CN215890205U - Two-stroke free piston engine - Google Patents
Two-stroke free piston engine Download PDFInfo
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- CN215890205U CN215890205U CN202121369761.6U CN202121369761U CN215890205U CN 215890205 U CN215890205 U CN 215890205U CN 202121369761 U CN202121369761 U CN 202121369761U CN 215890205 U CN215890205 U CN 215890205U
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Abstract
The utility model discloses a two-stroke free piston engine, which comprises a rotor, wherein a piston is arranged on the rotor, the piston is arranged in a cylinder, a transmission gear is arranged on the rotor, an air distribution port is arranged on the side wall of the cylinder, which corresponds to the transmission gear, except the side wall of the cylinder, and the transmission gear is in meshing transmission with a transmission gear. The two-stroke free piston engine disclosed by the utility model has the advantages of simple structure, high power density, low oil consumption, good environmental friendliness and the like.
Description
Technical Field
The utility model relates to the field of heat energy and power, in particular to a two-stroke free piston engine.
Background
If the driving teeth do not enter the cylinder, the length of the engine is greatly increased, which causes many problems, such as increase of weight, increase of manufacturing cost, reduction of rigidity of the whole engine, and the like, however, if the driving teeth enter the cylinder, lubricating oil inevitably enters an air inlet arranged on the side wall of the cylinder, communication between an air inlet channel and the space where the driving teeth are located is caused, and all of the problems cause increase of consumption of the lubricating oil and reduction of environmental protection. It would be advantageous if a two-stroke free piston engine could be devised that circumvents these problems. It is therefore desirable to invent a new two-stroke free piston engine.
Disclosure of Invention
In order to solve the above problems, the technical solution proposed by the present invention is as follows:
scheme 1: a two-stroke free piston engine comprises a rotor, wherein a piston is arranged on the rotor, the piston is arranged in a cylinder, a transmission gear is arranged on the rotor, an air distribution port is arranged on the side wall, corresponding to the transmission gear, of the cylinder, except for the side wall of the cylinder, and the transmission gear is in meshing transmission with a transmission gear.
Scheme 2: a two-stroke free piston engine comprises a rotor A and a rotor B, wherein the rotor A is provided with a piston A, the rotor B is provided with a piston B, the piston A is arranged in a cylinder A, the piston B is arranged in the cylinder B, the rotor A is provided with a transmission gear A, the side wall, corresponding to the transmission gear A, except the side wall of the cylinder A is provided with an air distribution port A, the transmission gear A is in meshing transmission with a transmission gear, the rotor B is provided with a transmission gear B, the side wall, corresponding to the transmission gear B, except the side wall of the cylinder B is provided with an air distribution port B, the transmission gear B is in meshing transmission with the transmission gear, and the power A and the power B are reversely linked.
Scheme 3: on the basis of the proposal 1, a wide oil ring is further selectively arranged on the side wall of the cylinder, which is positioned outside the gas distribution port, and the axial width of the cylinder of the wide oil ring is at least larger than the sum of one pitch and one tooth crest width of the transmission teeth.
Scheme 4: on the basis of the scheme 2, a wide oil ring A is further selectively arranged on the side wall of the cylinder A, which is positioned outside the gas distribution port A, and the axial width of the cylinder of the wide oil ring A is at least larger than the sum of one pitch and one tooth crest groove width of the transmission tooth A; and/or, a wide oil ring B is arranged on the side wall of the cylinder B, which is positioned outside the gas distribution port B, and the axial width of the cylinder of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth B.
Scheme 5: on the basis of any one of the aspects 1 to 4, the engine further selectively comprises three transmission gears which are sequentially set as a transmission gear A, a transmission gear B and a transmission gear C.
