CN115788666A - Piston link mechanism - Google Patents
Piston link mechanism Download PDFInfo
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- CN115788666A CN115788666A CN202210904820.8A CN202210904820A CN115788666A CN 115788666 A CN115788666 A CN 115788666A CN 202210904820 A CN202210904820 A CN 202210904820A CN 115788666 A CN115788666 A CN 115788666A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention provides a piston connecting rod mechanism which comprises a top surface piston, a piston body and a connecting rod part, wherein pin holes are formed in the upper side and the lower side of the piston body, the pin holes in the upper side of the piston body are connected with the top surface piston through the connecting rod part, a roller shaft is installed in the pin holes in the lower side of the piston body, a positioning long groove is formed in one side of the piston body, lubricating oil taking long grooves are formed in the front side and the rear side of the piston body, a blind oil passage hole is formed in each oil taking long groove and is communicated with the center of a contact shaft neck of the roller shaft, and a roller assembly is arranged on each roller shaft. According to the piston connecting rod mechanism, the split design of the piston ring group and the piston molded line in the piston part is realized, the piston assembly is subjected to the elongation design, the driving and the reciprocation of the connecting rod assembly by the turntable are realized through the design of the idler wheel and the return wheel, the circumferential arrangement of an engine cylinder is solved, the crank connecting rod mechanism is changed into the circumferential driving of the turntable, the number of parts is reduced, and the part processing and the assembly of the engine are simplified.
Description
Technical Field
The invention belongs to the field of engine machinery, and particularly relates to a piston connecting rod mechanism.
Background
The conventional engine is mainly in an axial mode, all cylinders are arranged in an engine body along the crankshaft direction of the engine or in-line or V-shaped, fuel in the cylinders is combusted to do work, and energy is transmitted to an output shaft through the reciprocating motion of a crank connecting rod mechanism.
The traditional engine crank connecting rod mechanism is complex, the longitudinal volume of the engine is increased by the axial arrangement mode of the cylinders, and the like.
Disclosure of Invention
In view of the above, the present invention aims to provide a piston link mechanism applied to a novel rotary table engine, which can realize radial arrangement (circumferential arrangement) of cylinders in an engine body, and the rotary table engine cancels a crank link mechanism of a conventional engine and replaces a rotary table and a novel piston link mechanism, and aims to overcome the problems that the crank link mechanism of the conventional engine is complex, the longitudinal volume of the engine is increased due to an axial arrangement mode of the cylinders, and the like.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a piston connecting rod mechanism comprises a top surface piston, a piston body and a connecting rod part, wherein pin holes are formed in the upper side and the lower side of the piston body, the pin holes in the upper side of the piston body are connected with the top surface piston through the connecting rod part, a roller shaft is installed in the pin holes in the lower side of the piston body, a positioning long groove is formed in one side of the piston body, lubricating oil taking long grooves are formed in the front side and the rear side of the piston body, a dark oil passage hole is formed in each oil taking long groove and communicated with the center of a contact shaft neck of the roller shaft, and a roller assembly is arranged on each roller shaft.
Further, the upper end and the lower end of the top surface piston are provided with pin holes, an air ring installation groove, a top surface piston pin control ring and an oil ring are arranged between the upper pin hole and the lower pin hole of the top surface piston, and the air ring installation groove comprises a top surface air ring, a first air ring and a second air ring; the arrangement mode of the rings is from top to bottom: the top surface piston pin is arranged in the top surface piston pin hole, and the air sealing blocking covers are arranged on two sides of the top surface piston; the air sealing blocking covers are arranged on two sides of the piston pin hole on the top surface; the air-sealing plug cover is provided with protrusions corresponding to the piston pin holes, and the air-sealing plug cover is arranged in the top surface piston in an interference mode.
Furthermore, a piston body pin hole for installing the piston body pin and a roller hole for installing the roller part are formed in the bottom of the piston body, the piston body is provided with the piston body pin through the piston body pin hole, and the top surface piston pin and the piston body pin are subjected to heat treatment to improve the surface hardness; a first check ring is arranged in the piston body pin hole and is arranged at the end part of the piston body pin; and a second check ring is arranged in the top surface piston pin hole, and the second check ring is arranged at two ends of the top surface piston pin.
