JP4939589B2 - Motorcycle, tricycle - Google Patents

Description

  The present invention relates to a motorcycle or a tricycle in which a handle support member that supports a bar handle is rotatably supported by a head pipe at a front end of a vehicle body frame, and a central portion of the bar handle is covered with a handle cover.

  Conventionally, as disclosed in, for example, the following patent document, a bar handle is fixedly attached to a handle support member that is rotatably supported by a head pipe of a vehicle body frame, and a handle cover that covers a central portion of the bar handle is provided. In general, the handle cover is attached to a bar handle via a cushion material for vibration-proofing.

JP-A-6-144324

  However, if the cushion material is interposed between the bar handle and the cover handle as in the conventional case, the handle cover is supported by the bar handle at a relatively large number of locations, so a large number of cushion materials are required and the number of parts is reduced. Will increase.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a motorcycle and a tricycle that can support a handle cover on a bar handle with a small number of parts while ensuring vibration isolation. To do.

In order to achieve the above object, according to the first aspect of the present invention, the handle support member for supporting the bar handle is rotatably supported by the head pipe at the front end of the vehicle body frame, and the central portion of the bar handle is the handle cover. A motorcycle or tricycle to be covered , wherein the handle cover includes a front cover that covers the bar handle from the front and a rear cover that covers the bar handle from the rear, and the front cover is positioned in front of the bar handle. And the rear cover is supported by the meter unit , and the bar handle is supported by the handle support member in a floating manner via a mount rubber disposed below the bar handle. its floating rearview mirror device and the handle cover to the bar handle in the supporting state is fixed, said Mae Unit is characterized in that it the front upper to the meter unit of and the mount rubber lies in front of the rear portion of the headlamp are arranged so as to be located.

According to such a configuration, since the bar handle is floatingly supported by the vehicle body frame, it is possible to ensure the vibration proofing of the handle cover fixed to the bar handle. In addition, since the mount rubber only needs to be interposed between the handle support member and the bar handle, the number of mount rubbers required is small even if the handle cover is fixed to the bar handle, and the number of parts is reduced. it is Ru can.

As described above, according to the present invention, it is possible to ensure the vibration proofing of the handle cover fixed to the bar handle so that the bar handle is floated and supported on the vehicle body frame via the mount rubber . Even if the handle cover is fixed to the bar handle with a relatively large number of parts, the number of mount rubbers required is small, and the number of parts can be reduced.

Side view of motorcycle 2 enlarged view of FIG. 3-3 sectional view of FIG. 4-4 enlarged sectional view of FIG. Sectional view along line 5-5 in FIG. 6-6 sectional view of FIG. Sectional view along line 7-7 in FIG.

  Embodiments of the present invention will be described below based on one embodiment of the present invention shown in the accompanying drawings.

  First, in FIG. 1, a front fork 17 that pivotally supports a front wheel WF is pivotally supported by a head pipe 16 provided at a front end of a body frame 15 of the motorcycle. A bar handle 18 is connected to the upper end of the front fork 17, and a front fender 19 that covers the front wheel WF is supported by the front fork 17. A rear fork 20 that pivotally supports the rear wheel WR is pivotally supported at an intermediate portion of the vehicle body frame 15, and a rear cushion 21 is provided between the rear portion of the vehicle body frame 15 and the rear fork 20.

  A power unit P including a water-cooled engine E and a transmission M is supported at an intermediate portion of the vehicle body frame 15, and the output of the transmission M is transmitted to the rear wheel WR via the chain 22.

  A radiator 24 supported by the engine body 33 and the vehicle body frame 15 of the engine E is disposed above the engine E, and an air cleaner 23 supported by the vehicle body frame 15 is disposed above the engine E, so that the transmission M The vehicle body frame 15 supports a fuel tank 25 disposed above the storage tank 26 and a storage box 26 disposed above the fuel tank 25 so that electrical components can be stored.

  An exhaust pipe 27 that guides exhaust gas from the engine E is connected to an exhaust muffler 28 disposed between the power unit P and the rear wheel WR.

