CN219197485U - Novel motorcycle air-cooled cylinder head assembly - Google Patents
Novel motorcycle air-cooled cylinder head assembly Download PDFInfo
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- CN219197485U CN219197485U CN202221119162.3U CN202221119162U CN219197485U CN 219197485 U CN219197485 U CN 219197485U CN 202221119162 U CN202221119162 U CN 202221119162U CN 219197485 U CN219197485 U CN 219197485U
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- cylinder head
- rocker arm
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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 utility model relates to the technical field of motorcycle engine accessories, in particular to a novel motorcycle air-cooled cylinder head assembly; the device comprises a cylinder head, a metal cover body, a rocker baffle, a rocker assembly and an air inlet pipe; the front side of the cylinder head is provided with a round cover seat, the inner side of the round cover seat is a transmission chain cavity, and the cavity wall of the transmission chain cavity is provided with a baffle seat hole; the combustion chamber is positioned below the engine oil chamber, and a rocker arm assembly is assembled in the engine oil chamber; one side of the cylinder head is connected with an air inlet pipe through an air inlet seat hole; by adopting the utility model, the whole structure is compact, the effective installation and positioning of the rocker arm assembly are ensured, and the rapid assembly and maintenance are realized; the structural strength is protected, and the auxiliary positioning of installation is further carried out; the abundant external hole site designs, further strengthen the overall practicability of the device, facilitate assembly and replacement of external fittings; and the symmetrical air inlet and outlet pipelines are matched with the radiating fins to realize the efficient and rapid radiating target.
Description
Technical Field
The utility model relates to the technical field of motorcycle engine accessories, in particular to a novel motorcycle air-cooled cylinder head assembly.
Background
The engine of the motorcycle is a machine which is used for changing the heat energy generated by burning fuel mixture gas entering a cylinder into mechanical energy and transmitting power to the rear wheel of the motorcycle through a transmission mechanism by a crankshaft to become the driving power of the vehicle, wherein the cylinder mainly comprises a cylinder body, a cylinder head, a cylinder cover, a camshaft and a crankcase, and the cooling mode mainly comprises air cooling, oil cooling and water cooling; the air-cooled cylinder head is provided with radiating fins around the combustion chamber, and the engine cooling is to take heat away from the radiating fins by air flow; the water-cooled cylinder head is provided with a cooling water jacket around the combustion chamber, and engine cooling is to take heat away from the wall of the combustion chamber by water circulation flow;
the air-cooled cylinder head of the existing motorcycle engine is not necessarily symmetrically distributed on two sides of a combustion chamber due to the limitation of a process structure, and the internal structure is not compact, so that time and labor are wasted when corresponding parts are assembled; the whole internal structure design is to be improved, wherein the rocker arm assembly is complicated to install and detach, and the structure is also heavy and inconvenient to maintain; and the outer dome design also has a large lifting space.
Disclosure of Invention
The utility model aims to provide the cylinder head assembly which has the advantages of controllable cost, optimized structure, excellent heat dissipation, convenience in assembling internal parts and outstanding protection capability.