Furthermore, an upper shaft hole and a lower shaft hole are formed in the upper end face and the lower end face of the connecting rod part, the upper shaft hole is connected with the top surface piston pin, the lower shaft hole is connected with the piston body in a pin mode, double oil taking holes are formed in the two shaft holes of the upper shaft hole and the lower shaft hole, oil taking inclined planes are symmetrically arranged at the two ends of each double oil taking hole respectively, the side face of the connecting rod part guarantees the thrust size through fine grinding, connecting rod oil drainage grooves are formed in the two side faces of the connecting rod part, and two high-strength wear-resistant bushes are installed on the connecting rod part. Two shaft holes of the upper shaft hole and the lower shaft hole are internally provided with two oil taking holes with 60-degree included angles, and two ends of the two shaft holes are respectively symmetrically provided with a single-side 8-degree oil taking inclined plane.
Further, both sides of the piston body and the connecting rod part are provided with connecting rod thrust rings; the connecting rod thrust ring is provided with a plurality of circular holes distributed along the circumference, an inner hole in the middle of the connecting rod thrust ring is matched with the outer diameter of the piston body pin, and the connecting rod thrust ring adjusts the movement clearance of the connecting rod part through the thickness tolerance size.
Furthermore, the bottom of piston body is equipped with the lower extreme shaft hole, the roller shaft is installed in the lower extreme shaft hole of piston body, be equipped with the oil duct hole in the middle of the roller shaft, be equipped with a plurality of evenly distributed's inlet port on the lateral wall of roller shaft, lubricating oil can flow into middle oil duct through the inlet port of roller shaft from the dark oil duct of piston body, the oil duct of following is lubricated for roller contact journal face respectively, the one end of roller shaft is equipped with the thrust plane, the other end is equipped with the retaining ring mounting groove, the roller shaft installs the gyro wheel thrust ring through the thrust plane, the roller shaft installs the retaining ring through the retaining ring mounting groove, through the retaining ring of installation and the drunkenness adjustment in the roller shaft, the roller journal of roller shaft and roller part hole adoption fit tolerance.
Furthermore, the roller assembly comprises a plurality of rollers, and the rollers are mounted at the bottom of the piston body through roller shafts.
Furthermore, a high-strength wear-resistant bush is arranged in the roller part, the hardness of the surface of the roller is improved by the roller of the roller part through heat treatment, the size of a thrust is ensured by accurate grinding of two end faces of the roller part, and a plurality of roller oil drainage grooves distributed along the circumference are formed in the side face of the roller;
preferably, the number of the roller oil drainage grooves is 6.
Further, a return wheel thrust ring is arranged between the roller component and the piston body, an inner hole of the return wheel thrust ring is matched with the outer diameter of the roller shaft, and the movement clearance between the roller component and the roller shaft is adjusted through the thickness tolerance size;
the inner hole of the roller thrust ring is matched with the outer diameter of the roller shaft, the roller thrust ring is arranged between the piston body and the roller part, and the movement clearance between the roller part and the piston body is adjusted through the thickness tolerance.
The design of a new-type piston connecting rod mechanism is completely different from that of a conventional crank connecting rod mechanism, the piston is integrally elongated through an upper part and a lower part, the effective connection of a split structure is realized through a connecting rod part, and different from the conventional rotary structure, the driving of the piston connecting rod mechanism in one form adopts the acting force generated between a roller and a rotary disc and the friction force between the rotary wheel and the rotary disc. By adopting the development of the novel piston connecting rod mechanism turntable engine, the volume power and the mass power of the engine can be greatly improved, and the parts of the engine are greatly reduced due to the elimination of an unconventional crank connecting rod mechanism, so that the reliability of the turntable engine is improved, and the time cost and the economic cost are reduced.
