JP3807218B2 - Motorcycle windshield device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a windshield device for a motorcycle having a front body covered with a front cowling, and more particularly to a windshield device for a motorcycle such as a scooter type vehicle having a wind screen.
[0002]
[Prior art]
Some motorcycles of this type are provided with a transparent wind screen above a front cowling as a front cover that covers the vehicle body from the front, and this wind screen improves wind protection during driving. This windscreen is formed in a streamlined shape in order to eliminate the influence of traveling wind as much as possible, and various devices are applied to the windscreen in order to improve wind protection during traveling.
[0003]
Some wind screens have a larger wind screen or a reverse warp at the upper end of the wind screen in order to further improve wind protection during driving.
[0004]
However, if the windscreen is enlarged or if the upper end of the screen is warped, the protection area against the wind will spread, but negative pressure will be generated behind the windscreen, and the wind will be entangled from the surroundings and turbulent flow will occur. It can also be uncomfortable to cause the rider to be pulled forward by negative pressure generated behind the windscreen.
[0005]
For this reason, in conventional motorcycles, as shown in Japanese Patent Application Laid-Open Nos. 10-23453 and 11-245868, an air guide opening is opened below the wind screen, and the traveling wind that has flowed in from the air guide port is passed through the wind screen. There is something that was led to the back side of.
[0006]
FIG. 15 shows an example in which the air guide port 3 is provided above the front cover 2 at the lower end of the windscreen 1 of the motorcycle. As shown in FIG. 16, the air guide port 3 is opened at the lower end of the wind screen 1, and the traveling wind introduced from the air guide port 3 is guided to the back side (back side) of the wind screen 1 by the meter panel 4. There is a technique in which the backside negative pressure of the windscreen 1 is reduced by letting it escape from the backside of the screen upward. Reference numeral 5 denotes a headlamp assembly.
[0007]
[Problems to be solved by the invention]
As in the case of a conventional motorcycle, a wind guide port 3 is opened at the lower part of the wind screen 1 and the traveling wind is guided from the wind guide port 3 to the back side of the wind screen, so that the negative pressure on the back side of the wind screen 1 is eliminated. However, since the flow path 6 of the traveling wind introduced from the air guide port 3 is formed in a continuous streamline shape that rises smoothly along the back side of the windscreen 1, At the same time, rainwater is likely to invade, and when traveling in cold seasons such as winter, cold winds enter during traveling and there is a risk that the cold wind may directly hit the rider's face.
[0008]
The present invention has been made in consideration of the above-mentioned circumstances, and prevents negative pressure from being generated on the back side of the windscreen during driving to improve wind protection, and it is possible to prevent rainwater from entering the back side of the windscreen. It is an object of the present invention to provide a windshield device for a motorcycle that is prevented and improved in operability.
[0009]
Another object of the present invention is to provide a gas-liquid separation that removes rainwater from the traveling wind while ensuring that the traveling wind blown out from the air outlet is well ventilated and reliably preventing negative pressure on the back side of the windscreen. The object is to provide a windshield device for a motorcycle with improved efficiency.
[0010]
Still another object of the present invention is to effectively prevent the occurrence of turbulent flow on the back side of the windscreen, prevent the wind from being caught and suppress rider discomfort, and improve steering stability. To provide a windshield device for motorcycles.
[0011]
Another object of the present invention is to provide a windshield device for a motorcycle that improves wind protection by an openable / closable shutter provided in a wind guide passage for traveling wind from a wind guide opening, and reliably prevents entry of cold wind, rainwater, and the like. In offer.
[0012]
Still another object of the present invention is to improve the maintainability of the headlamp and the like, to prevent foreign matters such as dust from falling in the air guide passage, to prevent the shutter from being deformed and rattling by the traveling wind, and to operate the shutter. An object of the present invention is to provide a windshield device for a motorcycle with improved performance.
