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Ball jack-in method sealing

A flat sealing and jacking technology, which is applied in the direction of lift valves, engine components, mechanical equipment, etc., can solve problems such as leakage and reduced sealing effect, and achieve the effect of long service life and reliable sealing

Inactive Publication Date: 2006-12-20
董永斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fastening sealing method uses fasteners to compress the spherical body and the sealing seat to achieve sealing. During use, the spherical body and the sealing seat cannot be moved, and only has the airtight function; the rotary type uses fasteners to compress the spherical body and the sealing seat. Sealing, the spherical body can be moved during use, and the opening and closing of the sealing surface can be realized by selecting the channel and spherical surface on the spherical body. It has two functions of closing and opening the seal, but because the sealing surface can move relatively, the pre-tightening of the sealing surface The force will decrease with the increase of switching times, so that the sealing effect will be reduced, and finally the leakage will occur

Method used

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Examples

Experimental program
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Embodiment Construction

[0018] Figures 1 to 4 are implementations of general usage requirements.

[0019] In Fig. 1, the spherical body (7) is stuck in the card seat (6), and at this moment, the sealing seat (9) is opened.

[0020] In Fig. 2, the push rod (2) pushes the spherical body (7) out of the elastic clamping seat and presses against the sealing seat (9), at this time the sealing seat (9) is closed.

[0021] In Fig. 3, the push rod (2) is unscrewed upwards, the spherical body (7) leaves the sealing seat (9) under the action of the spring (8), and the sealing surface is opened. When the push rod (2) is fully unscrewed upwards, the spherical body (7) returns to the elastic clamping seat under the action of the spring (8), and the sealing seat is fully opened and the medium flux is maximum at this moment.

[0022] In Figure 4, the components can be combined into 1-N groups as needed.

[0023] Fig. 5 to Fig. 9 are implementations where secondary entry of the medium is not allowed in the applicat...

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PUM

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Abstract

The invention relates to a sealing method for lift sphere element, which first clamps the sphere element on the clamp bas, and uses lift rod to lift the sphere element into the sealing surface to be compressed to realize sealing when the sealing surface is needed to be closed.

Description

[0001] Technical field used [0002] The invention relates to a sealing method for pushing into a spherical body, which is especially suitable for fastening seals, pressure vessel seals and valve seals. Background technique [0003] At present, the known spherical surface sealing methods mostly adopt two kinds of fastening type and rotary type. The fastening sealing method uses fasteners to compress the spherical body and the sealing seat to achieve sealing. The spherical body and the sealing seat cannot be moved during use, and only has a sealing function; the rotary type uses fasteners to compress the spherical body and the sealing seat. Sealing, the spherical body can be moved during use, and the opening and closing of the sealing surface can be realized by selecting the channel and spherical surface on the spherical body. It has two functions of closing and opening the seal, but because the sealing surface can move relatively, the preload of the sealing surface The force ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/14
CPCF16K1/302F16K1/14
Inventor 董永斌
Owner 董永斌
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