CN215566280U - Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle - Google Patents
Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle Download PDFInfo
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- CN215566280U CN215566280U CN202121432669.XU CN202121432669U CN215566280U CN 215566280 U CN215566280 U CN 215566280U CN 202121432669 U CN202121432669 U CN 202121432669U CN 215566280 U CN215566280 U CN 215566280U
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Abstract
The utility model provides a water-cooling channel structure of a four-valve water-cooling engine cylinder cover of a middle and small-displacement motorcycle, belonging to the technical field of engines. It has solved the unreasonable scheduling problem of current cylinder head water-cooling channel structure. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle comprises a cylinder cover cylinder head, wherein a first air passage and a second air passage are arranged on the cylinder cover cylinder head, a conversion air chamber is arranged between the first air passage and the second air passage, a cooling channel used for cooling air in the conversion air chamber is arranged inside the cylinder cover cylinder head, a water inlet structure and a water outlet structure which are communicated with the cooling channel are arranged on the cylinder cover cylinder head, the water outlet structure is arranged on the side part of the cooling channel, and the water inlet structure and the water outlet structure are arranged perpendicularly. The utility model has the advantages of reasonable structure, light weight and good cooling effect.
Description
Technical Field
The utility model belongs to the technical field of engines, and relates to a water-cooling channel structure of a four-valve water-cooling engine cylinder cover of a middle and small-displacement motorcycle.
Background
The water-cooled engine is an engine using water or antifreezing solution using water as main component as cooling medium, and is characterized by that on the inner walls of cylinder and cylinder cover several channels are cast for flowing water through, and outside the engine body a special radiator is set, and the water pump and pipeline are used to make cooling water implement forced circulation, then the cooling fan is used to make air be blown over the surface of radiating fin of radiator at high speed to take away the heat quantity dissipated by engine so as to cool engine.
In order to promote the radiating efficiency, a plurality of cooling pipelines are usually arranged on the cylinder cover of the existing water-cooled engine, so that the stay time of cooling liquid in the cylinder cover is prolonged, the cooling effect is ensured, and the main defects of the cylinder cover are that the structure is more complex and the quality is heavier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a water-cooling channel structure of a four-valve water-cooling engine cylinder cover of a middle and small-displacement motorcycle, which has the advantages of reasonable structure, light weight and good cooling effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water-cooling channel structure of a cylinder cover of a four-valve water-cooling engine of a middle and small displacement motorcycle comprises a cylinder cover cylinder head, wherein a first air passage and a second air passage are arranged on the cylinder cover cylinder head, and a conversion air chamber is arranged between the first air passage and the second air passage.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle and small displacement motorcycle, the cooling channel is distributed around the rotary air exchange chamber in an annular shape, and the water outlet structure is arranged on the upper side of the cooling channel.
In the water-cooling channel structure of the four-valve water-cooling engine cylinder cover of the middle-small displacement motorcycle, the water outlet structure comprises a water outlet pipe orifice and a water outlet pipeline which is connected with the water outlet pipe orifice and the cooling channel.
In the water-cooling channel structure of the cylinder cover of the four-valve water-cooled engine of the middle-small displacement motorcycle, the turning positions of the inner surface of the water outlet pipeline are all arc-shaped surfaces.
In the water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle-small displacement motorcycle, the water inlet structure comprises a water inlet cover arranged on the cylinder head of the cylinder cover, and the center of the water inlet cover is provided with a connecting port communicated with the inside of the cooling channel and a plurality of water inlets communicated with the inside of the cooling channel.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle-small displacement motorcycle, the water inlet cover is perpendicular to the axial sections of the first air passage and the second air passage.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle-small displacement motorcycle, the water inlets are uniformly distributed on the outer side of the connecting port.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle and small displacement motorcycle, each water inlet is arranged in a strip shape and is provided with a bent arc.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle-small displacement motorcycle, the water inlet cover is provided with a positioning structure which is used for matching the water inlet cover with the external shell.