[0013]
[Means for Solving the Problems]
The present invention Motorcycles related to In order to solve the above-described problem, the windshield device of the present invention is provided with a front cowling that covers the front portion of the vehicle body from the front as described in claim 1, a windscreen is installed above the front cowling, and a windscreen is provided. In a windshield device for a motorcycle in which a meter panel such as a speedometer is arranged on the back side of the screen, an air inlet for introducing running wind is opened on the front surface of the front cowling, and the air inlet is connected to the meter panel. beneath Communicating with the air outlet that is formed at the front base and opens toward the back of the windscreen And A shutter capable of opening and closing the opening at the air outlet On the other hand, the meter panel is configured by combining a front meter panel on the front side facing with a gap on the back side of the windscreen and a rear meter panel on the rear side on which various meters such as a speedometer are installed, A sliding guide path is formed between the front panel and the rear meter panel, and the shutter is slid along the sliding guide path so as to be opened and closed. Is.
[0014]
Further, in order to solve the above-described problems, the present invention Motorcycles related to The windshield device according to claim 2. As above A plurality of comb-like or lattice-like louvers are provided in parallel to the sliding direction of the shutter at the air outlet formed in the meter panel, and at least one of the louvers is configured to be slidable on the surface of the shutter. is there.
[0015]
Furthermore, in order to solve the above-described problems, the present invention Motorcycles related to Windshield device Claim 3 The operation knob for sliding the shutter is provided on the collar portion of the meter panel so as to be slidable in the vertical direction, and the shutter is slid open and closed by the sliding operation of the operation knob. 5, the shutter is slidably held between the back surface of the meter panel and a slide guide member installed opposite to the meter panel, and the slide guide member extends from the air guide port to the outlet. It is constructed integrally with the connecting portion of the duct that constitutes the air guide passage.
[0016]
The present invention Motorcycles related to In order to solve the above-mentioned problems, Claim 5 A front cowling that covers the front of the vehicle body from the front is provided, and a wind screen is installed above the front cowling, and a meter panel with speedometers and other meters attached to the back of the wind screen In the installed windshield device for a motorcycle, an air guide opening for introducing running wind is opened on the front surface of the front cowling or below the wind screen, while a screen back side passage is formed between the wind screen and the meter panel. , Facing the air outlet formed at the front base of the meter panel to the back channel, and communicating the air guide port and the air outlet via the reversal channel of the traveling wind, While running air is introduced backwards from the air guide opening of the forward opening to the rear of the meter panel, the running air is blown forward from the air outlet at the front base of the meter panel toward the front screen back side flow path. Was Is.
[0017]
Further, in order to solve the above-described problems, the present invention Motorcycles related to Windshield device Claim 6 As described above, the windscreen portion corresponding to the air outlet of the meter panel is projected forward of the vehicle from the extended surface of the front cowling, and the windscreen is directed rearward and upward from the projected portion to form a smooth streamline shape. Formed, and Claim 7 As described above, the reversal flow path of the traveling wind is constituted by an intake duct installed between the air guide port and the outlet, and this intake duct is detachably provided.
Furthermore, in order to solve the above-described problem, the scooter type motorcycle according to the present invention is Claim 8 As described above, a leg shield, a front cowling disposed above the leg shield, a headlamp assembly disposed at a front lower portion of the front cowling, and disposed at an upper portion of the front cowling. In a scooter type motorcycle in which a vehicle front portion is formed by a wind screen and a meter panel arranged on the back of the wind screen, and an air guide opening is opened in the front cowling, The meter panel is configured by combining a front meter panel and a rear meter panel, The air inlet is located above the headlamp assembly, and the traveling air introduced from the air inlet is routed through the lower part of the meter panel. Toward the screen back side flow path formed between the back of the windscreen and the meter panel In a nearly S shape Flowing It is comprised as follows.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of a windshield device for a motorcycle according to the present invention will be described with reference to the accompanying drawings.
[0019]
1 and 2 are a side view and a plan view showing an embodiment of a scooter type motorcycle to which the windshield device of the present invention is applied.
[0020]
This scooter type motorcycle is generally indicated by reference numeral 10, and the entire body frame 11 is covered with a frame cover 12 as a body cover. The front portion of the body frame 11 has a front wheel 14 that is steered by a handle 13, while the rear wheel 15 is driven by a unit swing type engine 16 that constitutes a power unit. The unit swing type engine 16 is attached to the center lower part of the vehicle body frame 11 so as to be swingable in the vertical direction, and a rear wheel 15 is rotatably supported at the rear end thereof.
