JP4939255B2 - Front body cover structure of motorcycle - Google Patents

Description

  The present invention includes a head pipe provided at a front end of a vehicle body frame that supports the steering stem so as to be steerable and a rear cover that covers the steering stem from the rear, and avoids the head pipe and the steering stem. Further, the present invention relates to a front body cover structure for a motorcycle in which a bulging portion that is bent back and convex is formed on the rear cover.

In a scooter type motorcycle, a leg shield that is a rear cover that covers the steering stem and the head pipe from the rear is integrally formed of synthetic resin from the step floor to the handle cover. Is known.
Japanese Patent No. 3875029

  By the way, a bulging portion that is convexly bent backward and avoiding the steering stem and the head pipe is integrally formed at the width direction center portion of the leg shield disclosed in Patent Document 1. Since the part has a larger curvature than the part arranged on the left and right of the bulging part, the mold for molding the leg shield becomes complicated, and as a result, the design flexibility of the leg shield may be limited. . The restrictions may also affect the degree of freedom of design that satisfies the diversifying user preferences.

  SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and is intended to simplify the mold for molding the rear cover and to increase the degree of freedom in molding the rear cover. An object is to provide a vehicle body cover structure.

In order to achieve the above object, the invention according to claim 1 includes a head pipe provided at the front end of the vehicle body frame so as to be steerable and a rear cover that covers the steering stem from the rear. In the front vehicle body cover structure of the motorcycle in which a bulging portion that is bent backward and avoiding the head pipe and the steering stem is formed in the rear cover, the rear cover is a rear cover. A main body and a cover member attached to the rear cover main body so as to form the bulging portion. The rear cover main body is provided with a positioning hole, and a positioning pin fitted into the positioning hole includes the positioning pin. characterized Rukoto projecting integrally with the cover member.

  According to a second aspect of the invention, in addition to the configuration of the first aspect of the invention, a handle that covers an upper portion of the steering stem and a central portion of a bar-shaped steering handle connected to an upper end of the steering stem. The cover member having a color tone adjusted to a cover and having a color tone different from that of the main body of the rear cover is formed in a shape that is smoothly connected to the rear surface of the center portion of the handle cover.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect of the present invention, an accessory is attached to the cover member, and a concave portion that is open to the rear side is formed in the lower portion of the cover member to the front. Protruding protrusions are provided integrally, the rear cover main body is provided with a mounting portion for abutting the protrusion from the rear side, and the cover main body is formed by a screw member in which the enlarged diameter head is accommodated in the concave portion. It said cover member is characterized Rukoto is fastened to.

  According to a fourth aspect of the invention, in addition to the configuration of the third aspect of the invention, the accessory is a hook for loading that is formed integrally with the cover member.

Invention 請 Motomeko 5 wherein, in addition to the configuration of the invention according to claim 3, wherein the battery is disposed in front of the head pipe, the speaker or the navigation unit is the accessory is arranged in the cover member It is characterized by.

Furthermore, in the invention of claim 6, in addition to the structure of the invention of any one of claims 1 to 5, an opening having a substantially inverted triangular shape in front view is formed in the center in the width direction of the main body of the rear cover. The cover member is attached to the rear cover main body so as to close the opening .

According to the present invention, since the bulging portion of the rear cover is formed by the cover member attached to the rear cover main body, the shape of the mold when the rear cover main body is molded can be simplified. In addition, the degree of freedom of the shape of the entire rear cover can be increased.

In particular , according to the invention described in claim 2, since the cover member is smoothly connected to the handle cover above the cover member and has a color matching the handle cover, a sense of unity with the handle cover can be obtained. The effect of tightening the overall design can be obtained, and the motorcycle can be differentiated by making it an accent of the body design.

In particular , according to the invention described in claim 3, by replacing only the cover member without replacing the entire body cover, a motorcycle having the function of an accessory can be obtained, and differentiation of the motorcycle at low cost. Can be achieved.

