CN216430271U

CN216430271U - Powder metallurgy hub bearing

Info

Publication number: CN216430271U
Application number: CN202123006817.4U
Authority: CN
Inventors: 郁祖欣; 程俊; 贺磊
Original assignee: Jiangsu Shiguan Automation Equipment Co ltd
Current assignee: Jiangsu Shiguan Automation Equipment Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-03
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a powder metallurgy wheel hub bearing, including flange, flange's rear surface fixedly connected with inner circle, flange's inside has been seted up and has been rotated the groove, the inside rotation that rotates the groove is connected with the swivel becket, the swivel becket is located the outside one side fixedly connected with outer lane of flange, first recess has been seted up to the surface of inner circle, the second recess has been seted up to the internal surface of outer lane, be provided with the steel ball between first recess and the second recess, the oil storage chamber has been seted up to the inside of outer lane. The utility model discloses, through set up the oil storage chamber in that the outer lane is inside, then drive the shutoff piece through drawing a control pull rod, clamp plate and remove to extract the shutoff piece from the oil feed is downthehole, make in the lubricating oil entering second recess of oil storage intracavity, thereby lubricate the steel ball, avoid wholly dismantling, for the facility that the staff provided, be favorable to improving work efficiency.

Description

Powder metallurgy hub bearing

Technical Field

The utility model relates to a wheel hub bearing technical field especially relates to powder metallurgy wheel hub bearing.

Background

The hub bearing mainly plays a role in bearing and providing accurate guide for the rotation of the hub, bears axial load and radial load, is a very important part, and further improves the requirements of people on the integration level and the compactness of parts of a car along with the further development of science and technology.

In the prior art, a patent with the application number of CN201620505292.9 applies for a hub bearing, and the inner ring can be effectively prevented from falling off in the assembling or using process through the arrangement of a middle baffle plate, so that the use performance of the hub bearing is improved, and the service life is prolonged; the blocking part is arranged, so that the sealing assembly can be effectively prevented from axially moving, the position of the sealing assembly is not deviated, and the sealing effect is improved; through magnetic seal assembly's setting, can guarantee seal assembly's sealed effect, the wheel hub bearing in this patent need lubricate inside steel ball additional lubrication after using for a long time, but need use special instrument to dismantle the wheel hub bearing when additional lubrication just can add, and the operation is more troublesome, brings the trouble of many for the staff, seriously influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a powder metallurgy hub bearing.

In order to realize the purpose, the utility model adopts the following technical scheme: the powder metallurgy hub bearing comprises a connecting flange, wherein the rear surface of the connecting flange is fixedly connected with an inner ring, a rotating groove is formed in the connecting flange, a rotating ring is rotatably connected in the rotating groove, one side of the rotating ring, which is positioned outside the connecting flange, is fixedly connected with an outer ring, a first groove is formed in the outer surface of the inner ring, a second groove is formed in the inner surface of the outer ring, and a steel ball is arranged between the first groove and the second groove;

an oil storage cavity is formed in the outer ring, an oil inlet hole is formed between the oil storage cavity and the second groove, a pull rod is connected to the outer surface of the outer ring in a sliding mode, a pull block is fixedly connected to one end, away from the outer ring, of the pull rod, one end, away from the pull block, of the pull rod extends into the oil storage cavity and is fixedly connected with a pressing plate, and a blocking block is arranged on one side, away from the pull rod, of the pressing plate;

one side that the shutoff piece was kept away from to the clamp plate is provided with the extrusion spring, the one end that the clamp plate was kept away from to the extrusion spring and the inner wall fixed connection in oil storage chamber, the inside sliding connection of clamp plate has spacing slide bar to the both ends of spacing slide bar all with the inner wall fixed connection in oil storage chamber.

As a further description of the above technical solution:

the outer surface of the inner ring and the two sides of the first groove are both provided with mounting grooves, and dust rings are arranged inside the mounting grooves.

As a further description of the above technical solution:

and an oil inlet valve is arranged on the outer surface of the outer ring and on one side of the pull rod, the oil inlet valve is connected with the oil storage cavity, and the oil inlet valve is a one-way valve.

