CN2606214Y

CN2606214Y - Reverse wheel with carrier bearing

Info

Publication number: CN2606214Y
Application number: CN 03212948
Authority: CN
Inventors: 兰永福
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-01
Filing date: 2003-05-01
Publication date: 2004-03-10
Anticipated expiration: 2013-05-01

Abstract

The utility model discloses an overrunning clutch, a reverse wheel with carrier bearing, comprising an inner wheel, an outer wheel, a plurality of tapered wedge cavities, and a plurality of caulking beads and caulking rings, wherein, the caulking beads are columned; the surface of outer circumference of the inner wheel is provided with a annular groove which is arranged on the middle of the inner wheel in the direction of width; the caulking rings with a cut lengthways and with elasticity expanding to exterior direction of the circumference are inlaid in the annular groove; the caulking rings also comprise two roller bearings which are respectively arranged on the two ends of the inner wheel and are inlaid between the surface of the inner hole of the outer wheel and the surface of the outer circle of the inner wheel. The inner wheel of the utility model can not pendulate when transmitting in reverse direction, accordingly serious local abrasion is avoided, the stability of inverse transmission is greatly improved, the life is prolonged; when sliding in same direction, the roller bearings bear most of radial loads, so the sliding friction of each component will also be decreased greatly. The utility model has the advantages of simple structure, low price and easy maintenance.

Description

The reverse wheel of band carrier bearing

Technical field: the utility model relates to a kind of free wheel device.

Background technique: application number is that 02293504.5 utility application discloses a kind of reverse wheel, though this kind reverse wheel has long service life and the slow advantage of each component wear, but when load is big, the stability of transmission variation, each component wear also aggravates.

Model utility content:, provide a kind of reverse wheel that can bear heavy load for the defective that the reverse wheel that overcomes prior art can not bear heavy load.The utility model is achieved by following scheme: a kind of reverse wheel with carrier bearing, wheel 4 in it comprises, foreign steamer 3, several wedge chambeies 8, several rise pearl 1 and piston rings 9, the pearl 1 of rising is short cylindrical shape, have circular groove 10 on the external peripheral surface of interior wheel 4, neutral position in circular groove 10 is arranged on wheel 4 width directions, the piston ring 9 with direction expansion elastic force outside circumference of longitudinal opening is set in the circular groove 10, it also comprises two rolling bearings 7, place, two ends of wheel 4 in rolling bearing 7 is separately positioned on, rolling bearing 7 is set between the outer round surface of the bore area of foreign steamer 3 and interior wheel 4.Because the utility model respectively is provided with a rolling bearing 7 at the place, two ends of interior wheel 4, stressing conditions when greatly having improved reverse transmission, wheel 4 can not beat when reverse transmission in making, the situation that the concentrated wear aggravation can not occur, the reverse stability of transmission of the utility model improves greatly, life-span also obtains prolonging, and has born most of radial load owing to rolling bearing 7 when forward sliding, so the sliding friction of each parts also alleviates greatly.The utlity model has the advantage of simple in structure, cheap and easy maintenance.

Description of drawings: Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the B-B sectional view of Fig. 1.

Embodiment one: specify the utility model below in conjunction with Fig. 1 and Fig. 2, it is by interior wheel 4, foreign steamer 3, several wedge chambeies 8, several pearls 1 of rising, several pearls 11 of rising, piston ring 9 and two rolling bearings 7 are formed, the pearl 1 of rising is located in the wedge chamber 8 with the pearl 11 of rising, the pearl 1 of rising is short cylindrical shape, have circular groove 10 on the external peripheral surface of interior wheel 4, neutral position in circular groove 10 is arranged on wheel 4 width directions, the piston ring 9 with direction expansion elastic force outside circumference of longitudinal opening is set in the circular groove 10, it also comprises two rolling bearings 7, the place, two ends of wheel 4 in rolling bearing 7 is separately positioned on, rolling bearing 7 is set between the outer round surface of the bore area of foreign steamer 3 and interior wheel 4, the pearl 11 of rising is short cylindrical shape, rise by the diameter of pearl 1 greater than the diameter of the pearl 11 of rising, the pearl 1 of rising is arranged on the large space place in wedge chamber 8, the pearl 11 of rising is arranged on the place, little space in wedge chamber 8, and the pearl 11 of rising is disengaged positions with piston ring 9.When foreign steamer 3 slides with respect to interior wheel 4 idling, pearl 11 does not contact with piston ring 9 owing to rise, pearl 11 does not rub with interior wheel 4 and foreign steamer 3 so rise, between foreign steamer 3 and the interior wheel 4 during transmitting movement, rise by pearl 1 to 12 motions of wedge district, the pearl 11 that promotes simultaneously to rise is also to 12 motions of wedge district, and the rise pearl 1 and the pearl 11 of rising are operated in wedge district 12 simultaneously, common transferring power increases lifting surface area.

Embodiment two: specify present embodiment below in conjunction with Fig. 1.The difference of present embodiment and mode of execution one is: have bearing 4-1 for sleeping on place, the two ends outer round surface of interior wheel 4, the interior wheel of rolling bearing 7 is set on the bearing 4-1 for sleeping in, owing to be provided with bearing 4-1 for sleeping in, rolling bearing 7 is axially locating better.

Claims

1, a kind of reverse wheel with carrier bearing, it comprises interior wheel (4), foreign steamer (3), several wedge chambeies (8), several pearls of rising (1) and piston ring (9), the pearl (1) of rising is a short cylindrical shape, have circular groove on the external peripheral surface of interior wheel (4), circular groove (10) is arranged on the neutral position on interior wheel (4) width direction, the piston ring (9) with direction expansion elastic force outside circumference of longitudinal opening is set in the circular groove (10), it is characterized in that it also comprises two rolling bearings (7), rolling bearing (7) is separately positioned on the place, two ends of interior wheel (4), and rolling bearing (7) is set between the outer round surface of the bore area of foreign steamer (3) and interior wheel (4).

2, the reverse wheel of band carrier bearing according to claim 1, it is characterized in that it also comprises several pearls of rising (11), the pearl (11) of rising is a short cylindrical shape, rise by the diameter of pearl (1) greater than the diameter of the pearl of rising (11), the pearl (1) of rising is arranged on the large space place in wedge chamber (8), the pearl (11) of rising is arranged on the place, little space in wedge chamber (8), and the pearl of rising (11) is a disengaged position with piston ring (9).

3, the reverse wheel of band carrier bearing according to claim 1 is characterized in that bearing (4-1) for sleeping in is located to have on the outer round surface in the two ends of interior wheel (4), and the interior wheel of rolling bearing (7) is set on the bearing (4-1) for sleeping in.