[0021]
Above the unit swing type engine 16, a driver's seat 17 and a passenger's seat 18 are integrally provided long in the vehicle front-rear direction. The driver's seat 17 and the passenger's seat 18 are formed in a stepped shape so as to become higher toward the rear of the vehicle, and a driver's backrest 19 is formed between the two seats 17, 18. Supports the lower back.
[0022]
On the other hand, between the handle 13 and the driver's seat 17 is curved in a U-shape to form a curved portion 20, which makes it easy for the driver to get on and off the step board on both sides of the U-shaped curved portion 20. 21 is provided. A leg shield 22 is integrally formed on the front side of the step board 21 as shown in FIGS. 1 and 3.
[0023]
Above the leg shield 22, a front cowling 23 is provided as a front body cover that constitutes a part of the frame cover 12. The front cowling 23 is attached to the vehicle body of the scooter type motorcycle 10 from the front, and is attached so as to cover the front portion of the vehicle body. A headlamp assembly 24 is provided in the lower front part of the front cowling 23, and an air inlet 25 is formed above the headlamp assembly 24 so as to open to the front. The traveling wind is guided from the air guide port 25 to an air guide passage which will be described later.
[0024]
A transparent wind screen 26 is provided on the upper portion of the front cover 23. The wind screen 26 forms a windshield, and its outer surface is formed in a streamline shape to reduce running resistance.
[0025]
The passenger seat 18 is formed at a position one step higher than the driver seat 17, while a passenger backrest 27 is provided at the rear of the passenger seat 18. Passenger footrests 28 are provided on the left and right sides of the front lower portion of the passenger seat 18. Further, a pillion rider handle 30 having a passenger grip is provided on the left and right sides of the passenger seat 18 slightly on the rear side.
[0026]
The pillion rider handle 30 is formed as a strength member that also serves as a reinforcement made of resin such as reinforced plastic or metal. As shown in FIGS. 2 and 4, the pillion rider handle 30 protrudes slightly from the frame cover 12 to both sides in the vehicle width direction, and a handle grip portion is provided in the middle of the pillion rider handle 30. The pillion rider handle 30 is attached so as to rise obliquely upward toward the rear, and when a passenger (pillion rider) gets on the passenger seat 18, the legion of the pillion rider is supported and guided. A part of the load of the rider is borne by the pillion rider handle 30.
[0027]
The passenger backrest 27 supports the waist of a pillion rider (passenger), and is provided on the front surface of the seesieber 31 that rises upward from the rear end of the passenger seat 18. The seesieber 31 is composed of a metal reinforcing plate that constitutes a physical strength member. The seesieber 31 is made of, for example, aluminum die cast, and a rear carrier 32 is detachably attached to the back side of the seesieber 31.
[0028]
The vehicle front portion of the scooter type motorcycle 10 is configured as shown in an enlarged manner in FIG.
[0029]
A wind screen 26 is connected above a front cowling 23 serving as a front body cover that covers the front of the vehicle from the front. The wind screen 26 extends from the extension line of the cover surface of the front cowling 23 or the extension surface 35 to the front side of the vehicle. Consists of a smooth curved bulge structure that bulges. The wind screen 26 has a structure in which a screen convex portion 36 bulging forward is formed in a central region in a curved shape, and the screen convex portion 36 extends rearward and upward in a streamline shape in the longitudinal direction of the screen. ing.
[0030]
On the back side of the wind screen 26, a meter panel 37 is installed at an interval. The meter panel 37 is configured by combining a front meter panel 38 and a rear meter panel 39 as shown in FIGS. Various meters 40 such as a speedometer and a fuel gauge are installed on the meter panel 37.
[0031]
On the other hand, a wind guide opening 25 is opened at the front center portion of the front cowling 23 constituting the front cover as shown in FIG. The air guide opening 25 is constituted by an air guide duct 43 formed integrally with the front cowling 23. In the air guide duct 43, the air guide port 25 is reinforced by a lattice-shaped or labyrinth-shaped guide portion 44, and the guide portion 44 rectifies the traveling wind.
[0032]
An intake pipe or a duct 45 curved in a U shape, a dogleg shape, an arc shape, or an elbow shape is connected to the duct downstream side of the air guide duct 43. The outflow side of the intake pipe 45 is fitted into a duct-shaped pipe holder 46 so that the intake pipe 45 is detachably held. The intake pipe 45 has a traveling wind reversing channel 48 formed therein, and reverses the direction of the traveling wind introduced from the air inlet 25 and guides it from the outlet 47 to the back channel 49 of the wind screen 26. ing. A pipe holder 46 for holding the intake pipe 45 is detachably attached and fixed to the lower part of the meter panel 37.
