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A shaft end sealing mechanism

A shaft end seal and seal seat technology, applied in the field of food conditioner sealing mechanism design, can solve problems such as inconvenient maintenance and uneven pre-tightening force, achieve uniform force application, reduce maintenance costs, and increase service life

Active Publication Date: 2022-02-22
FAMSUN CO LTD
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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 propose a new type of shaft end sealing mechanism for the problems of the existing packing sealing mechanism, such as uneven pre-tightening force and inconvenient maintenance.

Method used

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  • A shaft end sealing mechanism
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0022] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 , the present invention includes equipment end plate 1, regulator 2, lock nut 3, rotating shaft 4, compression sleeve 5, sealing material 6, sealing seat 7, backstop spring 8, roller 9, spring seat 10, tension spring 11. Washer 12, pre-tightening nut 13, guide stud 14, the sealing seat 7 is installed on the equipment end plate 1 through bolts, the outer circle of the sealing seat 7 is threaded, used to connect with the lock nut 3, the inner cavity of the sealing seat 7 The gap between it and the rotating shaft 4 is filled with sealing material 6; the lock nut 3 cooperates with the external thread of the seal seat 7 thr...

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Abstract

The invention discloses a shaft end sealing mechanism. The shaft end sealing mechanism includes an equipment end plate, a sealing seat, a locking nut and a compression sleeve. The sealing seat is installed on the equipment end plate. The sealing seat A rotating shaft is arranged inside the inside of the sealing seat, and a sealing material is arranged between the inner cavity of the sealing seat and the rotating shaft; the lock nut is installed on the sealing seat, the compression sleeve is arranged on the rotating shaft and It is located between the sealing material and the locking nut; turning the locking nut drives the shaft to move upward along the sealing seat, and the sealing material is squeezed and tightened through the compression sleeve to realize shaft sealing. end seal function. The present invention adopts an integral spiral pre-tightening structure, supplemented by a ball-type one-way check structure, and only needs to rotate one part of the lock nut to realize fast pre-tightening and timely locking, and the tensioning system can maintain a stable pre-tightening force , and can provide automatic compensation function, greatly increasing the service life of sealing materials.

Description

technical field [0001] The invention relates to a shaft end sealing mechanism, which belongs to the technical field of design of food conditioner sealing mechanism. Background technique [0002] Common conditioners and other equipment in the food, feed and other industries, due to the particularity of their working conditions, often adopt the packing seal method. The packing seal has strong adaptability and low cost. However, after wear and tear, the extrusion amount needs to be adjusted in time to maintain its seal. Effect. The existing packing sealing mechanism often adopts the flange compression method, and the axial extrusion force is provided by the bolts around the flange to meet the pre-tightening requirements of the packing. This method is difficult to ensure uniform extrusion force, resulting in one-sided In addition, all bolts need to be pre-tightened regularly, which requires a lot of work and high maintenance costs. Contents of the invention [0003] The tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/16
CPCF16J15/16
Inventor 闾宏彭君建
Owner FAMSUN CO LTD
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