Scheme 6: on the basis of the scheme 5, a gear AC is further selectively and rotatably arranged on a gear shaft of the transmission gear B, the transmission gear a is in meshing transmission with the gear AC through the gear a, the transmission gear C is in meshing transmission with the gear AC through the gear C, the transmission gear B is fixedly connected with a motor rotor and/or a rotational inertia body, and the gear AC is fixedly connected with the motor rotor and/or the rotational inertia body; or, a gear AC and a gear CA can be rotatably arranged on the gear shaft of the transmission gear B, the gear AC and the gear CA are coaxially and fixedly connected, the transmission gear A is in meshing transmission with the gear AC through the gear A, the transmission gear C is in meshing transmission with the gear CA through the gear C, the gear A and the gear AC are both cylindrical helical gears, the gear C and the gear CA are both cylindrical helical gears, the axial thrust generated by the meshing of the gear A and the gear AC on the gear AC is opposite to the axial thrust generated by the meshing of the gear C and the gear CA on the gear CA, the transmission gear B is fixedly connected with the motor rotor and/or the rotational inertia body, and the gear shafts of the gear AC and the gear CA are fixedly connected with the motor rotor and/or the rotational inertia body.
Scheme 7: a two-stroke free piston engine comprises a rotor A, a rotor B, a rotor C and a rotor D, wherein the rotor A is provided with the piston A, the rotor B is provided with the piston B, the piston A is arranged in a cylinder A, the piston B is arranged in a cylinder B, the rotor A is provided with a transmission gear A, a gas distribution port A is arranged on the side wall, corresponding to the transmission gear A, except the side wall of the cylinder A, the transmission gear A is in meshing transmission with a transmission gear AB, the rotor B is provided with the transmission gear B, a gas distribution port B is arranged on the side wall, corresponding to the transmission gear B, except the side wall of the cylinder B, the transmission gear B is in meshing transmission with the transmission gear AB, the power A and the power B are in reverse linkage arrangement, the rotor C is provided with the piston C, the rotor D is arranged on the rotor D, the piston C is arranged in the cylinder C, the piston D is arranged in the cylinder D, a transmission gear C is arranged on the rotor C, an air distribution port C is arranged on the side wall, corresponding to the transmission gear C, outside the side wall of the cylinder C, the transmission gear C is in meshing transmission with the transmission gear CD, a transmission gear D is arranged on the rotor D, an air distribution port D is arranged on the side wall, corresponding to the transmission gear D, outside the side wall of the cylinder D, the transmission gear D is in meshing transmission with the transmission gear CD, the power C and the power D are in reverse linkage, and the rotor B and the rotor C are in same-direction linkage.
Scheme 8: on the basis of the scheme 7, a wide oil ring A is further selectively arranged on the side wall of the cylinder A, which is positioned outside the gas distribution port A, and the axial width of the cylinder of the wide oil ring A is at least larger than the sum of one pitch and one tooth crest groove width of the transmission tooth A; and/or, a wide oil ring B is arranged on the side wall of the cylinder B, which is positioned outside the gas distribution port B, and the axial width of the cylinder of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth B; and/or, a wide oil ring C is arranged on the side wall of the cylinder C, which is positioned outside the gas distribution port C, and the axial width of the cylinder of the wide oil ring C is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth C; and/or, a wide oil ring D is arranged on the side wall of the cylinder D, which is positioned outside the gas distribution port D, and the axial width of the cylinder of the wide oil ring D is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth D.
Scheme(s)9: on the basis of the scheme 7 or 8, the engine further comprises three transmission gears AB which are sequentially set as the transmission gears AB1And a transmission gear AB2And a drive gear AB3(ii) a And/or the engine comprises three transmission gears CD which are sequentially set as the transmission gears CD1And a transmission gear C2And a transmission gear CD3。
Scheme 10: on the basis of the scheme 9, the transmission gear AB is further selectively selected2The gear shaft is rotatably provided with a gear AC, and the transmission gear AB1Is in meshed transmission with the gear AC through the gear A, and the transmission gear AB3Is in meshed transmission with the gear AC through a gear C, and the transmission gear AB2The gear AC is fixedly connected with the motor rotor and/or the rotational inertia body; and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC and a transmission gear CD1Is in meshed transmission with the gear CC through a gear D, and the transmission gear CD3Is in meshed transmission with the gear CC through a gear E, and the transmission gear CD2The gear CC is fixedly connected with the motor rotor and/or the rotational inertia body.
Scheme 11: on the basis of the scheme 9, the transmission gear AB is further selectively selected2The gear shaft is rotatably provided with a gear AC and a gear CA which are coaxially and fixedly connected, and the transmission gear AB1Is in meshed transmission with the gear AC through the gear A, and the transmission gear AB3The gear A and the gear AC are both cylindrical helical gears through the meshing transmission of the gear C and the gear CA, the gear C and the gear CA are both cylindrical helical gears, the axial thrust generated by the meshing of the gear A and the gear AC on the gear AC is opposite to the axial thrust generated by the meshing of the gear C and the gear CA on the gear CA, and the transmission gear AB is2Fixedly connected with the motor rotor and/or the rotational inertia body, and teeth of the gear AC and the gear CAThe wheel shaft is fixedly connected with the motor rotor and/or the rotational inertia body; and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC1And gear CC2Said gear CC1And the gear CC2Coaxial fixed connection arrangement, said transmission gear CD1Through gear D and gear CC1Meshing drive arrangement, said drive gear CD3Via gear E and gear CC2A meshing transmission arrangement, said gear D and said gear CC1Are all arranged as cylindrical helical gears, the gear E and the gear CC2Are all arranged as cylindrical helical gears, the gear D and the gear CC1Is engaged with the gear CC1The generated axial thrust and the gear E and the gear CC2Is engaged with the gear CC2The generated axial thrust is arranged oppositely, and the transmission gear CD2Is fixedly connected with the motor rotor and/or the rotational inertia body, and the gear CC1And the gear CC2The gear shaft is fixedly connected with the motor rotor and/or the rotational inertia body.
In the utility model, the pistons can be selectively arranged at both ends of the rotor.
In the present invention, the addition of letters such as "a" and "B" to a name of a certain component is merely to distinguish two or more components having the same name.
In the present invention, necessary components, units, systems, etc. should be provided where necessary according to the well-known techniques in the thermal and power fields.
The two-stroke free piston engine has the advantages of simple structure, high power density, low oil consumption, good environmental protection and the like.
Drawings
FIG. 1: the structure of embodiment 1 of the utility model is schematically shown;
FIG. 2: the structure of embodiment 2 of the utility model is schematically shown;
FIG. 3: a schematic structural diagram of an implementation manner of embodiment 3 of the present invention;
FIG. 4: a schematic structural diagram of another embodiment of example 3 of the present invention;
Detailed Description
Example 1
A two-stroke free piston engine comprises a rotor 1, wherein a piston 2 is arranged on the rotor 1, the piston 2 is arranged in a cylinder 3, a transmission gear is arranged on the rotor 1, an air distribution port is formed in the side wall, corresponding to the transmission gear, of the cylinder 3 except the side wall, and the transmission gear is in meshing transmission with a transmission gear 4.
Example 2
The utility model provides a two-stroke free piston engine, includes runner A5 and runner B6 set up piston A7 on runner A5 set up piston B8 on runner B6, piston A7 sets up in cylinder A9, piston B8 sets up in cylinder B10 set up driving tooth A on runner A5, with driving tooth A is corresponding set up on the lateral wall outside the lateral wall of cylinder A9, driving tooth A sets up with drive gear 4 meshing transmission, set up driving tooth B on runner B6, with driving tooth B is corresponding set up on the lateral wall outside the lateral wall of cylinder B10 and join in marriage gas port B, driving tooth B with drive gear 4 meshing transmission sets up, power A with power B reverse linkage sets up.
Example 3
A two-stroke free piston engine, further comprising, in addition to embodiment 1, a wide oil ring selectively provided on a side wall of the cylinder outside the port, the wide oil ring having a cylinder axial width at least larger than a sum of a pitch and a crest groove width of the transmission teeth.
