CN212202873U

CN212202873U - Angular contact bearing with cooling mechanism

Info

Publication number: CN212202873U
Application number: CN202020505745.4U
Authority: CN
Inventors: 雷周亮; 王新军; 潘加杰; 方洁平
Original assignee: Jiaxing Leite Precision Bearing Co ltd
Current assignee: Jiaxing Leite Precision Bearing Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-22
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an angular contact bearing with cooling mechanism relates to bearing technical field, including the bearing inner race, the inboard of bearing inner race is provided with the bearing inner race, is provided with the rolling element between bearing inner race and the bearing inner race, and the both sides of rolling element all are provided with the holder, and the bearing inner race is provided with the heat dissipation flabellum on being close to a side of bearing inner race, and the centre bore has been seted up at the middle part of heat dissipation flabellum, and the jack has been seted up on a side that the bearing inner race is close to the bearing inner race, through thread fixedly connected with connecting rod in the jack, the one end of. The utility model discloses a be provided with the heat dissipation flabellum that a plurality of slopes set up on the side that the bearing inner race is close to the bearing inner race, drive the heat dissipation flabellum and be circular motion when the bearing inner race rotates to accelerate the air flow between bearing inner race and the bearing inner race, consequently can in time take away the heat in the bearing, effectively increased the life of bearing.

Description

Angular contact bearing with cooling mechanism

Technical Field

The utility model relates to a bearing technical field, in particular to angular contact bearing with cooling mechanism.

Background

The angular contact bearing is a kinematic pair, is used for supporting a rotating shaft and parts on the shaft, keeps the normal working position and the rotation precision of the shaft, and has great significance for reducing the friction coefficient between mechanical parts in the motion process and prolonging the service life. The existing angular contact bearing often generates a large amount of heat due to friction in the rotating process, and the heat is remained in the bearing and cannot be dissipated in time, so that the metal expansion is easily caused, and the service life of the bearing is influenced.

Therefore, it is necessary to provide an angular contact bearing with a cooling mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a have cooling mechanism angular contact bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angular contact bearing with cooling mechanism, includes the bearing inner race, the inboard of bearing inner race is provided with the bearing inner race, be provided with the rolling element between bearing inner race and the bearing inner race, the both sides of rolling element all are provided with the holder, the bearing inner race is provided with the heat dissipation flabellum on being close to a side of bearing inner race, the centre bore has been seted up at the middle part of heat dissipation flabellum, the jack has been seted up on a side that the bearing inner race is close to the bearing inner race, through screw thread fixedly connected with connecting rod in the jack, the one end of connecting rod runs through the centre bore and extends to the top of heat dissipation flabellum, screw thread fixedly connected with stop collar is passed through to the one end of connecting rod, be provided with the activity.

Preferably, both sides of rolling element all are provided with heat dissipation flabellum and jack, heat dissipation flabellum and jack all are provided with a plurality ofly.

Preferably, it is a plurality of heat dissipation flabellum and a plurality of jack one-to-one are a plurality of heat dissipation flabellum and a plurality of jack all are the annular array distribution on bearing inner race, heat dissipation flabellum slope sets up.

Preferably, the middle part outside fixedly connected with of connecting rod is a plurality of stopper that are annular array and distribute, vertically set up a plurality of spacing grooves that are annular array and distribute on the inner wall of centre bore.

Preferably, the number of the limiting blocks is the same as that of the limiting grooves, and the limiting blocks are located in the limiting grooves and matched with the limiting grooves.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a side that is close to the bearing inner race at the bearing inner race is provided with the heat dissipation flabellum that a plurality of slopes set up, and the bearing inner race drives the heat dissipation flabellum and makes circular motion when rotating to accelerate the air flow between bearing inner race and the bearing outer race, consequently can in time take away the heat in the bearing, effectively increased the life of bearing;

2. the utility model discloses a circle in the bearing and seted up the jack, the jack passes through screw thread fixedly connected with connecting rod, connecting rod and radiating fan blade plug-in connection for radiating fan blade's installation is more convenient with the dismantlement.

Drawings

Fig. 1 is a schematic side view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the structure at a-a in fig. 1 according to the present invention.

Fig. 3 is a schematic top view of the heat dissipation fan blade structure of the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: 1. a bearing outer race; 2. a bearing inner race; 3. a rolling body; 4. a holder; 5. a heat dissipation fan blade; 6. a central bore; 7. a jack; 8. a connecting rod; 9. a limiting sleeve; 10. a thrust spring; 11. a limiting block; 12. a limiting groove.

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 work belong to the protection scope of the present invention.

