CN218266117U - Water-cooling cylinder head of motorcycle engine - Google Patents
Water-cooling cylinder head of motorcycle engine Download PDFInfo
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- CN218266117U CN218266117U CN202223023387.1U CN202223023387U CN218266117U CN 218266117 U CN218266117 U CN 218266117U CN 202223023387 U CN202223023387 U CN 202223023387U CN 218266117 U CN218266117 U CN 218266117U
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- cylinder head
- cooling water
- camshaft
- motorcycle engine
- mounting hole
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Abstract
The utility model belongs to the technical field of motorcycle engine, a water-cooling cylinder head of motorcycle engine is related to, be provided with combustion chamber, spark plug and a pair of control valve's valve rocker arm on the cylinder head, valve rocker arm is by the cam drive that corresponds separately, the cam assembly is on the camshaft, the overhead coaxial a pair of camshaft mounting hole and a cooling water pump mounting hole that is provided with of cylinder, the camshaft rotates and sets up in the camshaft mounting hole, cooling water pump assembles on the cooling water pump mounting hole, cooling water pump's impeller shaft is connected with camshaft drive and is rotated by camshaft drive. The utility model provides a water-cooling cylinder head of motorcycle engine has compact structure, and cooling performance is high, advantage that stability is good.
Description
Technical Field
The utility model belongs to the technical field of motorcycle engine, a water-cooling cylinder head of motorcycle engine is related to.
Background
In order to avoid overheating of the motorcycle engine, a cooling structure needs to be provided on the motorcycle engine. The cooling structure of the motorcycle engine can use an air cooling device and also can use a water cooling device. In order to obtain a better cooling effect, the water cooling device becomes a common choice for middle-high motorcycles, but the existing water cooling device generally needs to be additionally provided with a set of system, and the structure is complex and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a water-cooling cylinder head of motorcycle engine, have compact structure, cooling performance is high, advantage that stability is good.
In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:
a combustion chamber, a spark plug and a pair of valve rocker arms for controlling valves are arranged on the cylinder head, the valve rocker arms are driven by respective corresponding cams, the cams are assembled on a camshaft, a pair of camshaft mounting holes and a cooling water pump mounting hole are coaxially arranged on the cylinder head, the camshaft is rotatably arranged in the camshaft mounting hole, the cooling water pump is assembled on the cooling water pump mounting hole, and an impeller shaft of the cooling water pump is in transmission connection with the camshaft and is driven by the camshaft to rotate.
In the above water-cooled cylinder head for a motorcycle engine, a cooling water channel is arranged in the cylinder head around the combustion chamber, a plurality of cooling water inlets communicated with the cooling water channel are arranged on the end surface of the cylinder head where the combustion chamber is located, a cooling water outlet communicated with the cooling water channel is arranged on one side of the cylinder head, the cooling water inlets are circumferentially arranged, and the cooling water outlet is connected with a water outlet joint.
In the water-cooling cylinder head of the motorcycle engine, the camshaft is sleeved with the driving gear, the camshaft is in transmission connection with the driving motor through the driving gear, and the driving gear is arranged between the cooling water pump mounting hole and the adjacent camshaft mounting hole.
In the above water-cooled cylinder head of the motorcycle engine, the matching surface of the cylinder head and the cylinder cover is an inclined plane.
In the above water-cooled cylinder head of a motorcycle engine, a pair of rocker arm mounting holes are respectively provided at two sides of the camshaft mounting hole, a valve rocker arm shaft is provided in each pair of rocker arm mounting holes, and the valve rocker arms are rotatably provided on the respective corresponding valve rocker arm shafts.
In the above water-cooled cylinder head of a motorcycle engine, a first mounting seat and a second mounting seat are arranged in the cylinder head, preferably, the first mounting seat and the first mounting seat are arranged oppositely and in parallel, two camshaft mounting holes are respectively arranged on the first mounting seat and the second mounting seat, preferably, bearings are respectively arranged in the camshaft mounting holes, and the camshafts are rotatably arranged in the bearings; each pair of rocker arm mounting holes are respectively arranged on the first mounting seat and the second mounting seat; the cooling water pump mounting hole is formed in the side wall of the cylinder head.
In the water-cooling cylinder head of the motorcycle engine, the cylinder head is provided with a temperature sensor and an oxygen sensor, the temperature sensor is arranged on one side of the cylinder head close to the combustion chamber, and the oxygen sensor is arranged at an outlet of the exhaust passage. Further, the motorcycle engine is an electronic fuel injection engine.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses improved motorcycle engine's cylinder head structure, installed the camshaft on the cylinder head, simultaneously with cooling water pump lug connection on the mounting hole of cylinder head to utilize camshaft drive cooling water pump work, have compact structure, the transmission is reliable and stable, the effectual advantage of water-cooling.
2. The utility model discloses further optimize the structure of cooling water course, arranged cooling water course at cylinder end inner loop to optimize simultaneously and set up cooling water inlet and cooling water delivery port, thereby obtain better more reliable cooling effect, made engine temperature stable performance.
3. The utility model discloses install required oxygen sensor and the temperature sensor of electricity injection engine on the cylinder head in a concentrated way, have compact structure, it is reliable to detect data, easy dismounting's advantage.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the present invention from another angle;
fig. 3 is an axial cross-sectional view of the present invention;
fig. 4 is a perspective view of the cylinder head of the present invention;
reference numerals: 1. a cylinder head; 2. a combustion chamber; 3. a spark plug; 4. a valve rocker arm; 5. a cam; 6. a camshaft; 7. a camshaft mounting hole; 8. a cooling water pump mounting hole; 9. a cooling water pump; 10. an impeller shaft; 11. a cooling water inlet; 12. a cooling water outlet; 13. a drive gear; 14. a slanted plane; 15. a rocker arm mounting hole; 16. a first mounting seat; 17. a second mounting seat; 18. a temperature sensor; 19. an oxygen sensor.
Detailed Description
The invention will be further described in the following with specific embodiments in conjunction with the accompanying drawings, see fig. 1-4:
a water-cooling cylinder head 1 of a motorcycle engine is provided with a combustion chamber 2, an ignition plug 3 and a pair of valve rocker arms 4 for controlling valves, wherein the valve rocker arms 4 are driven by corresponding cams 5, the cams are assembled on a cam shaft, a pair of cam shaft mounting holes 7 and a cooling water pump mounting hole 8 are coaxially arranged on the cylinder head 1, the cam shaft 6 is rotatably arranged in the cam shaft mounting hole 7, the cooling water pump 9 is assembled on the water-cooling water pump mounting hole, an impeller shaft 10 of the cooling water pump 9 is in transmission connection with the cam shaft 6 and is driven to rotate by the cam shaft 6, and preferably, the impeller shaft 10 is coaxially arranged with the cam shaft 6 and is fixedly connected with the cam shaft 6 through a pin or a key.
Referring to fig. 3, in operation, the power device drives the camshaft 6 to rotate, and the cam 5 rotates along with the camshaft and drives the valve rocker 4 to operate; the camshaft 6 drives the impeller shaft 10 to rotate at the same time, the impeller shaft 10 drives the impeller to rotate so as to drive the cooling water pump 9 to work, and the cooling water pump 9 drives cooling water to circulate in the cooling water channel so as to cool the cylinder head 1.
Referring to fig. 2, the cooling water channel is arranged in the following manner: the cylinder head 1 is internally provided with a cooling water channel surrounding the combustion chamber 2, the end face of the cylinder head 1 where the combustion chamber 2 is located is provided with a plurality of cooling water inlets 11 communicated with the cooling water channel, one side of the cylinder head 1 is provided with a cooling water outlet 12 communicated with the cooling water channel, further, the cooling water inlets 11 are circumferentially arranged, and further, the cooling water outlet 12 is connected with a water outlet joint. During operation, cooling water is driven by the cooling water pump 9 to enter from the cooling water inlet 11, and returns to the cooling water pump 9 from the cooling water outlet 12 after passing through the cooling water channel to form circulation, and a radiator for cooling water heat exchange is further arranged on the circulation water channel, and the cooling water uses the cooling liquid commonly used by a water-cooled engine.
Referring to the attached drawing 1, a driving gear 13 is sleeved on the cam shaft 6, the cam shaft 6 is in transmission connection with a driving motor through the driving gear 13, and the driving gear 13 is arranged between the cooling water pump mounting hole 8 and the adjacent cam shaft mounting hole 7.
Referring to fig. 1, the fitting surface of the cylinder head 1 and the cylinder head is set as a slant plane 14. By adopting the sealing design of the inclined plane 14, the installation is convenient, and the sealing is more reliable when the inclined plane is matched with a cylinder cover.
The specific mounting structure of the valve rocker arm 4 of the present embodiment is: a pair of rocker arm mounting holes 15 are respectively arranged on two sides of the camshaft mounting hole 7, a valve rocker arm shaft is arranged in each pair of rocker arm mounting holes 15, and the valve rocker arms 4 are rotatably arranged on the corresponding valve rocker arm shafts.
