CN210178794U

CN210178794U - Automatic aligning pull type clutch release bearing with dustproof seal

Info

Publication number: CN210178794U
Application number: CN201920818451.4U
Authority: CN
Inventors: Huiyong Sun; 孙惠勇
Original assignee: WUXI MINLIAN BEARING MANUFACTURING Co Ltd
Current assignee: WUXI UNITED AUTO PARTS Co.,Ltd.
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-24
Anticipated expiration: 2029-05-31

Abstract

The utility model belongs to the technical field of the bearing, a automatic aligning draws formula clutch release bearing with dust seal is related to, including the inner circle and set up in the outer lane in the inner circle outside sets up a plurality of steel balls between the internal surface recess of inner circle and the surface recess of outer lane, and each steel ball passes through the holder location, axial both ends between inner circle and the outer lane set up the sealing washer respectively, set up the gasket on the left end excircle step of inner circle, set up the shield on the right-hand member excircle step of outer lane, the radial inner cladding of shield in the right-hand member of inner circle, the outer end of shield sets up separation sleeve, radial outer end between separation sleeve and the shield sets up the ripples spring, and radial inner between separation sleeve and the shield sets up the felt circle, be connected through the dustcoat between separation sleeve and the outer lane. The release bearing can effectively prevent external dust from entering, and has good sealing effect and simple structure.

Description

Automatic aligning pull type clutch release bearing with dustproof seal

Technical Field

The utility model belongs to the technical field of the bearing, a automatic aligning draws formula clutch release bearing with dustproof sealing is related to.

Background

The existing sealing structure of the self-aligning pull-type automobile clutch release bearing adopts a rubber sealing ring with a framework, and the rubber sealing ring is arranged in a sealing groove of an outer ring of a bearing, and an inner lip of the sealing ring is in contact with an outer circle of an inner ring. The grease leakage prevention function is achieved. A large amount of dust exists in a clutch shell, dust particles after a clutch friction plate is abraded, and a large amount of dust on a road are accumulated at a gap of a release bearing and bonded with a part of overflowed lubricating grease, so that the release bearing of the clutch is blocked to move and cannot be aligned, and finally, the clutch is high in temperature and fails in advance.

Disclosure of Invention

The utility model provides an above-mentioned problem, provide an automatic aligning draws formula clutch release bearing with dustproof sealing, this release bearing can prevent effectively that outside dust from getting into, sealed effectual, simple structure.

According to the technical scheme of the utility model: the utility model provides an automatic aligning draws formula clutch release bearing with dustproof sealing, include the inner circle and set up in the outer lane in the inner circle outside sets up a plurality of steel balls between the internal surface recess of inner circle and the surface recess of outer lane, and each steel ball passes through holder location, its characterized in that: the axial both ends between inner circle and the outer lane set up the sealing washer respectively, set up the gasket on the left end excircle step of inner circle, set up the shield on the right-hand member excircle step of outer lane, the radial inner cladding of shield is in the right-hand member of inner circle, the outer end of shield sets up the separation sleeve, radial outer end between separation sleeve and the shield sets up the ripples spring, and radial inner between separation sleeve and the shield sets up the felt circle, be connected through the dustcoat between separation sleeve and the outer lane.

As a further improvement, the inner lip of the sealing ring is attached to the inner ring surface, and the radial outer end of the sealing ring is compressed on the inner wall of the outer ring.

As a further improvement, the dust cap includes end cover plate and an organic whole connect in the lid outer lane axial extension, an organic whole of the radial outer end of end cover plate connect in the radial inner lid inner circle axial extension of end cover plate.

As a further improvement, the inner circle of end cover plate forms the axial bulge, the axial bulge compresses tightly the felt loop in release sleeve's axial terminal surface, and the ripples spring sets up in the clearance that end cover plate and release sleeve formed.

As a further improvement, the separation sleeve is close to the circumferential surface of outer lane one end and sets up the draw-in groove, the radial protruding chucking that the orientation inboard that sets up on the dustcoat in extend in the draw-in groove.

As a further improvement, the radial inner circle of the left end joint portion of the outer cover is supported and leaned on the circumferential surface in the gasket, and the right-hand member joint portion of the outer cover is compressed tightly on the left end inclined plane of the separation sleeve.

The technical effects of the utility model reside in that: the product of the utility model is simple in structure, compact reasonable, increased outside dustproof construction on current bearing seal structure, can effectively avoid the entering of outside dust and the leakage of lubricating grease, play the dustproof sealing effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the figure 1, the anti-dust cover comprises an inner ring 1, a gasket 2, a sealing ring 3, a retainer 4, an outer cover 5, a left end clamping part 5-1, a right end clamping part 5-2, a steel ball 6, an outer ring 7, a dust cover 8, a cover body inner ring axial extension part 8-1, a cover body outer ring axial extension part 8-2, an end surface cover plate 8-3, a wave spring 9, a felt ring 10, a separating sleeve 11, a clamping groove 11-1 and the like.