In order to achieve the above object, the present utility model provides the following technical solutions;
a novel motorcycle air-cooled cylinder head assembly comprises a cylinder head, a metal cover body, a rocker baffle, a rocker assembly and an air inlet pipe;
the front side of the cylinder head is provided with a round cover seat for installing a metal cover body, the inner side of the round cover seat is a transmission chain cavity, and the cavity wall of the transmission chain cavity is provided with a baffle seat hole for auxiliary installation of a rocker baffle; the inner side of the transmission chain cavity is provided with an engine oil chamber, a combustion chamber is arranged in the cylinder head, the combustion chamber is positioned below the engine oil chamber, and a rocker arm assembly is assembled in the engine oil chamber; cam holes are formed in the front side wall and the rear side wall of the engine oil chamber, and positioning pin holes are formed in the rear wall; the rocker arm assembly is used for auxiliary installation; one side of the cylinder head is connected with an air inlet pipe through an air inlet seat hole; a plurality of heat dissipation fins are arranged on the outer wall of the cylinder head;
further, one side of the cylinder head is provided with an air inlet seat hole, and the other end of the cylinder head is provided with an air outlet hole; a connecting column hole for external assembly connection is also formed in the cylinder head;
further, one side of the metal cover body is provided with a layered boss, and the other side of the metal cover body is concave and provided with a reinforced inner rib; the mounting end face of the metal cover body is provided with a sealing ring groove; the metal cover body is provided with a cover body mounting hole; the bottom edges of the cover body mounting holes are flush with the inner bottom edge of the metal cover body, and the cover body mounting holes are assembled and mounted with the round cover seat;
further, a baffle bolt hole and a bent pin limiting plate extending from the side edge of the rocker baffle are arranged on the side edge of the rocker baffle; the baffle bolt holes and the pin limiting plates are integrally connected to the rocker baffle; the baffle bolt holes and the pin limiting plates are connected to the rocker baffle in an integrated mode; the inner end surface of the rocker arm baffle is a bearing limit surface, and a group of pin limit plates are bent towards the direction of the bearing limit surface; the baffle bolt holes are matched and assembled with the baffle seat holes; the pin limiting plate extends into the rocker arm assembly to perform auxiliary positioning;
further, the rocker arm assembly comprises an exhaust rocker arm, an intake rocker arm, a rocker arm bearing, a dotting stud and a rocker arm cam; the front ends of the exhaust rocker arm and the air inlet rocker arm are respectively assembled in a rocker arm bearing, and the rocker arm bearings are in abutting connection with cams of the rocker arm cams; the rocker cam is rotatably installed in the cylinder head and driven by an external sprocket; the exhaust rocker arm and the air inlet rocker arm are respectively provided with a pin hole, and rocker arm pins are matched and assembled in the pin holes; the pin limiting plate extends into the rocker pin to assist in positioning;
further, the air inlet pipe comprises an air inlet bent pipe and a pipe body seat; the front end of the air inlet elbow is provided with a connecting thread, the lower end of the air inlet elbow is fixedly connected to the upper end surface of the pipe body seat, the air inlet elbow penetrates through the pipe body seat, and the outer pipe wall of the air inlet elbow and the pipe body seat are integrally formed to form an integral air inlet pipe; a pipe orifice sealing groove is formed in the pipe body seat; the air inlet pipe is assembled on the cylinder head through the pipe body seat; the pipe orifice sealing groove is formed in the outer ring of the end pipe orifice of the air inlet elbow, and the end pipe orifice is formed in the lower end face of the body seat; the pipe body seat is provided with a plurality of auxiliary screw holes, and the auxiliary screw holes penetrate through the upper end face and the lower end face of the pipe body seat;
further, one side of the cylinder head is provided with an air inlet seat hole, and the other end of the cylinder head is provided with an air outlet hole;
further, a connecting column hole for being connected with the outside in an assembling way is also formed in the cylinder head;
by adopting the utility model, the whole structure is compact, the cylinder head assembly is compact in whole structure, and the work is efficient; the cylinder head combines auxiliary hole sites through coaxial hole site design, so that effective installation and positioning of a rocker arm assembly are ensured, and quick assembly and maintenance are realized; the rocker arm baffle is matched to realize the protection structure strength, and the auxiliary positioning of installation is further carried out; the abundant external hole site designs, further strengthen the overall practicability of the device, facilitate assembly and replacement of external fittings; and the symmetrical air inlet and outlet pipelines are matched with the radiating fins to realize the efficient and rapid radiating target.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the utility model in a partially hidden oblique top view;