In particular , according to the invention described in claim 4, since the loading hook is formed integrally with the cover member, an increase in the number of parts can be avoided as compared with the case where the loading hook is provided separately from the vehicle body cover. A motorcycle equipped with a hook for loading can be obtained simply by replacing the cover member.

In particular , according to the fifth aspect of the present invention, it is possible to obtain a motorcycle in which a speaker or a navigation unit is disposed at a position close to the battery without replacing the entire body cover.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on examples of the present invention shown in the accompanying drawings.

  1 to 10 show a first embodiment of the present invention. FIG. 1 is a side view of a scooter type motorcycle, FIG. 2 is an enlarged front side view of a scooter type motorcycle, and FIG. 3 is a rear view corresponding to FIG. 4 with the cover member removed, FIG. 6 is an enlarged sectional view taken along line 6-6 of FIG. 7 is an enlarged sectional view taken along line 7-7 in FIG. 4, FIG. 8 is an enlarged sectional view taken along line 8-8 in FIG. 4, FIG. 9 is an enlarged sectional view taken along line 9-9 in FIG. It is a 10-line enlarged sectional view.

  First, in FIG. 1, a body frame F of a scooter type motorcycle includes a main frame pipe 17 having a head pipe 16 fixed to the front end, and a cross pipe 18 fixed to the rear end of the main frame pipe 17 at a right angle. , And a pair of left and right rear frame pipes 19 with front ends connected to both ends of the cross pipe 18, respectively.

  The main frame pipe 17 is formed by integrally connecting a down frame portion 17a inclined downward from the head pipe 16 and a lower frame portion 17b extending rearward substantially horizontally from the rear end of the down frame portion 17a. The cross pipe 18 extends in the left-right direction of the vehicle body frame F, and the axial center portion of the cross pipe 18 is fixed to the rear end portion of the main frame pipe 17 at a right angle.

  A steering stem 20 is supported on the head pipe 16 so as to be steerable. A front fork 21 that pivotally supports a front wheel WF at a lower end portion is connected to a lower end of the steering stem 20, and a bar-shaped steering handle 22 The central part is connected to the upper end of the steering stem 20.

  A front part of both rear frame pipes 19 in the body frame F is a unit swing type comprising an engine E arranged on the front side of the rear wheel WR and a transmission M arranged on the left side of the rear wheel WR. The power unit P is supported so as to be able to swing up and down via the link 23 while allowing the power unit P to swing up and down, and the rear wheel WR is pivotally supported on the rear portion of the power unit P. A rear cushion unit 24 is provided between the left rear frame pipe 19 and the rear portion of the power unit P of the pair of left and right rear frame pipes 19.

  An intake pipe 26 is connected to the upper side wall of the cylinder head 25 in the engine E. The intake pipe 26 is connected to an air cleaner 27 disposed on the left side of the rear wheel WR via a carburetor 28. An upstream end of an exhaust pipe 29 extending to the right side of the rear wheel WR so as to guide exhaust gas is connected to the lower side wall of the cylinder head 25. The downstream end of the exhaust pipe 29 is connected to the rear wheel. The exhaust muffler 30 is connected to the right side of the WR.

  A storage box 31 disposed above the engine E is supported between the front portions of the rear frame pipes 19 in the body frame F, and an occupant seat 32 that covers the storage box 31 from above can be opened and closed. Is supported on the upper front side of the storage box 31. Further, a fuel tank 33 is arranged behind the storage box 31 so as to be supported by the rear frame pipes 19.