  The front part of the body frame 15, the engine E, the air cleaner 23 and the radiator 24 are covered with a synthetic resin leg shield 29 attached to the body frame 15. The rear portion of the vehicle body frame 15, the fuel tank 25 and the storage box 26 are covered with a synthetic resin rear cover 30 attached to the vehicle body frame 15, and a rear fender 31 covering the rear upper portion of the rear wheel WR is connected to the rear cover 30. Established. A seat 32 is provided on the rear cover 30 so that the upper end opening of the storage box 26 can be opened and closed, and a driver can sit on the seat 32.

  Referring to FIGS. 2 and 3 together, the bar handle is provided with grips 34 and 35 at both left and right ends, and levers 36 and 37 that can be operated by a hand holding the grips 34 and 35 are provided at both left and right ends. 18 is covered with a handle cover 38 so that the grips 34 and 35 and the levers 36 and 37 protrude from both sides. The handle cover 38 is formed by mutually fastening a synthetic resin front cover 39 covering the bar handle 18 from the front side and a synthetic resin rear cover 40 covering the bar handle 18 from the rear side. .

  On the other hand, a handle support member 48 rotatably supported by the head pipe 16 is disposed above the head pipe 16 provided at the front end of the vehicle body frame 15, and the bar handle 18 is attached to the handle support member 48. Supported floating.

  Referring to FIGS. 4 and 5 together, the handle support member 48 is formed of an aluminum alloy having attachment holes 49 and 49 at two locations spaced in the width direction of the motorcycle. The head pipe 16 is rotatably supported by a steering shaft 50 having a lower end connected to the front fork 17. The upper end of the steering shaft 50 projecting upward from the head pipe 16 is connected to the mounting holes 49. , 49 is inserted into the handle support member 48 at the center, and the nut 52 is screwed into a bolt 51 passing through the steering shaft 50 and the handle support member 48 perpendicularly to the steering shaft 50 and tightened. The member 48 is fixed to the steering shaft 50, and the handle support member 48 is rotatably supported by the head pipe 16.

  Both mounting holes 49, 49 are provided on the handle support member 48 with an axis extending vertically, and projecting radially inward from the inner surface in the axial direction of the mounting holes 49, 49. The portions 49a are integrally formed.

  Mount units 53 and 53 disposed below the bar handle 18 are inserted into the mounting holes 49 above and below the flange 49a, respectively. In the mount unit 53, a cylindrical metal inner cylinder 55 is baked and fixed to the inner surface of a cylindrical mount rubber 54, and a cylindrical metal outer cylinder 56 is baked and fixed to the outer surface of the mount rubber 54. Thus, the axial lengths of the inner cylinder 55 and the outer cylinder 56 are set so that both ends of the inner cylinder 55 are positioned axially outward from both ends of the outer cylinder 56.

  These mounting units 53, 53... Are inserted into the mounting holes 49, 49 until one end of the outer cylinder 56 comes into contact with the flange portion 49a, and the outer ends of the inner cylinders 55, 55 are handled by the handle when inserted into the mounting hole 49. It protrudes above and below the support member 48, respectively.

  The mount shafts 57, 57 are inserted into the inner cylinders 55, 55 of the mount units 53, 53, respectively inserted into the mounting holes 49, 49, respectively, and the upper ends of the mount shafts 57, 57 are Of the pair of mount units 53, 53, it is insert-coupled to lower holders 58... That are cast and formed so as to be in contact with the upper end of the inner cylinder 55 provided in the upper mount unit 53.

  A semicircular fitting recess 60 is formed on the upper surface of the lower holder 58, and the lower half of the bar handle 18 is fitted into the fitting recess 60. The upper half of the bar handle 18 fitted in the fitting recess 60 is fitted into a semicircular fitting recess 61 formed on the lower surface of the upper holder 59, and bolts 62, When the lower holder 58 and the upper holder 59 are fastened together by 62, the bar handle 18 is fixedly connected to the mount shafts 57, 57.

