CN210599853U

CN210599853U - Conical hub bearing with play pre-adjusting structure

Info

Publication number: CN210599853U
Application number: CN201921378235.9U
Authority: CN
Inventors: 傅国庆; 傅国军; 傅国娥; 於振滔
Original assignee: Hangzhou Fu Auto Parts Co Ltd
Current assignee: Hangzhou Fu Auto Parts Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-22
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a take circular cone wheel hub bearing of play pre-adjustment structure, including wheel hub, inner circle and outer lane, the connecting hole has been seted up to the inside of inner circle, wheel hub is located the inside of connecting hole, and wheel hub and inner circle interference fit, the outer lane is located the outside of inner circle, the outer lane fixedly connected with of inner circle keeps the ware, the inside rotation that keeps the ware is connected with circular cone wheel, a plurality of oil filler points have been seted up to the inside of inner circle, the one end of oil filler point communicates with the side of inner circle, and the other end of oil filler point sets up the downside at circular cone wheel, the utility model relates to a circular cone wheel hub bearing technical field. This take circular cone wheel hub bearing of play pre-adjustment structure can change the interval between two regulating pulleys through the position of adjustment self-tightening bolt in the outer lane is inside to can let the same point of circular cone pulley contact the regulating pulley of different diameters, make things convenient for the bearing to change the play interval, the accumulative error of assembly is less, and the reliability is higher.

Description

Conical hub bearing with play pre-adjusting structure

Technical Field

The utility model relates to a circular cone wheel hub bearing technical field specifically is a circular cone wheel hub bearing of take play pre-adjustment structure.

Background

When the automobile hub is used, the tapered roller bearing is a radial thrust type rolling bearing with tapered rollers, has a small taper angle and a large taper angle, can bear pure radial load when being paired and configured, and has a bearing clearance which is a clearance between the rolling bodies of the bearing and shells of inner and outer rings of the bearing.

The size of the play of the conical bearing during operation influences the rolling fatigue life, temperature rise, noise, vibration and other performances of the bearing, but the existing conical bearing is inconvenient to adjust the clearance distance when in use, the adjusting steps are complex, the adjusting structure is complex, the accumulated assembly error is large, the reliability is low, and the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a take circular cone wheel hub bearing of play pre-adjustment structure has solved current circular cone bearing inconvenient regulation play interval when using, and the adjusting procedure is loaded down with trivial details to the adjustment structure is complicated, and the cumulative error of assembly is great, and the reliability is lower, and the problem of inconvenient maintenance.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a conical hub bearing with a play pre-adjusting structure comprises a hub, an inner ring and an outer ring, wherein the inner ring is provided with a connecting hole, the hub is positioned in the connecting hole, the hub is in interference fit with the inner ring, the outer ring is positioned at the outer side of the inner ring, the outer ring of the inner ring is fixedly connected with a retainer, the inner part of the retainer is rotatably connected with a cone pulley, a plurality of oil injection holes are arranged in the inner ring, one end of each oil injection hole is communicated with the side surface of the inner ring, the other end of the oil filling hole is arranged at the lower side of the conical pulley, the two sides of the inner ring at the opening of the oil filling hole are embedded and connected with sealing rings, an adjusting bin is arranged on the inner ring of the outer ring, an adjusting wheel is rotatably connected inside the adjusting bin, the outer lane embedding of outer lane is connected with the self-tightening bolt, the bottom embedding of self-tightening bolt is in one side of regulating wheel, the equal joint in both sides of outer lane has the shield.

Preferably, one end of the dustproof cover close to the outer ring is clamped with the outer ring through a clip structure, and a gap with a certain distance is formed between one end of the dustproof cover close to the inner ring and the inner ring.

Preferably, the outer surface of the outer ring is provided with a connecting groove, the oil injection hole, the conical pulley, the adjusting bin and the connecting groove are uniform in quantity, and an inner thread groove is formed in the lower side, close to the connecting groove, of the inner portion of the outer ring.

Preferably, the self-tightening bolt is embedded in the connecting groove and the internal thread groove, the self-tightening bolt comprises a threaded column and a connecting block, and the connecting block is fixedly connected with the threaded column.

