CN216742450U - Wheel bearing with magnetic encoder - Google Patents

Abstract

The utility model belongs to car bearing application apparatus field especially relates to a bearing for wheel with magnetic encoder, including the wheel bearing body, the wheel bearing body including inside and outside inner flange and the outer flange that sets up, the holder in evenly be provided with a plurality of rolling elements, holder one side be provided with the magnetic encoder, the edge of inner flange one end be provided with the spring leaf that is the S-shaped design, end cover in be provided with the sealed buffering circle that the cross-section is E shape design, the position of sealed buffering circle corresponding with the mounted position of magnetic encoder. The utility model relates to a rationally, simple structure, processing convenience and can effectively avoid the device equipment in use's axle load too big, in order to guarantee that it has good security in the use, promote the protective properties to equipment unit, in order to reduce its possibility of taking place the damage, effectively prolong the life of equipment, reduce economic cost and satisfy people's user demand.

Description

Wheel bearing with magnetic encoder

Technical Field

The utility model belongs to car bearing application apparatus field especially relates to a bearing for wheel with magnetic encoder.

Background

A wheel bearing device, i.e., a hub bearing, is generally known, which can support a wheel with respect to a suspension device and can incorporate a rotational speed detection device (magnetic encoder) for detecting a rotational speed of the wheel in order to control an anti-lock brake system (ABS). The main function of the hub bearing is to bear load and provide precise guidance for the rotation of the hub, and the hub bearing bears axial load and radial load and is a very important part.

In the prior art, most automobile hub bearing units are directly connected by flanges, and the defect that the shaft load at the connecting part is overlarge, so that the device and equipment are easily damaged, and the subsequent use requirements are further influenced; in addition, the magnetic encoder in the current wheel bearing device is mostly an external structure, very easily produces the damage in the motion process, and current seal part can't provide good buffering protective effect again, and then brings the damage for the magnetic encoder easily, and life is low, and economic cost is quite high, is difficult to satisfy people's user demand.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists, provide a reasonable in design, simple structure, processing convenience and can effectively avoid device in use's axle load too big, in order to guarantee that it has good security in the use, promote the barrier propterty to equipment unit, in order to reduce its possibility of taking place the damage, effectively prolong the life of equipment, reduce economic cost and satisfy the wheel bearing that has magnetic encoder of people's user demand.

In order to achieve the purpose, the technical scheme adopted by the utility model is a wheel bearing with a magnetic encoder, which comprises a wheel bearing body, wherein the wheel bearing body comprises an inner flange and an outer flange which are arranged inside and outside, a first inner ring and a second inner ring are arranged between the inner flange and the outer flange on the left and right, a retainer is arranged between the first inner ring and the outer flange, a plurality of rolling bodies are evenly arranged in the retainer, the magnetic encoder is arranged on one side of the retainer, a spring leaf with an S-shaped design is arranged at the edge of one end of the inner flange, a first sealing ring is arranged on one side of the rolling body on the left side, a second sealing ring is arranged between the rolling body and the magnetic encoder on the right side, a sealing end cover is arranged at the edge of one end of the outer flange, and a sealing buffer ring with an E-shaped design section is arranged in the sealing end cover, the position of the sealing buffer ring corresponds to the placement position of the magnetic encoder.

Preferably, the inner flange is internally provided with a plurality of connecting holes which are arranged at the corner of one side of the inner flange in an annular array, the spring piece is provided with a plurality of connecting holes corresponding to the connecting holes, the end surface of one side of the first sealing ring close to the rolling body is in an arc design and is matched with the rolling body, the section of the second sealing ring is in two oval side-by-side design, the second sealing ring forms a cavity inside the second sealing ring, and the second sealing ring is clamped at the outer flange and the second inner ring.

