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Shaft end sealing mechanism

A shaft end sealing and sealing seat technology, which is applied in the design field of the sealing mechanism of food conditioners, can solve the problems of uneven preloading force and inconvenient maintenance, achieve uniform force application, increase service life, fast preloading and timely locking stop effect

Active Publication Date: 2020-06-05
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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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 with 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 th...

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Abstract

The invention discloses a shaft end sealing mechanism. The shaft end sealing mechanism comprises an equipment end plate, a sealing base, a lock nut and a compression sleeve, wherein the sealing base is arranged on the equipment end plate; a rotating shaft is arranged inside the sealing base in a matching way; a sealing material is arranged between the inner cavity of the sealing base and the rotating shaft; the lock nut is arranged on the sealing base; the compression sleeve is arranged on the rotating shaft and is positioned between the sealing material and the lock nut; the lock nut is rotated to drive the rotating shaft to move upwards along the sealing base; and the sealing material is extruded and tensioned by the compression sleeve to realize a shaft end sealing function. According to the shaft end sealing mechanism, an integral spiral pre-tightening structure is adopted together with a ball-type one-way non-return structure, so that rapid pre-tightening and timely locking can berealized by only rotating the lock nut. The tensioning system can keep stable pre-tightening force, and has an automatic compensation function, so that the service life of the sealing material is prolonged greatly.

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 Applications(China)
IPC IPC(8): F16J15/16
CPCF16J15/16
Inventor 闾宏彭君建
Owner FAMSUN CO LTD
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