As a switchable embodiment, in example 2 of the present invention, referring to example 3, it is further selected to provide a wide oil ring a on the side wall of the cylinder A9 located outside the gas distribution port a, the wide oil ring a having a cylinder axial width at least larger than the sum of one pitch and one addendum groove width of the transmission tooth a; and/or, a wide oil ring B is arranged on the side wall of the cylinder B10, which is positioned outside the gas distribution port B, and the axial width of the cylinder of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth B.
In the specific implementation of all the previous embodiments of the present invention, it is further selectable that the engine includes three transmission gears and is sequentially set as a transmission gear a 11, a transmission gear B12 and a transmission gear C13. A gear AC 18 can be further selectively and rotatably arranged on a gear shaft of the transmission gear B12, the transmission gear A11 is in meshing transmission with the gear AC 18 through a gear A14, the transmission gear C13 is in meshing transmission with the gear AC 18 through a gear C15, the transmission gear B12 is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16, and the gear AC 18 is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16; or, a gear AC 18 and a gear CA 19 are rotatably disposed on a gear shaft of the transmission gear B12, the gear AC 18 and the gear CA 19 are coaxially and fixedly connected, the transmission gear a 11 is in meshing transmission with the gear AC 18 through a gear a 14, the transmission gear C13 is in meshing transmission with the gear CA 19 through a gear C15, the gear a 14 and the gear AC 18 are both cylindrical helical gears, the gear C15 and the gear CA 19 are both cylindrical helical gears, an axial thrust generated by the meshing of the gear a 14 and the gear AC 18 on the gear AC 18 is opposite to an axial thrust generated by the meshing of the gear C15 and the gear CA 19 on the gear CA 19, and the transmission gear B12 is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16, the gear shafts of the gear AC 18 and the gear CA 19 are fixedly connected to the motor rotor 17 and/or the rotational inertia body 16.
Example 4
A two-stroke free piston engine comprises a rotor A5, a rotor B6, a rotor C and a rotor D, wherein a piston A7 is arranged on the rotor A5, a piston B8 is arranged on the rotor B6, the piston A7 is arranged in a cylinder A9, the piston B8 is arranged in a cylinder B10, a transmission gear A is arranged on the rotor A5, an air distribution port A is arranged on the side wall, corresponding to the transmission gear A, of the cylinder A9 except the side wall, the transmission gear A is in meshing transmission with a transmission gear AB, a transmission gear B is arranged on the rotor B6, an air distribution port B is arranged on the side wall, corresponding to the transmission gear B, of the cylinder B10 except the side wall, the transmission gear B is in meshing transmission with the transmission gear AB, and the power A and the power B are in reverse linkage arrangement, the rotor C is provided with a piston C, the rotor D is provided with a piston D, the piston C is arranged in a cylinder C, the piston D is arranged in the cylinder D, the rotor C is provided with a transmission gear C, a gas distribution port C is arranged on the side wall, corresponding to the transmission gear C, of the cylinder C except the side wall, the transmission gear C is in meshing transmission with the transmission gear CD, the rotor D is provided with a transmission gear D, a gas distribution port D is arranged on the side wall, corresponding to the transmission gear D, of the cylinder D except the side wall, the transmission gear D is in meshing transmission with the transmission gear CD, the power C is in reverse linkage with the power D, and the rotor B6 is in same-direction linkage with the rotor C.
As a switchable embodiment, example 7 of the present invention may further selectively provide a wide oil ring a having a cylinder axial width at least larger than the sum of one pitch and one addendum groove width of the transmission teeth a on the side wall of the cylinder A9 located outside the gas distribution port a; and/or, a wide oil ring B is arranged on the side wall of the cylinder B10, which is positioned outside the gas distribution port B, and the cylinder axial width of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest groove width of the transmission tooth B; and/or, a wide oil ring C is arranged on the side wall of the cylinder C, which is positioned outside the gas distribution port C, and the axial width of the cylinder of the wide oil ring C is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth C; and/or, a wide oil ring D is arranged on the side wall of the cylinder D, which is positioned outside the gas distribution port D, and the axial width of the cylinder of the wide oil ring D is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth D.
