CN203067555U

CN203067555U - Main shaft rust-proof seal assembly

Info

Publication number: CN203067555U
Application number: CN 201220563529
Authority: CN
Inventors: 时宝华
Original assignee: BENGBU HUASHUN ELECTRIC MACHINERY PLANT
Current assignee: BENGBU HUASHUN ELECTRIC MACHINERY PLANT
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2013-07-17
Anticipated expiration: 2022-10-30

Abstract

The utility model discloses a main shaft rust-proof seal assembly. The main shaft rust-proof seal assembly comprises a main shaft, wherein the two sides of the main shaft are respectively provided with a front bearing and a rear bearing, and shaft sleeves are sleeved on the outer walls of the front bearing and the rear bearings; the front and rear end surfaces of the shaft sleeves are respectively clamped with a front end cover and a rear end cover, a boss is arranged on the front end of the main shaft, and the inner side surface of the boss is clung to the outer end surface of the front end cover; and the inner side surface of the boss is of a labyrinth concave-convex structure, the main shaft of the front end of the front bearing is sleeved with a sponge mat, the side wall of the sponge mat is provided with an oil filling hole, and rust-proof oil is adsorbed in the sponge mat. The main shaft rust-proof seal assembly provided by the utility model has the advantages that the rust is avoided, the precision of a bearing is guaranteed, and the service life is prolonged.

Description

The antirust black box of a kind of main shaft

Technical field

The utility model specifically is the antirust black box of a kind of main shaft.

Background technique

End cap is installed on the main shaft, does not generally establish seal arrangement between main shaft and the end cap, but rubbish, dust, greasy dirt etc. enter in the main shaft bearing easily, have a strong impact on bearing accuracy and life-span.

The model utility content

The purpose of this utility model provides the antirust black box of a kind of main shaft, and sealing means is mazy type between front cover and the axle, has prevented that effectively foreign material from entering in the bearing, has guaranteed the stability of work.

The technical solution of the utility model is as follows:

The antirust black box of a kind of main shaft, include main shaft, the main shaft both sides are separately installed with fore bearing, rear bearing, described fore bearing, rear bearing outer wall are set with axle sleeve, the front and rear end of axle sleeve is installed with front cover, rear end cover respectively, the front end of described main shaft has boss, the inner side surface of boss is close to the exterior edge face of front cover, described boss inner side surface is the mazy type concaveconvex structure, be with sponge mat on the main shaft of the front end of described fore bearing, the sidewall of described sponge mat is provided with oil hole, is adsorbed with rust preventive oil in the described sponge mat.

The front end of the utility model main shaft is equipped with sponge mat, in sponge mat, adsorb rust preventive oil, effectively prevent from getting rusty, front end has boss, the inner side surface of boss is close to the exterior edge face of front cover, the boss inner side surface is the mazy type concaveconvex structure, thereby has prevented that effectively rubbish, dust, greasy dirt etc. from entering in the main shaft bearing easily, guaranteed bearing accuracy and life-span.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

Referring to Fig. 1, the antirust black box of a kind of main shaft, include main shaft 1, main shaft 1 both sides are separately installed with fore bearing 7, rear bearing 4, fore bearing 7, rear bearing 4 outer walls are set with axle sleeve 5, the front and rear end of axle sleeve 5 is installed with front cover 6, rear end cover 3 respectively, the front end of main shaft 1 has boss 2, the inner side surface of boss 2 is close to the exterior edge face of front cover 6, boss 2 inner side surfaces are the mazy type concaveconvex structure, be with sponge mat 8 on the main shaft 1 of the front end of described fore bearing 7, the sidewall of described sponge mat 8 is provided with oil hole 9, is adsorbed with rust preventive oil in the described sponge mat 8.

Claims

1. antirust black box of main shaft, include main shaft, the main shaft both sides are separately installed with fore bearing, rear bearing, described fore bearing, rear bearing outer wall are set with axle sleeve, the front and rear end of axle sleeve is installed with front cover, rear end cover respectively, it is characterized in that: the front end of described main shaft has boss, the inner side surface of boss is close to the exterior edge face of front cover, described boss inner side surface is the mazy type concaveconvex structure, be with sponge mat on the main shaft of the front end of described fore bearing, the sidewall of described sponge mat is provided with oil hole, is adsorbed with rust preventive oil in the described sponge mat.