7. Needle bearing facilitating heat dissipation according to claim 6, characterized in that the inner side wall of the supporting circular plate (9) is flush with the inner wall of the bearing body (1).

8. The needle bearing convenient for heat dissipation according to claim 7, wherein the outer wall of the hollow rotating shaft (3) and the outer wall of the needle (2) are mutually attached.