JP4501539B2 - Motorcycle seat equipment - Google Patents

Description

  The present invention relates to a seat device for a motorcycle.

  In the case of a vehicle that runs across a driving seat such as a motorcycle, the height of the driving seat is an important requirement for the driver. In the case of a four-wheeled vehicle, the driver's seat is generally easily adjustable in the front-rear direction and the vertical direction according to the driver's body shape. In the case of a motorcycle, the driver's seat is generally a body frame (usually The seat rail is fixed via an elastic body such as a rubber cushion, and its position, particularly its height, cannot be adjusted.

If the driver's driving position affects maneuverability, like a motorcycle, the motorcycle can be driven in a more appropriate driving position if the height of the driver's seat can be adjusted according to the individual physique of the driver. . Therefore, as a conventional technique that makes it possible to adjust the driving seat height of a motorcycle, for example, a driver's seat and a passenger's seat are arranged on the front and rear of a seat frame that extends to the rear of the main frame. Or a seat that is configured to be selectively engaged and supported by a step-like height adjusting element fixed to the seat frame (see, for example, Patent Document 1), or a seat that extends rearward from the main frame and supports the driver's seat Some frames are configured to be swingable up and down via a link mechanism, or configured to be vertically adjustable by engaging a rack and pinion gear (see, for example, Patent Document 2).
Japanese Patent No. 3040714 (paragraph numbers [0011] to [0017], FIGS. 1 and 2) Japanese Patent Laid-Open No. 3-208783 (pages 3 to 5, FIGS. 2 to 6)

  However, in the case of a structure in which the driver's seat is selectively engaged and supported by the step-like height adjustment element, a frame cover that is attached to the seat frame and covers the rear of the vehicle body when the seat height is changed in the vertical direction A gap is generated between the driver seat and the aesthetic appearance.

  In addition, in the case of a structure that adjusts the seat height using a link mechanism or rack and pinion gear, there are many mechanical moving parts, the structure is complicated, and the rigidity and dimensional accuracy of the entire device are required, and the weight and cost are Becomes bulky.

  The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to provide a seat device for a motorcycle that can adjust the height of a driving seat with a simple structure without impairing the aesthetic appearance.

In order to solve the above-described problems, a motorcycle seat device according to the present invention includes a front seat for a driver and a rear seat for a passenger on a vehicle body frame, as described in claim 1. In the seat device for a motorcycle mounted side by side, the front seat and the rear seat are formed by dividing the front seat and the front seat, and the height of the front seat is adjusted between the front seat and the body frame. A front bottom plate constituting a lower portion of the front seat is formed in a shape in which left and right side edges are curved downward and a central portion in the left-right direction is recessed upward; A front seat under cover having a shape that extends over substantially the entire length of the front bottom plate between the frame and the front bottom plate and overlaps from below , is provided at the front lower portion of the front seat under cover, Up A front hook that can be engaged with the vehicle body frame is provided, and a rear bottom plate that constitutes a lower portion of the rear seat is configured to be detachable from a fixing device provided on the vehicle body frame, and the front seat under cover and the rear portion While fixing to the body frame by integrally or integrally connecting to the bottom plate, the front seat is fixed to the front seat under cover and the rear bottom plate so that the height can be adjusted in the vertical direction, Cushion materials having different heights penetrating the front seat under cover can be selectively interposed between the front bottom plate and the vehicle body frame .

Furthermore, in order to solve the above-described problem, as described in claim 2 , the cushion material is formed into a shape having at least a plurality of different heights, and the cushion material is attached to the lower surface of the front bottom plate. The mounting position is fastened so as to be changeable, and the height of the front seat can be changed by changing the contact surface of the vehicle body frame with the cushion support portion.

And in order to solve the subject mentioned above, as described in Claim 3 , the center hook which can be engaged with the said vehicle body frame is provided in the front lower part of the said rear part baseplate.

  According to the seat device for a motorcycle according to the present invention, the front seat under cover closes a gap between the front seat and a member below the front seat, and does not impair the aesthetic appearance. Further, the seat device can be easily attached to the vehicle body frame.

