Radiator structure of straddle type vehicle

Abstract

The utility model relates to a radiator structure of a straddle type vehicle, the vehicle at least comprises a power unit, the power unit is supported on a frame unit in a swinging mode and is used for driving the vehicle, and the power unit of the vehicle is provided with a liquid cooling device in the vehicle width direction; a vehicle body cover unit is arranged on the periphery of the vehicle frame unit; the liquid cooling device is provided with a fan, a radiator and a flow guide cover arranged on the outer side of the radiator and connected to the power unit. The radiator comprises an upper water tank part, a lower water tank part and a radiating part arranged between the upper water tank part and the lower water tank part; a water adding pipe extends on the upper water tank part in an integrated forming mode, a water adding opening is formed in the upper end of the water adding pipe, and a cover is arranged on the water adding opening in a covering mode; at least one part of the water filling opening and at least one part of the cover are shielded by the vehicle body cover unit from the side view of the vehicle body. Therefore, the situation that high-temperature cooling liquid in the radiator is sprayed out to hurt personnel due to the fact that a person without professional knowledge of vehicle maintenance easily opens the cover can be avoided.

Description

Technical Field

[0001] The utility model relates to a radiator structure of a straddle-type vehicle, and in particular to a radiator structure of a straddle-type vehicle which can prevent a person without professional knowledge of vehicle maintenance from easily opening the cover and causing high-temperature cooling liquid in the radiator to spray out and injure people. Background Art

[0002] like Figure 1 As shown, a straddle-type vehicle 1 with a liquid-cooled engine is equipped with a radiator 11. The radiator 11 is provided with a water inlet 12 for adding liquid into the radiator 11. A cover 13 is provided on the water inlet 12. The cover 13 can cover the water inlet 12 to prevent the hot liquid in the radiator 11 from spraying out. At the same time, when the liquid in the radiator 11 is insufficient, a maintenance engineer can open the cover 13 to add cooling liquid into the radiator 11 through the water inlet 12.

[0003] The existing radiator 11 has achieved a better liquid cooling and heat dissipation effect for the liquid-cooled engine by means of the above-mentioned structure; however, the water inlet 12 of the above-mentioned known radiator 11 and the cover 13 covering the water inlet 12 are both exposed, so non-professional maintenance personnel can easily open the cover 13 from the water inlet 12, which will undoubtedly cause the uncooled liquid in the radiator 11 to spray out and injure the person opening the cover.

[0004] Therefore, how to provide a radiator structure for a straddle-type vehicle to prevent the cover on the water inlet of the radiator from being easily opened and causing injuries to personnel has become an issue that needs to be solved urgently by vehicle manufacturers. Utility Model Content

[0005] [Problems to be Solved by the Utility Model]

[0006] The main purpose of the utility model is to provide a radiator structure of a straddle-type vehicle, which overcomes the disadvantage that the cover on the water filling port of the existing vehicle radiator is easy to be opened, which may cause personal injury.

[0007] [Technical means to solve the problem]

[0008] To this end, the utility model provides a radiator structure of a straddle-type vehicle, the vehicle at least includes a power unit, the power unit is swingably mounted on a frame unit and is used to drive the vehicle, the power unit of the vehicle is provided with a liquid cooling device in the vehicle width direction; a body cover unit is provided on the periphery of the frame unit; the liquid cooling device has a fan and a radiator, and a deflector provided on the outside of the radiator and connected to the power unit; the radiator includes an upper water trough portion, a lower water trough portion, and a heat dissipation portion provided between the upper water trough portion and the lower water trough portion; a water filling pipe is extended on the upper water trough portion in an integrally formed manner, the upper end of the water filling pipe has a water filling port, and a cover is provided on the water filling port; when viewed from the side of the vehicle body, at least a portion of the water filling port and the cover are shielded by the body cover unit.

[0009] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the frame unit has at least a side frame portion, and the side frame portion has at least a rising section; the water filling pipe and the water filling port are extended upward from the upper water trough portion to the rising section and then extended obliquely toward the rear of the vehicle body.

[0010] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein a reinforcing rib is provided between the water supply pipe and the upper water tank portion.

[0011] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the height of the water inlet along the vertical direction of the vehicle body is greater than the height of the upper end of the upper water tank portion.

[0012] To this end, some embodiments of the utility model provide a radiator structure for a straddle-type vehicle, wherein the upper water tank portion is provided with a return pipe connected to the cylinder portion of the power unit toward the front of the vehicle body; the lower water tank portion is provided with an output pipe connected to the cylinder portion of the power unit toward the front of the vehicle body; the height of the water filling port along the vertical direction of the vehicle body is greater than the return pipe and the output pipe.

[0013] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the rising section of the side frame portion is provided with a pedal rod; viewed from the side of the vehicle body, the pedal rod can at least partially cover the water inlet after being folded.

[0014] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the vehicle body cover unit has at least a side vehicle body cover; the side vehicle body cover can shield the water inlet and at least a portion of the cover.

[0015] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the air deflector can shield at least a portion of the water inlet and the cover when viewed from the side of the vehicle body.

[0016] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein a locking member is provided between the water inlet and the cover.

[0017] To this end, some embodiments of the present invention provide a radiator structure for a straddle-type vehicle, wherein the water filling pipe is further provided with an overflow pipe.

[0018] [Effects of the utility model]

[0019] The utility model can achieve the effect that: it can prevent people who do not have the professional knowledge of vehicle maintenance from easily opening the cover, causing the high-temperature cooling liquid in the radiator to spray out and injure people.

[0020] The utility model has the following effects: the vehicle body cover unit can not only cover the water filling port and the cover, but also partially cover the water filling pipe, thereby improving the commercial quality of the overall appearance of the straddle-type vehicle; at the same time, it can avoid interference between the water filling port and the side frame part, and facilitate the process of adding coolant to the water filling port.

[0021] The utility model has the effect that the rigidity strength of the water adding pipe can be improved.

[0022] The utility model has the effect that sufficient space can be maintained between the upper water tank and the water inlet to facilitate the discharge of air in the upper water tank, thereby preventing maintenance personnel from misjudging the water level in the radiator and preventing air blockage in the upper water tank.

[0023] The utility model has the effect of facilitating the gas discharge in the radiator, thereby preventing maintenance personnel from misjudging the water level in the radiator and preventing gas plugs from occurring in the radiator.

[0024] The utility model has the effect that the concealment of the water filling port can be improved, and the cover can be prevented from being easily opened by a person without professional knowledge of vehicle maintenance, so as to cause the high-temperature cooling liquid in the radiator to spray out and injure people.

[0025] The utility model can achieve the effect that: it can prevent people who do not have the professional knowledge of vehicle maintenance from easily opening the cover, causing the high-temperature cooling liquid in the radiator to spray out and injure people.

[0026] The utility model has the effect that the concealment of the water filling port can be improved, and the cover can be prevented from being easily opened by a person without professional knowledge of vehicle maintenance, so as to cause the high-temperature cooling liquid in the radiator to spray out and injure people.

[0027] The utility model has the effect that the sealing effect of the lid and the water inlet can be improved.

[0028] The utility model has the effect of facilitating the discharge of excess coolant in the radiator, thereby ensuring the use effect of the radiator. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a side view of a known radiator.

[0030] Figure 2 It is a side view of the straddle-type vehicle of the present utility model.

[0031] Figure 3 It is a schematic diagram of a power unit and a liquid cooling device of a vehicle of the utility model.

[0032] Figure 4 It is a schematic diagram of a guide cover of a liquid cooling device of the utility model.

[0033] Figure 5 It is a front view of the power unit of the vehicle of the utility model.

[0034] Figure 6 It is an exploded view of the water adding pipe and the cover of the utility model.

[0035] Reference numerals list

[0036] 1: Vehicle

[0037] 11: Radiator 12: Water inlet

[0038] 13: Lid

[0039] 2: Vehicles

[0040] 3: Frame unit

[0041] 31: Head pipe

[0042] 32: Steering mechanism

[0043] 33: Downcomer

[0044] 34: pedal tube 341: pedal cross tube

[0045] 35: Side frame

[0046] 351: Ascending section 352: Extending section

[0047] 353: Auxiliary pipe 354: Extension piece

[0048] 4: Seat cushion

[0049] 5: Storage box

[0050] 6: Power unit

[0051] 61: Cylinder

[0052] 611: Cylinder head cover 612: Cylinder head

[0053] 613: Cylinder body

[0054] 62: Transmission

[0055] 63: Crankcase

[0056] 7: Liquid cooling device

[0057] 71: Fan

[0058] 711: Blade

[0059] 72: Radiator

[0060] 721: Upper water tank part 722: Lower water tank part

[0061] 723: Heat dissipation

[0062] 724: water supply pipe 7241: water supply port

[0063] 7242: Convex rib

[0064] 725: Lid 7251: Locking rib

[0065] 726: Locking piece 727: Reinforcement rib

[0066] 728: Overflow pipe

[0067] 73: air guide cover 74: return pipe

[0068] 75: Output tube

[0069] 8: Body cover unit

[0070] 81: hood 82: front body cover

[0071] 83: Knee cover 84: Side body cover

[0072] 85: Central body cover

[0073] D: Front fork unit

[0074] E: Foot lever

[0075] M: Exhaust pipe

[0076] FW: front wheel

[0077] RW: Rear wheel

[0078] P: Footrest

[0079] T: Fuel tank

[0080] W: Water pump

[0081] W1: Cooling water outlet port

[0082] W2: Cooling water inlet port. DETAILED DESCRIPTION

[0083] In order to make it easier to understand the structure and effects of the present invention, the following description is provided in conjunction with the accompanying drawings.

[0084] First, see Figure 2 As shown, the straddle-type vehicle 2 of the present invention includes a frame unit 3 , a seat cushion 4 provided on the frame unit 3 , and a power unit 6 .

[0085] like Figure 2 As shown, in the following description, the left and right sides of the vehicle body are defined as the left side of the driver and the right side of the driver after the driver sits on the vehicle 2, which are explained first. The front pivot of the frame unit 3 is provided with a head pipe 31, and a steering mechanism 32 is connected to the top of the head pipe 31. The head pipe 31 is connected to a descending pipe 33 toward the rear of the vehicle body, and a pair of left and right pedal pipes 34 extending toward the rear of the vehicle body and being slightly horizontal are connected to the bottom of the descending pipe 33. A pedal cross pipe 341 is connected between the end of the descending pipe 33 and the pair of left and right pedal pipes 34; the pedal pipes 34 are extended to the rear of the vehicle with a pair of left and right side frame parts 35, and the side frame parts 35 have a rising section 33 adjacent to the pedal pipes 34. 51 and an extension section 352 located at the rear section of the vehicle body, a pair of left and right auxiliary pipes 353 are arranged between the rising section 351 of the side frame portion 35 and the extension section 352, and a pair of left and right extension members 354 are extended toward the rear of the vehicle body at the rising section 351 adjacent to the footrest pipe portion 34; a front fork unit D composed of a front shock absorber is pivotally provided at the lower part of the head pipe portion 31, and a front wheel FW is pivotally provided at the lower end of the front fork unit D; a footrest rod E which can be freely folded or extended for the passenger to rest his feet is provided on the rising section 351 of the side frame portion 35.

[0086] like Figure 2As shown, a slightly flat footrest P is provided on the slightly horizontal pedal tube portion 34 of the frame unit 3, and the footrest P forms a flat footrest for the driver to rest his feet; a fuel tank T for storing fuel for the power unit 6 to burn is installed in the internal space defined between the left and right slightly horizontal pedal tube portions 34, and the power unit 6 is connected to the frame unit 3 and is located at the fuel tank T and is arranged more toward the rear of the vehicle body.

[0087] like Figure 2 As shown, the side frame portion 35 is provided with a seat cushion 4 for the driver to sit on above the extension section 352, and the side frame portion 35 is provided with a storage box 5 on the extension section 352 and below the seat cushion 4; the power unit 6 is locked on the auxiliary pipe 353 and the extension member 354 of the side frame portion 35, and the power unit 6 is supported on the frame unit 3 in a swingable manner; the power unit 6 drives the rear wheel RW.

[0088] like Figure 2 , 3 As shown in Figures 5 and 6, the power unit 6 is an internal combustion engine; the power unit 6 includes a cylinder portion 61 and a transmission portion 62; an exhaust pipe M is provided on one side of the power unit 6, and the exhaust pipe M extends from the outside of the power unit 6 toward the rear of the vehicle body; a liquid cooling device 7 is provided on one side of the power unit 6, and the liquid cooling device 7 can be located on the same side of the power unit 6 or on a different side from the exhaust pipe M; the utility model is illustrated by taking the liquid cooling device 7 and the exhaust pipe M being located on the same side of the power unit 6 as an example.

[0089] like Figure 2 , 3 As shown in Figures 5 and 6, the cylinder portion 61 extends toward the front of the vehicle body in a slightly inclined manner and partially extends out of the rising section 351 of the side frame portion 35, that is, the portion of the cylinder portion 61 extending toward the front of the vehicle body extends further toward the front of the vehicle body than the rising section 351 of the side frame portion 35; the cylinder portion 61 has a cylinder head cover 611, a cylinder head 612 and a cylinder body 613 in sequence from the front of the vehicle body to the rear of the vehicle body, and the end of the cylinder body 613 facing the lower side of the vehicle body is connected to a crankcase 63 containing a crankshaft (not shown in the figure), and the transmission portion 62 is provided on one side of the crankcase 63, and the transmission portion 62 includes a belt stepless speed change system (not shown in the figure).

[0090] like Figure 2As shown, the straddle-type vehicle 2 is provided with a body cover unit 8 on the periphery of the frame unit 3, and the body cover unit 8 includes a front cover 81 that can cover part of the steering mechanism 32, a front body cover 82 covered in front of the vehicle body, a knee cover 83 located behind the front body cover 82, side body covers 84 located on both sides below the seat cushion 4, and a central body cover 85 located below the seat cushion 4. The central body cover 85 can be formed by extending the side body covers 84 on both sides or be an independent cover.

[0091] like Figure 2 , 3, 4, 5, and 6, the liquid cooling device 7 is arranged on one side of the straddle-type vehicle 2 in the vehicle width direction; that is, the liquid cooling device 7 is arranged on the other side of the power unit 6 on which the belt stepless speed change system is arranged, and the liquid cooling device 7 has a fan 71 connected to the crankshaft in the crankcase 63, a radiator 72 arranged on the outer side of the fan 71 along the vehicle width direction, and a deflector 73 arranged on the outer side of the radiator 72; the radiator 72 has an upper water tank portion 721, a lower water tank portion 722, and a heat dissipation portion 723 connecting the upper water tank portion 721 and the lower water tank portion 722; the upper water tank portion 721 is provided with a water supply pipe 724 in an integrally formed manner, and the water supply pipe 724 can be supplied from the outside Cold water is added to the radiator 72; the end of the water adding pipe 724 has a water inlet 7241 connected to the water adding pipe 724, and the water inlet 7241 is covered with a freely removable cover 725, and a reinforcing rib 727 is provided between the water adding pipe 724 and the upper water tank 721, and the water adding pipe 724 is provided with an overflow pipe 728 for overflow when the water level inside the radiator 72 is too high; a locking member 726 is locked between the water inlet 7241 and the cover 725 in the utility model, and the locking member 726 is implemented by a screw in the utility model, so that the cover 725 can be locked by the locking member 726 to prevent the cover 725 from easily falling out of the water inlet 72 41 detaches; further, the bottom surface of the cover 725 is provided with a locking rib 7251 which is folded inwardly, and the water filling pipe 724 is provided with a convex retaining rib 7242 below the outer end edge of the water filling port 7241, and the locking rib 7251 can be buckled on the convex retaining rib 7242 by rotation, so that the cover 725 and the water filling pipe 724 form a hook-and-lock connection; the water filling pipe 724 is extended in a manner extending upward and rearward of the vehicle body. Furthermore, the water filling pipe 724 is adjacent to the rising section 351 of the side frame portion 35 and is extended upward and rearward of the vehicle body in a manner slightly parallel to the rising section 351 of the side frame portion 35, so that the lower edge of the water filling port 7241 of the water filling pipe 724 can be extended along the height of the vehicle body in the vertical direction. The water filling pipe 724 is arranged in a manner that is slightly higher than the upper end edge of the upper water trough portion 721; since the water filling pipe 724 is arranged to extend obliquely toward the upper and rear of the vehicle body in a manner that is slightly parallel to the rising section 351 of the side frame portion 35, the water filling port 7241 and the cover 725 can be partially covered by the side body cover 84 when viewed from the side of the vehicle body. At the same time, when the pedal rod E provided on the rising section 351 of the side frame portion 35 is in a folded state, the water filling port 7241 and the cover 725 are also covered by the pedal rod E when viewed from the side of the vehicle body; thereby, it can be prevented that non-professional personnel easily reach in from the side of the vehicle body to open the cover 725, thereby preventing personnel from being scalded by the high-temperature liquid in the radiator 72.

