CN1270085C - Sealing rubber for preventing gas leakage in compressor and producing method thereof - Google Patents
Sealing rubber for preventing gas leakage in compressor and producing method thereof Download PDFInfo
- Publication number
- CN1270085C CN1270085C CN 02158655 CN02158655A CN1270085C CN 1270085 C CN1270085 C CN 1270085C CN 02158655 CN02158655 CN 02158655 CN 02158655 A CN02158655 A CN 02158655A CN 1270085 C CN1270085 C CN 1270085C
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- China
- Prior art keywords
- sealing rubber
- compressor
- gas leakage
- rubber plug
- conduit
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- Expired - Fee Related
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- Compressor (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The present invention discloses a sealing rubber for preventing gas leakage in a compressor and a preparation method thereof. The sealing rubber comprises a trunk part for being inserted in the guide tube of a liquid storing tank of a compressor or the upper end of a tower top guiding pipe to avoid gas leakage, and a top at the upper end of the trunk part, wherein the trunk part comes into contact with the inner wall of the guide tube of the liquid storing tank or the inner wall of the tower top guiding tube and is provided with a rough outer surface; the top is formed by outward projecting along the circumference of the trunk part. The sealing rubber has the preparation method that (1) a mould is made and can carry out electricity resistance processing to the outer peripherical surface of a shaped trunk part in order to cause the outer peripherical surface to have the rough surface; (2) the mould is used for shaping. The sealing rubber provided by the present invention for preventing gas leakage in the compressor has the advantages of difficult fall, good sealability and simple preparation method.
Description
Technical field
The present invention relates to prevent in a kind of compressor the sealing rubber plug of gas leakage, particularly relate to the sealing rubber plug that prevents gas leakage in a kind of difficult drop-off and the sealing good compression machine.
Background technique
Fig. 1 is the compressor arrangement schematic representation of prior art.Fig. 2 is the sealing rubber plug stereogram among Fig. 1.As shown in Figure 1 and Figure 2, the compressor of prior art comprises compressor body 5; The liquid container 4 that compressor body 5 sides are provided with; The liquid container conduit 2 that liquid container 4 is provided with above; The cat head conduit 3 that compressor body 5 is provided with above; Be inserted in the sealing rubber plug 10 that can prevent in liquid container conduit 2 and the cat head conduit 3 that nitrogen from leaking.Sealing rubber plug 10 is the stem portion 12 that contacted by the inner peripheral surface with liquid container conduit 2 and cat head conduit 3; Be formed on the top of stem portion 12 and inner and at outstanding can being constituted of forming of its circumference of upper end edge of stem portion 12 by the top 11 that block liquid container conduit 2 and cat head conduit 3 upper ends in order to prevent that sealing rubber plug 10 is inserted into liquid container conduit 2 and cat head conduit 3 fully.For to the inside of compressor nitrogen injection, in cat head conduit 3 and liquid container conduit 2, insert sealing rubber plug 10, then gas is injected pin and be inserted on the sealing rubber plug 10 injecting gas then.But, because the surperficial smoother of the sealing rubber plug 10 of this prior art, and the inwall of liquid container conduit 2 and cat head conduit 3 also can become smooth because of oil remaining in the oiling process, causes when injecting gas that like this internal pressure the problem that sealing rubber plug 10 outwards comes off can occur when rising.
Summary of the invention
In order to address the above problem, the object of the invention is to provide the sealing rubber plug that prevents gas leakage in a kind of difficult drop-off and the sealing good compression machine.
In order to achieve the above object, the sealing rubber plug that prevents gas leakage in the compressor provided by the invention upper end that comprises the liquid container conduit that is inserted in compressor or cat head conduit with gas leakage prevention and with the contacted stem portion of inwall of liquid container conduit or cat head conduit; With the upper end edge of stem portion its circumferential outside the outstanding top that forms; Described stem portion has the rough external surface that is produced by electro discharge treatment.
The sealing rubber plug difficult drop-off and the sealing that prevent gas leakage in the compressor provided by the invention are good, and its manufacture method is simple.
Description of drawings
Below in conjunction with the drawings and specific embodiments the sealing rubber plug that prevents gas leakage in the compressor of the present invention is elaborated.
Fig. 1 is the compressor arrangement schematic representation of prior art.