Compared with the prior art, the piston connecting rod mechanism has the following beneficial effects:
(1) This new-type piston link mechanism connects top surface piston and piston body through the connecting rod part, realizes the components of a whole that can function independently design of piston ring group and piston molded lines among the piston part to stretch the design with piston assembly, realize the carousel through gyro wheel and return wheel design and to the drive and reciprocal of link assembly, solve the circumference of engine cylinder and arrange, and become the carousel circumference drive with crank link mechanism, reduced spare part quantity, simplified the part machining and the assembly of engine.
(2) The novel piston connecting rod mechanism has the characteristics of simplicity in processing and installation and easiness in fault treatment, and the economic cost in tests or product development is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the assembly structure of a new piston link mechanism according to the present invention;
FIG. 2 is a schematic top piston view of a novel piston rod mechanism according to the present invention;
FIG. 3 is a schematic view of a piston body of a novel piston rod mechanism according to the present invention;
FIG. 4 is a schematic view of a connecting rod body of a novel piston rod mechanism according to the present invention;
FIG. 5 is a schematic view of a new roller thrust ring of the piston link mechanism according to the present invention;
FIG. 6 is a schematic view of a new piston rod mechanism roller shaft according to the present invention;
FIG. 7 is a schematic view of a new piston rod mechanism roller assembly according to the present invention;
FIG. 8 is a schematic illustration of a new piston connecting rod mechanism wrist pin according to the present invention;
FIG. 9 is a schematic view of a new piston rod mechanism air-sealing cap according to the present invention;
FIG. 10 is a schematic view of a connecting rod thrust ring of the new piston rod mechanism of the present invention;
fig. 11 is a schematic view of a new piston rod mechanism wheel-returning thrust ring according to the present invention.
Description of reference numerals:
1. a first plug; 2. a return wheel thrust ring; 3. a roller thrust ring; 4. a first retainer ring; 5. a connecting rod thrust ring; 6. a piston body pin; 7. a second retainer ring; 8. a first gas ring; 9. a top surface gas ring; 10. a top piston; 11. a link member; 12. a crown wrist pin; 13. sealing an air blocking cover; 14. an oil ring; 15. a piston body; 151. positioning the long groove; 152. a lubricating oil taking long groove; 153. a blind oil passage hole; 16. a roller shaft; 17. a third retainer ring; 18. a roller member; 181. a roller oil drainage groove; 19. a second plug; 20. A second gas ring.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 11, a new piston link mechanism includes a top piston 10, pin holes are provided at upper and lower ends of the top piston 10, an air ring mounting groove, a top piston 10 pin control and oil ring 14 are provided between the upper and lower pin holes of the top piston 10, the air ring mounting groove includes a top air ring 9, a first air ring 8, a second air ring 20;
the arrangement mode of the rings is from top to bottom: the gas seal structure comprises a top surface gas ring 9, a first gas ring 8, a piston pin hole, a second gas ring 20 and an oil ring 14, wherein a top surface piston 10 pin is arranged in the top surface piston 10 pin hole, and gas seal blocking covers 13 are arranged on two sides of the top surface piston 10; the air-sealing blocking covers 13 are arranged on two sides of the pin hole of the top piston 10; the air-sealing blocking cover 13 is provided with protrusions corresponding to piston pin holes, the air-sealing blocking cover 13 is arranged in the top surface piston 10 in an interference mode, the top surface piston 10 is not provided with a piston profile, the air-sealing blocking cover 13 is arranged on two end faces of the pin hole of the top surface piston 10 and is arranged in the top surface piston 10 in a micro interference mode according to the size of an excircle to seal the air flow of the top surface piston 10 entering the machine body when passing through an air inlet;
an upper pin hole and a lower pin hole are formed in the piston body 15, the upper pin hole is connected with the top surface piston 10 through the connecting rod part 11, a roller shaft 16 is installed in the lower pin hole, a lubricating oil taking long groove is formed in the piston body 15, a dark oil channel hole is formed in the oil taking long groove, the oil channel is communicated with the center of a contact shaft neck of the roller shaft 16, a positioning long groove is formed in the piston body 15 and matched with an external positioning pin, the device can be prevented from rotating along the circumference, a piston molded line is arranged on the periphery circumference, and the device is matched with a cylinder sleeve to play a supporting role;
two high-strength wear-resistant bushes are mounted on a connecting rod part 11, two shaft holes are formed in the upper end surface and the lower end surface of the part, the upper shaft hole is connected with a piston pin 12 of a top piston 10, the lower shaft hole is connected with a piston body pin 6, two oil taking holes with an included angle of 60 degrees are formed in the upper shaft hole and the lower shaft hole of the connecting rod part 11, two oil taking inclined planes with a single side angle of 8 degrees (an included angle of the two inclined planes of 16 degrees) are respectively formed in the two ends of the connecting rod part 11, the end surfaces of the two sides of the connecting rod part 11 guarantee the size of thrust through fine grinding, and oil drainage grooves are formed in the end surfaces;
the roller shaft 16 is installed in the shaft hole at the lower end of the piston body 15, the middle of the roller shaft 16 is provided with an oil passage hole, lubricating oil flows into the middle oil passage from a dark oil passage of the piston body 15 through the oil inlet hole of the roller shaft 16, then the three roller contact journal surfaces are lubricated by the three oil passage holes respectively, one end of the roller shaft 16 is provided with a thrust surface, the other end of the roller shaft 16 is provided with an installation groove of an 18 standard check ring 17 for a B-type shaft, the shifting of the roller shaft 16 is adjusted through the installed 18 standard check ring 17 for the B-type shaft and the thrust surface, and the roller journal of the roller shaft 16 and the inner hole of the roller part 18 adopt the matching tolerance;
a high-strength wear-resistant bush is arranged in the roller part 18, the roller of the roller part 18 is subjected to heat treatment to improve the surface hardness of the roller, superfine grinding is adopted to ensure the surface finish, the two end faces of the roller part 18 are subjected to finish grinding to ensure the thrust size, and the two end faces are respectively provided with 6 oil drainage grooves;
the surface hardness of the top surface piston pin 12 and the piston body pin 6 is improved through heat treatment, and the surface finish is improved by adopting fine grinding on the outer surface; the middle inner hole of the connecting rod thrust ring 5 is matched with the outer diameter of the piston body pin 6, the connecting rod thrust ring is arranged between the piston body 15 and the connecting rod part 11, and the movement clearance of the connecting rod part 11 is adjusted through the thickness tolerance size;
the inner hole of the return wheel thrust ring 2 is matched with the outer diameter of the roller shaft 16, the return wheel thrust ring is arranged between the piston body 15 and the roller part 18, and the movement clearance between the roller part 18 and the roller shaft 16 is adjusted through the thickness tolerance size; the inner hole of the roller thrust ring 3 is matched with the outer diameter of the roller shaft 16, and is arranged between the piston body 15 and the roller part 18, and the movement clearance between the roller part 18 and the piston body 15 is adjusted through the thickness tolerance.
The invention relates to a novel piston connecting rod mechanism mounting method, which comprises the following steps:
firstly, coating le tai 263 thread glue on an external thread of a first plug 1 (M8 plug), installing the first plug 1 on an anti-thrust end face internal thread hole of a roller shaft 16 by using a straight screwdriver, coating clean engine oil on the surface of the shaft diameter of the roller shaft 16 after the first plug 1 is installed, and installing a second plug 19 (M4 multiplied by 5 inner hexagonal plug) on the roller shaft 16; mounting the roller part 18 on the thrust end face from the other end of the roller shaft 16, and continuously mounting the wheel return thrust ring 2 on the end face of the roller part 18 after the mounting is finished;
applying clean engine oil to each journal of a lower pin hole of a piston body 15, inserting a roller shaft 16 with a roller part 18 and a return wheel thrust ring 2 into the lower pin hole of the piston body 15, penetrating a first support journal of the lower pin hole of the piston body 15, then sequentially penetrating the roller thrust ring 3, the roller part 18 and the roller thrust ring 3, then penetrating the roller shaft 16 through a second support journal, installing the roller thrust ring 3, the roller part 18 and the roller thrust ring 3 on the roller shaft 16 according to the method, then penetrating the roller shaft 16 through a third support journal of the piston body 15 until the end face of the return wheel thrust ring 2 is contacted with the matching end face of the piston body 15, and installing the shaft into a convex end face ring groove of the roller shaft 16 by using a third retaining ring 17 (18/B standard retaining ring) by using retaining ring calipers;
