CN1796738A - Cooling water supply apparatus - Google Patents
Cooling water supply apparatus Download PDFInfo
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- CN1796738A CN1796738A CN 200510134505 CN200510134505A CN1796738A CN 1796738 A CN1796738 A CN 1796738A CN 200510134505 CN200510134505 CN 200510134505 CN 200510134505 A CN200510134505 A CN 200510134505A CN 1796738 A CN1796738 A CN 1796738A
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- thermostat
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Abstract
The present invention provides a cooling water supplying device which can ensure the surrounding room of the cylinder cover and effectively use the useless room between the heat radiator and the engine. The device includes the following components: a crankshaft case (54) which is used to support the bent shaft (58) driven by the rotation of the engine (50); a cooling water pump (125) which is driven by the driving force produced by the bent shaft and pressurizes the cooling water to expel the cooling water; a heat radiator (129) which is arranged at the lateral of the crankshaft case and does heat liberation of the cooling water; a thermostat (130), which is arranged at the path between the heat radiator and the cooling water pump, make the cooling water flow into the heat radiator when the temperature of the cooling water is above the presetting value, and make the cooling water detour around the heat radiator when the temperature of the cooling water is less than or equal to the presetting value, provides the cooling water which is used to cool the engine to the water-cooling jacket (122) formed in the engine, wherein, arrange the cooling water pump at the profile plane of the crankshaft case, and arrange the thermostat to the space between the cooling water pump and the heat radiator.
Description
Technical field
The present invention relates to the apparatus for supplying cool water that is supplied to cooling water in the water jacket that is formed in the cylinder head and cools off described cylinder head.
Background technique
Producing by motor under the situation of high efficiency power, having the situation of preferably setting the temperature of cylinder head and cylinder block respectively.In this case, known technology is, in the side of crankcase radiator is set, and in addition, thermostat (thermostat) is arranged on the side (for example, opening 2003-172143 communique (patent documentation 1) referring to the spy) of cylinder head.
But if adopt this structure, because the distance from cylinder head to radiator is far away, therefore, cooling-water flow path (water-cooling tube) is longer.In addition, in lateral plan, radiator is for only covering the structure that alternator (ACG) does not cover other parts.Therefore, the problem of existence is: can produce wasted space between radiator and motor.In addition, also the problem of Cun Zaiing is: because thermostat is arranged on the cylinder head, therefore, the cylinder that is provided with a plurality of parts can further strengthen on every side.
Summary of the invention
The objective of the invention is to address these problems, and the apparatus for supplying cool water that can guarantee the space around the cylinder head and effectively utilize the wasted space between radiator and the motor is provided.
In order to address the above problem, the apparatus for supplying cool water of technological scheme 1 be used for will the described motor of cooling cooling water be supplied to and be formed on in-engine water jacket, it has: crankcase, it is used to support the bent axle that drives by engine rotation; Cooling waterpump, it pressurizes to discharge cooling water by the drive force that produces from bent axle and to cooling water; Be arranged on the sidepiece of crankcase and the radiator that carries out the cooling water heat release; Thermostat, it is arranged in the path between radiator and the cooling waterpump, and in the temperature of cooling water during greater than specified value, make cooling water flow into radiator, and in the temperature of cooling water during smaller or equal to specified value, make cooling water walk around radiator, cooling waterpump is arranged on the side of crankcase, thermostat is arranged in the space between described cooling waterpump and the radiator.
Best, the apparatus for supplying cool water of technological scheme 1 has the radiator fan of cooling radiator in the end of bent axle, and shown in the side time, thermostat is arranged on the place ahead and the below of radiator fan.
The apparatus for supplying cool water of technological scheme 2 be used for will the described motor of cooling cooling water be supplied to and be formed on in-engine water jacket, it has: the radiator that is arranged on the motor sidepiece and carries out the cooling water heat release; The radiator box of radiator cover; Cooling water is pressurizeed to discharge the cooling waterpump of cooling water; Thermostat, it is arranged in the path between radiator and the cooling waterpump, and during greater than specified value, makes cooling water flow into radiator in the temperature of cooling water, and during smaller or equal to specified value, makes cooling water walk around radiator in the temperature of cooling water; Cover the thermostat lid of described thermostat; Cover at thermostat and to form the water-cooling tube joint, this joint links to each other with the bypass passageways that the cooling water of walking around radiator flows through, and shown in the side time, at least a portion of described water-cooling tube joint and radiator box is overlapping.
At this moment, best, shown in the side time, at least a portion of radiator and thermostat lid is overlapping, radiator with thermostat lid position overlapped place, form the tap hole of discharging cooling water, and, have and connect described tap hole and the interior connecting tube of thermostat lid.
In the apparatus for supplying cool water of technological scheme 1 and 2, preferably the thermostat utilization is arranged on inner valve body, but freely openable ground is the 1st thermostat chamber and the 2nd thermostat chamber with described internal separation, simultaneously, have respectively and the 1st the 1st introduction part that links to each other with the 2nd thermostat chamber and the 2nd introduction part, described the 1st introduction part and the 2nd introduction part vertically are positioned at and the 1st thermostat chamber and the position more than the 2nd thermostat chamber upper end equal height.
If constitute the apparatus for supplying cool water of technological scheme 1 in the above described manner, owing at radiator be arranged between the cooling waterpump in the crankcase and be provided with thermostat, therefore, can effectively utilize the wasted space between radiator and the crankcase.In addition, because thermostat has formed a part that makes cooling water flow into the cooling water stream of coolant pump, therefore, can shorten the water-cooling tube of cooling water flow warp.At this moment, by thermostat being arranged on the place ahead and the below of radiator fan, thereby can more effectively utilize wasted space.
In addition, if constitute the apparatus for supplying cool water of technological scheme 2 in the above described manner, then can stretch out the water-cooling tube joint of formation from the thermostat lid by the radiator box protection.At this moment, by radiator form tap hole with thermostat lid position overlapped place, can shorten the distance of radiator and thermostat, simultaneously, can protect connecting tube by radiator box.
At this moment, but the inside that utilizes valve body freely openable ground to separate thermostat, the the 1st and the 2nd introduction part is communicated with the 1st and the 2nd thermostat chamber of being separated by described valve body, vertically, the the 1st and the 2nd introduction part is positioned at and described the 1st thermostat chamber and the position more than the 2nd thermostat chamber upper end equal height, in this way, even be not provided for discharging the special construction that is trapped in inner air, air still is difficult to be trapped in the 1st and the 2nd thermostat chamber.
Description of drawings
Fig. 1 is the side view that the scooter type motorcycle of apparatus for supplying cool water of the present invention has been installed.
Fig. 2 is the plan view of Power Component.
Fig. 3 is the left side view of Power Component.
Fig. 4 is the right side view of Power Component.
Fig. 5 is the sectional drawing of cylinder head.
Fig. 6 is the sectional side view that comprises the major component of apparatus for supplying cool water.
Fig. 7 is the cross sectional plan view that comprises the major component of apparatus for supplying cool water.
Fig. 8 is the sectional drawing of major component that comprises the Power Component of apparatus for supplying cool water.
Fig. 9 is the sectional drawing of the major component of cylinder block.
Figure 10 is the plan view of Power Component.
Figure 11 is for showing the explanatory drawing of cooling water flow line structure.
Embodiment
Below, with reference to accompanying drawing most preferred embodiment of the present invention is described.At first, utilize Fig. 1, the scooter type motorcycle 1 that is mounted with apparatus for supplying cool water of the present invention is described.Scooter type motorcycle 1 has vehicle frame 2, described vehicle frame 2 has: be positioned at its anterior and extend along the vertical direction head pipe 3, from the beginning manage 3 undercarriages 4 that extend downwards, from the substantial middle of undercarriage 4 and then backward and the pairing left and right bogie side frame 5 that extends to oblique back upper place, be installed in arc-shaped bend frame 7 on these bogie side frames 5 by side plate 6 downwards.
The unshowned pipe of enemy mutually 3 steering shafts of freely rotating in the installation diagram are installed front fork 8 in the lower end of described steering shaft on head pipe 3.And, front-wheel 9 is bearing in the lower end of described front fork 8.On the other hand, handle post 10 is installed, in addition, handlebar 11 also is installed, handle handlebar 11 steerable nose wheels 9 in the upper end of described handle post 10 in the upper end of steering shaft.In addition, top stay 12 and bottom stay 13 are installed, basket 14 before the front end of these upper and lower stays 12,13 is installed from the beginning to manage 3 modes of forwards extending.
In the bottom of a pair of bogie side frame 5, fuel tank 15 is installed between described a pair of bogie side frame 5.Rear end at the curved frame 7 that is positioned at described fuel tank 15 rears, the connecting rod assembly department 48 that is formed at Power Component 16 front ends can be installed, this connecting rod assembly department 48 is the rear end easy on and off swing of curved frame 7 relatively, simultaneously, by rear buffering device 17, the rear end of Power Component 16 is installed in the rear end of any one bogie side frame 5.At this place, in fuel tank 15, be arranged on the petrolift 18 that inside is provided with the reversing sensor, can be from oil-feed port (lid) 19 fuelings that are arranged on top.In addition, Power Component 16 constitutes and comprises: motor 50, speed changer 90, throttle main body 21, air cleaner 22, the outlet pipe 23 that extends back from motor 50 and the silencing apparatus 24 that links to each other with described outlet pipe 23 rear ends.And, in the rear end of described Power Component 16 trailing wheel 25 is installed, drive trailing wheel 25 by Power Component 16, thereby scooter type motorcycle 1 obtains power and can travel.
Trunk 26 and grab bar 20 are installed in rear portion at bogie side frame 5.The front portion of trunk 26 is by front side plate 28, and by front side transverse pipe 27 supportings that are installed in bogie side frame 5, its rear portion is by door shape frame 29 supportings that are installed on the bogie side frame 5.In addition, grab bar 20 is by rear portion stay 20 supportings of extending upward from bogie side frame 5.And the helmet 31,32 has represented that it is stored in the state in the trunk 26.In addition, at the rear portion of grab bar 20 rear storage case 33 is installed.
In having the scooter type motorcycle 1 of this structure, the top of Vehicular body front is covered by protecgulum 34, anterior side cover 35 about installing below the sidepiece of described protecgulum 34.Unshowned turn light in the installation diagram on described anterior side cover 35.Anterior inner cap 36 is installed at the rear portion of protecgulum 34, and the sidepiece of the foot treadle 37 of the pin of placement driver and co-rider is covered by side cover and lower cover 38.In addition, seat 39 is installed, is covered by body cover and main body side cover 40 around the below of seat 39 on the top of trunk 26.In addition, the handle cover 42 that covers handlebar 11 also is installed, Headlamps 43 is installed on described handle cover 42 on the top of protecgulum 34.In addition, front fender 44 is installed, back shroud 45 is installed in the mode that covers trailing wheel 25 tops in the mode that covers front-wheel 9 tops.
In addition, taillight 46 is set below grab bar 20, between protecgulum 34 and anterior inner cap 36, deposits storage battery 41.
Below, utilize Fig. 2～Fig. 5, Power Component 16 is elaborated.In addition, in the present embodiment, the direction of arrow F among Fig. 2 is decided to be the place ahead, the direction of arrow U among Fig. 3 is decided to be the top.The motor 50 that constitutes Power Component 16 is made of cylinder head 51, cylinder head 52, cylinder block 53 and crankcase 54.Surrounded among the 55a of cylinder chamber that forms by the cylinder sleeve 55 that embeds in the cylinder block 53, but easy on and off is provided with piston 56 slidably, described piston 56 links to each other by connecting rod 57 bent axle 58 interior with remain on crankcase 54 free to rotately.By intakeport and relief opening, suction port 60 and exhaust port 61 are communicated with the firing chamber 59 that is formed by cylinder block 53 (cylinder sleeve 55), cylinder head 52 and piston 56.And, mushroom-like Aspirating valves 62 and mushroom-like outlet valve 63 are loaded to the direction of closing intakeport and relief opening at ordinary times respectively by valve spring 64,65, wherein, an end of valve spring 64,65 is installed on the valve shaft and is bearing on the holder, and the other end is supported by cylinder head 52.
In addition, be provided for opening and closing the camshaft 66 of Aspirating valves 62 and outlet valve 63 on cylinder head 52, synchronization chain 69 windings are at cam driven sprocket 67 that described wheel shaft 66 has and be arranged on the cam drive sprocket wheel 68 on the bent axle 58 also free to rotately.Therefore, camshaft 66 cooperates the rotation of bent axle 58 and rotates, and the cam 70,71 that is formed on the described camshaft 66 is depressed Aspirating valves 62 and outlet valve 63 by rocking arm 72,73, opens and closes intakeport and relief opening in this way.In addition, in suction port 60, be provided with sparger 74, make fuel in suction port 60, form particulate and spray by described sparger 74.In addition, spark plug 75 also is installed in cylinder head 52.
At the sidepiece of cylinder block 53, cam chain stretcher 84 is installed, it is used to adjust the tension force of synchronization chain 69 to adjust the time point that opens and closes Aspirating valves 62 and outlet valve 63 by cam 70,71.
In the motor 50 that constitutes in this way, the mixed gas of air that will be purified by air cleaner 22 and the fuel that sprays by sparger 74 is supplied to firing chamber 59 from suction port 60, after by piston 56 compressions, fight by 75 on spark plug and to make its burning, thereby form the energy that bent axle 58 is rotated by piston 56, afterwards, drain into the outside as exhausting air from exhaust port 61.
Bent axle 58 is made of right hand crankshaft halfbody 58a and left hand crankshaft halfbody 58b, by connecting connecting rods 57 for connecting the crankpin 76 that two crankshaft half 58a, 58b are provided with.In addition, the crankcase 54 that holds bent axle 58 is made of right side case halfbody 54a and left side case halfbody 54b, one end of bent axle 58 (collar of right hand crankshaft halfbody 58a) is bearing on the case halfbody 54a of right side by bearing 77, and the other end (collar of left hand crankshaft halfbody 58b) is bearing on the case halfbody 54b of left side by bearing 78.In addition, the tip portion at the collar of right hand crankshaft halfbody 58a is provided with ACG79 and radiator fan 85.
The left side of left side case halfbody 54b extends back and constitute the part of case of transmission 80, the speed changer 90 of packing in the speed changer chamber 82 that is surrounded by the gear shift cover 81 that is installed on described left side case halfbody 54b left surface.Speed changer 90 is made of driving wheel 91, jack shaft 92, follower 93, clutch 94 and not shown transmission belts, wherein, driving wheel 91 be installed in speed changer chamber 82 on the front end of axle journal of the left hand crankshaft halfbody 58b that extends and can with its unitary rotation; Jack shaft 92 is positioned at the rear of speed changer chamber 80 and is parallel to bent axle 58 and extends and can install rotationally; Follower 93 is installed in rotation on the substantial middle portion of jack shaft 92 with respect to described jack shaft 92; Clutch 94 is installed in the left end of jack shaft 92 and can combines, break away from follower 93 and jack shaft 92; Described transmission belts winding also can be passed to the rotation of driving wheel 91 on the follower 93 on driving wheel 91 and follower 93.
Be parallel to jack shaft 92, the rear-wheel spindle 96 that is rotatably mounted pony axle 95 and trailing wheel 25 is housed by being installed in the gear row on jack shaft 92, pony axle 95 and the rear-wheel spindle 96, is passed to the rotating drive power of jack shaft 92 on the trailing wheel 25.Like this, just the output of motor 50 can be passed to bent axle 58, after speed changer 90 speed changes, be passed to trailing wheel 25.
When this Power Component 16 is worked, must each parts of heating be cooled off.Therefore, cylinder head 52 is formed with and makes water jacket 122 that cooling water cools off in internal flow so that cool off by described cooling water, cylinder block 53 is formed with at the outwardly directed a plurality of cooling fins 86 of sidepiece so that can discharge the heat that is produced by cylinder block 53 from described cooling fin 86, in addition, the structure that case of transmission 80 adopts is: be provided with in the front portion of described case of transmission 80 and extend forward and extraneous gas sent into cooling air introduction channel 83 in the speed changer chamber 82, so that cool off.
Below, according to Fig. 6～Figure 10 the apparatus for supplying cool water 120 that uses in having the scooter type motorcycle 1 of said structure is described.This apparatus for supplying cool water 120 is used for cooling water is supplied in the water jacket 122 that is formed at cylinder head 52 so that 52 coolings of described cylinder head, and this device formation comprises: to the cooling waterpump 125 of cooling water pressurization and discharge, be recovered in the cooling water of water jacket 122 cooling usefulness and the radiator 129 that carries out heat extraction, and when the temperature of cooling water is lower than specified value, can't help radiator 129 heat radiations and return the thermostat 130 of water jacket 122.
Cooling waterpump 125 is installed in along an end of the pump shaft 132 that extends with right hand crankshaft halfbody 58a almost parallel, and has by described pump shaft 132 and rotate with the impeller 131 to the cooling water pressurization, at the other end of described pump shaft 132 pump driven sprocket 133 is installed.In addition, the pump pony axle 134 that extends with these 58a, 132 almost parallels is set between pump shaft 132 and right hand crankshaft halfbody 58a.On described pump pony axle 134, pump driven gear 136 is installed, this pump driven gear 136 and pump drive gear 135 engagements that are incorporated into right hand crankshaft halfbody 58a.And, pump drive sprocket 137 is installed side by side with pump driven gear 136.And, on pump drive sprocket 137 and pump driven sprocket 133, be arranged with the chain 138 of pump.In this way, rotation by the formed right hand crankshaft halfbody of the driving of motor 50 58a is passed to pump pony axle 134 by pump drive gear 135 and pump driven gear 136, chain 138 by pump, should rotate and be passed to pump driven sprocket 133 from pump drive sprocket 137, and pump shaft 132 rotates, so that discharge cooling water from exhaust port 126 pressurizations of described cooling waterpump 125.
The place ahead of firing chamber 59 in being formed at cylinder head 52 is provided as the water jacket 122 in the space that forms in the mode that covers described firing chamber 59.In addition, cylinder head 52 rear portion above described water jacket 122 has cooling water leading-out portion 121, and this cooling water leading-out portion is formed with outside and water jacket 122 and is communicated with cooling water is drained into outside cooling water derivation passage 121a.The cooling water that has in cylinder head 52 with the adjacent formation in rear, bottom of water jacket 122 imports space 123, and described cooling water imports the trailing flank opening of space 123 below cylinder head 52, and is communicated with water jacket 122.
On the other hand, on the downside of cylinder block 53 front portions, form the cooling water introduction part 128 of stretching out downwards, on described cooling water introduction part 128, form: have introducing port 128a that is opened in the side and the 1st passage 140a that extends to the side, and be communicated with described the 1st passage 140a and the 2nd passage 140b that extends forward (below, the 1st and the 2nd passage 140a, 140b are referred to as " cooling water introduction channel 140 ").Described the 2nd passage 140b has the export mouth 128b at cylinder block 53 front-end face openings, when cylinder head 52 being installed on the described cylinder block 53, the opening portion of the 2nd passage 140b (export mouth 128b) is communicated with the opening portion that the cooling water of cylinder head 52 imports space 123, so that cooling water introduction channel 140 is communicated with water jacket 122.The exhaust port 126 of cooling waterpump 125 is provided with cooling water introduction part 128 adjacency that are formed on the cylinder block 53, and these parts link to each other by cooling water supplying pipe 127.
Thermostat 130 has the 1st introduction part 141 and the 2nd introduction part 142, when the temperature of the cooling water that flows into from these the 1st and the 2nd introduction parts 141,142 is lower than set point of temperature, close the 2nd introduction part 142 so that cooling water is discharged to leading-out portion 143 from the 1st introduction part 141, when being higher than set point of temperature, close the 1st introduction part 141 so that cooling water is discharged to leading-out portion 143 from the 2nd introduction part 142.In addition, be provided with the valve body 154 that forwards tilts in the side view medial axis in the inside of thermostat 130, the inside of thermostat 130 is divided into the 1st S of thermostat chamber
1With the 2nd S of thermostat chamber
2, wherein, the 1st S of thermostat chamber
1Be communicated with the 2nd S of thermostat chamber with the 1st introduction part 141 by described valve body 154
2Be communicated with the 2nd introduction part 142.
Cooling water leading-out portion 121 in making the 1st water-cooling tube 144 and being formed at cylinder head 52 links to each other, and described the 1st water-cooling tube 144 is divided into the 2nd water-cooling tube 146a and the 3rd water-cooling tube 146b by branched portion 145.The 2nd water-cooling tube 146a links to each other with the suction port 147 of radiator 129, and the 3rd water-cooling tube 146b links to each other with the 1st introduction part 141 of thermostat 130.On the other hand, the 2nd introduction part 142 of thermostat 130 links to each other with the tap hole 148 that nigh radiator 129 is set by the pipe 149 that is rigidly connected.On described branched portion 145, form the positioning part 145a that is used to locate when the 1st～the 3rd water-cooling tube 144,146a, 146b are installed.
In addition, the housing (thermostat lid 130a) of depositing thermostat 130 is integrally formed with the housing of depositing cooling waterpump 125, and the leading-out portion 143 of thermostat 130 directly is connected with the suction port 150 of cooling waterpump 125.Therefore, thermostat 130 constitutes the part of cooling water runner of cooling water being sent into the suction port 150 of cooling waterpump 125, thereby can shorten the flow path of flow of cooling water, and makes overall compact.In addition, connect radiator 129 and thermostat 130 by connecting tube 149, thereby can improve the assembling performance of Power Component 16.
Employing has the apparatus for supplying cool water 120 of said structure, and the cooling water of discharging from cooling waterpump 125 flows into water jacket 122 by the cooling water introduction channel 140 that is formed on the cooling water introduction part 128 the cylinder block 53.Afterwards, make cylinder head 52 cooling and its cooling water drained into the outside from cooling water leading-out portion 121.Though the cooling water of being discharged flows into the inlet hole 147 of radiator 129 or the 1st introduction part 141 of thermostat 130, but, temperature at described cooling water is lower than under the situation of set point of temperature, owing to closed the 2nd introduction part 142 by thermostat 130, therefore, cooling water does not pass through radiator 129 and coolant return pump 125, be higher than at cooling water temperature under the situation of specified value, thermostat 130 cuts out the 1st introduction part 141, cooling water is after radiator 129 heat releases, from the 2nd introduction part 142 coolant return pumps 125 and circulate.
Like this, the introducing port (cooling water introduction part 128) of cooling water that is used for cooling cylinder lid 52 is not owing to be formed in cylinder head 52, and is formed on the cylinder block 53, therefore, in the design freedom around improving cylinder head 52, can effectively utilize cylinder block 53 wasted space on every side.In addition, also can from Fig. 4 etc., understand because described cooling water introduction part 128 is arranged on the front end of cylinder block 53, promptly cylinder head 52 near, therefore, can shorten whole cooling water introduction channel 140, so, can weight reduction, and, manufacture cost can be reduced.In addition, also be easy to carry out the processing of the cooling water introduction channel 140 in the cylinder block 53.
In addition, described apparatus for supplying cool water 120 is concentrated the right sides that are arranged on Power Component 16, radiator 129 is contained in be installed in the radiator box 152 and radiator box 153 on the right part of right side case halfbody 54a.At this moment, compare with radiator fan 85, radiator 129 is provided with deflection in the car body outside, and thermostat 130 is arranged on the place ahead and the downside of radiator 129 in side view.In addition, the part of cooling waterpump 125 and thermostat 130 and radiator 129 (radiator box 152) is provided with in mode overlapping in side view.