In the water-cooling channel structure of the four-valve water-cooled engine cylinder cover of the middle-small displacement motorcycle, the positioning structure comprises a positioning plate arranged on the side part of the water inlet cover, and a positioning lug and a positioning groove are arranged on the positioning plate.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the conversion air chamber is arranged between the first air passage and the second air passage, the cooling channel for cooling the gas in the conversion air chamber is arranged in the cylinder head of the cylinder cover, the water outlet structure is arranged at the side part of the cooling channel, the water inlet structure and the water outlet structure are vertically arranged, cooling water is directly injected into the cooling channel through the water inlet structure, heat exchange is carried out at the conversion air chamber, and the cooling liquid has a larger contact area with the conversion air chamber, so that the cooling effect is improved.
2. Compared with the traditional water-cooling channel structure, the annular design ensures that the whole volume of the cylinder cover is smaller and the weight is lighter.
3. The water inlet cover is provided with the positioning structure which is used for matching the water inlet cover and the external shell, and the assembly efficiency of the water inlet cover and the external shell when being connected is improved through the positioning structure.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a plan view of the cylinder head according to the present invention.
Fig. 3 is a cross-sectional view a-a in fig. 2.
In the figure, 1, a cylinder head; 2. a first air passage; 3. a second air passage; 4. converting the air chamber; 5. a cooling channel; 6. a water inlet structure; 7. a water outlet structure; 8. a water outlet pipe orifice; 9. a water outlet pipeline; 10. a water inlet cover; 11. a connecting port; 12. a water inlet; 13. a positioning structure; 14. positioning a plate; 15. a positioning groove; 16. and positioning the projection.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a water-cooling channel structure of a cylinder head of a four-valve water-cooling engine of a middle and small displacement motorcycle comprises a cylinder head 1, wherein a first air passage 2 and a second air passage 3 are arranged on the cylinder head 1, a conversion air chamber 4 is arranged between the first air passage 2 and the second air passage 3, a cooling channel 5 for cooling air in the conversion air chamber 4 is arranged inside the cylinder head 1, a water inlet structure 6 and a water outlet structure 7 which are communicated with the cooling channel 5 are arranged on the cylinder head 1, the water outlet structure 7 is arranged on the side of the cooling channel 5, and the water inlet structure 6 and the water outlet structure 7 are arranged vertically.
In this embodiment, the first air passage 2 and the second air passage 3 exchange air in the switching air chamber 4, the cooling air enters the cooling channel 5 through the water inlet structure 6, and then exchanges heat with the switching air chamber 4 through the cooling channel 5, so as to achieve a purpose of rapid heat dissipation.
In this embodiment, in order to improve the heat dissipation efficiency, the cooling channel 5 is distributed around the air exchange chamber 4 in an annular shape, the water outlet structure 7 is arranged on the upper side of the cooling channel 5, specifically, the water outlet structure 7 comprises a water outlet pipe 8 and a water outlet pipeline 9 for connecting the water outlet pipe 8 with the cooling channel 5, specifically, the turning part of the inner surface of the water outlet pipeline 9 is an arc-shaped surface, and through the arc-shaped surface, the cooling liquid can uniformly flow, and the friction impact is reduced.
In this embodiment, the water inlet structure 6 includes a water inlet cover 10 disposed on the cylinder head 1 of the cylinder head, a connection port 11 communicating with the inside of the cooling channel 5 and a plurality of water inlets 12 communicating with the inside of the cooling channel 5 are disposed at the center of the water inlet cover 10, and specifically, in order to improve the water inlet efficiency, the water inlet cover 10 is disposed perpendicular to the axial cross-sections of the first air passage 2 and the second air passage 3, so as to reduce the water inlet time.
In this embodiment, in order to make the intaking more even, a plurality of water inlets 12 evenly distributed in the outside of connector 11, every water inlet 12 is the strip setting, and every water inlet 12 has the arc of buckling.
Specifically, in order to facilitate the installation of the water inlet cover 10 and the external housing, the water inlet cover 10 is provided with a positioning structure 13 adapted to the water inlet cover 10 and the external housing, preferably, the positioning structure 13 includes a positioning plate 14 disposed on a side of the water inlet cover 10, and the positioning plate 14 is provided with a positioning protrusion and a positioning groove 15.