In practical implementation of the embodiment 4 and its modified embodiment of the present invention, the engine may further selectively include three of the transmission gears AB, which are sequentially set as the transmission gears AB1Driving gearWheel AB2And a drive gear AB3(ii) a And/or the engine comprises three transmission gears CD which are sequentially set as the transmission gears CD1And a transmission gear C2And a transmission gear CD3. And can be further selectively selected at the transmission gear AB2Is rotatably provided with a gear AC 18, and the transmission gear AB1Is in meshed transmission with the gear AC 18 through a gear A14, and the transmission gear AB3Is in meshed transmission with the gear AC 18 through a gear C15, and the transmission gear AB2The gear AC 18 is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16; and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC and a transmission gear CD1Is in meshed transmission with the gear CC through a gear D, and the transmission gear CD3Is in meshed transmission with the gear CC through a gear E, and the transmission gear CD2The gear CC is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16; can be further selectively selected at the transmission gear AB2The gear shaft is rotatably provided with a gear AC 18 and a gear CA 19, the gear AC 18 and the gear CA 19 are coaxially and fixedly connected, and the transmission gear AB1Is in meshed transmission with the gear AC 18 through a gear A14, and the transmission gear AB3The gear A14 and the gear AC 18 are both cylindrical helical gears through the meshing transmission of a gear C15 and the gear CA 19, the gear C15 and the gear CA 19 are both cylindrical helical gears, the axial thrust generated by the meshing of the gear A14 and the gear AC 18 on the gear AC 18 is opposite to the axial thrust generated by the meshing of the gear C15 and the gear CA 19 on the gear CA 19, and the transmission gear AB is2The gear shaft of the gear AC 18 and the gear CA 19 is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16; and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC1And gear CC2Said gear CC1And the gear CC2Coaxial fixed connection arrangement, said transmission gear CD1Through gear D and gear CC1Meshing drive arrangement, said drive gear CD3Via gear E and gear CC2A meshing transmission arrangement, said gear D and said gear CC1Are all arranged as cylindrical helical gears, the gear E and the gear CC2Are all arranged as cylindrical helical gears, the gear D and the gear CC1Is engaged with the gear CC1The generated axial thrust and the gear E and the gear CC2Is engaged with the gear CC2The generated axial thrust is arranged oppositely, and the transmission gear CD2Fixedly connected with the motor rotor 17 and/or the rotational inertia body 16, and the gear CC1And the gear CC2Is fixedly connected with the motor rotor 17 and/or the rotational inertia body 16.
Obviously, the present invention is not limited to the above embodiments, and many modifications can be derived or suggested according to the known technology in the field and the technical solutions disclosed in the present invention, and all of the modifications should be considered as the protection scope of the present invention.
Claims (11)
1. A two-stroke free piston engine comprising a mover (1), characterized in that: the pneumatic transmission device is characterized in that a piston (2) is arranged on the rotor (1), the piston (2) is arranged in the cylinder (3), transmission teeth are arranged on the rotor (1), air distribution ports are formed in the side walls, corresponding to the transmission teeth, of the cylinder (3), except the side walls, and the transmission teeth are in meshing transmission with the transmission gear (4).
2. A two-stroke free piston engine comprising a mover a (5) and a mover B (6), characterized in that: set up piston A (7) on active cell A (5) set up piston B (8) on active cell B (6), piston A (7) set up in cylinder A (9), piston B (8) set up in cylinder B (10) set up driving gear A on active cell A (5), with driving gear A is corresponding set up on the lateral wall outside the lateral wall of cylinder A (9) and join in marriage gas port A, driving gear A sets up with drive gear (4) meshing transmission set up on active cell B (6) set up driving gear B, with driving gear B is corresponding set up join in marriage gas port B on the lateral wall outside the lateral wall of cylinder B (10), driving gear B with drive gear (4) meshing transmission set up, power A with power B reverse linkage sets up.
