CN210509951U

CN210509951U - Angular contact ball hub unit bearing with heat dissipation structure

Info

Publication number: CN210509951U
Application number: CN201921378278.7U
Authority: CN
Inventors: 傅国庆; 傅国军; 傅国娥; 於振滔
Original assignee: Hangzhou Fu Auto Parts Co Ltd
Current assignee: Hangzhou Fu Auto Parts Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-12
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a take heat radiation structure's angular contact ball wheel hub unit bearing, including bearing inner race, bearing inner circle and steel ball, the bearing inner circle's periphery is established to the bearing inner circle cover, the surface of steel ball respectively with one side interference fit that bearing inner circle is relative, one side that bearing inner circle is relative and the periphery sliding connection who is located the steel ball have a holder, the positive fixedly connected with connecting cylinder of holder, the internal surface fixedly connected with hang plate of bearing inner circle, the one end fixedly connected with installation circle of bearing inner circle is kept away from to the hang plate, the spout has all been seted up at the middle part at the positive and the back of hang plate, the utility model relates to a wheel hub unit technical field. This take angular contact ball wheel hub unit bearing of heat radiation structure utilizes assembled heating panel structure to strengthen the heat dissipation for the bearing produces stronger air current at the in-process of work, accelerates the flow of surrounding air, carries out rapid heat dissipation to the steel ball, guarantees the normal life of bearing.

Description

Angular contact ball hub unit bearing with heat dissipation structure

Technical Field

The utility model relates to a wheel hub unit technical field specifically is a take heat radiation structure's angular contact ball wheel hub unit bearing.

Background

The angular contact ball bearing is one kind of bearing, which can bear radial load and axial load simultaneously and can work at high rotation speed. The larger the contact angle, the higher the axial load capacity, and high precision and high speed bearings typically take a contact angle of 15 degrees. Under axial force, the contact angle increases.

Generally divide into ball bearing and slide bearing in the bearing, be equipped with the ball body in the ball bearing, the ball accepts the inner and outer lane from top to bottom, the area that frictional force mainly produced, the ball calorific capacity is huge when the bearing is high-speed rotatory, if unable timely dispels the heat to the bearing, the metallic feature that will make the ball changes, produce the condition such as metal fatigue easily, reduce the normal life of bearing, current bearing heat dissipation is exactly that simple fin of increase dispels the heat, such setting only can transmit partial heat, and the during operation only can produce the less air current flow of scope and flow, can not carry out rapid heat dissipation, still can influence the normal life of bearing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a take heat radiation structure's angular contact ball wheel hub unit bearing has solved current bearing heat dissipation and has just been the fin of simple increase and dispel the heat, and such setting only can transmit partial heat, and the during operation only can produce the less air current of scope and flow moreover, can not cross and carry out rapid heat dissipation, still can influence the problem of bearing normal life.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an angular contact ball hub unit bearing with a heat dissipation structure comprises a bearing outer ring, a bearing inner ring and steel balls, wherein the bearing outer ring is sleeved on the periphery of the bearing inner ring, the outer surfaces of the steel balls are respectively in interference fit with one opposite sides of the bearing outer ring and the bearing inner ring, the opposite sides of the bearing outer ring and the bearing inner ring and the peripheries of the steel balls are connected with a retainer in a sliding way, the front surface of the retainer is fixedly connected with a connecting cylinder, the inner surface of the bearing inner ring is fixedly connected with an inclined plate, one end of the inclined plate far away from the bearing inner ring is fixedly connected with an installation ring, the middle parts of the front surface and the back surface of the inclined plate are both provided with sliding grooves, the inner surface of the chute is connected with a support ring in a sliding way, the front surface of the support ring is fixedly connected with a heat dissipation plate, and one side fixedly connected with connecting rod that the support ring was kept away from to the heating panel, the surface that heating panel one end was kept away from to the connecting rod and the internal surface joint of connecting cylinder.

Preferably, grooves are formed in the inner surface of the bearing outer ring and the outer surface of the bearing inner ring, and the inner surfaces of the grooves are in sliding connection with the outer surfaces of the steel balls.

Preferably, the peripheries of the bearing outer ring and the bearing inner ring are sequentially provided with a first heat dissipation hole and a second heat dissipation hole from front to back, and the second heat dissipation holes are formed in the front and the back of the middle part of the inner surface of the groove.

Preferably, the inner surface of the sliding groove is welded with a convex block, and the outer surface of the convex block is connected with the outer surface of the support ring in a sliding manner.