The working principle of the utility model is as follows: be equipped with conversion air chamber 4 between first air flue 2 and the second air flue 3, 1 inside gas cooling's cooling channel 5 that is used for converting air chamber 4 that is provided with of cylinder head, go out water structure 7 and set up in cooling channel 5's lateral part, it sets up with play water structure 7 mutually perpendicular to intake structure 6, directly pour into the cooling water into to cooling channel 5 through structure 6 of intaking, the exchange of heat is carried out in conversion air chamber 4 department, great area of contact has between coolant liquid and the conversion air chamber 4, with this promotion cooling effect.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms cylinder head 1, first air passage 2, second air passage 3, conversion air chamber 4, cooling channel 5, water inlet structure 6, water outlet structure 7, water outlet pipe 8, water outlet pipeline 9, water inlet cover 10, connecting port 11, water inlet 12, positioning structure 13, positioning plate 14, positioning groove 15, positioning bump 16, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The water cooling channel structure of the cylinder cover of the four-valve water-cooled engine of the middle and small displacement motorcycle comprises a cylinder cover cylinder head (1), wherein a first air passage (2) and a second air passage (3) are arranged on the cylinder cover cylinder head (1), and a conversion air chamber (4) is arranged between the first air passage (2) and the second air passage (3), and is characterized in that a cooling channel (5) used for converting air cooling in the air chamber (4) is arranged inside the cylinder cover cylinder head (1), a water inlet structure (6) and a water outlet structure (7) communicated with the cooling channel (5) are arranged on the cylinder cover cylinder head (1), the water outlet structure (7) is arranged on the side part of the cooling channel (5), and the water inlet structure (6) and the water outlet structure (7) are arranged vertically.
2. The water-cooling channel structure of the cylinder head of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 1, wherein the cooling channel (5) is distributed around the transfer chamber (4) in an annular shape, and the water outlet structure (7) is arranged on the upper side of the cooling channel (5).
3. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 2, wherein the water outlet structure (7) comprises a water outlet pipe nozzle (8) and a water outlet pipeline (9) connecting the water outlet pipe nozzle (8) and the cooling channel (5).
4. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 3, wherein the turning points of the inner surface of the water outlet pipeline (9) are all arc surfaces.
5. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 4, wherein the water inlet structure (6) comprises a water inlet cover (10) arranged on the cylinder head (1), and a connecting port (11) communicated with the inside of the cooling channel (5) and a plurality of water inlets (12) communicated with the inside of the cooling channel (5) are arranged at the center of the water inlet cover (10).
6. The water-cooling channel structure of the cylinder cover of the four-valve water-cooled engine of the middle and small displacement motorcycle as claimed in claim 5, wherein the water inlet cover (10) is perpendicular to the axial cross sections of the first air passage (2) and the second air passage (3).
7. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 6, wherein the water inlets (12) are uniformly distributed on the outer side of the connecting port (11).
8. The water-cooling channel structure of the cylinder head of the four-valve water-cooled engine of the middle and small displacement motorcycle as claimed in claim 7, wherein each water inlet (12) is arranged in a strip shape, and each water inlet (12) has a bent arc shape.
9. The water-cooling channel structure of the cylinder cover of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 8, wherein the water inlet cover (10) is provided with a positioning structure (13) for the water inlet cover (10) to be matched with an external shell.
10. The water-cooling channel structure of the cylinder head of the four-valve water-cooling engine of the middle and small displacement motorcycle as claimed in claim 9, wherein the positioning structure (13) comprises a positioning plate (14) arranged at the side of the water inlet cover (10), and a positioning lug (16) and a positioning groove (15) are arranged on the positioning plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432669.XU CN215566280U (en) | 2021-06-25 | 2021-06-25 | Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432669.XU CN215566280U (en) | 2021-06-25 | 2021-06-25 | Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566280U true CN215566280U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121432669.XU Active CN215566280U (en) | 2021-06-25 | 2021-06-25 | Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566280U (en) |
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2021
- 2021-06-25 CN CN202121432669.XU patent/CN215566280U/en active Active
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