As a further description of the above technical solution:

threaded holes are formed in the connecting flange, and fastening bolts are connected to the threaded holes in a threaded mode.

As a further description of the above technical solution:

the sections of the rotating groove and the rotating ring are convex.

As a further description of the above technical solution:

the plugging block corresponds to the oil inlet hole and is matched with the oil inlet hole.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this powder metallurgy wheel hub bearing is through seting up the oil storage chamber in that the outer lane is inside, then drives the shutoff piece through drawing a control pull rod, clamp plate and removes to extract the shutoff piece from the oil feed is downthehole, make the lubricating oil of oil storage intracavity get into in the second recess, thereby lubricate the steel ball, avoid wholly dismantling, for the facility that the staff provided, be favorable to improving work efficiency.

2. Compared with the prior art, this powder metallurgy wheel hub bearing drives the shutoff piece through the elasticity control clamp plate that utilizes extrusion spring and removes to fix the shutoff piece in the inlet port, avoid taking place to leak, through setting up spacing slide bar, ensure the insertion inlet port that the shutoff piece can be accurate.

Drawings

Fig. 1 is an external structural schematic view of a powder metallurgy hub bearing according to the present invention;

fig. 2 is a front cross-sectional view of the powder metallurgy hub bearing provided by the present invention;

fig. 3 is a schematic structural view of a in fig. 1 according to the present invention;

fig. 4 is a schematic structural diagram of B in fig. 1 according to the present invention.

Illustration of the drawings:

1. a connecting flange; 2. an inner ring; 3. a rotating groove; 4. a rotating ring; 5. an outer ring; 6. a first groove; 7. a steel ball; 8. a second groove; 9. an oil storage chamber; 10. a pull rod; 11. pulling the block; 12. pressing a plate; 13. a plugging block; 14. an oil inlet hole; 15. a compression spring; 16. a limiting slide bar; 17. an oil inlet valve; 18. a dust ring; 19. and (4) mounting the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a powder metallurgy wheel hub bearing: the connecting flange comprises a connecting flange 1, wherein the rear surface of the connecting flange 1 is fixedly connected with an inner ring 2, a rotating groove 3 is formed in the connecting flange 1, a rotating ring 4 is rotatably connected in the rotating groove 3, the rotating groove 3 is arranged, the rotating ring 4 is arranged to be used for installing an outer ring 5, the sections of the rotating groove 3 and the rotating ring 4 are both convex, the rotating ring 4 is prevented from falling off from the rotating groove 3, one side of the rotating ring 4, which is positioned outside the connecting flange 1, is fixedly connected with an outer ring 5, the outer surface of the inner ring 2 is provided with a first groove 6, the first groove 6 and a second groove 8 are matched with each other and limit a steel ball 7, the inner surface of the outer ring 5 is provided with a second groove 8, and the steel ball 7 is arranged between the first groove 6 and the second groove 8;

an oil storage cavity 9 is arranged inside the outer ring 5 and used for storing lubricating oil, an oil inlet 14 is arranged between the oil storage cavity 9 and the second groove 8, so that the lubricating oil in the oil storage cavity 9 can conveniently enter the second groove 8, the steel ball 7 is lubricated, it should be noted that the oil inlet 14 changes along with the rotation of the outer ring 5, the outer surface of the outer ring 5 is connected with a pull rod 10 in a sliding way, one end of the pull rod 10 far away from the outer ring 5 is fixedly connected with a pull block 11, used for controlling the pull rod 10 and the pressure plate 12 to drive the blocking block 13 to move and pulling the blocking block 13 out of the oil inlet 14, one end of the pull rod 10 far away from the pull block 11 extends into the oil storage cavity 9 and is fixedly connected with the pressure plate 12, one side of the pressure plate 12 far away from the pull rod 10 is provided with the blocking block 13, the oil inlet hole 14 is blocked, the blocking block 13 is arranged corresponding to the oil inlet hole 14, and the blocking block 13 is matched with the oil inlet hole 14;

one side that the shutoff piece 13 was kept away from to clamp plate 12 is provided with extrusion spring 15, avoid the shutoff piece 13 to drop from the inlet port 14, extrusion spring 15 keeps away from the one end of clamp plate 12 and the inner wall fixed connection of oil storage chamber 9, the inside sliding connection of clamp plate 12 has spacing slide bar 16 for carry on spacingly to clamp plate 12, ensure in the accurate insertion inlet port 14 of shutoff piece 13, and spacing slide bar 16's both ends all with the inner wall fixed connection of oil storage chamber 9.

