CN204783558U - Spiral fuel tap of scraping of compressor - Google Patents
Spiral fuel tap of scraping of compressor Download PDFInfo
- Publication number
- CN204783558U CN204783558U CN201520476488.5U CN201520476488U CN204783558U CN 204783558 U CN204783558 U CN 204783558U CN 201520476488 U CN201520476488 U CN 201520476488U CN 204783558 U CN204783558 U CN 204783558U
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- CN
- China
- Prior art keywords
- scraper ring
- compressor
- piston rod
- fuel tap
- duct
- Prior art date
- 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 discloses a spiral fuel tap of scraping of compressor, including disk seat, screw -tupe scraper ring and cushion the utility model provides a spiral fuel tap of scraping of compressor can use and carry out the frizing to the piston rod in the compressor. When this spiral fuel tap of scraping of compressor used in the compressor, the piston rod inserted in the piston rod hole and passes the screw -tupe scraper ring in proper order with the cushion then connect the piston, this spiral fuel tap of scraping of compressor the adoption can install for piston rod pivoted mode. So, rotate and piston rod reciprocating motion in -process for the piston rod at the screw -tupe scraper ring, the loop configuration of screw -tupe scraper ring through a plurality of continuous settings be to the piston rod formula frizing that goes forward one by one, and scrape the domatic backward flow downward flow that lubricating oil down passes through the frustum pore, avoids lubricating oil to remain on the screw -tupe scraper ring and along with the relative motion of screw -tupe scraper ring and piston rod reattaches on the piston rod.
Description
Technical field
The utility model relates to Compressor Technology field, particularly relates to that a kind of compressor is spiral scrapes fuel tap.
Background technique
In the working procedure of upper oil lubrication reciprocating-piston compressor, the lubricant oil strictly forbidding in crankcase enters cylinder and is mixed into compressed medium, one is the turbidity test in order to ensure compressed medium, two is in order to safety, some special media becomes very inflammable and explosive after mixing with oil, or has chemical reaction to produce.
Piston rod in reciprocating-piston compressor runs through the crankcase of oil and the cylinder without oil, for avoiding piston rod lubricant oil brought into the splash lubrication oil that cylinder and crosshead high-speed motion produce and enter cylinder, arranging oil wiper in the middle extend neck between crankcase and cylinder becomes necessary.
Common oil wiper design, its attention focuses mostly on scraper ring, usual employing one group of metal scraper ring and a retable material scraper ring, or two groups of metal scraper rings add a retable material scraper ring, both added cost, also increased the friction of ring to piston rod, and piston rod was generated heat serious, scraper ring service life reduction, frictional work increases.And the scraper ring of monocycle pattern also cannot ensure that the lubricant oil on piston rod is thoroughly struck off.
Model utility content
Based on the technical problem that background technique exists, the utility model proposes that a kind of compressor is spiral scrapes fuel tap.
A kind of compressor that the utility model proposes is spiral scrapes fuel tap, comprises valve seat, screw type scraper ring and cushion;
Valve seat is provided with rod aperture, and rod aperture is coaxially spliced to form by one section of frustum duct and one section of cylindrical duct, and frustum duct is greater than its circular section diameter near one end of cylindrical duct away from the circular section diameter of one end of cylindrical duct; Cushion is fitted on the inwall of cylindrical duct away from the one end in frustum duct; Screw type scraper ring is fitted on the inwall of rod aperture, and its one end is arranged in frustum duct, and the other end is against cushion, and screw type scraper ring is wrapped on the cylndrical surface with axis and rod aperture dead in line.
Preferably, screw type scraper ring and valve seat one-body molded.
Preferably, screw type scraper ring is arranged in frustum duct, and cushion is arranged in cylindrical duct.
Preferably, screw type scraper ring to be arranged in frustum duct and to extend in cylindrical duct, and cushion is arranged in cylindrical duct.
Preferably, valve seat periphery is provided with and is no less than a circle perpendicular to the convex thick stick of rod aperture central shaft or groove.
