KR0174322B1 - Seat installation structure of motorcycle - Google Patents

Abstract

The present invention relates to a seat mounting structure of a two-wheeled vehicle that provides easy seating, less gutter, and a simpler seat mounting structure. The present invention relates to a pair of left and right rails extending to the rear of the vehicle body, The frame member constituting the vehicle body rear portion is formed by a cross plate cross-linked with each other, and the front and rear two sheets 30 and 40 supported on the frame member are disposed, and the front portion of each sheet 30 and 40 is formed. In the seat mounting structure of a two-wheeled vehicle equipped with a load receiving portion for transmitting a load to the frame member and a rear portion and a positioning portion with the frame member, the load receiving portion 36 of the front seat rear portion and the load receiving portion of the rear sheet front portion are provided. The part 45 is superimposed on a plane, and the front sheet load receiving part 36 is sandwiched between the rear sheet load receiving part 45 and the frame member, and the rear sheet front part is located near these. Is equipped with the positioning part 44 of the frame which restricts the movement of the upper side.

Description

Seat mounting structure of the motorcycle

1 is a partial side cross-sectional view showing a conventional sheet fixing structure.

2 is an overall side view of the motorcycle of an embodiment of the present invention.

3 is a side view showing the body frame structure of the same-wheeled motorcycle.

4 is a plan view of the same.

5 is the same rear view.

6 is a side view of a part of the rear load sheet in cross section.

FIG. 7 is the same rear view.

Fig. 8 is a side view of a part of the rear sheet in cross section.

9 is the same side of the same figure.

FIG. 10 is a side view showing, in partial cross section, a state in which a rear load sheet and a rear sheet are fixed to a vehicle body frame; FIG.

11 is a rear view of the sheet lock device according to the embodiment of the present invention.

12 is a side view showing, in partial cross section, a state in which a rear load sheet and a rear sheet are fixed to a vehicle body frame according to still another embodiment of the present invention.

13 is a partial cross-sectional view at another cut in the embodiment.

* Explanation of symbols for main parts of the drawings

E: Engine F: Fuel Tank

O: Oil tank FB: Fuse box

1: two-wheeled vehicle 2: front wheel

3: handle 4: rear load fork

5: head pipe 6: mainframe

7: center frame 8: rear fork

9: rear wheel 10: cross member

12: Sea Trail 13: Backstay

14: first cross plate 15: cross pipe

16: reinforcement pipe 17: bracket

20: second cross plate 21: third cross plate

22, 23: mounting stay 25: helmet holder

26: tool storage space 30: rear load sheet

31: bottom plate 32: cushioning material

33: arm support member 34: arm member for engaging support

35: load receiving portion 36: load receiving arm member

37: positioning pin 38: extending protrusion

39: hook 40: rear seat

41: bottom plate 42: cushioning material

43: arm support member 44: arm member for engaging support

45: front load receiving portion 46: rubber foot

47: rear load receiving portion 48: rubber foot

49: positioning pin 50: hook

60: seat lock device 61: support plate

62: swinging support plate 63: clinch member

64: lock arm member 65: clinch member

66: spring 67: key cylinder

70: sheet lock device 71: support plate

72: swinging support plate 73: key cylinder

80: rear sheet 81: bottom plate

83: arm support member 84: arm member for engaging support

85: front load receiving portion 86: rubber foot

87: rear load receiving portion 88: rubber foot

89: positioning pin 90: hook

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat mounting structure of a two-seater automatic two-wheeled vehicle having a front seat seated by a driver and a rear seat seated by a passenger.

Conventionally, there have been several examples of dividing the seat back and forth to allow the driver and passenger to be seated, but since it is composed of two seats, in order to mount them on the vehicle body, the seats are fixed by bolts to the seat trail, etc. As the number increased, the cost increased and the maintenance of the vehicle was cumbersome.

Thus, there is an example of a sheet fixing device (Japanese Laid-Open Patent Publication No. 62-35655) having a structure in which the sheet is divided back and forth and fixed to the front sheet at the same time by fixing the rear sheet. The structure of the example is shown in FIG. Explain.

A pair of left and right main pipes 02 extends rearward from the head pipe 01, a down tube 03 extends in the lower portion thereof, and the main pipe 02 and the down tube 03 have a center pillar (04). Are connected by

Then, the left and right pair of sea trails 05 extend upward from the main pipe 02 to be inclined more rearward, and the backstay 06 extending from the lower end of the center pillar 04 supports the sea trails 05 from below. Doing.

The fuel tank 07 hangs on the main pipe 02, and the front sheet 08 and the rear sheet 09 hang on the back and rear of the sheath trail 05.

The pair of left and right sheath trails 05 are crosslinked with a first cross member 05a in the front portion, a cross pipe 05b in the middle portion, and a second cross member 05c in the rear portion.

The front sheet 08 is integrally protruded from the lower surface front central portion of the bottom surface of the front sheet 08 so that the arm member 08a is inserted into the lower portion of the first cross member 05a. The recessed portion 08b of the bottom plate area is mounted on and supported by the intermediate cross pipe 05b.

A rear arm member 08c protrudes to the rear side at the rear center portion of the bottom plate of the front sheet 08, and a square engaging hole 08d is drilled in the rear arm member 08c.

The engaging hole 08d is formed a little larger in order to install the gutter, and the gutter allows the bottom plate to absorb the bending of the driver when the driver is seated on the front seat.

On the other hand, the rear sheet 09 is integrally protruded from the front arm member 09a at the front center portion of the bottom plate, and the click part piece 09d protruding downward from the front end of the front arm member 09a is disposed. The front arm member 09a of the rear sheet 09 is superimposed on the rear arm member 08c of the front sheet 08, and the front arm member 09a is provided in the engaging hole 08d of the rear arm member 08c. Click piece 09b is fitted to be engaged.

At the same time, the side plate arm member 09c extends downward from both sides of the bottom plate front foot of the rear sheet 09 and is inclined forward, and a click portion 09d is formed at the lower end of the side plate arm member 09c. The side locking support member 05d of the shi trail 05 is supported to be locked.

In addition, the engaging projection 09e protrudes downward in the rear center portion of the rear sheet 09 bottom plate, and is engaged with the fitting hole 05e in the second cross member 05c of the rear portion of the rear trail 05. The supporting member 05f is disposed, and the locking supporting member 05f is equipped with a locking mechanism, and the locking projection 09e is inserted into the fitting hole 05e from the top to thereby position and lock. The mechanism is operated and locked.

When fixing the rear sheet 09, a gutter is provided at the engagement portion between the front click portion 09b and the rear engagement hole 08d of the front sheet 08d, so that the gutter is separately pressed. Since the structure is required, there is a limit in the freedom of the sheet shape when the structure is complicated or when the gutter is pressed by pushing the cushions of the front and rear sheets together.

In addition, the rear sheet 09 engages the rear seating hole 08d of the front sheet 08 and simultaneously holds the tip click portion 09d of the side arm member 09c on the seat trail 05. It takes time to assemble because it is a structure that enforces position control on the upper part.

This invention is made | formed in view of such a point, Comprising: It aims at providing the sheet-mounting structure which is easy to assemble, there are few dusts, and a simple sheet mounting structure.

In order to achieve the above object, the present invention comprises a frame member constituting the vehicle body rear portion by a pair of left and right rails extending to the rear of the vehicle body, and a cross plate that extends laterally, and the front and rear 2 supported on the frame member. In the seat mounting structure of a two-wheeled vehicle in which two sheets are disposed, and each of the seat front part and the rear part has a load receiving part for transmitting a load to the frame member and a positioning part of the frame member, the front seat rear part load With the frame which superimposes the load receiving part of an accommodating part and the rear sheet front part in plane, and fits the said front sheet load receiving part by a rear sheet load receiving part and a frame member, and restrict | removes a rear sheet front part to upper part in these vicinity. It was set as the sheet mounting structure of the motorcycle which installed the positioning part.

The front sheet and the rear sheet are respectively positioned at the positioning portion and supported by the frame member at the load receiving portion, but at that time the front portion of the rear sheet is positioned at the positioning portion and the front sheet is positioned by the rear sheet load receiving portion and the frame member. It can be fixed by inserting the load receiving part, and its simple structure makes it easy to assemble. Also, since the sheet bottom plate does not affect the sheet positioning, it does not require a spare gutter. Can provide.

In addition, since the rear sheet does not have a side plate arm member and there is no need to arrange a portion for holding the side plate arm member on the seat trail, space can be efficiently used in the vehicle body structure.

The positioning portion of the rear sheet front portion engages with the cross plate to restrict movement to the upper portion of the rear sheet front portion, thereby simplifying the configuration and facilitating the assembling work.

Hereinafter, an embodiment of the present invention shown in FIGS. 2 to 11 will be described.

2 is an overall side view of the motorcycle 1 of this embodiment.

The front wheel 2 is steered by the handle 3 through the front fork 4, and the left and right pair of main frames 6 are inclined downward from the head pipe 5 rotatably supporting the front fork 4. The rear fork extends rearward and the rear fork 8 extends rearward, and the rear fork is extended to the center frame 7 arranged at the rear end of the main frame 6. At the rear end of the rear wheel 9 is supported on the shaft.

Referring to FIGS. 3 to 5, a pair of left and right cross members 10 and a head pipe 5 cross-installed between the center portions of the left and right pairs of main frames 6 at the bottom of the main frame 6 are referred to. Of the subframe 11 of the main frame 6, the pair of left and right seaside trail 12 extends rearward from the slightly upper portion than the cross member 10 of the main frame 6, the rear end center of the main frame 6 A pair of left and right backstays 13 extend upwardly and obliquely backward from the frame 7 to be integrally coupled with the rear end of the sea trail 12 to form a rear body frame.

As shown in FIG. 2, the front part of the vehicle body is covered by the front cover 14, in which an engine E is supported and mounted on the main frame 6, and on the main frame 6, a fuel tank. (F) is bridged and supported, and the front sheet 30 and the rear sheet 40 which are divided back and forth are supported on the sheet trail 12 to be disposed.

The first cross plate 14 corresponding to the first cross member is connected between the center portions of the left and right pairs of trail trails 12, and from the middle of the crosspipe 15 connecting the left and right center frames 7 to each other. The reinforcement pipe 16 installed to be inclined rearward supports the fuel tank mounting sheet surface 14a which protrudes slightly upward from the center portion of the first cross plate 14 from below.

A pair of right and left brackets 17 are fixed to the fastening portion of the reinforcement pipe 16 with the first cross plate 14 in parallel, and the upper end of the rear suspension is rotated between the pins provided with bridges between the two brackets 17. Possibly mounted.

The second cross plate 20 corresponding to the second cross member is cross-linked and installed in the bridge shape between the rear ends of the sea trail 12. The second edge plate 20 has a rear edge cut into a square shape. The recessed part 20a is formed, and the circular hole 20b is drilled in the left and right predetermined position (refer FIG. 4, FIG. 5).

In addition, between the rear ends of the rear backstays 13, a third cross plate 21 corresponding to the third cross member is cross-linked and provided at a left and right predetermined positions of the third cross plate 21. The circular hole 21a is provided in the perforation (refer FIG. 4, FIG. 5).

At the left and right front ends of the third cross plate 21, mounting stays 22 and 23 for mounting the sheet lock device 60 are protruded from the left and right, respectively (see Fig. 5).

Moreover, the mounting stay 24 which fixes the key cylinder 67 of the sheet lock apparatus 60 is provided in the rear part of the left backstay 13 vertically.

In addition, from the left and right sides of the third cross plate 21, a helmet holder 25 that hangs the chin strap member of the helmet protrudes upward, and when the chin strap member is attached to the helmet holder 25, the rear sheet 40 is attached and locked. The helmet can not be removed to prevent theft.

The front sheet 30 is supported by the first cross plate 14 and the second cross plate 20, and the rear sheet 40 is supported by the second cross plate 20 and the third cross plate 21.

In the lower part of the front sheet 30, an oil tank (0) is disposed on the left side and a reserve tank (R) on the right side, as indicated by the dashed-dotted line in FIG. It closes so that opening and closing is possible by a gap.

The fuse box FB is arrange | positioned behind the water supply port of the reserve tank R. As shown in FIG.

The lower part of the rear sheet 40 has a tool storage space 26 formed between the second cross plate 20 and the third cross plate 21.

As shown in FIGS. 6 and 7, the front sheet 30 is formed so that the front portion is largely cut out in the center so that the front sheet 30 can be engaged with the rear portion of the fuel tank F, and the upper portion of the bottom plate 31 is provided. The cushioning material 32 is covered.

The arm support member 33 extends downward from the center front portion of the bottom plate 31, and both left and right ends thereof protrude forward to form the arm support 34 for holding the front sheet.

The gap between the left and right arm supporting arm members 34 is a gap such that the brackets 17 on the left and right sides of the reinforcing pipe 16 are accurately inserted inward.

The load-receiving portions 35 of the front sheet extend from the bottom plate 31 downwardly toward the left and right lateral positions of the front end portion of the left and right engaging support arm members 34, respectively.

The lower end of the load receiving portion 35 is at a predetermined height higher than that of the catching arm member 34, and the first cross plate 14 may be fitted therebetween.

The load receiving arm member 36 protrudes from the rear left and right positions of the bottom plate 31 to the rear side, and the positioning pin 37 protrudes downward from the predetermined position of the lower surface of each load receiving arm member 36. The load receiving arm member 36 corresponds to the second cross plate 20 and the positioning pin 37 corresponds to the circular hole 20b of the second cross plate 20.

In addition, the left and right portions of the bottom plate 31 which face the sea trail 12 are provided with an elongate protrusion 38 that can be abutted against the sea trail 12.

In addition, a hook 39 protrudes inwardly from the protruding portions of the front sheet 30 left and right, and the left and right hooks 39 are engaged with the lower side of the fuel tank F from the bottom side. The left and right front ends of the front sheet 30 protruding forward along the side surface of the fuel tank F are prevented from peeling off.

When mounting the front sheet 30 as described above on the sheet trail 12, first, the front arm left and right arm supporting members 34 of the front sheet 30 are placed on the lower side of the first cross plate 14. When the bracket 17 is inserted into the inner side to be inserted from the rear to be caught by the first cross plate 14, the front sheet 30 is positioned left and right by the bracket 17 and the load receiving portion 35 is positioned. The front surface of the sheet 30 is supported by abutting the upper surface of the first cross plate 14.

Then, by lowering the rear portion of the sheet 30, the load receiving portion arm member 36 is placed on the upper surface of the second cross plate 20, and the positioning pin 37 is inserted into the circular hole 20b. The front sheet 30 can be placed at a predetermined position by positioning of the front sheet 30.

On the other hand, the rear sheet 40, as shown in Figs. 8 and 9, the upper portion of the bottom plate 41 is covered with a cushioning material 42, the arm is supported from the center front of the bottom plate 41 to the bottom The member 43 extends, and the lower end portion thereof is bent forward to form an arm member 44 for locking.

The front load receiving portion 45 extends downward from the left and right portions of the arm supporting member 43 of the bottom plate 41 so that the gap between the front load receiving portions 45 is the left and right of the front sheet 30. It is the same as the clearance of the load receiving arm member 36, and the rubber foot 46 is fixed to the lower end of the front load receiving portion 45, and the lower surface of the rubber foot 46 is the locking support arm member 44 therein. Slightly higher position than the top surface of.

In the bottom plate 41, the rear load receiving portion 47 extends slightly downward toward the rear of the left and right front load receiving portions 45, respectively, and the rubber feet 48 are disposed at the lower end of the rear load receiving portion 47, respectively. ) Is stuck.

Further, the positioning pins 49 protrude downward in the vicinity of the center of the rear side of the left and right rear load-receiving portions 47 of the bottom plate 41, respectively.

Further, at the left and right center positions of the rear load-receiving portion 47, the hook 50 bent in a c-shape protrudes downward toward the front-back direction.

