CN219263010U

CN219263010U - Automobile hub bearing locking structure

Info

Publication number: CN219263010U
Application number: CN202320719091.9U
Authority: CN
Inventors: 廖舟; 张熙; 周涛; 陈忠敏; 郭凯; 孙伟元; 吴治国
Original assignee: Sichuan Jian'an Industrial Ltd
Current assignee: Sichuan Jian'an Industrial Ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-27
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to an automobile hub bearing locking structure which comprises a rear hub, a bearing and a shaft tube, wherein the shaft tube is sleeved into an inner ring of the bearing, an outer ring of the bearing is fixed on the rear hub, a plurality of wheel bolts are uniformly distributed at the outer end of the rear hub, a gear ring is connected to the left end of the rear hub, a baffle plate for holes is arranged at the left end of the outer ring of the bearing, the outer end face of the baffle plate for holes is fixed on the rear hub, a point-willow type locking nut is arranged at the right end of the inner ring of the bearing, and the point-willow type locking nut is sleeved on the shaft tube. The bearing is clamped and fixed in the inner cavity of the rear hub through the point-willow type lock nut, the bearing is not required to be fixed on the lock nut through bolts, and the tool pins are prevented from being broken by applying torque.

Description

Automobile hub bearing locking structure

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an automobile hub bearing locking structure.

Background

The automobile wheel hub and the knuckle are supported by the hub bearing, the wheel hub rotates around the hub bearing during running of the automobile, meanwhile, the weight borne by the wheel is transferred to the knuckle by the hub bearing, the hub bearing is generally pressed on the knuckle by a lock nut according to an accurate pretightening force, if the pretightening force is too small, the nut is easy to loosen, the internal clearance of the hub bearing is large, the bearing is rapid in abrasion, the wheel hub shakes, and the running stability of the automobile is affected; if the pre-tightening force is too large, the hub bearing is compressed too tightly, the abrasion inside the bearing is easy to generate heat and ablate, the rotation resistance is increased, and the running oil consumption of the vehicle is increased, so that the locking nut of the hub bearing is required to be firmly screwed according to the specified pre-tightening force, and looseness is avoided.

Two-end hub bearing locking structure is along using double-tyre fuel car structure, borrows 43001 wheel hub lock nut and 43001 wheel hub nut locking plate, and in the current assembly process, there are following two problems: 1. the aperture of the locking nut pin hole is small, and the tool pin is easy to break off in the moment application process; 2. the tool head is easy to slip, assembly is time-consuming and labor-consuming, the types and the number of the parts are more, the production cost is higher, the assembly is complex, and the assembly efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an automobile hub bearing locking structure, which is characterized in that a point-willow type locking nut is used for clamping and fixing a bearing in an inner cavity of a rear hub, a bolt is not required to be used for fixing the bearing on the locking nut, and a tool pin is prevented from being broken by applying moment.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an automobile hub bearing locking structure, includes back wheel hub, bearing and central siphon, the inner circle of bearing is emboliaed to the central siphon, the outer lane of bearing is fixed back wheel hub, back wheel hub's outer end evenly distributed has a plurality of wheel bolts, back wheel hub's left end is connected with the ring gear, the outer lane left end of bearing is provided with the baffle for the hole, the outer terminal surface of baffle for the hole is fixed on back wheel hub, the inner circle right-hand member of bearing is provided with some willow formula lock nut, some willow formula lock nut overlaps on the central siphon.

The point willow type lock nut comprises a ring body, an inner cavity of the ring body is sleeved on the shaft tube, and a plurality of notches are uniformly distributed on the outer end face of the ring body.

The right side wall of the point willow type locking nut is a flat surface, a boss is arranged on the left side wall of the point willow type locking nut, and the flat surface corresponds to the right side surface of the inner ring of the bearing.

The gear ring is an ABS gear ring, and the baffle plate for holes is a baffle ring for holes.

The beneficial effects of the utility model are as follows:

1. the inner cavity of the rear hub is fixed by the point-willow type lock nut in a clamping manner, the lock nut is not required to be used for fixing the bearing by bolts, the tool pins are prevented from being broken off by applying torque, the number of parts of the hub bearing unit of the driving wheel of the automobile is reduced, the assembly accumulated error is reduced, the whole rigidity is enhanced, the structure is compact, the assembly performance is good, the inner ring is fixed and stable, the structure of the lock nut pin hole is avoided, the installation adjustment and maintenance of the hub bearing unit are also convenient, the internal clearance of the bearing is accurate, the pre-tightening is preset, the bearing capacity is high, and the reliability is good.

2. Through set up a plurality of breach on some willow formula lock nuts, the cooperation of frock when the assembly of being convenient for.

3. The ABS gear ring is used for generating ABS signal detection, and the check ring is used for axial positioning of the bearing.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a snap lock nut;

FIG. 3 is a schematic front view of FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 2;

the figure shows: 1-a wheel bolt; 2-a rear hub; 3-gear ring; 4-baffle for hole; 5-bearing; 6-point willow type lock nuts; 7-shaft tube; 61-ring body; 62-notch.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

As shown in fig. 1 to 4, an automobile hub bearing locking structure comprises a rear hub 2, a bearing 5 and a shaft tube 7, wherein the shaft tube 7 is sleeved into an inner ring of the bearing 5, the rear hub 2 is fixed on an outer ring of the bearing 5, a plurality of wheel bolts 1 are uniformly distributed at the outer end of the rear hub 2, a gear ring 3 is connected to the left end of the rear hub 2, a baffle 4 for holes is arranged at the left end of the outer ring of the bearing 5, the outer end face of the baffle 4 for holes is fixed on the rear hub 2, a point-willow type locking nut 6 is arranged at the right end of the inner ring of the bearing 5, and the point-willow type locking nut 6 is sleeved on the shaft tube 7.

The point willow type lock nut 6 comprises a ring body 61, an inner cavity of the ring body 61 is sleeved on the shaft tube 7, and a plurality of notches 62 are uniformly distributed on the outer end face of the ring body 61.

The right side wall of the point willow type locking nut 6 is a flat surface, a boss is arranged on the left side wall, and the flat surface corresponds to the right side surface of the inner ring of the bearing 5.

The gear ring 3 is an ABS gear ring, and the hole baffle 4 is a hole baffle ring.

The inner cavity of the rear hub is fixed by the point-willow type lock nut 6, a bolt is not needed to be used for fixing the bearing on the lock nut, the tool pins are prevented from being broken off by applying torque, the number of parts of the hub bearing unit of the driving wheel of the automobile is reduced, the assembly accumulated error is reduced, the whole rigidity is enhanced, the structure is compact, the assembly performance is good, the inner ring is fixed and stable, the structure of the lock nut pin hole is avoided, the installation adjustment and maintenance of the hub bearing unit are also convenient, the internal clearance of the bearing is accurate, the pre-tightening is preset, the bearing capacity is high, and the reliability is good.

By providing a plurality of notches 62 on the snap lock nut 6, the fit of the tooling during assembly is facilitated.

The ABS gear ring is used for generating ABS signal detection, the ABS gear ring rotates along with the vehicle tires, thereby generating wheel speed signals, alternating current generated by the sensor is transmitted to the ECU, after the ECU is used for carrying out data analysis by the ABS signal gear ring, judging the speed of the wheels, preventing the tires from locking, an electromagnetic coil capable of generating magnetic force lines is arranged in the wheel speed sensor, the electromagnetic coil is arranged on a fixed part near the wheels, the ABS signal gear ring is arranged on a wheel hub, the wheels rotate to drive the ABS signal gear ring to rotate, the ABS signal gear ring cuts the magnetic force lines to enable the electromagnetic coil in the sensor to induce, the pulse rate of the electromagnetic coil is in direct proportion to the wheel speed and is transmitted into an electronic controller, the wheel speed signals generated by the ABS signal gear ring through the rotation of the wheels are transmitted to an ABS system, and the ABS signal gear coil is used for testing and detecting the wheel speed and is used for axial positioning of the bearing 5 through a hole retainer ring.

The shaft tube 7 is provided with a boss, and the inner ring of the bearing 5 is clamped between the boss and the point willow type locking nut 6. Thereby fixing the inner race of the bearing 5.

The gear ring 3 is sleeved at the left end of the rear hub 2, the baffle 4 for holes is clamped into the inner cavity of the rear hub 2, the bearing 5 is arranged in the inner cavity of the rear hub 2, the bearing 5 is opposite to the baffle 4 for holes, the baffle 4 for holes axially positions the bearing 5, the right end of the shaft tube 7 penetrates through the inner ring of the bearing 5, the point-willow type locking nut 6 is clamped on the right end of the shaft tube 7 through a tool, the left side wall of the point-willow type locking nut 6 contacts the right side wall of the inner ring of the bearing 5, the point-willow type locking nut 6 fixes the shaft tube 7 in the bearing 5, during operation, the shaft tube 7 is welded on an axle housing, the axle housing is arranged on a frame, the shaft tube 7 is static relative to a vehicle, the inner ring of the bearing 5 and the point-willow type locking nut 6 follow the shaft tube 7, and the wheel bolts 1, the rear hub 3, the gear ring 3 and the outer ring of the bearing 5 are in a rotating state relative to the shaft tube 7.

The above description is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an automobile hub bearing locking structure, includes rear wheel hub (2), bearing (5) and central siphon (7), its characterized in that: the novel hub is characterized in that the shaft tube (7) is sleeved into the inner ring of the bearing (5), the outer ring of the bearing (5) is fixedly arranged on the rear hub (2), a plurality of wheel bolts (1) are uniformly distributed at the outer end of the rear hub (2), the left end of the rear hub (2) is connected with the gear ring (3), the left end of the outer ring of the bearing (5) is provided with the baffle (4) for holes, the outer end face of the baffle (4) for holes is fixed on the rear hub (2), the right end of the inner ring of the bearing (5) is provided with a salix locking nut (6), and the salix locking nut (6) is sleeved on the shaft tube (7).

2. A vehicle hub bearing locking arrangement as claimed in claim 1, wherein; the point willow type lock nut (6) comprises a ring body (61), an inner cavity of the ring body (61) is sleeved on the shaft tube (7), and a plurality of notches (62) are uniformly distributed on the outer end face of the ring body (61).

3. A vehicle hub bearing locking arrangement as claimed in claim 1, wherein; the right side wall of the point willow type locking nut (6) is a flat surface, a boss is arranged on the left side wall, and the flat surface corresponds to the right side surface of the inner ring of the bearing (5).

4. A vehicle hub bearing locking arrangement as claimed in claim 1, wherein; the gear ring (3) is an ABS gear ring, and the hole baffle (4) is a hole retainer ring.