Mounting groove 19 has all been seted up to the surface of inner circle 2 and the both sides that are located first recess 6, mounting groove 19's inside is provided with dust ring 18, avoid external dust to get into, the surface of outer lane 5 and the one side that is located pull rod 10 have seted up inlet valve 17, be used for toward oiling in the oil storage chamber 9, inlet valve 17 links to each other with oil storage chamber 9, and inlet valve 17 is the check valve, flange 1's inside threaded hole has been seted up, and the inside threaded connection of screw hole has fastening bolt.

The working principle is as follows: when the steel ball 7 in the hub bearing needs to be added with lubricating oil, the plugging block 13 is pulled out from the oil inlet hole 14 through the pulling block 11, the lubricating oil in the oil storage cavity 9 enters the second groove 8 and lubricates the steel ball 7, after the adding is completed, the pulling block 11 is loosened, and the plugging block 13 is inserted into the oil inlet hole 14 for plugging under the action of the extrusion spring 15.

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. Powder metallurgy wheel hub bearing, including flange (1), its characterized in that: the rear surface of the connecting flange (1) is fixedly connected with an inner ring (2), a rotating groove (3) is formed in the connecting flange (1), a rotating ring (4) is rotatably connected in the rotating groove (3), an outer ring (5) is fixedly connected to one side, located outside the connecting flange (1), of the rotating ring (4), a first groove (6) is formed in the outer surface of the inner ring (2), a second groove (8) is formed in the inner surface of the outer ring (5), and a steel ball (7) is arranged between the first groove (6) and the second groove (8);

an oil storage cavity (9) is formed in the outer ring (5), an oil inlet (14) is formed between the oil storage cavity (9) and the second groove (8), a pull rod (10) is connected to the outer surface of the outer ring (5) in a sliding mode, one end, far away from the outer ring (5), of the pull rod (10) is fixedly connected with a pull block (11), one end, far away from the pull block (11), of the pull rod (10) extends into the oil storage cavity (9) and is fixedly connected with a pressing plate (12), and a blocking block (13) is arranged on one side, far away from the pull rod (10), of the pressing plate (12);

one side that shutoff piece (13) were kept away from in clamp plate (12) is provided with extrusion spring (15), the inner wall fixed connection of the one end of clamp plate (12) and oil storage chamber (9) is kept away from in extrusion spring (15), the inside sliding connection of clamp plate (12) has spacing slide bar (16) to the both ends of spacing slide bar (16) all with the inner wall fixed connection of oil storage chamber (9).

2. The powder metallurgy hub bearing of claim 1, wherein: mounting grooves (19) are formed in the outer surface of the inner ring (2) and located on two sides of the first groove (6), and dust rings (18) are arranged inside the mounting grooves (19).

3. The powder metallurgy hub bearing of claim 1, wherein: the outer surface of the outer ring (5) and one side of the pull rod (10) are provided with an oil inlet valve (17), the oil inlet valve (17) is connected with the oil storage cavity (9), and the oil inlet valve (17) is a one-way valve.

4. The powder metallurgy hub bearing of claim 1, wherein: threaded holes are formed in the connecting flange (1), and fastening bolts are connected to the inner threads of the threaded holes in a threaded mode.

5. The powder metallurgy hub bearing of claim 1, wherein: the cross sections of the rotating groove (3) and the rotating ring (4) are convex.

6. The powder metallurgy hub bearing of claim 1, wherein: the plugging block (13) is arranged corresponding to the oil inlet hole (14), and the plugging block (13) is matched with the oil inlet hole (14).