  On the other hand, an annular stepped portion 57a facing downward is provided at the lower portion of the mount shaft 57, and a nut 64 is screwed to the lower end portion of the mount shaft 57 so that the cover support stay 63 is sandwiched between the stepped portion 57a. The cover support stay 63 is brought into contact with the lower end of the inner cylinder 55 provided in the lower mount unit 53 of the pair of mount units 53, 53. As a result, the bar handle 18 is floatingly supported at two places on the handle support member 48 via the mount rubbers 54, 54... Of the mount units 53, 53.

  Referring also to FIG. 6, cover support stays 63, 63 fixed to the mount shafts 57, 57 at two floating support portions to the handle support member 48 of the bar handle 18 are provided on the rear cover 40. The mounting bosses 65, 65 are sandwiched between the mounting bosses 66, 66 provided on the front cover 39 constituting the handle cover 38 in cooperation with the rear cover 40, and these mounting bosses 65, 65 Through-holes 67 are provided in the cover support stays 63 and 63 at portions corresponding to 66 and 66, respectively. Thus, the screw members 68 inserted into the mounting bosses 65, 65 and the insertion holes 67 of the cover support stays 63, 63 from the rear cover 40 side are screwed into the mounting bosses 66, 66 of the front cover 39. Thus, the handle cover 38 is fixed to the cover support stays 63 and 63, that is, the bar handle 18.

  A meter unit 77 is attached to an upper portion of the rear cover 40 of the handle cover 38, and a windscreen 41 having translucency is disposed in front of the meter unit 77, and the windscreen 41 has the front portion. The cover 39 and the rear cover 40 are supported by the handle cover 38 so that the lower end portion is sandwiched between the cover 39 and the rear cover 40.

An opening 42 is provided in the center of the front surface of the front cover 39 in the handle cover 38, and a headlamp 43 disposed in the opening 42 and positioned in front of the bar handle 18 is irradiated in the vertical direction. It is supported by the front cover 39 so that the direction can be adjusted. A pair of left and right blinkers 44, 44 are provided on the front cover 39 on both the left and right sides of the headlamp 43. Meter unit 77 Thus, it the meter unit 77 in and above the mount rubber 54 located in front of the rear part of it the front headlamp 43 Ru is arranged to be positioned.

  A pair of left and right rearview mirror devices 70 and 70 are attached to the bar handle 18 so that the driver on the seat 32 can visually recognize the rear. The rearview mirror device 70 includes a support arm 71 having a lower end attached to the bar handle 18 and extending upward, and a windscreen 41 between the attachment plate 71a provided on the upper end of the support arm 71 and the attachment plate 71a. A bracket 72 sandwiched between the bracket 72, a stay 73 supported at one end of the bracket 72 so as to be able to swing, a mirror holder 74 supported so as to be swingable at the other end of the stay 73, and the mirror holder 74 And a mirror (not shown).

  In such a rearview mirror device 70, when an external load is applied to the stay 73, the stay 73 can swing so that the impact can be reduced, and the strength of the stay 73 can be increased without any darkness. As unnecessary, the stay 73 can be reduced in size and weight.

  The upper part of the handle cover 38 is supported by the bar handle 18 via the wind screen 41 and the pair of support arms 71. The lower portion of the handle cover 38 is supported by the bar handle 18 via the cover support stays 63 and 63 disposed below the handle support member 48 as described above. It will be firmly supported by the bar handle 18 at the location.

  Referring also to FIG. 7, an opening 75 is provided in the upper portion of the rear cover 40 of the handle cover 38, and a case 78 of a meter unit 77 including an electric speedometer 76 is seated on the seat 32. In order to make it possible for a driver on board to visually recognize, the upper surface of the meter unit 77 is attached to the rear cover 40 so as to face the opening 75.

  The case 78 of the meter unit 77 includes an upper case half 79 and a lower case half 80 that is partially fitted in the upper case half 79, and a lower end portion of the upper case half 79. Forms a stepped portion 81 facing downward over the entire circumference of the case 78.

