CN113027600B - Homogeneous charge compression ignition engine with three concentric eccentric rotors - Google Patents

Homogeneous charge compression ignition engine with three concentric eccentric rotors Download PDF

Info

Publication number
CN113027600B
CN113027600B CN202110235745.6A CN202110235745A CN113027600B CN 113027600 B CN113027600 B CN 113027600B CN 202110235745 A CN202110235745 A CN 202110235745A CN 113027600 B CN113027600 B CN 113027600B
Authority
CN
China
Prior art keywords
piston
side wall
sealing strip
working volume
cavity
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.)
Active
Application number
CN202110235745.6A
Other languages
Chinese (zh)
Other versions
CN113027600A (en
Inventor
李玉春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110235745.6A priority Critical patent/CN113027600B/en
Publication of CN113027600A publication Critical patent/CN113027600A/en
Application granted granted Critical
Publication of CN113027600B publication Critical patent/CN113027600B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • F02B55/02—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • F02B55/08—Outer members for co-operation with rotary pistons; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00—Arrangements of sealings in combustion engines 
    • F02F11/007—Arrangements of sealings in combustion engines  involving rotary applications
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention discloses a three-circle concentric eccentric rotor homogeneous compression ignition engine, and belongs to the technical field of engines. The compression mechanism comprises a cylinder barrel and an eccentric rotor assembly, the cylinder barrel comprises a cylinder barrel main body with a cylindrical hole, a cavity sealing structure is arranged on the top end face of a piston, and the cavity sealing structure comprises a top end face sealing piece positioning clamping groove arranged on the piston, a top end face sealing pressure spring and a top end face sealing strip which are arranged in the top end face sealing piece positioning clamping groove; a working volume chamber sealing structure is arranged between the inner wall of the column-shaped cavity and the eccentric rotor; the working volume chamber sealing structure comprises a working volume chamber sealing strip mounting structure and a piston anti-collision structure, wherein the working volume chamber sealing strip mounting structure comprises a working volume chamber sealing element positioning clamping groove, and a working volume chamber sealing pressure spring and a working volume chamber sealing strip which are arranged in the working volume chamber sealing element positioning clamping groove. It has the characteristics of reliable work, stable performance, long service life of products and the like.