Preferably, round holes and square holes are arranged at intervals outside the periphery of the retainer, the inner surfaces of the round holes are in sliding connection with the outer surfaces of the steel balls, and third heat dissipation holes are formed in the front side and the rear side of each square hole.

Preferably, the left side and the right side of the inner cavity of the square hole are communicated with the inner surface of the round hole through a breathable net.

Advantageous effects

The utility model provides a take heat radiation structure's angular contact ball wheel hub unit bearing. Compared with the prior art, the method has the following beneficial effects:

(1) the angular contact ball hub unit bearing with the heat dissipation structure is characterized in that a retainer is connected to one side, opposite to a bearing inner ring, of a bearing outer ring in a sliding manner and is positioned on the periphery of a steel ball, a connecting cylinder is fixedly connected to the front side of the retainer, an inclined plate is fixedly connected to the inner surface of the bearing inner ring, a mounting ring is fixedly connected to one end, far away from the bearing inner ring, of the inclined plate, sliding grooves are formed in the middle of the front side and the back side of the inclined plate, a support ring is connected to the inner surface of the sliding groove in a sliding manner, a heat dissipation plate is fixedly connected to the front side of the support ring, a connecting rod is fixedly connected to one side, far away from the support ring, of the connecting rod, the outer surface, far away from one end of the heat dissipation plate, of the connecting rod is clamped, the flow of surrounding air is accelerated, the steel balls are rapidly radiated, and the normal service life of the bearing is ensured.

(2) This take heat radiation structure's angular contact ball wheel hub unit bearing, through first louvre and second louvre have been seted up in proper order backward in the past in the periphery of bearing inner race and bearing inner circle, and the second louvre sets up the place ahead and the rear at slot internal surface middle part, the outside of holder periphery is spaced apart and is equipped with round hole and square hole, and the internal surface of round hole and the surface sliding connection of steel ball, the third louvre has all been seted up to both sides around the square hole, communicate through ventilative net between the left and right sides of square hole inner chamber and the internal surface of round hole, cooperate first louvre, the second louvre, the round hole, the square hole, the setting of third louvre and ventilative net, at the during operation, because the increase of air flow rate, make the heat of steel ball can be rapidly distribute out from hole and net, it is mutual with the outside air.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is an expanded schematic view of the structure of the present invention;

fig. 3 is a schematic connection diagram of the connecting cylinder and the connecting rod structure of the present invention.

In the figure: 1-bearing outer ring, 2-bearing inner ring, 3-steel ball, 4-retainer, 5-connecting cylinder, 6-inclined plate, 7-mounting ring, 8-chute, 9-support ring, 10-heat dissipation plate, 11-connecting rod, 12-groove, 13-first heat dissipation hole, 14-second heat dissipation hole, 15-lug, 16-round hole, 17-square hole, 18-third heat dissipation hole, 19-ventilation net.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an angular contact ball hub unit bearing with a heat dissipation structure comprises a bearing outer ring 1, a bearing inner ring 2 and steel balls 3, wherein the bearing outer ring 1 is sleeved on the periphery of the bearing inner ring 2, the outer surfaces of the steel balls 3 are respectively in interference fit with one side of the bearing outer ring 1 opposite to the bearing inner ring 2, grooves 12 are respectively formed in the inner surface of the bearing outer ring 1 and the outer surface of the bearing inner ring 2, the inner surfaces of the grooves 12 are in sliding connection with the outer surfaces of the steel balls 3, first heat dissipation holes 13 and second heat dissipation holes 14 are sequentially formed in the peripheries of the bearing outer ring 1 and the bearing inner ring 2 from front to back, the second heat dissipation holes 14 are arranged in front of and behind the middle part of the inner surface of the groove 12, round holes 16 and square holes 17 are formed in the outer surface of the periphery of a retainer 4 at intervals, the inner surface of the round holes 16 is in sliding connection with the outer surfaces of the steel balls 3, third, the bearing inner ring is matched with the arrangement of a first heat dissipation hole 13, a second heat dissipation hole 14, a round hole 16, a square hole 17, a third heat dissipation hole 18 and a breathable net 19, when in work, the heat of the steel ball 3 can be rapidly dissipated from the holes and the net due to the increase of the air flow rate, the heat is rapidly dissipated by interacting with the outside air, a retainer 4 is slidably connected to the periphery of the steel ball 3 at one side opposite to the bearing outer ring 1 and the bearing inner ring 2, a connecting cylinder 5 is fixedly connected to the front surface of the retainer 4, a connecting rod 11 is connected with the connecting cylinder 5 in an interference fit manner, an inclined plate 6 is fixedly connected to the inner surface of the bearing inner ring 2, a mounting ring 7 is fixedly connected to one end of the inclined plate 6 far away from the bearing inner ring 2, sliding grooves 8 are respectively arranged at the middle parts of the front surface and the back surface, the outer surface of the lug 15 is connected with the outer surface of the support ring 9 in a sliding way, the lug 15 needs to keep smooth surface during welding, the heat dissipation of the support ring 9 is convenient, the lug 15 has the main function of limiting and controlling the support ring 9 in the sliding groove 8, the front surface of the supporting ring 9 is fixedly connected with a heat dissipation plate 10, the heat dissipation plate 10 is also obliquely arranged, one side of the heat dissipation plate 10, which is far away from the supporting ring 9, is fixedly connected with a connecting rod 11, the outer surface of one end, which is far away from the heat dissipation plate 10, of the connecting rod 11 is clamped with the inner surface of the connecting cylinder 5, and the heat dissipation is enhanced by utilizing the structure of the assembled heat dissipation plate 10 by matching the arrangement of the retainer 4, the connecting cylinder 5, the inclined plate 6, the mounting ring 7, the sliding, the bearing generates stronger air flow in the working process, accelerates the flow of surrounding air, rapidly dissipates heat of the steel balls 3, and ensures the normal service life of the bearing.

