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CN-119929037-B - Air quantity distribution system and motorcycle

CN119929037BCN 119929037 BCN119929037 BCN 119929037BCN-119929037-B

Abstract

The application discloses an air quantity distribution system and a motorcycle, which comprise a radiator, an upper air guide cover, a rear air guide cover and a bottom guard plate, wherein the radiator is arranged between a front fender and an oil tank of the motorcycle, front lining plates are arranged on the left side and the right side of the radiator, the two front lining plates extend towards one side of the front fender in an outward expanding mode, the upper air guide cover is arranged on the upper side of the radiator, a first air channel for air inlet towards the radiator is formed between the upper air guide cover and the front fender, an upper section of a second air channel is formed between the upper air guide cover and the oil tank, the rear air guide cover is arranged on the air outlet side of the radiator, the rear air guide cover comprises a rear back plate arranged between the radiator and the oil tank, the upper end of the rear back plate extends towards the upper air guide cover, a lower section of the second air channel is formed between the rear back plate and the oil tank, the bottom guard plate extends towards the direction of the oil bottom shell, and the second air channel is towards the air outlet of the oil bottom shell. The application can ensure the radiator to have enough cooling air quantity, and can distribute a part of air quantity to cool the oil pan so as to improve the reliability.

Inventors

  • LI XIANWEN
  • WANG LINGXIA
  • TANG LIN
  • HE DAN
  • CHEN JIA

Assignees

  • 隆鑫通用动力股份有限公司
  • 重庆隆鑫机车有限公司
  • 重庆隆鑫发动机有限公司

Dates

Publication Date
20260508
Application Date
20250227

Claims (8)

  1. 1. An air volume distribution system, comprising: The radiator (1) is arranged between a front fender (8) and an oil tank (6) of the motorcycle, front lining plates (2) are arranged on the left side and the right side of the radiator (1), and the two front lining plates (2) extend towards one side where the front fender (8) is arranged in an outward expanding mode; the upper air guide sleeve (3) is arranged on the upper side of the radiator (1), a first air channel (14) for air inlet towards the radiator (1) is formed between the upper air guide sleeve (3) and the front mudguard (8), and the upper section of a second air channel (15) is formed between the upper air guide sleeve (3) and the oil tank (6); The rear air guide sleeve (4) is arranged on the air outlet side of the radiator (1), the rear air guide sleeve (4) comprises a rear back plate (12) positioned between the radiator (1) and the oil tank (6), the upper end of the rear back plate (12) extends towards the upper air guide sleeve (3), and a lower section of the second air channel (15) is formed between the rear back plate (12) and the oil tank (6); The bottom guard plate (5) is arranged at the lower end of the rear back plate (12), the bottom guard plate (5) extends towards the direction of the oil pan (9), a tail section of the second air duct (15) is formed between the bottom guard plate (5) and the oil tank (6), and the second air duct (15) faces the oil pan (9) to discharge air; The overall curvature of the upper air guide sleeve (3) is consistent with the curvature of the corresponding front fender (8), the upper end of the upper air guide sleeve (3) is lower than the highest point of the front fender (8), and the lower end of the upper air guide sleeve (3) is higher than the lowest point of the front fender (8); An inclined surface (7) is arranged at one side, close to the second air duct (15), of the upper end of the oil tank (6), the upper end of the upper air guide sleeve (3) does not exceed the tangential position of the inclined surface (7), and the upper end of the upper air guide sleeve (3) is fixedly connected with a frame of the motorcycle.
  2. 2. An air distribution system according to claim 1, wherein a tangent line at the lower end of the upper air guide sleeve (3) is directed to the radiator (1), and the tangent line direction is consistent with the flow direction of the air flow in the first air duct (14).
  3. 3. The air quantity distribution system according to claim 1, wherein an inflection point (16) exists at the connection position of the lower end of the upper air guide sleeve (3) and the radiator (1), and the inflection point (16) is arranged close to the radiator (1).
  4. 4. An air distribution system according to claim 1, wherein a tangent line of the lower end of the front fender (8) intersects with the lowest point of the lower end of the radiator (1).
  5. 5. The air volume distribution system according to claim 1, wherein the overall curvature of the rear back plate (12) coincides with the curvature of the lower portion of the oil tank (6), and the position of the lower end of the rear back plate (12) coincides with the position of the oil pan (9) or is within a range of less than 2 cm.
  6. 6. The air quantity distribution system according to claim 1, wherein the rear air guide sleeve (4) further comprises side plates (13) positioned on two sides of the rear back plate (12), two side plates (13) and the rear back plate (12) are enclosed to form a heat dissipation air channel, a fan (11) of the radiator (1) is arranged on an air inlet side of the heat dissipation air channel, and an air outlet side of the heat dissipation air channel faces to the ground.
  7. 7. The air distribution system according to claim 1, wherein side guide plates (10) extending towards the direction of the oil tank (6) are arranged on two sides of the upper air guide sleeve (3) and two sides of the rear air guide sleeve (4), and the side guide plates (10) are fixedly connected with a frame of the motorcycle so as to reduce air flow dissipation in the second air duct (15).
  8. 8. A motorcycle comprising the air distribution system according to any one of claims 1 to 7.

Description

Air quantity distribution system and motorcycle Technical Field The application relates to the technical field of motorcycles, in particular to an air quantity distribution system and a motorcycle. Background With the rapid development of the motorcycle industry, a pedal motorcycle with small and medium displacement becomes one of the daily traveling and entertainment modes of modern consumers. People seek wind and freedom, and meanwhile, the riding experience demands are also increasing, and the power comfort and smoothness are pursued in the aspect of power, so that the extremely accelerated feeling of power is also very concerned. In addition, after the power of the engine is increased, the engine oil is radiated, and the motorcycle without an engine oil cooler mainly radiates the heat by an engine oil bottom shell, and the radiation is enhanced in the form of radiating ribs in the past development, but the covering part of the scooter has better covering property on the vehicle body, the airflow utilization rate is not high, the airflow speed near the oil bottom shell is lower, and some or even dead zones of speed occur, so that the radiation requirement is difficult to reach by only increasing the radiating ribs. Therefore, aiming at the technical problems, how to solve the problems of insufficient cooling air quantity and unreasonable cooling air distribution of the existing motorcycle cooling system is a technical problem which needs to be solved by the technicians in the field. Disclosure of Invention The application aims to provide an air quantity distribution system and a motorcycle, which can ensure that a radiator has enough cooling air quantity, so that an engine can circularly work under a proper temperature condition, and can distribute part of air quantity to cool an oil pan, so that the oil heat dissipation performance of a lifter is improved, and the reliability is improved. In order to achieve the above object, the present application provides an air volume distribution system, including: the radiator is arranged between a front fender and an oil tank of the motorcycle, front lining plates are arranged on the left side and the right side of the radiator, and the two front lining plates extend towards one side of the front fender in an outward expanding mode; The upper air guide sleeve is arranged on the upper side of the radiator, a first air channel for air inlet towards the radiator is formed between the upper air guide sleeve and the front fender, and an upper section of a second air channel is formed between the upper air guide sleeve and the oil tank; The rear air guide sleeve is arranged on the air outlet side of the radiator and comprises a rear back plate positioned between the radiator and the oil tank, the upper end of the rear back plate extends towards the upper air guide sleeve, and a lower section of the second air channel is formed between the rear back plate and the oil tank; The bottom guard plate is arranged at the lower end of the rear back plate, extends towards the direction of the oil pan, forms a tail section of the second air duct between the bottom guard plate and the oil tank, and leads the second air duct to face the oil pan to discharge air. Preferably, the overall curvature of the upper air guide sleeve is consistent with the curvature of the corresponding front fender, the upper end of the upper air guide sleeve is lower than the highest point of the front fender, and the lower end of the upper air guide sleeve is higher than the lowest point of the front fender. Preferably, an inclined plane is arranged at one side of the upper end of the oil tank, which is close to the second air duct, the upper end of the upper air guide sleeve does not exceed the tangential position of the inclined plane, and the upper end of the upper air guide sleeve is fixedly connected with the frame of the motorcycle. Preferably, a tangent line at the lower end of the upper air guide sleeve points to the radiator, and the tangent direction is consistent with the flow direction of the air flow in the first air duct. Preferably, an inflection point exists at the connection position of the lower end of the upper air guide sleeve and the radiator, and the inflection point is arranged close to the radiator. Preferably, the overall curvature of the back plate is consistent with the curvature of the lower portion of the oil tank, and the position of the lower end of the back plate is consistent with the position of the oil pan or is within a range of less than 2 cm. Preferably, the bottom guard plate is horizontally arranged, and the lowest point of the oil tank is higher than the lowest point of the oil pan, so that the air flow of the second air duct causes the oil pan. Preferably, the rear air guide sleeve further comprises side plates located on two sides of the rear back plate, the two side plates and the rear back plate enclose to form a heat dissipation air duct, a fan of the radiato