  A pair of support plate portions 82 and 82 are integrally protruded from the center portion of the rear side surface of the upper case half 79 with a gap in the width direction of the motorcycle, and between the support plate portions 82 and 82 is provided. An engagement shaft 83 is provided. On the other hand, in the rear cover 40 of the handle cover 38, a plurality of engagement plate portions 84 arranged at intervals along the longitudinal direction of the engagement shaft 83 are provided at portions corresponding to the support plate portions 82, 82. , 84..., The outer surfaces of the engagement plate portions 84, 84 at both ends along the arrangement direction of the engagement plate portions 84, 84. 84 and the supporting plate portions 82 and 82 are integrally provided so as to regulate the relative positions thereof. In addition, each of the engagement plate portions 84, 84... Has slits 85, 85... For inserting and supporting the engagement shaft 83 between the support plate portions 82, 82 from the front side, and opening the front end side. The meter unit 77 is swingable up and down with the engagement shaft 83 as a fulcrum in a state where the engagement shaft 83 is inserted into each of the slits 85, 85.

  Further, when the case 78 of the meter unit 77 is brought into contact with the front edge of the opening 75 on the front edge side of the opening 75, the case 78 is elastically applied to the step 81 provided on the outer periphery thereof. A pair of engagement claws 86, 86 that are engaged with each other are provided integrally, and these engagement claws 86, 86 are rear cover of the rear portion of the case 78 by the support plate portions 82, 82 and the engagement shaft 83. 49 to the rear cover 40 such that the support portions to the rear cover 49 of the front portion of the case 78 by the engaging claws 86 and 86 are located substantially at the apex position of the isosceles triangle. Provided integrally.

  According to such a structure, while the positions of the support plate portions 82 and 82 are regulated by the engagement plate portions 84 and 84 at both ends in the arrangement direction, the engagement shaft 83 is slits 85 and 85 of the engagement plate portions 84 and 84. The rear portion of the case 78 in the meter unit 77 is supported by the rear cover 40 so as to be able to swing up and down. Therefore, when the front portion of the case 78 is rotated so as to contact the front edge portion of the opening 75, the engaging claws 86 and 86 are elastically engaged with the step portion 81 and the case 78 is attached to the rear cover 40. It will be. That is, the case 78 of the meter unit 77 is elastically engaged with the rear cover 40 from the inner side of the rear cover 40 so that the upper surface of the meter unit 77 faces the opening 75.

  The rear portion of the case 78 is supported by the rear cover 40 so that the rear portion of the case 78 is pivotable at one location, and the front portion of the case 78 is elastically engaged with the rear cover 40 at two locations. A configuration is also possible in which the rear cover 40 is rotatably supported at two locations, and the front portion of the case 78 is elastically engaged with the rear cover 40 at one location.

  A handle lock device 89 is provided between the handle support member 48 and the head pipe 16. The handle lock device 89 includes a substantially L-shaped engagement stay 90 fixed to the handle support member 48 made of an aluminum alloy, and a lock pin 92 detachably engaged with the engagement stay 90 and a key. The lock pin 92 can be operated in the axial direction according to the operation, and is configured by a lock mechanism 91 fixed to the head pipe 16 of the vehicle body frame 15.

  The engagement stay 90 is made of a metal material that is superior in toughness than the aluminum alloy forming the handle support member 48, such as an iron-based material, and is fastened to the handle support member 48 by a pair of screw members 95, 95, for example. An engagement hole 93 that can removably engage the lock pin 92 is provided in the engagement stay 90.

  The lock mechanism 91 is supported by a support plate 96 fixed to the head pipe 16 and disposed in the leg shield 29. The lock mechanism 91 of the engagement stay 90 in a state where the bar handle 18 is steered by a certain angle. The lock pin 92 is supported by the support plate 96 so that the lock pin 92 can be engaged and disengaged from below in the engagement hole 93.

  Moreover, the engagement stay 90 is a handle support member at a portion facing the gap 94 formed between the handle cover 38 that covers the bar handle 18 and moves together with the bar handle 18 and the leg shield 29 that covers the front portion of the vehicle body frame 15. 48 is secured to the handle support member 38 with a shape that extends between the handle cover 38 and the leg shield 29.

  Next, the operation of this embodiment will be described. The bar handle 18 is mounted at two positions on the handle support member 48 rotatably supported by the head pipe 16 at the front end of the vehicle body frame 15 via mount rubbers 54, 54. Since the handle cover 38 that is supported in a floating manner and covers the center portion of the bar handle 18 is fixed to the bar handle 18, it is possible to ensure the vibration proof property of the handle cover 38 fixed to the bar handle 18. Moreover, since the mount rubbers 54 and 54 only need to be interposed between the handle support member 48 and the bar handle 18, the number of mount rubbers 54 required is not limited even if the handle cover 38 is fixed to the bar handle 18. Less is required and the number of parts can be reduced.

  In addition, since the wind screen 41 is fixed to the handle cover 38, a dedicated part for attaching the wind screen 41 to the bar handle 18 is not required, and the number of parts is further reduced while securing the vibration isolation of the wind screen 41. I can do this.

  Further, since the meter unit 77 having the upper surface facing the opening 75 provided in the handle cover 38 is elastically engaged with the handle cover 38 from the inner side of the handle cover 38, the meter unit 77 is attached to the handle cover 38. Therefore, it is possible to facilitate the assembly of the meter unit 77 to the handle cover 38 while reducing the number of components.

  In addition, of the handle lock device 89 provided between the handle support member 48 and the head pipe 16 of the vehicle body frame 15, the lock mechanism 91 including the lock pin 92 that can be engaged with the handle support member 48 side is a key. The handle support member 48 formed of an aluminum alloy to reduce the weight is provided on the head pipe 16 of the vehicle body frame 15 so that the lock pin 92 can be engaged and disengaged according to the operation. An engagement stay 90 made of an excellent metal material and having an engagement hole 93 capable of detachably engaging the lock pin 92 is fixed.

  Therefore, it is possible to maintain the handle lock state while sufficiently reducing the weight of the handle support member 48 and sufficiently withstanding the action of a large load on the portion where the lock pin 92 is engaged.

  The engagement stay 90 is a handle support member at a portion facing the gap 94 formed between the handle cover 38 that covers the bar handle 18 and moves together with the bar handle 18 and the leg shield 29 that covers the front portion of the vehicle body frame 15. 48 is fixed to the handle support member 48 so as to cover it, so that it is impossible to apply a force directly from the outside to the handle support member 48 made of an aluminum alloy from the gap 94, and the handle lock state is released. Unauthorized operation from the gap 94 can be prevented, and the anti-theft property can be improved.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. It is.

  For example, the present invention can be applied not only to the motorcycle of the above embodiment but also to a motor tricycle.

15 ... Body frame 16 ... Head pipe 18 ... Bar handle 38 ... Handle cover 39 ... Front cover 40 ... Rear cover 41 ... Wind screen 43 ... Headlight 48 ... handle support member 54 ... mount rubber
70 ... rearview mirror device 75 ... opening 77 ... meter unit

Claims (1)

A handle support member (48) for supporting the bar handle (18) is rotatably supported by the head pipe (16) at the front end of the vehicle body frame (15), and the center portion of the bar handle (18) is disposed at the handle cover (38). ) Covered motorcycles and tricycles ,
The handle cover (38) includes a front cover (39) that covers the bar handle (18) from the front and a rear cover (40) that covers the bar handle (18) from the rear, and the front cover (39). The head handle (43) located in front of the bar handle (18) and the meter unit (77) are supported on the rear cover (40), respectively .
The bar handle (18) is floatingly supported by the handle support member (48) via a mount rubber (54) disposed below the bar handle (18), and the bar handle (in the floating support state ) The rearview mirror device (70) and the handle cover (38) are fixed to 18) ,
The meter unit (77) is arranged so that the front part thereof is in front of the rear part of the headlamp (43) and the meter unit (77) is located above the mount rubber (54). automatic two, three-wheeled car, characterized in that that.

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