  Referring also to FIG. 2, the vehicle body frame F, the engine E, the storage box 31, and the fuel tank 33 are covered with a vehicle body cover 35A. The vehicle body cover 35A includes the head pipe 16 and the steering stem 20. A front cowl 36 that covers the front pipe 36 from the front, a center cowl 37A as a rear cover that covers the head pipe 16, the steering stem 20 and the upper part of the down frame portion 17a of the main frame pipe 17 from the rear side, and the center cowl A step floor 38 continuously provided at the lower portion of 37A, a pair of left and right leg shields 39 connecting the front cowl 36, the center cowl 37A and both sides of the step floor 38, and the lower frame portion 17b of the main frame pipe 17 on the side. Cover both sides of the leg shield 39 ... A pair of left and right upper side under cowls 40 extending rearward from the ends and continuously provided on both sides of the step floor 38, and a pair of left and right lower side unders hanging downward from the lower edges of both upper side under cowls 40 ... And a rear cover 42 that covers the storage box 31 and the fuel tank 33 from both sides and that is continuous with the rear end of the upper side under cowl 40 and the lower side under cowl 41. It is arranged on the rear cover 42.

  The step floor 38 covers a floor portion 38a formed flat so that the rider's feet sitting on the occupant seat 32 can be placed thereon and a lower portion of the down frame portion 17a of the main frame pipe 17 from the rear side. And a rising portion 38b that rises upward from the front end of the floor portion 38a. The leg shields 39 are connected to both sides of the rising portion 38b, and the upper side under cowls 40 are connected to both sides of the floor portion 38a. Connected. The lower end of the center cowl 37A is connected to the upper end of the rising portion 38b.

  The front wheel WF is covered from above with a front fender 45 including a fender front half member 43 and a fender rear half member 44, and the front fender 45 is supported by the front fork 17. The rear wheel WR is covered from the rear upper side by a rear fender 46 arranged so as to hang downward from the rear part of the rear cover 42, and the rear fender 46 is supported by the rear frame pipes 19.

  By the way, the leg shields 39 and the upper side under cowl 40 in the body cover 35A are made of metal, for example, iron, and the portions excluding the leg shields 39 and the upper side under cowl 40 are made of synthetic resin, and the front fender. 45, the fender first half member 43 is made of metal, for example, iron, and the fender second half member 44 is made of synthetic resin.

  An upper portion of the steering stem 20 and a central portion of the steering handle 22 are covered with a handle cover 47 made of synthetic resin, and a headlight 48 is disposed at a front portion of the handle cover 47. Blinkers 49 are arranged on the left and right sides of the front cowl 36. Further, a battery 50 and a horn 51 are disposed in front of the head pipe 16 so as to be covered from the front by a front cowl 36, and the battery 50 and the horn 51 are supported by a support frame 52 fixed by the head pipe 16. Is done. In addition, a front license plate 54 is fixed to the front ends of a pair of rod-like support members 53... Extending forward from the support frame 52 and projecting forward from the front cowl 36. The rear license plate 55 is shown in FIG. As shown, it is attached to the rear fender 46.

  In FIG. 3, a meter unit 58 including a speedometer and a fuel gauge is disposed on the handle cover 47, and a dimmer switch 59, turn signal switch 60 and horn switch 61 are provided on the left end of the handle cover 47. At the right end of the handle cover 47, an on / off switch 62 for the headlight 48 and a starter / lighting switch 63 are disposed.

  Referring to FIGS. 4 and 5 together, the center cowl 37A is formed with a bulging portion that protrudes backward and avoids the head pipe 16 and the steering stem 20 at the upper portion of the center cowl 37A. 37A includes a center cowl main body 65 that is a rear cover main body and a cover member 66A that is attached to the center cowl main body 65 so as to form the bulging portion.

  A choke knob 67 is disposed on the upper left side of the center cowl main body 65, and a main switch 68 is disposed on the upper right side of the center cowl main body 65. Thus, an opening 69 having a substantially inverted triangular shape in front view is formed between the choke knob 67 and the main switch 68 at the center in the width direction of the center cowl main body 65, and the cover member 66A has an opening. It is attached to the center cowl main body 65 so as to block the portion 69. In addition, the cover member 66 </ b> A is colored so as to match the color tone of the handle cover 47 and to be different from the color tone of the center cowl main body 65, and is formed in a shape that is smoothly connected to the back of the center portion of the handle cover 47.

  In FIG. 6, the center cowl main body 65 is integrally provided with mounting portions 70 having insertion holes 71 at both upper side edges of the opening 69, and protrudes integrally on both upper sides of the cover member 66A. The bosses 72 are provided in contact with the mounting portions 70 from the rear side along the traveling direction of the motorcycle, and the screw members 73 are inserted through the insertion holes 71 of the mounting portions 70 from the front side. Screwed onto the bosses 72.

  In FIG. 7, the center cowl main body 65 is integrally provided with a mounting portion 74 extending upward in the opening 69 at the lower side edge of the opening 69, and the mounting portion 74 includes an insertion hole 75, A positioning hole 76 positioned above the insertion hole 75 is provided. On the other hand, at the lower part of the cover member 66A, a protrusion 78 that protrudes forward so as to form a recess 77 that opens to the rear side has a tip corresponding to the insertion hole 75 from the rear side. The positioning pins 79 are integrally provided so as to be brought into contact with each other, and the positioning pins 79 that fit into the positioning holes 76 are integrally projected. The head pipe 16 at the front end of the vehicle body frame F is fixed with a stay 80 that comes into contact with the insertion hole 75 of the mounting portion 74 of the center cowl main body 65 from the front side. A screw member 82 inserted into the tip of the projection 78, the insertion hole 75 of the mounting portion 74, and the stay 80 so as to accommodate 82a in the concave portion 77 is attached to the weld nut 81 fixed to the stay 80. Screwed together.

  That is, the two left and right upper portions of the cover member 66A are fastened to the center cowl main body 65, and the lower portion of the cover member 66A is fastened to the stay 80 together with the center cowl main body 65.

  In FIG. 8, an elastic member 83 that is in contact with the down frame portion 17 a of the main frame pipe 17 from the rear side is attached to the center in the left-right direction at the upper end of the rising portion 38 b on the step floor 38. In addition, a plurality of insertion holes 84 are provided at the upper end of the rising portion 38b at intervals in the left-right direction. Further, at the lower end of the center cowl main body 65, insertion projections 85, which can be inserted into the insertion holes 84 from above, are projected, and the center cowl is inserted so that the insertion projections 85 are inserted into the insertion holes 84. The lower end portion of the main body 65 is brought into contact with the upper end of the rising portion 38 b on the step floor 38.

  Referring also to FIG. 9, the center cowl main body 65 has a protrusion projecting forward so as to form a recess 87. 88 are integrally provided so that the front ends thereof are in contact with the leg shields 39 from the rear side, and the enlarged diameter heads 89a are accommodated in the concave portions 87 so that the front ends of the protrusions 88 and the Screw members 89 inserted through the leg shields 39 are screwed into weld nuts 90 fixed to the inner surfaces of the leg shields 39. That is, the left and right side portions of the center cowl main body 65 are fastened to the leg shields 39.

  In FIG. 10, mounting portions 91... Extending rearward are integrally provided on the left and right sides of the upper portion of the front cowl 36, and recessed portions opened rearward are formed on the left and right sides of the upper portion of the center cowl main body 65. .. Are formed integrally so that their tips abut against the mounting portions 91 from the rear side, and the enlarged-diameter heads 94a. ... Screw members 94 inserted into the tips of the protrusions 93 and the mounting portions 91 so as to be housed in the screw holes are screwed into nuts 95 that come into contact with and engage with the mounting portions 91 from the front. The

  Next, the operation of the first embodiment will be described. The head pipe is attached to the center cowl 37A covering the head pipe 16 at the front end of the vehicle body frame F and the steering stem 20 supported so as to be steerable by the head pipe 16 from the rear. 16 and the steering stem 20 are formed so as to form a bulging portion that is bent back and convex, but the center cowl 37A has a center cowl main body 65 and the bulging portion so as to form the center cowl. Since it comprises the cover member 66A attached to the main body 65, the shape of the molding die when forming the center cowl main body 65 can be simplified, and the degree of freedom of the shape of the entire center cowl 37A can be increased. Can do.