Preferably, the connecting block is located inside the connecting groove and is engaged with the connecting groove, the length of the threaded column is greater than that of the internal thread groove, and the bottom end of the threaded column is fixedly connected with the conical column.

Preferably, the inside fixedly connected with connecting axle in adjustment storehouse, the adjustment wheel cover is established in the outside of connecting axle, and the quantity of adjustment wheel on same root connecting axle is two, two adjustment wheels mirror image on the connecting axle distributes, the both ends of connecting axle all are overlapped and are equipped with the elasticity pipe.

Preferably, the adjusting wheel comprises a conical wheel, and conical blocks are fixedly connected to one sides of the conical wheel, which face the self-tightening bolt.

Preferably, the inclination of the side surface of the conical wheel is equal to that of the side surface of the conical wheel, and the inclination of the side surface of the conical block is equal to that of the side surface of the conical cylinder in the self-tightening bolt.

Advantageous effects

The utility model provides a take circular cone wheel hub bearing of play pre-adjustment structure. Compared with the prior art, the method has the following beneficial effects:

(1) the conical hub bearing with the play pre-adjusting structure is characterized in that an adjusting bin is arranged on the inner ring of an outer ring, an adjusting wheel is rotatably connected inside the adjusting bin, a self-tightening bolt is embedded and connected on the outer ring of the outer ring, the bottom end of the self-tightening bolt is embedded on one side of the adjusting wheel, a connecting shaft is fixedly connected inside the adjusting bin, the adjusting wheel is sleeved on the outer side of the connecting shaft, the number of the adjusting wheels on the same connecting shaft is two, the two adjusting wheels are distributed on the connecting shaft in a mirror image manner, the adjusting wheels comprise conical wheels, one sides of the conical wheels, which face the self-tightening bolt, are fixedly connected with conical blocks, the device can change the distance between the two adjusting wheels by adjusting the position of the self-tightening bolt in the outer ring, therefore, the conical wheel can be in contact with adjusting wheels with different diameters at the same point, the clearance interval of the bearing can be conveniently changed, the accumulated assembly error is small, and the reliability is high.

(2) This take circular cone wheel hub bearing of play pre-adjustment structure, a plurality of oil filler points have been seted up through the inside of inner circle, the one end of oil filler point and the side intercommunication of inner circle, and the other end of oil filler point sets up the downside at the circular cone wheel, the both sides of inner circle are located the equal embedding of opening part of oil filler point and are connected with the sealing washer, the equal joint in both sides of outer lane has the shield, the shield is close to the one end of outer lane and carries out the joint through returning the shape structure with the outer lane, and the shield is close to the space that is provided with the certain distance between the one end of inner circle and the inner circle, shield and inner circle among the this device are disconnected with, and be provided with certain hole, the shield is conveniently moved in the time of changing the bearing play, and prevent that the inner circle from hindering.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is an exploded view of the adjusting structure of the present invention.