Description

Homogeneous charge compression ignition engine with three concentric eccentric rotors
Technical Field
The invention relates to the technical field of engines, in particular to a three-circle concentric eccentric rotor homogeneous charge compression ignition engine.
Background
Chinese patent with application publication No. CN110529238A and publication date of 2019, 12 and 03 discloses a "homogeneous charge compression ignition engine with three concentric eccentric rotors", wherein a working volume chamber sealing structure is arranged between the inner wall of a cylindrical cavity of a compression mechanism and the eccentric rotors in the engine: is sealed by pure rolling between the eccentric rotor and the sealing roller. The plate springs are arranged on the end covers at the two sides of the cylinder barrel (the cylinder barrel body with the cylindrical hole), the plate springs are pressed on the shafts at the two sides of the sealing roller, and then the plate springs are tightly pressed by the bolts, so that the sealing roller is tightly attached to the eccentric rotor to prevent gas leakage. A sealing roll hole is arranged on the connecting line of the left side of the horizontal center of the end face of the cylinder barrel and the center of the eccentric rotor, and two grooves for installing sealing strips are arranged above the sealing roll hole and used for preventing gas leakage of the cylinder barrel above the contact of the sealing roll and the eccentric rotor. And the left side of the connecting line of the horizontal center of the end surface of the cylinder barrel and the center of the sealing roller is provided with a deflection-proof shaft hole, and the deflection-proof shaft is provided with a plurality of rolling bearings which tightly abut against the sealing roller to prevent the sealing roller from bending and leaking gas. The Chinese patent with application publication number CN111779570A and publication date 2020, 01.6 discloses an eccentric rotor homogeneous compression ignition engine, the volume of the cylinder of the compressor is improved, the inner diameter D of the cylindrical hole of the cylinder body 1 is 595 mm-605 mm, the length L is 130 mm-140 mm, all relevant parts in the cylindrical hole of the cylinder body 1 and other parts of the eccentric rotor homogeneous compression ignition engine are correspondingly adapted and adjusted, so that the eccentric rotor homogeneous compression ignition engine is reasonably and coordinately assembled and normally works; the working efficiency is improved. However, the working volume chamber sealing structure still adopts the prior complex structure, and has the defects of poor reliability, short service life, high product cost and inconvenient maintenance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a three-circle concentric eccentric rotor homogeneous charge compression ignition engine which has the characteristics of reliable work, stable performance, long service life of products and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a kind of homomorphic compression ignition engine of concentric eccentric rotor of three circles, including compression mechanism, expansion work doing mechanism, combustion chamber body and drive system, the compression mechanism includes cylinder and eccentric rotor assembly, the cylinder includes the body of cylinder with cylindrical hole, cylinder left end cap and cylinder right end cap seal left port and right port of the cylindrical hole separately, so as to make the cylinder have closed cylindrical cavity, the cylindrical cavity has exhaust outlet and aspiration entry; the eccentric rotor assembly comprises an eccentric rotor and a piston, the left end of a rotating shaft of the eccentric rotor and the right end of the rotating shaft of the eccentric rotor are respectively rotatably connected with a left end cover of a cylinder barrel and a right end cover of the cylinder barrel, the axis of the cylinder barrel is parallel to and eccentric to the center line of a cylindrical cavity, so that a working volume chamber with a crescent section is formed between the inner wall of the cylindrical cavity and the cylindrical surface of the eccentric rotor, a piston slide groove is arranged along the radial direction of the eccentric rotor, the piston is inserted in the piston slide groove, the piston is slidably connected with the cylinder barrel through a circular slide rail connecting structure, the eccentric rotor assembly comprises a left circular slide rail, a right circular slide rail and a piston slide rail connecting structure, the left circular slide rail and the right circular slide rail are respectively fixed on the left end cover of the cylinder barrel and the right end cover of the cylinder barrel, and the center lines of the left circular slide rail and the right circular slide rail are coincident with the center line of the cylindrical cavity of the cylinder barrel; the piston slide rail connecting structure comprises a piston left end slide shaft and a piston right end slide shaft, the piston left end slide shaft and the piston right end slide shaft are symmetrically arranged on the left end surface of the piston and the right end surface of the piston, the piston left end slide shaft and the piston right end slide shaft are positioned at one end of the piston close to the axial lead of the eccentric rotor and are parallel to the axial lead of the rotating shaft of the eccentric rotor, the piston left end slide shaft and the piston right end slide shaft are respectively connected with the left end circular slide rail and the right end circular slide rail in a sliding manner, so that a rotating track line of the top end surface of the piston keeps an annular gap with the inner wall of a cylindrical cavity of the cylinder barrel, and the top end surface of the piston is provided with a cavity sealing structure for being in sealing connection with the inner wall of the cylindrical cavity of the cylinder barrel; a working volume chamber sealing structure is arranged between the inner wall of the column-shaped cavity and the eccentric rotor;
the cavity sealing structure comprises a top end face sealing element positioning clamping groove arranged on the piston, and a top end face sealing pressure spring and a top end face sealing strip which are arranged in the top end face sealing element positioning clamping groove, wherein the top end face sealing element positioning clamping groove comprises a top end face sealing strip telescopic guide groove and a top end face sealing pressure spring accommodating cavity;