  Furthermore, the peeling of the coating and the generation of scratches due to the deformation of the front seat under cover and the interference with the adjacent frame side cover are prevented, and the number of parts can be reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a left side view showing an example of a motorcycle to which the present invention is applied. As shown in FIG. 1, the motorcycle 1 has a body frame 2, and an engine 3 is mounted on the lower front portion of the body frame 2. The body frame 2 of the motorcycle 1 is mainly composed of a main frame 4, a seat frame pillar 5, a tank rail 6, a seat rail 7, and a down tube 8.

  The tank rail 6 consists of a pair of left and right, and extends rearward and obliquely downward from the rear surface of the head pipe 9 provided at the foremost part of the body frame 2. Further, a down tube 8 extends downward and rearward from the lower rear surface of the head pipe 9, and extends downwardly below the engine 3.

  The main frame 4 extends downward from the lower surface of the tank rail 6 slightly closer to the rear. A seat frame pillar 5 extends rearward and obliquely upward from a substantially central rear portion of the main frame 4, and a rear end portion of the tank rail 6 is connected to the center portion of the seat frame pillar 5 slightly forward. Further, a seat rail 7 is installed between the upper surface of the rear portion of the tank rail 6 and the upper surface of the rear portion of the seat frame pillar 5.

  A fuel tank 10 is installed on the tank rail 6, and a seat device 11 is installed on the rear part of the tank rail 6 and above the seat rail 7. The seat device 11 includes a driver's front seat 12 and a passenger's rear seat 13 arranged side by side, and a joint between the tank rail 6 below the front seat 12 and the seat frame pillar 5. The upper part of the main frame 4 is covered with a frame side cover 14, and the seat rail 7 below the rear seat 13 and the rear part of the seat frame pillar 5 and the rear of the rear seat 13 are covered with a seat tail cover 15. Further, a grab bar 16 is provided behind the rear seat 13, and a rear combination lamp 17 is provided behind the seat tail cover 15.

  The motorcycle 1 is covered with a streamlined cowling 18 at the front upper part of the vehicle body (in front of the head pipe 9) to reduce air resistance during travel and protect the driver from travel wind pressure. A headlight 19 is provided on the front surface of the cowling 18, a running wind intake 20 is provided above the headlight 19, and a windshield 21 is provided above the headlight 19.

  On the other hand, the head pipe 9 is provided with a steering mechanism 22. The steering mechanism 22 is provided with a pair of left and right front forks 24, a handle bar 25, a front fender 26, and the like that support a front wheel 23 in a freely rotating manner and incorporate a shock absorber (not shown). The front wheel 23 is steered so as to be able to turn left and right.

  On the other hand, the main frame 4 also serves as a swing bracket, and a pivot shaft 27 is installed at the center lower part thereof. A pivot shaft 27 has a base end portion of a swing arm 28 pivotally mounted around the pivot shaft 27 and elastically supported by the vehicle body frame 2 via a rear cushion unit 29. And the rear wheel 30 is pivotally supported by the free end of this swing arm 28 so that rotation is possible. Further, a rear fender 31 is provided immediately above the rear wheel 30 of the vehicle body frame 2.

  The engine 3 is, for example, a DOHC type parallel multi-cylinder engine, and the cylinder assembly 33 is mounted on the front upper part of the crankcase 32 with the cylinder assembly 33 slightly tilted forward. A carburetor 34 and an air cleaner 35 constituting an engine intake system are connected to the rear part of the cylinder assembly 33, and an exhaust pipe 36 constituting an engine exhaust system is connected to the front part of the cylinder assembly 33 for each cylinder. Each exhaust pipe 36 once extends toward the front of the engine 3 and then extends downward at the front part of the engine 3. The exhaust pipe 36 is bent toward the rear at the front lower part of the engine 3 and gathers together at the lower part of the engine 3. It becomes. The assembled exhaust pipe 36 extends from the lower part of the engine 3 toward the right rear side of the vehicle body, and a muffler 37 is connected to the downstream end thereof.

  FIG. 2 is a longitudinal sectional view of the sheet apparatus 11. 3A and 3B are cross-sectional views taken along the line III-III in FIG. 4A and 4B are cross-sectional views taken along line IV-IV in FIG. 2, and FIGS. 5A and 5B are cross-sectional views taken along line VV in FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG.

  As shown in FIG. 2 to FIG. 6, the driver's front seat 12 and the passenger's rear seat 13 constituting the seat device 11 are divided into front and rear parts, and each is formed by, for example, a synthetic resin or a metal plate. A cushion member 42 such as sponge is placed on the formed front bottom plate 40 and rear bottom plate 41 and covered with leather 43 or the like.

