CN111706428B - Rotary piston type engine - Google Patents
Rotary piston type engine Download PDFInfo
- Publication number
- CN111706428B CN111706428B CN202010514543.0A CN202010514543A CN111706428B CN 111706428 B CN111706428 B CN 111706428B CN 202010514543 A CN202010514543 A CN 202010514543A CN 111706428 B CN111706428 B CN 111706428B
- Authority
- CN
- China
- Prior art keywords
- shaft
- circular arc
- valve control
- cylinder body
- pipe
- 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
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
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary 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
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/04—Charge admission or combustion-gas discharge
-
- 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 belongs to the technical field of engines, and the engine is a rotary piston type engine which has simple structure, high reliability, nearly zero main shaft abrasion, good continuity of power output, complete mechanical balance and high stable degree of operation; the engine comprises two groups of symmetrically distributed cylinders which are reversely arranged along the circumferential direction of a connecting rod, a cylinder body of each cylinder is provided with a valve control device, each valve control device is matched with one group of valve control rings to control air intake and air exhaust, the power of the valve control devices is output through a planetary gear, and the valve control devices are provided with an anti-reverse inner meshing ratchet mechanism.
Description
Technical Field
The invention belongs to the technical field of engines, and particularly relates to a rotary piston type engine.
Background
The piston engine mainly comprises a reciprocating piston engine and a rotary piston engine. The reciprocating fuel engine is an engine which utilizes one or more pistons to convert pressure into rotary kinetic energy, and has complex structure and low reliability due to the existence of a crank and other related transmission mechanisms. The rotary piston engine developed and successfully applied is a triangular rotor rotary piston engine invented by Wankel (Wankel) in Germany in 1957, the engine has relatively large power density and considerable application prospect, but the rotor has complex shape, so that the manufacturing cost is high, the problems of difficult sealing, poor dynamic performance at low speed, poor fuel economy and the like are difficult to solve, and the theoretical superiority of the rotary piston engine cannot be fully exerted until now.
Although the utility model with publication number CN2402803Y discloses a circular arc cylinder piston rotary engine, the engine has a complicated structure and low reliability due to the existence of the transmission mechanisms related to the planet wheel, crank arm and swing rod; the arc cylinder body drives the main shaft to rotate to output power by rotating torque, so that the main shaft is seriously abraded; the engine with the structure has the defects of poor continuity of power output, incomplete mechanical balance, low running stability and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the rotary piston type engine which has the advantages of simple structure, high reliability, nearly zero main shaft abrasion, good continuity of power output, complete mechanical balance and high running stability.
In order to achieve the object of the present invention, we will adopt the following technical solutions.
A rotary piston engine, the engine comprising:
the three partition plates are arranged at intervals, and each partition plate is provided with a coaxial shaft hole with the same diameter;
the shaft tube penetrates through the three shaft holes;
the connecting rod is rotatably sleeved on the shaft tube between two adjacent partition plates, two circular arc piston rods are symmetrically arranged at two ends of the connecting rod along the circumferential direction, and the two circular arc piston rods are fixedly connected with two circular arc pistons which can do reciprocating motion in circular arc cylinder barrels of two circular arc cylinder bodies respectively; each circular-arc-shaped cylinder body is internally provided with a water jacket, and each water jacket is provided with a water inlet and a water outlet; an oil inlet is formed in the inner end face of the rear end cover of each circular arc cylinder body;
the method is characterized in that: the engine further includes:
the first shaft sleeve is sleeved in the shaft hole of each partition plate and can rotate;
the second shaft sleeve is sleeved in the shaft hole of each first shaft sleeve and can rotate;
the shaft tube is sleeved in the shaft hole of each second shaft sleeve;
the first transmission rod is connected with two adjacent first shaft sleeves and is arranged in parallel with the shaft tube;
two shaft sleeves which are respectively and vertically fixedly connected with the first transmission rod between two adjacent partition plates are respectively called as a third shaft sleeve and a fourth shaft sleeve;
the second transmission rod is connected with two adjacent second shaft sleeves and is arranged in parallel with the shaft tube;
the two connecting rods fixedly connected with the second transmission rod between the two adjacent partition plates are respectively called as a first connecting rod and a second connecting rod, and the second connecting rod and the first connecting rod are arranged in a cross manner;
two circular arc piston rods, matched circular arc pistons and circular arc cylinder bodies which are arranged at two ends of the first connecting rod along the circumferential direction in the clockwise direction are respectively called as a first circular arc piston rod, a matched first circular arc piston, a matched first circular arc cylinder body, a matched second circular arc piston, a matched second circular arc cylinder body;
two arc piston rods arranged at two ends of the second connecting rod along the circumferential anticlockwise direction and matched arc pistons and arc cylinder bodies are respectively called as a third arc piston rod, a matched third arc piston, a matched third arc cylinder body, a matched fourth arc piston, a matched fourth arc cylinder body;
the first arc-shaped cylinder body and the second arc-shaped cylinder body are fixedly connected with the third shaft sleeve through connecting arms respectively;
the third arc-shaped cylinder body and the fourth arc-shaped cylinder body are fixedly connected with the fourth shaft sleeve through connecting arms respectively;
the rear end cap of first circular arc cylinder body and third circular arc cylinder body all is equipped with a first valve controlling means, wherein:
the first air valve control device is respectively in contact fit with a pair of air valve control rings which are arranged on two sides of the first arc-shaped cylinder body and the third arc-shaped cylinder body, sleeved on the axle tube and fixedly connected with the inner sides of the head partition plate, the middle partition plate and the tail partition plate through air inlet control rods and exhaust control rods which are symmetrically arranged on two sides of the rear end covers of the first arc-shaped cylinder body and the third arc-shaped cylinder body, and is used for controlling air inlet of an air inlet valve and exhaust of an exhaust valve of the first arc-shaped cylinder body and the third arc-shaped cylinder body;
the rear end cover of the second circular arc cylinder body and the rear end cover of the fourth circular arc cylinder body are both provided with a second valve control device, wherein:
the second valve control device is respectively in contact fit with a pair of valve control rings which are arranged on two sides of the second circular arc cylinder body and the fourth circular arc cylinder body, sleeved on the shaft and fixedly connected with the inner sides of the head partition plate, the middle partition plate and the tail partition plate through air inlet control rods and exhaust control rods which are symmetrically arranged on two sides of the rear end covers of the second circular arc cylinder body and the fourth circular arc cylinder body, and is used for controlling air inlet of an air inlet valve and exhaust of an exhaust valve of the second circular arc cylinder body and the fourth circular arc cylinder body;
the inner side of the excircle of each rear end cover is also provided with an input port and an output port;
the engine further includes: the input pipe and the output pipe are respectively inserted into and fixed with two ports of the shaft pipe, and the input pipe and the output pipe in the shaft pipe are fixedly connected with the input port and the output port on the rear end cover of each pair of circular arc cylinder bodies through the input branch pipe and the output branch pipe respectively through the input port and the output port on the shaft pipe, which correspond to the input port and the output port on the rear end cover of each pair of circular arc cylinder bodies; the input pipe outside the shaft is communicated with a supply pipe for supplying oil, gas and water to the engine; an output pipe outside the shaft pipe is communicated with the exhaust device and the drainage device;
the planetary gear is arranged on the outer side of the head partition plate and is used for synthesizing two power input by the first shaft sleeve and the second shaft sleeve into one output power and outputting the output power by the output shaft;
the inner meshing ratchet mechanism is arranged on the outer side of the tail partition plate and used for preventing the first shaft sleeve and the second shaft sleeve from rotating reversely;
the water discharging device and the air discharging device are connected in series in the output shaft through a third transmission rod.
Preferably, the first valve control device and the second valve control device both comprise a groove positioned in the upper end face of the rear end cover, an inlet valve and an exhaust valve which are arranged in the groove, a rotatable valve core arranged in the groove, a rotating hole penetrating through the rear end cover and fixedly connected with the valve core, a rotating rod with gears at two ends, an inlet valve control rod and an exhaust valve control rod which are respectively engaged with the gears at two ends of the rotating rod, and the inlet valve control rod and the exhaust valve control rod which are respectively fixedly connected in sleeves of fixing pieces symmetrically fixed at two sides of the excircle of the rear end cover through two reset springs; the length of the first rotating rod of the first valve control device is smaller than that of the second rotating rod of the second valve control device.
Preferably, the input port comprises a water inlet pipe orifice, an air inlet pipe orifice is sleeved in the water inlet pipe orifice, an oil inlet pipe orifice is sleeved in the air inlet pipe orifice, and the water inlet pipe orifice is communicated with the water inlet of the water jacket through a water inlet channel; the air inlet pipe orifice is communicated with an air inlet valve of the air valve control device through an air inlet channel; the oil inlet pipe orifice is communicated with the oil inlet through an oil inlet channel; the output port comprises a drain pipe opening, an exhaust pipe opening is sleeved in the drain pipe opening, the drain pipe opening is communicated with the water outlet of the water jacket through a drain channel, and the exhaust pipe opening is communicated with an exhaust valve of the valve control device through an exhaust channel.
Preferably, the valve control ring comprises: the air inlet valve control ring and the exhaust valve control ring are arranged on the outer ring surface of the air inlet valve control ring, and a pair of long protrusions are symmetrically arranged along the circumferential direction; the outer ring surface of the exhaust valve control ring is symmetrically provided with a pair of short bulges along the circumferential direction; when the air inlet valve control ring and the exhaust valve control ring are respectively arranged on two sides of the pair of arc-shaped cylinder bodies in a fixed connection mode with the inner sides of the two adjacent partition plates, the pair of long bulges of the air inlet valve control ring and the pair of short bulges of the exhaust valve control ring are arranged in a staggered mode along the circumferential direction by an angle, and are respectively in contact fit with one end part of the corresponding air inlet valve control rod and the corresponding exhaust valve control rod;
preferably, the planetary gear comprises: the planet carrier comprises a first crank connecting rod, a second crank connecting rod, a third crank connecting rod, a fourth crank connecting rod, a first cam, a second cam, a first planet wheel, a second planet wheel, an output shaft, a planet carrier and a sun wheel, wherein the big end of the first crank connecting rod is fixedly connected with a first shaft sleeve, a connecting column of the small end of the first crank connecting rod is hinged with the big end of the third crank connecting rod, the small end of the third crank connecting rod is hinged with one end of a first planet wheel shaft, and the first planet wheel is meshed with the sun wheel; the big end of the second crank connecting rod is fixedly connected with the second shaft sleeve, the connecting column of the small end of the second crank connecting rod is hinged with the big end of the fourth crank connecting rod, the small end of the fourth crank connecting rod is hinged with one end of the second planet wheel shaft, and the second planet wheel is meshed with the sun wheel; the shaft hole of the sun gear is sleeved on the shaft tube; the other end of the first planet wheel shaft and the other end of the second planet wheel shaft are hinged with the planet carrier through a first cam and a second cam respectively, the planet carrier is rotatably sleeved on the shaft tube, and one end of the output shaft is fixedly connected with the planet carrier.
