JP3525581B2 - Passenger seat mounting structure for motorcycles - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat mounting structure for a passenger of a motorcycle. More specifically, the present invention relates to a motorcycle seat mounting structure for a motorcycle including a pillion seat band that can be gripped by a passenger riding the motorcycle to stabilize their body while traveling. 2. Description of the Related Art When riding with a passenger on a motorcycle,
The passenger can turn his hand around the rider's waist, hold the passenger's grip handle on the upper surface of the seat cowling, or the pillion seat provided on the front upper surface of the passenger's seat (also called pillion seat or tandem seat). Stabilize your body by grabbing in a band. FIGS. 20 and 21 show an example b in which a conventional passenger seat having a pillion seat band a is assembled to a vehicle body.
1 is a perspective view and a main part cross-sectional view of a rear portion of a vehicle according to the first embodiment. In this passenger seat b, a pillion seat band a
However, it is used not only for holding the passenger and supporting his / her body, but also as a fixing means for fixing the passenger seat b to the vehicle body. [0004] A description will now be given of the attachment of the passenger seat b to the vehicle body using the pillion seat band a.
The pillion seat band a is for fixing the front part of the passenger seat b, and is designed to fix the passenger seat b to the vehicle body by means of a rear fixing means of the passenger seat b described later. Has become. [0005] Immediately below the passenger seat b, a storage box e having a front opening for receiving tools and the like is provided with the passenger seat b.
And the seat cowling f is housed in a space S surrounded by the seat cowling f. This storage box e is located in the space S
It is fixed to a seat rail frame (not shown), a part of which is located inside. On both sides of a portion of the bottom wall e ₁ of the storage box e corresponding to the front portion b ₁ of the passenger seat b,
As shown in FIG. 21, both ends a ₁ of the seat band a
A bolt through hole j ₁ · j ₂ for fixing a ₂ with a bolt h and a nut i via a spacer g is provided. Of the bolt holes j ₁ and j ₂ , one end a ₁ of the seat band a is fixed in advance to the bolt hole j ₁ on the left side of the vehicle by tightening the bolt h and the nut i.
In addition, what is shown by the symbol o in FIG. 20 is a bolt through hole provided at both ends a ₁ and a ₂ of the seat band a. On the other hand, on both sides of the upper portion of the seat cowling f, when the storage box e is stored in the space S, a portion corresponding to the bolt through holes j ₁ and j ₂ of the storage box e is provided with a seat band a. There are provided band through holes k ₁ and k ₂ for passing through (only the band through hole k ₁ on the left side of the vehicle is shown). The band through hole k in the passenger seat b
Another band through hole m ₁ · m ₂ is also formed in a portion corresponding to ₁ · k ₂ . Accordingly, after putting the storage box e which has been previously fixed to the one end a ₁ sheet bands a by a bolt h and nuts i as described above in the space S, the sheet bands a second end a ₂ is passed through from below them in another band through the order of the holes m ₁ band through holes k ₁ and pillion b of the seat cowling f, holes m ₂ and sheet through the other bands pillion b cowling f of the other band passing through from above into the hole k _2. afterwards,
Be fixed by a bolt h and nuts i according to tip a ₂ of seat band a in holes j ₂ through the other bolt, from the top sheet band a is over the cross-shaped upper surface front portion of the seat b for passenger It becomes pressed against the clamping form, whereby the front portion b ₁ of the seat b for passenger is fixed to the vehicle body. [0009] The boundary between the passenger seat b and the passenger seat p is a backrest q. The backrest q is provided with an opening / closing lid (not shown) from which it is stored. A tool or the like can be inserted into the box e. When screwing the bolt h and the nut i, the opening / closing lid is opened, a fastening tool such as a wrench is inserted through the front opening of the storage box e, and the bolt head of the bolt h is fixed with the tool such as the wrench. hi is made to screw effectively. [0010] Next described method of fixing the rear b ₂ of the passenger seat b. Inside the passenger seat b, iron plate b ₂ projecting to the rear below of the seat b is Aru is cast integrally. This iron plate b _2, corresponding to the iron plate b _2, secure the mounting bracket r seat rail frames with the not shown if tightened with bolts s, the rear b ₂ is the body of the passenger seat b Is done.