In the figure: 1. a hub; 2. an inner ring; 3. connecting holes; 4. a conical pulley; 5. a holder; 6. an oil filler hole; 7. a seal ring; 8. an outer ring; 9. adjusting the bin; 10. an adjustment wheel; 11. self-tightening bolts; 12. a dust cover; 13. connecting grooves; 14. an internal thread groove; 111. a threaded post; 112. connecting blocks; 113. a conical column; 101. a conical wheel; 102. a conical block; 91. and (7) connecting the shafts.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a conical hub bearing with a play pre-adjustment structure comprises a hub 1, an inner ring 2 and an outer ring 8, a connecting hole 3 is formed in the inner ring 2, the hub 1 is located in the connecting hole 3, the hub 1 is in interference fit with the inner ring 2, the outer ring 8 is located on the outer side of the inner ring 2, a retainer 5 is fixedly connected to the outer ring of the inner ring 2, a conical wheel 4 is rotatably connected to the interior of the retainer 5, a plurality of oil injection holes 6 are formed in the inner ring 2, one end of each oil injection hole 6 is communicated with the side face of the inner ring 2, the other end of each oil injection hole 6 is arranged on the lower side of the corresponding conical wheel 4, sealing rings 7 are embedded and connected to the opening portions of the oil injection holes 6 on the two sides of the inner ring 2, each sealing ring 7 is made of rubber, the sealing rings 7 can be clamped to the side face of the inner ring 2 through, the oil filling hole 6, the cone pulley 4, the adjusting bin 9 and the connecting groove 13 are all the same in quantity, the inner thread groove 14 is formed in the outer ring 8 close to the lower side of the connecting groove 13, the adjusting bin 9 is connected with an adjusting wheel 10 in a rotating mode, the adjusting bin 9 is fixedly connected with a connecting shaft 91 in the adjusting bin, the adjusting wheel 10 is sleeved on the outer side of the connecting shaft 91, the number of the adjusting wheels 10 on the same connecting shaft 91 is two, the two adjusting wheels 10 are distributed on the connecting shaft 91 in a mirror image mode, the two ends of the connecting shaft 91 are both sleeved with an elastic tube 92, the elastic tube 92 comprises a fixed tube, one end of the fixed tube is connected with the adjusting wheel 10, a sleeve is sleeved on the outer side of the fixed tube, a spring ball is filled between the two tubes, the adjusting wheel 10 comprises a cone pulley 101, one side of the cone pulley 101, which faces the self-tightening, the inclination of the side surface of the conical block 102 is equal to the inclination of the side surface of the conical cylinder 113 in the self-tightening bolt 11, the self-tightening bolt 11 is embedded and connected to the outer ring of the outer ring 8, the self-tightening structure is arranged at the connection position of the self-tightening bolt 11 and the connection groove 13 to prevent shaking in use, the bottom end of the self-tightening bolt 11 is embedded into one side of the adjusting wheel 10, the self-tightening bolt 11 is embedded into the connection groove 13 and the inner thread groove 14, the self-tightening bolt 11 comprises a thread cylinder 111 and a connection block 112, the connection block 112 is fixedly connected with the thread cylinder 111, the connection block 112 is positioned inside the connection groove 13 and is in meshed connection with the connection groove, the length of the thread cylinder 111 is larger than that of the inner thread groove 14, and the conical cylinder 113 is fixedly connected to the bottom end of the thread cylinder 111, the device can change the distance between the two adjusting wheels 10 by adjusting the position of the self-tightening bolt 11 inside the, the bearing is convenient to change the clearance distance, the accumulated assembly error is small, the reliability is high, the two sides of the outer ring 8 are respectively clamped with the dustproof cover 12, one end of the dustproof cover 12 close to the outer ring 8 is clamped with the outer ring 8 through a clip structure, a gap with a certain distance is arranged between one end of the dustproof cover 12 close to the inner ring 2 and the inner ring 2, the gap of the gap is 70 mu m, the dustproof cover 12 in the device is not connected with the inner ring 2 and is provided with a certain gap, the dustproof cover 12 is convenient to move when the bearing clearance is changed, the dustproof cover 12 is prevented from being blocked by the inner ring 2, meanwhile, lubricating oil is conveniently added when the bearing is used, the bearing is convenient to maintain,

