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A sealing component and a pressure control device having the sealing component

A technology for sealing components and pressure control, which is applied to valve devices, engine seals, engine components, etc., and can solve the problem that the seal 202 cannot close the port 101, etc.

Active Publication Date: 2016-04-13
ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO LTD SHAOXING CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, although the possibility of leakage between the rod 201 and the seal 202 is reduced, the disadvantage is that when the rod 201 deflects for some reason during operation, the seal 202 must deflect along with the rod 201. inclined, at this time the seal 202 cannot close the port portion 101

Method used

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  • A sealing component and a pressure control device having the sealing component
  • A sealing component and a pressure control device having the sealing component
  • A sealing component and a pressure control device having the sealing component

Examples

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] figure 1 Shown is a schematic structural view of a specific embodiment 1 of the sealing component of the present invention, figure 2 shown as figure 1 Partial enlarged view of A in the center, image 3 Shown is a schematic structural diagram of the second embodiment of the sealing component of the present invention.

[0030] Such as figure 1 and figure 2 As shown, in this specific embodiment, the sealing component includes a driving rod 1 and a sealing disk 2 sheathed on the connecting portion of the driving rod 1 , and the sealing disk 2 can rotate relative to the axis of the driving rod 1 . The connecting portion of the driving rod 1 includes a first sealing portion 11 , a diameter-reducing portion 12 and a supporting portion 13 arranged in sequence from top to bottom. The sealing disc 2 includes a second sealing portion 21 and a first gui...

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PUM

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Abstract

The invention discloses a sealing component. The sealing component comprises a drive rod and a sealing plate arranged on the connection portion of the drive rod in a sleeved mode, the connection portion of the drive rod sequentially comprises a first sealing portion, a diameter reducing portion and a supporting portion, the sealing plate comprises a second sealing portion and a first guide portion, the second sealing portion is connected with the first sealing portion in a butt-joint mode, the first sealing portion, the diameter reducing portion, the supporting portion and the first guide portion constitute a containing cavity, a first sealing part is arranged in the containing cavity, a sealing adjustment cavity is formed among the first sealing portion, the first sealing part and the first guide portion, and the sealing plate can rotate relative to the axis of the drive rod. According to the sealing component, the drive plate is movably connected with the sealing plate, and automatic centering can be achieved. The invention further discloses a pressure control device with the sealing component.

Description

technical field [0001] The invention belongs to the technical field of sealing, and in particular relates to a sealing component and a pressure control device. Background technique [0002] Figure 7 Shown is a partial schematic diagram of an existing valve. [0003] As shown in the figure, the valve includes a valve seat part 100 and a sealing mechanism 200 that can move up and down relative to the valve seat part 100 . The sealing mechanism 200 includes a rod 201 and a seal 202 . When the sealing mechanism 200 moves up and down, the sealing member 202 can abut or move away from the port portion 101 of the valve seat member 100 . In order to ensure the airtightness between the rod 201 and the sealing member 202 when the sealing member 202 abuts against the port portion 101 , a method of fixing the two together by welding is often adopted in the prior art. At this time, although the possibility of leakage between the rod 201 and the seal 202 is reduced, the disadvantage is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/16F16K51/00
Inventor 不公告发明人
Owner ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO LTD SHAOXING CITY