Preferably, also comprise scraper ring, scraper ring and rod aperture are coaxially arranged on valve seat.
Preferably, scraper ring and valve seat one-body molded.
The compressor that the utility model provides is spiral to be scraped fuel tap and can be applicable in compressor and carry out frizing to piston rod.This compressor is spiral scrapes fuel tap when being applied in compressor, and piston rod to insert in rod aperture and is then connected piston through screw type scraper ring with cushion successively, and the spiral fuel tap of scraping of this compressor adopts and can install relative to the mode of piston rod rotation.So, at screw type scraper ring relative to piston rod rotation and in piston rod reciprocatory movement, screw type scraper ring carries out laddering frizing by the loop configuration of multiple continuous setting to piston rod, and the lubricant oil scraped is flowed downward by the domatic backflow in frustum duct, avoid lubricant oil to remain on screw type scraper ring and again adhere on the piston rod along with the relative movement of screw type scraper ring and piston rod.
In the utility model, the application of screw type scraper ring, can ensure the validity struck off lubricant oil on piston rod, and by the further wiping of cushion to piston rod, can stop lubricant oil along with the to-and-fro motion of piston rod be mixed into pressurized gas may.
Accompanying drawing explanation
Fig. 1 is the spiral structural representation scraping fuel tap of a kind of compressor that the utility model proposes.
Embodiment
With reference to Fig. 1, a kind of compressor that the utility model proposes is spiral scrapes fuel tap, comprises valve seat 1, screw type scraper ring 2 and cushion 3.
Valve seat 1 is provided with rod aperture 4, and rod aperture 4 is coaxially spliced to form by one section of frustum duct 4A and section cylindrical duct 4B, and frustum duct 4A is greater than its circular section diameter near one end of cylindrical duct 4B away from the circular section diameter of one end of cylindrical duct 4B.
Cushion 3 is fitted on the inwall of cylindrical duct 4B away from one end of frustum duct 4A.Screw type scraper ring 2 is fitted on the inwall of rod aperture 4, its one end is arranged in frustum duct 4A, the other end is against cushion 3, screw type scraper ring 2 is wrapped on the cylndrical surface with axis and rod aperture 4 dead in line, can insert in screw type scraper ring 2 one with the rod-like structure of rod aperture 4 dead in line.Particularly, screw type scraper ring 2 is arranged in the 4A of frustum duct, and cushion 3 is arranged in cylindrical duct 4B; Or screw type scraper ring 2 to be arranged in the 4A of frustum duct and to extend in cylindrical duct 4B, and cushion 3 is arranged in cylindrical duct 4B.
The compressor that present embodiment provides is spiral to be scraped fuel tap and can be applicable in compressor and carry out frizing to piston rod 100.This compressor is spiral scrapes fuel tap when being applied in compressor, piston rod 100 inserts in rod aperture 4 and is also then connected piston through screw type scraper ring 2 with cushion 3 successively, and the spiral fuel tap of scraping of this compressor adopts the mode can rotated relative to piston rod 100 install.So, to rotate relative to piston rod 100 and in piston rod 100 reciprocatory movement at screw type scraper ring 2, screw type scraper ring 2 carries out laddering frizing by the loop configuration of multiple continuous setting to piston rod 100, and the lubricant oil scraped is flowed downward by the domatic backflow of frustum duct 4A, avoid lubricant oil to remain on screw type scraper ring 2 and be again attached on piston rod 100 along with the relative movement of screw type scraper ring 2 with piston rod 100.Cushion 3 is made up of elastic material, specifically can adopt rubber material, and along with the motion of piston rod 100, further wiping is carried out on cushion 3 pairs of piston rod 100 surfaces, avoids lubricant oil residual on piston rod 100 to enter pressurized gas.Particularly, screw type scraper ring 2 is one-body molded with valve seat 1.
The spiral fuel tap of scraping of this compressor also comprises scraper ring 5, scraper ring 5 and rod aperture 4 are coaxially arranged on valve seat 1, piston rod 100 inserts in rod aperture 4 through after scraper ring 5, and scraper ring 5 pairs of piston rods 100 carry out frizing first, thus can reduce the working pressure of screw type scraper ring 2.Particularly, scraper ring 5 is one-body molded with valve seat 1.
In present embodiment, valve seat 1 periphery is provided with and is no less than a circle perpendicular to the convex thick stick of rod aperture 4 central shaft or groove, and compressor body is provided with and the groove of convex thick stick or fit depressions or convex thick stick.So, by coordinating of convex thick stick and groove, can ensure that valve seat 1 is installed in rotation in compressor, and ensure the stable of mounting structure.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and model utility design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (7)
1. compressor is spiral scrapes a fuel tap, it is characterized in that, comprises valve seat (1), screw type scraper ring (2) and cushion (3);
Valve seat (1) is provided with rod aperture (4), rod aperture (4) is coaxially spliced to form by one section of frustum duct (4A) and one section of cylindrical duct (4B), and frustum duct (4A) is greater than its circular section diameter near one end of cylindrical duct (4B) away from the circular section diameter of one end of cylindrical duct (4B); Cushion (3) is fitted on the inwall of cylindrical duct (4B) away from the one end of frustum duct (4A); Screw type scraper ring (2) is fitted on the inwall of rod aperture (4), its one end is arranged in frustum duct (4A), the other end is against cushion (3), and screw type scraper ring (2) is wrapped on the cylndrical surface with axis and rod aperture (4) dead in line.
2. compressor is spiral as claimed in claim 1 scrapes fuel tap, and it is characterized in that, screw type scraper ring (2) is one-body molded with valve seat (1).
3. compressor is spiral as claimed in claim 2 scrapes fuel tap, and it is characterized in that, screw type scraper ring (2) is arranged in frustum duct (4A), and cushion (3) is arranged in cylindrical duct (4B).
4. compressor is spiral as claimed in claim 2 scrapes fuel tap, it is characterized in that, screw type scraper ring (2) to be arranged in frustum duct (4A) and to extend in cylindrical duct (4B), and cushion (3) is arranged in cylindrical duct (4B).
5. as claimed in claim 1 compressor is spiral scrapes fuel tap, it is characterized in that, valve seat (1) periphery is provided with and is no less than a circle perpendicular to the convex thick stick of rod aperture (4) central shaft or groove.
6. compressor is spiral as claimed in claim 1 scrapes fuel tap, and it is characterized in that, also comprise scraper ring (5), scraper ring (5) and rod aperture (4) are coaxially arranged on valve seat (1).
7. compressor is spiral as claimed in claim 6 scrapes fuel tap, and it is characterized in that, scraper ring (5) is one-body molded with valve seat (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520476488.5U CN204783558U (en) | 2015-06-30 | 2015-06-30 | Spiral fuel tap of scraping of compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520476488.5U CN204783558U (en) | 2015-06-30 | 2015-06-30 | Spiral fuel tap of scraping of compressor |
Publications (1)
Publication Number | Publication Date |
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CN204783558U true CN204783558U (en) | 2015-11-18 |
Family
ID=54523618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520476488.5U Expired - Fee Related CN204783558U (en) | 2015-06-30 | 2015-06-30 | Spiral fuel tap of scraping of compressor |
Country Status (1)
Country | Link |
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CN (1) | CN204783558U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106014928A (en) * | 2016-05-13 | 2016-10-12 | 蚌埠市金鹏燃气设备制造有限公司 | Multi-stage oil scraping device for compressor |
CN113000002A (en) * | 2021-03-22 | 2021-06-22 | 洛阳海惠新材料股份有限公司 | Horizontal tackifying reactor for preparing PBT |
-
2015
- 2015-06-30 CN CN201520476488.5U patent/CN204783558U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106014928A (en) * | 2016-05-13 | 2016-10-12 | 蚌埠市金鹏燃气设备制造有限公司 | Multi-stage oil scraping device for compressor |
CN113000002A (en) * | 2021-03-22 | 2021-06-22 | 洛阳海惠新材料股份有限公司 | Horizontal tackifying reactor for preparing PBT |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160630 |