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Sealing device for end face of traversing part

A face sealing, component end technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of not being able to achieve long-term, perfect, stable and strict sealing, production line shutdown, bearing stuck, etc., and achieve a simple structure. , The effect of convenient installation and debugging, low cost

Inactive Publication Date: 2007-12-26
刘洪然 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These sealing methods cannot achieve a long-term, perfect, stable and strict seal when applied to a positive pressure conveying environment. Leakage incidents often occur, causing the bearing to be stuck, so it has to be shut down for maintenance. If it is an automated production line, it will cause the entire A production line was shut down, causing great losses

Method used

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  • Sealing device for end face of traversing part
  • Sealing device for end face of traversing part
  • Sealing device for end face of traversing part

Examples

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Embodiment Construction

[0017] Referring to Figure 3 and Figure 4, it is a schematic diagram of the three-way reversing valve in the normal positive pressure material conveying system. The function of the three-way reversing valve in the positive pressure conveying system is to change the flow direction of the material according to the system requirements. When the system needs to change When the material flows, the torque is input from the gear side, and the rotating shaft 36 rotates to another position, thereby changing the direction of the material (for example, the material enters from the B port and flows out from the C port, and the rotating shaft 36 seals the D port. After the reversing, the material flows from the B port enters through port D, flows out from port D, and the rotating shaft 36 seals port C, thereby changing the direction of the material). From the figure, we can see that the dust in the pipeline easily passes through the gap between the shaft 36 and the housing 23. When the rubb...

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Abstract

This discloses an end surface sealing device of turning around components composed of seal ring 1, seal ring 2 and an O-shape ring, in which a contact surface matched by the two seal rings is slide conical rub one, seal ring 1 is installed on a shaft with seal grooves on the contact surfaces with the shaft, ring 2 is installed in shell 37 and has seal grooves on the surfaces contacting with shell 23 and seal ring 1 and the O-shape ring provides pressure to combined sealing and realizes automatic compensation when sealing elements are worn out.

Description

technical field [0001] The invention relates to a rotary part end face sealing device, in particular to a self-compensating combined end face sealing device for a rotary part, belonging to the technical field of engineering sealing. Background technique [0002] Rotary moving parts are common moving parts in mechanical transmission, such as various shaft parts. The movement of rotary moving parts requires bearing support, and the seal at the bearing is very important. Fluid leakage due to poor sealing performance, and fluid or foreign matter entering between the shaft and the bearing will cause the bearing to be stuck and accelerate damage. Important reason for bearings. Especially for the three-way reversing valve working in the positive pressure material conveying environment, the seal at the bearing is even more important in the environment with severe dust pollution, and the end face seal of the current three-way reversing valve generally adopts Dust-proof sealing ring...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16
Inventor 刘洪然
Owner 刘洪然
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