Mechanical sealing device

A technology of mechanical sealing device and bellows, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of poor spring automatic compensation ability, long spring length, and poor axial recovery ability of spring, etc., to achieve extended service life , reduce torque and prevent damage
CN109944945AInactive Publication Date: 2019-06-28王会丽
0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
王会丽
Publication Date
2019-06-28
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a mechanical sealing device, and belongs to the technical field of sealing systems. The device solves the technical problems that in the case of an existing mechanical sealing device, a spring is poor in automatic compensation capability and short in service life. The mechanical sealing device comprises a rotary shaft, a corrugated pipe and a movable ring, wherein the corrugated pipe and the movable ring are arranged on the rotary shaft, a spring seat is arranged on the corrugated pipe, first annular grooves are formed in the spring seat, first springs are located in thefirst annular grooves, two symmetrical guide cylinders with accommodating cavities are arranged on the spring seat in the axial direction, guide rods which penetrate through the guide cylinders and the spring seat and are connected with the spring seat are arranged in the accommodating cavities, fixing shafts are transversely arranged on the guide rods, second springs are arranged in the accommodating cavities, the second springs are arranged on the guide rods in a sleeving mode, blind holes are axially formed in the front end surface of the movable ring, and the rear ends of the guide rods are fixed in the blind holes. The second springs help the first spring to be rapidly restored under the compression condition, so that the automatic compensation capability of the first spring is relatively high.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of sealing systems, and relates to a mechanical sealing device, in particular to a mechanical sealing device suitable for complex environments such as papermaking, sugar making, and sewage treatment. Background technique

[0002] The mechanical seal device is a shaft seal device that relies on a pair or several pairs of end faces that are perpendicular to the shaft to slide relative to each other under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism, and is matched with auxiliary seals to achieve leakage prevention. Compared with other types of sealing devices, it has the advantages of high reliability, long service life, good mechanical friction, and wide application range, so it is widely used in various fields of life.

[0003] The existing mechanical seal device includes a static ring assembly and a moving ring assembly. The static ring assembly includ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More