As described above, the passenger seat b is fixed to the vehicle body. By the way, there is room for the following improvement in the mounting structure of the passenger seat b to the vehicle body using the pillion seat band a as described above. That is,
The pillion seat band a is for attaching the passenger seat b to the vehicle body, and the pillion seat band a is also a portion that the passenger can grip as described above. Therefore, when the passenger holds onto the pillion seat band a, the pillion seat band a receives a strong pulling force. Then, the tension force, out of the storage box e, part pillion seat band a is connected to the storage box and e, that acts as an external force pulling also the left and right sides of the bottom wall e _1. For this reason, in an extreme case, the connecting portion of the storage box e may be deformed by the tensile force. Further, with the recent price destruction, it has been desired to provide a new technology that can be expected to further reduce the number of parts and improve the assemblability. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a problem to be solved is a portion where a passenger can grip a pillion seat band of a motorcycle. In addition to the above, in a motorcycle passenger seat that is also used for attaching the passenger seat to the vehicle body, the pulling force when the passenger holds the pillion seat band has at least the passenger seat. It is an object of the present invention to provide a passenger seat mounting structure for a motorcycle in which a lower storage box does not act as an external force. SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and is as follows.
That is, the seat attachment structure for a passenger of a motorcycle of the present invention includes a body frame rear portion of the seat rail frame, this
Storage box attached to the seat rail frame of
With a seat cowling, and on this seat cowling
Passenger seat molded separately from driver seat
Te placed <br/> to motorcycles of the pillion seat band is disposed between the seat cowling, the pillion on top
An upper flat concave portion to be fitted is provided and
Through holes are formed on both side walls for passing the pillion seat band.
The passenger seat is located at the front of the left and right sides.
Pillion seat bar at the location corresponding to the cowling through hole
A band through hole is formed through which the seat cowl
The passenger seat is fitted into the upper flat recess of the
The rear part of the passenger seat is referred to as a seat cowling.
While being fastened and fixed to the storage box,
The front of the seat is held by a pillion seat band.
Then, attach the pillion seat band to the passenger seat.
The left and right sides of the passenger seat.
Into the seat cowling through the band through hole at the front
And seat the tip with the seat cowling.
Seat rail bracket provided on trail frame
To be fixed . Therefore , according to the present invention, at least the distal end of the portion of the passenger seat that is a portion that can be gripped by the passenger and excluding the portion that presses the upper surface of the passenger seat is indirectly connected. Or, since it is designed to be directly attached to the seat rail frame, the passenger grasps on the pillion seat band a so that the pillion seat band a
Even when a strong pulling force is applied, the portion on which the pulling force directly acts is a highly rigid seat rail frame, so that at least the storage box on which the pulling force does not act has any adverse effect due to the external force being the pulling force. I do not receive. Hereinafter, the present invention will be described in detail with reference to the drawings based on embodiments shown in the drawings. FIG. 1 is an overall side view of a motorcycle employing a passenger seat mounting structure 1 for a motorcycle according to the present invention, FIG. 2 is an enlarged view of a main part of FIG. 1, and FIG. 3 is a line III-III of FIG. FIG. 4 is an enlarged cross-sectional view taken in the direction of the arrow and cut along a virtual cutting plane including FIG.
5 is an enlarged sectional view taken along a virtual cutting plane including a line and viewed in the direction of the arrow, FIG. 5 is an enlarged view of a region V in FIG. 3, and FIG. 6 is a view showing a seat rail bracket 57 which is a part of the seat rail frames 15L and 15R. FIG. 7 is an enlarged view showing a state where the seat cowling 37 is removed in a region VII of FIG. 2, and FIG. 8 is a view showing the storage box 43 removed from the state of FIG. 9 is IX-IX of FIG.
7 is cut along a virtual cutting plane including the line, and is an enlarged cross-sectional view as viewed in the direction of the arrow.