[0033]
The pipe holder 46 is formed in a duct shape corresponding to the intake pipe 45. An air outlet 47 is formed in the pipe holder 46, and the air outlet 47 is located at the lower part (front base) of the corresponding meter panel 37. And the running wind which passed through the reverse flow path 48 from this blower outlet 47 is blown off by the back side lower part of the windscreen 26. As shown in FIG.
[0034]
The traveling wind blown from the outlet 46 of the meter panel 37 to the lower part of the back side or the back side of the wind screen 26 is a screen back side flow path 49 formed between the wind screen 26 and the front panel 38 of the meter panel 37. Guided through. At that time, a portion of the wind screen 26 corresponding to the air outlet 46 of the meter panel 37 bulges forward of the extended line 35 on the cover surface of the front cowling 23 to form a screen convex portion 36. The screen convex portion 36 that bulges forward is formed in a streamlined shape from the protruding portion toward the rear upper side of the wind screen 26, so that the screen back-side flow path 49 is stably on the back side of the wind screen 26. It is formed with a sufficient flow path area.
[0035]
The screen back-side flow path 49 also continuously extends in a streamline shape from the air outlet 47 at the lower part of the meter panel 37 along the back side of the wind screen 26, and opens upward from the upper end of the flange portion 37a of the meter panel 37. Has been. Thus, the traveling wind blown out from the air outlet 47 is guided to the back side of the wind screen 26 and effectively and beforehand prevents negative pressure from being generated on the back side of the wind screen 26 during traveling.
[0036]
In addition, the traveling wind that has flowed in from the air guide port 25 of the front cowling 23 is reversed from the air guide duct 43 by the intake pipe or the duct 45 and guided to the pipe holder 46, and from the lower outlet 47 of the meter panel 37 to the wind screen 26. Guided to the back channel 49. In this manner, an overall S-shaped air guide channel 50 is formed in the front cowling 23 from the air guide port 25 to the back channel 49 of the wind screen 26.
[0037]
By guiding the traveling air to the S-shaped air guiding channel 50, the traveling air passing through the air guiding channel 50 is subjected to centrifugal force, so that gas-liquid separation is effectively and efficiently performed. For this reason, even in rainy weather, rainwater is reliably separated and removed from the traveling wind, and only the traveling wind from which the rainwater has been removed is guided to the back side of the windscreen 26, which causes discomfort to the rider who is traveling. Can be prevented.
[0038]
In addition, by guiding the traveling wind from which rainwater and dust are reliably removed to the back side of the wind screen 26, negative pressure on the back side of the wind screen 26 can be effectively prevented. Since the generation of negative pressure can be prevented, it is possible to effectively prevent the running wind from being wound around the back side of the wind screen 26, so that the generation of turbulence on the back side of the wind screen 26 can be prevented.
[0039]
An intake pipe 45 installed between the air guide duct 43 and the pipe holder 46 of the front cowling 23 is detachably held. By removing the duct-shaped pipe holder 46 shown in FIG. 8, the intake pipe 45 can be easily removed, and maintenance and maintenance work of the headlamp assembly 24 can be easily performed. The intake pipe 45 does not get in the way during headlamp maintenance, and maintainability can be improved.
[0040]
Further, as shown in FIG. 8, a meter panel 37 to which various types of meters are attached is a combination of a front meter panel 38 and a rear meter panel 39, and is assembled by fastening means 53 such as fastening screws (tightening bolts). It is. A sliding guide path 62 for guiding the sliding shutter 54 is formed between the back side of the meter panel 37 and the front meter panel 38 and the rear meter panel 39 of the panel collar 37a.
[0041]
As shown in FIG. 7, the front lower portion of the front meter panel 38 extends forward and downward from the front lower portion of the rear meter panel 39 to form a front base portion. The front base portion has an air outlet 47 formed on both sides thereof. A mounting portion 55 is formed. The mounting portion 55 is fastened together with a corresponding mounting portion 56 of the rear meter panel 39 together with a mounting bracket (not shown) in front of the vehicle body.
[0042]
The front meter panel 38 and the rear meter panel 39 are curved in the form of an arc or a curved surface in the vehicle width direction on the front side, and are also curved in the form of an arc or curved surface in the vertical direction perpendicular to the vehicle width direction. The front side of the screen is formed in a smooth convex (bulged) curved surface shape.
[0043]
A blow-out port 47 formed at the front lower portion of the front meter panel 38 is integrally formed with a blow-out louver 58 having a comb-tooth shape or a vertical lattice shape, and the blow-out port 47 is reinforced by the blow-out louver 58. The blowing louver 58 extends in parallel with the sliding direction of the sliding shutter 54, and imparts a rectifying action to the traveling wind.
[0044]
Of the louvers 58 formed at the air outlet 47, the louvers 58a, 58b, and 58c at the center and the left and right sides slightly protrude toward the sliding shutter 54 as shown in FIG. The blowout louvers 58a, 58b, 58c that can come into contact with the slide type shutter 54 are formed with arcuate tips, and the contact area with the shutter 54 is reduced to guide the sliding smoothly, while the blowout louvers 58a-58c. A tip end of the guide rail 60 forms a guide rail 60 that guides the sliding of the shutter 54. The guide rail 60 is formed integrally with the blowing louvers 58a, 58b, and 58c.
[0045]
By providing a comb-like or lattice-like louver 58 (58a, 58b, 58c) at the outlet 47 at the bottom of the meter panel 37, it is possible to prevent deformation and rattling of the shutter 54 due to the wind pressure of the traveling wind. The frictional resistance with the panel 37 is reduced, and the operability of the sliding shutter 54 is improved.
[0046]
A guide rail 61 is also formed on the mounting arm 59 of the duct-shaped pipe holder 46 corresponding to the guide rail 60 formed at the air outlet 47, and the sliding shutter 54 slides between the both guide rails 60, 61. A guide path 62 is formed. Similarly to the guide rail 60 on the front meter panel 38 side, this guide rail 61 is rounded at the tip and formed into an arc shape, reducing the contact area with the sliding shutter 54 and reducing sliding friction.
[0047]
Further, the mounting arm 59 of the duct-shaped pipe holder 46 extends upward from the left and right sides of the pipe holder 46, and a mounting portion 59 a is provided on the free end side of the mounting arm 59. The attachment portion 59a of the attachment arm 59 is fixed to the attachment seat of the front meter panel 38 by fastening means such as fastening bolts (tightening screws). Engaging means 63 is provided in the middle of the mounting arm 59 as shown in FIG. The engaging means 63 is integrally provided with an engaging protrusion 63a protruding outward from the mounting arm 59, and this engaging protrusion 63a is formed in an engaging groove or an engaging hole 63b formed in the mounting bracket 64 of the front meter panel 38. It is configured to be engaged with one touch.
[0048]
Further, as shown in FIGS. 9 and 10, the pair of left and right mounting arms 59 provided on the duct-shaped pipe holder 46 are formed in an L-shaped cross section, and between the rear surface (rear surface) and the front meter panel 38. A sliding guide path 62 is formed. In this sense, the attachment arm 59 constitutes a slide guide member of the slide type shutter 54.
[0049]
The slide guide member has a structure in which the pipe holder 46 is integrally provided, and also serves as an attachment portion of the pipe holder 46. A sliding guide path 62 is formed between the back surface of the front guide panel 38 and the opposing guide arm surface 59b of the mounting arm 59 to guide and hold the sliding shutter 54, while the sliding shutter 54 is more slid. A rib-shaped guide rail 61 projects from the rib-shaped guide arm surface 59b of the mounting arm 59 so as to be smooth and smooth. The guide rail 61 extends along the sliding direction of the sliding shutter 54.
[0050]
On the other hand, the guide rail 60 formed on the louvers 58a, 58b, 58c of the front meter panel 38 and the guide rail 61 formed on the mounting arm 59 of the duct-like pipe holder 46 are rearward and upward along the front shape of the meter panel 37. The sliding shutter 54 extends parallel to the sliding direction of the sliding shutter 54 and guides the sliding shutter 54 as shown in FIG. A sliding guide path 62 formed between the guide rails 60 and 61 also extends rearward and upward along the front surface shape of the flange portion 37a of the meter panel 37, and communicates between the front meter panel 38 and the rear meter panel 39. So as to extend.
