CN204187002U - A kind of pneumatic plant piston ring packing assembly - Google Patents
A kind of pneumatic plant piston ring packing assembly Download PDFInfo
- Publication number
- CN204187002U CN204187002U CN201420543324.5U CN201420543324U CN204187002U CN 204187002 U CN204187002 U CN 204187002U CN 201420543324 U CN201420543324 U CN 201420543324U CN 204187002 U CN204187002 U CN 204187002U
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- China
- Prior art keywords
- piston ring
- ring packing
- main body
- fan main
- piston
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Abstract
The utility model discloses a kind of pneumatic plant piston ring packing assembly, the piston ring packing comprising fan main body, be arranged at the piston on fan main body and be arranged between piston and fan main body, described piston ring packing is arranged at outside the cylinder body of fan main body, described piston ring packing is untight loop configuration, inner surface and front and back side surface are hydraulically smooth surface, outer surface is provided with detent projection, and fan main body arranges piston place and is provided with the groove with detent projection adaptation.Adopt design of the present utility model, because piston ring packing is untight loop configuration, after loading groove, form loop configuration, under the effect of metal tension force, make the outside of sealing be close to groove, under the promotion of oil pressure, make sealing be close to recess sidewall, reach the object of barrier oil gas leakage.
Description
Technical field
The utility model relates to a kind of ring black box, particularly a kind of pneumatic plant piston ring packing assembly.
Background technique
Roots blower is a kind of positive displacement blower fan, and working pressure is higher, and at 60kpa-100kpa, during blower fan work, temperature is higher.Sealing between the main shaft of roots blower and housing generally adopts rubber framework grease seal sealing configuration, under long-time hot environment, run Sealing easily occur damaging oil leakage phenomenon, therefore outside framework oil seal becomes roots blower easily damaged parts, and due to the general plastic seal adopting airtight annular of existing ring sealing, after utility time is permanent, it is lax that plastic encapsulating material becomes, and causes the ability intercepting oil gas to reduce, can produce oil and gas leakage.
Model utility content
Goal of the invention: the purpose of this utility model be to solve existing roots blower ring black box in use between permanent after can produce ring and relax and the problem that causes oil and gas leakage.
Technological scheme: the utility model provides following technological scheme: a kind of pneumatic plant piston ring packing assembly, the piston ring packing comprising fan main body, be arranged at the piston on fan main body and be arranged between piston and fan main body, piston ring packing is arranged at outside the cylinder body of fan main body, described piston ring packing is untight loop configuration, inner surface and front and back side surface are hydraulically smooth surface, outer surface is provided with at least two row's detent projection, and fan main body arranges piston place and is provided with the groove with detent projection adaptation.
As optimization, the height of described detent projection is greater than the degree of depth of groove depression.
As optimization, the width of described detent projection is less than the distance between groove two side.
As optimization, described detent projection for equidistantly to arrange in piston ring packing.
As optimization, described piston ring packing is the sealing of dentation steel loop.
Working principle: piston ring packing is untight loop configuration when not being installed on fan main body, when being arranged on fan main body upper groove, two engages and just can form airtight annular, and now because the tension force that metal is intrinsic can expand outwardly, the outside of piston ring packing is made to be close to groove, blower fan is opened, if there is oil and gas leakage, under the promotion of oil pressure, make piston ring packing be close to recess sidewall, detent projection arranges row and can adjust according to the actual conditions of oil and gas leakage, reaches the object of barrier oil gas leakage.
Beneficial effect: the utility model compared with prior art: adopt design of the present utility model, because piston ring packing is untight loop configuration, loop configuration is formed after loading groove, the height of detent projection is greater than the degree of depth of groove depression, under the effect of metal tension force, make the outside of piston ring packing be close to groove, under the promotion of oil pressure, make piston ring packing be close to recess sidewall, reach the object of barrier oil gas leakage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model piston ring packing placement close-up schematic view;
Fig. 3 is the plan view of the uninstalled piston ring packing of the utility model;
Fig. 4 is working principle schematic diagram of the present utility model.
Embodiment
A kind of pneumatic plant piston ring packing assembly as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the piston ring packing 3 comprising fan main body 1, be arranged at the piston 2 on fan main body 1 and be arranged between piston 2 and fan main body 1, piston ring packing 3 is arranged at outside the cylinder body 4 of fan main body 1, described piston ring packing 3 is untight loop configuration, inner surface and front and back side surface are hydraulically smooth surface, outer surface is provided with four row's detent projection 5, and fan main body 1 arranges piston 2 place and is provided with the groove 6 with detent projection 5 adaptation.The height of detent projection 5 is 1.5cm, and the degree of depth of groove depression is 1cm.The width of detent projection 5 is 1.2cm, and the distance between groove two side is 2cm.Described detent projection distance is between any two 2cm.Described piston ring packing is the sealing of dentation steel loop.
Piston ring packing 3 is untight loop configuration when not being installed on fan main body 1, when being arranged on fan main body 1 upper groove 6, two engages and just can form airtight annular, and now because the tension force that metal is intrinsic can expand outwardly, the outside of piston ring packing 3 is made to be close to groove 6, blower fan is opened, if there is oil and gas leakage, under the promotion of oil pressure, make piston ring packing 3 be close to groove 6 sidewall, detent projection 5 arranges row and can adjust according to the actual conditions of oil and gas leakage, reaches the object of barrier oil gas leakage.
In actual measurement situation, find that two row's detent projection oil gas rejection rates reach 78%, three row's detent projection oil gas rejection rates reach 86%, and four row's detent projection oil gas rejection rates reach 93%.
Claims (5)
1. a pneumatic plant piston ring packing assembly, the piston ring packing comprising fan main body, be arranged at the piston on fan main body and be arranged between piston and fan main body, piston ring packing is arranged at outside the cylinder body of fan main body, it is characterized in that: described piston ring packing is untight loop configuration, inner surface and front and back side surface are hydraulically smooth surface, outer surface is provided with at least two row's detent projection, and fan main body arranges piston place and is provided with the groove with detent projection adaptation.
2. pneumatic plant piston ring packing assembly according to claim 1, is characterized in that: the height of described detent projection is greater than the degree of depth of groove depression.
3. pneumatic plant piston ring packing assembly according to claim 1, is characterized in that: the width of described detent projection is less than the distance between groove two side.
4. pneumatic plant piston ring packing assembly according to claim 1, is characterized in that: described detent projection for equidistantly to arrange in piston ring packing.
5. pneumatic plant piston ring packing assembly according to claim 1, is characterized in that: described piston ring packing is the sealing of dentation steel loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543324.5U CN204187002U (en) | 2014-09-10 | 2014-09-10 | A kind of pneumatic plant piston ring packing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543324.5U CN204187002U (en) | 2014-09-10 | 2014-09-10 | A kind of pneumatic plant piston ring packing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204187002U true CN204187002U (en) | 2015-03-04 |
Family
ID=52619005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543324.5U Active CN204187002U (en) | 2014-09-10 | 2014-09-10 | A kind of pneumatic plant piston ring packing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204187002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541866A (en) * | 2019-09-03 | 2019-12-06 | 浙江欧感机械制造有限公司 | Oil cylinder for pile foundation self-balancing method and self-sealing piston thereof |
-
2014
- 2014-09-10 CN CN201420543324.5U patent/CN204187002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541866A (en) * | 2019-09-03 | 2019-12-06 | 浙江欧感机械制造有限公司 | Oil cylinder for pile foundation self-balancing method and self-sealing piston thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |