CN203258067U - Graphite packing - Google Patents
Graphite packing Download PDFInfo
- Publication number
- CN203258067U CN203258067U CN 201320232495 CN201320232495U CN203258067U CN 203258067 U CN203258067 U CN 203258067U CN 201320232495 CN201320232495 CN 201320232495 CN 201320232495 U CN201320232495 U CN 201320232495U CN 203258067 U CN203258067 U CN 203258067U
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- China
- Prior art keywords
- graphite
- inconel
- layer
- packing
- net
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a graphite packing. The graphite packing comprises a strip-shaped body which is formed by a plurality of compound graphite wires in a woven mode. The graphite packing is characterized in that each compound graphite wire comprises a metal inconel filament, a glass fiber layer, a graphite wire body layer and an outer-layer metal inconel net, the metal inconel filament is arranged on the inner layer, the glass fiber layer wraps the metal inconel filament, the graphite wire body layer wraps the glass fiber layer, and the outer-layer metal inconel net warps the graphite wire body layer. Compared with the prior art, the graphite packing has the advantages that due to the fact that each compound graphite wire of the graphite packing is formed according to the method that the inconel filament is added to graphite wire bodies which are strengthened by glass fibers, the graphite wire bodies are twisted, the twisted graphite wire bodies are sleeved with the inconel net, and then the twisted graphite wires sleeved with the inconel net are placed on a packing weaving machine to be woven, the mechanical strength of products is remarkably improved, the service life of the products is long and the stretching-resistant effect of the products is good.
Description
Technical field
The utility model relates to a kind of graphite packing.
Background technique
Packing is also named stuffing box packing, the bar that is usually formed by soft thread braiding, and the sectional area of packing is square or rectangular or circle usually, packing is filled in the seal chamber, thereby realizes sealing.Stuffing box packing is to stop liquid to be revealed in leakage with fiber plug such as linen-cottons the earliest, mainly is used as the shaft seal of axis body water lifting machinery.Because fill source is extensive, easy processing is cheap, and sealing is reliable, and is simple to operate, so use till today.Packing is widely used in the rotating shaft sealing of centrifugal pump, compressor, vacuum pump, stirrer and propeller for vessels now, the to-and-fro motion shaft seal of reciprocating pump, reciprocal compressor, refrigerator, and the turn sealing of various valve rods etc.
Packing seal is loaded in the stuffing box by filler, filler is pressed on the surface of axle by Gland.Some is coarse because the axle total surface is understood, and its and filler can only be that part is fitted, and not contact of part, so can form numerous labyrinth.When pressure medium was surperficial by axle, medium was reached sealing by repeatedly throttling by means of this " labyrinth effect ".The applying on filler and axle surface, friction, also similar sliding bearing admittedly should there be enough liquid to be lubricated, is sealed with certain life-span, i.e. so-called " bearing effect " with assurance.Filler produces by tightening gland bolt the impacting force of axle.Because filler is elastic plastic body, after being subject to axial compression, producing frictional force and cause impacting force to reduce gradually vertically, the radial compaction power that produces simultaneously makes filler be close to the axle surface and stops medium to leak outside.The radial compaction force distribution to the inner, became mild by outer end (gland) after sharply successively decreasing before this, the distribution of pressure medium is successively decreased gradually outward by the inner, when the outer end pressure medium is zero, then leaked seldom.
Material as filler should possess following characteristic: certain elastoplasticity is arranged, when being subjected to axial compression, filler can produce larger radial compaction power, obtaining sealing, when machine and axle have vibration or axle to have to beat and be eccentric, certain compensation ability (tracing ability) can be arranged; Chemical stability, neither by medium institute burn into swelling, also pollution medium not; Impermeability, medium all has some infiltrations to most of fiber, so require filler dense structure, often needs dipping for this reason when making filler, fills various oiling agents and bulking agent; Self lubricity is good, and friction factor is little and wear-resisting; Temperature tolerance can bear certain temperature after frictional heating.
At present, the graphite packing is one type that often uses in the packing, and its advantage is that heat-conductive characteristic is better, but because the graphite material itself that uses in the graphite packing is comparatively fragile, so in use the surface comes off easily, cause greatly shorten the working life of graphite packing.
