CN107503914B - Exhaust structure of oil-free piston type air compressor - Google Patents
Exhaust structure of oil-free piston type air compressor Download PDFInfo
- Publication number
- CN107503914B CN107503914B CN201710899739.4A CN201710899739A CN107503914B CN 107503914 B CN107503914 B CN 107503914B CN 201710899739 A CN201710899739 A CN 201710899739A CN 107503914 B CN107503914 B CN 107503914B
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- Prior art keywords
- exhaust
- valve plate
- cylinder
- cylinder cover
- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an exhaust structure of an oilless piston type air compressor, which comprises an exhaust channel B arranged in a cylinder barrel, an exhaust channel A arranged in a cylinder cover, an ED joint connecting the exhaust end of the exhaust channel A and the air inlet end of the exhaust channel B, an exhaust port for collecting high-pressure air of a cylinder at the same side, an exhaust pipe connected between the exhaust ports and an exhaust assembly arranged in the cylinder cover. The exhaust pipeline structure is reasonably and intensively arranged, the connecting pipeline is concise, high-pressure air in each cylinder cover enters the exhaust channel B integrated on the cylinder barrel after passing through the exhaust channel A in the cylinder cover, the high-pressure air in the two exhaust channels B on the same side is collected into the exhaust pipe and is supplied to a user system, the external pipeline of the whole air compressor is provided with only one exhaust pipe, the appearance is concise, the space required by assembly is saved, a large number of pipelines arranged by connecting the exhaust ports of the four cylinder covers are avoided, the arrangement of joints and pipelines is reduced, and the air compressor has the advantages of simplicity in assembly and leakage reduction.
Description
Technical Field
The invention relates to an exhaust structure of an oilless piston type air compressor.
Background
The traditional piston type air compressor air inlet is generally arranged on the cylinder cover, fresh air enters the compression cavity through the air inlet on the cylinder cover, and because the noise of the piston type air compressor mainly comes from the air inlet, the noise of the whole machine is large in the working process, the air inlet and the air outlet are arranged on the cylinder cover, each air cylinder of the traditional piston type air compressor is correspondingly provided with one air outlet, the positions of the air outlets are all arranged on the cylinder cover, two connectors are needed for collecting high-pressure air of the air outlets together, two exhaust pipes are needed, two exhaust pipes are respectively arranged, the assembly space requirement is large, the assembly operation is complex, leakage points are generated by multiple pipes and the air exhaust pipes and the air inlet pipes are all arranged outside the machine body, the number of interfaces is large, the air inlets are required to be distinguished by tolerance when connected with the pipes, and especially for unskilled operators, the air compressor can be damaged once connected with the air compressor, and loss is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an exhaust structure of an oil-free piston type air compressor, which is reasonable in structure and simple to assemble.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an exhaust structure of oilless piston air compressor machine, includes exhaust passage B that sets up in the cylinder, exhaust passage A that sets up in the cylinder cap, the ED joint of connecting exhaust passage A gas outlet end and exhaust passage B gas inlet end, gathers the gas vent of homonymy cylinder high pressure air, connects the blast pipe between the gas vent and sets up the exhaust assembly in the cylinder cap.
As a further improvement of the invention, the exhaust assembly comprises a valve plate fixedly arranged in the cylinder cover, an exhaust through hole arranged on the valve plate, a valve plate arranged on the valve plate and Fang Jugai combined on the exhaust through hole, a screw fixedly connected on the valve plate through the valve plate and a spring connected between the upper end part of the screw and the inner surface of the top of the cylinder cover;
the valve plate is fixedly connected with the screw, and the screw is sleeved in the valve plate in a sliding manner.
As a further improvement of the invention, the lower surface of the valve plate is provided with a relief groove, and the lower end of the screw is positioned in the relief groove;
a piston connecting rod assembly is arranged in the cylinder barrel; the top of the piston connecting rod assembly is provided with a thimble corresponding to the abdication groove.
As a further improvement of the invention, the cylinder cover is also provided with an inner hexagonal plug for blocking the processing hole of the exhaust passage A.
As a further improvement of the invention, the valve plate and the cylinder cover above the valve plate form a high-pressure air exhaust chamber, and the valve plate and the cylinder barrel below the valve plate form an air compression chamber; the exhaust through hole communicates the air compression chamber with the high-pressure air exhaust chamber.
Compared with the prior art, the invention has the following beneficial effects:
the exhaust pipeline structure is reasonably and intensively arranged, the connecting pipeline is concise, high-pressure air in each cylinder cover enters the exhaust channel B integrated on the cylinder barrel after passing through the exhaust channel A in the cylinder cover, the high-pressure air in the two exhaust channels B on the same side is converged to the exhaust ports, then the high-pressure air in the exhaust ports enters the exhaust pipe and is supplied to a user system, the external pipeline of the whole air compressor is provided with only one exhaust pipe, the appearance is concise, the space required by assembly is saved, a large number of pipelines arranged because of connecting the exhaust ports of the four cylinder covers are avoided, the arrangement of joints and pipelines is reduced, and the air compressor has the advantages of simplicity in assembly and leakage reduction.
Drawings
FIG. 1 is a schematic view of the structure of an exhaust pipe of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure B of FIG. 1;
FIG. 3 is a schematic view of the cylinder and the cylinder cover of the present invention;
FIG. 4 is a schematic top view of the cylinder head of the present invention;
FIG. 5 is a schematic view of the cross-sectional structure of FIG. 4 in the D direction;
fig. 6 is a schematic diagram of an exhaust structure of an existing oil-free piston type air compressor.
In the drawings:
200 piston connecting rod assemblies, 300 cylinder covers, 301 cylinder barrels, 302 ED connectors, 304 springs, 305 valve plates, 306 screws, 307 valve plates, 308 inner hexagonal screw plugs, 309 exhaust through holes, 311 air compression chambers, 312 high-pressure air exhaust chambers, 313 relief grooves, 400 exhaust pipes, 401 exhaust ports, 403 ejector pins, 404 exhaust channels B and 405 exhaust channels A.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, an exhaust structure of an oilless piston type air compressor comprises an exhaust passage B404 arranged in a cylinder 301, an exhaust passage a405 arranged in a cylinder cover 300, an ED joint 302 connecting the outlet end of the exhaust passage a405 and the inlet end of the exhaust passage B404, an exhaust port 401 for collecting high-pressure air of a cylinder on the same side, an exhaust pipe 400 connected between the exhaust ports 401, and an exhaust assembly arranged in the cylinder cover 300. The exhaust assembly comprises a valve plate 305 fixedly arranged in the cylinder cover 300, an exhaust through hole 309 arranged on the valve plate 305, a valve plate 307 arranged on the valve plate 305 and Fang Jugai on the exhaust through hole 309, a screw 306 fixedly connected on the valve plate 305 through the valve plate 307, and a spring 304 connected between the upper end part of the screw 305 and the inner surface of the top of the cylinder cover 300; the valve plate 307 is fixedly connected with a screw 306, and the screw 306 is slidably sleeved in the valve plate 305. The lower surface of the valve plate 305 is provided with a relief groove 313, and the lower end of the screw 306 is positioned in the relief groove 313; the cylinder 301 is internally provided with a piston-rod assembly 200; the top of the piston rod assembly 200 is provided with a thimble 403 corresponding to the relief groove 313. The cylinder cover 300 is also provided with an inner hexagonal plug 308 for blocking the processing hole of the exhaust passage A405. The valve plate 305 and the cylinder cover 300 above the valve plate 305 form a high-pressure air exhaust chamber 312, and the valve plate 305 and the cylinder 301 below the valve plate form an air compression chamber 311; the exhaust through hole 309 communicates the air compression chamber 311 with the high-pressure air exhaust chamber 312.
The exhaust process of the invention is as follows: in the process of ascending the piston, clean air enters the air compression chamber 311 and is compressed into high-pressure air, when the piston moves to the uppermost end in the cylinder 301, the air of the air compression chamber 311 is compressed to high pressure, the ejector pin 403 at the top of the piston connecting rod assembly 200 enters the relief groove 313, the lower end of the screw 306 is jacked, the screw 306 moves upwards relative to the valve plate 305, the valve plate 307 covered on the exhaust through hole 309 is opened along with the upward movement, the high-pressure air of the air compression chamber 311 enters the high-pressure air exhaust chamber 312 through the exhaust through hole, sequentially passes through the exhaust channel B404 and the exhaust channel A405 and then enters the exhaust pipe 400 at the exhaust port 401, and the high-pressure air is supplied to a user; the above process is repeated and high pressure air is continuously supplied.
As shown in fig. 6, the exhaust port of the conventional air compressor is arranged on the cylinder cover, two exhaust pipes are required to be connected by two connectors, two exhaust pipes are required to be connected by exhaust pipelines, the assembly space is required to be large, the assembly operation is complex, and leakage points are generated by multi-pipe lewis.
The exhaust pipeline structure is reasonably and intensively arranged, the connecting pipeline is concise, high-pressure air in each cylinder cover enters the exhaust channel B integrated on the cylinder barrel after passing through the exhaust channel A in the cylinder cover, the high-pressure air in the two exhaust channels B on the same side is converged to the exhaust ports, then the high-pressure air in the exhaust ports enters the exhaust pipe and is supplied to a user system, the external pipeline of the whole air compressor is provided with only one exhaust pipe, the appearance is concise, the space required by assembly is saved, a large number of pipelines arranged because of connecting the exhaust ports of the four cylinder covers are avoided, the arrangement of joints and pipelines is reduced, and the air compressor has the advantages of simplicity in assembly and leakage reduction.