FIG. 11 is an enlarged sectional view taken along a virtual cutting plane including the line XI-XI of FIG. 7 and viewed in the direction of the arrow,
FIG. 12 is a plan view of the storage box 43, and FIG.
FIG. 14 is an enlarged sectional view taken along a virtual cutting plane including the line II-XIII and viewed in the direction of the arrow, FIG. 14 is a front view of the storage box 43, and FIG.
5 is a longitudinal sectional view of the passenger seat 41, FIG. 16 is a bottom view of the passenger seat 41, and FIG. 17 is an enlarged cross section taken along a virtual cutting plane including the line XVII-XVII in FIG. Figure,
FIG. 18 is a partially omitted plan view of the pillion seat band 44,
FIG. 19 is a side view of FIG. As can be seen from FIG. 1, the motorcycle 3 adopting the passenger seat mounting structure 1 for a motorcycle according to the present invention has a body frame 5 extending back and forth of the vehicle as a skeleton. The body frame 5 is located above the engine 9 and extends from the head pipe 11 to the rear of the vehicle as an L-shaped body tube frame 1 as a pair of left and right main frames.
3L and 13R (only the left body tube frame 13L is shown in FIG. 1). A pair of left and right seat rail frames 15L and 15R shown in FIG. 2 and the like serving as a skeleton of a rear portion of the vehicle are integrally connected to the rear of the vehicle from the body tube frames 13L and 13R. A rear portion 16L which is a part of the seat rail frames 15L and 15R.
16R, the seat rail frames 15L and 15R are interposed between the rear portions 16L and 16R and the rear portions 14L and 14R of the body tube frames 13L and 13R (only the left rear portion 14L is shown in FIG. 1). Seat pillars 17L and 17R to support (only the left seat pillar 17L is shown), stand grips 19L and 19R interposed between the seat pillars 17L and 17R and the seat rail frame rear portions 16L and 16R, respectively. The seat rail bridge tube 20 (see FIG. 8) for connecting the left and right seat rail frame rear portions 16L and 16R is provided. At both ends of the seat rail bridge tube 20 and the rear portions 16L and 16R of the seat rail frames, through holes 21a for fixing storage boxes 43 to be described later to the seat rail frames 15L and 15R, respectively.
Is provided. A handle 23 and a front fork 24 that rotates left and right by operating the handle are attached to a front portion of the head pipe 11. A front wheel 25 is attached to the front fork 24 via a cushion unit 29. It is attached freely and rotatably. Also,
The rear wheel 31 is rotatably attached to a swing arm 33 via a cushion unit 32. The motorcycle 3 described above is entirely covered with a frame cover 35 (see FIG. 1). Specifically, the frame cover 35 includes a full cowling 36 that covers a range from the front part to the center part of the vehicle, and the body frame 4
And the seat cowling 37 which covers the rear part of the vehicle. The seat cowling 37 is shown in FIGS.
As shown in FIG. 5, a driver's seat 39 and a passenger's seat 41 are provided on the upper part with a step, that is, the passenger's seat 41 is provided in a higher state than the driver's seat 39. I have. By providing such a step, a portion corresponding to the rise of the stairs serves as a backrest for the driver indicated by reference numeral 42 and also serves as a portion for supporting the front portion of the passenger seat 41. The passenger seat 41 has an upper flat recess 37c ₁ provided above the seat cowling 37.
To improve the seating (see FIG. 3). Also, as shown in FIG.
c The _first sidewall 37w, the pillion 4 when fitting the passenger's seat 41 to the upper flat recess 37c ₁
1, a seat band 4 to be described later provided at the front part of both side edges
4 band through hole 37o ₁ · 37o ₂ to pass are formed. Further, the holes 41 o ₁ · 41 o ₂ through another band is formed in a portion corresponding to the band through hole 37o ₁ · 37o ₂ to passenger seat 41, when fitting the passenger's seat 41 in a flat recess 37c To. These bands through hole 37o ₁ · 37o ₂ and another band through hole 41 o ₁ · 41 o ₂
Are substantially coaxial with the path of the band 44. A space S is provided below the passenger seat 41 and is surrounded by the seat cowling 37, and a storage box 43 for storing tools and the like is stored therein. As shown in FIGS. 2 and 4, the rear portion of the passenger seat 41 has a screw 41s screwed into a casting nut 43n integrally cast in the storage box 43.