Preferably, the inner meshing ratchet mechanism comprises an inner meshing ratchet, a first non-return pawl, a first spring, a second non-return pawl and a second spring, one end of the inner meshing ratchet is fixedly connected with the outer side of the tail plate and sleeved on the first shaft sleeve, an extension part of the first shaft sleeve extending out of the outer side of the tail plate, the second shaft sleeve and an extension part of the second shaft sleeve extending out of the extension part of the first shaft sleeve, and the first shaft sleeve is in sliding fit with the gear teeth of the inner meshing ratchet through the first non-return pawl hinged to the outer circle of the extension part of the first shaft sleeve and the first spring matched with the first non-return pawl; the second shaft sleeve is in sliding fit with the gear teeth of the internal engagement ratchet wheel through a second non-return pawl hinged on the excircle of the second shaft extension part and a second spring matched with the second non-return pawl.
Preferably, the third shaft sleeve and the fourth shaft sleeve are fixedly connected with the shaft tube through fixing pieces respectively so as to prevent the input tube and the output tube from being distorted and deformed.
Preferably, the input pipe comprises a water inlet pipe, an air inlet pipe is sleeved in the water inlet pipe, and an oil inlet pipe is sleeved in the air inlet pipe; the output pipe comprises a drain pipe, and an exhaust pipe is sleeved in the drain pipe.
Preferably, the drainage device comprises a cylinder with a drainage outlet, cylinder covers are arranged on the inner side and the outer side of the cylinder, the cylinder cover on the inner side of the cylinder is communicated with a pipe opening of the output end of the drainage pipe, and the third transmission rod is fixedly connected with the cylinder covers on the inner side and the outer side of the cylinder and can drive the cylinder covers on the inner side and the outer side to rotate.
Preferably, the exhaust device comprises a cylinder with an exhaust port, cylinder covers are arranged on the inner side and the outer side of the cylinder, the cylinder cover on the inner side of the cylinder is communicated with a pipe opening of the output end of the exhaust pipe, and the third transmission rod is fixedly connected with the cylinder covers on the inner side and the outer side of the cylinder and can drive the cylinder covers on the inner side and the outer side to rotate.
Advantageous effects
The invention has the advantages that: the rotary piston engine is simple in structure, high in reliability, almost zero in main shaft abrasion, good in power output continuity, capable of achieving complete mechanical balance and high in running stability.
Drawings
FIG. 1 is a southwest isometric view of the engine;
FIG. 2 is a southeast isometric view of the engine;
FIG. 3 is a northeast isometric view of the engine;
FIG. 4 is a northwest isometric view of the engine;
FIG. 5 is a front view of the engine;
FIG. 6 is a right side view of the engine;
FIG. 7 is a schematic view showing the connection structure of the shaft tube, the cylinder block, the piston rod, the valve control device and the valve control ring of the engine;
fig. 8 is an initial state diagram of the first and second circular arc piston rods, the circular arc piston, and the circular arc cylinder;
fig. 9 is an initial state diagram of the third and fourth circular arc piston rods, the circular arc piston, and the circular arc cylinder;
FIG. 10 is an assembly view of the planetary gear;
FIG. 11 is a schematic view of the valve cartridge in an intake state;
FIG. 12 is a schematic view of the valve cartridge in a vented state.
Detailed Description
The invention is further described with reference to the accompanying drawings and examples.
As shown in fig. 1-12, a rotary piston engine, the engine comprising:
three partition plates (11, 12, 13) are arranged at intervals, and each partition plate (11, 12, 13) is provided with a coaxial shaft hole (14, 15, 16) with the same diameter;
a shaft tube (2) penetrating through the three shaft holes (14, 15, 16);
the connecting rod (3) is rotatably sleeved on the shaft tube (2) between the two adjacent partition plates (11 and 12, and 12 and 13), two circular arc piston rods (4) are symmetrically arranged at two ends of the connecting rod (3) along the circumferential direction, and the two circular arc piston rods (4) are fixedly connected with two circular arc pistons (7) which can do reciprocating motion in circular arc cylinder barrels of the two circular arc cylinder bodies (5) respectively; each circular arc cylinder body (5) is internally provided with a water jacket (55), and each water jacket (55) is provided with a water inlet (551) and a water outlet (552); an oil inlet (57) is formed in the inner end face of the rear end cover (56) of each circular arc cylinder body (5);
the engine further includes:
a first bushing (81, 82, 83) which is sleeved in the shaft hole (14, 15, 16) of each partition plate (11, 12, 13) and can rotate;
a second shaft sleeve (91, 92, 93) which is sleeved in the shaft hole of each first shaft sleeve (81, 82, 83) and can rotate;
the shaft tube (2) is sleeved in the shaft hole of each second shaft sleeve (91, 92, 93);
first transmission levers (101, 102) coupled to adjacent two first bushings (81 and 82, 82 and 83) and disposed in parallel with the shaft tube (2);
two shaft sleeves (111, 112) which are respectively and vertically fixedly connected with the first transmission rods (101, 102) between two adjacent partition plates (11 and 12, 12 and 13) are respectively called as a third shaft sleeve (111) and a fourth shaft sleeve (112);
second transmission rods (121, 122) which are used for connecting two adjacent second shaft sleeves (91 and 92, 92 and 93) and are arranged in parallel with the shaft tube (2);
two connecting rods (3) fixedly connected with second transmission rods (121, 122) between two adjacent partition plates (11 and 12, 12 and 13) are respectively called as a first connecting rod (31) and a second connecting rod (32), and the second connecting rod (32) and the first connecting rod (31) are arranged in a crossed manner;
two circular arc piston rods (4) arranged at two ends of the first connecting rod (31) along the clockwise direction of the circumferential direction, and the matched circular arc piston (7) and circular arc cylinder body (5) are respectively called as a first circular arc piston rod (41), a matched first circular arc piston (71), a matched first circular arc cylinder body (51), a matched second circular arc piston rod (42), a matched second circular arc piston (72) and a matched second circular arc cylinder body (52);