[0051]
Further, as shown in FIGS. 7 and 8, the sliding shutter 54 has an operation portion 65 extending obliquely rearward and upward, and a tip end side thereof is engaged with a boss portion 67 of the operation knob 66. As shown in FIGS. 8 and 11, the operation knob 66 is assembled by fastening means 69 such as a fastening screw so that the flange portion of the rear meter panel 39 is sandwiched between two flanged knob pieces 68a and 68b. In the operation knob 66, an operation knob is formed on one knob piece 68a, and a boss portion is formed on the other knob piece 68b.
[0052]
The operation knob 66 is slidable along a long hole (operation hole) 70 formed in the vertical direction at the center of the collar portion of the rear meter panel 39, and the shutter 54 is slidably guided by manual operation of the operation knob 66. Directly operated to slide along the path 62, the air outlet 47 can be opened and closed. FIG. 7 shows the closed state of the sliding shutter 54, and FIG. 12 shows the opened state. In order to slide the shutter 54, a complicated slide operation mechanism such as a link mechanism or an actuator becomes unnecessary, and the opening and closing of the shutter 54 is smooth and no failure occurs.
[0053]
On the other hand, as shown in FIG. 11, the sliding shutter 54 is sandwiched between the front meter panel 38 and the rear meter panel 39, and guides the front and back surfaces of the shutter 54 from both sides. By providing rib-shaped guide rails 71 and 72 opposite to the front meter panel 38 and the rear meter panel 39, the operation unit 65 of the sliding shutter 54 is guided without rattling. At this time, the front meter panel 38 is provided with a pair of spacer ribs 73 that maintain a distance from the rear meter panel 39, and the spacer rib 73 also prevents the operation portion 65 of the sliding shutter 54 from swinging left and right in the vehicle width direction. It is preventing. The spacer ribs may be formed on the rear meter panel 39 side.
[0054]
In addition, the knob pieces 68 a and 68 b of the operation knob 66 are subjected to uneven processing on the flange surfaces facing each other through the rear meter panel 39. The convex and concave ridges formed on the opposing flange surfaces of the knob pieces 68a and 68b extend in the longitudinal direction of the sliding guide groove 62, that is, in the sliding direction of the shutter 54 to reduce the sliding resistance, so that the operation knob 66 is smooth. It is configured to be slid. Rib-shaped guide rails 72 and 72 formed on the rear meter panel 39 guide the lateral movement of the operation knob 66 during sliding.
[0055]
Thus, the panel surfaces are reinforced by the guide rails 71 and 72 and the spacer ribs 73 formed on the opposing panel surfaces of the front meter panel 38 and the rear meter panel 39, and the mechanical and physical strength is improved.
[0056]
Further, the rotation center Os associated with the sliding of the sliding shutter 54 and the rotation center On associated with the sliding of the operation knob 66 are, as shown in FIG. 13, the radius of curvature of the sliding guide path 62 and the radius of curvature of the rear meter panel 39. Different from the difference. Therefore, in order to absorb the relative displacement between the operation knob 66 and the sliding shutter 54 due to the difference between the rotation centers Os and On, the operation portion 65 of the shutter 54 is freely attached to the boss portion 67 of the operation knob 66, and the shutter 54 The operation portion 65 is engaged with a boss portion 67 of the operation knob 66 so as to be slidable in the axial direction.
[0057]
In this windshield device for a motorcycle, an intake duct (pipe) 45 connected to the air guide duct 43 of the air inlet 25 is curved in an elbow shape or the like, and the direction of the traveling wind introduced by the intake duct 45 is reversed. Therefore, the rainwater that has entered from the air inlet 25 can be separated and removed by the centrifugal force action, and the rainwater can be prevented from being blown out from the blowout port 47 to the screen back-side channel 49.
[0058]
In addition, a sliding shutter 54 is provided on the upstream side of the air outlet 47, and the direction of the traveling wind introduced also in the vicinity of the upstream and downstream of the shutter 54 is changed, so that the gas-liquid separation of the traveling wind is more accurate and reliable. Can be done.