[0092] like Figure 2 , 3As shown in Figures 4 and 5, the upper water tank portion 721 of the radiator 72 is provided with a return pipe 74 toward the front of the vehicle body, and the return pipe 74 is connected to the cooling water outlet port W1 of the cylinder portion 61 of the power unit 6, whereby the hot water after cooling the cylinder portion 61 of the power unit 6 can be returned from the return pipe 74 to the radiator 72 for cooling and heat dissipation; the lower water tank portion 722 is provided with an output pipe 75 toward the front of the vehicle body, and the output pipe 75 is connected to the cooling water inlet port W2 of the cylinder portion 61 of the power unit 6, whereby the cooling water after the heat is dissipated by the radiator 72 can be input into the cylinder portion 61 of the power unit 6 for cooling and heat dissipation by means of a water pump W disposed in the cylinder portion 61. In the embodiment of the utility model, The water adding pipe 724 is configured so that the height of the lower edge of the water adding port 7241 of the water adding pipe 724 along the vertical direction of the vehicle body is higher than that of the return pipe 74 and the output pipe 75; a plurality of heat dissipation fins are arranged in the heat dissipation portion 723, and the heat dissipation portion 723 is slightly corresponding to the blades 711 of the fan 71, whereby when the power unit 6 drives the fan 71 to rotate, the blades 711 can introduce external cold air to dissipate heat to the heat dissipation portion 723, whereby the hot water cooled and dissipated by the cylinder portion 61 of the power unit 6 is transported back to the upper water tank portion 721 through the return pipe 74, and when it flows toward the lower water tank portion 722 through the heat dissipation portion 723, the negative pressure generated by the fan 71 is used to introduce external cold air to dissipate heat. The radiator 72 is locked to the outer side of the fan 71 along the width direction of the vehicle 2, so that the radiator 72 draws in external cold air through the fan 71, so that the heat dissipation part 723 can be cooled by the external cold air.

[0093] like Figure 2 , 3 As shown in Figures 4 and 5, the air deflector 73 is arranged on the outside of the radiator 72. Specifically, the radiator 72 is located between the air deflector 73 and the fan 71. The air deflector 73 of the utility model is implemented with a grid-like air deflection structure. The air deflector 73 is arranged on the outside of the radiator 72, and at least a part of it forms an overlapping state with the water pipe 724 and the cover 725 of the radiator 72. More specifically, when viewed from the side of the vehicle body, the air deflector 73, the water pipe 724 and the cover 725 at least partially form an overlapping shielding.