fig. 3 is a schematic structural view of the cylinder head 100 of the present utility model;
FIG. 4 is a schematic oblique rear view of the cylinder head 100 of the present utility model;
fig. 5 is a schematic structural view of a metal cover 200 according to the present utility model;
FIG. 6 is a schematic diagram of a metal cover 200 according to the present utility model;
FIG. 7 is a structural view of a rocker arm baffle 300 of the present utility model;
FIG. 8 is a structural view of a rocker arm assembly 400 of the present utility model;
fig. 9 is a structural view of an intake pipe 500 of the present utility model;
fig. 10 is a schematic view of the bottom structure of the intake pipe 500 of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-10, a novel motorcycle air-cooled cylinder head assembly comprises a cylinder head 100, a metal cover 200, a rocker baffle 300, a rocker assembly 400 and an air inlet pipe 500;
the front side of the cylinder head 100 is provided with a round cover seat 110 for installing a metal cover body 200, the inner side of the round cover seat 110 is provided with a transmission chain cavity 130, the cavity wall of the transmission chain cavity 130 is provided with a baffle seat hole 120 for auxiliary installation of a rocker baffle 300; the inner side of the transmission chain cavity 130 is an engine oil chamber, a combustion chamber is arranged in the cylinder head 100, the combustion chamber is positioned below the engine oil chamber, and a rocker arm assembly 400 is assembled in the engine oil chamber; cam holes 140 are formed in the front side wall and the rear side wall of the engine oil chamber, and positioning pin holes 150 are formed in the rear wall; for auxiliary mounting of the rocker arm assembly 400; one side of the cylinder head 100 is connected to the intake pipe 500 through the intake seat hole 160; a plurality of heat dissipation fins 101 are arranged on the outer wall of the cylinder head 100;
further, an air inlet seat hole 160 is formed on one side of the cylinder head 100, and an air outlet hole 190 is formed on the other side; a connecting post hole 170 for connecting with the outside is also arranged in the cylinder head 100;
further, a layered boss 210 is provided on one side of the metal cover 200, and a reinforcing inner rib 240 is provided on the other side thereof; the mounting end surface of the metal cover body 200 is provided with a sealing ring groove 230; and the metal cap 200 is provided with a cap mounting hole 220; the bottom edges of the cover body mounting holes 220 are flush with the inner bottom edge of the metal cover body 200, and the cover body mounting holes 220 are assembled and mounted with the round cover seat 110;
in this embodiment, the reinforcing inner rib 240 includes a boss inner rib 241 and a rectangular frame rib 242; the boss inner ribs 241 are arranged in the concave parts on the back surface of the layered boss 210, and the tail ends of the boss inner ribs 241 are connected with rectangular frame ribs 242; the boss inner ribs 241 can strengthen the structural strength in the boss, ensure that the round cover cannot generate larger deformation after collision, further improve the strength of the boss inner ribs 241 through the rectangular frame ribs 242, and improve the integral structural stability of the round cover; the layered boss 210 is designed as a double-boss, so that the identification degree is improved, and the subsequent maintenance and the operation of the cylinder head dome by an maintainer are facilitated through the boss, so that the metal cover 200 can be operated through a tool;
through ingenious design's boss and inside strengthening rib structure, guaranteed the overall structure intensity of metal lid to the setting of boss also further helps maintenance personnel's operation facility, and the collocation seal formula design wholly improves the protective capability of dome to the cylinder head
Further, the side edge of the rocker arm shutter 300 is provided with a shutter bolt hole 310, and a bent pin stopper 320 extending from the side edge of the rocker arm shutter 300; the baffle bolt holes 310 and the pin limiting plates 320 are integrally connected to the rocker baffle 300; the baffle bolt holes 310 and the pin limiting plates 320 are connected to the rocker baffle 300 in an integrated manner; the inner end surface of the rocker arm baffle 300 is a bearing limit surface 311, and a group of pin limit plates 320 are bent towards the bearing limit surface 311; the baffle bolt holes 310 are assembled with the baffle seat holes 120 in a matching way; the pin limiting plate 320 extends into the rocker arm assembly 400 to perform auxiliary positioning;
in this embodiment, the limiting pin plate 320 extends into the rocker arm assembly 400, and limits the rotation of the rocker arm pin through the raised side stand, so as to realize auxiliary stabilization and protection of the rocker arm assembly 400, and the rocker arm assembly 400 is assembled in the cylinder head 100; the limiting pin plate and the semicircular rocker arm baffle plate realize the protection and stability of the rocker arm assembly, further help to promote the operation of maintenance personnel, and the foolproof design improves the assembly and maintenance efficiency.
Further, the rocker arm assembly 400 includes an exhaust rocker arm 410, an intake rocker arm 420, a rocker arm bearing 440, a dotting stud 450, and a rocker arm cam 480; the front ends of the exhaust rocker arm 410 and the intake rocker arm 420 are respectively assembled in a rocker arm bearing 440, and the rocker arm bearing 400 is abutted with a cam of a rocker arm cam 480; the rocker cam 480 is rotatably installed in the cylinder head 100 and driven by an external sprocket; the exhaust rocker arm 410 and the intake rocker arm 420 are provided with pin holes 430, and rocker pins 470 are matched and assembled in the pin holes 430; the pin limiting plate 320 extends into the rocker pin 470 to assist in positioning;
in this embodiment, the suspension arms of the exhaust rocker arm 410 and the intake rocker arm 420 are provided with dotting studs 450; the dotting stud 450 adjusts the installation position of the dotting stud 450 through an adjusting nut 460; the rocker arm baffle 300 is designed according to the specific positions of the cylinder head chain cavity, the rocker arm cam 480 and the rocker arm pin 470, protects and assists the rocker arm cam 480, plays a role of limiting the rocker arm pin 470, and can further improve the overall operation stability of the rocker arm assembly 400; the adjustable adjusting nut 460 is matched with the dotting stud 450, so that the exhaust rocker arm 410 and the intake rocker arm 420 in the rocker arm assembly 400 can have enough travel space to realize the opening and closing of corresponding valves in the moving process, and the adjustable design can enable the rocker arm assembly 400 to use the internal sizes of various cylinder heads, thereby enhancing the compatibility and the stability of the cylinder heads; the rocker arm pin is matched with the rocker arm shaft for transmission, and through the matching of adjustable dotting bolts, the adaptation of cylinder heads with multiple types can be realized, the coverage of the adaptation range of a rocker arm assembly is increased, the later maintenance cost of the same product is reduced, and the high efficiency and the stability of operation are ensured by combining with excellent structural design.
Further, the air inlet pipe 500 includes an air inlet elbow 520 and a pipe seat 510; the front end of the air inlet elbow 520 is provided with a connecting thread 521, the lower end of the air inlet elbow 520 is fixedly connected to the upper end surface of the pipe body seat 510, the air inlet elbow 520 penetrates through the pipe body seat 510, and the outer pipe wall of the air inlet elbow 520 and the pipe body seat 510 are integrally formed to form an integral air inlet pipe 500; a pipe orifice sealing groove 530 is formed in the pipe body seat 510; the air inlet pipe 500 is assembled on the cylinder head 100 through the pipe body seat 510; the pipe orifice sealing groove 530 is arranged on the outer ring of the end pipe orifice of the air inlet elbow 520, and the end pipe orifice is arranged on the lower end face of the pipe body seat 510; the pipe body seat 510 is provided with a plurality of auxiliary screw holes 511, and the auxiliary screw holes 511 penetrate through the upper end face and the lower end face of the pipe body seat 510;
in this embodiment, the inner cavity of the installed air inlet elbow 520 directly penetrates into the cylinder head 100, and by arranging the pipe orifice sealing groove 530, sealing treatment can be preferably performed through a corresponding sealing rubber ring, so that the tightness is enhanced, and the reliability and stability of the overall operation are ensured; the auxiliary screw holes 511 can effectively strengthen the pipe body seat 510, strengthen the whole stable structure and improve the operability; the front end of the air inlet elbow 520 has a certain bending angle, so that the front end connecting screw 521 is convenient to connect and assemble with an external device; the engine assembly with a certain bending angle can adapt to the corresponding model, and the pipe distance is reduced and the overall air inlet efficiency is improved through the inclined direction; the distance of ventilation is reduced through the inclined air inlet bent pipe, so that the rapid and efficient inflow of the oil-gas mixture is ensured, and the oil-gas mixture is prevented from directly impacting the pipe wall by adopting the structure; and through corresponding sealing treatment, the running stability and high efficiency are ensured.
Further, an air inlet seat hole 160 is formed on one side of the cylinder head 100, and an air outlet hole 190 is formed on the other side;
further, a connecting post hole 170 for connecting with an external assembly is provided in the cylinder head 100;
in the specific implementation process, the cylinder head 100 has a compact whole structure, and the round cover seat 110 is arranged at the front part, and the round cover seat 110 is assembled and connected with the metal cover body 200 to play a role in protecting the inner cavity; the rocker arm assembly 400 in the engine oil chamber is positioned and installed through the cam hole 140 and the positioning pin hole 150, and the baffle plate seat hole 120 additionally arranged on the cylinder head 100 is provided with the rocker arm baffle plate 300 at the front section of the rocker arm assembly, so that the installation and the positioning of the rocker arm assembly are assisted; the rocker cam 480 in the rocker arm assembly 400 is driven by external force, and after the cam rotates, the rocker arm bearing 440 is further pushed by the bulge, so that the rocker arm swings up and down in a certain range, and the combined swing of the rocker arm drives the valve to open and close; opening and closing of the valve in the cylinder head depends on the shape angle and the rotation speed of the rocker cam 480; the mounting relationship between the cylinder head 100 and the intake pipe 500 is further stabilized by the intake seat hole 160; the gas-oil mixture is collected and conveyed through the cylinder head of the gas inlet pipe 500, enters the combustion chamber, is ignited to do work by a spark device arranged at the spark plug hole 180, and is discharged through the gas outlet hole 190; the rocker arm assembly 400 controls the running beats of the intake valve and the exhaust valve, so that high-efficiency ventilation and exhaust are realized; the whole external radiating fins are distributed at equal intervals, and enough cold and hot air exchange channels are reserved;
by adopting the utility model, the whole structure is compact, the cylinder head assembly is compact in whole structure, and the work is efficient; the cylinder head combines auxiliary hole sites through coaxial hole site design, so that effective installation and positioning of a rocker arm assembly are ensured, and quick assembly and maintenance are realized; the rocker arm baffle is matched to realize the protection structure strength, and the auxiliary positioning of installation is further carried out; the abundant external hole site designs, further strengthen the overall practicability of the device, facilitate assembly and replacement of external fittings; and the symmetrical air inlet and outlet pipelines are matched with the radiating fins to realize the efficient and rapid radiating target.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The novel motorcycle air-cooled cylinder head assembly is characterized by comprising a cylinder head (100), a metal cover body (200), a rocker arm baffle plate (300), a rocker arm assembly (400) and an air inlet pipe (500);
the front side of the cylinder head (100) is provided with a round cover seat (110) for installing a metal cover body (200), the inner side of the round cover seat (110) is provided with a transmission chain cavity (130), the cavity wall of the transmission chain cavity (130) is provided with a baffle seat hole (120) for auxiliary installation of a rocker baffle (300); the inner side of the transmission chain cavity (130) is provided with an engine oil chamber, a combustion chamber is arranged in the cylinder head (100), the combustion chamber is positioned below the engine oil chamber, and a rocker arm assembly (400) is assembled in the engine oil chamber; cam holes (140) are formed in the front side wall and the rear side wall of the engine oil chamber, and positioning pin holes (150) are formed in the rear wall; for auxiliary mounting of a rocker arm assembly (400); one side of the cylinder head (100) is connected with an air inlet pipe (500) through an air inlet seat hole (160); and a plurality of radiating fins (101) are arranged on the outer wall of the cylinder head (100).
2. A new motorcycle air-cooled cylinder head assembly as claimed in claim 1, characterized in that one side of the cylinder head (100) is provided with an air inlet seat hole (160) and the other end is provided with an air outlet hole (190); a connecting column hole (170) for connecting with the outside is also arranged in the cylinder head (100).
3. A new motorcycle air-cooled cylinder head assembly as claimed in claim 1, characterized in that one side of the metal cover body (200) is provided with a laminar boss (210), and the other side is concave and provided with a reinforced inner rib (240); a sealing ring groove (230) is formed in the mounting end face of the metal cover body (200); and the metal cover (200) is provided with a cover mounting hole (220); the bottom edges of the cover body mounting holes (220) are flush with the inner bottom edge of the metal cover body (200), and the cover body mounting holes (220) are assembled and mounted with the round cover seat (110).
4. A new motorcycle air-cooled cylinder head assembly as claimed in claim 1, characterized in that the side edges of the rocker arm baffles (300) are provided with baffle bolt holes (310), and a bent pin restrictor plate (320) extending from the side edges of the rocker arm baffles (300); the baffle bolt holes (310) and the pin limiting plates (320) are integrally connected to the rocker baffle (300); the baffle bolt holes (310) and the pin limiting plates (320) are integrally connected to the rocker baffle (300); the inner end surface of the rocker arm baffle plate (300) is a bearing limit surface (311), and a group of pin limit plates (320) are bent towards the bearing limit surface (311); the baffle bolt holes (310) are matched and assembled with the baffle seat holes (120); the pin limiting plate (320) stretches into the rocker arm assembly (400) to assist in positioning.
5. A new motorcycle air cooled cylinder head assembly as claimed in claim 4, wherein the rocker arm assembly (400) comprises an exhaust rocker arm (410), an intake rocker arm (420), a rocker arm bearing (440), a dotting stud (450) and a rocker arm cam (480); the front ends of the exhaust rocker arm (410) and the air inlet rocker arm (420) are respectively assembled in a rocker arm bearing (440), and the rocker arm bearing (400) is abutted with a cam of a rocker arm cam (480); the rocker cam (480) is rotatably mounted in the cylinder head (100) and is driven by an external sprocket.
6. The novel motorcycle air-cooled cylinder head assembly according to claim 5, wherein the exhaust rocker arm (410) and the intake rocker arm (420) are provided with pin holes (430), and rocker arm pins (470) are matched and assembled in the pin holes (430); the pin limiting plate (320) extends into the rocker pin (470) to assist in positioning the rocker pin.
7. A new motorcycle air-cooled cylinder head assembly, according to claim 1, characterized in that said air intake duct (500) comprises an air intake elbow (520) and a duct body seat (510); the front end of the air inlet elbow pipe (520) is provided with a connecting thread (521), the lower end of the air inlet elbow pipe is fixedly connected to the upper end surface of the pipe body seat (510), the air inlet elbow pipe (520) penetrates through the pipe body seat (510), and the outer pipe wall of the air inlet elbow pipe (520) and the pipe body seat (510) are integrally formed to form an integral air inlet pipe (500); a pipe orifice sealing groove (530) is formed in the pipe body seat (510); the air inlet pipe (500) is assembled on the cylinder head (100) through a pipe body seat (510); the pipe orifice sealing groove (530) is formed in the outer ring of the tail end pipe orifice of the air inlet elbow pipe (520), and the tail end pipe orifice is formed in the lower end face of the pipe body seat (510).
8. The novel motorcycle air-cooled cylinder head assembly of claim 7, wherein the tube body seat (510) is provided with a plurality of auxiliary screw holes (511), and the auxiliary screw holes (511) penetrate through the upper end face and the lower end face of the tube body seat (510).
9. A new motorcycle air-cooled cylinder head assembly as claimed in claim 1, characterized in that the cylinder head (100) is provided with an air inlet seat hole (160) at one side and an air outlet hole (190) at the other side.
10. A new motorcycle air-cooled cylinder head assembly as claimed in claim 1, characterized in that said cylinder head (100) is also provided with a connecting stud hole (170) for connection with an external fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221119162.3U CN219197485U (en) | 2022-05-10 | 2022-05-10 | Novel motorcycle air-cooled cylinder head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221119162.3U CN219197485U (en) | 2022-05-10 | 2022-05-10 | Novel motorcycle air-cooled cylinder head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219197485U true CN219197485U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221119162.3U Active CN219197485U (en) | 2022-05-10 | 2022-05-10 | Novel motorcycle air-cooled cylinder head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219197485U (en) |
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2022
- 2022-05-10 CN CN202221119162.3U patent/CN219197485U/en active Active
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