[0059]
In the embodiment of the present invention, an example in which the present invention is applied to a scooter type motorcycle has been shown. However, the present invention can also be applied to a motorcycle other than a scooter type vehicle, and is also applied to a three- or four-wheeled vehicle such as an open car. it can.
[0060]
In the embodiment of the present invention, an example is shown in which a wind guide port is formed in the front cowling that covers the front of the vehicle body of the scooter type motorcycle. However, the wind guide port may be located below the wind screen or in the wind screen. It may be formed between the screen and the front cowling.
[0061]
【The invention's effect】
In the windshield device for a motorcycle according to the present invention, the traveling wind introduced from the wind guide port is guided to the back-side flow path of the wind screen so that negative pressure is generated on the back side of the wind screen in a sure and reliable manner. As a result, the wind protection can be improved and the rider can be prevented from feeling uncomfortable while driving, while the sliding shutter can be provided to reliably prevent rainwater and cold wind from entering the back of the windscreen.
[0062]
In addition, the windshield device for a motorcycle according to the present invention guides the traveling wind introduced from the air guide port from the blowout port to the back-side flow path of the windscreen, so that the running wind blown out from the blowout port is improved. Thus, it is possible to effectively prevent the turbulent flow from occurring on the back side of the wind screen, and prevent the wind from being caught in advance, thereby improving the driving stability of the rider.
[0063]
Further, in the windshield device for a motorcycle according to the present invention, since the sliding shutter can be directly operated by the operation knob, the shutter sliding operation mechanism is simplified and no failure occurs, while the shutter opening / closing operation is performed. Can be performed stably and smoothly with the operation knob.
[0064]
In addition, since sliding of the sliding shutter is guided to the comb-like or lattice-like louvers, the contact area with the shutter is reduced even during the sliding operation of the shutter, and the shutter is not deformed even if the contact area is reduced. It can be guided smoothly without causing any rattling, and the sliding operability can be improved by reducing the frictional resistance with the meter panel.
[0065]
Furthermore, since the air inlet formed below the front cowling and the windscreen and the air outlet formed at the front base of the meter panel are communicated with each other through the reversing flow path of the traveling air, the traveling air introduced from the air inlet is The direction is changed while passing through the reversing flow path, so that the gas-liquid separation is performed positively and efficiently, and rain water can be prevented from entering the back flow path of the windscreen in advance.
[Brief description of the drawings]
FIG. 1 is an overall side view of a scooter type motorcycle, showing an embodiment of a windshield device for a motorcycle according to the present invention.
2 is a plan view of the scooter type motorcycle shown in FIG. 1. FIG.
FIG. 3 is a front view of the scooter type motorcycle shown in FIG. 1;
4 is a rear view of the scooter type motorcycle shown in FIG. 1. FIG.
FIG. 5 is an enlarged view showing a vehicle front portion of the scooter type motorcycle shown in FIG. 1;
6 is a perspective view showing a front cowling and a wind screen in the front portion of the scooter type motorcycle shown in FIG. 1. FIG.
FIG. 7 is a cross-sectional view showing a typical embodiment of a windshield device for a motorcycle according to the present invention.
8 is an exploded perspective view showing a meter panel installed on the back side of the wind screen shown in FIG. 7;
9 is a plan sectional view taken along line IX-IX in FIG.
10 is a plan sectional view taken along line XX of FIG.
11 is a plan sectional view taken along line XI-XI in FIG. 7;
12 is an enlarged partial cross-sectional view showing the positional relationship between the wind screen and meter panel shown in FIG. 7;
FIG. 13 is a diagram showing a positional relationship between the sliding shutter and the rotation center of the operation knob.
FIG. 14 is a front view of a motorcycle showing a conventional windshield device for a motorcycle.
15 is a plan sectional view taken along line XV-XV in FIG.
