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Self-lubricating mechanical seal

A mechanical seal and self-lubricating technology, which is applied to mechanical equipment, machines/engines, rotary piston type/swing piston type pump components, etc., can solve the problems of complex structure of the pump body and leakage of the pump body, so as to avoid medium leakage, Avoid leakage and ensure sealing effect

Active Publication Date: 2017-05-31
JIANGSU HONGSHENG PUMP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a self-lubricating mechanical seal, which solves the problem that the mechanical seal in the prior art mainly relies on medium lubrication to cause the pump body to easily leak and relies on the external hydraulic circulation system to provide lubricating oil lubrication, which makes the structure of the pump body more complex. complicated question

Method used

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Embodiment Construction

[0024] In the description of the present invention, "inside" facing the inside of the pump body and "outside" facing the outside of the pump body are only for the convenience of describing the present invention, rather than indicating or implying that the referred device or element must have a specific orientation. Furthermore, the terms "Barrier B", "O-ring A", "O-ring B", "O-ring C", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0025] Such as figure 1 , figure 2 as well as image 3 As shown, the mechanical seal 102 of the present invention includes a shaft sleeve 1, a static ring 15, a static ring seat 16, a moving ring 14, a spring 12, and a moving ring seat 11, and the static ring seat 16 is provided with an oil groove 17; The spring 12 is a wave spring, the top surface of the oil groove 17 is in contact with the shaft sleeve 1, the inner side of the oil groove 17 is closed by the raised block o...

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Abstract

The invention discloses a self-lubricating mechanical seal. The mechanical seal comprises a shaft sleeve, a fixed ring, a fixed ring base, a movable ring, a spring and a movable ring base. An oil groove is formed in the fixed ring base. The spring is a wavy spring. The self-lubricating mechanical seal is simple in structure, and by means of the mechanical seal adopting a single-end-face double-framework oil seal, the highest work pressure of a pump body can reach 5 MPa, the sealing effect is ensured, medium leakage is avoided, and the effect of environment protection is achieved; there is no need to provide lubricating oil for lubrication through an externally-hung hydraulic circulation system, the energy consumption is lowered to a certain extent, and the effect of energy conservation is achieved; and the spring is the wavy spring, the wavy spring is not likely to deform and cannot incline, and medium leakage is further avoided.

Description

technical field [0001] The invention relates to a pump body, in particular to a self-lubricating mechanical seal. Background technique [0002] A pump is a machine that transports or pressurizes a liquid. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. The pump is mainly used to transport liquids such as water, oil, acid and alkali liquid, emulsion, suspoemulsion and liquid metal, and can also transport liquid, gas mixture and liquid containing suspended solids. The screw pump is a displacement rotor pump, which relies on the volume change of the sealed cavity formed by the screw and the bush to suck and discharge the liquid. Screw pumps are divided into single screw pumps, double, three and five screw pumps according to the number of screws. The characteristics of the screw pump are stable flow, small pressure pulsation, self-priming ability, low noise, high efficiency, long life, and reli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C15/00
CPCF04C15/0026F04C15/0088
Inventor 张落成
Owner JIANGSU HONGSHENG PUMP TECH