  The cover member 66A is colored so as to adjust the color tone to the handle cover 47 covering the upper portion of the steering stem 20 and the central portion of the steering handle 22 and to be different from the color tone of the center cowl main body 65. Since it is formed in a shape that is smoothly connected to the back of the center part of the cover 47, it is possible to achieve a sense of unity with the handle cover 47, and the effect of tightening the overall design of the vehicle body is obtained, and as an accent of the vehicle body design Differentiation of motorcycles can be achieved.

  When a second embodiment of the present invention is described with reference to FIG. 11, the center cowl 37B constituting a part of the vehicle body cover 35B is located rearward while avoiding the center cowl main body 65, the head pipe 16 and the steering stem 20. The cover member 66B is attached to the center cowl main body 65 so as to form a convexly bent bulge, and the cover member 66B is integrally formed with a loading hook 98 as an accessory. The

  According to the second embodiment, by replacing only the cover member 66B without replacing the entire body cover 35B, a motorcycle having a loading hook 98 as an accessory can be obtained at low cost. Differentiation of motorcycles can be achieved. Moreover, since the loading hook 98 is integrally formed with the cover member 66B, an increase in the number of parts can be avoided as compared with the case where the loading hook 98 is provided separately from the vehicle body cover.

  12 and 13 show a third embodiment of the present invention. FIG. 12 is a side view corresponding to FIG. 2 of the first embodiment, and FIG. 13 is a view taken along arrow 13 in FIG.

  The center cowl 37C constituting a part of the vehicle body cover 35C is formed so as to form a center cowl main body 65, and a bulging portion that is convexly bent backward to avoid the head pipe 16 and the steering stem 20. The cover member 66C is attached to the cover member 66, and a tachometer 99 as an accessory is attached to the cover member 66C.

  Also in the third embodiment, by replacing only the cover member 66C without replacing the entire body cover 35C, a motorcycle having a tachometer 99 can be obtained, and the motorcycle can be differentiated at low cost. Can do.

  FIG. 14 shows a fourth embodiment of the present invention. A center cowl 37D constituting a part of the vehicle body cover 35D is protruded rearward while avoiding the center cowl main body 65, the head pipe 16 and the steering stem 20. The cover member 66D is attached to the center cowl main body 65 so as to form a bulged portion that is bent in the shape of a bent portion, and a pair of speakers 100, 100 as accessories are attached to the cover member 66D.

  According to the fourth embodiment, by replacing only the cover member 66D without replacing the entire vehicle body cover 35D, a motorcycle having the speakers 100 can be obtained, and the motorcycle can be differentiated at low cost. Can be achieved. And since the battery 50 is arrange | positioned ahead of the head pipe 16, the speaker 100 ... can be arrange | positioned in the position close | similar to the battery 50. FIG.

  FIG. 15 shows a fifth embodiment of the present invention. A center cowl 37E constituting a part of the vehicle body cover 35E is protruded rearward while avoiding the center cowl main body 65, the head pipe 16 and the steering stem 20. The cover member 66E is attached to the center cowl main body 65 so as to form a bulging portion that is bent in the shape of a bent portion. A navigation unit 101 as an accessory is attached to the cover member 66E.

  According to the fifth embodiment, by replacing only the cover member 66E without replacing the entire vehicle body cover 35E, a motorcycle having the navigation unit 101 disposed near the battery 50 can be obtained. The motorcycle can be differentiated at a low cost.

  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.

1 is a side view of a scooter type motorcycle according to a first embodiment. 1 is an enlarged side view of a front part of a scooter type motorcycle. FIG. FIG. 3 is a view taken in the direction of arrow 3 in FIG. FIG. 4 is a rear view taken along arrow 4 in FIG. 2. FIG. 5 is a rear view corresponding to FIG. 4 with a cover member removed. FIG. 6 is an enlarged sectional view taken along line 6-6 in FIG. FIG. 7 is an enlarged cross-sectional view taken along line 7-7 in FIG. 4. It is the 8-8 line expanded sectional view of FIG. FIG. 9 is an enlarged cross-sectional view taken along line 9-9 in FIG. 4. FIG. 10 is an enlarged cross-sectional view taken along line 10-10 in FIG. 4. It is a side view corresponding to FIG. 2 of 2nd Example. It is a side view corresponding to FIG. 2 of 3rd Example. FIG. 13 is a view taken in the direction of arrow 13 in FIG. 12. It is a figure corresponding to FIG. 3 of 4th Example. It is a figure corresponding to FIG. 3 of 5th Example.

16 ... head pipe 20 ... steering stearyl-time
22 ... steering handle 37A, 37B, 37C, 37D, center cowl is 37E ... rear cover
4 7 ... handle cover
6 5... Center cowl main body 66A, 66B, 66C, 66D, 66E.
69 ... opening
74 ... Mounting part
76 ... Positioning hole
77 ... Recess
78 ... Projection
79 ... Positioning pins
82 ... Screw member
82a is a ... enlarged head 98 speaker 101 ... accessories is a tachometer 100 ... accessories is a luggage hanging hook 99 ... accessories is ... accessories navigation unit
F ... Body frame

Claims (6)

A rear cover (37A, 37B, 37C) that supports the steering stem (20) from the rear by supporting the steering stem (20) in a freely steerable manner and covering the steering stem (20) from the rear. , 37D, 37E), and a bulging portion bent convexly rearward to avoid the head pipe (16) and the steering stem (20) is formed on the rear cover (37A to 37E). In the front body cover structure of a motorcycle, the rear cover (37A to 37E) is attached to the rear cover main body (65) so as to form the rear cover main body (65) and the bulging portion. Ri cover member (66A, 66B, 66C, 66D, 66E) from the formation, positioning hole (76) is provided on the rear cover main body (65), positioning pins (7 fitted into the positioning hole (76) ) Is the front vehicle body cover structure for a motorcycle characterized by Rukoto projecting integrally with the cover member (66A~66E).   The rear side of the steering stem (20) is adjusted in color with a handle cover (47) that covers an upper portion of the steering stem (20) and a central portion of a bar-shaped steering handle (22) connected to an upper end of the steering stem (20). The cover member (66A to 66E) having a color tone different from that of the cover main body (65) is formed in a shape that is smoothly connected to the rear surface of the center portion of the handle cover (47). The front body cover structure of motorcycles. Accessories (98, 99, 100, 101) are attached to the cover member (66B, 66C, 66D, 66E), and a recessed portion (77) opened rearward is formed in the lower part of the cover member (66A to 66E). Thus, a protrusion (78) protruding forward is integrally provided, and a mounting portion (74) for abutting the protrusion (78) from the rear side is provided on the rear cover main body (65). diameter head (82a) according to claim 1 or the cover member (66A～66E) is characterized Rukoto is fastened to the cover main body (65) by a screw member brought accommodated in the recess (77) and (82) 2. A front body cover structure for a motorcycle according to 2.   The front body cover structure for a motorcycle according to claim 3, wherein the accessory is a loading hook (98) formed integrally with the cover member (66B).   A battery (50) is disposed in front of the head pipe (16), and a speaker (100) or a navigation unit (101) as the accessory is disposed on the cover member (66D, 66E). The front body cover structure for a motorcycle according to claim 3. An opening (69) having a substantially inverted triangular shape when viewed from the front is formed at the center in the width direction of the rear cover main body (65), and the cover members (66A to 66E) block the opening (69). The front body cover structure for a motorcycle according to any one of claims 1 to 5, wherein the front body cover structure is attached to the rear cover main body (65).

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