installing a top surface gas ring 9, a first gas ring 8 and an oil ring 14 into corresponding ring grooves of a top surface piston 10 by using a piston ring caliper, wherein the first gas ring and the second gas ring are two gas rings; smearing clean engine oil in the pin hole of the top piston 10, smearing clean engine oil on the outer surface of the piston pin 12, inserting the piston pin 12 into the piston pin hole of the top piston 10, penetrating through the upper pin hole of the connecting rod part 11, penetrating through the pin hole at the other end of the top piston 10, and installing the air-sealing blocking cover 13 and a standard check ring 7 (22/A for hole use) at two ends of the pin hole of the top piston 10;
after the work is finished, clean engine oil is smeared on two supports of the upper pin hole of the piston body 15, the piston body pin 6 is inserted into a first support journal from the upper pin hole of the piston body 15, then the first support journal sequentially penetrates through the connecting rod thrust ring 5, the connecting rod part 11 and the connecting rod thrust ring 5 until the other end face of the piston body pin 6 is attached to the thrust end face of the pin hole of the piston body 15, and after the installation, a first check ring 4 (20/A standard check ring) for holes is installed into a groove on the end face of the pin hole of the piston body 15, so that the part installation of the novel piston connecting rod mechanism is finished.
Note: the fixing means not explicitly described herein may be a common fixing means such as a screw connection, an adhesive, or a welding, as required.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A piston link mechanism which characterized in that: the oil extraction device comprises a top surface piston (10), a piston body (15) and a connecting rod part (11), wherein pin holes are formed in the upper side and the lower side of the piston body (15), the pin holes in the upper side of the piston body (15) are connected with the top surface piston (10) through the connecting rod part (11), a roller shaft (16) is installed in the pin holes in the lower side of the piston body (15), a positioning long groove (151) is formed in one side of the piston body (15), lubricating oil extraction long grooves (152) are formed in the front side and the rear side of the piston body (15), a dark oil passage hole (153) is formed in each oil extraction long groove and communicated with the center of a contact shaft neck of the roller shaft (16), and a roller assembly is arranged on the roller shaft (16).
2. A piston linkage according to claim 1, wherein: the upper end and the lower end of the top surface piston (10) are provided with pin holes, an air ring installation groove, a top surface piston (10) pin control and an oil ring (14) are arranged between the upper pin hole and the lower pin hole of the top surface piston (10), and the air ring installation groove comprises a top surface air ring (9), a first air ring (8) and a second air ring (20);
the arrangement mode of the rings is from top to bottom: the gas seal ring comprises a top surface gas ring (9), a first gas ring (8), a piston pin hole, a second gas ring (20) and an oil ring (14), wherein a top surface piston (10) pin is installed in the top surface piston (10) pin hole, and gas seal blocking covers (13) are installed on two sides of the top surface piston (10); the air sealing and blocking covers (13) are arranged on two sides of the pin hole of the top surface piston (10);
the air-sealing blocking cover (13) is provided with a bulge corresponding to the piston pin hole, and the air-sealing blocking cover (13) is arranged in the top surface piston (10) in an interference manner.
3. A piston linkage according to claim 2, wherein: the bottom of the piston body (15) is provided with a piston body pin hole for installing the piston body pin (6) and a roller hole for installing the roller part (18), the piston body (15) is provided with the piston body pin (6) through the piston body pin hole, and the top surface piston (10) pin and the piston body pin (6) are subjected to heat treatment to improve the surface hardness;
a first check ring (4) is arranged in the piston body pin hole, and the first check ring (4) is arranged at the end part of the piston body pin (6);
and a second retainer (7) is arranged in the pin hole of the top surface piston (10), and the second retainer (7) is arranged at two ends of the pin of the top surface piston (10).
