CN201896943U

CN201896943U - Semi-floating type axle rim static sealing device with ABS (antilock brake system)

Info

Publication number: CN201896943U
Application number: CN2010206020241U
Authority: CN
Inventors: 黄平辉; 唐思成; 揭钢; 陈田兵; 饶剑文
Original assignee: Jiangxi Jiangling Chassis Co Ltd
Current assignee: Jiangxi Jiangling Chassis Co Ltd
Priority date: 2010-11-11
Filing date: 2010-11-11
Publication date: 2011-07-13
Anticipated expiration: 2020-11-11

Abstract

The utility model belongs to the field of assembly of auto parts, and relates to a semi-floating type axle rim static sealing device with an ABS (antilock brake system), which comprises a flanged head (1) with an ABS support, an outer lining (4), a bearing block (6) and the like. The outer lining (4) consists of an outer lining base (8) and an outer lining rubber sealing ring (7), the outer lining rubber sealing ring (7) is mounted on a large seam allowance of the outer lining base (8), the large seam allowance of the outer lining base (8) and the outer lining rubber sealing ring (7) are radially connected with the flanged head (1) with an ABS support and axially connected with the bearing block (6), and the outer lining rubber sealing ring (7) is respectively in interference fit with the flanged head (1) with an ABS support and the bearing block (6). The semi-floating type axle rim static sealing device seals a rim structure reliably, acquires ABS signals stably, realizes slightly lowered size precision requirement on the outer lining, and omits application of plane sealant on circumferences of joint surfaces and the seam allowances.

Description

A kind of half floating class band ABS vehicle bridge wheel limit static seal device

Technical field

The utility model belongs to auto parts and components assembling field, relates to the half floating class band ABS vehicle bridge wheel limit static seal device of a kind of gear ring outer diameter greater than the axle bearing outer diameter.

Background technique

The gear ring outer diameter is greater than half floating class vehicle bridge wheel limit static seal structure of axle bearing outer diameter, usually as this mounting type of Fig. 4.Static seal structure adopts as the external bushing among Fig. 5 10, need evenly scribble flat sealant on collar head 1, external bushing 10 and bearing support 6 mating faces and the stop portion border of band ABS bearing.Though this takes turns the limit sealing structure and the ABS signals collecting can reach technical requirements, but when the brake band axle assembly that assembles ABS gear ring 2 fits into the vehicle bridge axle housing, ABS gear ring 2 is wiped the band flat sealant extremely easily, thereby influences assembly quality and product performance; Simultaneously higher for the dimension precision requirement of external bushing 10, external bushing 10 each attachment face design more than the roughness Ra3.2; Each attachment face design is not more than 0.05 to benchmark A perpendicularity; External bushing 10 big seam diameters and little seam diameter tolerance are pressed the design of IT7-IT8 level, big seam and little seam design coaxality φ 0.05; External bushing length overall and little seam length tolerance design IT9 level; It is restive to be coated with the flat sealant manufacturing process on mating face and the stop portion border.

Summary of the invention

It is a kind of by the rubber extruded on the external bushing that the purpose of this utility model is to provide, and forms half floating class band ABS vehicle bridge wheel limit static seal device of vehicle bridge wheel limit static seal structure naturally.

The purpose of this utility model is achieved in that it comprises collar head, ABS gear ring, gear ring lining, external bushing, axle bearing and the bearing support of band ABS bearing, external bushing is made up of external bushing matrix and external bushing rubber seal two-part, the external bushing rubber seal is installed on the big seam of external bushing matrix, external bushing

The big seam of matrix and external bushing rubber seal radially are connected with the collar head of band ABS bearing, axially be connected with bearing support, the external bushing rubber seal respectively with collar head and the bearing support interference fit of being with the ABS bearing.

Mutual extrusion external bushing rubber seal between collar head by external bushing matrix and band ABS bearing and the bearing support three mating face forms vehicle bridge wheel limit static seal.

The utility model provides a kind of half floating class band ABS vehicle bridge wheel limit static seal method and the device of a kind of gear ring outer diameter greater than the axle bearing outer diameter, wheel limit sealing structure is reliable, the ABS signals collecting is stable, the dimension precision requirement of external bushing slightly reduces, need not to be coated with flat sealant on mating face and the stop portion border, but form vehicle bridge wheel limit static seal structure naturally by the rubber extruded on the external bushing.

Description of drawings

Fig. 1, the utility model embodiment's 1 static seal structure schematic representation.

The external bushing schematic representation that Fig. 2, the utility model embodiment's 1 static seal structure is used.

The local enlarged diagram of external bushing that Fig. 3, the utility model embodiment's 1 static seal structure is used.

Fig. 4, existing static seal structure schematic representation.

Fig. 5, the used external bushing schematic representation of existing static seal structure.

Embodiment

Embodiment 1: it comprises collar head 1, ABS gear ring 2, gear ring lining 3, external bushing 4, axle bearing 5 and the bearing support 6 of band ABS bearing, external bushing 4 is made up of external bushing matrix 8 and external bushing rubber seal 7 two-part, external bushing rubber seal 7 is installed on the big seam of external bushing matrix 8, the big seam of external bushing matrix 8 and external bushing rubber seal 7 radially are connected with the collar head 1 of band ABS bearing, axially be connected with bearing support 6, external bushing rubber seal 7 respectively with the collar head 1 and bearing support 6 interference fit of band ABS bearing.Simultaneously, the other end of the big seam of external bushing matrix 8 axially is connected with the collar head 1 of band ABS bearing, and the little seam of external bushing matrix 8 radially is connected with bearing support 6, axial and axle bearing 5

Connect.

During installation, external bushing 4 is pressed fit in the bearing support 6 Inner chambeies, follow-up refilling joined ABS gear ring 2.When the brake band axle assembly that assembles ABS gear ring 2 fits into the vehicle bridge axle housing, mutual extrusion external bushing rubber seal 7 forms vehicle bridge wheel limit static seal naturally between collar head 1, external bushing matrix 8 and the bearing support 6 three mating faces of band ABS bearing, thereby reaches the effect to vehicle bridge wheel limit static seal.

The external bushing matrix is No. 45 steel, the modified HRC20-30 that requires; Each is more than the attachment face design roughness Ra6.3; Each attachment face design is not more than 0.05 to the benchmark perpendicularity; External bushing 10 big seam diameters and little seam diameter tolerance are pressed the design of IT7-IT8 level, big seam and little seam design coaxality φ 0.05mm; External bushing length overall tolerance design is the IT9 level, and little seam length tolerance is designed to the IT10 level.

7 sulfurations of external bushing rubber seal are installed on the big seam of external bushing matrix 8, and the brake band axle assembly fits into the vehicle bridge axle housing, and external bushing rubber seal 7 is controlled at 0.10-0.25mm with the collar head 1 lateral extrusion magnitude of interference design of band ABS bearing; External bushing rubber seal 7 is controlled at 0.20-0.35mm with the design of bearing support 6 axial compression magnitude of interference; 7 designs of external bushing rubber seal leave the groove 9 that squeezes rubber mass.

ABS gear ring 2 outer diameters are greater than axle bearing 5 outer diameters; ABS gear ring 2 outer diameters are approaching with the collar head 1 inner stopper diameter of band ABS bearing, and difference is less than 8mm.

Claims

1. one and half floating class band ABS vehicle bridge are taken turns the limit static seal devices, it comprises the collar head (1) of band ABS bearing, ABS gear ring (2), gear ring lining (3), external bushing (4), axle bearing (5), and bearing support (6), it is characterized in that: external bushing (4) is made up of external bushing matrix (8) and external bushing rubber seal (7) two-part, external bushing rubber seal (7) is installed on the big seam of external bushing matrix (8), the big seam of external bushing matrix (8) and external bushing rubber seal (7) radially are connected with the collar head (1) of band ABS bearing, axially be connected with bearing support (6), external bushing rubber seal (7) respectively with the collar head (1) and bearing support (6) interference fit of band ABS bearing.

2. according to claim 1 a kind of half floating class band ABS vehicle bridge wheel limit static seal device, it is characterized in that: external bushing rubber seal (7) sulfuration is installed on the big seam of external bushing matrix (8).

3.. according to claim 1 and 2 a kind of half floating class band ABS vehicle bridge wheel limit static seal device, it is characterized in that: external bushing rubber seal (7) is provided with groove (9).

4. according to claim 1 and 2 a kind of half floating class band ABS vehicle bridge wheel limit static seal device, it is characterized in that: external bushing rubber seal (7) is controlled at 0.10-0.25mm with collar head (1) the lateral extrusion magnitude of interference design of band ABS bearing; External bushing rubber seal (7) is controlled at 0.20-0.35mm with the design of bearing support (6) axial compression magnitude of interference.