As shown in figure 1, the utility model relates to an automatic aligning pull type clutch release bearing with dustproof seal, which comprises an inner ring 1 and an outer ring 7 arranged outside the inner ring 1, a plurality of steel balls 6 are arranged between the inner surface groove of the inner ring 1 and the outer surface groove of the outer ring 7, each steel ball 6 is positioned by a retainer 4, the two axial ends between the inner ring 1 and the outer ring 7 are respectively provided with a sealing ring 3, the excircle step at the left end of the inner ring 1 is provided with a gasket 2, the excircle step at the right end of the outer ring 7 is provided with a dust cover 8, the radial inner end of the dustproof cover 8 is coated at the right end of the inner ring 1, the outer end of the dustproof cover 8 is provided with a separation sleeve 11, the radial outer end between the separation sleeve 11 and the dust cover 8 is provided with a wave spring 9, the radial inner end between the separation sleeve 11 and the dust cover 8 is provided with a felt ring 10, and the separation sleeve 11 is connected with the outer ring 7 through the outer cover 5.

The inner lip of the sealing ring 3 is attached to the surface of the inner ring 1, and the radial outer end of the sealing ring 3 is pressed on the inner wall of the outer ring 7.

The dust cover 8 comprises an end cover plate 8-3, a cover body outer ring axial extension part 8-2 integrally connected to the radial outer end of the end cover plate 8-3, and a cover body inner ring axial extension part 8-1 integrally connected to the radial inner end of the end cover plate 8-3.

The inner ring of the end cover plate 8-3 forms an axial bulge which presses the felt ring 10 against the axial end face of the separating sleeve 11, and the wave spring 9 is arranged in the gap formed by the end cover plate 8-3 and the separating sleeve 11.

The circumferential surface of one end of the separating sleeve 11 close to the outer ring 7 is provided with a clamping groove 11-1, and a radial bulge which extends towards the inner side and is arranged on the outer cover 5 is clamped in the clamping groove 11-1.

The radial inner ring of the left end clamping part 5-1 of the outer cover 5 is abutted against the circumferential surface of the gasket 2, and the right end clamping part 5-2 of the outer cover 5 is pressed on the left end inclined plane of the separating sleeve 11. The utility model discloses be formed with the axial on gasket 2 in the product and bend, the radial lower part of gasket 2 supports and leans on the shaft shoulder in inner circle 1, and the axial inboard surface on the radial upper portion of gasket 2 compresses tightly on neighbouring sealing washer 3.

The product of the utility model is simple in structure rationally, through set up gasket 2 on the 1 left end excircle step of inner circle at the bearing, and set up dustcoat 5 in gasket 2's radial outer end, dustcoat 5 extends to release sleeve 11 department along the axial, and 5-2 of the right-hand member joint portion of dustcoat 5 pastes tightly on release sleeve 11's left end inclined plane, realize fastening connection, the protruding chucking that the orientation inboard that the right-hand member of dustcoat 5 formed simultaneously forms is in the draw-in groove that forms on release sleeve 11, realize dustcoat 5 and release sleeve 11's fastening connection.

Claims

1. The utility model provides an automatic aligning draws formula clutch release bearing with dustproof sealing, include inner circle (1) and set up in outer lane (7) in the inner circle (1) outside sets up a plurality of steel balls (6) between the internal surface recess of inner circle (1) and the surface recess of outer lane (7), and each steel ball (6) are fixed a position its characterized in that through holder (4): the inner ring (1) and the outer ring (7) are axially and respectively provided with a sealing ring (3), a gasket (2) is arranged on a step of the outer circle of the left end of the inner ring (1), a dust cover (8) is arranged on a step of the outer circle of the right end of the outer ring (7), the radial inner end of the dust cover (8) is coated on the right end of the inner ring (1), the outer end of the dust cover (8) is provided with a separating sleeve (11), the radial outer end between the separating sleeve (11) and the dust cover (8) is provided with a wave spring (9), the radial inner end between the separating sleeve (11) and the dust cover (8) is provided with a felt ring (10), and the separating sleeve (11) and the outer ring (7) are connected through an outer cover (5).

2. The self-aligning pull-type clutch release bearing with dust seal according to claim 1, characterized in that: the inner lip of the sealing ring (3) is attached to the surface of the inner ring (1), and the radial outer end of the sealing ring (3) is pressed on the inner wall of the outer ring (7).

3. The self-aligning pull-type clutch release bearing with dust seal according to claim 1, characterized in that: the dustproof cover (8) comprises an end face cover plate (8-3), a cover body outer ring axial extension part (8-2) integrally connected to the radial outer end of the end face cover plate (8-3), and a cover body inner ring axial extension part (8-1) integrally connected to the radial inner end of the end face cover plate (8-3).

4. The self-aligning pull-type clutch release bearing with dust seal according to claim 3, characterized in that: the inner ring of the end face cover plate (8-3) forms an axial convex part, the felt ring (10) is pressed on the axial end face of the separating sleeve (11) through the axial convex part, and the wave spring (9) is arranged in a gap formed by the end face cover plate (8-3) and the separating sleeve (11).

5. The self-aligning pull-type clutch release bearing with dust seal according to claim 1, characterized in that: a clamping groove (11-1) is formed in the circumferential surface of one end, close to the outer ring (7), of the separating sleeve (11), and a radial protrusion extending towards the inner side and arranged on the outer cover (5) is clamped in the clamping groove (11-1).

6. The self-aligning pull-type clutch release bearing with dust seal according to claim 1, characterized in that: the radial inner ring of the left end clamping part (5-1) of the outer cover (5) is abutted against the circumferential surface of the gasket (2), and the right end clamping part (5-2) of the outer cover (5) is pressed on the left end inclined plane of the separating sleeve (11).