Therefore, the sidepiece owing at crankcase 54 can be provided with cooling waterpump 125 in the position near bent axle 58, therefore, be easy to utilize the driving force of bent axle 58.In addition,, therefore, can effectively utilize wasted space, and realize overall compact owing in the space that can between radiator 129 (radiator box 152) and cylinder block 53 float chambers 54, form cooling waterpump 125 and thermostat 130 are set.Equally, by thermostat 130 (thermostat lid 130a) is arranged between cylinder block 53 and the connecting rod assembly department 48, can improve space efficiency.In addition, by thermostat 130 being arranged on the below of radiator 129, air (bubble) is difficult to be trapped in the described thermostat 130.In addition, because the 2nd S of thermostat chamber that will be communicated with the 2nd introduction part 142
2Be arranged on the line L that extends from exhaust port 148 upper end edge substantially horizontals
1The below, therefore, air (bubble) is difficult to be trapped in the 2nd S of thermostat chamber
2In.In addition, by making the axis L of thermostat 130
2Tilt with respect to vertical direction, thereby can shorten the height of thermostat 130, simultaneously, can determine the position of air trapping in the inside of thermostat 130 arbitrarily, and, can be provided for the passage of exhausting air in this position, thus exhausting air effectively.
By apparatus for supplying cool water 120 is concentrated the right side that is arranged on Power Component 16, be arranged on the right side thereby water-cooling tube (the 1st～the 3rd water-cooling tube 144,146a, 146b) also can be concentrated.In addition, because as shown in figure 11, these water-cooling tubes and cooling water inflow and the cooling water leading-out portion 121, inlet hole 147, tap hole 148 and the cooling water introduction part 128 that flow out form trapezoidal in side view, therefore, are easy to assembling and maintenance water-cooling tube.By this structure, can shorten cooling water and not pass through radiator 129 and the length of circuit bypass flow path (the 3rd water-cooling tube 146b).
At this moment; because the 3rd water-cooling tube 146b by branched portion 145 fork roughly extends straight down and link to each other with water-cooling tube joint 141a (the 1st introduction part 141) in being formed on thermostat lid 130a; therefore; the 3rd water-cooling tube 146b and from least a portion of the outwardly directed water-cooling tube joint of thermostat lid 130a 141a side view, cover and protection by radiator box 152.Equally, the 2nd introduction part 142 of the tap hole 148 of radiator 129 and thermostat 130 is formed on the position overlapped place in side view, therefore, connects the connecting tube 149 of these parts by radiator box 152 protections.
In the motor shown in the present embodiment 50, except that above-mentioned apparatus for supplying cool water 120, the O of the oxygen concentration that detects the exhausting air in the exhaust port 61 is housed also in cylinder head 52
2Sensor 116 and measure the cooling-water temperature sensor 119 of the cooling water temperature in the water jacket 122 is installed the O of these sensors 116,119
2Sensor mounting hole 116a and cooling-water temperature sensor mounting hole 119a are identical with cooling water leading-out portion 121, are formed on the right side of Power Component 16.In addition,, the axis of these mounting holes 116a, 119a and cooling water be provided with because deriving the axis almost parallel of passage 121a, therefore, as shown in Figure 5, cooling water leading-out portion 121, O
2Sensor 116 and cooling-water temperature sensor 119 almost parallels extend.Therefore, can easily carry out the installation of these sensors 116,119, and, when being installed in the 1st water-cooling tube 144 grades on the cooling water leading-out portion 121,, therefore, be easy to carry out assembling work owing to can carry out operation from a side (right side) of motor 50.
Claims (5)
1. apparatus for supplying cool water, it is used for cooling water with cooled engine and is supplied to and is formed on described in-engine water jacket, it is characterized in that having:
Crankcase, it is used to support the bent axle that drives by described engine rotation;
Cooling waterpump, it pressurizes to discharge cooling water by the drive force of described bent axle generation and to described cooling water;
Radiator, it is arranged on described crankcase sidepiece and carries out described cooling water heat release;
Thermostat, it is arranged in the path between described radiator and the described cooling waterpump, and in the temperature of described cooling water during greater than specified value, make described cooling water flow into described radiator, and in the temperature of described cooling water during smaller or equal to specified value, make cooling water walk around described radiator, wherein
Described cooling waterpump is arranged on the side of described crankcase,
Described thermostat is arranged in the space between described cooling waterpump and the described radiator.
2. apparatus for supplying cool water according to claim 1 is characterized in that: have the radiator fan of the described radiator of cooling in the end of described bent axle,
Shown in the side time, described thermostat is arranged on the place ahead and the below of described radiator fan.