4. A piston linkage mechanism as claimed in claim 1, wherein: an upper shaft hole and a lower shaft hole are formed in the upper end face and the lower end face of the connecting rod part (11), the upper shaft hole is in pin connection with the top surface piston (10), the lower shaft hole is connected with the piston body pin (6), double oil taking holes are formed in the two shaft holes of the upper shaft hole and the lower shaft hole, two ends of each double oil taking hole are symmetrically provided with an oil taking inclined plane respectively, the side face of the connecting rod part (11) guarantees the size of thrust through fine grinding, connecting rod oil drainage grooves are formed in the two side faces of the connecting rod part (11), and two high-strength wear-resistant bushes are installed on the connecting rod part (11).
5. A piston linkage according to claim 4, wherein: two oil taking holes with 60-degree included angles are arranged in the two shaft holes of the upper shaft hole and the lower shaft hole, and single-side 8-degree oil taking inclined planes are symmetrically arranged at two ends of the two oil taking holes respectively.
6. A piston linkage according to claim 1, wherein: both sides of the piston body (15) and the connecting rod part (11) are provided with connecting rod thrust rings (5); the connecting rod thrust ring (5) is provided with a plurality of circular holes distributed along the circumference, an inner hole in the middle of the connecting rod thrust ring (5) is matched with the outer diameter of the piston body pin (6), and the connecting rod thrust ring (5) adjusts the movement clearance of the connecting rod part (11) through the thickness tolerance size.
7. A piston linkage according to claim 1, wherein: the bottom of the piston body (15) is provided with a lower end shaft hole, the roller shaft (16) is installed in the lower end shaft hole of the piston body (15), an oil passage hole is formed in the middle of the roller shaft (16), a plurality of oil inlet holes which are uniformly distributed are formed in the side wall of the roller shaft (16), lubricating oil can flow into the middle oil passage from a dark oil passage of the piston body (15) through the oil inlet holes of the roller shaft (16), then the roller contact shaft neck surface is lubricated by the oil inlet holes, one end of the roller shaft (16) is provided with a thrust surface, the other end of the roller shaft is provided with a check ring installation groove, the roller shaft (16) is provided with a roller thrust ring (3) through the thrust surface, the check ring is installed on the roller shaft (16) through the check ring installation groove, the shifting of the roller shaft (16) is adjusted through the installed check ring and the thrust surface, and the roller shaft neck of the roller shaft (16) and the inner hole of the roller component (18) adopt matching tolerance.
8. A piston linkage mechanism as claimed in claim 1, wherein: the roller assembly comprises a plurality of rollers, and the rollers are arranged at the bottom of the piston body (15) through roller shafts (16).
9. A piston linkage mechanism as claimed in claim 1, wherein: the roller component (18) is internally provided with a high-strength wear-resistant bush, the roller of the roller component (18) is subjected to heat treatment to improve the surface hardness of the roller, the two end faces of the roller component (18) ensure the size of a thrust through fine grinding, and the side face of the roller is provided with a plurality of roller oil drainage grooves (181) distributed along the circumference;
preferably, the number of the roller oil drainage grooves (181) is 6.
10. A piston linkage mechanism as claimed in claim 7, wherein: a wheel return thrust ring (2) is arranged between the roller component and the piston body (15), an inner hole of the wheel return thrust ring (2) is matched with the outer diameter of the roller shaft (16), and the movement clearance between the roller component and the roller shaft (16) is adjusted through the thickness tolerance size;
the inner hole of the roller thrust ring (3) is matched with the outer diameter of the roller shaft (16), the roller thrust ring (3) is installed between the piston body (15) and the roller part (18), and the movement clearance between the roller part (18) and the piston body (15) is adjusted through the thickness tolerance size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210904820.8A CN115788666A (en) | 2022-07-29 | 2022-07-29 | Piston link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210904820.8A CN115788666A (en) | 2022-07-29 | 2022-07-29 | Piston link mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115788666A true CN115788666A (en) | 2023-03-14 |
Family
ID=85431408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210904820.8A Pending CN115788666A (en) | 2022-07-29 | 2022-07-29 | Piston link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115788666A (en) |
-
2022
- 2022-07-29 CN CN202210904820.8A patent/CN115788666A/en active Pending
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