Therefore, as described above, after the front sheet 30 is placed on the sheet trail 12, the rear sheet 40 first moves the catching arm member 44 at the center of the front portion to the second cross flake 20. The arm supporting member 43 is fitted to the recessed portion 20a of the rear edge of the second cross plate 20 so as to be positioned left and right, and the left and right front load receiving portions ( The lower rubber feet 46 of 45 are placed on the left and right load receiving portion arm members 36 of the front sheet 30 which are already mounted on the upper surface of the second cross plate 20, and fixed by pressing.

Then, when the rear portion of the rear sheet 40 is pressed down, the rubber feet 48 of the rear load receiving portion 47 are abutted on the front surface of the upper surface of the third cross plate 21 and at the same time, the positioning pin 49 at the rear end thereof. It is inserted into the circular hole 21a of this 3rd cross plate 21, and the front-back positioning is performed, and the seat lock apparatus 60 is operated and it catches and locks the hook 50, and the rear sheet 40 is carried out. Is fixed on the seat trail 12.

By the fixing of the rear sheet 40, the load receiving arm member 36 of the front sheet 30 is pressed by the lower rubber feet 46 of the front load receiving portion 45 on the second cross plate 20. The front sheet 30 is also fixed by being pressed between the dragon arm member 44.

10 is a view showing a state in which the front sheet 30 and the rear sheet 40 are fixed.

In addition, the sheet look apparatus 60 which catches and peels the hook 50 is also demonstrated based on FIG. 10 and FIG.

In the main body of the sheet look device 60, the supporting plate 61 is fixed and disposed on the mounting stays 22 and 23 protruding from the left and right front ends of the third cross plate 21, and FIG. 11 shows the sheet look device. (60) is a rear view.

The support plate 61 is vertically supported, and the upper edge thereof has a shape in which a mountain protrudes from side to side, and a recess 61a for fitting the hook 50 between the two mountains is formed.

The oscillation locking support plate 62 is rotatably mounted to the support plate 61 by a clinch member 63, and the oscillation locking support plate 62 has a hook engaging support recess 62a at a part of the free end. And the recessed portion 62a is superimposed on the recessed portion 61a provided in the support plate 61 from the rear side so that the directions of the openings are orthogonal to each other, i.e., the right direction, due to the rocking state (11th) State of the solid line in the figure) is possible.

Moreover, the engaging projection 62b is formed in the free end part extended to the right direction of the swingable locking support plate 62.

In addition, the lock arm member 64 is rotatably mounted to the support plate 61 by the clinch member 65 at the lower right side, and the lock arm member 63 is formed of the arm 64a extending upward. It has a click portion 64b at its tip, and can engage with the projection 62b of the swingable locking support plate 62, and the arm 64c extending to the left side of the rotation support portion extends further to the side than the support plate 61. It extends long and the tip is bent slightly upward and extends to the rear with its upper edge curved to form the lever 64d.

Moreover, the projection 64e protrudes inclined downward from the rotation support part of the lock arm member 64, and is made to contact the stopper 61b arrange | positioned at the support plate 61. As shown in FIG.

As shown in FIG. 11, a spring 66 is sandwiched between the swingable locking support plate 62 and the lock arm member 64, so that the swingable locking support plate 62 and the lock arm member (11) in FIG. 64) is being forced to swing counterclockwise.

The seat lock device 60 is configured to operate the lever 64d extending rearward of the lock arm member 64 by pushing the pivoting operator 67a of the key cylinder 67 in contact with the lower part.

The state shown by the solid line in FIG. 11 is a locked state, and the lock arm member 64 which regulated the rocking | fluctuation by the stopper 61b of the rocking | lashing support board 62 is stopped by the click part 64b of the arm 64a. The protrusion 62b is engaged to restrict the swing by the spring 66 of the swingable support plate 62, and the recess 62a of the swingable support plate 62 opens the right side to support the support plate 61 from the top. It is forbidden that the hook 50 which fits into the recessed part 61a of the recess 50a at the same time, and pushes out the hook 50 which presses on the upper part is pressed.

In this locked state, the rear sheet 40 is fixed toward the vehicle body.