Preferably, the end cover be the annular design of ladder, the end cover in be provided with and dismantle the dust cover, the dust cover of dismantling include joint post and spacing spliced pole, the joint post run through to the end cover in, a plurality of spacing spliced pole evenly arrange in the periphery of joint post and be connected with the end cover.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a wheel bearing with magnetic encoder, through the spring leaf that sets up, its intensity is high, bearing capacity is strong, can effectively bear the impact load of wheel bearing to reach the purpose that reduces the axle load, still have simultaneously shock attenuation, locking etc. characteristics, can effectively satisfy people's user demand; through the first sealing ring, the second sealing ring and the sealing buffer ring, and the interaction among all the parts, the sealing effect of the wheel bearing can be effectively improved, the effective protection effect can be brought to the internal parts of the wheel bearing, the possibility of damage is reduced, and the service life of equipment is effectively prolonged; this device reasonable in design, simple structure, processing convenience just can effectively avoid the device equipment in use's axle load too big, in order to guarantee that it has good security in the use, promote the barrier propterty to equipment component, in order to reduce its possibility of taking place the damage, effectively prolong the life of equipment, reduce economic cost and satisfy people's user demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic view of a wheel bearing with a magnetic encoder;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

in each of the above figures, 1, a wheel bearing body; 2. an inner flange; 21. connecting holes; 3. an outer flange; 4. a first inner race; 5. a second inner race; 6. a holder; 7. a rolling body; 8. a magnetic encoder; 9. a spring plate; 10. a first seal ring; 11. a second seal ring; 111. a cavity; 12. sealing the end cap; 13. sealing the buffer ring; 14. a removable dust cover; 141. a clamping column; 142. and a limiting connecting column.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In an embodiment, as shown in fig. 1 and 2, a wheel bearing with a magnetic encoder includes a wheel bearing body 1, the wheel bearing body 1 includes an inner flange 2 and an outer flange 3 which are arranged inside and outside, a first inner ring 4 and a second inner ring 5 are further arranged between the inner flange 2 and the outer flange 3 on the left and right, a retainer 6 is further arranged between the first inner ring 4 and the outer flange 3 and between the second inner ring 5 and the outer flange 3, a plurality of rolling bodies 7 are uniformly arranged in the retainer 6, and a magnetic encoder 8 is arranged on one side of the retainer 6, and the arrangement positions and the installation mode of the above components are the prior art, and are not described herein again; in order to effectively reduce the shaft load of the wheel bearing body 1, the spring leaf 9 in an S-shaped design is arranged at the corner of one end of the inner flange 2, the spring leaf 9 has excellent comprehensive performance, high strength and strong bearing capacity, can effectively bear the impact load of the wheel bearing so as to achieve the purpose of reducing the shaft load, and meanwhile, the spring leaf 9 also has the characteristics of shock absorption, looseness prevention and the like, and can effectively meet the use requirements of people; in order to further improve the sealing performance of the wheel bearing device and improve the use effect of equipment, a first sealing ring 10 is arranged on one side of the left rolling body 7, a second sealing ring 11 is also arranged between the right rolling body 7 and the magnetic encoder 8, and a sealing end cover 12 is arranged at the corner of one end of the outer flange 3, so that each part of the wheel bearing can be isolated from the outside to effectively protect the wheel bearing, and meanwhile, fine particles in the air can be prevented from entering the device to form dirt, so that the use safety and stability of the wheel bearing device are ensured; in order to effectively protect the magnetic encoder 8, a sealing buffer ring 13 with an E-shaped section is arranged in the sealing end cover 12, the position of the sealing buffer ring 13 corresponds to the placement position of the magnetic encoder 8, the sealing buffer ring and the second sealing ring 11 can be matched with each other, and the damage to the magnetic encoder 8 caused by the wheel bearing in the use process can be effectively reduced to a certain extent; this device reasonable in design, simple structure, processing convenience just can effectively avoid the device equipment in use's axle load too big, in order to guarantee that it has good security in the use, promote the barrier propterty to equipment component, in order to reduce its possibility of taking place the damage, effectively prolong the life of equipment, reduce economic cost and satisfy people's user demand.

In order to realize the effective connection between the wheel bearing device and the wheel hub, the inner flange 2 is internally provided with a connecting hole 21, and a plurality of connecting holes 21 are annularly arrayed at the corner of one side of the inner flange 2, so that the connection stability between the wheel bearing body 1 and the wheel hub is fully ensured, and the use requirements of people are met; on the premise of ensuring the stable connection between the wheel bearing body 1 and the wheel hub, the shaft load between the parts of the device is reduced, the spring pieces 9 are provided with a plurality of connecting holes 21 corresponding to each other, and the spring pieces 9 are effectively ensured to play the self-action to achieve the corresponding purpose; in order to ensure that the interior of the wheel bearing device has good sealing performance, the end face of one side of the first sealing ring 10 close to the rolling body 7 is in an arc-shaped design and is matched with the rolling body 7, so that the influence of fine impurities or dust in the air entering the device on the rotation performance of the wheel bearing in the operation process can be effectively avoided, and the smoothness and the stability of the wheel bearing in use are ensured; the 11 cross-sections of second sealing washer are two ellipses and form the design side by side and its inside constitution cavity 111 and joint in outer flange 3 and second inner circle 5 department, and this design not only can play sealed effect, still has good buffering, shock attenuation and protecting effect, can effectively avoid magnetic encoder 8 can be because of vibration etc. in the wheel bearing operation process produces the damage, has prolonged the life of device, practices thrift the cost, satisfies people's user demand.

In order to improve the reasonability of the design of the device, the sealing end cover 12 is designed in a stepped annular shape, and the sealing end cover 12 can be clamped with one side of the outer flange 3 on one hand and can be in flange connection with the outer flange 3 on the other hand, so that the stability of all parts of the device between connection is fully improved, and the safety of equipment in the using process is ensured; in order to improve the use convenience of the device equipment, the detachable dust cover 14 is arranged in the sealing end cover 12, the design not only can play an effective protection role on each component in the wheel bearing, but also is convenient for people to conveniently carry out other subsequent operations, such as the injection of lubricating oil and the like, so that the practicability of the device equipment is greatly improved; in order to further promote the stability of being connected between detachable dust cover 14 and end cap 12, detachable dust cover 14 includes joint post 141 and spacing spliced pole 142, and joint post 141 runs through to end cap 12 in, and a plurality of spacing spliced poles 142 evenly arrange in the periphery of joint post 141 and are connected with end cap 12, need further explain: a through groove matched with the clamping column 141 and a limiting groove matched with the limiting connecting column 142 are further formed in the sealing end cover 12, so that convenient conditions are provided for installation of device parts; specifically, the clamping column 141 is in an I-shaped design, the middle part of the clamping column can be matched with the through groove, the end part of the limiting connecting column 142 is in an arc-shaped design, stable connection between the limiting column and the limiting groove can be effectively completed, meanwhile, the placing position of the limiting cover can be effectively limited, the rationality of the design of the device is improved, and convenience is brought to subsequent use of the device; when installing, aim at logical groove with joint post 141 by people to guarantee that spacing spliced pole 142 can be corresponding with the spacing groove, press the dust cover outside afterwards, just so can effectively realize the joint between dust cover and end cover board, this connected mode is simple easy to operate, the installation process of hoisting device equipment, the save time cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (3)

1. A wheel bearing with a magnetic encoder comprises a wheel bearing body, wherein the wheel bearing body comprises an inner flange and an outer flange which are arranged inside and outside, a first inner ring and a second inner ring are arranged between the inner flange and the outer flange on the left and right, a retainer is arranged between the first inner ring and the outer flange, a plurality of rolling bodies are uniformly arranged in the retainer, one side of the retainer is provided with the magnetic encoder, the wheel bearing is characterized in that a spring piece which is designed in an S shape is arranged at the edge of one end of the inner flange, a first sealing ring is arranged at one side of the rolling body on the left side, a second sealing ring is arranged between the rolling body on the right side and the magnetic encoder, a sealing end cover is arranged at the edge of one end of the outer flange, and a sealing buffer ring with an E-shaped section is arranged in the sealing end cover, the position of the sealing buffer ring corresponds to the placement position of the magnetic encoder.

2. The wheel bearing with the magnetic encoder as claimed in claim 1, wherein the inner flange has a plurality of connection holes formed therein, the plurality of connection holes are annularly arrayed at a corner of one side of the inner flange, the spring plate has a plurality of connection holes corresponding thereto, an end surface of one side of the first seal ring close to the rolling element is arcuately designed and adapted to the rolling element, and the second seal ring has two oval cross-sections arranged side by side and has a cavity formed therein and is clamped between the outer flange and the second inner ring.

3. The wheel bearing with the magnetic encoder as claimed in claim 2, wherein the end cap is designed in a stepped ring shape, a detachable dust cover is disposed in the end cap, the detachable dust cover includes a clamping column and a limiting connection column, the clamping column penetrates into the end cap, and the limiting connection columns are uniformly arranged on the periphery of the clamping column and connected with the end cap.

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