CN203486504U

CN203486504U - Structure of carrier roller of belt conveyor

Info

Publication number: CN203486504U
Application number: CN201320580412.8U
Authority: CN
Inventors: 孙生强
Original assignee: Suzhou Lanwang Machine Tools Technology Co Ltd
Current assignee: Suzhou Lanwang Machine Tools Technology Co Ltd
Priority date: 2013-09-22
Filing date: 2013-09-22
Publication date: 2014-03-19
Anticipated expiration: 2023-09-22

Abstract

Provided is a structure of a carrier roller of a belt conveyor. The structure of the carrier roller of the belt conveyor comprises a roller, a middle shaft installed at the central axis of the roller through bearings, and sealing rings installed at the two ends of the roller. The structure of the carrier roller of the belt conveyor is characterized in that the sealing rings have a certain compression amount in the axis direction, so that the external circles of the sealing rings have the tendency to expand outwards, convex-shaped rings on the external circles of the sealing rings can make tight contact with the internal circle of the roller, and at the same time, due to the fact that O-type rubber rings are embedded into inward concave annular grooves, good mutual rotation can be achieved. Compared with the prior art, the structure of the carrier roller of the belt conveyor has the advantage of being good in sealing effect.

Description

The structure of idler for belt conveyer

Technical field

The utility model relates to band conveyor, is specifically related to the structure of idler for belt conveyer, belongs to the structure of idler for belt conveyer.

Background technology

Carrying roller is that above band conveyor, use amount is larger, also be the important spare part of band conveyor simultaneously, its structure generally comprises cylinder, by bearing, be arranged on the axis at centre of the drum's axis position, and the seal ring that is arranged on cylinder two-port position, difference slightly in concrete structure, although the carrying roller of existing band conveyor is in difference slightly in concrete structure, but, but, generally exist sealing effectiveness poor, in bearing, easily enter dust and other impurity, cause bearing to wear and tear improperly, not only can reduce the service life of bearing, and make further carrying roller not working, not only can make the energy consumption of band conveyor increase, even can make band conveyor normally work.

Summary of the invention

The purpose of this utility model is: for the existing above-mentioned defect of existing band conveyor, the utility model provides a kind of structure of novel idler for belt conveyer, overcomes the existing above-mentioned defect of structure of existing idler for belt conveyer.

The utility model is realized technical scheme that above-mentioned purpose adopts: the structure of described idler for belt conveyer, it is by axis, outer circlip, seal ring, O type rubber ring, spring coil, interior circlip, bearing, cylinder forms, described cylinder inside is hollow structure, axis is arranged on the central axis position of cylinder by being arranged on the bearing of cylinder both sides port position, an interior circlip is respectively set in the outside near bearings at both ends, these two interior circlips limit bearing in the movement of axis direction, near two inner port positions of cylinder, circlip outside is respectively being set, a seal ring is respectively set between circlip and outer circlip in each, in each, circlip and outer circlip are made certain amount of compression by seal ring at axis direction, on described seal ring with outer, be shaped with several convex rings, in described seal ring inner circle, be shaped with the circular groove of some indents, on the corresponding axis of circular groove of each indent, be provided with O type rubber ring, described O type rubber ring is embedded in the circular groove of indent, the inside of described seal ring is shaped with the annular V-shaped groove that cross sectional shape is V-type, on the interior off-balancesheet circle of annular V-shaped groove, be provided with spring coil, this spring coil makes to hold tightly between the endoporus of seal ring and axis.

Beneficial effect: in the utility model, because seal ring has certain amount of compression at axis direction, make the cylindrical of seal ring there is the trend of outside expansion, so, on seal ring with outer convex ring can realize and cylinder inner circle between close contact, simultaneously, because O type rubber ring is embedded in the circular groove of indent, can realize preferably mutual rotating effect, simultaneously, there are good sealing function, so, the utility model compared with prior art, there is the good advantage of sealing effectiveness, in bearing, be not easy to enter dust and other impurity, reduce bearing weares and teares improperly, improve the service life of bearing, and make further carrying roller go slick, the energy consumption that reduces band conveyor increases, assurance band conveyor is normally worked.

Accompanying drawing explanation

Accompanying drawing 1 is structural front view of the present utility model;

Accompanying drawing 2 is concrete structure figure of seal ring;

Shown in figure: 1, axis; 2, outer circlip; 3, seal ring; 4, O type rubber ring; 5, spring coil; 6, interior circlip; 7, bearing; 8, cylinder; 9, circular groove; 10, convex ring, 11, V-type groove.

The specific embodiment

By reference to the accompanying drawings 1 with accompanying drawing 2, the specific embodiment of the present utility model is:

The structure of described idler for belt conveyer, it is by axis (1), outer circlip (2), seal ring (3), O type rubber ring (4), spring coil (5), interior circlip (6), bearing (7), cylinder (8) forms, in cylinder (8) inside, it is hollow structure, axis (1) is arranged on the central axis position of cylinder (8) by being arranged on the bearing (7) of cylinder (8) both sides port position, in the outside near bearings at both ends (7), an interior circlip (6) is respectively set, these two interior circlips (6) restriction bearings (7) are in the movement of axis direction, near (8) two inner port positions of cylinder, circlip outside (2) is respectively being set, between circlip in each (6) and outer circlip (2), a seal ring (3) is respectively set, in each, circlip (8) is made certain amount of compression by seal ring (3) at axis direction with outer circlip (2), on described seal ring (3) cylindrical, be shaped with several convex rings (10), in described seal ring (3) inner circle, be shaped with the circular groove (9) of some indents, on the corresponding axis of circular groove (9) (1) of each indent, be provided with O type rubber ring (4), described O type rubber ring (4) is embedded in the circular groove (9) of indent, the inside of described seal ring (3) is shaped with the annular V-shaped groove (11) that cross sectional shape is V-type, on the interior off-balancesheet circle of annular V-shaped groove (11), be provided with spring coil (5), this spring coil (5) makes to hold tightly between the endoporus of seal ring (3) and axis (1).

Claims

1. the structure of an idler for belt conveyer, it is by axis (1), outer circlip (2), seal ring (3), O type rubber ring (4), spring coil (5), interior circlip (6), bearing (7), cylinder (8) forms, axis (1) is arranged on the central axis position of cylinder (8) by being arranged on the bearing (7) of cylinder (8) both sides port position, in the outside near bearings at both ends (7), an interior circlip (6) is respectively set, near (8) two inner port positions of cylinder, circlip outside (2) is respectively being set, between circlip in each (6) and outer circlip (2), a seal ring (3) is respectively set, it is characterized in that: in each, circlip (8) is made certain amount of compression by seal ring (3) at axis direction with outer circlip (2), on described seal ring (3) cylindrical, be shaped with several convex rings (10), in described seal ring (3) inner circle, be shaped with the circular groove (9) of some indents, on the corresponding axis of circular groove (9) (1) of each indent, be provided with O type rubber ring (4), described O type rubber ring (4) is embedded in the circular groove (9) of indent, the inside of described seal ring (3) is shaped with the annular V-shaped groove (11) that cross sectional shape is V-type, on the interior off-balancesheet circle of annular V-shaped groove (11), be provided with spring coil (5), this spring coil (5) makes to hold tightly between the endoporus of seal ring (3) and axis (1).