[0094] The utility model mainly comprises a vehicle 2 at least including a power unit 6, the power unit 6 is supported on a frame unit 3 in a swingable manner and is used to drive the vehicle 2, the power unit 6 of the vehicle 2 is provided with a liquid cooling device 7 in the vehicle width direction; the frame unit 3 is provided with a vehicle body cover unit 8 on the periphery; the liquid cooling device 7 has a fan 71 and a radiator 72, and a deflector 73 arranged on the outside of the radiator 72 and connected to the power unit 6; the radiator 72 includes an upper water tank portion 721, a lower water tank portion 722, and a A heat dissipation portion 723 is provided between the upper water tank portion 721 and the lower water tank portion 722; a water filling pipe 724 is integrally formed on the upper water tank portion 721, and a water filling port 7241 is provided at the upper end of the water filling pipe 724, and a cover 725 is provided on the water filling port 7241; when viewed from the side of the vehicle body, the water filling port 7241 and at least a portion of the cover 725 are shielded by the vehicle body cover unit 8; thereby, it can be prevented that a person who does not have professional knowledge of vehicle maintenance easily opens the cover 725, causing the high-temperature cooling liquid in the radiator 72 to spray out and injure people.

[0095] In summary, the present invention can improve the known shortcomings and achieve the desired purpose through the above-mentioned structure, and has indeed improved the efficacy compared with the existing ones. It is obvious that it has novelty, practicality and creativity.

Claims

1. A radiator structure for a straddle-type vehicle, It is characterized in that The vehicle at least includes a power unit, which is supported on a frame unit in a swingable manner and is used to drive the vehicle, and the power unit of the vehicle is provided with a liquid cooling device in the vehicle width direction; a body cover unit is provided on the periphery of the frame unit; the liquid cooling device has a fan and a radiator, and a deflector provided on the outside of the radiator and connected to the power unit; the radiator includes an upper water trough portion, a lower water trough portion, and a heat dissipation portion provided between the upper water trough portion and the lower water trough portion; a water filling pipe is extended on the upper water trough portion in an integrally formed manner, the upper end of the water filling pipe has a water filling port, and a cover is provided on the water filling port; when viewed from the side of the vehicle body, at least a portion of the water filling port and the cover are shielded by the body cover unit.

2. The radiator structure of a straddle-type vehicle according to claim 1, It is characterized in that The frame unit at least has a side frame portion, and the side frame portion at least has a rising section; the water filling pipe and the water filling port are extended upward from the upper water tank portion to the rising section and then extended obliquely toward the rear of the vehicle body.

3. The radiator structure of a straddle-type vehicle according to claim 1 or 2, It is characterized in that A reinforcing rib is provided between the water supply pipe and the upper water tank portion.

4. The radiator structure of a straddle-type vehicle according to claim 1 or 2, It is characterized in that The height of the water filling port along the vertical direction of the vehicle body is greater than the upper end height of the upper water tank portion.

5. The radiator structure of a straddle-type vehicle according to claim 1, It is characterized in that The upper water tank is provided with a return pipe connected to the cylinder part of the power unit toward the front of the vehicle body; the lower water tank is provided with an output pipe connected to the cylinder part of the power unit toward the front of the vehicle body; the height of the water filling port along the vertical direction of the vehicle body is greater than the return pipe and the output pipe.

6. The radiator structure of a straddle-type vehicle according to claim 2, It is characterized in that The ascending section of the side frame portion is provided with a pedal rod; viewed from the side of the vehicle body, the pedal rod can at least cover the water inlet portion after being folded.

7. The radiator structure of a straddle-type vehicle according to claim 1, It is characterized in that The vehicle body cover unit at least has a side vehicle body cover; the side vehicle body cover can shield the water filling port and at least a part of the cover.

8. The radiator structure of a straddle-type vehicle according to claim 1, It is characterized in that When viewed from the side of the vehicle body, the deflector can shield at least a portion of the water inlet and the cover.

9. The radiator structure of a straddle-type vehicle according to claim 1, It is characterized in that A locking member is provided between the water inlet and the cover.

10. The radiator structure of a straddle-type vehicle according to claim 1 or 9, It is characterized in that The water adding pipe is also provided with an overflow pipe.

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