CN204533189U

CN204533189U - Built-in many magnetic poles magnetosphere double-row angular contact bal bearing

Info

Publication number: CN204533189U
Application number: CN201520199691.2U
Authority: CN
Inventors: 吴少伟
Original assignee: New Torch Science And Technology Ltd In Hubei
Current assignee: New Torch Science And Technology Ltd In Hubei
Priority date: 2015-04-06
Filing date: 2015-04-06
Publication date: 2015-08-05
Anticipated expiration: 2025-04-06

Abstract

Double-row angular contact ball bearing with built-in multi-pole magnetic ring is characterized by: there are corresponding semicircular grooves on the inner surface of both ends of the outer ring and the outer surface of the inner ring to form a circular track; the first The first and second cages are respectively installed in the circular track, and the first and second steel balls are respectively installed on the first and second cages, and the first and second steel balls roll in the circular track; A sealing ring, skeleton and first dust-proof cover are installed in the first circular groove at the left end in turn, and the first sealing ring is positioned on the inner circle of the left end of the outer ring by the sealing ring skeleton; the skeleton, multi-pole magnetic ring , the second dust cover, and the second sealing ring are installed in the second circular groove at the right end in turn, and the second sealing ring is positioned by the second dust cover; the multi-pole magnetic ring is positioned by the second dust cover, the second The second sealing ring is wrapped in the second annular groove at the right end of the annular track between the outer ring and the inner ring.

Description

Built-in many magnetic poles magnetosphere double-row angular contact bal bearing

Technical field

The utility model relates to a kind of bearing, particularly one built-in many magnetic poles magnetosphere double-row angular contact bal bearing.

Background technique

In built-in many magnetic poles magnetosphere double-row angular contact bal bearing technology, many magnetic poles magnetosphere, for Hall wheel speed sensor provides permanent magnetic field, when rotating with wheel synchronous high-speed, due to Hall effect effect, and change the induction electromotive force of Hall wheel speed sensor, form the pulse signal of a quasi-sine-wave, vehicle-mounted electronic control unit is by receiving this pulse signal to judge the instant wheel speed of wheel, be widely used in anti-lock braking system in automobiles, traction control system, body electronics stable system, in EHB.

The double-row angular contact bal bearing structure (as shown in Figure 1) of existing band many magnetic poles magnetosphere, bearing side is assembled in for many magnetic poles magnetosphere coordinates with seal ring, after bearing and knuckle, wheelboss flange assemble, many magnetic poles magnetosphere side is housed and coordinates to realize above-mentioned function with the Hall wheel speed sensors that knuckle is installed.

Many magnetic poles magnetosphere sensitive surface of existing structure exposes in atmosphere, because band itself is magnetic, in wheels travel process, and the easy attract dirt of sensitive surface, iron filings etc.; After hard object touches sensitive surface, facial scratch can be caused, defect etc., cause magnetic circle magnetic weak, pole pair counts mistake, thus causes the situation such as systems axiol-ogy no signal, abnormal signal, erroneous judgement, cause the early failue that bearing produces due to external factor, reduce the working life of bearing.

Summary of the invention

The purpose of this utility model is for above the deficiencies in the prior art, a kind of built-in many magnetic poles magnetosphere double-row angular contact bal bearing is provided, this bearing can prevent the direct foreign material such as attract dirt, iron filings in many magnetic poles magnetosphere sensitive surface, eliminate the infringement that it brings magnetic circle sensitive surface, improve the working life of magnetic circle, avoid the early failue that bearing causes due to external factor.

The technical solution of the utility model is: a kind of built-in many magnetic poles magnetosphere double-row angular contact bal bearing, comprises outer ring, inner ring, retainer, steel ball, dust cover, skeleton, seal ring and many magnetic poles magnetosphere.

Described built-in many magnetic poles magnetosphere double-row angular contact bal bearing: the semi-circular recesses established on the inner headed face of two ends, left and right, outer ring is corresponding with the semi-circular recesses that inner ring periphery is established, the round circular orbit formed between outer ring and inner ring; First retainer and the second retainer to be contained between outer ring and inner ring in round circular orbit respectively, first retainer and the second retainer are equipped with the first steel ball and the second steel ball respectively, and the first steel ball and the second steel ball roll in the round circular orbit that inner ring and outer ring are formed; Round circular orbit two ends between about outer ring and inner ring are respectively equipped with the first and second toroidal cavities; By the first seal ring, skeleton and the first dust cover, be arranged on successively in left end first toroidal cavity, by skeleton, the first seal ring be positioned in the left end inner circle of outer ring.By skeleton, many magnetic poles magnetosphere, the second dust cover, the second seal ring, be arranged in the second toroidal cavity of right-hand member successively, the second seal ring is located by the second dust cover; Many magnetic poles magnetosphere (sensitive surface) is wrapped in the second toroidal cavity of round circular orbit right-hand member between outer ring and inner ring by the second dust cover, the second seal ring, forms built-in many magnetic poles magnetosphere double-row angular contact bal bearing.

The beneficial effects of the utility model are: a kind of built-in many magnetic poles magnetosphere double-row angular contact bal bearing, and the sensitive surface of many magnetic poles magnetosphere, by seal ring, is assembled in bearing unit side, is wrapped in many magnetic poles magnetosphere double-row angular contact bal bearing inner; Can prevent direct attract dirt in many magnetic poles magnetosphere sensitive surface, iron filings etc., eliminate it and many magnetic poles magnetosphere sensitive surface are contacted to the damage brought, improve the working life of many magnetic poles magnetosphere.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model will be further described;

Fig. 1 is existing many magnetic poles magnetosphere double-row angular contact bal bearing structural representation;

Fig. 2 is the A-A structure for amplifying schematic diagram of Fig. 1;

Fig. 3 is structural representation of the present utility model;

Fig. 4 is the A-A structure for amplifying schematic diagram of Fig. 3.

1. inner rings in the drawings, 2. the first dust cover, 3. left seal ring, 4. outer ring, 5. the first steel ball, 6. the first retainer, 7. the second steel ball, 8. the second retainer, 9. more than magnetic pole magnetosphere, 10. the second seal ring, 11. first dust covers, 12. skeletons.

Embodiment

In the existing many magnetic poles magnetosphere double-row angular contact bal bearing shown in Fig. 1 with Fig. 2: the semi-circular recesses established on the inner headed face of two ends, outer ring 4 is corresponding with the semi-circular recesses that inner ring 1 periphery is established, and forms round circular orbit between outer ring 4 and inner ring 1; First retainer 6 and the second retainer 8 to be contained between outer ring 4 and inner ring 1 in round circular orbit respectively, first retainer 6 and the second retainer 8 are equipped with respectively the first steel ball 5 and the second steel ball 7, first steel ball 5 and the second steel ball 7 to roll in the round circular orbit that inner ring 1 and outer ring 4 are formed; Round circular orbit two ends between outer ring 4 and inner ring about 1 two ends, are respectively equipped with the first and second toroidal cavities, and the first seal ring 3, skeleton 12 and the first dust cover 2, be contained in left end first toroidal cavity; By the second seal ring 10, skeleton 12, first dust cover 11 and many magnetic poles magnetosphere 9; Be contained in right-hand member first toroidal cavity successively; By skeleton 12, first seal ring 3 and the second seal ring 10 are positioned in the inner circle at two ends, outer ring about 4 respectively.

In the mode of execution that the utility model provides, its modified model many magnetic poles magnetosphere double-row angular contact bal bearing, as shown in Figure 3 and Figure 4: the semi-circular recesses established on the inner headed face of two ends, outer ring about 4 is corresponding with the semi-circular recesses that inner ring 1 periphery is established, the round circular orbit formed between outer ring 4 and inner ring 1; First retainer 6 and the second retainer 8 to be contained between outer ring 4 and inner ring 1 in round circular orbit respectively, first retainer 6 and the second retainer 8 are equipped with respectively the first steel ball 5 and the second steel ball 7, first steel ball 5 and the second steel ball 7 to roll in the round circular orbit that inner ring 1 and outer ring 4 are formed; Round circular orbit two ends between outer ring 4 and inner ring about 1 are respectively equipped with the first and second toroidal cavities; By the first seal ring 3, skeleton 12 and the first dust cover 2, be arranged in left end first toroidal cavity successively, by skeleton 11, first seal ring 3 be positioned in the left end inner circle of outer ring 4.By skeleton 12, many magnetic poles magnetosphere 9, second dust cover 11, second seal ring 10, be arranged in the second toroidal cavity of right-hand member successively, the second seal ring 10 is located by the second dust cover 11; Many magnetic poles magnetosphere 9(sensitive surface) be wrapped in the second toroidal cavity of round circular orbit right-hand member between outer ring 4 and inner ring 1 by the second dust cover 11, second seal ring 10.

Second seal ring 10 of the present utility model is arranged on the outside of many magnetic poles magnetosphere 9, and the second seal ring 10 is located by the second dust cover 11; The sensitive surface of many magnetic poles magnetosphere 9 is wrapped in many magnetic poles magnetosphere double-row angular contact bal bearing inside by the second seal ring 10, the early failue that can prevent bearing from causing due to external factor and damage.

Claims

1. Double-row angular contact ball bearing with built-in multi-pole magnetic ring, including outer ring, inner ring, cage, steel ball, dust cover, sealing ring, skeleton and multi-pole magnetic ring; its characteristics are: at the left and right ends of the outer ring The semicircular groove on the inner surface corresponds to the semicircular groove on the outer surface of the inner ring, and a circular track is formed between the outer ring and the inner ring; the first cage and the second cage The frames are respectively installed in the circular track between the outer ring and the inner ring, and the first steel ball and the second steel ball are respectively installed on the first cage and the second cage, and the first steel ball and the second steel ball are inside Roll in the circular track formed by the outer ring and the outer ring; the first and second circular grooves are respectively provided at both ends of the circular track between the outer ring and the inner ring; the first sealing ring, the skeleton and the The first dust-proof cover is installed in the first circular groove at the left end in turn, and the first sealing ring is positioned on the inner circle of the left end of the outer ring by the skeleton; the skeleton, the multi-pole magnetic ring, the second dust-proof cover, the first The second sealing ring is installed in the second circular groove at the right end in turn. The second sealing ring is positioned by the second dust cover; the multi-pole magnetic ring is wrapped between the outer ring and the inner ring by the second dust cover and the second sealing ring. In the second annular groove at the right end of the annular track between the rings, a built-in multi-pole magnetic ring double row angular contact ball bearing is formed.