CN2140992Y - Angular contact declutching combination bearing - Google Patents

Abstract

The utility model relates to an angular contact type declutching and combination bearing for a clutch. The utility model comprises an L-shaped outer ring, an inner ring, a C type holder, a sealed ring assembly, a shaft sleeve, an anti-push blocking ring, etc., wherein one end of the outer ring is provided with a large end surface, and the other end is provided with a small end surface. A slope and a slope-shaped lock opening which is formed by channels are arranged on the inner side of the small end surface, the inner diameter surface of the outer ring is provided with annular channels, the outer diameter surface of the small end of the inner ring is provided with a slope, and annular channels are arranged between the surface of the slope and the big outer diameter surface of the inner ring. An inner lip opening of the sealed ring assembly forms a sealed groove in the shape of a labyrinth, the rear part of the shaft sleeve is provided with an anti-push ear, and the big end surface of the anti-push blocking ring forms a plane. The utility model has the advantages of novel and reasonable structure, better dynamic performance, low noise, strong rigidity and long service life.

Description

Angular contact declutching combination bearing

The utility model is a kind of angle contacting type clutch separation combination bearing that is used on multiple automobile, the tractor charging crane.

Every kind of specification of existing clutch release bearing is only applicable to a kind of type, and most plane thrust and centripetal thrust force structures that adopt band iron sheet outer casings promptly are made of two plate plane thrust-bearing sheets, steel ball and shape retainer assembly or two centripetal thrust force circles and steel ball retainer assembly add iron sheet case involution and form.This structure is because the restriction of dynamic performance, can not satisfy the requirement of high rotating speed of user and heavy load operating mode, when bearing certain alternation thrust load, easily be distorted especially, form two bearing plate relative displacements, cause the working condition of raceway groove and steel ball and retainer to worsen, cause big noise.Because of iron sheet case oil sealing poor performance, the lubricating grease premature leakage also is difficult to carry out the maintenance of bearing inner cleaning adding fat, causes the parts depreciation aggravation simultaneously, and the user changes frequently.

The purpose of this utility model is will provide a kind of to have starting force apart from little, dynamic performance is good, noise is low, long service life, can adapt to heavy duty, at a high speed, high temperature, many dirt working condition requirement by the L type outer ring that is provided with the slope shape fore shaft, be provided with the slope shape fore shaft inner ring, be provided with ball-and-socket C type retainer, be provided with axle sleeve, the assembling of thrust ring washer that labyrinth poor seal ring assembly, steel ball, both sides are provided with the thrust ear and constitute angle contacting type clutch separation combination bearing.

The utility model is to be made of bearing main body, axle sleeve, three component-assembled of thrust ring washer, bearing main body is made of outer ring, inner ring, steel ball, retainer, the general assembly of seal ring assembly, it is characterized in that: the outer ring is made as the L type, inwall raceway groove and the slope that is processed with in the inboard of its small end face constitute the slope shape fore shaft, and nearly small end face place is processed with trapezoidal seal groove on the slope; The miner diameter end of inner ring is provided with the slope shape fore shaft, falls shuttle or chamfering in the raceway groove both sides that the outer wall of inner ring has; Retainer is made as the C type, is provided with ball-and-socket at the place, pocket hole of its steel ball; The both sides, rear portion of axle sleeve are provided with the thrust ear, have rectangle annular groove and trapezoid spiral groove within it on the face of chamber; The interior tongue mouth of seal ring assembly is cast into the labyrinth shape seal groove; The large end face of thrust ring washer is processed into plane shape or cambered surface annular.The internal diameter on big shelves limit, outer ring cooperates with the axle journal heat of axle sleeve, steel ball is inserted retainer, steel ball is fallen into be pressed into behind the raceway groove outer ring after the heating with inner ring fore shaft interference fit again, the wrapping angle that constitutes steel ball and outer ring raceway is an acute angle, insert lubricating grease in the bearing die cavity, just the seal ring assembly is pressed in the seal groove of outer ring.The internal diameter interference fit of freezing back of thrust ring washer and inner ring.

The utility model has the advantages that: because the outer ring is made as the L type, have the big function of good rigidly and bearing capacity, adopt outer ring and axle sleeve drive fit structural type to improve the integral rigidity of bearing; Internal and external cycle is made as the trap form of two-way fore shaft and is provided with C type retainer and the bear inner ring grooved railway chamfered edge or the chamfering of ball-and-socket, can reduce noise, reduces the starting force distance, keeps away the phenomenon that the sequence of sanqu songs within a particular musical mode is scurried ball, has improved the dynamic performance of bearing; Adopt thrust ring washer and inner ring cooperating structure, process the easy mass production that is beneficial to, enlarge the using scope of bearing; Adopt the reinforcing bar rubber seal, improve the anti-performance of letting out dust-separation of bearing; Thereby it is little to have solved axis skew and bearing capacity, and high speed performance and anti-problem of letting out the dust-separation poor performance have been improved steel ball and raceway groove contact condition, has prolonged bearing working life, adapted to heavily loaded, at a high speed, the requirement of high temperature, many dirt operating mode.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described:

Accompanying drawing 1 is an angle contacting type clutch separation combined bearing structure schematic representation.

Accompanying drawing 2 is bearing main body front views of angle contacting type clutch separation combination bearing.

Shown in accompanying drawing 1, the large-flange of outer ring (1) cooperates with the axle journal heat of axle sleeve (6) after heating.Steel ball (3) is inserted retainer (4), again with the fore shaft interference fit of inner ring (2) after, be pressed into through the outer ring (1) of heating the wrapping angle of steel ball and outer ring raceway formation acute angle, lubricating grease is inserted the bearing die cavity, and seal ring assembly (5) is pressed in the trapezoidal seal groove of outer ring (1).The internal diameter interference fit of freezing back of thrust ring washer (7) and inner ring (2), thus assembling constitutes angle contacting type clutch separation combination bearing.

Shown in accompanying drawing 2, outer ring (1) is processed into L shaped, and an end face is a large end face, the other end is a small end face, be processed into slope and raceway groove in the inboard of its small end face and constitute the slope shape fore shaft, trapezoidal seal groove is processed at nearly small end face place on the slope, is processed with annular channel at aperture surface.Outside small end one side of inner ring (2), be processed into the slope on the diametric plane, make annular channel between the diametric plane, form the slope fore shaft at slope and greatly.Raceway groove with big outside the jointing place of diametric plane and the jointing place chamfered edge or the chamfering of inclined-plane and raceway groove.Retainer (4) is processed into the C type, strikes out ball-and-socket at the place, pocket hole of its steel ball.The inner lip of seal ring assembly (5) is cast into the labyrinth shape seal groove.The both sides at axle sleeve (6) rear portion are provided with the thrust ear, adopt cast steel or cast iron casting moulding.The large end face of thrust ring washer (7) is processed into plane or semicolumn annular.

Claims (1)

1, a kind of angle contacting type clutch separation combination bearing is to be made of outer ring, inner ring, steel ball, retainer, seal ring assembly, axle sleeve, the assembling of thrust ring washer, it is characterized in that: the outer ring is made as the L type, the one end is a large end face, the other end is a small end face, be provided with slope and the slope-shaped fore shaft of channel shape in the inboard of its small end face, nearly small end face place has trapezoidal sealing poor on the slope, and the aperture surface in the outer ring has annular channel; Outside small end one side of inner ring, on the diametric plane slope is arranged also, between the diametric plane annular channel is arranged also, form the slope fore shaft at this inner ring slope and greatly; Retainer is the C type, is provided with ball-and-socket at the place, pocket hole of its steel ball; The inner lip of seal ring assembly becomes the labyrinth shape sealing poor; Both sides, axle sleeve rear portion are provided with the thrust ear; The large end face of thrust ring washer becomes plane or semicolumn annular.