  Further, the front bottom plate 40 is formed in a shape in which left and right side edges are curved downward, and a central portion in the left-right direction is recessed upward. Further, below the front bottom plate 40, there is disposed a front seat under cover 44 formed of, for example, a synthetic resin, a metal plate, or the like, which has a shape extending over substantially the entire length and overlapping from below.

  A stay 45 extends downward from the lower surface of the front bottom plate 40, and a stay 46 extends downward from the lower surface of the front seat under cover 44 adjacent to the stay 45. The stays 45 and 46 are connected by, for example, bolts 47 and nuts 48 so that the front seat 12 and the front seat under cover 44 are integrated (see FIGS. 2 and 4A).

  Further, the rear seat 13 and the front seat under cover 44 are integrated by connecting the rear end of the front seat under cover 44 and the front end of the rear bottom plate 41 with, for example, a bolt 49 and a nut 50 (FIG. 2 and FIG. 6), the front seat 12 and the rear seat 13 are connected via the connecting bracket 51, and the front seat 12, the rear seat 13, and the front seat under cover 44 are integrated as described above. A sheet device 11 is formed.

  A front hook 53 that can be engaged with, for example, a front engagement bracket 52 provided on the vehicle body frame 2 is provided at the front lower portion of the front seat under cover 44. Further, a center hook 55 that can be engaged with, for example, a center engaging bracket 54 provided on the vehicle body frame 2 is also provided at the front lower portion of the rear bottom plate 41. Further, a striker 57 that can be engaged with and disengaged from a locking device 56 that is a fixing device provided on the vehicle body frame 2 is provided at the lower rear portion of the rear bottom plate 41. As described above, the seat device 11 is detachably attached to the vehicle body frame 2 and the lock device 56 prevents the seat device 11 from being stolen.

  By the way, each of the engagement brackets 52 and 54 and the lock device 56 described above cannot support the load applied to the vehicle body frame 2 via the seat device 11, so that an elastic body such as rubber is provided between the seat device 11 and the vehicle body frame 2. Cushion materials 58 to 61 formed from are interposed. Specifically, a pair of left and right first cushion rubbers 58 on the front of the stay 45 on the lower surface of the front bottom plate 40, a pair of left and right second cushion rubbers 59 on the rear of the stay 45, and a center hook on the lower surface of the rear bottom plate 41 A pair of left and right third cushion rubbers 60 are provided in front of 55, and a pair of left and right fourth cushion rubbers 61 are provided in front of the striker 57.

  The first cushion rubber 58 disposed on the lower surface of the front bottom plate 40 and in front of the stay 45 is detachably attached to the lower surface of the front bottom plate 40 with bolts 62 and nuts 63, for example, as shown in FIG. At the same time, the lower surface of the first cushion rubber 58 is placed on a stay 64 that is a cushion support portion extending from the upper portion of the tank rail 6 toward the center of the vehicle body.

  Further, the second cushion rubber 59 disposed on the lower surface of the front bottom plate 40 and behind the stay 45 is detachable from the lower surface of the front bottom plate 40 by, for example, a bolt 65 and a nut 66 as shown in FIG. And the lower surface of the second cushion rubber 59 is placed on the upper surface of the seat rail 7 which is a cushion support portion. A cushion hole 67 through which the first cushion rubber 58 and the second cushion rubber 59 can pass is formed in the front seat under cover 44 disposed between the front bottom plate 40 and the tank rail 6 and the seat rail 7. The

  Further, the third cushion rubber 60 on the lower surface of the rear bottom plate 41 is bonded to, for example, the lower surface of the rear bottom plate 41, while the fourth cushion rubber 61 is not shown in detail, but the engagement protrusion is formed on the lower surface of the rear bottom plate 41. The engagement hole is engaged.

  When the driving position of the driver affects the maneuverability like the motorcycle 1, the motorcycle 1 can be driven at a more appropriate driving position if the height of the seat device can be adjusted according to the individual physique of the driver. It becomes. Therefore, the seat device 11 of the motorcycle 1 according to the present invention includes a height adjusting means 68 that makes it possible to adjust the height of the front seat 12 for the driver.