Fig. 2 is the sealing rubber plug stereogram among Fig. 1.
Fig. 3 is the sealing rubber plug stereogram that prevents gas leakage of the present invention.
Fig. 4 is the sealing rubber plug leakiness test resolution of prior art.
Fig. 5 is a sealing rubber plug leakiness test resolution of the present invention.
Embodiment
In the present invention, identical with the compressor of prior art structure is used identical symbol.Fig. 3 is the sealing rubber plug stereogram that prevents gas leakage of the present invention.As shown in Figure 3, the sealing rubber plug 110 that prevents gas leakage in the compressor of the present invention by with the contacted stem portion 121 of the inwall of liquid container conduit 2 and cat head conduit 3; With for prevent sealing rubber plug 110 be inserted into fully liquid container conduit 2 and cat head conduit 3 inside and at its outstanding can being constituted of forming outside circumferential of the upper end edge of stem portion 121 by the top 111 that block liquid container conduit 2 and cat head conduit 3 upper ends.And stem portion 121 outer circumferential faces have passed through roughened surface treatment.The sealing rubber plug manufacture method that prevents gas leakage in the compressor of the present invention comprises that making can prevent electric treatment so that it has the stage of the mould of rough surface with the outer circumferential face of in type stem portion 121; With the stage of using mould to carry out moulding.The method of moulding can be used injection molding method or compre sion molding method, and the forming method difference, and the making method of mould is also different.For to the inside of compressor nitrogen injection, in cat head conduit 3 and liquid container conduit 2, insert sealing rubber plug 110, then gas is injected pin and be inserted on the sealing rubber plug 110 injecting gas then.When gas was injected into to a certain degree, the compressor pressure inside will rise.But, because the outer circumferential face of sealing rubber plug 110 of the present invention is more coarse, its inwall with cat head conduit 3 and liquid container conduit 2 is tightly combined, thereby can prevent that sealing rubber plug 110 from outwards coming off and improved sealing effect.
Fig. 4 is the sealing rubber plug leakiness test resolution of prior art.Fig. 5 is a sealing rubber plug leakiness test resolution of the present invention.Above-mentioned chart is the result that 8 sealing rubber plugs are tested, and the data representation leakiness in the chart on the transverse axis, histogrammic height are represented corresponding sealing rubber plug numeral, and vertical dotted line USL then is a CLV ceiling limit value, and this value is 0.2.As can be seen from Figure 4, the sealing rubber plug of prior art is most to surpass CLV ceiling limit value, and as can be seen from Figure 5, sealing rubber plug of the present invention does not all surpass CLV ceiling limit value.And the Ppk value of the sealing rubber plug of prior art has only 0.13, and sealing rubber plug of the present invention is 13.72, and its anti-leak result is very obvious as can be seen from these data.At this moment, Ppk uses is unit in the statistical method, and it is for showing the index of chronicity quality ability, and ordinary circumstance is issued to just thinks the stable level that reaches more than 4.5.
Claims (1)
1, prevent the sealing rubber plug of gas leakage in a kind of compressor, it upper end that comprises the liquid container conduit (2) that is inserted in compressor or cat head conduit (3) with gas leakage prevention and with the contacted stem portion of inwall (121) of liquid container conduit (2) or cat head conduit (3); With the upper end edge of stem portion (121) its circumferential outside the outstanding napex (111) that forms; It is characterized in that: described stem portion (121) has the rough external surface that is produced by electro discharge treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02158655 CN1270085C (en) | 2002-12-25 | 2002-12-25 | Sealing rubber for preventing gas leakage in compressor and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02158655 CN1270085C (en) | 2002-12-25 | 2002-12-25 | Sealing rubber for preventing gas leakage in compressor and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510096A CN1510096A (en) | 2004-07-07 |
| CN1270085C true CN1270085C (en) | 2006-08-16 |
Family
ID=34237120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02158655 Expired - Fee Related CN1270085C (en) | 2002-12-25 | 2002-12-25 | Sealing rubber for preventing gas leakage in compressor and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1270085C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767113A (en) * | 2016-12-27 | 2017-05-31 | 合肥宏立制冷科技有限公司 | A kind of new easy plug rubber stopper |
-
2002
- 2002-12-25 CN CN 02158655 patent/CN1270085C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1510096A (en) | 2004-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20100125 |