The utility model provides an angular contact bearing with a cooling mechanism as shown in figures 1-4, which comprises a bearing outer ring 1, a bearing inner ring 2 is arranged at the inner side of the bearing outer ring 1, a rolling body 3 is arranged between the bearing outer ring 1 and the bearing inner ring 2, two sides of the rolling body 3 are both provided with a retainer 4, a radiating fan blade 5 is arranged on one side surface of the bearing inner ring 2 close to the bearing outer ring 1, the radiating fan blade 5 is obliquely arranged, therefore, the radiating fan blade 5 can drive the air between the bearing outer ring 1 and the bearing inner ring 2 to flow when rotating along with the rotation of the bearing inner ring 2, a central hole 6 is arranged at the middle part of the radiating fan blade 5, an inserting hole 7 is arranged on one side surface of the bearing inner ring 2 close to the bearing outer ring 1, a connecting rod 8 is fixedly connected with the inserting hole, the one end of connecting rod 8 is passed through screw thread fixedly connected with stop collar 9, is provided with the activity between the lower terminal surface of stop collar 9 and the up end of heat dissipation flabellum 5 and cup joints the thrust spring 10 in the upper end outside of connecting rod 8, consequently the fixing that heat dissipation flabellum 5 can be stable is on bearing inner race 2 to thrust spring 10 provides thrust and makes the threaded connection between stop collar 9 and the connecting rod 8 inseparabler, has effectively avoided stop collar 9 to receive vibrations and the condition that drops.

Specifically, the both sides of rolling element 3 all are provided with heat dissipation flabellum 5 and jack 7, heat dissipation flabellum 5 and jack 7 all are provided with a plurality ofly, a plurality of heat dissipation flabellum 5 and a plurality of jack 7 one-to-one, a plurality of heat dissipation flabellum 5 and a plurality of jack 7 all are annular array distribution on bearing inner race 2, it can increase the air flow between bearing inner race 1 and the bearing inner race 2 to set up a plurality of heat dissipation flabellums 5, and avoided the bearing focus to produce the condition of skew.

Secondly, a plurality of stoppers 11 that are the annular array and distribute in the middle part outside fixedly connected with of connecting rod 8, vertically set up a plurality of spacing grooves 12 that are the annular array and distribute on the inner wall of centre bore 6, the quantity of stopper 11 is the same with the quantity of spacing groove 12, stopper 11 is located spacing groove 12 and with spacing groove 12 looks adaptation, it is more convenient to make installation and dismantlement between radiating fan blade 5 and the connecting rod 8 through mutually supporting between stopper 11 and the spacing groove 12, and can avoid producing the relative pivoted condition between radiating fan blade 5 and the connecting rod 8.

The utility model discloses the theory of operation:

when the radiating fan blades 5 are installed, firstly, the connecting rod 8 is fixedly connected into the jack 7 through threads, then the radiating fan blades 5 are sleeved on the outer side of the connecting rod 8, then the thrust spring 10 is sleeved on the outer side of the upper end of the connecting rod 8, finally, the limiting sleeve 9 is fixedly connected to the outer side of the upper end of the connecting rod 8 through threads, and the steps are repeated to install the plurality of radiating fan blades 5 so as to prevent the center of gravity of the whole bearing from shifting;

when the bearing rotates at a high speed, the rotation of the bearing inner ring 2 drives the radiating fan blades 5 to do circular motion, and because the radiating fan blades 5 are obliquely arranged, air between the bearing outer ring 1 and the bearing inner ring 2 can flow rapidly when the radiating fan blades 5 move, so that heat in the bearing is taken away.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an angular contact bearing with cooling mechanism, includes bearing inner race (1), its characterized in that: the inboard of bearing inner race (1) is provided with bearing inner race (2), be provided with rolling element (3) between bearing inner race (1) and the bearing inner race (2), the both sides of rolling element (3) all are provided with holder (4), be provided with heat dissipation flabellum (5) on bearing inner race (2) is close to a side of bearing inner race (1), centre bore (6) have been seted up at the middle part of heat dissipation flabellum (5), jack (7) have been seted up on bearing inner race (2) is close to a side of bearing outer race (1), through screw thread fixedly connected with connecting rod (8) in jack (7), the one end of connecting rod (8) runs through centre bore (6) and extends to the top of heat dissipation flabellum (5), the one end of connecting rod (8) is through screw thread fixedly connected with stop collar (9), be provided with the activity between the lower terminal surface of stop collar (9) and the up end of heat dissipation flabellum (5 A thrust spring (10) on the outer side of the end.

2. The angular contact bearing with a temperature reduction mechanism according to claim 1, wherein: the two sides of the rolling body (3) are provided with heat dissipation fan blades (5) and insertion holes (7), and the heat dissipation fan blades (5) and the insertion holes (7) are provided with a plurality of holes.

3. The angular contact bearing with a temperature reduction mechanism according to claim 2, wherein: it is a plurality of heat dissipation flabellum (5) and a plurality of jack (7) one-to-one are a plurality of heat dissipation flabellum (5) and a plurality of jack (7) all are the annular array and distribute on bearing inner circle (2), heat dissipation flabellum (5) slope sets up.

4. The angular contact bearing with a temperature reduction mechanism according to claim 1, wherein: the middle part outside fixedly connected with of connecting rod (8) is a plurality of stopper (11) that are the annular array and distribute, vertically on the inner wall of centre bore (6) seted up a plurality of spacing grooves (12) that are the annular array and distribute.

5. The angular contact bearing with a temperature reduction mechanism according to claim 4, wherein: the number of the limiting blocks (11) is the same as that of the limiting grooves (12), and the limiting blocks (11) are located in the limiting grooves (12) and are matched with the limiting grooves (12).