JPH0712232Y2 - Seat device for motorcycles - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a seat device including a rear seat supporting device such as a backrest on a seat of a motorcycle, and the rear supporting device can be used as a seat cover when getting off the vehicle. Incidentally, the occupant rear support device in the present invention is a member for supporting the occupant's upper body rear part, such as a small hip stopper and a large backrest that supports the occupant's lower back and above. Including even things. Further, the front means the traveling direction of the motorcycle.

[Prior art]

A general seat for a motorcycle is rotatably formed on a vehicle body by a hinge connection, and is configured to be rotatable frontward by a front hinge structure in which a hinge is provided at a front portion, for example. . Further, there is also known a rear seat supporting device such as a backrest provided on the rear part of the seat so as to be convenient for traveling for a long time. Further, it is also known that the occupant rear support device can be raised and lowered, and when the vehicle is dismounted, the occupant rear support device is laid down toward the front of the seat to cover the upper surface of the seat so as to also serve as a seat cover against rain or the like.

[Problems to be solved by the device]

By the way, in order to cover the entire upper surface of the seat by the occupant rear support device that also serves as the seat cover, the area of the occupant rear support device must be at least equal to the area of the seat upper surface, and the device must be considerably large. I didn't get it.
Therefore, it was not possible to cover the entire upper surface of the seat with a size of about the hip stopper. When the occupant rear support device is laid down to the front of the seat, the front part of the occupant rear support device may be lifted upward due to contact with the rear part of the upper surface of the seat depending on the overhanging shape of the pad part etc. Since it overlaps on the seat in a slanted state, it is impossible to completely cover the front part of the seat, and conversely, the front part of the front part of the occupant rear support device is lengthened by connecting the rear arm to the seat. If it is covered, a part that cannot be covered may occur at the rear part of the sheet. In addition, since the occupant rear support device itself is considerably heavy and the weight of the occupant is added, if the seat is simply attached to the seat, the seat may be damaged due to local concentration of the load on the attachment part. It may be deformed. Further, in the case of retrofitting, the seat may be damaged during the mounting work, and the retrofitting may impair the appearance of the seat. SUMMARY OF THE INVENTION It is an object of the present invention to provide a seat device that can cover at least the entire upper surface of the seat as a seat cover and can be made compact and equipped with an occupant rear support device.

[Means for solving problems]

The occupant rear part support device for a motorcycle according to the present invention includes a seat rotatably mounted on a motorcycle body, and a occupant rear part provided on the seat for supporting an occupant rear part of the upper body. In a seat device including a support device, the occupant rear support device is a fixed part fixedly attached to a rear part of the seat, and is provided so as to be capable of elevating and lowering with respect to the seat, and a front end part of the occupant when the user falls forward. The seat includes a movable portion configured to be located in front of a front end portion of the seat, and an extendable cover portion having one end attached to the movable portion and the other end attached to the fixed portion, the cover portion including the movable portion. When it falls down forward, it expands accordingly, and changes to a size sufficient to cover at least the entire upper surface of the seat, and when the movable part is raised, the area changes and the inside of the seat changes. The periphery of the seat frame provided in the is a hanging wall-shaped frame skirt portion, and a reinforcing member is provided that is long in the front-rear direction and overlaps with the inside of the frame skirt portion in a side view. It is characterized in that the fixing portion is connected to the seat frame, and the other portion is made to be a projecting portion for projecting to the outside of the seat, and the fixing portion is partially supported by the projecting portion for supporting.

[Function of the device]

An occupant rear part support device constituting a seat device according to the present invention comprises a fixed part fixedly attached to the rear part of the seat and a movable part movably attached to the fixed part, and one end of an extendable cover part is fixed to the fixed part. , The other end is attached to the movable part. Therefore, when the movable portion is laid down on the front side of the seat, the front end portion is located in front of the front end portion of the seat, and at the same time, one end of the extendable cover portion is attached to the movable portion and the other end is provided at the rear portion of the seat. Since the cover portion is attached to the movable portion, the cover portion is stretched along with the fall of the movable portion to expand the covering area thereof, and becomes a seat cover state capable of covering at least the entire upper surface of the seat. Further, when the movable part is erected, the cover part contracts between the movable part and the fixed part, and as a whole, it becomes an occupant rear part support device for supporting the upper half rear part of the occupant. Moreover, since the seat frame is reinforced by the reinforcing member and the fixing portion is partially supported by the supporting protrusion provided on the reinforcing member, the load applied from the fixing portion to the seat side is Since it is received by being dispersed over a wide range of the seat frame via the seat, the possibility that the seat is damaged or deformed by the attachment of the occupant rear support attachment is significantly reduced. Moreover, since most of the reinforcing member is inside the side surface of the seat and is difficult to see from the outside, the appearance of the seat is hardly impaired.

