CN2248801Y

CN2248801Y - Elastic sealing ring

Info

Publication number: CN2248801Y
Application number: CN 96206697
Authority: CN
Inventors: 周少刚
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-29
Filing date: 1996-03-29
Publication date: 1997-03-05
Anticipated expiration: 2006-03-29

Abstract

The utility model relates to an elastic sealing ring, belonging to a sealing device. At present, oil blocking rings of a bearing box are copper tooth structures, and a tooth grinding phenomenon can happen in the running process of a rotor to cause oil leakage, smoke leakage, and air leakage. A sealing device which is composed of an outer ring body, an inner ring body, a sealing ring which is arranged on the inner side of the inner ring body and is made from a high-temperature resistant plastic, and a sealing brush which is embedded on the outer ring body and is made of a steel wire or a copper wire. When oscillation is generated in the running of the rotor, the elastic sealing ring can generate elastic deformation, and a smaller design gap can be kept. The elastic sealing ring has no scratch to the rotor, and has good sealing performance to the bearing box. The elastic sealing ring can be used for the oil seal of various rotors.

Description

Elastic sealing ring

The utility model belongs to a kind of seal arrangement.

The existing mechanical rotor, cool off with lubricated at the high rotating speed lubricating oil filling that needs in service, because used seal arrangement is tooth-shape structure, in the rotor high-speed running, produce vibration, may scratch rotor, and add gap between greater trochanter and the Sealing, and cause generation leakage of oil in service, leak cigarette, gas leak phenomenon, promptly wasted lubricant oil befouling environment again.

The purpose of this utility model is to develop a kind of good seal performance, seal arrangement simple in structure.

Technical measures of the present utility model are as follows: elastic sealing device, it is made up of outer ring body 1, inner ring body 2, seal ring 3 and sealing brush 4, it is characterized in that seal ring 3 usefulness high-temperature resistance plastices are manufactured is contained in inner ring body 2 inboards, sealing brush 4 usefulness steel wires or copper wire are manufactured and are embedded on the outer ring body 1, form elastic sealing ring.

Description of drawings:

Fig. 1 is the elastic sealing ring structural representation;

Wherein: 1 is outer ring body; 2 is inner ring body; 3 is that seal ring, 4 is the sealing brush.

Fig. 2 is an A place enlarged view among Fig. 1.

The utility model has the advantage of: (1) is simple in structure, and is easy to process, Cost is low; (2) seal all adopts elastic material or has flexible structure, Make rotor in high-speed cruising, produce vibration and also can not scratch rotor. Maintenance is turned to Littler gap between son and the seal, prevent or alleviate leakage of oil, leak cigarette, The generation of gas leak phenomenon, it is again free from environmental pollution namely to save lubricating oil. (3) this bullet Property seal ring structure versatility is good, can be used for various rotor oil sealings, for example exists The Turbo-generator Set such as domestic 200,000,100,000,50,000,2.5 ten thousand, 1.2 ten thousand Upper each Seal in Bearing Box all can be used.

Introduce embodiment of the utility model in conjunction with the accompanying drawings:

Be used for the elastic sealing ring on the homemade 200,000 bearing of turbo generator set casees, outer ring body 1 external diameter is 650mm, the internal diameter of elastic sealing ring is 410mm, outer shroud and interior ring assembling width are 60mm, seal ring 3 usefulness teflon high-temperature resistance plastices are manufactured and are contained in inner ring body 2 inboards, and sealing brush 4 usefulness steel-wire for making are embedded on the outer ring body 1.

Claims

Elastic sealing ring belongs to a kind of seal arrangement, it is made up of outer ring body (1), inner ring body (2), seal ring (3) and sealing brush (4), it is characterized in that: seal ring (3) is manufactured with high-temperature resistance plastice and is contained in inner ring body (2) inboard, sealing brush (4) is manufactured with steel wire or copper wire and is embedded on the outer ring body (1), forms elastic sealing ring.