during operation, the self-tightening bolt 11 is rotated, the threaded column 111 in the self-tightening bolt 11 can move in the internal threaded groove 14, and when the threaded column 111 moves, the conical column 113 of the self-tightening bolt 11 is driven to move between the conical blocks 102 of the two adjusting wheels 10, when the conical column 113 ascends, the diameter of the position in the same contact with the two conical blocks 102 is reduced, the adjusting wheels 10 can retract along the connecting shaft 91 under the driving of the spring balls in the elastic tube 92, when the adjusting wheels 10 retract inwards, the diameter of the adjusting wheels 10 in contact with the same parts of the two conical wheels 4 is reduced, so that the clearance between the inner ring 2 and the outer ring 8 is reduced, when the conical column 113 descends between the two conical blocks 102, the adjusting wheels 10 can slide outwards along the connecting shaft 91, so that the clearance between the inner ring 2 and the outer ring 8 can be increased, and when adjustment is performed, adjustment can be performed from different positions of the outer ring 8 as required, when maintenance is needed, the sealing ring 7 is taken down from the inner ring 2, lubricating oil is smeared on the conical wheel 4 through the oil filling hole 6, and when the conical wheel 4 rotates, the lubricating oil can be smeared on the adjusting wheel 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take circular cone wheel hub bearing of play pre-adjustment structure, includes wheel hub (1), inner circle (2) and outer lane (8), connecting hole (3) have been seted up to the inside of inner circle (2), wheel hub (1) is located the inside of connecting hole (3), and wheel hub (1) and inner circle (2) interference fit, outer lane (8) are located the outside of inner circle (2), its characterized in that: the outer ring of the inner ring (2) is fixedly connected with a retainer (5), the inner part of the retainer (5) is rotatably connected with a conical wheel (4), a plurality of oil filling holes (6) are formed in the inner ring (2), one end of each oil filling hole (6) is communicated with the side surface of the inner ring (2), the other end of the oil filling hole (6) is arranged at the lower side of the conical pulley (4), sealing rings (7) are embedded and connected at the opening parts of the oil filling hole (6) at the two sides of the inner ring (2), an adjusting bin (9) is arranged on the inner ring of the outer ring (8), an adjusting wheel (10) is rotatably connected inside the adjusting bin (9), the utility model discloses a dustproof cover, including outer lane (8), the bottom embedding of self-tightening bolt (11), the equal joint in both sides of outer lane (8) has shield (12) from one side of adjusting wheel (10), the outer lane embedding of outer lane (8) is connected with self-tightening bolt (11).

2. The conical hub bearing with a play pre-adjustment structure according to claim 1, characterized in that: one end of the dustproof cover (12) close to the outer ring (8) is connected with the outer ring (8) in a clamping mode through a clip-shaped structure, and a gap with a certain distance is formed between one end of the dustproof cover (12) close to the inner ring (2) and the inner ring (2).

3. The conical hub bearing with a play pre-adjustment structure according to claim 1, characterized in that: connecting groove (13) have been seted up to the surface of outer lane (8), the quantity of oil filler point (6), circular cone wheel (4), adjustment storehouse (9) and connecting groove (13) is all unanimous, internal thread groove (14) have all been seted up to the inside downside that is close to connecting groove (13) of outer lane (8).

4. The conical hub bearing with a play pre-adjustment structure according to claim 3, characterized in that: the self-tightening bolt (11) is embedded in the connecting groove (13) and the internal thread groove (14), the self-tightening bolt (11) comprises a threaded column (111) and a connecting block (112), and the connecting block (112) is fixedly connected with the threaded column (111).

5. The conical hub bearing with a play pre-adjustment structure according to claim 4, characterized in that: the connecting block (112) is located inside the connecting groove (13) and is meshed with the connecting groove, the length of the threaded column (111) is larger than that of the inner threaded groove (14), and the bottom end of the threaded column (111) is fixedly connected with a conical column (113).

6. The conical hub bearing with a play pre-adjustment structure according to claim 3, characterized in that: the inside fixedly connected with connecting axle (91) in adjustment storehouse (9), the outside at connecting axle (91) is established to regulating wheel (10) cover, and quantity of regulating wheel (10) on same connecting axle (91) is two, two regulating wheels (10) mirror image distribution on connecting axle (91), the both ends of connecting axle (91) all overlap and are equipped with elastic tube (92).

7. The conical hub bearing with a play pre-adjustment structure according to claim 6, characterized in that: the adjusting wheel (10) comprises a conical wheel (101), and conical blocks (102) are fixedly connected to one side, facing the self-tightening bolt (11), of the conical wheel (101).

8. The conical hub bearing with a play pre-adjustment structure according to claim 7, characterized in that: the inclination of the side surface of the conical wheel (101) is equal to that of the side surface of the conical wheel (4), and the inclination of the side surface of the conical block (102) is equal to that of the side surface of the conical column (113) in the self-tightening bolt (11).