the working volume cavity sealing structure comprises a working volume cavity sealing strip mounting structure and a piston anti-collision structure, the working volume cavity sealing strip mounting structure comprises a working volume cavity sealing element positioning clamping groove, a working volume cavity sealing pressure spring and a working volume cavity sealing strip which are arranged in the working volume cavity sealing element positioning clamping groove, the working volume cavity sealing element positioning clamping groove comprises a working volume cavity sealing strip telescopic guide groove and a working volume cavity sealing pressure spring accommodating cavity, the working volume cavity sealing strip telescopic guide groove is axially arranged on the inner wall of a columnar cavity body, the position of the working volume cavity sealing strip telescopic guide groove in the circumferential direction of the inner wall of the columnar cavity body is positioned on a connecting line extension line of a central line of the columnar cavity body and an axial line of an eccentric rotor rotating shaft and is positioned at a position where the distance between the inner wall of the columnar cavity body and the columnar surface of an eccentric rotor is nearest, and the working volume cavity sealing strip is in the working volume cavity sealing strip telescopic guide groove in a sliding fit manner, the working volume chamber sealing pressure spring is embedded in a working volume chamber sealing pressure spring accommodating cavity, the working volume chamber sealing pressure spring presses a working volume chamber sealing strip, and the working volume chamber sealing strip is guided to the position of the center line of the cylindrical cavity of the cylinder barrel along the radial direction by the telescopic guide groove of the working volume chamber sealing strip so as to seal the space between the inner wall of the working volume chamber and the eccentric rotor assembly; the piston anti-collision structure comprises an anti-collision sheet, the anti-collision sheet is correspondingly matched with a top end face sealing strip on the top end face of the piston, so that the piston anti-collision structure is formed, in the piston anti-collision structure, the anti-collision sheet is located at the front end of the rotation direction of the top end face sealing strip, the fixed end of the anti-collision sheet is fixed on the top end face of the piston, the free end of the anti-collision sheet is close to the front end edge of the rotation direction of the top end face sealing strip and is upwards tilted, the tilting height of the anti-collision sheet is matched with the clearance when the inner wall of a working volume cavity and the cylindrical surface of an eccentric rotor are closest to each other, in the rotation process of the eccentric rotor, the free end of the anti-collision sheet is rotated to pass through the working volume cavity sealing strip, and then the top end face sealing strip which is next to the sealing strip behind the anti-collision sheet passes through the working volume cavity sealing strip through the bouncing space, so that the top end face sealing strip is prevented from colliding with the working volume cavity sealing strip.
The invention further improves that:
the track of the circular slide rail of left end and the track of the circular slide rail of right-hand member are the same left end ring shape cavity and the right-hand member ring shape cavity of structure respectively, and the connection structure of piston left end sliding shaft and piston right-hand member sliding shaft and the circular slide rail of left end and right-hand member is: the outer end of the piston left end sliding shaft and the outer end of the piston right end sliding shaft are respectively provided with a piston left end sliding shaft bearing and a piston right end sliding shaft bearing, the outer ring of the piston left end sliding shaft bearing is connected with the left end annular cavity side wall in a sliding fit mode, and the outer ring of the piston right end sliding shaft bearing is connected with the right end annular cavity side wall in a sliding fit mode.
Be equipped with piston left side wall seal structure between the inside wall of piston left side wall and cylinder left end lid, it is including setting up left side wall sealing member positioning groove on the piston and setting up left side wall sealing pressure spring and left side wall sealing strip in left side wall sealing member positioning groove, left side wall sealing member positioning groove includes the flexible guide way of left side wall sealing strip and the sealed pressure spring of left side wall and holds the chamber, left side wall sealing strip sliding fit is in the flexible guide way of left side wall sealing strip, left side wall sealing pressure spring inlays in left side wall sealing pressure spring holds the intracavity, left side wall sealing pressure spring suppress left side wall sealing strip, the flexible guide way of left side wall sealing strip leads left side wall sealing strip and compresses tightly on the inside wall of cylinder left end lid, in order to be sealed between the inside wall with piston left side wall and cylinder left end lid.
A piston right side wall sealing structure is arranged between the inner side walls of the piston right side wall and the cylinder right end cover, and comprises a right side wall sealing part positioning clamping groove arranged on the piston and a right side wall sealing pressure spring and a right side wall sealing strip which are arranged in the right side wall sealing part positioning clamping groove, the right side wall sealing part positioning clamping groove comprises a right side wall sealing strip telescopic guide groove and a right side wall sealing pressure spring accommodating cavity, the right side wall sealing strip is slidably matched in the right side wall sealing strip telescopic guide groove, the right side wall sealing pressure spring is embedded in the right side wall sealing pressure spring accommodating cavity, the right side wall sealing pressure spring presses the right side wall sealing strip, the right side wall sealing strip telescopic guide groove guides and compresses the right side wall sealing strip on the inner side wall of the cylinder right end cover, and sealing is achieved between the inner side walls of the piston right side wall and the cylinder right end cover.
A homogeneous compression ignition engine with three concentric eccentric rotors comprises an expansion work-doing mechanism, and the expansion work-doing mechanism and the compression mechanism have the same structure.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention simplifies the structure, reduces the equipment and process links in the manufacturing process, and reduces the product cost after reducing the total weight of the product; the sealing structure reduces leakage points, improves the sealing effect, and improves the heat efficiency after reducing gas leakage. The difficulty of sealing maintenance is reduced, and the sealing element is easier to replace.
The invention improves the working reliability, prolongs the service life of the product and improves the quality assurance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the compression mechanism of FIG. 1;