The model utility content
Technical problem to be solved in the utility model is to provide the graphite packing that a kind of mechanical strength is high, the life-span is long, stretching resistance is effective for above-mentioned prior art.
The utility model solves the problems of the technologies described above the technological scheme that adopts: this graphite packing, comprise the strip body that many composite stone line of ink marker braidings form, it is characterized in that: the structure of the every composite stone line of ink marker is: the metal inconel silk that is arranged on internal layer, be wrapped in the outer glass fibre layer of metal inconel silk, be wrapped in the outer graphite line layer of glass fibre layer, be wrapped in the outer outer layer metal inconel net of graphite line layer.
It is circular or oval that the sectional area of described strip body is square or rectangular.
Compared with prior art, the utility model has the advantage of: the composite stone line of ink marker that the graphite packing that the utility model provides adopts is after being processed through twisting by the graphite line that adds the enhancing of Inconel silk process glass, put the Inconel net, then be placed on to weave on the disk base braider and form, the mechanical strength of product obviously improves, the life-span long, the stretching resistance effect might as well.
Description of drawings
Fig. 1 is the structural representation of the composite stone line of ink marker among the utility model embodiment.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
The utility model provides a kind of graphite packing, this graphite packing is formed by many composite stone line of ink marker braidings, it is circular or oval that its sectional area can be square or rectangular, the every composite stone line of ink marker adopts multiple complex technique to form: the metal inconel silk 1 that is arranged on internal layer, be wrapped in the glass fibre layer 2 outside the metal inconel silk 1, be wrapped in the graphite line layer 3 outside the glass fibre layer 2, be wrapped in the outer layer metal inconel net 4 outside the graphite line layer 3.
Built-in metal inconel silk 1 has improved the mechanical strength of graphite, glass fibre layer has strengthened the stretching resistance of graphite line, the outer layer metal inconel net 4 of graphite line layer 3 has strengthened the rebound degree of graphite line, has also effectively improved the flaky shortcoming of graphite surface simultaneously.Inconel is inconel, has good mechanical strength, corrosion-resistant and do oxidizability.
Claims (2)
1. graphite packing, comprise the strip body that many composite stone line of ink marker braidings form, it is characterized in that: the structure of the every composite stone line of ink marker is: the metal inconel silk that is arranged on internal layer, be wrapped in the outer glass fibre layer of metal inconel silk, be wrapped in the outer graphite line layer of glass fibre layer, be wrapped in the outer outer layer metal inconel net of graphite line layer.
2. graphite packing according to claim 1, it is characterized in that: it is circular or oval that the sectional area of described strip body is square or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320232495 CN203258067U (en) | 2013-04-28 | 2013-04-28 | Graphite packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320232495 CN203258067U (en) | 2013-04-28 | 2013-04-28 | Graphite packing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258067U true CN203258067U (en) | 2013-10-30 |
Family
ID=49470630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320232495 Expired - Fee Related CN203258067U (en) | 2013-04-28 | 2013-04-28 | Graphite packing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387764A (en) * | 2017-06-28 | 2017-11-24 | 太仓市凯诺石墨密封制品有限公司 | A kind of heat resistant and wear resistant type graphite packing |
| CN110318158A (en) * | 2019-07-25 | 2019-10-11 | 航天特种材料及工艺技术研究所 | A kind of high temperature dynamic sealing material and preparation method thereof |
-
2013
- 2013-04-28 CN CN 201320232495 patent/CN203258067U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387764A (en) * | 2017-06-28 | 2017-11-24 | 太仓市凯诺石墨密封制品有限公司 | A kind of heat resistant and wear resistant type graphite packing |
| CN110318158A (en) * | 2019-07-25 | 2019-10-11 | 航天特种材料及工艺技术研究所 | A kind of high temperature dynamic sealing material and preparation method thereof |
| CN110318158B (en) * | 2019-07-25 | 2021-08-20 | 航天特种材料及工艺技术研究所 | High-temperature dynamic sealing material and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20190428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |