Integrated automobile hub bearing

Abstract

The utility model discloses an integrated automobile hub bearing, which relates to the field of hub bearings and comprises a bearing body, a sealing component is arranged on the outer side of the bearing body, the bearing body comprises a bearing inner ring, and a bearing shell is rotatably connected to the outer side of the bearing inner ring. And bearing grooves are formed in the outer side of the bearing inner ring and the inner side of the bearing outer ring. By adopting the structure, the position of the circular groove is matched with the position of the clamping groove, and then the ball pops out of the movable cavity under the action of the spring and stays at the position of the tightening opening, so that the ball is clamped with the clamping grooves of the first mounting groove and the second mounting groove, and the mounting effect can be achieved after clamping is completed; and therefore, the joint of the bearing body can be sealed under the action of the sealing plate, and the situation that the service life of the bearing body is shortened due to the fact that impurities enter the bearing body can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of wheel hub bearing, especially relates to an integrated automobile wheel hub bearing. BACKGROUND

[0002] As a new variety of bearings, wheel hub bearings have been favored by the domestic and foreign automobile markets. The third generation of wheel hub bearings is updated on the basis of the first and second generations of wheel hub bearings and has reached a quite mature and practical stage. The third generation of wheel hub bearings for driving wheels currently comprises a flange outer ring, a flange large inner ring, a small inner ring, steel balls, a retainer and a sealing assembly. The flange large inner ring is provided with an inner spline hole for cooperating with an outer spline of a driving shaft to realize rotation of the wheel.

[0003] A novel integrated wheel hub bearing is disclosed in Chinese Patent No. CN210371651U, which comprises a bearing fixing seat, a buffer damping mechanism and a limiting mechanism. The buffer damping mechanism comprises an outer ring fixedly connected to the inner side surface of the bearing fixing seat. The inner side surface of the outer ring is annularly arrayed with threaded reserved grooves. A threaded clamping column is fixedly sleeved in the threaded reserved grooves. One end of the threaded clamping column is connected with a support rod, and one end of the support rod is fixedly connected with an elastic support. The design of the elastic support, the support rod and the threaded clamping column provides a buffer space for the connection between the first inner ring, the second inner ring and the outer ring, thereby reducing the vibration damage of the bearing. The threaded screwing connection design between the threaded clamping column and the threaded reserved grooves facilitates the rotation adjustment of the distance between the elastic support and the surface of the first inner ring and the outer ring, so that the buffer space of the first inner ring can be changed according to actual needs.

[0004] However, the existing automobile wheel hub bearings do not have good sealing effect, so that the connection is communicated with the outside world, dust and gravel are easy to enter, mix with the lubricating oil at the bearing, produce a mixture, which is not easy to clean, the mixture will enter the bearing interior along with the rotation of the bearing, affect the rotation of the bearing, thereby damage the bearing, and there is certain limitation. Therefore, a wheel hub bearing with good sealing performance is proposed. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model aims to provide an integrated automobile wheel hub bearing to solve the problems mentioned in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] The utility model provides an integrated automobile wheel hub bearing, including bearing body, the outside of bearing body is equipped with sealing assembly, bearing body includes bearing inner race, the outside of bearing inner race is rotatably connected with bearing shell, the outside of bearing inner race and the inside of bearing outer ring all are equipped with bearing groove, the inside of bearing groove is movably connected with mounting bracket, the inside of mounting bracket all is rotatably connected with roll, sealing assembly includes the second installation groove of setting in bearing inner race both ends, the both ends of bearing outer ring all are equipped with first installation groove, the inside of first installation groove is connected with first installation board, the inside of second installation groove is connected with second installation board, the other end of first installation board and second installation board all are fixedly connected with sealing plate, the inside and outside of first installation board and second installation board all are equipped with round groove, the inside of round groove is fixedly connected with spring, the inside of round groove all is movably connected with ball, and the other end of spring is movably connected with ball.

[0008] As a preferred technical scheme, the outer side of the bearing body is fixedly connected with an inner flange, the other end of the inner flange is fixedly connected with an outer flange, the surface of the outer flange is provided with a mounting screw hole, and the inside of the mounting screw hole is threadedly connected with a mounting screw rod.

[0009] As a preferred technical scheme, the first installation groove and the second installation groove each include a clamping groove provided at the two ends of the bearing inner race and the bearing outer ring, the outer side of the clamping groove is provided as a connecting groove, the first installation plate and the second installation plate are mutually inserted into the connecting groove, and the balls are mutually clamped with the clamping grooves.

[0010] As a preferred technical scheme, the round groove includes a movable cavity provided at the inner and outer sides of the first installation plate and the second installation plate, the outer side of the movable cavity is provided as a tightening opening, the spring is provided in the inside of the movable cavity, and the balls are movably connected in the inside of the movable cavity.

[0011] As a preferred technical scheme, the outer side of the sealing plate is provided with a sealing sliding groove, the inside of the sealing sliding groove is provided with an oil filling hole, one side of the sealing sliding groove is fixedly connected with a limiting sliding rod, the outer side of the limiting sliding rod is slidably inserted with a sealing sliding block, and the sealing sliding block and the sealing sliding groove are mutually slidably connected.

[0012] As a preferred technical scheme, the inner side of the sealing sliding groove and one end of the sealing sliding block are mutually magnetically connected, one side of the inside of the sealing sliding groove is fixedly connected with a magnet block, one end of the sealing sliding block is provided with a magnet slot, and the magnet block and the magnet slot are mutually magnetically connected.

[0013] As a preferred technical scheme, the rubber ring fixedly connected with a plurality of hard film is arranged at the inner side of the oil filling hole of the sealing plate, and the hard films are movably connected with each other at the corners.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, the utility model discloses a sealing assembly, when using, the first mounting plate and the second mounting plate are respectively inserted with the first installation groove and the second installation groove, the ball is extruded into the inside of the movable cavity in the process of inserting, then the first mounting plate and the second mounting plate are inserted, the position of the circular groove is consistent with the position of the clamping groove, then the ball is ejected from the movable cavity and stays in the position of the tightening mouth under the action of the spring, the ball is clamped with the clamping groove of the first installation groove and the second installation groove, so that the installation effect can be achieved after clamping, and the connection of the bearing body can be sealed under the action of the sealing plate, so that the impurities can be prevented from entering the inside of the bearing body and reducing the service life of the bearing body.

[0016] Second, when the inside of the bearing body needs to be filled with lubricating oil, the sealing slider is slid backward to move to the other side of the sealing sliding groove, and the oil filling hole is exposed when the sealing slider moves to the other side, so that the oil filling effect can be achieved through the oil filling hole after the oil filling hole is exposed, and the dropper can be inserted into the inside of the oil filling hole when filling oil, and the plurality of hard films can be separated under pressure when the dropper contacts the hard film, so that the lubricating oil can be added, and the dropper can be pulled out after adding to make the hard films gather together in a closed state, so that the melting oil leakage can be avoided, and the practicability of the device is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the structural schematic diagram of the first installation groove of the utility model;

[0019] Figure 3 It is the structural schematic diagram of the sealing assembly of the utility model;

[0020] Figure 4 It is the structural schematic diagram of the sealing assembly of the utility model; Figure 3 It is the side view structural schematic diagram of the utility model.

[0021] Mark No.: 1, bearing body; 111, bearing outer ring; 112, bearing inner ring; 113, bearing groove; 114, mounting frame; 115, roller; 2, inner flange plate; 3, outer flange plate; 4, mounting screw hole; 5, mounting screw; 6, sealing assembly; 61, first mounting groove; 611, clamping groove; 612, connecting groove; 62, second mounting groove; 63, second mounting plate; 64, first mounting plate; 65, sealing plate; 66, circular groove; 661, tightening opening; 662, movable cavity; 67, spring; 68, ball; 7, sealing sliding groove; 8, limiting sliding rod; 9, sealing sliding block; 10, oil filling hole; 11, magnet block; 12, rubber ring; 13, hard film. DETAILED DESCRIPTION

[0022] EMBODIMENT

[0023] REFERENCE Figures 1 to 4 The integrated automobile wheel hub bearing comprises a bearing body 1, the outer side of the bearing body 1 is provided with a sealing assembly 6, the bearing body 1 comprises a bearing inner ring 112, the outer side of the bearing inner ring 112 is rotationally connected with a bearing outer shell, the outer side of the bearing inner ring 112 and the inner side of a bearing outer ring 111 are both provided with bearing grooves 113, the inside of the bearing grooves 113 is movably connected with mounting frames 114, the inside of the mounting frames 114 is rotationally connected with rollers 115, the sealing assembly 6 comprises second mounting grooves 62 arranged at both ends of the bearing inner ring 112, both ends of the bearing outer ring 111 are provided with first mounting grooves 61, the inside of the first mounting grooves 61 is clamped with first mounting plates 64, the inside of the second mounting grooves 62 is clamped with second mounting plates 63, the other end of the first mounting plates 64 and the second mounting plates 63 are both fixedly connected with sealing plates 65, the inside and outside of the first mounting plates 64 and the second mounting plates 63 are both provided with circular grooves 66, the inside of the circular grooves 66 is fixedly connected with springs 67, the inside of the circular grooves 66 is movably connected with balls 68, the other end of the springs 67 is movably connected with the balls 68.