When the key is inserted into the key cylinder 67 to release the lock, the operator 67a pivots and swings the lever 64d of the lock arm member 64 upward, thereby eleventh of the lock arm member 64. In the figure, the click portion 64b is separated from the protrusion 62b of the swingable locking support plate 62 by the clockwise swing (a state shown by the double-dotted line in FIG. 11), and the swingable locking support plate 62 is a spring. The hook 50 is supported on the support plate because it swings counterclockwise by (66) (the state shown by the double-dotted line in FIG. 11) to push up the hook 50 so that the opening of the recess 62a is directed upward. The lock is released from the recess 61a of 61 to the upper side.

In addition, when locking in this unlocked state, the rear part of the rear sheet 40 is pressed, and when the hook 50 is inserted into the recessed part 61a of the support plate 61 by the pressurization, the oscillation locking support plate 62 In contact with the lower periphery of the recess 62a and swings the swingable locking support plate 62 in the clockwise direction so that the projection 62b is slid to the upper edge of the click portion 64b of the lock arm member 64. The rocking state shown by the solid line in FIG. 11 by the spring 66 is engaged with the projection 62b by the spring 66 at the place which rocked the member 64 and crossed the tip of the click part 64b. do.

Thus, only by pressing the rear part of the rear sheet 40, it is fixed to the vehicle body side, and is in a locked state.

Only one position of the arm member 44 for holding | hanging at the time of holding | maintenance of this rear seat | sheet 40 is hold | maintained, and operation | work is easy, and the front sheet 30 is simultaneously simultaneously fixed by the said rear seat | sheet 40 fixed. As it is fixed, the number of assembly processes is small and the work is simple.

As a structure that does not require a spare gutter, the front sheet 30 and the rear sheet 40 are positioned and supported by the vehicle body frame, respectively, so that the deflection of the front sheet base plate does not affect the sheet positioning and is firmly fixed. A comfortable sheet structure without a beaker can be realized.

In addition, since there is only one location of the rear seat engaging portion, which does not have a side arm member as in the conventional example, it is not necessary to arrange a portion for holding the side arm member on the seat trail, so that the vehicle body construction space can be effectively used. .

Since the front and rear sheets 30 and 40 are easy to mount and detach, the maintenance of the oil tank O, the reserve tank R, and the fuse box FB disposed below the sheet 30 can be easily performed. In addition, since the chin strap of the helmet can be locked and locked by the mounting of the rear sheet 40, the locking support of the helmet can be simplified.

Next, another embodiment will be described with reference to FIGS. 12 and 13.

In the above example, the frame structure and the front sheet of the vehicle body are almost the same as in the above embodiment, and the same reference numerals are used.

The upper point of the body frame has a rear sheet positioning circular hole 20c at each rear predetermined position of the left and right circular holes 20b of the second cross plate 20, and the second cross plate 20. On the lower side of the sheet lock device 70 as in the above embodiment is disposed, the support plate 71 of the sheet lock device 70 is provided with a recess 20a cut into a square shape at the rear edge of the second cross plate 20. ) And the upper part of the swingable locking support plate 72 penetrate upward.

In addition, the key cylinder 73 is also disposed on the left side of the second cross plate 20.

The only upper point of the front sheet 30 is the second position at a predetermined position behind the positioning pin 37 in the load receiving arm member 36 extending rearward from the rear left and right positions of the bottom plate 31. The circular hole 36a slightly larger in diameter than the circular holes 20c on the left and right of the cross plate 20 is provided.

The rear sheet 80 is a pair of left and right front and rear of the bottom plate 81, and the front load receiving portion 85 and the rear load receiving portion 87 protruding from the lower side are the same as the above embodiment, but the front load receiving portion ( 85, the positioning pin 89 protrudes downward through the fixed rubber foot 86, and the lower end of the rear load receiving portion 87 is the same as the above embodiment so that the rubber foot 48 is fixed. It is only.

In addition, a hook 90 that is locked to the sheet lock device 70 is formed at the center of the front portion of the bottom sheet 81 of the rear sheet 80, and the arm is supported at the center of the rear portion of the bottom plate 81. The member 83 extends downward, and the lower end thereof is bent backward to form the arm supporting member 84 for latching.

The present embodiment has the structure as described above. When the sheet is mounted, the front sheet 30 is first placed on the sheet trail 12 as in the above embodiment, and the rear sheet 80 is located at the rear center. The lower rubber feet 88 of the left and right rear load receiving portions 87 are placed on the third cross plate 21 so that the catching arm member 84 is inserted from the front side to the lower side of the third cross plate 21. Support by contact.

When the front portion of the rear sheet 80 is lowered, the positioning pin 89 at the lower end of the front load receiving portion 85 passes through the circular hole 36a provided in the load receiving arm member 36 of the front sheet 30. Also, it is inserted into the circular hole 20c of the second cross plate 20 to position the front, rear, left and right, and at the same time the rubber foot 86 is placed on the load receiving arm member 36 of the front sheet 30. Press to fix.

In addition, the hook 90 is engaged with the swingable locking support plate 72 of the sheet lock device 70 to be locked by the pressing of the front portion of the rear sheet 80.

Thus, this embodiment also positions and mounts the front sheet 30 on the sheet trail 12, and then the rear sheet 80 is first mounted with the arm supporting member 84 for the rear portion of the third cross plate 21. As shown in FIG. The rear sheet 80 is positioned and fixed simply by pressing the front portion and pressing the front portion, and the front sheet 30 is also locked, i.e., locked. Can be.

In addition, since the deflection of the front sheet bottom plate 31 does not affect the sheet positioning because it is a structure that does not require a preliminary gutter, it is possible to achieve a comfortable sheet fixing structure with fewer gutters.

In the above embodiment, the positioning sheet is provided with a dedicated positioning pin, but the sheet lock device can be locked at the same time as the positioning by locking as the locking mechanism by the engaging projection as exemplified in the conventional example. No crystal pin is required.

The present invention is a structure that does not require a preliminary gutter, so that the front sheet and the rear sheet can be positioned directly on the seat trail, and the front portion of the rear sheet can be positioned at the positioning portion so that the rear sheet load receiving portion and the frame member By inserting and fixing the front sheet load receiving portion, the effect of bending the sheet bottom plate is eliminated, whereby a simple sheet fixing structure with fewer gutters can be provided.

In addition, since the locking support portion of the rear sheet is fixed only by being held by the cross plate as one place, workability is improved.

In addition, since there is no such thing as a conventional side plate arm member in the rear sheet, it is not necessary to arrange a portion for holding the side plate arm member on the sea trail, so that the space can be effectively used in the vehicle body structure.

Claims (5)

Front and rear supported by a pair of left and right pairs of rails 12 extending to the rear of the vehicle body and cross plates 14, 20, and 21 extending laterally to form a frame member constituting the vehicle rear portion. In the sheet mounting structure of an automobile motorcycle provided with two sheets 30 and 40 and provided with a load receiving portion for transferring load to the frame member and a positioning portion between the frame member and the front and rear portions of each sheet. And the load receiving portion 36 of the rear portion of the front sheet 30 and the load receiving portion 45 of the front portion of the rear sheet 40 are folded in plan view, and the front sheet is sandwiched between the rear sheet load receiving portion 45 and the frame member. A seat mounting structure for an automatic two-wheeled vehicle characterized by including a load receiving portion (36), and a positioning portion with a frame for restricting movement of the rear seat front portion upward in the vicinity thereof. 2. The seat of an automatic two-wheeled vehicle according to claim 1, characterized in that the positioning portion (44) with the frame which restricts the movement of the front portion of the rear seat (40) is engaged with the cross flake (20). Mounting structure. 2. The sheet mounting structure for a two-wheeled vehicle according to claim 1, wherein the front sheet rear load receiving portion (36) is provided with a positioning portion in the front, rear, left and right directions located at the rear portion of the front sheet (30). 4. The sheet mounting structure for an automatic two-wheeled vehicle according to claim 2 or 3, wherein a sheet locking / peeling member (50) is arranged at the rear of the rear sheet (40). 4. The sheet of a two-wheeled vehicle according to claim 2 or 3, wherein the positioning portion with the frame for restricting the movement of the front portion of the rear sheet 40 to the upper portion is a sheet latching / peeling member (90). Mounting structure.