FIG. 3 is a left side view of the compression mechanism of FIG. 1;
FIG. 4 is an isometric view of the piston of FIG. 3;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a top view of FIG. 3;
FIG. 8 is a left side view of the cylinder body of FIG. 3;
FIG. 9 is a sectional view A-A of FIG. 8;
FIG. 10 is a front view of the right end cap of the cylinder of FIG. 2;
fig. 11 is a left side view of fig. 10.
In the drawings: 1. a cylinder barrel main body; 2. a cylinder barrel left end cover; 3. a cylinder barrel right end cover; 4. an exhaust port; 5. an air suction port; 6. an eccentric rotor; 7. a piston; 8. an eccentric rotor shaft; 9. the top end face is sealed with a pressure spring; 10. a top end face seal strip; 11. the working volume chamber seals the pressure spring; 12. a working volume chamber seal strip; 13. an anti-collision sheet; 14. a left-end circular cavity; 15. a sliding shaft bearing at the left end of the piston; 16. a sliding shaft bearing at the right end of the piston; 17. a right-end circular cavity; 18. a left side wall seals the pressure spring; 19. a left sidewall seal strip; 20. a pressure spring is sealed on the right side wall; 21. a right sidewall seal strip; 22. the left end of the eccentric rotor is provided with an annular sealing surface; 23. the right end cover of the cylinder barrel is provided with an annular sealing surface; 24. an expansion work mechanism; 25. a combustion chamber body; 26. a transmission system.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Example 1
As can be seen from the embodiments shown in fig. 1 to 11, the present embodiment includes a compression mechanism, an expansion work mechanism 24, a combustion chamber 25 and a transmission system 26, the compression mechanism includes a cylinder and an eccentric rotor assembly, the cylinder includes a cylinder body 1 having a cylindrical hole, a cylinder left end cover 2 and a cylinder right end cover 3, the cylinder left end cover 2 and the cylinder right end cover 3 respectively close a left port of the cylindrical hole and a right port of the cylindrical hole, so that the cylinder has a closed cylindrical cavity, and the cylindrical cavity has an exhaust port 4 and an intake port 5; the eccentric rotor component comprises an eccentric rotor 6 and a piston 7, the left end of the eccentric rotor rotating shaft 8 and the right end of the eccentric rotor rotating shaft 8 are respectively rotatably connected with a cylinder barrel left end cover 2 and a cylinder barrel right end cover 3, the axial lead of the cylinder barrel is parallel to and eccentrically arranged on the central line of a cylindrical cavity, so that a working volume chamber with a crescent section is formed between the inner wall of the cylindrical cavity and the cylindrical surface of the eccentric rotor 6, a piston slide groove is arranged along the radial direction of the eccentric rotor 6, the piston 7 is inserted and matched in the piston slide groove, the piston 7 is slidably connected with the cylinder barrel through a circular slide rail connecting structure, the eccentric rotor component comprises a left end circular slide rail, a right end circular slide rail and a piston slide rail connecting structure, the left end circular slide rail and the right end circular slide rail are respectively fixed on the cylinder barrel left end cover 2 and the cylinder barrel right end cover 3, and the central lines of the left end circular slide rail and the right end circular slide rail are coincided with the central line of the cylindrical cavity of the cylinder barrel, an eccentric rotor left end annular sealing surface 22 and an eccentric rotor right end annular sealing surface are respectively arranged at the position, close to the edge, of the left end surface of the eccentric rotor 6 and the position, close to the edge, of the right end surface of the eccentric rotor 6, an eccentric rotor left end cover annular sealing surface 22 and a cylinder right end cover annular sealing surface 23 are respectively arranged at the cylinder left end cover 2 and the cylinder right end cover 3, which correspond to the eccentric rotor left end annular sealing surface 22, so that sealing structures between the left end surface of the eccentric rotor 6 and the inner wall of the cylinder left end cover 2 and between the right end surface of the eccentric rotor 6 and the inner wall of the cylinder right end cover 3 are formed, and therefore, in a working volume chamber, gas at the front end and the rear end of a piston 7 passes through a gap between the left end surface of the eccentric rotor 6 and the inner side wall of the cylinder left end cover 2 and a gap between the right end surface of the eccentric rotor 6 and the inner side wall of the cylinder right end cover 3 due to pressure difference, the left end circular slide rail is fixed in the circular ring of the circular sealing surface of the left end cover of the cylinder barrel, and the right end circular slide rail is fixed in the circular ring of the circular sealing surface of the right end cover of the cylinder barrel; the piston slide rail connecting structure comprises a piston left end slide shaft and a piston right end slide shaft, the piston left end slide shaft and the piston right end slide shaft are symmetrically arranged on the left end surface of the piston 7 and the right end surface of the piston 7, the piston left end slide shaft and the piston right end slide shaft are positioned at one end, close to the axial lead of the eccentric rotor 6, of the piston 7 and are parallel to the axial lead of the eccentric rotor rotating shaft 8, the piston left end slide shaft and the piston right end slide shaft are respectively in sliding connection with the left end circular slide rail and the right end circular slide rail, so that an annular gap is kept between a rotating track line of the top end surface of the piston 7 and the inner wall of a cylindrical cavity of the cylinder barrel, and a cavity sealing structure is arranged on the top end surface of the piston 7 and used for being in sealing connection with the inner wall of the cylindrical cavity of the cylinder barrel; a working volume chamber sealing structure is arranged between the inner wall of the column-shaped cavity and the eccentric rotor 6;
the cavity sealing structure comprises a top end face sealing element positioning clamping groove arranged on the piston 7, and a top end face sealing pressure spring 9 and a top end face sealing strip 10 which are arranged in the top end face sealing element positioning clamping groove, wherein the top end face sealing element positioning clamping groove comprises a top end face sealing strip telescopic guide groove and a top end face sealing pressure spring accommodating cavity, the top end face sealing strip 10 is matched in the top end face sealing strip telescopic guide groove in a sliding manner, the top end face sealing pressure spring 9 is embedded in the top end face sealing pressure spring accommodating cavity, the top end face sealing pressure spring 9 elastically presses the top end face sealing strip 10, and the top end face sealing strip telescopic guide groove guides and presses the top end face sealing strip 10 onto the inner wall of the cylindrical cavity of the cylinder barrel so as to seal the top end face of the piston 7 and the inner wall of the cylindrical cavity of the cylinder barrel;