3. The two-stroke free piston engine of claim 1, wherein: a wide oil ring is provided on a side wall of the cylinder (3) located outside the gas distribution port, and has a cylinder axial width at least greater than the sum of one pitch and one addendum groove width of the transmission teeth.
4. The two-stroke free piston engine of claim 2, wherein: a wide oil ring A is arranged on the side wall of the cylinder A (9) which is positioned outside the gas distribution port A, and the cylinder axial width of the wide oil ring A is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth A; and/or, a wide oil ring B is arranged on the side wall of the cylinder B (10) outside the gas distribution port B, and the axial width of the cylinder of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest groove width of the transmission tooth B.
5. The two-stroke free piston engine of any one of claims 1 to 4, wherein: the engine comprises three transmission gears which are sequentially arranged as a transmission gear A (11), a transmission gear B (12) and a transmission gear C (13).
6. The two-stroke free piston engine of claim 5, wherein: a gear AC (18) is rotatably arranged on a gear shaft of the transmission gear B (12), the transmission gear A (11) is in meshing transmission with the gear AC (18) through a gear A (14), the transmission gear C (13) is in meshing transmission with the gear AC (18) through a gear C (15), the transmission gear B (12) is fixedly connected with a motor rotor (17) and/or a rotational inertia body (16), and the gear AC (18) is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16); or, a gear AC (18) and a gear CA (19) are rotatably arranged on a gear shaft of the transmission gear B (12), the gear AC (18) and the gear CA (19) are coaxially and fixedly connected, the transmission gear A (11) is in meshing transmission with the gear AC (18) through a gear A (14), the transmission gear C (13) is in meshing transmission with the gear CA (19) through a gear C (15), the gear A (14) and the gear AC (18) are both set to be cylindrical helical gears, the gear C (15) and the gear CA (19) are both set to be cylindrical helical gears, an axial thrust generated by the meshing of the gear A (14) and the gear AC (18) on the gear AC (18) is opposite to an axial thrust generated by the meshing of the gear C (15) and the gear CA (19) on the gear CA (19), the transmission gear B (12) is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16), and the gear shafts of the gear AC (18) and the gear CA (19) are fixedly connected with the motor rotor (17) and/or the rotational inertia body (16).
7. A two-stroke free piston engine comprises a rotor A (5), a rotor B (6), a rotor C and a rotor D, and is characterized in that: the rotor A (5) is provided with a piston A (7), the rotor B (6) is provided with a piston B (8), the piston A (7) is arranged in a cylinder A (9), the piston B (8) is arranged in a cylinder B (10), the rotor A is provided with a transmission gear A, the side wall, corresponding to the transmission gear A, of the cylinder A (9) except the side wall is provided with an air distribution port A, the transmission gear A is in meshing transmission with a transmission gear AB, the rotor B (6) is provided with a transmission gear B, the side wall, corresponding to the transmission gear B, of the cylinder B (10) except the side wall is provided with an air distribution port B, the transmission gear B is in meshing transmission with the transmission gear AB, the power A and the power B are in reverse linkage, the rotor C is provided with a piston C, and the rotor D is provided with a piston D, the piston C is arranged in the cylinder C, the piston D is arranged in the cylinder D, a transmission gear C is arranged on the rotor C, an air distribution port C is arranged on the side wall, corresponding to the transmission gear C, outside the side wall of the cylinder C, the transmission gear C is in meshing transmission with the transmission gear CD, a transmission gear D is arranged on the rotor D, an air distribution port D is arranged on the side wall, corresponding to the transmission gear D, outside the side wall of the cylinder D, the transmission gear D is in meshing transmission with the transmission gear CD, the power C is in reverse linkage with the power D, and the rotor B (6) and the rotor C are in same-direction linkage.