  As shown in FIGS. 4 (a) and 4 (b), the stay 46, which is a height adjusting means 68 extending downward from the lower surface of the front seat under cover 44, has two mounting holes 69, upper and lower. When the front seat 12 is used in the “low” position, the stay 45 that is another height adjusting means 68 extending downward from the lower surface of the front bottom plate 40 of the front seat 12 The front seat 12 and the front seat under cover 44 are integrated at a low position by being connected to the side mounting hole 69 with, for example, a bolt 47 and a nut 48 (see FIG. 4A).

  Similarly, as shown in FIG. 2, two attachment holes 71 and 72 are formed in the connection bracket 51, which is another height adjusting means 68 for connecting the front seat 12 and the rear seat 13, so that the front When the front seat 12 is used at the “low” position, the front seat 12 is attached to the lower mounting hole 71 of the connecting bracket 51 so that the front seat 12 is integrated with the rear seat 13 at the lower position.

  On the other hand, when the front seat 12 is used in the “high” position, the front 45 is connected to the upper mounting hole 70 by connecting a stay 45 extending downward from the lower portion of the front bottom plate 40 of the front seat 12 to the front seat 12. The seat 12 and the front seat under cover 44 are integrated at a high position (see FIG. 4B).

  Similarly, although not shown in detail, the front seat 12 is integrated with the rear seat 13 at a high position by attaching the front seat 12 to the attachment hole 72 on the upper side of the connection bracket 51.

  By the way, when the front seat 12 is set to the “high” position, the first cushion rubber 58 and the second cushion rubber 59 provided on the lower surface of the front bottom plate 40 and the body frame 2, specifically the first cushion. A stay 45 that connects the front seat 12 and the front seat under cover 44 by creating gaps between the rubber 58 and the stay 64 above the tank rail 6 and between the second cushion rubber 59 and the upper surface of the seat rail 7. It is difficult to support the load applied to the vehicle body frame 2 via the seat device 11 with only the connecting bracket 51 that connects the front seat 12 and the rear seat 13.

  Therefore, in the present invention, cushion materials 58 to 61 having different heights, which are formed of an elastic body and pass through the front seat under cover 44, are selectively interposed between the lower surface of the front bottom plate 40 and the vehicle body frame 2. It is configured to eliminate the gap by wearing.

  Specifically, the first cushion rubber 58 and the second cushion rubber 59 are formed in at least a plurality of shapes having two different heights in the present embodiment, for example, stepped shapes. Then, these cushion rubbers 58 and 59 are rotated 180 degrees in the horizontal direction, for example, and are fastened so that the mounting position on the lower surface of the front bottom plate 40 can be changed, thereby changing the contact surface to the vehicle body frame 2. Thus, the substantial height of the front seat 12 can be changed (see FIGS. 3B and 5B).

  Next, the operation of this embodiment will be described.

  By providing the seat device 11 with the height adjusting means 68 that makes it possible to adjust the height of the front seat 12 for the driver, the driver can drive the motorcycle 1 at a more appropriate driving position. At this time, if the front seat 12 is used at the “high” position, the front seat 12, the joint between the tank rail 6 and the seat frame pillar 5 below the front seat 12, and the frame side cover 14 covering the upper part of the main frame 4, However, in the present invention, the shape is provided below the front seat 12 and extends substantially over the entire length of the front bottom plate 40 and overlaps from below. Since the front seat under cover 44 having the above is always fixed to the vehicle body frame 2 regardless of the position of the front seat 12, the front seat under cover 44 does not block the above-described gap and impair the aesthetic appearance. .

  In addition, the front seat 12 and the front seat under cover 44 can be integrated, and the rear seat 13 and the front seat under cover 44 can also be integrated. The front seat under cover 44 can be integrated. A front hook 53 that can be engaged with, for example, a front engagement bracket 52 provided on the vehicle body frame 2 is provided at the front lower portion of the front seat under cover 44, and is provided on the vehicle body frame 2, for example, below the rear bottom plate 41. The seat device 11 is assembled integrally by providing a center hook 55 that can be engaged with the center engaging bracket 54 and a striker 57 that can be engaged and disengaged with a locking device 56 that is a fixing device provided on the vehicle body frame 2. It can be easily attached to the vehicle body frame 2 in a state where it is in contact.