the working volume cavity sealing structure comprises a working volume cavity sealing strip mounting structure and a piston anti-collision structure, the working volume cavity sealing strip mounting structure comprises a working volume cavity sealing element positioning clamping groove, a working volume cavity sealing pressure spring 11 and a working volume cavity sealing strip 12, the working volume cavity sealing element positioning clamping groove comprises a working volume cavity sealing strip telescopic guide groove and a working volume cavity sealing pressure spring accommodating cavity, the working volume cavity sealing strip telescopic guide groove is axially arranged on the inner wall of a columnar cavity, the circumferential position of the inner wall of the columnar cavity is positioned on a connecting line extension line of the central line of the columnar cavity and the axial line of an eccentric rotor rotating shaft 8, the working volume cavity sealing strip 12 is in sliding fit in the working volume cavity sealing strip telescopic guide groove, the working volume chamber sealing pressure spring 11 is embedded in a working volume chamber sealing pressure spring accommodating cavity, the working volume chamber sealing pressure spring 11 presses the working volume chamber sealing strip 12, and the working volume chamber sealing strip telescopic guide groove guides the working volume chamber sealing strip 12 to the position of the center line of the cylindrical cavity of the cylinder barrel along the radial direction so as to seal the space between the inner wall of the working volume chamber and the eccentric rotor assembly; the piston anti-collision structure comprises an anti-collision sheet 13, the anti-collision sheet 13 is correspondingly matched with the top end surface sealing strip 10 on the top end surface of the piston 7, so that the piston anti-collision structure is formed, in the piston anti-collision structure, the anti-collision sheet 13 is positioned at the front end of the rotation direction of the top end surface sealing strip 10, the fixed end of the anti-collision sheet 13 is fixed on the top end surface of the piston 7, the free end of the anti-collision sheet 13 is close to the front end edge of the rotation direction of the top end surface sealing strip 10 and is tilted upwards, the tilting height of the eccentric rotor is matched with the clearance when the inner wall of the working volume chamber is closest to the cylindrical surface of the eccentric rotor 6, during the rotation of the eccentric rotor 6, the free end of the impact plate 13, when rotating past the working volume chamber seal strip 12, springs it up, so that the space from which the tip face seal strip 10 immediately behind is sprung up passes through the working volume chamber seal strip 12 to prevent the tip face seal strip 10 from colliding with the working volume chamber seal strip 12.
The invention further improves that:
the track of the circular slide rail of left end and the track of the circular slide rail of right-hand member are the same left end ring shape cavity 14 and right-hand member ring shape cavity 17 respectively, and the connection structure of piston left end sliding shaft and piston right-hand member sliding shaft and the circular slide rail of left end and right-hand member is: the outer end of the piston left end sliding shaft and the outer end of the piston right end sliding shaft are respectively provided with a piston left end sliding shaft bearing 15 and a piston right end sliding shaft bearing 16, the outer ring of the piston left end sliding shaft bearing 15 is connected with the side wall of the left end circular ring-shaped cavity 14 in a sliding fit mode, and the outer ring of the piston right end sliding shaft bearing 16 is connected with the side wall of the right end circular ring-shaped cavity 17 in a sliding fit mode.
Be equipped with piston left side wall seal structure between the inside wall of piston 7 left side wall and cylinder left end lid 2, it is including setting up left side wall seal part positioning groove on piston 7 and setting up left side wall seal pressure spring 18 and left side wall seal strip 19 in left side wall seal part positioning groove, left side wall seal part positioning groove includes the flexible guide way of left side wall seal strip and the sealed pressure spring of left side wall and holds the chamber, left side wall seal strip 19 sliding fit in the flexible guide way of left side wall seal strip, left side wall seal pressure spring 18 inlays in left side wall seal pressure spring and holds the intracavity, left side wall seal pressure spring 18 suppress left side wall seal strip 19, the flexible guide way of left side wall seal strip leads left side wall seal strip 19 and compresses tightly on the inside wall of cylinder left end lid 2, in order to seal between the inside wall of piston 7 left side wall and cylinder left end lid 2.
A piston right side wall sealing structure is arranged between the right side wall of the piston 7 and the inner side wall of the cylinder right end cover 3, and comprises a right side wall sealing part positioning clamping groove arranged on the piston 7, and a right side wall sealing pressure spring 20 and a right side wall sealing strip 21 which are arranged in the right side wall sealing part positioning clamping groove, wherein the right side wall sealing part positioning clamping groove comprises a right side wall sealing strip telescopic guide groove and a right side wall sealing pressure spring accommodating cavity, the right side wall sealing strip 21 is slidably matched in the right side wall sealing strip telescopic guide groove, the right side wall sealing pressure spring 20 is embedded in the right side wall sealing pressure spring accommodating cavity, the right side wall sealing strip 21 is elastically pressed by the right side wall sealing strip 20, the right side wall sealing strip 21 is guided and compressed on the inner side wall of the cylinder right end cover 3 by the right side wall sealing strip telescopic guide groove, and the right side wall of the piston 7 and the inner side wall of the cylinder right end cover 3 are sealed.
Example 2
A homogeneous compression ignition engine with three concentric eccentric rotors comprises an expansion work mechanism, the structure of the expansion work mechanism is the same as that of the compression mechanism in embodiment 1, the volume ratio of a working volume chamber of the expansion work mechanism to that of a working volume chamber of the compression mechanism is different, and the volume ratio is different from that of the prior art.