two circular arc piston rods (4) arranged at two ends of the second connecting rod (32) along the circumferential anticlockwise direction, and the matched circular arc piston (7) and circular arc cylinder body (5) are respectively called as a third circular arc piston rod (43), a matched third circular arc piston (73), a matched third circular arc cylinder body (53), a matched fourth circular arc piston rod (44), a matched fourth circular arc piston (74) and a matched fourth circular arc cylinder body (54);
the first circular arc cylinder body (51) and the second circular arc cylinder body (52) are fixedly connected with the third shaft sleeve (111) through connecting arms (13) respectively;
the third arc cylinder body (53) and the fourth arc cylinder body (54) are fixedly connected with a fourth shaft sleeve (112) through connecting arms (13) respectively;
the rear end covers (56) of the first circular arc cylinder body (51) and the third circular arc cylinder body (53) are respectively provided with a first air valve control device (14), wherein:
the first air valve control device (14) is in contact fit with a pair of air valve control rings (15) which are arranged on two sides of the first circular arc cylinder body (51) and the third circular arc cylinder body (53), sleeved on the shaft tube (2) and fixedly connected with the inner sides of the head partition plate (11), the middle partition plate (12) and the tail partition plate (13) through an air inlet control rod and an air outlet control rod (142) which are symmetrically arranged on two sides of a rear end cover (56) of the first circular arc cylinder body (51) and the third circular arc cylinder body (53) respectively, so as to control air inlet of an air inlet valve and air outlet of an air outlet valve of the first circular arc cylinder body (51) and the third circular arc cylinder body (53);
the rear end covers (56) of the second circular arc cylinder body (52) and the fourth circular arc cylinder body (54) are respectively provided with a second valve control device (16), wherein:
the second valve control device (16) is respectively in contact fit with a pair of valve control rings (15) which are arranged on two sides of the second circular arc cylinder body (52) and the fourth circular arc cylinder body (54), sleeved on a shaft and fixedly connected with the inner sides of the head partition plate (11), the middle partition plate (12) and the tail partition plate (13) through an air inlet control rod (161) and an air outlet control rod (162) which are symmetrically arranged on two sides of a rear end cover (56) of the second circular arc cylinder body (52) and the fourth circular arc cylinder body (54) so as to control air inlet of an air inlet valve and air outlet of an air outlet valve of the second circular arc cylinder body (52) and the fourth circular arc cylinder body (54);
the inner side of the excircle of each rear end cover (56) is also provided with an input port (561) and an output port (562);
the engine further includes: an input pipe (17) and an output pipe which are respectively inserted from two ports of the shaft pipe (2) are fixed, the input pipe (17) and the output pipe in the shaft pipe (2) are respectively fixedly connected with an input port (561) and an output port (562) on the rear end cover (56) of each pair of circular arc cylinder bodies (5) through an input branch pipe (171) and an output branch pipe (181) and through an input port and an output port (22) which are arranged on the shaft pipe (2) and correspond to the input port (561) and the output port (562) on the rear end cover (56) of each pair of circular arc cylinder bodies (5); an input pipe (17) outside the shaft pipe (2) is communicated with a supply pipe for supplying oil, gas and water to the engine; an output pipe outside the shaft tube (2) is communicated with an exhaust device (19) and a drainage device (20);
the planetary gear (21) is arranged on the outer side of the head partition plate (11) in an installing mode, and is used for combining two power input by the first shaft sleeve (81) and the second shaft sleeve (91) into one output power to be output by the output shaft (219);
an internal engagement ratchet mechanism (22), the mechanism (22) is arranged outside the tail partition plate (13) and is used for preventing the first shaft sleeve (83) and the second shaft sleeve (93) from reversely rotating;
the drainage device (19) and the exhaust device (20) are connected in series in the output shaft (219) through a third transmission rod (23).
Example (b): as shown in fig. 1-12, the first valve control device (14) includes a groove (143) located in an upper end surface of the rear end cover (56), an intake valve (144) and an exhaust valve (145) disposed in the groove (143), a rotatable valve core (146) disposed in the groove (143), a rotary hole (147) penetrating through the rear end cover (56) and fixedly connected with the valve core (146), a rotary rod (149) with gears at two ends, an intake valve control rod and an exhaust valve control rod (142) respectively engaged with the gears at two ends of the rotary rod (149), and the intake valve control rod and the exhaust valve control rod (142) respectively fixedly connected through two return springs (1410) in sleeves (1412) of fixing pieces (1411) symmetrically fixed at two sides of an outer circle of the rear end cover (56);
the structure of the second valve control device (16) is the same as that of the first valve control device (14), except that the length of a rotating rod (149) (a first rotating rod) of the first valve control device (14) is smaller than that of a rotating rod (169) (a second rotating rod) of the second valve control device (16), so that an intake valve control rod (161) and an exhaust valve control rod (162) of the second valve control device (16) are arranged in a staggered mode with an intake control rod and an exhaust control rod (142) of the first valve control device (14) and are not influenced by each other in the rotating process.
Example (b): as shown in fig. 1-12, the input port (561) includes a water inlet nozzle (5611), a water inlet nozzle (5612) is sleeved in the water inlet nozzle (5611), a water inlet nozzle (5613) is sleeved in the water inlet nozzle (5612), and the water inlet nozzle (5611) is communicated with the water inlet (551) of the water jacket (55) through a water inlet channel; the intake nozzle (5612) is communicated with an intake valve (144, 164) of a valve control device (14, 16) through an intake passage; the oil inlet pipe orifice (5613) is communicated with the oil inlet (57) through an oil inlet channel; the output port (562) comprises a drain pipe orifice (5621), an exhaust pipe orifice (5622) is sleeved in the drain pipe orifice (5621), the drain pipe orifice (5621) is communicated with a drain port (552) of the water jacket (55) through a drain passage, and the exhaust pipe orifice (5622) is communicated with exhaust valves (145 and 165) of the valve control devices (14 and 16) through an exhaust passage.
Example (b): as shown in fig. 1-12, the valve control ring (15) comprises: the air inlet valve control ring (151) and the exhaust valve control ring (152), wherein a pair of long protrusions (1511) are symmetrically arranged on the outer ring surface of the air inlet valve control ring (151) along the circumferential direction; the outer ring surface of the exhaust valve control ring (152) is symmetrically provided with a pair of short bulges (1521) along the circumferential direction; when the intake valve control ring (151) and the exhaust valve control ring (152) are respectively arranged at two sides of a pair of circular arc cylinder bodies (5) in a fixed connection mode with the inner sides of two adjacent partition plates (11 and 12, 12 and 13), a pair of long bulges (1511) of the intake valve control ring (151) and a pair of short bulges (1521) of the exhaust valve control ring (152) are arranged along the circumferential direction in a staggered way of 90 degrees and are respectively in contact fit with one end parts of corresponding intake valve control rods (161) and exhaust valve control rods (142 or 162);
example (b): as shown in fig. 1 to 12, the planetary gear (21) includes: the planet carrier comprises a first crank connecting rod (211), a second crank connecting rod (212), a third crank connecting rod (213), a fourth crank connecting rod (214), a first cam (215), a second cam (216), a first planet wheel (217), a second planet wheel (218), an output shaft (219), a planet carrier (2110) and a sun wheel (2111), wherein the big end of the first crank connecting rod (211) is fixedly connected with a first shaft sleeve (81), the connecting column of the small end of the first crank connecting rod (211) is hinged with the big end of the third crank connecting rod (213), the small end of the third crank connecting rod (213) is hinged with one end of a shaft of the first planet wheel (217), and the first planet wheel (217) is meshed with the sun wheel (2111); the big end of the second crank connecting rod (212) is fixedly connected with the second shaft sleeve (91), the connecting column of the small end of the second crank connecting rod (212) is hinged with the big end of the fourth crank connecting rod (214), the small end of the fourth crank connecting rod (214) is hinged with one end of the shaft of the second planet wheel (218), and the second planet wheel (218) is meshed with the sun wheel (2111); the shaft hole of the sun gear (2111) is sleeved on the shaft tube (2); the other end of the first planet wheel (217) shaft and the other end of the second planet wheel (218) shaft are hinged with a planet carrier (2110) through a first cam (215) and a second cam (216), the planet carrier (2110) can be rotatably sleeved on the shaft tube (2), and one end of the output shaft (219) is fixedly connected with the planet carrier (2110).
Example (b): as shown in fig. 1-12, the internal engagement ratchet mechanism (22) includes an internal engagement ratchet (221), a first check pawl (222), a first spring (223), a second check pawl (224), and a second spring (225), wherein one end of the internal engagement ratchet (221) is fixedly connected with the outer side of the tail partition plate (13), and is sleeved on an extension part of the first shaft sleeve (83) extending out of the outer side of the tail partition plate (13) and an extension part of the second shaft sleeve (93) extending out of the extension part of the first shaft sleeve (83), and the extension part of the first shaft sleeve (83) is in sliding fit with the gear teeth of the internal engagement ratchet (221) through the first check pawl (222) hinged on the outer circle of the first shaft sleeve (83) and the first spring (223) matched with the first shaft sleeve (83); the second shaft sleeve (93) extension part is in sliding fit with the gear teeth of the internal meshing ratchet wheel (221) through a second check pawl (224) hinged on the outer circle of the second shaft sleeve (93) extension part and a second spring (225) matched with the second check pawl.
Example (b): as shown in fig. 1-12, the third sleeve (111) and the fourth sleeve (112) are respectively fixed to the shaft tube (2) by a fixing member (24) to prevent the input branch tube and the output branch tube of the input tube (17) and the output tube from being distorted.
Example (b): as shown in fig. 1-9, the input pipe (17) comprises a water inlet pipe (171), an air inlet pipe (172) is sleeved in the water inlet pipe (171), and an oil inlet pipe (173) is sleeved in the air inlet pipe (172); the output pipe comprises a drain pipe (181), and an exhaust pipe (182) is sleeved in the drain pipe (181).
Example (b): as shown in fig. 1-9, the drainage device (19) comprises a cylinder (191) with a drainage port, cylinder covers (192, 193) are arranged on the inner side and the outer side of the cylinder (191), the cylinder cover (192) on the inner side of the cylinder (191) is communicated with a pipe orifice of the output end of the drainage pipe (181), and a third transmission rod (23) is fixedly connected with the cylinder covers (192, 193) on the inner side and the outer side of the cylinder (191) and can drive the cylinder covers (192, 193) on the inner side and the outer side to rotate.
Example (b): as shown in fig. 1-9, the exhaust device (20) includes a cylinder (201) having an exhaust port, and cylinder covers (202, 203) are provided on the inner and outer sides of the cylinder (201), the cylinder cover (202) on the inner side of the cylinder (201) is communicated with the nozzle of the output end of the exhaust pipe (182), and the third transmission rod (23) is fixedly connected with the cylinder covers (202, 203) on the inner and outer sides of the cylinder (201) and can drive the cylinder covers (202, 203) on the inner and outer sides to rotate.