Is fixed to the storage box 43. A seat cowling 37 is interposed between the passenger seat 41 and the storage box 43.
A spacer 41 is provided at a portion where the screw 41s enters.
s' is interposed. The spacer 41s' extends further downward from the passenger seat 41 so as to also serve as a spacer for the seat cowling 37 as shown in FIG. The storage box 43 has a suitable number of cushions 21e as shown in FIGS. 7 and 10 interposed between the seat rail frames 15L and 15R. 21
a (see FIG. 10). In addition, what is indicated by reference numeral 43h in FIG. 10 is a tool holder for holding a tool or the like put in the storage box 43. The seat cowling 37 employs the passenger seat mounting structure 1 of the motorcycle according to the present invention. The passenger seat 41 described in detail below includes:
A pillion seat band 44 is provided. The pillion seat band 44 is used not only as a part that the passenger can grasp when riding, but also for attaching the passenger seat 41 to the vehicle body, in particular, for attaching the front part of the passenger seat 41 to the vehicle body. It is also used. In the pillion seat band 44, a portion excluding a central portion 44U that is a portion that is held by the passenger and that presses the upper surface 41u of the passenger seat 41, that is, the pillion seat band 4
4 at least the front end 45L of the left and right sides 44L and 44R.
The 45R is indirectly or directly attached to the seat rail frames 15L and 15R, respectively. In this embodiment, these tip portions 45L and 45L
R is shown as being indirectly attached to the seat rail frame 15 via a seat rail bracket 57 described later. That is, the front ends 45L and 45R of the pillion seat band 44 are part of the inner surface 37c ₂ ′ of the side recess 37c ₂ of the seat cowling 37 and a part of the seat rail frames 15L and 15R. Outer surface 57 of free end 57f of rail bracket 57
f ′, the seat rail frame 15L · 1 is held together with the seat cowling 37 by a screw 47a as a fastening means.
Attached to 5R. The end 45L of the pillion seat band 44
The 45R is provided with a metal fitting 51 integrally provided with a spacer portion 51a by burring on one surface thereof. Before fixing the pillion seat band 44 to the seat rail frames 15L and 15R, FIG. FIG.
As shown in (2), the metal fitting 51 is fixed to the distal ends 45L and 45R by screws 47a and nuts 47b. Then, when fixing the pillion seat band 44 to the seat rail frames 15L and 15R, the screw 47a and the nut 47b are unscrewed from each other to remove the screw 47a.
And the nut 47b are removed from the metal fitting 51, and the pillion seat band 44 is
Is fixed to the seat rail bracket 57 described later of the seat rail frames 15L and 15R. On the other hand, the spacer through hole 53 in which the spacer portion 51a enters the brackets 51 are provided on the side portion recess 37c ₂ of the seat cowling 37 which is part of the frame cover 35, longitudinal to the spacer through-hole 53 A rubber cylindrical spacer 55 having a surface H shape is interposed in an inserted state. As can be clearly understood from FIG. 5, the rubber tubular spacer 55 is an H-shaped rubber having a substantially H-shaped longitudinal section when cut along a virtual cutting surface including the axis thereof. A through hole 55o extends in the center in the axial direction. The distal end portions 45L and 45R of the pillion seat band 44 are temporarily fixed to the seat cowling 37 by passing the spacer portion 51a having substantially the same length dimension as the through hole 55o through the through hole 55o. In this temporarily fixed state, the screw 47 previously removed is passed from the outside of the seat cowling 37 to the spacer portion 51a, and the male screw portion 47s of the passed screw 47a is connected to the seat rail frame 15, that is, a part thereof. It engages with a female screw portion 57s provided on a free end portion 57f of a certain seat rail bracket 57. By doing so, the metal fitting 51 is sandwiched between the rubber tubular spacer 55 and the seat rail bracket 57, and when the metal fitting 51 attaches the seat cowling 37 to the seat rail frames 15L and 15R. Also serves as a spacer. Further, through the seat rail bracket 57, the pillion seat band 4
4 has its tip portions 45L and 45R indirectly attached to the seat rail frame 15. As can be seen from FIGS. 2, 3 and 6, the seat rail bracket 57 is a central portion of the upper surface 15u of the seat rail frames 15L and 15R closer to the rear, and corresponds to the front of the passenger seat 41. And is fixed to a location to be welded by an appropriate fixing means such as welding. As can be seen from FIGS. 6 to 8, the seat rail bracket 57 is formed by bending a long rectangular plate-like body at two obtuse angles at the center on the end side in the longitudinal direction. It has a U-shape. Then, the seat rail bracket 57 is attached to the upper surface 15 of the seat rail frame.