[0024] REFERENCE Figure 1 AND Figure 2 The outer side of the bearing body 1 is fixedly connected with an inner flange plate 2, the other end of the inner flange plate 2 is fixedly connected with an outer flange plate 3, the surface of the outer flange plate 3 is provided with a mounting screw hole 4, the inside of the mounting screw hole 4 is threadedly connected with a mounting screw 5; the inner flange plate 2 and the outer flange plate 3 are mainly arranged for mounting the wheel hub bearing.

[0025] REFERENCE Figure 2 AND Figure 4The first mounting groove 61 and the second mounting groove 62 each comprise a clamping groove 611 arranged at both ends of the bearing inner ring 112 and the bearing outer ring 111, the outer side of the clamping groove 611 is provided as a connecting groove 612, the first mounting plate 64 and the second mounting plate 63 are mutually inserted with the connecting groove 612, the ball 68 is mutually clamped with the clamping groove 611, and the circular groove 66 comprises a movable cavity 662 arranged at the inner and outer sides of the first mounting plate 64 and the second mounting plate 63, the outer side of the movable cavity 662 is provided as a tightening opening 661, the spring 67 is arranged inside the movable cavity 662, and the ball 68 is movably connected inside the movable cavity 662; by arranging the first mounting groove 61 and the second mounting groove 62 with the clamping groove 611 and the connecting groove 612, the first mounting plate 64 and the second mounting plate 63 can be inserted to enable the clamping groove 611 to be inserted with the ball 68, so that the sealing assembly 6 can be conveniently clamped, the clamping groove 611 and the connecting groove 612 are in the shape of a Chinese character, the width of the clamping groove 611 is greater than the width of the connecting groove 612, and by arranging the circular groove 66 with the movable cavity 662 and the tightening opening 661, the ball 68 can move inside the movable cavity 662, and the ball 68 can be prevented from falling inside the circular groove 66 under the action of the tightening opening 661.

[0026] With reference to Figure 3 The outer side of the sealing plate 65 is provided with a sealing sliding groove 7, the inside of the sealing sliding groove 7 is provided with an oil filling hole 10, one side of the sealing sliding groove 7 is fixedly connected with a limiting sliding rod 8, the outer side of the limiting sliding rod 8 is slidably inserted with a sealing sliding block 9, the sealing sliding block 9 is slidably connected with the sealing sliding groove 7, the inner side of the sealing sliding groove 7 is magnetically connected with one end of the sealing sliding block 9, one end of the sealing sliding block 9 is provided with a magnet groove, and the magnet block 11 is magnetically connected with the magnet groove; by sliding the sealing sliding block 9 backward, the sealing sliding block 9 is moved to the other side of the sealing sliding groove 7, and when the sealing sliding block 9 is moved to the other side, the oil filling hole 10 is exposed, so that the oil filling effect can be achieved through the oil filling hole 10 after the oil filling hole 10 is exposed.

[0027] With reference to Figure 4 The rubber ring 12 is fixedly connected to the inner side of the sealing plate 65, a plurality of hard sheet membranes 13 are fixedly connected to the inner side of the rubber ring 12, and the corners of the hard sheet membranes 13 are movably connected to each other; by inserting the dropper into the inside of the oil filling hole 10, when the dropper contacts the hard sheet membranes 13, the plurality of hard sheet membranes 13 will be separated under pressure, so that the lubricating oil can be added, and after the addition is completed, the dropper can be pulled out, so that the hard sheet membranes 13 are not under pressure and the hard sheet membranes 13 are gathered together to form a closed state, thereby avoiding the leakage of the melted oil.

[0028] Principle and advantages: when using, first, the bearing body 1 and the inner flange plate 2 and the outer flange plate 3 are connected, then the first mounting plate 64 and the second mounting plate 63 are respectively inserted with the first mounting groove 61 and the second mounting groove 62, so that the ball 68 is extruded into the movable cavity 662 by the connecting groove 612 during the insertion, then the first mounting plate 64 and the second mounting plate 63 are continued to be inserted, so that the position of the circular groove 66 is consistent with the position of the clamping groove 611, then the ball 68 is ejected from the movable cavity 662 under the action of the spring 67 and stays at the position of the tightening port 661, so that the ball 68 is clamped with the clamping groove 611 of the first mounting groove 61 and the second mounting groove 62, so that the installation effect can be achieved after clamping, and the relative sealing effect between the bearing body 1 can be achieved after installation, and by arranging the first mounting groove 61 and the second mounting groove 62 with the clamping groove 611 and the connecting groove 612, the first mounting plate 64 and the second mounting plate 63 can be inserted to be clamped with the ball 68 through the clamping groove 611, so that the sealing assembly 6 can be conveniently clamped, the clamping groove 611 and the connecting groove 612 are convex, the width of the clamping groove 611 is greater than the width of the connecting groove 612, and the circular groove 66 with the movable cavity 662 and the tightening port 661 can be arranged to make the ball 68 move in the movable cavity 662, and the ball 68 can be prevented from falling into the circular groove 66 under the action of the tightening port 661, and when the bearing body 1 is oiled, the sealing sliding block 9 is slid backward to move to the other side of the sealing sliding groove 7, and when the sealing sliding block 9 moves to the other side, the oil hole 10 is exposed, so that the oiling effect can be achieved through the oil hole 10 after the oil hole 10 is exposed, and the oiling can be achieved by inserting the dropper into the oil hole 10, and when the dropper contacts the hard film 13, the hard film 13 is pressed and separated to add the lubricating oil, and finally the inner flange plate 2 and the outer flange plate 3 are arranged to install the hub bearing.

