CN214837827U

CN214837827U - New energy automobile non-thread tightening automobile wheel hub bearing unit

Info

Publication number: CN214837827U
Application number: CN202120847070.6U
Authority: CN
Inventors: 肖旭; 毛小伟; 甄玉洁
Original assignee: Hangzhou Baolijia Car Axletree Corp
Current assignee: Hangzhou Baolijia Car Axletree Corp
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-23
Anticipated expiration: 2031-04-23

Abstract

The utility model belongs to the technical field of wheel hub, especially, for new energy automobile non-thread fastening automobile wheel hub bearing unit, including the mounting panel, the medial surface of mounting panel is provided with the recess, and the medial surface of recess is provided with the draw-in groove, and the medial surface welding of draw-in groove has the ring gear, and the rear end face welding of ring gear has the wheel hub disc, and the medial surface of wheel hub disc is provided with the second mounting hole, and the quantity of second mounting hole is five groups, and one side of mounting panel is provided with the inner chamber, and one side fixed mounting that the mounting panel was kept away from to the inner chamber has the dust cover. The utility model discloses a set up draw-in groove and recess, fix the position of outside device, no longer need use the bolt fastening, the installation is more convenient, has saved the loaded down with trivial details step of preparation screw thread on the wheel hub bearing unit simultaneously for the production speed of wheel hub bearing unit, through setting up the dust cover, prevent that external dust from entering into in the wheel hub bearing unit, avoid the dust to pile up and cause the damage to wheel hub, extension wheel hub's life.

Description

New energy automobile non-thread tightening automobile wheel hub bearing unit

Technical Field

The utility model relates to a wheel hub technical field specifically is new energy automobile non-screw fastening automobile wheel hub bearing unit.

Background

The hub bearing of the car in the past mostly uses a single-row tapered roller or a ball bearing in pairs, and with the development of technology, the car has widely used a car hub unit, the application range and the application amount of the hub bearing unit are increasing, and the hub bearing unit has been developed to the third generation: the first generation is composed of double-row angular contact bearings, the second generation is provided with a flange used for fixing the bearing on an outer raceway, the bearing can be simply sleeved on a wheel shaft and fixed by a nut, so that the maintenance of an automobile is easy, the third generation hub bearing unit is matched with an anti-lock brake system by adopting a bearing unit, the hub unit is designed to be provided with an inner flange and an outer flange, the inner flange is fixed on a driving shaft by bolts, and the outer flange is used for installing the whole bearing together.

There are the following problems:

1. after the existing hub bearing unit and an external device are installed together, the hub and the external device need to be fixed through bolts, which is very troublesome.

2. Dust outside the existing hub bearing unit is very easy to enter the unit, and the dust accumulation can damage the hub and influence the service life of the hub.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a new energy automobile non-thread fastening automobile wheel hub bearing unit has solved and has needed to cause the problem of damage to the hub in the unit with bolt fastening and dust easily to enter into after wheel hub bearing unit and the installation of external device.

In order to achieve the above object, the utility model provides a following technical scheme: non-screw fastening automobile wheel hub bearing unit of new energy automobile, including the mounting panel, the medial surface of mounting panel is provided with the recess, the medial surface of recess is provided with the draw-in groove, the medial surface welding of draw-in groove has the ring gear, the rear end face welding of ring gear has the wheel hub disc, the medial surface of wheel hub disc is provided with the second mounting hole, the quantity of second mounting hole is five groups, one side of mounting panel is provided with the inner chamber, one side fixed mounting that the mounting panel was kept away from to the inner chamber has the dust cover, the fixed surface of inner chamber installs the flange, the medial surface fixed mounting of flange has the inner circle.

As a preferred technical scheme of the utility model, the lower terminal surface welding of inner circle has the magnetic ring subassembly, one side welding that the inner circle was kept away from to the magnetic ring subassembly has the outer lane.

As an optimal technical scheme of the utility model, the up end fixed mounting of outer lane has the steel ball, the outer fixed surface of steel ball installs the holder, the material of holder is nylon.

As an optimal technical scheme of the utility model, one side welding that the magnetic ring subassembly was kept away from to the steel ball has the lower seal circle, the material of lower seal circle is butadiene acrylonitrile rubber.

As a preferred technical scheme of the utility model, the up end of flange is provided with first mounting hole, the medial surface threaded connection of first mounting hole has the bolt.

As an optimal technical scheme of the utility model, the material of bolt is CrMo.

Compared with the prior art, the utility model provides a new energy automobile non-screw fastening automobile wheel hub bearing unit possesses following beneficial effect:

1. this new energy automobile non-thread tightening automobile wheel hub bearing unit through setting up draw-in groove and recess, fixes the position of outside device, no longer need with the bolt fastening, and the installation is more convenient, has saved the loaded down with trivial details step of preparation screw thread on the wheel hub bearing unit simultaneously for the production speed of wheel hub bearing unit.

2. This new energy automobile non-thread fastening automobile wheel hub bearing unit through setting up the dust cover, prevents that external dust from entering into wheel hub bearing unit in, avoids the dust to pile up and causes the damage to wheel hub, extension wheel hub's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the gear ring structure of the present invention;

fig. 3 is a schematic view of the flange structure of the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a flange; 4. a steel ball; 5. a holder; 6. a lower seal ring; 7. a magnetic ring assembly; 8. a dust cover; 9. a bolt; 10. a hub disk; 11. an inner cavity; 13. a first mounting hole; 14. mounting a plate; 15. a card slot; 16. a groove; 17. a second mounting hole; 18. a ring gear.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: new energy automobile non-thread fastening automobile wheel hub bearing unit, including mounting panel 14, the medial surface of mounting panel 14 is provided with recess 16, the medial surface of recess 16 is provided with draw-in groove 15, the medial surface welding of draw-in groove 15 has ring gear 18, the rear end face welding of ring gear 18 has wheel hub disc 10, the medial surface of wheel hub disc 10 is provided with second mounting hole 17, the quantity of second mounting hole 17 is five groups, one side of mounting panel 14 is provided with inner chamber 11, one side fixed mounting that mounting panel 14 was kept away from to inner chamber 11 has dust cover 8, the outer fixed surface of inner chamber 11 installs flange 3, the medial surface fixed mounting of flange 3 has inner circle 2.

In this embodiment, mounting panel 14 provides the mounted position for recess 16 and draw-in groove 15, and draw-in groove 15 and recess 16 fix the position of outside device, no longer need fix with bolt 9, and the installation is more convenient, and dust cover 8 prevents that external dust from entering into wheel hub bearing unit in, avoids the dust to pile up and causes the damage to wheel hub, extension wheel hub's life.

Specifically, a magnetic ring assembly 7 is welded on the lower end face of the inner ring 2, and the outer ring 1 is welded on one side, far away from the inner ring 2, of the magnetic ring assembly 7.

In this embodiment, the magnetic ring assembly 7 provides magnetic properties to the hub bearing unit, and the outer ring 1 is used to protect the inner ring 2.

Specifically, the upper end face of the outer ring 1 is fixedly provided with a steel ball 4, the outer surface of the steel ball 4 is fixedly provided with a retainer 5, and the retainer 5 is made of nylon.

In this embodiment, the retainer 5 separates the steel balls 4, so as to avoid friction between the steel balls 4 and prolong the service life of the steel balls 4.

Specifically, a lower sealing ring 6 is welded on one side, away from the magnetic ring component 7, of the steel ball 4, and the lower sealing ring 6 is made of nitrile rubber.

In this embodiment, the lower seal ring 6 improves the sealing property between the outer ring 1 and the flange 3, and the lower seal ring 6 made of nitrile rubber has a long service life.

Specifically, the upper end surface of the flange 3 is provided with a first mounting hole 13, and the inner side surface of the first mounting hole 13 is in threaded connection with the bolt 9.

In this embodiment, the first mounting hole 13 is where the bolt 9 is mounted, and the first mounting hole 13 is internally provided with a screw thread.

Specifically, the material of the bolt 9 is 35 CrMo.

In this embodiment, 35CrMo is an alloy hardened and tempered steel, and the bolt 9 made of 35CrMo is strong and durable.

The utility model discloses a theory of operation and use flow: with magnetic ring subassembly 7, the back is assembled in wheel hub bearing unit to devices such as steel ball 4 and holder 5, pass through draw-in groove 15 with the recess 16 is fixed with outside device, no longer need to fix with bolt 9, the installation is more convenient, the loaded down with trivial details step of preparation screw thread on the wheel hub bearing unit has been saved simultaneously, the production speed of wheel hub bearing unit has been accelerated, connect good back start-up sensor, wheel hub bearing unit begins work, the dust cover 8 of flange 3 rear end prevents that external dust from entering into in the wheel hub bearing unit, avoid the dust to pile up and cause the damage to the wheel hub, prolong wheel hub's life, holder 5 separates steel ball 4, avoid rubbing between steel ball 4, prolong steel ball 4's life-span.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. New energy automobile non-thread tightening automobile wheel hub bearing unit, including mounting panel (14), its characterized in that: the medial surface of mounting panel (14) is provided with recess (16), the medial surface of recess (16) is provided with draw-in groove (15), the medial surface welding of draw-in groove (15) has ring gear (18), the rear end face welding of ring gear (18) has wheel hub disc (10), the medial surface of wheel hub disc (10) is provided with second mounting hole (17), the quantity of second mounting hole (17) is five groups, one side of mounting panel (14) is provided with inner chamber (11), one side fixed mounting that mounting panel (14) were kept away from in inner chamber (11) has dust cover (8), the fixed surface of inner chamber (11) installs flange (3), the medial surface fixed mounting of flange (3) has inner circle (2).

2. The new energy automobile non-threaded fastening automobile hub bearing unit of claim 1, characterized in that: the magnetic ring component (7) is welded on the lower end face of the inner ring (2), and the outer ring (1) is welded on one side, far away from the inner ring (2), of the magnetic ring component (7).

3. The new energy automobile non-threaded fastening automobile hub bearing unit of claim 2, characterized in that: the steel ball bearing is characterized in that a steel ball (4) is fixedly mounted on the upper end face of the outer ring (1), a retainer (5) is fixedly mounted on the outer surface of the steel ball (4), and the retainer (5) is made of nylon.

4. The new energy automobile non-threaded fastening automobile hub bearing unit according to claim 3, characterized in that: one side of the steel ball (4) far away from the magnetic ring component (7) is welded with a lower sealing ring (6), and the lower sealing ring (6) is made of nitrile rubber.

5. The new energy automobile non-threaded fastening automobile hub bearing unit of claim 1, characterized in that: the upper end face of the flange (3) is provided with a first mounting hole (13), and the inner side face of the first mounting hole (13) is in threaded connection with a bolt (9).

6. The new energy automobile non-threaded fastening automobile hub bearing unit according to claim 5, characterized in that: the bolt (9) is made of 35 CrMo.