[Explanation of symbols]
10 Scooter type motorcycle
11 Body frame
12 Frame cover (Body cover)
13 Handle
14 Front wheel
15 Rear wheel
16 unit swing type engine
17 Driver's seat
18 Passenger seat
19 Driver's backrest
20 Curved part
21 Step board
22 Leg shield
23 Front cowling (front body cover)
24 Headlamp assembly
25 Air guide
26 Windscreen
27 Passenger backrest
28 Passenger footrest
30 Pillion rider handle
31 Shiseeba
32 Rear carrier
35 Extension line (or extension surface)
36 Screen convex part
37 Meter panel
38 Front meter panel
39 Rear meter panel
40 meters
43 Air duct
44 Guide member
45 Intake pipe (duct)
46 Pipe holder
47 Air outlet
48 Reversing channel
49 Dorsal channel
50 Air guide channel
53 Tightening means
54 Shutter
55, 56 Mounting part
58, 58a, 58b, 58c Outlet louver
59 Mounting arm (slide guide member)
60, 61 guide rail
62 Sliding guideway
63 Engagement means
64 Mounting bracket
65 Operation unit
66 Operation knob
67 Boss
68a, 68b Knob piece
69 Fastening means
70 long hole
71, 72 Guide rail
73 Spacer rib

Claims (8)

In a windshield device for a motorcycle in which a front cowling that covers the front of the vehicle body is provided from the front, a wind screen is installed above the front cowling, and a meter panel such as a speedometer is disposed on the back side of the wind screen.
Open a wind guide opening for introducing running wind to the front of the front cowling,
The air guide port is formed in the front base of the lower instrument panel are communicated with the outlet port opened toward the back side of the windscreen,
While providing a shutter capable of opening and closing the opening at the air outlet ,
The meter panel is configured by combining a front meter panel on the front side facing the back side of the wind screen with a gap and a rear meter panel on the rear side on which various meters such as a speedometer are installed,
A windshield device for a motorcycle , wherein a sliding guide path is formed between the front panel and the rear meter panel, and the shutter is slid along the sliding guide path so as to be opened and closed .   A plurality of comb-like or lattice-like louvers are provided in parallel to the sliding direction of the shutter at the air outlet formed in the meter panel, and at least one of the louvers is configured to be slidable on the surface of the shutter. Item 2. A windshield device for a motorcycle according to item 1.   The windshield device for a motorcycle according to claim 1, wherein an operation knob for sliding the shutter is provided on a collar portion of the meter panel so as to be slidable in a vertical direction, and the shutter is slid by a sliding operation of the operation knob.   While the shutter is slidably held between the back surface of the meter panel and a slide guide member installed opposite to the meter panel, the slide guide member is a duct that constitutes an air guide channel from the air guide port to the outlet. The windshield device for a motorcycle according to claim 1, wherein the windshield device is integrally formed with the connecting portion. A windshield for a motorcycle with a front cowling that covers the front of the vehicle body from the front, a wind screen installed above the front cowling, and a meter panel with a meter such as a speedometer attached to the back of the wind screen In the device
While opening a wind guide opening for introducing running wind to the front of the front cowling or below the windscreen,
The screen back side flow path is formed between the wind screen and the meter panel, and the air outlet formed at the front base of the meter panel is faced to the back side flow path.
The air guide port and the air outlet are communicated with each other through a reversing flow path of the running air, and the running air is introduced backward from the air guide port of the forward opening to the rear of the meter panel, while the air outlet of the front base of the meter panel A windshield device for a motorcycle, wherein the windshield device is formed so as to blow forward wind toward the screen rear side flow path from the front . Wherein a portion of the windscreen corresponding to the outlet of the meter panel is protruded toward the vehicle front from the extension plane of the front cowling, according to claim 5 which is formed from the projecting portion in a smooth streamlined shape towards the windscreen rearward and upward Windshield device for motorcycles. 6. The windshield device for a motorcycle according to claim 5 , wherein the reversing flow path of the traveling wind is constituted by an intake duct installed between the air guide opening and the air outlet, and the intake duct is detachably provided. A leg shield, a front cowling disposed above the leg shield, a headlamp assembly disposed at a front lower portion of the front cowling, a wind screen disposed at an upper portion of the front cowling, and the window In a scooter type motorcycle that forms a vehicle front part with a meter panel arranged on the back of the screen and has an air guide opening in the front cowling,
The meter panel is configured by combining a front meter panel and a rear meter panel,
The air inlet is located above the headlamp assembly, and the traveling wind introduced from the air inlet is passed through the lower part of the meter panel and is formed between the back surface of the wind screen and the meter panel. A scooter type motorcycle, characterized in that it is configured to flow in an approximately S-shape toward a road .

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