Example (b): as shown in fig. 1-9, the engine operates as follows: when the engine works (rotates clockwise), the first circular arc cylinder barrel and the second circular arc cylinder barrel suck air to push the first circular arc cylinder body (51) and the second circular arc cylinder body (52) to rotate, when a mixture of sucked air and oil reaches a top dead point (a position with the largest space), the third circular arc cylinder barrel and the fourth circular arc cylinder barrel start sucking air to push the third circular arc piston (43) and the fourth circular arc piston (44) to rotate, when the third circular arc piston (43) and the fourth circular arc piston (44) rotate, the first circular arc piston (41) and the second circular arc piston (42) are driven to rotate to compress the mixture of the sucked air and oil to a bottom dead point (the smallest space), and a spark plug ignites to combust compressed combustible gas to enable the combustible gas to combust, and high-temperature and high-pressure gas pushes the first circular arc cylinder body (51) and the second circular arc cylinder body (52) to rotate, when the first circular arc cylinder body (51) and the second circular arc cylinder body (52) rotate, the third circular arc cylinder body (53) and the fourth circular arc cylinder body (54) are driven to rotate to compress a mixture of air and oil sucked by the third circular arc cylinder body and the fourth circular arc cylinder body to a bottom dead center (the position with the smallest space), a spark plug is used for ignition to burn compressed combustible gas, the combustible gas is burnt, high-temperature and high-pressure gas pushes the third circular arc piston (43) and the fourth circular arc piston (44) to rotate, when the third circular arc piston (43) and the fourth circular arc piston (44) rotate, the first circular arc piston (41) and the second circular arc piston (42) are driven to rotate to the bottom dead center to exhaust, the first circular arc cylinder body (51) and the second circular arc cylinder body (52) are pushed to rotate, and when the first circular arc cylinder body (51) and the second circular arc cylinder body (52) rotate, the third arc cylinder body (53) and the fourth arc cylinder body (54) are driven to rotate to the bottom dead center for exhausting, and the circulation is carried out, and mechanical energy is output through the first shaft sleeve (81) and the second shaft sleeve (91).
Claims (10)
1. A rotary piston engine, the engine comprising:
the three partition plates are arranged at intervals, and each partition plate is provided with a coaxial shaft hole with the same diameter;
the shaft tube penetrates through the three shaft holes;
the connecting rod is rotatably sleeved on the shaft tube between two adjacent partition plates, two circular arc piston rods are symmetrically arranged at two ends of the connecting rod along the circumferential direction, and the two circular arc piston rods are fixedly connected with two circular arc pistons which can do reciprocating motion in circular arc cylinder barrels of two circular arc cylinder bodies respectively; each circular-arc-shaped cylinder body is internally provided with a water jacket, and each water jacket is provided with a water inlet and a water outlet; an oil inlet is formed in the inner end face of the rear end cover of each circular arc cylinder body;
the method is characterized in that: the engine further includes:
the first shaft sleeve is sleeved in the shaft hole of each partition plate and can rotate;
the second shaft sleeve is sleeved in the shaft hole of each first shaft sleeve and can rotate;
the shaft tube is sleeved in the shaft hole of each second shaft sleeve;
the first transmission rod is connected with two adjacent first shaft sleeves and is arranged in parallel with the shaft tube;
two shaft sleeves which are respectively and vertically fixedly connected with the first transmission rod between two adjacent partition plates are respectively called as a third shaft sleeve and a fourth shaft sleeve;
the second transmission rod is connected with two adjacent second shaft sleeves and is arranged in parallel with the shaft tube;
the two connecting rods fixedly connected with the second transmission rod between the two adjacent partition plates are respectively called as a first connecting rod and a second connecting rod, and the second connecting rod and the first connecting rod are arranged in a cross manner;
two circular arc piston rods, matched circular arc pistons and circular arc cylinder bodies which are arranged at two ends of the first connecting rod along the circumferential direction in the clockwise direction are respectively called as a first circular arc piston rod, a matched first circular arc piston, a matched first circular arc cylinder body, a matched second circular arc piston, a matched second circular arc cylinder body;
two arc piston rods arranged at two ends of the second connecting rod along the circumferential anticlockwise direction and matched arc pistons and arc cylinder bodies are respectively called as a third arc piston rod, a matched third arc piston, a matched third arc cylinder body, a matched fourth arc piston, a matched fourth arc cylinder body;
the first arc-shaped cylinder body and the second arc-shaped cylinder body are fixedly connected with the third shaft sleeve through connecting arms respectively;
the third arc-shaped cylinder body and the fourth arc-shaped cylinder body are fixedly connected with the fourth shaft sleeve through connecting arms respectively;
the rear end cap of first circular arc cylinder body and third circular arc cylinder body all is equipped with a first valve controlling means, wherein:
the first air valve control device is respectively in contact fit with a pair of air valve control rings which are arranged on two sides of the first arc-shaped cylinder body and the third arc-shaped cylinder body, sleeved on the axle tube and fixedly connected with the inner sides of the head partition plate, the middle partition plate and the tail partition plate through air inlet control rods and exhaust control rods which are symmetrically arranged on two sides of the rear end covers of the first arc-shaped cylinder body and the third arc-shaped cylinder body, and is used for controlling air inlet of an air inlet valve and exhaust of an exhaust valve of the first arc-shaped cylinder body and the third arc-shaped cylinder body;
the rear end cover of the second circular arc cylinder body and the rear end cover of the fourth circular arc cylinder body are both provided with a second valve control device, wherein:
the second valve control device is respectively in contact fit with a pair of valve control rings which are arranged on two sides of the second circular arc cylinder body and the fourth circular arc cylinder body, sleeved on the shaft tube and fixedly connected with the inner sides of the head partition plate, the middle partition plate and the tail partition plate through air inlet control rods and exhaust control rods which are symmetrically arranged on two sides of the rear end covers of the second circular arc cylinder body and the fourth circular arc cylinder body, and is used for controlling air inlet of an air inlet valve and exhaust of an exhaust valve of the second circular arc cylinder body and the fourth circular arc cylinder body;
the inner side of the excircle of each rear end cover is also provided with an input port and an output port;
the engine further includes: the input pipe and the output pipe are respectively inserted into and fixed with two ports of the shaft pipe, and the input pipe and the output pipe in the shaft pipe are fixedly connected with the input port and the output port on the rear end cover of each pair of circular arc cylinder bodies through the input branch pipe and the output branch pipe respectively through the input port and the output port on the shaft pipe, which correspond to the input port and the output port on the rear end cover of each pair of circular arc cylinder bodies; the input pipe outside the shaft is communicated with a supply pipe for supplying oil, gas and water to the engine; an output pipe outside the shaft pipe is communicated with the exhaust device and the drainage device;
the planetary gear is arranged on the outer side of the head partition plate and is used for synthesizing two power input by the first shaft sleeve and the second shaft sleeve into one output power and outputting the output power by the output shaft;
the inner meshing ratchet mechanism is arranged on the outer side of the tail partition plate and used for preventing the first shaft sleeve and the second shaft sleeve from rotating reversely;
the water discharging device and the air discharging device are connected in series in the output shaft through a third transmission rod.