3. apparatus for supplying cool water, it is used for cooling water with cooled engine and is supplied to and is formed on described in-engine water jacket, it is characterized in that having:
Radiator, it is arranged on described motor sidepiece and carries out the heat release of described cooling water;
Radiator box, it covers described radiator;
Cooling waterpump, it pressurizes to discharge cooling water to described cooling water;
Thermostat, it is arranged in the path between described radiator and the described cooling waterpump, and during greater than specified value, makes cooling water flow into described radiator in the temperature of described cooling water, and during smaller or equal to specified value, make cooling water walk around described radiator in the temperature of described cooling water;
The thermostat lid, it covers described thermostat, wherein,
Cover formation water-cooling tube joint at described thermostat, this joint links to each other with the bypass passageways that the cooling water of walking around described radiator flows through,
Shown in the side time, at least a portion of described water-cooling tube joint and described radiator box is overlapping.
4. apparatus for supplying cool water according to claim 3, it is characterized in that: shown in the side time, at least a portion of described radiator and described thermostat lid is overlapping, described radiator with described thermostat lid position overlapped place, form the tap hole of discharging described cooling water
Has the connecting tube that connects in described tap hole and the described thermostat lid.
5. according to any described apparatus for supplying cool water in the claim 1～4, it is characterized in that: described thermostat utilization is arranged on inner valve body, but freely openable ground is the 1st thermostat chamber and the 2nd thermostat chamber with described internal separation, simultaneously, have respectively and the described the 1st the 1st introduction part that links to each other with the 2nd thermostat chamber and the 2nd introduction part
Described the 1st introduction part and the 2nd introduction part vertically are positioned at and described the 1st thermostat chamber and the position more than the 2nd thermostat chamber upper end equal height.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004375393A JP4431032B2 (en) | 2004-12-27 | 2004-12-27 | Cooling water supply device |
| JP375393/2004 | 2004-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1796738A true CN1796738A (en) | 2006-07-05 |
| CN1796738B CN1796738B (en) | 2011-09-07 |
Family
ID=36736789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510134505 Active CN1796738B (en) | 2004-12-27 | 2005-12-08 | Cooling water supply apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4431032B2 (en) |
| CN (1) | CN1796738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362623A (en) * | 2012-04-10 | 2013-10-23 | 现代自动车株式会社 | Engine cooling system, electronic thermostat control system and control method for the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4922080B2 (en) * | 2006-09-20 | 2012-04-25 | 本田技研工業株式会社 | Vehicle-mounted internal combustion engine with exhaust duct |
| JP2013068161A (en) * | 2011-09-22 | 2013-04-18 | Yamaha Motor Co Ltd | Saddle-type vehicle |
| KR102277081B1 (en) * | 2020-04-13 | 2021-07-14 | (주)모토닉 | Fuel supply structure of high pressure pump for LPDI automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4405028B2 (en) * | 2000-03-02 | 2010-01-27 | 本田技研工業株式会社 | Engine cooling system |
| JP4522018B2 (en) * | 2000-07-18 | 2010-08-11 | 本田技研工業株式会社 | Internal combustion engine cooling structure |
-
2004
- 2004-12-27 JP JP2004375393A patent/JP4431032B2/en active Active
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2005
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362623A (en) * | 2012-04-10 | 2013-10-23 | 现代自动车株式会社 | Engine cooling system, electronic thermostat control system and control method for the same |
| CN103362623B (en) * | 2012-04-10 | 2017-08-18 | 现代自动车株式会社 | Engine-cooling system, electronic thermostat control system and its control method |
| US9759121B2 (en) | 2012-04-10 | 2017-09-12 | Hyundai Motor Company | Engine cooling system, electronic thermostat control system and control method for the same |
| US10400661B2 (en) | 2012-04-10 | 2019-09-03 | Hyundai Motor Company | Engine cooling system, electronic thermostat control system and control method for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1796738B (en) | 2011-09-07 |
| JP4431032B2 (en) | 2010-03-10 |
| JP2006183488A (en) | 2006-07-13 |
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