The above described embodiments are only preferred examples of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications thereof, which would be apparent to those skilled in the art without departing from the principles and spirit of the present invention, should be considered to be included within the scope of the appended claims.
Claims (3)
1. An exhaust structure of oilless piston air compressor machine, its characterized in that: the cylinder head comprises an exhaust channel B (404) arranged in a cylinder barrel (301), an exhaust channel A (405) arranged in a cylinder cover (300), an ED joint (302) for connecting the air outlet end of the exhaust channel A (405) and the air inlet end of the exhaust channel B (404), an exhaust port (401) for collecting high-pressure air of a cylinder at the same side, an exhaust pipe (400) connected between the exhaust ports (401) and an exhaust assembly arranged in the cylinder cover (300);
the exhaust assembly comprises a valve plate (305) fixedly arranged in the cylinder cover (300), an exhaust through hole (309) arranged in the valve plate (305), a valve plate (307) arranged on the valve plate (305) and Fang Jugai on the exhaust through hole (309), a screw (306) connected to the valve plate (305) through the valve plate (307) and a spring (304) connected between the upper end part of the screw (306) and the inner surface of the top of the cylinder cover (300);
the screw (306) is sleeved in the valve plate (305) in a sliding manner;
the lower surface of the valve plate (305) is provided with a yielding groove (313), and the lower end of the screw (306) is positioned in the yielding groove (313);
a piston-connecting rod assembly (200) is arranged in the cylinder barrel (301); the top of the piston connecting rod assembly (200) is provided with a thimble (403) corresponding to the abdication groove (313).
2. The exhaust structure of an oil-free piston type air compressor as claimed in claim 1, wherein: and the cylinder cover (300) is also provided with an inner hexagonal plug screw (308) for blocking the processing hole of the exhaust passage A (405).
3. The exhaust structure of an oil-free piston type air compressor as claimed in claim 2, wherein: the valve plate (305) and the cylinder cover (300) above the valve plate form a high-pressure air exhaust chamber (312), and the valve plate (305) and the cylinder barrel (301) below the valve plate form an air compression chamber (311); the exhaust through hole (309) communicates the air compression chamber (311) with the high-pressure air exhaust chamber (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710899739.4A CN107503914B (en) | 2017-09-28 | 2017-09-28 | Exhaust structure of oil-free piston type air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710899739.4A CN107503914B (en) | 2017-09-28 | 2017-09-28 | Exhaust structure of oil-free piston type air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107503914A CN107503914A (en) | 2017-12-22 |
| CN107503914B true CN107503914B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710899739.4A Active CN107503914B (en) | 2017-09-28 | 2017-09-28 | Exhaust structure of oil-free piston type air compressor |
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| CN (1) | CN107503914B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219793B (en) * | 2019-07-15 | 2024-01-26 | 耐力股份有限公司 | Oil-free piston compressor with two-stage compression |
| CN110905773A (en) * | 2019-12-31 | 2020-03-24 | 浙江万安其弗汽车零部件有限公司 | Intercooler and oil-free piston type compressor comprising same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384062B (en) * | 2010-08-30 | 2015-12-16 | 中国计量学院 | The structure completely without clearance type of piston reciprocating compressor |
| CN104847625A (en) * | 2014-03-18 | 2015-08-19 | 梁嘉麟 | Completely-clearance-free structure with V-shaped end-clearance-free nonmetal piston ring for piston reciprocating compressor |
| CN104564613B (en) * | 2015-01-04 | 2017-01-18 | 浙江盛源空压机制造有限公司 | Oil-less air compressor |
| CN204921298U (en) * | 2015-08-03 | 2015-12-30 | 宁波华生压缩机有限公司 | Big discharge capacity stable form compressor iron pump head |
| CN105351194A (en) * | 2015-12-01 | 2016-02-24 | 瑞立集团瑞安汽车零部件有限公司 | Oilless swinging piston type air compressor |
| CN106150971A (en) * | 2016-07-22 | 2016-11-23 | 瑞立集团瑞安汽车零部件有限公司 | A kind of two stages of compression vehicle piston oilless air compressor |
| CN106014925A (en) * | 2016-07-29 | 2016-10-12 | 温岭市翊丰通用机械制造有限公司 | Novel silent oilless air compressor |
| CN106468254B (en) * | 2016-08-31 | 2018-07-06 | 浙江山海机械有限公司 | Piston intake heat radiating type oilless air compressor main machine structure |
| CN207715345U (en) * | 2017-09-28 | 2018-08-10 | 耐力股份有限公司 | A kind of exhaust structure of oil-free piston type air compressor |
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- 2017-09-28 CN CN201710899739.4A patent/CN107503914B/en active Active
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| CN107503914A (en) | 2017-12-22 |
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