u, the outer surface 5 of its free end 57f
7f 'is substantially parallel to the vertical plane, and the metal fitting 51 faces the outer side surface 57f'. Note that a locking piece 58 is formed on the outer side surface 57f 'to protrude outward from the vehicle in order to improve the seating of the metal fitting 51. 3 and 5, reference numeral 59 denotes the head 47h of the screw 47a and the rubber cylindrical spacer 5.
5 is a washer interposed therebetween. Further, the leading end portions 45L and 45R of the pillion seat band 44 may be directly attached to the seat rail frames 15L and 15R without the intervention of the seat rail bracket 57. According to the passenger seat mounting structure 1 for a motorcycle constructed as described above, the passenger seat 41 is a portion that can be held by the passenger and the upper surface of the passenger seat 41. Since at least the front end portions 45L and 45R of the portion excluding the portion that holds 41u are indirectly or directly attached to the seat rail frames 15L and 15R, the passenger can use the pillion seat band 44.
Even if a strong pulling force is applied to the pillion seat band 44 by being gripped, the portion on which the pulling force directly acts is a highly rigid seat rail frame 15L-1.
Since it is 5R, at least the storage box 43 to which no pulling force acts does not have any adverse effect by the external force which is the pulling force. The front end portions 45L and 45R of the pillion seat band 44 are clamped between the seat cowling 37, which is a part of the frame cover, and the seat rail frame 15 by fastening means. 45
Since the metal part 51 integrally having the spacer portion 51a is provided on one surface of the R portion by burring processing, the spacer which has been separated from the conventional pillion seat band 44 can be managed together with the pillion seat band 44. Points can be reduced. Further, a spacer through hole 53 for receiving the spacer portion 51a is provided in the seat cowling 37 , a rubber cylindrical spacer 55 is interposed in the spacer through hole 53, and a through hole of the rubber cylindrical spacer 55 is provided. 55o, the spacer portion 51a
The front end portions 45L and 45R of the pillion seat band 44 are temporarily fixed to the seat cowling 37 serving as the frame cover by passing the screws 47a through the spacers 51a. Can be released from the pillion seat band 44. For this reason, the hands of the assembler become free, so that the assemblability is improved. Since the spacer portion 51a is made to pass through the rubber tubular spacer 55 during the temporary fixing, the spacer portion 51a is less likely to come off due to the friction of the rubber tubular spacer 55. For this reason, the screw 47a
Thus, the pillion seat band 44 does not come off before the main fastening. Therefore, the spacer portion 51a does not come off from the rubber tubular spacer 55, and the temporary fixing is stabilized, so that the working efficiency can be further enhanced. The passenger's seat 41 has its front portion held by a pillion seat band 44, and its rear portion is screwed by a screw 41s to the seat rail frame 15.
Since it is fixed to the storage box 43 fixed to the L · 15R, it can be stably mounted. Further, since the rear portion of the passenger seat 41 is fixed at one point by the screw 41s, the number of parts can be reduced. According to the present invention, even if a passenger pulls on the pillion seat band by gripping on the pillion seat band a, the portion on which the pulling force directly acts is rigid. Since the seat rail frame is high, at least the storage box on which the pulling force does not act can be prevented from being adversely affected by the external force as the pulling force.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of a motorcycle employing a passenger mounting structure for a motorcycle according to the present invention. FIG. 2 is an enlarged view of a main part of FIG. FIG. 3 is cut along a virtual cutting plane including the line III-III in FIG. 2;
It is the expanded sectional view seen in the arrow direction. FIG. 4 is an enlarged cross-sectional view taken along a virtual cutting plane including a line IV-IV in FIG. 2 and viewed in a direction indicated by an arrow. FIG. 5 is an enlarged view of a region V in FIG. 3; FIG. 6 is an enlarged front view of a seat rail bracket that is a part of the seat rail frame. FIG. 7 is an enlarged view showing a state where a seat cowling is removed in a region VII portion of FIG. 2; FIG. 8 shows a state in which the storage box is removed from the state shown in FIG.
It is the figure seen from the VIII direction. 9 is an enlarged cross-sectional view taken along a virtual cutting plane including the line IX-IX in FIG. 7 and viewed in the direction of the arrow. FIG. 10 is an enlarged cross-sectional view taken along a virtual cutting plane including the line XX of FIG. 7 and viewed in a direction indicated by an arrow. 11 is cut along a virtual cutting plane including the line XI-XI of FIG. 7;
It is the expanded sectional view seen in the arrow direction. FIG. 12 is a plan view of the storage box. FIG. 13 is an enlarged cross-sectional view taken along a virtual cutting plane including a line XIII-XIII in FIG. 7 and viewed in a direction indicated by an arrow. FIG. 14 is a front view of the storage box. FIG. 15 is a longitudinal sectional view of the passenger seat. FIG. 16 is a bottom view of the passenger seat. FIG. 17 is an enlarged cross-sectional view taken along a virtual cutting plane including a line XVII-XVII in FIG. 15 and viewed in a direction of an arrow. FIG. 18 is a partially omitted plan view of a pillion seat band. FIG. 19 is a side view of FIG. 18; FIG. 20 is a diagram for explaining a conventional technique. 21 is an enlarged cross-sectional view taken along a virtual cutting plane including a line IIXI-IIXI in FIG. 20 and viewed in a direction indicated by an arrow. [Description of Reference Codes] 1 Passenger seat mounting structure for motorcycle 3 Motorcycle 15L Seat rail frame 15R Seat rail frame 35 Frame cover 37 Part of frame cover 41 Passenger seat 41u Upper surface 44 of passenger seat Pillion seat The band 44U is a portion that the passenger can grasp and a portion 44L that holds the upper surface of the passenger seat 44L A portion that is a portion that the passenger holds and that excludes the portion that presses the upper surface of the passenger seat 44R A portion that the passenger holds. A portion 45L excluding a portion that presses the upper surface of the passenger's seat 45L A front end 45R of the passenger's seat 47s A front end 47s of the passenger's seat Screw part 47a of fastening means Fastening means 51a Spacer part 51 Metal fitting 53 Spacer through hole 55 rubber tubular spacer

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B62J 1/14

Claims (1)

(57) [Claims] [Claim 1] Seat rail frame at the rear of the body frame
And the storage box attached to this seat rail frame.
Cover with a seat cowling.
Passenger molded separately from the driver's seat at the top of the driver's seat
Motorcycle with seat and pillion seat band
Oite in the car, the seat cowling, the sheet is fit for the passenger to the top
The upper flat recess is provided and both sides thereof
A through-hole for passing a pillion seat band is formed in the wall, and the passenger seat is provided with the seat cowls at the front left and right sides.
Pillion seat band at the location corresponding to the through hole in the ring
A band passage hole is formed through which a seat for riding in
And seat back of the passenger seat
Fasten and secure to the storage box together with the cowling
The front of the passenger seat is a pillion seat van
The pillion seat band on the upper surface of the passenger seat.
The left and right sides of the passenger seat.
Insert the band into the seat cowling through the hole, and
Of the seat rail with the seat cowling
Fasten securely to the seat rail bracket provided on the frame
A seat mounting structure for a passenger of a motorcycle, which is characterized by the following.