Claims (5)

1. A homocentric eccentric rotor homogeneous compression ignition engine with three circles comprises a compression mechanism, an expansion work doing mechanism (24), a combustion chamber body (25) and a transmission system (26), wherein the compression mechanism comprises a cylinder barrel and an eccentric rotor component, the cylinder barrel comprises a cylinder barrel main body (1) with a cylindrical hole, a cylinder barrel left end cover (2) and a cylinder barrel right end cover (3), the cylinder barrel left end cover (2) and the cylinder barrel right end cover (3) respectively seal a left port of the cylindrical hole and a right port of the cylindrical hole, so that the cylinder barrel is provided with a closed cylindrical cavity, and the cylindrical cavity is provided with an exhaust port (4) and an air suction port (5); the eccentric rotor assembly comprises an eccentric rotor (6) and a piston (7), the left end of the eccentric rotor rotating shaft (8) and the right end of the eccentric rotor rotating shaft (8) are rotatably connected with the cylinder barrel left end cover (2) and the cylinder barrel right end cover (3) respectively, and the axis of the cylinder barrel is parallel to and eccentric to the center line of the cylindrical cavity, so that a working volume chamber with a crescent-shaped section is formed between the inner wall of the cylindrical cavity and the cylindrical surface of the eccentric rotor (6), a piston sliding groove is arranged along the radial direction of the eccentric rotor (6), the piston (7) is inserted and matched in the piston sliding groove, the piston (7) is slidably connected with the cylinder barrel through a circular sliding rail connecting structure, the piston sliding groove comprises a left-end circular sliding rail, a right-end circular sliding rail and a piston sliding rail connecting structure, and the left-end circular sliding rail and the right-end sliding rail are fixed on the cylinder barrel left end cover (2) and the cylinder barrel right end cover (3) respectively The center lines of the left-end circular slide rail and the right-end circular slide rail are coincided with the center line of the cylindrical cavity of the cylinder barrel; the piston slide rail connecting structure comprises a piston left end slide shaft and a piston right end slide shaft, the piston left end slide shaft and the piston right end slide shaft are symmetrically arranged on the left end surface of the piston (7) and the right end surface of the piston (7), the piston left end slide shaft and the piston right end slide shaft are positioned at one end, close to the axial lead of the eccentric rotor (6), of the piston (7) and are parallel to the axial lead of the eccentric rotor rotating shaft (8), the piston left end slide shaft and the piston right end slide shaft are respectively in sliding connection with the left end circular slide rail and the right end circular slide rail so as to enable a rotating track line of the top end surface of the piston (7) to keep an annular gap with the inner wall of a cylindrical cavity of the cylinder barrel, and a cavity sealing structure is arranged on the top end surface of the piston (7) and used for being in sealing connection with the inner wall of the cylindrical cavity of the cylinder barrel; a working volume chamber sealing structure is arranged between the inner wall of the column-shaped cavity and the eccentric rotor (6); the method is characterized in that:
the cavity sealing structure comprises a top end face sealing element positioning clamping groove arranged on the piston (7), a top end face sealing pressure spring (9) and a top end face sealing strip (10) which are arranged in the top end face sealing element positioning clamping groove, the top end face sealing element positioning clamping groove comprises a top end face sealing strip telescopic guide groove and a top end face sealing pressure spring accommodating cavity, the top end surface sealing strip (10) is matched in the top end surface sealing strip telescopic guide groove in a sliding way, the top end face sealing pressure spring (9) is embedded in the top end face sealing pressure spring accommodating cavity, the top end face sealing pressure spring (9) elastically presses the top end face sealing strip (10), the top end face sealing strip telescopic guide groove guides and presses the top end face sealing strip (10) on the inner wall of the cylindrical cavity of the cylinder barrel, so as to seal the top end surface of the piston (7) and the inner wall of the cylindrical cavity of the cylinder barrel;
the working volume cavity sealing structure comprises a working volume cavity sealing strip mounting structure and a piston anti-collision structure, the working volume cavity sealing strip mounting structure comprises a working volume cavity sealing element positioning clamping groove, a working volume cavity sealing pressure spring (11) and a working volume cavity sealing strip (12) which are arranged in the working volume cavity sealing element positioning clamping groove, the working volume cavity sealing element positioning clamping groove comprises a working volume cavity sealing strip telescopic guide groove and a working volume cavity sealing pressure spring accommodating cavity, the working volume cavity sealing strip telescopic guide groove is axially arranged on the inner wall of the cylindrical cavity, the circumferential position of the inner wall of the cylindrical cavity is positioned on the connecting line extension line of the central line of the cylindrical cavity and the axial line of the eccentric rotor rotating shaft (8), and the inner wall of the cylindrical cavity and the cylindrical surface of the eccentric rotor (6) are at the nearest position, the working volume chamber sealing strip (12) is slidably matched in a telescopic guide groove of the working volume chamber sealing strip, the working volume chamber sealing pressure spring (11) is embedded in a containing cavity of the working volume chamber sealing pressure spring, the working volume chamber sealing pressure spring (11) presses the working volume chamber sealing strip (12), and the telescopic guide groove of the working volume chamber sealing strip guides the working volume chamber sealing