Claims

1. An integrated automotive wheel hub bearing characterized by: The application relates to a bearing body (1) provided with a sealing assembly (6) on the outer side of the bearing body (1), the bearing body (1) comprises a bearing inner ring (112), the outer side of the bearing inner ring (112) is rotationally connected with a bearing outer shell, the outer side of the bearing inner ring (112) and the inner side of a bearing outer ring (111) are both provided with bearing grooves (113), the inner sides of the bearing grooves (113) are movably connected with mounting racks (114), the inner sides of the mounting racks (114) are rotationally connected with rollers (115), the sealing assembly (6) comprises second mounting grooves (62) arranged at the two ends of the bearing inner ring (112), the two ends of the bearing outer ring (111) are both provided with first mounting grooves (61), the inner sides of the first mounting grooves (61) are clamped with first mounting plates (64), the inner sides of the second mounting grooves (62) are clamped with second mounting plates (63), the other ends of the first mounting plates (64) and the second mounting plates (63) are fixedly connected with sealing plates (65), the inner and outer sides of the first mounting plates (64) and the second mounting plates (63) are both provided with circular grooves (66), the inner sides of the circular grooves (66) are fixedly connected with springs (67), and the inner sides of the circular grooves (66) are movably connected with rolling balls (68); the other ends of the springs (67) are movably connected with the rolling balls (68).

2. An integrated automotive wheel hub bearing according to claim 1, characterized in that: The outer side of the bearing body (1) is fixedly connected with an inner flange plate (2), the other end of the inner flange plate (2) is fixedly connected with an outer flange plate (3), the surface of the outer flange plate (3) is provided with mounting screw holes (4), and the inner sides of the mounting screw holes (4) are screwedly connected with mounting screw rods (5).

3. An integrated automotive wheel hub bearing according to claim 1, wherein: The first mounting grooves (61) and the second mounting grooves (62) both comprise clamping grooves (611) arranged at the two ends of the bearing inner ring (112) and the bearing outer ring (111), the outer sides of the clamping grooves (611) are provided with connecting grooves (612), the first mounting plates (64) and the second mounting plates (63) are mutually inserted with the connecting grooves (612), and the rolling balls (68) are mutually clamped with the clamping grooves (611).

4. An integrated automotive wheel hub bearing according to claim 1, wherein: The circular grooves (66) comprise movable cavities (662) arranged at the inner and outer sides of the first mounting plates (64) and the second mounting plates (63), the outer sides of the movable cavities (662) are provided with tightening openings (661), the springs (67) are arranged in the inner sides of the movable cavities (662), and the rolling balls (68) are movably connected in the inner sides of the movable cavities (662).

5. An integrated automotive wheel hub bearing according to claim 1, wherein: The outer side of the sealing plate (65) is provided with a sealing sliding groove (7), the inner side of the sealing sliding groove (7) is provided with an oiling hole (10), one side of the sealing sliding groove (7) is fixedly connected with a limiting sliding rod (8), the outer side of the limiting sliding rod (8) is slidably inserted with a sealing sliding block (9), and the sealing sliding block (9) and the sealing sliding groove (7) are slidably connected.

6. An integrated automotive wheel hub bearing according to claim 5, wherein: The inner side of the sealing sliding groove (7) is magnetically connected with one end of a sealing sliding block (9), one side of the inner part of the sealing sliding groove (7) is fixedly connected with a magnet block (11), one end of the sealing sliding block (9) is provided with a magnet groove, and the magnet block (11) is magnetically connected with the magnet groove.

7. An integrated automotive wheel hub bearing according to claim 5, wherein: The oiling hole (10) is fixedly connected with a rubber ring (12) on the inner side of the sealing plate (65), the inner side of the rubber ring (12) is fixedly connected with a plurality of hard sheet films (13), and the corners of the hard sheet films (13) are movably connected with each other.

Images