  Further, two upper and lower mounting holes 69 and 70 are formed in the stay 46 extending downward from the lower surface of the front seat under cover 44, and downward from the lower surface of the front bottom plate 40 of the front seat 12. By allowing the extended stay 45 to be selectively connected to either one of the mounting holes 69 and 70, the front seat 12 moves up and down with respect to the front seat under cover 44 and the rear bottom plate 41 of the rear seat 13. The height of the direction is fixed to be adjustable.

  And the height formed from the elastic body which penetrates the front seat under cover 44 between the front bottom plate 40 of the front seat 12 and the vehicle body frame 2, specifically, the tank rail 6 and the seat rail 7. Since the different cushion materials 58 and 59 can be selectively interposed, the cushion materials 58 and 59 receive the load acting on the seat device 11, and no unnecessary load acts on the front seat under cover 44. . As a result, the peeling of the coating and the generation of scratches due to the deformation of the front seat under cover 44 and the interference with the adjacent frame side cover 14 are prevented.

  In addition, the cushion materials 58 to 61 described above, in the present embodiment, the first cushion rubber 58 and the second cushion rubber 59 are formed in, for example, a step shape having at least a plurality of different heights, and these cushion rubbers are, for example, horizontal It is possible to change the height of the front seat 12 by changing the abutment surface to the vehicle body frame 2 by changing the attachment position to the lower surface of the front bottom plate 40 by rotating 180 degrees in the direction. By doing so, the height of the front seat 12 can be easily adjusted, and it is not necessary to always provide a plurality of cushion materials having different heights, so that the number of parts can be reduced.

  The front seat 12 and the rear seat 13 are provided at the front lower portion of the rear bottom plate 41 of the rear seat 13 by providing, for example, a center hook 55 that can be engaged with a center engaging bracket 54 provided on the vehicle body frame 2. And the front seat under cover 44 are integrated, the rigidity of the seat device 11 attached to the vehicle body frame 2 is improved. As a result, it is possible to prevent the sheet apparatus 11 from being unexpectedly broken and mischiefed, or an object in a container (not shown) provided below the sheet apparatus 11 from being stolen.

1 is a left side view of a motorcycle showing an embodiment of a seat device for a motorcycle according to the present invention. The longitudinal cross-sectional view of a sheet apparatus. (A) And (b) is sectional drawing which follows the III-III line of FIG. (A) And (b) is sectional drawing which follows the IV-IV line of FIG. (A) And (b) is sectional drawing which follows the VV line of FIG. Sectional drawing which follows the VI-VI line of FIG.

Explanation of symbols

1 Motorcycle 2 Body frame 6 Tank rail (body frame)
7 Seat rail (body frame, cushion support)
11 seat device 12 front seat 13 rear seat 40 front bottom plate 41 rear bottom plate 44 front seat under cover 45, 46 stay (height adjusting means)
51 Connection bracket (height adjustment means)
53 Front hook 55 Center hook 56 Locking device (fixing device)
58-61 1st-4th cushion rubber (cushion material)
64 stay (cushion support)

Claims (3)

In a motorcycle seat device in which a driver's front seat and a passenger's rear seat are placed side by side on the vehicle body frame, the front seat and the rear seat are divided into front and rear, A height adjusting means for adjusting the height of the front seat is provided between the front seat and the vehicle body frame, and the left and right side edges of the front bottom plate constituting the lower portion of the front seat are provided. A shape that is curved downward and has a shape in which the central portion in the left-right direction is recessed upward, and extends over the entire length of the front bottom plate between the body frame and the front bottom plate, and overlaps from below. the front seat undercover having provided on a front lower portion of the front seat undercover provided with engageable front hook to the body frame, a rear bottom plate constituting the lower portion of the rear seat The front seat under cover and the rear bottom plate are integrally or integrally connected to be fixed to the vehicle body frame while being fixed to the vehicle body frame. The height of the front seat under cover and the rear bottom plate is fixed so as to be adjustable in the vertical direction, and the height of the front seat under cover penetrating between the front bottom plate and the vehicle body frame is adjusted. A seat device for a motorcycle, wherein different cushion materials can be selectively interposed . The cushion material is formed into a shape having at least a plurality of different heights, and the cushion material is fastened so that the mounting position on the lower surface of the front bottom plate can be changed. The seat device for a motorcycle according to claim 1 , wherein the height of the substantial front seat can be changed by changing the contact surface. The seat device for a motorcycle according to claim 1 or 2, wherein a center hook that can be engaged with the vehicle body frame is provided at a front lower portion of the rear bottom plate.

Images