【Example】

1 to 6 show an embodiment of the present invention. As shown in FIG. 1, a vehicle body 1 of a scooter type motorcycle.
The seat 3 is attached to the seat mounting portion 2 formed on the
It is mounted rotatably forward (to the right in the figure) about the center of rotation. The seat attachment portion 2 is formed with a storage case 2a capable of accommodating a helmet H shown by an imaginary line, and a hinge 4 is provided at a front portion thereof so that the upper edge portion 2b of the storage case 2a supports the bottom portion of the seat 3. It has become. The periphery of the seat 3 is continuously bent downward from the upper surface,
A side surface portion 3a of the seat surrounds the periphery in the shape of a hanging wall, and an occupant rear support device 5 is attached to the rear portion of the seat 3. The occupant rear support device 5 in the present embodiment is of a bucket type hip stopper type, and is configured so as to surround and support the rear part and side parts below the waist of the occupant. The occupant rear support device 5 is mounted on the rear portion of the seat 3 and, when mounted on the seat 3, forms a lower body 6 that serves as a fixed portion that is immovable with respect to the seat 3 and a movable portion that is mounted so as to be up and down. An upper body 7 is provided, and a bellows-shaped cover portion 8 is stretched between the both bodies. The cover portion 8 is a stretchable member made of a suitable waterproof plastic material or the like. One end of the cover portion 8 is attached to the lower body 6 and the other end is attached to the upper body 7. It is possible to expand and form a covering area of a size that can completely cover the upper surface of 3 not only to the front but also to the rear. The lower portion of the lower body 6 is supported in contact with the outer surface of the seat side surface portion 3a having a skirt-spread shape. The shape of the upper body 7 is such that when it falls down toward the front of the seat 3, it can be smoothly rotated to a substantially horizontal position without interfering with the upper surface of the seat 3. It is located in front of the front end of the seat 3. As shown in FIG. 2, a tubular flexible member 9 is attached to the upper body 7 of the upper body 7, and a heater unit 10 made of a pad member having an appropriate heater therein is attached below the flexible member 9. The heater unit 10 is a switch 11 mounted on the side of the occupant rear support device 5.
ON / OFF operation is performed by (Fig. 1). This switch
A pilot lamp for indicating that the heater unit 10 is energized is provided in the switch 11, for example, inside the front cover portion of the switch 11. In addition, the upper body 7, the cover portion 8, the flexible member 9 and the heater unit 10 are curved and formed in a concave curved surface that encloses the side portion and the rear portion of the hip portion 13 of the occupant indicated by the respective imaginary lines. The shape is such that it does not easily interfere with the convex curved surface of the upper surface of the seat 3 when the user 7 falls forward. Further, the curved surfaces of the flexible member 9 and the heater unit 10 are such that a space 14 can be formed between the flexible member 9 and the hip portion 13. Due to the existence of this space 14, the heater unit
10 does not come into direct contact with the hip portion 13, and it is possible to uniformly and comfortably heat a wide area through the air layer. Further, since the bucket-shaped occupant rear part supporting device 5 including the cover part 8 surrounds the rear part and the side part of the occupant's hip part 13, it is effective to effectively prevent wind from the rear of the vehicle body against this part and to help keep warm. it can. FIGS. 3 and 4 show the relationship between the lower body 6 and the upper body 7. The lower body 6 has left and right end portions that extend to the substantially central portions on both left and right sides of the seat side surface portion 3a. It is rotatably connected to both ends. Further, mounting brackets 15 are interposed between the seat surface and the inside of both left and right ends of the upper body 7, and these mounting brackets 15 and the switch 11 are sandwiched between the lower body 6 by screws 16 and these three members are installed. The people are connected together. At this time, the upper body 7 is rotatably attached around the step 6a of the lower body 6. As shown in FIGS. 3 and 4, a mounting portion 15a bent into a substantially U shape is formed at the tip of the mounting member 15, and a lower end edge of a frame skirt portion 17a of a seat frame 17 described later is engaged. Support together. FIG. 5 is a view showing the bottom surface of the seat frame 17 which is turned upside down. The seat frame 17 is made of a suitable resin, and the periphery of the seat frame 17 constitutes a seat side surface portion 3a of the seat 3 and a hanging wall is provided inside thereof. A frame skirt portion 17a is provided in a shape, and a hinge member 18 is attached to a bolt 17b integrally planted at the front end portion, and is fixed by a nut 17c. Furthermore, in the first half of the seat frame 17, the frame skirt part
A reinforcing member 1 made of metal or the like having sufficient rigidity is provided inside the 17a.
9 are provided. This reinforcing member 19 is a seat frame 1
7, the mounting portion 19a integrally formed on the front portion is fastened together with the hinge member 18, and the frame skirt portion 17a is appropriately positioned in the length direction and appropriate means such as riveting (not shown) is used. It is integrated by being fixed. At both free ends of the reinforcing member 19, as shown in FIG. 6, bent portions 19b in which upper and lower edges are respectively bent in opposite directions.