2. A rotary piston engine according to claim 1, characterized in that: the first valve control device and the second valve control device respectively comprise a groove positioned in the upper end face of the rear end cover, an air inlet valve and an air outlet valve which are arranged in the groove, a rotatable valve core which is arranged in the groove, and a rotating rod which penetrates through a rotating hole of the rear end cover and is fixedly connected with the valve core, wherein two ends of the rotating rod are provided with gears, an air inlet valve control rod and an air outlet valve control rod which are respectively engaged with the gears at two ends of the rotating rod, and the air inlet valve control rod and the air outlet valve control rod are respectively and fixedly connected in sleeves of fixing pieces which are symmetrically fixed at two sides of the excircle of the rear end cover through two reset springs; the length of the first rotating rod of the first valve control device is smaller than that of the second rotating rod of the second valve control device.
3. A rotary piston engine according to claim 1, characterized in that: the input port comprises a water inlet pipe orifice, an air inlet pipe orifice is sleeved in the water inlet pipe orifice, an oil inlet pipe orifice is sleeved in the air inlet pipe orifice, and the water inlet pipe orifice is communicated with the water inlet of the water jacket through a water inlet channel; the air inlet pipe orifice is communicated with an air inlet valve of the air valve control device through an air inlet channel; the oil inlet pipe orifice is communicated with the oil inlet through an oil inlet channel; the output port comprises a drain pipe opening, an exhaust pipe opening is sleeved in the drain pipe opening, the drain pipe opening is communicated with the water outlet of the water jacket through a drain channel, and the exhaust pipe opening is communicated with an exhaust valve of the valve control device through an exhaust channel.
4. A rotary piston engine according to claim 1, characterized in that: the valve control ring comprises: the air inlet valve control ring and the exhaust valve control ring are arranged on the outer ring surface of the air inlet valve control ring, and a pair of long protrusions are symmetrically arranged along the circumferential direction; the outer ring surface of the exhaust valve control ring is symmetrically provided with a pair of short bulges along the circumferential direction; when the air inlet valve control ring and the exhaust valve control ring are respectively arranged on two sides of the pair of arc-shaped cylinder bodies in a mode of being fixedly connected with the inner sides of the two adjacent partition plates, the pair of long bulges of the air inlet valve control ring and the pair of short bulges of the exhaust valve control ring are arranged in a staggered mode along the circumferential direction by an angle, and are respectively in contact fit with one end part of the corresponding air inlet valve control rod and the corresponding exhaust valve control rod.
5. A rotary piston engine according to claim 1, characterized in that: the planetary gear includes: the planet carrier comprises a first crank connecting rod, a second crank connecting rod, a third crank connecting rod, a fourth crank connecting rod, a first cam, a second cam, a first planet wheel, a second planet wheel, an output shaft, a planet carrier and a sun wheel, wherein the big end of the first crank connecting rod is fixedly connected with a first shaft sleeve, a connecting column of the small end of the first crank connecting rod is hinged with the big end of the third crank connecting rod, the small end of the third crank connecting rod is hinged with one end of a first planet wheel shaft, and the first planet wheel is meshed with the sun wheel; the big end of the second crank connecting rod is fixedly connected with the second shaft sleeve, the connecting column of the small end of the second crank connecting rod is hinged with the big end of the fourth crank connecting rod, the small end of the fourth crank connecting rod is hinged with one end of the second planet wheel shaft, and the second planet wheel is meshed with the sun wheel; the shaft hole of the sun gear is sleeved on the shaft tube; the other end of the first planet wheel shaft and the other end of the second planet wheel shaft are hinged with the planet carrier through a first cam and a second cam respectively, the planet carrier is rotatably sleeved on the shaft tube, and one end of the output shaft is fixedly connected with the planet carrier.
6. A rotary piston engine according to claim 1, characterized in that: the inner engaged ratchet mechanism comprises an inner engaged ratchet, a first non-return pawl, a first spring, a second non-return pawl and a second spring, one end of the inner engaged ratchet is fixedly connected with the outer side of the tail plate and sleeved on the first shaft sleeve, an extension part of the first shaft sleeve extending out of the outer side of the tail plate, the second shaft sleeve and an extension part of the second shaft sleeve extending out of the extension part of the first shaft sleeve, and the first shaft sleeve is in sliding fit with the gear teeth of the inner engaged ratchet through the first non-return pawl hinged on the excircle of the extension part of the first shaft sleeve and the first spring matched with the first non-return pawl; the second shaft sleeve is in sliding fit with the gear teeth of the internal engagement ratchet wheel through a second non-return pawl hinged on the excircle of the second shaft extension part and a second spring matched with the second non-return pawl.
7. A rotary piston engine according to claim 1, characterized in that: the third shaft sleeve and the fourth shaft sleeve are fixedly connected with the shaft tube through fixing pieces respectively so as to prevent the input tube and the output tube from being distorted and deformed.
8. A rotary piston engine according to claim 1, characterized in that: the input pipe comprises a water inlet pipe, an air inlet pipe is sleeved in the water inlet pipe, and an oil inlet pipe is sleeved in the air inlet pipe; the output pipe comprises a drain pipe, and an exhaust pipe is sleeved in the drain pipe.
9. A rotary piston engine according to claim 1, characterized in that: the drainage device comprises a cylinder with a drainage port, rotatable cylinder covers are arranged on the inner side and the outer side of the cylinder, the cylinder cover on the inner side of the cylinder is communicated with a pipe opening of the output end of the drainage pipe, and a third transmission rod is fixedly connected with the cylinder covers on the inner side and the outer side of the cylinder to drive the cylinder covers on the inner side and the outer side to rotate.
10. A rotary piston engine according to claim 1, characterized in that: the exhaust device comprises a cylinder with an exhaust port, rotatable cylinder covers are arranged on the inner side and the outer side of the cylinder, the cylinder cover on the inner side of the cylinder is communicated with a pipe opening of the output end of the exhaust pipe, and a third transmission rod is fixedly connected with the cylinder covers on the inner side and the outer side of the cylinder to drive the cylinder covers on the inner side and the outer side to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514543.0A CN111706428B (en) | 2020-06-08 | 2020-06-08 | Rotary piston type engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514543.0A CN111706428B (en) | 2020-06-08 | 2020-06-08 | Rotary piston type engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111706428A CN111706428A (en) | 2020-09-25 |
| CN111706428B true CN111706428B (en) | 2022-04-15 |
Family
ID=72539315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010514543.0A Active CN111706428B (en) | 2020-06-08 | 2020-06-08 | Rotary piston type engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706428B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128309A1 (en) * | 1981-07-17 | 1983-02-10 | Schmidt, Walter, 1000 Berlin | Rotary internal combustion engine |
| CN1373288A (en) * | 2002-03-14 | 2002-10-09 | 孔维忠 | Direct drive type reciprocating piston IC engine |
| CN104595023A (en) * | 2014-12-04 | 2015-05-06 | 南京航空航天大学 | Rotary shell type nonstop rotating pendulum engine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4773364A (en) * | 1984-11-15 | 1988-09-27 | Hansen Engine Corporation | Internal combustion engine with rotary combustion chamber |
| WO1996011334A1 (en) * | 1994-10-05 | 1996-04-18 | Toshio Okamura | Rotary piston type internal combustion engine |
| CN2402803Y (en) * | 1999-07-21 | 2000-10-25 | 董景辉 | Arc cylinder piston rotating engine |
| CN2911205Y (en) * | 2004-02-17 | 2007-06-13 | 顾航 | Rotary piston I.C. engine |
| EP1733122B1 (en) * | 2004-04-06 | 2008-05-07 | Peraves Aktiengesellschaft | Rotary-piston engine and vehicle comprising an engine of this type |
| EP1835145B1 (en) * | 2006-05-09 | 2012-06-20 | Okamura Yugen Kaisha | Rotary-piston internal combustion engine |
| CN101852121B (en) * | 2009-05-06 | 2012-07-25 | 尚世群 | Annular cylinder rotor engine |
-
2020
- 2020-06-08 CN CN202010514543.0A patent/CN111706428B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128309A1 (en) * | 1981-07-17 | 1983-02-10 | Schmidt, Walter, 1000 Berlin | Rotary internal combustion engine |
| CN1373288A (en) * | 2002-03-14 | 2002-10-09 | 孔维忠 | Direct drive type reciprocating piston IC engine |
| CN104595023A (en) * | 2014-12-04 | 2015-05-06 | 南京航空航天大学 | Rotary shell type nonstop rotating pendulum engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111706428A (en) | 2020-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6129067A (en) | Rotary engine | |
| EP2478190B1 (en) | Piston and use therefor | |
| US3922120A (en) | Rotary engines | |
| US4106443A (en) | Rotary internal combustion engine | |
| CN111706428B (en) | Rotary piston type engine | |
| CN1912351A (en) | Rotation jet engine | |
| CN115306541B (en) | Direct-fired circular-stroke internal combustion engine and circular-stroke steam turbine in independent cylinder | |
| CN102840027A (en) | Arc cylinder pendulum type internal combustion engine | |
| CN102996236B (en) | Torus sample cylinder ring turns piston engine | |
| CN210033634U (en) | One-way rotation corresponding air pressure return type engine | |
| US3660978A (en) | Internal combustion engine | |
| CN208778093U (en) | A kind of rotor-reciprocating engine | |
| CN201347795Y (en) | Circular motion piston type internal combustion engine | |
| CN101787926B (en) | Cam mechanism inside internal combustion engine with piston doing circular motion | |
| CN111120090A (en) | Energy storage type power device | |
| CN111120083B (en) | Double-rotor piston engine | |
| CN110529237A (en) | A kind of multi-fuel internal combustion engine | |
| CN110925085B (en) | Integrated two-stroke fuel engine | |
| CN100393982C (en) | Olive-shaped piston rotary supercharging explosive motor | |
| CN216198457U (en) | Stepping 3-cylinder dual-rotor internal combustion engine | |
| CN201347797Y (en) | Cylinder body mechanism in circular motion piston type internal combustion engine | |
| CN109899154B (en) | Double-rotor engine | |
| CN212054899U (en) | Rotary plug type energy converter | |
| CN101344035B (en) | Piston-rotating internal combustion engine | |
| CN110056426B (en) | One-way rotation corresponding air pressure return type engine |
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 |