And those not described in detail in this specification are well within the skill of those in the art.

When the bearing is used, the retainer 4 and the steel balls 3 are installed in the bearing groove 12 according to a conventional installation method, the support ring 9 is placed in the sliding groove 8, the connecting rod 11 is clamped into the connecting cylinder 5, and then the convex blocks 15 are welded in the sliding groove 8 in a welding mode, so that the bearing can be used.

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 take heat radiation structure's angular contact ball wheel hub unit bearing, includes bearing inner race (1), bearing inner race (2) and steel ball (3), the periphery at bearing inner race (2) is established in bearing inner race (1) cover, and the surface of steel ball (3) respectively with bearing inner race (1) and the relative one side interference fit of bearing inner race (2), its characterized in that: a retainer (4) is connected with one side of the bearing outer ring (1) opposite to the bearing inner ring (2) and positioned on the periphery of the steel balls (3) in a sliding way, the front surface of the retainer (4) is fixedly connected with a connecting cylinder (5), the inner surface of the bearing inner ring (2) is fixedly connected with an inclined plate (6), one end of the inclined plate (6) far away from the bearing inner ring (2) is fixedly connected with a mounting ring (7), the middle parts of the front surface and the back surface of the inclined plate (6) are both provided with a sliding chute (8), the inner surface of the sliding chute (8) is connected with a supporting ring (9) in a sliding way, the front surface of the supporting ring (9) is fixedly connected with a heat dissipation plate (10), and one side of the heat dissipation plate (10) far away from the support ring (9) is fixedly connected with a connecting rod (11), the outer surface of one end, far away from the heat dissipation plate (10), of the connecting rod (11) is clamped with the inner surface of the connecting cylinder (5).

2. The angular contact ball hub unit bearing with a heat dissipation structure of claim 1, wherein: the inner surface of the bearing outer ring (1) and the outer surface of the bearing inner ring (2) are both provided with grooves (12), and the inner surface of each groove (12) is in sliding connection with the outer surface of each steel ball (3).

3. The angular contact ball hub unit bearing with a heat dissipation structure of claim 2, wherein: the bearing inner ring (2) is provided with a first radiating hole (13) and a second radiating hole (14) from front to back, and the second radiating hole (14) is arranged in the front and at the back of the middle part of the inner surface of the groove (12).

4. The angular contact ball hub unit bearing with a heat dissipation structure of claim 1, wherein: the inner surface of the sliding groove (8) is welded with a convex block (15), and the outer surface of the convex block (15) is connected with the outer surface of the support ring (9) in a sliding manner.

5. The angular contact ball hub unit bearing with a heat dissipation structure of claim 1, wherein: round hole (16) and square hole (17) have been seted up at the outside interval of holder (4) periphery, and the internal surface of round hole (16) and the surface sliding connection of steel ball (3), third louvre (18) have all been seted up to both sides around square hole (17).

6. The angular contact ball hub unit bearing with a heat dissipation structure of claim 5, wherein: the left side and the right side of the inner cavity of the square hole (17) are communicated with the inner surface of the round hole (16) through a breathable net (19).