Also, the supporting protrusion 19c is integrally formed. It should be noted that FIGS. 5 and 6 are upside down with respect to the actual use state. Further, in this state, as shown in FIG. 6, the bent portion 19b has a substantially U-shape, and the upper edge portion 2b (FIG. 1) of the seat mounting portion 2 can be engaged in the U-shaped portion. Has become. Further, the supporting projection 19c is wound around the lower end edge of the frame skirt 17a, extends outward, and is then bent back toward the lower end of the frame (note that it is upside down in this figure). The supporting protrusion 19c is a portion that engages and supports the end of the lower body 6, where the lower body 6 is a reinforcing member.
The load can be transmitted to the reinforcing member 19 side by connecting with 19. If necessary, the reinforcing member 19 and the mounting bracket 15 of the occupant rear support device 5 are connected and integrated via a suitable mounting shaft with the frame skirt portion 17a of the seat frame 17 interposed therebetween. By using such a reinforcing member 19, even if the occupant rear support device 5 is attached to the seat frame 17, the load can be favorably distributed to the seat 3 and the seat attaching portion 2 side. Therefore, even if the seat frame 17 is made of resin. The occupant rear support device 5 can be attached and used by retrofitting. Next, the operation of this embodiment will be described. First, the passenger is seat 3
In the traveling state in which the upper body 7 is rotated, the upper body 7 is rotated backward and stands up. At this time, the cover portion 8 is also in the contracted state, and the occupant's hip portion 13
By supporting and supporting front and back movements to reduce the feeling of fatigue, the waist is kept warm to prevent cold. After that, when the occupant gets off the vehicle and leaves the seat 3, the upper body 7 is pivoted forward and tilted. Then, the front end portion of the seat 3 is located ahead of the front end portion of the seat 3 and surrounds the front end portion of the seat 3. At the same time, the cover portion 8 having a bellows structure attached to the lower body 6, which is a fixed portion, is extended together with the upper body 7, and the covering area is large enough to continuously cover the entire upper surface of the sheet 3 as shown by an imaginary line. And covers the upper surface of the sheet 3 continuously from the front part to the rear part. Thereby, at least the upper surface of the sheet 3 is effectively waterproofed and dustproofed. In addition, since the upper body 7, the cover portion 8, the flexible member 9 and the heater unit 10 are curved and formed in a concave curved surface,
When the upper body 7 is laid down forward, the upper body 7 surrounds the upper surface of the seat 3 without interfering with the convex curved surface of the upper surface of the seat 3 until the upper body 7 becomes substantially horizontal as shown in FIG. It is rotating. When the upper body 7 is erected from this state, it serves as a normal hip stopper, and the cover portion 8 has a bellows structure, so that it can be easily folded and contracted to give a good appearance. Such an operation for converting each state of the occupant rear support device and the seat cover can be swiftly performed by a one-touch operation because the upper body 7 is simply raised and lowered. Further, even if the seat 3 is opened / closed for putting in / out the helmet, the occupant rear support device 5 moves integrally with the seat 3, so that the presence of the occupant rear support device 5 hinders the opening / closing of the seat 3. Absent. In addition, the frame skirt portion 17a is reinforced by the reinforcing member 19, and the lower body 6 is attached to the supporting protrusion 19c.
By engaging the ends of the lower body 6 and the reinforcing member.
Since 19 is connected, lower body 6 and upper body 7
The load applied to the seat 3 side from the frame skirt 17
It is received in a wide range of a and is widely dispersed to the seat frame 17 side and the seat mounting portion 2 side via the reinforcing member 19. Therefore, the risk of the seat 3 being damaged or deformed by mounting the occupant rear support device is significantly reduced. Moreover, most of the reinforcing member 19 is the frame skirt portion 17a,
That is, since it is located inside the seat side surface portion 3a and is difficult to see from the outside, the appearance of the seat 3 is hardly damaged. Therefore, it is suitable for retrofitting the hip stopper 5, which is the occupant rear support device. Further, since the supporting protrusion 19c and the mounting portion 15a of the mounting member 15 are each bent into a substantially U shape and have rigidity, they are hard to be deformed and can be used for a long period of time. Further, since the mounting brackets 15 are interposed between the left and right end portions of the upper body 7 and the surface of the seat 3, the upper body 7 does not come into direct contact with the surface of the seat 3 even when it is rotated. There is no risk of damage such as breaking the skin of No. 3. Another embodiment is shown in FIGS. 7 to 10. The same parts as those in the previous embodiment will be designated by the same reference numerals, and detailed description of the parts will be omitted. The backrest 20, which is the occupant rear support device of this embodiment,
The same seat 3 as in the previous embodiment can be retrofitted and used to support the waist of the occupant. The backrest 20 also has a function of a seat cover by forming a retractable arm 21 part of which can be raised and lowered. The telescopic arm 21 is configured so that its length can extend and contract,