Referring to fig. 4, the specific arrangement structure of each mounting hole in this embodiment is: a first mounting seat 16 and a second mounting seat 17 are arranged in the cylinder head 1, preferably, the first mounting seat 16 and the first mounting seat 16 are arranged oppositely and parallelly, two camshaft mounting holes 7 are respectively arranged on the first mounting seat 16 and the second mounting seat 17, preferably, bearings are respectively assembled in the camshaft mounting holes 7, and the camshaft 6 is rotatably arranged in the bearings; each pair of rocker mounting holes 15 are respectively arranged on a first mounting seat 16 and a second mounting seat 17; the cooling water pump mounting hole 8 is formed in the side wall of the cylinder head 1.
For the use requirement of the electronic fuel injection engine, a temperature sensor 18 and an oxygen sensor 19 are arranged on the cylinder head 1, the temperature sensor 18 is arranged on one side of the cylinder head 1 close to the combustion chamber 2, and the oxygen sensor 19 is arranged at the outlet of the exhaust passage.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. A water-cooling cylinder head of a motorcycle engine is characterized in that a combustion chamber (2), a spark plug (3) and a pair of valve rocker arms (4) for controlling valves are arranged on the cylinder head (1), the valve rocker arms (4) are driven by cams (5) corresponding to the valve rocker arms respectively, the cams (5) are assembled on a cam shaft (6), a pair of cam shaft mounting holes (7) and a cooling water pump mounting hole (8) are coaxially arranged on the cylinder head (1), the cam shaft (6) is rotatably arranged in the cam shaft mounting hole (7), a cooling water pump (9) is assembled on the cooling water pump mounting hole (8), and an impeller shaft (10) of the cooling water pump (9) is in transmission connection with the cam shaft (6) and is driven to rotate by the cam shaft (6).
2. A water-cooled cylinder head for a motorcycle engine according to claim 1, characterized in that a cooling water channel is provided in the cylinder head (1) around the combustion chamber (2), a plurality of cooling water inlets (11) communicating with the cooling water channel are provided on the end surface of the cylinder head (1) where the combustion chamber (2) is located, and a cooling water outlet (12) communicating with the cooling water channel is provided on one side of the cylinder head (1).
3. A water-cooled cylinder head for a motorcycle engine as set forth in claim 1, characterized in that a driving gear (13) is sleeved on said camshaft (6), said camshaft (6) is in transmission connection with a driving motor through the driving gear (13), said driving gear (13) is disposed between the cooling water pump mounting hole (8) and its adjacent camshaft mounting hole (7).
4. A water-cooled cylinder head for a motorcycle engine according to claim 1, characterized in that the mating surfaces of the cylinder head (1) and the cylinder head are provided as inclined planes (14).
5. A water-cooled cylinder head for a motorcycle engine as claimed in claim 1, characterized in that a pair of rocker arm mounting holes (15) are provided on either side of the camshaft mounting hole (7), one valve rocker arm shaft is provided in each pair of rocker arm mounting holes (15), and the valve rocker arms (4) are rotatably provided on the respective valve rocker arm shafts.
6. A water-cooled cylinder head for a motorcycle engine according to claim 5, characterized in that a first mounting seat (16) and a second mounting seat (17) are provided in the cylinder head (1), and two camshaft mounting holes (7) are provided in the first mounting seat (16) and the second mounting seat (17), respectively; each pair of rocker mounting holes (15) are respectively arranged on the first mounting seat (16) and the second mounting seat (17); the cooling water pump mounting hole (8) is formed in the side wall of the cylinder head (1).
7. A water-cooled cylinder head for a motorcycle engine according to claim 1, characterized in that a temperature sensor (18) and an oxygen sensor (19) are provided on the cylinder head (1), the temperature sensor (18) being provided on the side of the cylinder head (1) close to the combustion chamber (2), the oxygen sensor (19) being provided at the outlet of the exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023387.1U CN218266117U (en) | 2022-11-14 | 2022-11-14 | Water-cooling cylinder head of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023387.1U CN218266117U (en) | 2022-11-14 | 2022-11-14 | Water-cooling cylinder head of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266117U true CN218266117U (en) | 2023-01-10 |
Family
ID=84754678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223023387.1U Active CN218266117U (en) | 2022-11-14 | 2022-11-14 | Water-cooling cylinder head of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266117U (en) |
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2022
- 2022-11-14 CN CN202223023387.1U patent/CN218266117U/en active Active
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