8. The two-stroke free piston engine of claim 7, wherein: a wide oil ring A is arranged on the side wall of the cylinder A (9) which is positioned outside the gas distribution port A, and the cylinder axial width of the wide oil ring A is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth A; and/or, a wide oil ring B is arranged on the side wall of the cylinder B (10) outside the gas distribution port B, and the cylinder axial width of the wide oil ring B is at least larger than the sum of one pitch and one tooth crest groove width of the transmission tooth B; and/or, a wide oil ring C is arranged on the side wall of the cylinder C, which is positioned outside the gas distribution port C, and the axial width of the cylinder of the wide oil ring C is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth C; and/or, a wide oil ring D is arranged on the side wall of the cylinder D, which is positioned outside the gas distribution port D, and the axial width of the cylinder of the wide oil ring D is at least larger than the sum of one pitch and one tooth crest width of the transmission tooth D.
9. The two-stroke free piston engine of claim 7 or 8, wherein: the engine comprises three transmission gears AB which are sequentially arranged as the transmission gears AB1And a transmission gear AB2And a drive gear AB3(ii) a And/or the engine comprises three transmission gears CD which are sequentially set as the transmission gears CD1And a transmission gear C2And a transmission gear CD3。
10. The two-stroke free piston engine of claim 9, wherein: at the transmission gear AB2Is rotatably provided with a gear AC (18), and the transmission gear AB1Is in meshed transmission with the gear AC (18) through a gear A (14), and the transmission gear AB3Is in meshed transmission with the gear AC (18) through a gear C (15), and the transmission gear AB2The gear AC (18) is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16); and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC and a transmission gear CD1Is in meshed transmission with the gear CC through a gear D, and the transmission gear CD3Is in meshed transmission with the gear CC through a gear E, and the transmission gear CD2The gear CC is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16), and the gear CC is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16).
11. The two-stroke free piston engine of claim 9, wherein: at the transmission gear AB2The gear shaft is rotatably provided with a gear AC (18) and a gear CA (19), the gear AC (18) and the gear CA (19) are coaxially and fixedly connected, and the transmission gear AB1Is in meshed transmission with the gear AC (18) through a gear A (14), and the transmission gear AB3The gear C (15) and the gear CA (19) are in meshing transmission, the gear A (14) and the gear AC (18) are both cylindrical helical gears, the gear C (15) and the gear CA (19) are both cylindrical helical gears, axial thrust generated by meshing of the gear A (14) and the gear AC (18) on the gear AC (18) is opposite to axial thrust generated by meshing of the gear C (15) and the gear CA (19) on the gear CA (19), and the transmission gear AB is2The gear shaft of the gear AC (18) and the gear CA (19) is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16); and/or, in the transmission gear CD2The gear shaft is rotatably provided with a gear CC1And gear CC2Said gear CC1And the gear CC2Coaxial fixed connection arrangement, said transmission gear CD1Through gear D and gear CC1Meshing drive arrangement, said drive gear CD3Via gear E and gear CC2A meshing transmission arrangement, said gear D and said gear CC1Are all provided with cylindrical helical gears, the gear E and the gearThe gear CC2Are all arranged as cylindrical helical gears, the gear D and the gear CC1Is engaged with the gear CC1The generated axial thrust and the gear E and the gear CC2Is engaged with the gear CC2The generated axial thrust is arranged oppositely, and the transmission gear CD2Is fixedly connected with a motor rotor (17) and/or a rotational inertia body (16), and the gear CC1And the gear CC2The gear shaft is fixedly connected with the motor rotor (17) and/or the rotational inertia body (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020105830292 | 2020-06-23 | ||
| CN202010583029 | 2020-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890205U true CN215890205U (en) | 2022-02-22 |
Family
ID=80346165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121369761.6U Active CN215890205U (en) | 2020-06-23 | 2021-06-19 | Two-stroke free piston engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215890205U (en) |
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2021
- 2021-06-19 CN CN202121369761.6U patent/CN215890205U/en active Active
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