Moreover, a pad member 22 is attached to the front surface of the upper portion thereof, and a hood 23 is attached to the rear portion thereof. The hood 23 has a shape that covers the range from the rear of the standing portion of the telescopic arm 21 to the rear of the seat 3 when the backrest 20 is erected, and at this time, the fixed portion fixedly mounted around the rear of the seat 3. It is also supposed to accommodate 24. Further, inside the hood 23, one end is attached to the fixed portion 24 and the other end is attached to the telescopic arm 21 and the cover portion having the same structure as the previous embodiment.
The 25 is stored in a folded state so that it cannot be seen from the rear. The length of the telescopic arm 21 is high enough to support the waist of the occupant when the telescopic arm 21 is retracted, that is, when the telescopic arm 21 is standing up. Pad member 22 without reaching the front end
Has a length in contact with the upper surface of the sheet 3. When the telescopic arm 21 is extended, when the telescopic arm 21 is laid down, the tip end and the pad member 22 are located in front of the front end of the seat 3. There are various possible expansion and contraction structures of the expansion and contraction arm 21, and an example is shown in FIG. FIG. 9 shows the telescopic arm 21 on the left side of the seat 3 in the traveling direction.
FIG. 8 is a view showing the connecting portion between the fixing portion 24 and the like from the direction of arrow A in FIG. 8 (however, the frame 17 is omitted), and the telescopic arm 21 has a cylindrical member 21a and a tip portion inside thereof. The slider 21b is slidably accommodated, an engaging groove 26 is formed on the side surface of the slider 21b, and an expansion and contraction adjusting member 27 is provided on a side portion of the tubular member 21a. The expansion and contraction adjusting member 27 has a tip portion (not shown) capable of engaging with the engaging groove 26, and when pulled out in the lateral direction as shown by the imaginary line in the figure, the engagement with the engaging groove 26 is released. 21b can be expanded and contracted by an arbitrary length. When the expansion and contraction adjusting member 27 is returned, the tip end engages with the engaging groove 26 and is adjusted. A bellows boot 28 is provided between the telescopic arm 21a and the slider 21b. Further, the telescopic arm 21 and the fixed portion 24 are connected to each other via the rotation adjusting mechanism 30 shown in FIG. That is, reference numeral 31 in the drawing is a lock dial, which is attached to the telescopic arm 21 side so as to rotate integrally. 32 is a lock projection formed on the back side of the lock, and 33 is a lock dial.
It is an axis for coaxially connecting the telescopic arm 21 and the fixed portion 24 through the 31. However, the telescopic arm 21 is rotatable with respect to the fixed portion 24, and the lock dial 31 is movable in the axial direction of the shaft 33. The shaft 33 is attached to the reinforcing member 19 (FIG. 9) through each tip portion of the fixed portion 24. On the other hand, an engaging groove 34 is formed at the end of the fixed portion 24 corresponding to the undulating position of the locking projection 32, and the locking projection is provided at any position of undulation with respect to these engaging grooves 34.
32 can be engaged. Reference numeral 31a shown in FIGS. 7 and 8 is a key hole provided in the lock dial 31, and for example, a key member for starting the engine can be used to perform a lock operation. By restricting the extraction of the dial 31, it is possible to hold the telescopic arm 21 in a raised or lowered state. Next, the operation of this embodiment will be described. First, the state shown by the solid line in FIG. 7 shows the normal use state of the backrest 20. When leaving the seat 3 from this state, the telescopic arm 21 is first extended upward as described above. Then, the lock dial 31 is pressed by a key member (not shown).
Is released and pulled out to the side, and the engagement between the locking projection 32 and the engagement groove 34 is released. Then, since the telescopic arm 21 is rotatable with respect to the fixed portion 24, the telescopic arm 21 is pivoted forward together with the hood 23 as shown by an imaginary line to bring the telescopic arm 21 to the lying state. At this time, the tip end portion of the telescopic arm 21 and the pad member 22 pass through the front end portion of the seat 3 without coming into contact with the upper surface of the seat 3, and are pivoted to a state of being slanted forward. At the same time the cover part
25 is expanded with the rotation of the telescopic arm 21 to expand the covering area so as to cover the upper surface of the seat 3 in the range from the rear part to the front part. Further, when the telescopic arm 21 is rotated to the predetermined lying position, the locking protrusion 32 of the locking dial 31 is moved to another engaging groove.
By engaging with 34, the telescopic arm 21 is restricted from rotating in the fallen state. Therefore, if the lock dial 31 is locked again, the telescopic arm 21 maintains the lying state. In this fallen state, if an acute-angled portion such as a protrusion appears on the entire outer surface of the cover portion 25, etc., a person other than an occupant cannot sit on the cover portion 25, which makes it difficult to be tampered with. As described above, in this embodiment, since the movable portion is the telescopic arm 21, even if the pad member 22 is present, it can be laid down to a predetermined position without hindering its presence. Therefore, although the occupant rear support device 20 is relatively small in use, it is easy to cover the seat in a wide range. Moreover, the center position of rotation of the movable portion with respect to the seat can be determined relatively freely. The present invention is not limited to the above embodiment, and various modifications and applications are possible. For example, the cover portion is not limited to the bellows shape and may be an elastic member such as a rubber cloth.

[Effect of device]

INDUSTRIAL APPLICABILITY The occupant rear support device according to the present invention can not only support the occupant's upper body rear part, but can also be used as a seat cover having a covering area large enough to cover at least the entire upper surface of the occupant when getting off the vehicle. It can be performed. In addition, since the seat frame is reinforced by the reinforcing member and the fixing member that constitutes the passenger rear support device is partially supported by the reinforcing member, the load applied from the fixing member to the seat side is mediated by the reinforcing member. It can be widely distributed to the seat frame side and can be received in a wide range of the seat frame. Therefore, even if the occupant rear support device is attached, the risk of damaging or deforming the seat can be significantly reduced. Moreover, since most of the reinforcing member is inside the side surface of the seat and is difficult to see from the outside, it is suitable for retrofitting the occupant rear support device without impairing the appearance of the seat. In addition, although it can be converted and used as a seat cover having a relatively large covering area, it can be made compact in the original use state as a passenger rear support device.

[Brief description of drawings]

1 to 6 show an embodiment, FIG. 1 is a side view,
2 is a longitudinal sectional view, FIG. 3 is a partial perspective view, and FIG.
FIG. 5 is an enlarged sectional view taken along the line IV-IV in FIG. 5, FIG. 5 is a bottom view of the seat frame, and FIG. 6 is an enlarged sectional view taken along the line VI-VI in FIG. 7 to 10 show another embodiment, FIG. 7 is a side view, FIG. 8 is a partial perspective view, and FIG. 9 is a perspective view of a main part with a part cut away, FIG. Is a development view of a main part.

[Explanation of symbols]

1 ... Car body, 2 ... Seat attachment part, 3 ... Seat, 5 ...
... hip stopper (rear passenger support device), 6 ... lower body (fixed part), 7 ... upper body (movable part), 8 ...
… Cover part, 20 …… Backrest (occupant rear support device), 21 …… Extensible arm (movable part), 24 …… Fixed part, 25
…… Cover part.

Claims (1)

[Scope of utility model registration request] 1. A seat (3) rotatably mounted on a vehicle body of a motorcycle, and an occupant rear support device (3) provided on the seat (3) for supporting a rear upper part of the occupant. 5, 20), and the occupant rear support device (5, 20) includes a fixed portion (6, 24) fixedly attached to a rear portion of the seat (3), and the seat (3). A movable part (7, 21) which is provided so that it can be raised and lowered with respect to the front part of the seat (3) when it is laid down forward, and one end of the movable part is And an extendable cover part (8) whose ends are attached to the fixed parts (6, 24), respectively, and the cover part (8), when the movable part (7, 21) is laid down forward, The movable part (7, 21) is stretched and changed to a size sufficient to cover at least the entire upper surface of the sheet (3). With changes when erecting the area so as to shrink the sheet hanging wall-like frame skirt around the seat frame provided inside (17) of (3) (17a)
In addition, a reinforcing member (19) is provided which is long in the front-rear direction and overlaps with the inside of the frame skirt portion (17a) in a side view, and a part of the reinforcing member (19) is connected to the seat frame (17). In addition, the other part of the fixing part (6, 24) is partially supported by a supporting protrusion (19c) protruding outside the seat, and the fixing part (6, 24) is partially supported by the supporting protrusion (19c). Seat device for motorcycles.