strip (12) to the position of the center line of the cylindrical cavity of the cylinder barrel along the radial direction so as to seal the space between the inner wall of the working volume chamber and the eccentric rotor assembly; the piston anti-collision structure comprises an anti-collision sheet (13), the anti-collision sheet (13) is correspondingly matched with the top end face sealing strip (10) on the top end face of the piston (7) to form a piston anti-collision structure, the anti-collision sheet (13) is located at the front end of the rotation direction of the top end face sealing strip (10), the fixed end of the anti-collision sheet (13) is fixed on the top end face of the piston (7), the free end of the anti-collision sheet (13) is closely adjacent to the front end edge of the rotation direction of the top end face sealing strip (10) and upwards tilts, the tilting height of the anti-collision sheet is matched with the inner wall of the working volume cavity and the clearance when the cylindrical surface of the eccentric rotor (6) is closest to each other, in the rotation process of the eccentric rotor (6), the free end of the anti-collision sheet (13) rotates to pass through the sealing strip (12) of the working volume cavity, and bouncing the sealing strip so that the top end surface sealing strip (10) which is next to the sealing strip passes through the working volume chamber sealing strip (12) from the bouncing space to prevent the top end surface sealing strip (10) from colliding with the working volume chamber sealing strip (12).
2. A three-cycle concentric eccentric rotor homogeneous charge compression ignition engine as claimed in claim 1 wherein: the track of the left end circular slide rail and the track of the right end circular slide rail are respectively a left end circular ring cavity (14) and a right end circular ring cavity (17) which have the same structure, and the connection structure of the piston left end sliding shaft and the piston right end sliding shaft and the left end circular slide rail and the right end circular slide rail is as follows: the outer end of the piston left end sliding shaft and the outer end of the piston right end sliding shaft are respectively provided with a piston left end sliding shaft bearing (15) and a piston right end sliding shaft bearing (16), the outer ring of the piston left end sliding shaft bearing (15) is connected with the side wall of the left end circular ring-shaped cavity (14) in a sliding fit mode, and the outer ring of the piston right end sliding shaft bearing (16) is connected with the side wall of the right end circular ring-shaped cavity (17) in a sliding fit mode.
3. A three-cycle concentric eccentric rotor homogeneous charge compression ignition engine as claimed in claim 1 or 2 wherein: a piston left side wall sealing structure is arranged between the left side wall of the piston (7) and the inner side wall of the cylinder barrel left end cover (2) and comprises a left side wall sealing part positioning clamping groove arranged on the piston (7), and a left side wall sealing pressure spring (18) and a left side wall sealing strip (19) which are arranged in the left side wall sealing part positioning clamping groove, the left side wall sealing part positioning clamping groove comprises a left side wall sealing strip telescopic guide groove and a left side wall sealing pressure spring accommodating cavity, the left side wall sealing strip (19) is in sliding fit with the left side wall sealing strip telescopic guide groove, the left side wall sealing pressure spring (18) is embedded in the left side wall sealing pressure spring accommodating cavity, the left side wall sealing pressure spring (18) elastically presses the left side wall sealing strip (19), and the left side wall sealing strip telescopic guide groove guides and presses the left side wall sealing strip (19) on the inner side wall of the cylinder barrel left end cover (2), so as to seal the space between the left side wall of the piston (7) and the inner side wall of the cylinder barrel left end cover (2).
4. A three-concentric eccentric-rotor homogeneous charge compression ignition engine as claimed in claim 3, wherein: a piston right side wall sealing structure is arranged between the right side wall of the piston (7) and the inner side wall of the cylinder right end cover (3) and comprises a right side wall sealing part positioning clamping groove arranged on the piston (7), and a right side wall sealing pressure spring (20) and a right side wall sealing strip (21) which are arranged in the right side wall sealing part positioning clamping groove, the right side wall sealing part positioning clamping groove comprises a right side wall sealing strip telescopic guide groove and a right side wall sealing pressure spring accommodating cavity, the right side wall sealing strip (21) is in sliding fit with the right side wall sealing strip telescopic guide groove, the right side wall sealing pressure spring (20) is embedded in the right side wall sealing pressure spring accommodating cavity, the right side wall sealing pressure spring (20) elastically presses the right side wall sealing strip (21), and the right side wall sealing strip (21) is guided and pressed on the inner side wall of the cylinder right end cover (3) by the right side wall sealing strip telescopic guide groove, so as to seal the space between the right side wall of the piston (7) and the inner side wall of the cylinder barrel right end cover (3).
5. A homogeneous charge compression ignition engine with three concentric eccentric rotors comprises an expansion work-doing mechanism, and is characterized in that: the expansion work mechanism is the same in structure as the compression mechanism in claim 1.
CN202110235745.6A 2021-03-03 2021-03-03 Homogeneous charge compression ignition engine with three concentric eccentric rotors Active CN113027600B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110235745.6A CN113027600B (en) 2021-03-03 2021-03-03 Homogeneous charge compression ignition engine with three concentric eccentric rotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110235745.6A CN113027600B (en) 2021-03-03 2021-03-03 Homogeneous charge compression ignition engine with three concentric eccentric rotors

