CN214836672U - Cooling device, engine and motorcycle - Google Patents
Cooling device, engine and motorcycle Download PDFInfo
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- CN214836672U CN214836672U CN202120590719.0U CN202120590719U CN214836672U CN 214836672 U CN214836672 U CN 214836672U CN 202120590719 U CN202120590719 U CN 202120590719U CN 214836672 U CN214836672 U CN 214836672U
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Abstract
The utility model discloses a cooling device and motorcycle, wherein cooling device includes: the fan cover is connected with the outer side of the engine, an air inlet is formed in the outer side of the fan cover, and a bypass port is formed in the periphery of the fan cover; the impeller is driven by the engine and is positioned in the fan cover; the air guide cover is connected with the fan cover, a cooling air channel is formed inside the air guide cover, one end of the cooling air channel is communicated with the bypass port, and the other end of the cooling air channel is connected to the cylinder head of the engine; the lower end of the inner side of the fan cover is provided with a raised guide table at a bypass port along the air inlet direction, and the inner side surface of the air guide cover connected with the raised guide table is lower than the upper end surface of the raised guide table. The impeller rotates, air is sucked from the air inlet of the fan cover, partial air outlet is output from the bypass port and blown to the cylinder head of the engine through the cooling air duct of the air guide cover to assist cooling, and the protruding guide table positioned at the edge of the bypass port prevents the partial air outlet from flowing back, so that the cooling effect is improved.
Description
Technical Field
The utility model relates to a motorcycle technical field, in particular to cooling device, engine and motorcycle that have this cooling device.
Background
A two-wheeled motor vehicle such as a motorcycle generally has a fuel-powered engine, and in order to cool the engine, a fan is provided outside the engine, and the fan is connected to an air guide cover extending to a cylinder head, and the air guide cover guides the outlet air of the fan to a heat sink of the cylinder head. However, the connection between the fan cover and the wind guide cover of the existing fan has the phenomenon of air outlet backflow, which affects the cooling effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cooling device can effectively reduce the backward flow of air-out, promotes the cooling effect.
The utility model discloses provide the engine that has above-mentioned cooling device simultaneously.
The utility model discloses still provide the motorcycle that has above-mentioned engine.
According to the utility model discloses cooling device of first aspect embodiment includes: the fan cover is connected with the outer side of the engine, an air inlet is formed in the outer side of the fan cover, and a bypass port is formed in the periphery of the fan cover; an impeller driven by the engine and located inside the fan guard; the air guide cover is connected to the fan cover, a cooling air channel is formed inside the air guide cover, one end of the cooling air channel is communicated with the bypass port, and the other end of the cooling air channel is connected to the cylinder head of the engine; the fan cover is characterized in that a protruding guide table is arranged at the position, along the air inlet direction, of the lower end of the inner side of the fan cover at the bypass opening, and the inner side face, connected with the protruding guide table, of the air guide cover is lower than the upper end face of the protruding guide table.
According to the utility model discloses cooling device of transmission case has following beneficial effect at least: the impeller rotates, air is sucked from the air inlet of the fan cover, partial air outlet is output from the bypass port and blown to the cylinder head of the engine through the cooling air duct of the air guide cover to assist cooling, and the protruding guide table positioned at the edge of the bypass port prevents the partial air outlet from flowing back, so that the cooling effect is improved.
According to the utility model discloses some embodiments of the first aspect, protruding lead the up end of platform with fan guard medial surface rounding off meets and is equipped with gradually the lifting section along the air inlet direction.
According to some embodiments of the first aspect of the present invention, the protrusion guide table and the fan guard are provided with a hollow hole therebetween.
According to some embodiments of the first aspect of the present disclosure, the inner wall of the fan guard is provided with an annular groove surrounding the air inlet, the impeller is provided with an annular tongue plate, and at least a portion of the annular tongue plate is inserted into the annular groove.
According to some embodiments of the first aspect of the present invention, the fan guard is provided with an annular plate surrounding the air inlet, an outer end of the annular plate being bent inward to form the ring groove.
According to some embodiments of the first aspect of the present invention, the inner wall of the wind scooper is provided with a wind guide surface, the wind scooper includes an upper cover and a lower cover, the upper cover and the lower cover combining surface are a plane a, and the plane a intersects with the wind guide surface to form a curve L3.
According to some embodiments of the first aspect of the present invention, the plane a intersects the fan guard to form a curve L1, the curve L1 tangentially joins with the curve L3.
According to some embodiments of the first aspect of the present invention, the cylinder head has a spark plug, the cylinder head is provided with a plane B perpendicular to the spark plug and coplanar with a plug cap mounting surface of the spark plug, the intersection of the plane a with the plane B results in a curve L2, the curve L2 is tangentially joined with a curve L3.
According to some embodiments of the first aspect of the present invention, the cylinder head has a spark plug mounting surface arranged along a tangent of the air guide surface.
According to the utility model discloses engine of aspect two embodiment, including like the aspect embodiment cooling device, cooling device's fan guard's inboard lower extreme is provided with protruding guide table in the bypass opening department along the air inlet direction, the medial surface that air guide cover and protruding guide table meet is less than protruding guide table's up end, utilizes the protruding guide table that is located the bypass opening edge to prevent this part air-out backward flow, helps promoting the cooling effect.
According to the third aspect of the invention, the motorcycle comprises the engine as described in the second aspect of the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of a cooling device according to some embodiments of the first aspect of the present invention;
fig. 2 is a cross-sectional view of a cooling device according to some embodiments of the first aspect of the present invention;
fig. 3 is a schematic view of an application state of a cooling device according to some embodiments of the first aspect of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or state relationship referred to in the orientation description, such as the directions of up, down, front, back, left, right, etc., is the orientation or state relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
With reference to fig. 1 to 3, some embodiments of the first aspect of the present invention provide a cooling device for an engine, the cooling device including: the fan cover 100 is connected with the outer side of the engine, an air inlet 101 is formed in the outer side of the fan cover 100, and a bypass port 102 is formed in the periphery of the fan cover 100; an impeller 200 driven by the engine and located inside the fan guard 100; the air guide cover 300 is connected to the fan cover 100, a cooling air channel is formed inside the air guide cover 300, one end of the cooling air channel is communicated with the bypass port 102, and the other end of the cooling air channel is connected to a cylinder head 400 of the engine; a protruding guide table 110 is arranged at a bypass port 102 in the air inlet direction at the lower end of the inner side of the fan cover 100, and the inner side face, connected with the protruding guide table 110, of the air guide cover 300 is lower than the upper end face of the protruding guide table 110. The engine drives the impeller 200 to rotate, air is sucked from the air inlet 101 of the fan cover 100, at least a part of air is output from the bypass port 102 and blown to the cylinder head 400 of the engine through the cooling air duct of the air guide cover 300, a plurality of radiating fins are arranged on the surface of the cylinder head 400, the air is blown through the radiating fins to help cooling, and the raised guide table 110 positioned at the bypass port 102 prevents the air from flowing back, so that the radiating effect is improved.
Referring to fig. 1, according to the utility model discloses some embodiments of the first aspect, the protruding up end of leading platform 110 meets and is equipped with the gradual lifting section along the air inlet direction with fan guard 100 medial surface rounding off for the protruding up end of leading platform 110 is higher, and the protruding side of leading platform 110 towards impeller 200 is the arcwall face, presses close to impeller 200 more, is favorable to blockking the return air, and protruding rotatory impeller 200 of leading platform 110 cooperation moreover can improve the flow velocity of air-out, promotes the cooling effect.
Referring to fig. 1, according to some embodiments of the first aspect of the present invention, a hollow hole is provided between the protruding guide table 110 and the fan guard 100, which helps to reduce the weight of the fan guard 100, reduce the cost, and improve the structural strength.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the inner wall of the fan guard 100 is provided with the ring groove 103, the ring groove 103 surrounds the air inlet 101, the impeller 200 is provided with the annular tongue plate 210, at least a portion of the annular tongue plate 210 is inserted into the ring groove 103, and the annular tongue plate 210 and the ring groove 103 cooperate to form a labyrinth structure, so as to effectively prevent the air sucked from the air inlet 101 from leaking away, improve the air outlet volume, and facilitate cooling.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the fan guard 100 is provided with an annular plate 120 surrounding the air inlet 101, the outer end of the annular plate 120 is bent inward to form the ring groove 103, and an inward curved surface is formed at the bent portion, like a funnel, to facilitate air suction.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the fan guard 100 is provided with a blocking net 130, the blocking net 130 is located at the air inlet 101 and is connected to the annular plate 120, and the blocking net 130 is used to prevent debris such as leaves from being sucked, and avoid the impeller 200 from being worn or jammed.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the inner wall of the wind scooper 300 is provided with a wind guiding surface, the wind guiding surface is a part of the side wall of the cooling air duct, the wind scooper 300 includes an upper cover and a lower cover, the combining surface of the upper cover and the lower cover is a plane a, the plane a intersects with the wind guiding surface to form a curve L3, and the curve L3 is smooth in transition and reduces the wind resistance.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the intersection of plane a and fan guard 100 forms curve L1, curve L1 is located at the entrance of the cooling air duct, and fan guard 100 is tangentially engaged with curve L1 and curve L3, which helps to reduce wind resistance, so that the flow of wind is smoother.
Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the cylinder head 400 has a spark plug 410, the cylinder head 400 is provided with a spark plug mounting groove 411 and a plane B, the plane B is perpendicular to the spark plug 410 and coplanar with a plug cap mounting surface of the spark plug 410, the intersection of the plane a and the plane B results in a curve L2, and the curve L2 is in tangential engagement with the curve L3, which helps to reduce wind resistance, so that the amount of wind blowing to the periphery of the spark plug 410 is large, the flow speed is high, and the temperature of the spark plug 410 is reduced.
According to the utility model discloses the engine of second aspect embodiment includes the cooling device of first aspect embodiment, and cooling device has at least partly wind to export from by-pass port 102 in the work, blows to the cylinder head 400 of engine through the cooling duct of wind scooper 300, and the protruding guide table 110 that is located by-pass port 102 prevents this part air-out backward flow, helps promoting the radiating effect.
According to the utility model discloses motorcycle of third aspect embodiment, including the engine of second aspect embodiment, the engine possesses the radiating effect of preferred, and the operation is more stable.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of the ordinary skilled person in the art, and all fall into the protection scope of the present invention.
Claims (10)
1. A cooling device, comprising:
the fan cover is connected with the outer side of the engine, an air inlet is formed in the outer side of the fan cover, and a bypass port is formed in the periphery of the fan cover;
an impeller driven by the engine and located inside the fan guard;
the air guide cover is connected to the fan cover, a cooling air channel is formed inside the air guide cover, one end of the cooling air channel is communicated with the bypass port, and the other end of the cooling air channel is connected to the cylinder head of the engine;
the fan cover is characterized in that a protruding guide table is arranged at the position, along the air inlet direction, of the lower end of the inner side of the fan cover at the bypass opening, and the inner side face, connected with the protruding guide table, of the air guide cover is lower than the upper end face of the protruding guide table.
2. The cooling device according to claim 1, wherein the upper end surface of the protruding guide platform is smoothly transited and connected with the inner side surface of the fan guard and is provided with a gradually rising section along the air inlet direction.
3. The cooling device of claim 1, wherein a hollowed out hole is provided between the raised guide platform and the fan guard.
4. The cooling device as claimed in claim 1, wherein the inner wall of the fan guard is provided with an annular groove surrounding the air inlet, and the impeller is provided with an annular flap, at least part of which is inserted into the annular groove.
5. The cooling device as set forth in claim 4 wherein the fan guard is provided with an annular plate surrounding the air inlet, the outer end of the annular plate being bent inwardly to form the annular groove.
6. The cooling device as claimed in claim 1, wherein the inner wall of the wind scooper is provided with a wind guide surface, the wind scooper comprises an upper cover and a lower cover, a joint surface of the upper cover and the lower cover is a plane a, and a curve L3 is formed by the intersection of the plane a and the wind guide surface.
7. The cooling device of claim 6, wherein the plane A intersects the fan guard to form a curve L1, and wherein the curve L1 tangentially joins the curve L3.
8. The cooling arrangement as claimed in claim 6 or 7, wherein the head has a spark plug, the head being provided with a plane B perpendicular to the spark plug and coplanar with a plug cap mounting face of the spark plug, the intersection of plane A with plane B resulting in a curve L2, the curve L2 being in tangential engagement with a curve L3.
9. An engine, characterized in that it comprises a cooling device according to any one of claims 1 to 8.
10. A motorcycle, characterized by comprising an engine according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590719.0U CN214836672U (en) | 2021-03-23 | 2021-03-23 | Cooling device, engine and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590719.0U CN214836672U (en) | 2021-03-23 | 2021-03-23 | Cooling device, engine and motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836672U true CN214836672U (en) | 2021-11-23 |
Family
ID=78759450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120590719.0U Active CN214836672U (en) | 2021-03-23 | 2021-03-23 | Cooling device, engine and motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836672U (en) |
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2021
- 2021-03-23 CN CN202120590719.0U patent/CN214836672U/en active Active
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