CN214874006U - Automobile maintenance-free hub assembly - Google Patents
Automobile maintenance-free hub assembly Download PDFInfo
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- CN214874006U CN214874006U CN202121147564.XU CN202121147564U CN214874006U CN 214874006 U CN214874006 U CN 214874006U CN 202121147564 U CN202121147564 U CN 202121147564U CN 214874006 U CN214874006 U CN 214874006U
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- wheel hub
- brake disc
- bearing
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Abstract
The utility model provides an automobile maintenance-free wheel hub assembly, which comprises a wheel hub, a circumferential wheel hub flange plate is arranged outside the wheel hub, a plurality of tyre bolts are arranged on the upper part of the wheel hub flange plate, bolts are arranged on the lower part of the wheel hub flange plate, a bearing installation cavity is arranged inside the wheel hub, a maintenance-free bearing unit is arranged in the bearing installation cavity, one side of the wheel hub is sleeved inside a brake disc, a gear ring is arranged inside one side of the brake disc, the integral maintenance-free bearing increases the axial stress length, is more favorable for improving the dispersion space of the bearing capacity of the bearing and has compact structure, the length of a half shaft is short, the weight is lighter than that of the wheel hub assembly with the conventional structure, the sealing performance of a bearing unit is ensured by matching a sealing ring and an oil seal of a bearing outer ring, and the sealing and lubricating effects of the bearing are better, reduce the maintenance frequency, increase the wheel hub assembly life-span.
Description
Technical Field
The utility model relates to an automobile wheel hub technical field, concretely relates to automobile non-maintaining wheel hub assembly.
Background
With the increase of domestic economy, the traffic volume of the automobile cargo transportation industry is increased. The increased transport size of the fleet of vehicles requires more maintenance and more space and labor, which increases maintenance costs. The traditional hub assembly needs to be disassembled for maintenance and replacement of lubricating grease, oil seals and bearings when the distance between the hub assembly and the bearing is about 3 kilometers. Under the condition that the transportation task of the current transport vehicle is large, the number of times of vehicle maintenance is reduced, the vehicle operation time can be prolonged, the vehicle profit amount can be increased, and meanwhile, the vehicle maintenance cost is reduced. Under the conditions of reducing cost and improving operation time and economic benefits, more and more vehicles can choose to install maintenance-free hub assembly units. There is a need for a hub assembly that is more maintenance-free or even longer-spaced, and that reduces maintenance costs while increasing the attendance rate of a fleet of vehicles. In view of the above, we propose a maintenance-free hub assembly for a vehicle to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a non-maintaining wheel hub assembly of car, the tapered roller bearing that the wheel hub bearing is for the components and parts of a whole that can function independently in traditional wheel hub assembly constitute, and each spare part fit clearance is great, leads to whole wheel hub assembly structure inseparable bulky, weight is heavier, and the length of semi-axis is also than longer simultaneously. The steering knuckle semi-axle or the hub assembly is easy to be contaminated by foreign matters during installation or maintenance, so that the service life of the hub assembly is shortened due to abrasion of the steering knuckle semi-axle or the hub assembly.
For solving the technical problem, the utility model provides a car non-maintaining wheel hub assembly, including wheel hub, wheel hub's outside is provided with the wheel hub ring flange of circumference, the upper portion of wheel hub ring flange is provided with a plurality of tire bolts, the lower part of wheel hub ring flange is provided with a plurality of wheel hub tang, wheel hub tang in-connection has the bolt, wheel hub's inside is provided with the bearing installation cavity, be provided with non-maintaining bearing unit in the bearing installation cavity, wheel hub's one side is cup jointed in the inside of brake disc, one side inside of brake disc is provided with the ring gear.
Further, the wheel hub ring flange sets up at the outside of wheel hub and circumference fixed, wheel hub ring flange and wheel hub structure as an organic whole, the wheel hub tang is provided with a plurality ofly, the wheel hub tang sets up in the lower part of wheel hub ring flange and in the top of wheel hub.
Further, wheel hub's inside cavity is with this formation bearing installation cavity, bearing installation cavity central point puts and corresponds basically with wheel hub ring flange center, non-maintaining bearing unit agrees with the bearing installation cavity mutually, one side joint of non-maintaining bearing unit is in the bottom of bearing installation cavity, non-maintaining bearing unit's opposite side is located the tip of bearing installation cavity and receives the spacing of brake disc.
Further, the brake disc is provided with the brake disc for wheel hub one side and connects the chamber, the brake disc is connected the chamber and is adapted to wheel hub, wheel hub's front end cover closes at brake disc and connects the intracavity, the tip that the chamber is connected to the brake disc is provided with the braking ring flange, be provided with a plurality of brake disc connecting holes that suit with the bolt on the braking ring flange.
Furthermore, one side central point of brake disc is the trompil form, the inside of trompil is provided with the annular cavity that suits with the ring gear, the ring gear sets up in the annular cavity, just circumference is provided with a plurality of ring gear bolts on the ring gear, corresponds the ring gear bolt is provided with a plurality of screws in the annular cavity.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. adopt the bearing unit form, guaranteed the wholeness of bearing unit through the clamp, guaranteed the leakproofness of bearing unit through bearing inner race cooperation sealing ring and oil blanket and avoided the grease to leak for the sealed of bearing, lubricated effect are better, reduce the maintenance number of times, increase wheel hub assembly life-span.
2. The integral maintenance-free bearing increases the axial stress length, is more favorable for improving the bearing capacity of the bearing, and has compact structure, short half shaft length and lighter weight than a hub assembly with a conventional structure.
3. The center line of the tire is close to the center of the maintenance-free bearing, so that the stress of the roller of the maintenance-free bearing is more uniformly distributed, and the purpose of long service life is achieved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of the separating structure of the present invention;
fig. 4 is a schematic view of the separation structure of the present invention.
1. A brake disc; 2. a ring gear; 3. a hub; 4. a maintenance-free bearing unit; 5. a tire bolt; 6. a hub flange; 7. a bolt; 8. a bearing mounting cavity; 9. the brake disc connecting cavity; 10. braking the flange plate; 11. a brake disc attachment hole; 12. an annular cavity; 13. a ring gear bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
As shown in fig. 1-4: an automobile maintenance-free hub assembly comprises a hub 3, wherein a circumferential hub flange plate 6 is arranged outside the hub 3, a plurality of tire bolts 5 are arranged on the upper portion of the hub flange plate 6, a plurality of hub rabbets are arranged on the lower portion of the hub flange plate 6, bolts 7 are connected in the hub rabbets, a bearing installation cavity 8 is arranged inside the hub 3, a maintenance-free bearing unit 4 is arranged in the bearing installation cavity 8, one side of the hub 3 is sleeved inside a brake disc 1, a gear ring 2 is arranged inside one side of the brake disc 1, particularly, the hub and the hub flange plate are of an integrated structure, the hub flange plate is a circumferential convex plate welded on the hub, a plurality of threaded holes matched with the tire bolts are formed in the hub flange plate, the tire bolts penetrate through the threaded holes to be connected to the hub flange plate, a plurality of brake disc bolt holes are formed in the base surface of the hub flange plate and below the tire bolts, the brake disc is fixed on the wheel hub by passing through the bolts in the brake disc bolt holes, the corresponding brake disc bolt holes are arranged on the brake disc and in the positions corresponding to the bolts, the brake disc is fixed on the wheel hub by connecting the bolts with the brake disc bolt holes, meanwhile, a bearing installation cavity arranged at one side of the wheel hub is matched with a brake disc connecting cavity arranged at one side of the brake disc, so that the brake disc can be sleeved at one side of the wheel hub, meanwhile, the inner space of the bearing installation cavity is matched with the maintenance-free bearing unit, so the maintenance-free bearing unit can be installed in the bearing installation cavity, meanwhile, one end of the bearing installation cavity is adapted to the maintenance-free bearing unit, and the other end of the bearing installation cavity is connected with the brake disc, therefore, the maintenance-free bearing unit is fixed in the bearing installation cavity, one side of the brake disc is provided with a cavity matched with the gear ring, and the gear ring is arranged in the cavity and is connected to the brake disc through a gear ring bolt, namely a bolt.
According to the utility model discloses an embodiment, as shown in fig. 1, 2, 3, 4, wheel hub ring flange 6 sets up at 3 outside and circumference of wheel hub fixed, wheel hub ring flange 6 and 3 structures as an organic whole of wheel hub, the wheel hub tang is provided with a plurality ofly, and corresponding bolt 7 is provided with a plurality ofly equally, the wheel hub tang sets up in the lower part of wheel hub ring flange 6 and in wheel hub 3's top, and the wheel hub ring flange sets up the protruding riser in wheel hub one side particularly, and the bolt is connecting bolt, and the bolt is located the wheel hub ring flange and just is located tire bolt's below, and its effect lies in connecting the wheel hub ring flange on the brake disc through the bolt, and then links together wheel hub and brake disc.
According to one embodiment of the present invention, as shown in fig. 1 and 3, the hub 3 is hollow inside to form a bearing installation cavity 8, the maintenance-free bearing unit 4 is matched with the bearing installation cavity 8, one side of the maintenance-free bearing unit 4 is clamped at the bottom of the bearing installation cavity 8, the other side of the maintenance-free bearing unit 4 is positioned at the end part of the bearing installation cavity 8 and limited by the brake disc 1, specifically, the maintenance-free bearing unit is arranged in the bearing installation cavity, one side of the bearing installation cavity is provided with a circumferential limiting ring plate, the maintenance-free bearing unit is limited by the limiting ring plate to avoid the maintenance-free bearing unit from falling off from one side of the bearing installation cavity, the other side of the bearing installation cavity is limited by the brake disc, the one end of the maintenance-free bearing unit arranged in the bearing installation cavity is limited, and therefore the maintenance-free bearing unit is clamped in the bearing installation cavity and cannot fall off.
According to the utility model discloses an embodiment, as shown in fig. 1, brake disc 1 is provided with brake disc connection chamber 9 for wheel hub 3 one side, brake disc connection chamber 9 suits with wheel hub 3, wheel hub 3's front end cover is in brake disc connection chamber 9, the tip of brake disc connection chamber 9 is provided with brake flange dish 10, be provided with a plurality of brake disc connecting holes 11 that suit with bolt 7 on the brake flange dish 10, the brake disc connection chamber aim at that brake disc one side set up specifically cup joints the bearing installation cavity that wheel hub one side set up to connect through the brake flange dish that sets up on the brake disc connection chamber and the brake disc connecting hole that sets up on the brake flange dish to set up the bolt on wheel hub and connect, fix the brake disc on wheel hub with this.
According to the utility model discloses an embodiment, as shown in fig. 3, 4, one side central point of brake disc 1 is trompil form, the inside of trompil is provided with the annular cavity 12 that suits with ring gear 2, ring gear 2 sets up in annular cavity 12, just circumference is provided with a plurality of ring gear bolts 13 on ring gear 2, corresponds ring gear bolt 13 is provided with a plurality of screws in annular cavity 12, and the ring gear sets up in the middle part trompil of brake disc particularly, is provided with the mounting groove that suits with the ring gear on the inside wall in the trompil, therefore the ring gear passes through the mounting groove to be connected inside the brake disc, and is provided with a plurality of ring gear bolts on the ring gear, and the relative position is provided with the fixed orifices in the brake disc that corresponds, therefore ring gear accessible ring gear bolt is fixing bolt and fixes in the brake disc.
The utility model discloses a use method:
when the brake disc is used, the maintenance-free bearing unit is arranged in a bearing installation cavity in the hub, and the maintenance-free bearing unit is fixed in the hub through the connection of the brake disc to the hub.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an automobile maintenance-free hub assembly which characterized in that: including wheel hub (3), the outside of wheel hub (3) is provided with the wheel hub ring flange (6) of circumference, the upper portion of wheel hub ring flange (6) is provided with a plurality of tire bolts (5), the lower part of wheel hub ring flange (6) is provided with a plurality of wheel hub tang, wheel hub tang in-connection has bolt (7), the inside of wheel hub (3) is provided with bearing installation cavity (8), be provided with non-maintaining bearing unit (4) in bearing installation cavity (8), the inside at brake disc (1) is cup jointed to one side of wheel hub (3), one side inside of brake disc (1) is provided with ring gear (2).
2. The vehicle maintenance-free hub assembly of claim 1, wherein: the wheel hub ring flange (6) is arranged outside the wheel hub (3) and fixed in the circumferential direction, the wheel hub ring flange (6) and the wheel hub (3) are of an integral structure, the wheel hub spigot is provided with a plurality of bolts (7) which correspond to the wheel hub spigot in a plurality, and the wheel hub spigot is arranged on the lower portion of the wheel hub ring flange (6) and above the wheel hub (3).
3. The vehicle maintenance-free hub assembly of claim 1, wherein: the inside cavity of wheel hub (3) is with this formation bearing installation cavity (8), non-maintaining bearing unit (4) agree with mutually with bearing installation cavity (8), one side joint of non-maintaining bearing unit (4) is in the bottom of bearing installation cavity (8), the opposite side of non-maintaining bearing unit (4) is located the tip of bearing installation cavity (8) and receives the spacing of brake disc (1).
4. The vehicle maintenance-free hub assembly of claim 1, wherein: the maintenance-free bearing unit (4) is provided with two tapered roller bearings which are symmetrically arranged, and the two tapered roller bearings are connected into a unit whole by a bearing hoop.
5. The vehicle maintenance-free hub assembly of claim 1, wherein: brake disc (1) is provided with brake disc connection chamber (9) for wheel hub (3) one side, brake disc connection chamber (9) suits with wheel hub (3), the front end cover of wheel hub (3) is closed in brake disc connection chamber (9), the tip that chamber (9) was connected to the brake disc is provided with braking ring flange (10), be provided with a plurality of brake disc connecting holes (11) that suit with bolt (7) on braking ring flange (10).
6. The vehicle maintenance-free hub assembly of claim 1, wherein: one side central point of brake disc (1) is the trompil form, the inside of trompil is provided with annular cavity (12) that suits with ring gear (2), ring gear (2) set up in annular cavity (12), just circumference is provided with a plurality of ring gear bolts (13) on ring gear (2), corresponds ring gear bolt (13) are provided with a plurality of screws in annular cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147564.XU CN214874006U (en) | 2021-05-26 | 2021-05-26 | Automobile maintenance-free hub assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147564.XU CN214874006U (en) | 2021-05-26 | 2021-05-26 | Automobile maintenance-free hub assembly |
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| Publication Number | Publication Date |
|---|---|
| CN214874006U true CN214874006U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121147564.XU Active CN214874006U (en) | 2021-05-26 | 2021-05-26 | Automobile maintenance-free hub assembly |
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| CN (1) | CN214874006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119658A (en) * | 2021-05-26 | 2021-07-16 | 郑州精通汽车零部件有限公司 | Maintenance-free hub assembly |
-
2021
- 2021-05-26 CN CN202121147564.XU patent/CN214874006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119658A (en) * | 2021-05-26 | 2021-07-16 | 郑州精通汽车零部件有限公司 | Maintenance-free hub assembly |
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