Publications (2)

Publication Number Publication Date
CN113027600A CN113027600A (en) 2021-06-25
CN113027600B true CN113027600B (en) 2022-04-22

Family

ID=76466281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110235745.6A Active CN113027600B (en) 2021-03-03 2021-03-03 Homogeneous charge compression ignition engine with three concentric eccentric rotors

Country Status (1)

Country Link
CN (1) CN113027600B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522068A1 (en) * 1982-02-22 1983-08-26 Orbital Eng Pty GAS SEALING STRUCTURE FOR PALLET-TYPE INTERNAL COMBUSTION ENGINES.
CN86207054U (en) * 1986-09-11 1987-05-13 裘伟江 End sealing mechanism for rotary piston compressor
JP2005264748A (en) * 2004-03-16 2005-09-29 Daikin Ind Ltd Rotary expander
KR20080106934A (en) * 2006-02-22 2008-12-09 페라페스 악티엔게젤샤프트 Sealing system for an oscillating piston engine
CN110529238A (en) * 2018-11-22 2019-12-03 李玉春 The three concentric eccentric rotor homogeneity compression-ignition engines of circle
CN111779570A (en) * 2020-07-20 2020-10-16 李玉春 Eccentric rotor homogeneous compression ignition engine

Also Published As

Publication number Publication date
CN113027600A (en) 2021-06-25

Similar Documents

Publication Publication Date Title
EP1703132B1 (en) Rotary vane compressor
EP2607701B1 (en) Vane compressor
JPH06288358A (en) Turning motion type rotary compressor
EP3885529B1 (en) Rotary compressor
KR20110128230A (en) Vane rotary type compressor
CN113027600B (en) Homogeneous charge compression ignition engine with three concentric eccentric rotors
CN210068472U (en) Rolling type sliding vane pump rotor
US6592345B2 (en) Scroll compressor
CN101418797A (en) Air compressor
CN211500966U (en) Scroll compressor and vehicle with same
CN1078680C (en) Compressor with hinged arc blades and rolling rotor
CN201265527Y (en) Air compressor
JPH0861258A (en) Scroll compressor
JP2510079Y2 (en) Rolling piston type compressor
CN213928728U (en) Scroll compressor
CN211422947U (en) Compression mechanism and compressor with same
JP2588911Y2 (en) Rotary compressor
CN218030619U (en) Compression assembly and compressor with same
CN219827132U (en) Electric air conditioner compressor with compensation function
CN112343816B (en) Bidirectional floating pressing mechanism for reducing friction of moving turbine disc
CN216950857U (en) Rotary compressor
CN219101584U (en) Rotary compressor
CN220036938U (en) Compressor and refrigeration equipment
CN215058144U (en) Screw rod supercharging device
CN218151416U (en) Compressor pump body and compressor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant