JP6494464B2

JP6494464B2 - vehicle

Info

Publication number: JP6494464B2
Application number: JP2015153544A
Authority: JP
Inventors: 耕太中尾
Original assignee: 株式会社クボタ
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2019-04-03
Anticipated expiration: 2035-08-03
Also published as: JP2017030608A

Description

The present invention is a foldable type that is configured so that the posture of the seating seat portion provided with the seating surface can be switched between a sitting posture with the seating surface facing upward and a non-use posture in which the seating surface is raised to the front side. The present invention relates to a vehicle having a seat.

As described above, the folding type is configured so that the seating seat portion provided with the seating surface can be switched between a seating posture with the seating surface facing upward and a non-use posture in which the seating surface is raised to the front side. As a vehicle equipped with a seat, a technique shown in [1] below is conventionally known.
[1] A support frame installed between the left and right rear fenders is provided with a support bracket for supporting a driver's seat, and a fixed end of a seat belt is connected and fixed to the support frame (for example, Patent Literature 1).

JP 2014-227076 (see paragraphs “0027” and “0029”, FIGS. 3 and 4)

In the vehicle having the conventional structure described above, since the fixed end of the seat belt is provided so as to be fixed to the support frame for supporting the seat, the seat is a movable type whose posture is largely changed. However, it is useful in that the fixed end of the seat belt can be kept at a fixed position regardless of the seat posture change.
However, in this structure, the support frame needs to have a strong structure so as to satisfy both purposes of supporting the seat and fixing the seat belt, which tends to increase the size of the apparatus. There was room for improvement.

The present invention can fix a seat belt used for a seat whose posture can be switched at a fixed position regardless of the posture switching of the seat, and does not require an improvement in strength of a target portion to which the end portion of the seat belt is fixed. It is what you want to do.

The vehicle according to the present invention is configured such that the seating seat portion provided with the seating surface can be switched between a seating posture with the seating surface facing upward and a non-use posture in which the seating surface is erected forward. A folding seat, and the seat portion of the seat is supported by a seat mounting frame whose posture can be changed with respect to a body frame that does not move in accordance with the posture switching of the seat portion. By changing the posture of the seat mounting frame with respect to the body frame, the posture of the seating seat portion can be changed,
A seat belt device for a passenger seated on the seating seat portion is provided, and a belt end fixing tool for fixing a seat belt end portion of the seat belt device is provided on the body frame.

According to the present invention, the belt end fixing device of the seat belt device is not a seat mounting frame that changes its posture when the seating seat portion changes its posture, but an airframe frame that does not change its posture or position due to the posture change of the seating seat portion. In addition, the fuselage frame is originally made of a material having high strength.
Therefore, the position of the belt end fixing member does not change with the posture switching of the seating seat portion. In addition, since the installation target location of the belt end fixing device is not a seat mounting frame but an airframe frame that originally has high strength, even if the belt end fixing device is attached, a reinforcing structure is particularly provided. There is an advantage that the structure can be easily configured while avoiding an increase in size.

In the present invention, the seat is a rear seat positioned on the rear side of the front seat provided at the front portion of the traveling body, and moves to the rear side of the front seat with the seating seat portion in an upright position. In addition, it is preferable that the backrest portion is configured to be movable to the back side of the front seat while maintaining the standing posture.

By providing this configuration, the seating seat portion and the backrest portion can be conveniently used as a belt end fixing tool used for the rear seat where the seating seat portion and the backrest portion are moved to the rear side of the front seat with the standing posture.
In other words, even if the seating seat part and the backrest part are in the standing posture and moved to the rear side of the front seat, the belt end fixing tool itself remains in the fixed position on the fuselage frame, so the posture of the rear seat It is easy to use regardless of changes.

In the present invention, the belt end fixing tool includes a seat belt anchor fixed to the body frame, a buckle capable of engaging and disengaging the seat belt end, and a connecting member for connecting the buckle to the seat belt anchor. The connecting member supports the buckle with respect to the seat belt anchor, and has an upright connecting posture in which the buckle is positioned on the front upper side with respect to the seat belt anchor, and the upright connecting posture. It is preferable that the retracted storage posture in which the buckle is swung downward is configured to be able to swing up and down around a horizontal axis provided in the seat belt anchor.

As in this configuration, the buckle is supported using a connecting member with respect to the seat belt anchor, and the belt end fixture itself is configured so as to be able to swing up and down around the horizontal axis. When the rear seat is used, it can be stood up, and when the rear seat is not used, it can be laid down and stored. Therefore, it is easy to switch the usage mode of the belt end fixing tool.

A feature of the vehicle in the present invention is that the seating seat portion provided with the seating surface can be switched between a seating posture with the seating surface facing upward and a non-use posture in which the seating surface is erected forward. The seat portion of the seat is supported by a seat mounting frame that can change its posture with respect to the body frame, and by changing the posture of the seat mounting frame with respect to the body frame, A posture of the seating seat portion is configured to be changeable, and includes a seat belt device for a passenger seated on the seating seat portion, and a belt end fixing tool for fixing a seat belt end portion of the seat belt device. The belt end fixing device is mounted on the fuselage frame, and the seat belt anchor fixed to the fuselage frame and the seat belt end can be engaged and disengaged. A buckle; and a connecting member for connecting the buckle to the seat belt anchor, the connecting member supporting the buckle with respect to the seat belt anchor, and the front buckle with respect to the seat belt anchor. It is configured to be able to swing up and down around the horizontal axis provided for the seat belt anchor in the standing connection posture positioned on the side and the retracted storage posture in which the buckle is swung downward from the standing connection posture It is in the point.

Further, the buckle is supported with respect to the seat belt anchor by using a connecting member, and the belt end fixing device itself is configured to be able to swing up and down around the horizontal axis, so that the belt end fixing device can be attached to the rear seat. It can be stood up when in use, and can be stored lying down in a storage state where the rear seat is not used. Therefore, it is easy to switch the usage mode of the belt end fixing tool.

In the present invention, the machine body frame is provided with a cover body positioned below the lower surface of the seat mounting frame, and the belt end fixing tool in the above-described lying storage posture can enter the upper surface of the cover body. It is preferable that a recess is formed.

By providing this configuration, there is a recess in the upper surface of the cover body in which the belt end fixing tool in the retracted storage posture can enter. Therefore, when the seating seat is in a non-use posture, the belt end fixing tool can be changed to the lying retracted posture, and the presence of the concave portion causes the belt end fixing tool to enter the concave portion. In this state, it can be stored in a state that does not interfere with other devices located above the recess.

In the present invention, a loading platform is mounted on the rear portion of the body frame, the loading platform is placed in a rearward position in which the front end portion is positioned on the rear side of the recess in the front-rear direction, and the front end portion is positioned on the rear of the recess. It is preferable that the mounting state can be changed to a front-side mounting state that is positioned on the front side and positioned so that the bottom surface of the loading platform covers the upper side of the recess.

As in this configuration, the loading platform is configured so that the position of the front end portion can be changed between a rearward loading state and a frontward loading state, so that the bottom surface of the loading platform covers the upper side of the depression, and the depression It can be set as the state which came off to the back side rather than. Thereby, in the lying storage posture when the belt end fixing tool is not used, the upper side of the recess can be covered with the loading platform, and switching to the standing connection posture using the belt end fixing tool is possible. It can be used by changing the posture to a posture that is easily taken out from the recess while the loading platform is detached from the recess.

1 is an overall side view of a vehicle with a two-row seat specification. 1 is an overall side view of a vehicle in a single row seat specification. 1 is an overall plan view of a vehicle in a double row seat specification. It is a side view which shows the attitude | position change form of a rear seat. It is a disassembled perspective view of a rear seat part. It is a perspective view which shows the vehicle body rear part in the state which removed the loading platform and the rear seat. It is a disassembled perspective view which shows the assembly | attachment state of a body frame and a cover body. It is a vertical direction sectional view which follows the front-back direction which shows the attachment location of a belt edge part fixing tool. It is an up-down direction sectional view which follows the left-right direction which shows the attachment location of a belt end part fixing tool and a retractor. It is a perspective view which shows the loading platform in a double row seat specification. It is a perspective view which shows the loading platform in a row seat specification. It is explanatory drawing which shows the switching procedure of a loading platform.

Hereinafter, an example of an embodiment of the present invention will be described based on the drawings.
In the description of the present embodiment, the front-rear direction and the left-right direction are described as follows unless otherwise specified. That is, the forward traveling direction (see arrow F in FIG. 3) to which the driver seat of the vehicle to which the present invention is applied is “front”, and the forward traveling direction (see arrow B in FIG. 3) is “rear”. The direction corresponding to the right side (see arrow R in FIG. 3) with respect to the forward posture in the front-rear direction is “right”, and the direction corresponding to the left side (see arrow L in FIG. 3) is also “left”. .

〔overall structure〕
1 to 3 show an entire multipurpose vehicle as an example of a vehicle according to the present invention. FIG. 1 is an overall side view in a usage pattern in which seats that can be seated in two front and rear rows are present, and FIG. 2 is an overall side view in a usage pattern in which seats that can be seated only in one front row. FIG. 3 is an overall plan view of the usage pattern in FIG.

As shown in FIGS. 1 to 3, the vehicle includes a steerable left and right front wheels 2 and 2 supported on the front portion of the fuselage frame 1, and a steerable left and right support supported on the rear portion of the fuselage frame 1. A traveling vehicle body equipped with rear wheels 3 and 3 is provided.
A front cover 5 provided with a pair of left and right headlamps 4 is provided at the front end of the traveling vehicle body. A riding section 7 provided with a lops 6 is provided at a position behind the front cover 5 in the traveling vehicle body. A loading platform 8 capable of dumping operation is provided at the rear of the traveling vehicle body.

The boarding part 7 is provided in the front-rear intermediate part of the traveling vehicle body. In this riding section 7, a two-row seat specification in which an occupant can sit on the front seat 16 and the rear seat 17 (corresponding to a seat) shown in FIG. 1, and an occupant can sit on the front seat 16 shown in FIG. The usage pattern of the rear seat 17 can be changed to the one-seat specification. The specific structure of the usage pattern will be described later.
The loading platform 8 provided at the rear of the riding section 7 is configured to be changeable between an extended state (corresponding to a front-side mounted state) and a shortened state (corresponding to a rear-side mounted state) described later. . A partition member 15 that partitions the boarding unit 7 and the loading platform 8 is disposed between the riding unit 7 and the loading platform 8.

The body frame 1 of the traveling vehicle body includes a pair of left and right main frames 11 that are long in the front-rear direction. The main frame 11 is formed such that the front frame portion 11A supported by the front wheels 2 and 2 is low and the rear frame portion 11B supported by the rear wheels 3 and 3 is high. A rising frame portion 11C that connects the rear end of the lower frame portion 11A and the front end of the rear frame portion 11B at a higher position is provided at an intermediate position, and these front frame portion 11A, rear frame portion 11B, It is formed in a stepped shape including a rising frame portion 11C.
Due to such a stepped shape, the engine 9 is disposed in a space formed below the rear frame portion 11B on the rear side of the rising frame portion 11C. The driving force output from the engine 9 is input to the traveling mission 10, and the shifted driving force is transmitted to the front wheels 2 and the rear wheels 3, so that a four-wheel drive type traveling vehicle body is configured.

The rising frame portion 11C of the main frame 11 is located near the front end of the rear seat 17 in the double-row seat specification state, and is located near the front end of the extended loading platform 8 and the front frame portion 11A and the rear frame portion 11B. The position in the front-rear direction is set.
Therefore, as shown in FIG. 1, when the riding section 7 has a two-row seat specification, the loading platform 8 is in a shortened state, and a seat portion 17 </ b> A (corresponding to a seating seat) of the rear seat 17 is included in the main frame 11. It is located in a state where it is mounted on the rear frame portion 11B at a location higher on the rear side than the rising frame portion 11C.
As shown in FIG. 2, when the riding section 7 has a single-row seat specification, the loading platform 8 is in an extended state, and the rear frame of the main frame 11 at a position higher on the rear side than the rising frame portion 11C. The extension part of the loading platform 8 is mounted on the part 11B, and the seat part 17A of the rear seat 17 is folded forward.

[Boarding part]
The boarding part 7 is demonstrated.
The riding section 7 is provided with a lops 6. The lops 6 are disposed in the front portion of the riding section 7 and have a front riding section 13 (corresponding to “driving section for driving”) having a front riding section space 13a, and a rear riding section having a rear riding section space 14a. 14.

The lops 6 are a pair of left and right frames disposed on the laterally outer sides of the vehicle body at the front end portion of the front riding section space 13a and the upper frame 60 positioned in the longitudinal direction of the vehicle body above the front riding section space 13a and the rear riding section space 14a. And a pair of left and right rear columns 62, 62 arranged in the laterally outer side of the vehicle body between the front riding part 13 and the rear riding part 14. ing. Further, the upper frame 60 projects rearward from the rear support 62 at the same height level as the rear support 62.

In the front riding section 13, front seats 16 and 16 are provided on both the left and right sides in the front riding section space 13a, so that two-seaters can be used.
The steering wheel 12 is provided in front of the front seat 16 in the left region among the left and right front seats 16 and 16, and the front riding section 13 is configured as a riding section for driving. The left and right front seats 16, 16 are configured to be slidable back and forth separately by guide rails (not shown).

The rear riding part 14 is provided with a rear seat 17. The rear seat 17 is configured as a horizontally long seat that can be seated by two people, and the rear riding section 14 is capable of two people. The rear seat 17 is configured to be switchable between a use state indicated by a two-dot chain line in FIG. 4 and a storage state indicated by a solid line in FIG. Specifically, the rear seat 17 is configured as follows.

The rear seat 17 includes a horizontally long seat portion 17A (corresponding to a seating seat portion) and a horizontally long backrest portion 17B.
The seat portion 17A includes a cushion layer portion 18 serving as a resilient seating surface, a seat mounting frame 19 that supports the cushion layer portion 18, and an attachment for connecting the seat mounting frame 19 to the main frame 11. A metal fitting 20 is provided.
The seat mounting frame 19 is configured by combining a lattice-like support frame 19A that supports the cushion layer portion 18 from the lower side and a perforated plate-like bottom plate 19B that holds the support frame 19A on the lower side. .

The mounting bracket 20 is pivotally connected to the support bracket 21 fixed to the rising frame portion 11C of the main frame 11 so as to swing up and down around the horizontal axis x1 in the left-right direction.
Therefore, when the seat mounting frame 19 connected to the mounting bracket 20 on the front end side rotates about the horizontal axis x1, the posture of the seat portion 17A of the rear seat 17 is switched between the use state and the retracted state. The

The backrest portion 17 </ b> B is connected to the upper end portions of the pair of left and right link members 23, 23 that are arranged on both sides of the rear seat 17. The lower ends of the pair of left and right link members 23, 23 are rotatably supported by a mounting portion 22 integral with the rear frame portion 11B below the seat portion 17A. The upper ends of the pair of left and right link members 23 are connected to a connecting member 24 provided on the back side of the backrest portion 17B so as to be relatively rotated.

The pair of left and right link members 23, 23 are arranged so as to be inclined downwardly from the rear toward the front when the backrest portion 17B is in the use posture, and function as armrest portions.
The lower end side of the partition member 15 is connected to a connecting member 24 provided on the back side of the backrest portion 17B. The partition member 15 includes a partition frame that is manufactured by connecting a frame body that faces the vehicle body and a frame body that vertically faces the vehicle body, and a net-like member that is stretched around the partition frame.

As shown in FIGS. 6 to 8, the left and right main frames 11 cover the driving space where the engine 9 is disposed, in a range extending between the rising frame portion 11 </ b> C and the rear frame portion 11 </ b> B. A heat shield cover body 25 is provided over the rising frame portion 11C and the rear frame portion 11B.
A lid cover portion 26 that can be partially opened and closed is provided at a portion of the cover body 25 corresponding to the space between the left and right rear frame portions 11B so as to form an inspection opening. Therefore, when the seat portion 17A of the rear seat 17 and the front portion of the loading platform 8 are not present, if the lid cover portion 26 is opened, the inspection opening is opened and the engine 9 is present. It is possible to inspect and repair the space.
Thus, the cover body 25 including the lid cover portion 26 has a function as an engine bonnet.

A part of the lid cover portion 26 has a recess 27 in which a belt end fixing member 53 can be stored when a belt end fixing member 53 of a seat belt device 50 to be described later is in a storage posture. It is formed.
The cover body 25 including the lid cover portion 26 is fixed to the left and right rising frame portions 11C and the left and right rear frame portions 11B while being positioned below the seat mounting frame 19 that supports the seat portion 17A of the rear seat 17. Has been. The mounting bracket 20 for pivotally supporting the rear seat 17 and the mounting portions 22 of the link members 23, 23 are located outside the cover body 25 and penetrate the cover body 25 to the left and right mains. Attached to the frame 11.

[Seat belt device]
The seat belt device 50 is shown in FIGS. 4 and 6 to 9.
The seat belt device 50 includes retractors 51 located on the left and right sides of the rear seat 17, a seat belt 52 wound around each retractor 51, and a central portion in the left and right direction of the rear seat 17. A pair of belt end fixtures 53 that can fix the end portions of the seat belts 52 pulled out from the left and right retractors 51 are provided.

Each of the retractor 51 and the belt end fixing tool 53 is fixed to the body frame 1 as follows.
As shown in FIGS. 6 and 7, in the front-rear direction, the left and right positions located on the lower side of the use seat at a position corresponding to the rear end portion of the rear seat 17 and the front end portion of the shortened loading platform 8. A horizontal frame 11D is integrally fixed over the rear frame portions 11B and 11B.
The horizontal frame 11D passes through the left and right rear frame portions 11B and 11B and extends to both lateral outer sides, and a retractor 51 is fixedly connected to the left and right ends of the horizontal frame 11D. Each retractor 51 is provided in a posture in which the belt in / out direction is directed diagonally forward and upward so that the seat belt 52 can be pulled out obliquely forward.

The belt end fixing tool 53 includes a pair of seat belt anchors 54 fixed to the horizontal frame 11D, and a pair of buckles 55 capable of engaging and disengaging the ends of the left and right seat belts 52.
Each seat belt anchor 54 and each buckle 55 are connected by a connecting member 56, and the belt end fixing tool 53 is configured by including the seat belt anchor 54, the buckle 55, and the connecting member 56. Yes.

The seat belt anchor 54 is configured by a bracket member that is welded and fixed to a central portion in the left-right direction of the horizontal frame 11D. The buckle 55 has a known structure that can be fixed and released in a state where the end fitting 52a of the seat belt 52 is inserted.
The connecting member 56 is connected at one end of the rod-shaped portion 56a to a connecting hole 54a formed in the seat belt anchor 54 via a connecting bolt 57, and can swing up and down around the axis x2 of the connecting bolt 57. It is configured. A buckle 55 is connected and fixed to the other end of the rod-shaped portion.

With this structure, as shown in FIGS. 4 and 8, the buckle 55 is located at the center position in the left-right direction of the rear seat 17 in use, and the front of the backrest portion 17B is located above the seat surface of the seat portion 17A. The rod-shaped part 56a of the connection member 56 can be in a state of being inclined obliquely upward so as to be located at the alligator. As a result, the belt end fixing member 53 can be in the standing connection posture in which the buckle 55 is positioned on the front upper side with respect to the seat belt anchor 54. Further, when the rear seat 17 is in the retracted state, the belt end fixing member 53 has the buckle 55 and the rod-shaped portion 56a of the connecting member 56 with respect to the concave portion 27 formed in a part of the lid cover portion 26. It is configured so that the posture can be changed even in the posture of entering.
As described above, the belt end fixing tool 53 has an upright connection posture (shown by a solid line in FIG. 8) in which the buckle 55 and the connection member 56 have come out of the recess 27, and the buckle 55 is swung downward from the upright connection posture. The posture can be changed to the fallen storage posture (shown in phantom lines in FIG. 8 and described in FIG. 9) which is moved and stored in the recess 27.

In the state where the belt end fixing member 53 is in the retracted storing posture, the rear seat 17 is switched to the storing state, and the belt end fixing member 53 in the lying down storing posture is extended above the recess 27 where the belt end fixing member 53 exists. The extended portion of the loading platform 8 is mounted.
When the rear seat 17 is changed from the retracted state to the used state, the loading platform 8 is first brought into the shortened state, the belt end fixing member 53 is set in the standing connection posture, and then the rear seat 17 is switched to the used state.

Although not described, the front seat 16 is also provided with a seat belt device. The seat belt device for the front seat 16 is also fixed to a member on the airframe side.

(Loading platform)
The loading platform 8 will be described.
As shown in FIGS. 1 and 2, the loading platform 8 is supported on the vehicle body so as to swing up and down via a dump fulcrum shaft 30 that is disposed on the rear end side and that faces the vehicle body. The loading platform 8 includes a loading posture that is positioned horizontally or substantially horizontally on the vehicle body by a lifting cylinder 31 that is mounted across the lower surface side of the loading platform 8 and the body frame 1, and a dumping posture in which the front end side is elevated upward from the vehicle body. It can be lifted up and down.

As shown in FIGS. 2 and 11, the loading platform 8 includes a loading platform main body 33 having a bottom plate portion 34 to which a lifting cylinder 31 is coupled to the lower surface side, and an extended bottom plate having a rear end side coupled to the front end side of the bottom plate portion 34. And an expanded cargo bed portion 40 having a portion 41.
The loading platform body 33 includes a bottom plate portion 34, a rear side plate portion 35 coupled to the rear end portion of the bottom plate portion 34, and a lateral side plate portion 36 coupled to both lateral end portions of the bottom plate portion 34. .

As shown in FIG. 12, the extended cargo bed portion 40 includes an extended bottom plate portion 41, and also includes a front side plate portion 42 that swings up and down around a horizontal axis 42 a on the front end side of the extended bottom plate portion 41. On the front end side of each of the left and right lateral side plate portions 36 of the cargo bed body 33, there is provided an extended lateral side plate portion 43 connected so as to swing around the vertical axis 43a in the horizontal direction of the cargo bed. Further, the extended bottom plate portion 41 is configured to swing up and down around the axis 41a in the left-right direction with respect to the bottom plate portion 34 of the cargo bed body 33. As a result, the expansion platform 40 can be switched between the folded state shown in FIG. 1 and the extended state shown in FIG.

FIG. 12 is an explanatory diagram showing a switching procedure of the loading platform 8.
An extended cargo bed portion 40 shown in STEP 1 of FIG. 12 is an extended cargo bed portion in an extended state. An extended cargo bed portion 40 shown in STEP 4 of FIG. 12 is an expanded cargo bed portion in a folded state.
As shown in STEP 2 of FIG. 12, the left and right extended lateral side plate portions 43 are swung toward the inner side of the loading platform so as to be folded along the front edge of the bottom plate portion 34. Note that the swinging of the left and right expanded lateral plate portions 43 is regulated by a regulating member (not shown) at a position where the expanded lateral plate portions 43 are perpendicular or substantially perpendicular to the lateral plate portions 36. Next, as shown in STEP 3 of FIG. 12, the front side plate portion 42 is tilted and swung toward the upper surface side of the extended bottom plate portion 41 to be in a folded posture overlapping the upper surface of the extended bottom plate portion 41.
Next, as shown in STEP 4 of FIG. 12, the extended bottom plate portion 41 is erected and swung toward the extended lateral side plate portion 43 in the folded posture, so that the folded posture overlaps the outer surface of the expanded lateral side plate portion 43. In this case, the extended cargo bed 40 can be switched to the folded state.

The loading platform 8 switches to the first state in which the front and rear lengths are shortened by folding the expanded loading platform 40 by switching the expanded loading platform 40 to the folded state. As the folded state of the extended cargo bed portion 40, a folded state in which the left and right extended lateral side plate portions 43 are positioned inside the cargo bed with respect to the extended bottom plate portion 41 is adopted. Compared to adopting the folded state positioned outside the loading platform, the longitudinal length of the loading platform 8 in the first state can be made shorter by the amount determined by the plate thickness of the extended lateral side plate portion 43.

In this embodiment, as shown in FIG. 12, the loading platform 8 includes left and right locking mechanisms 37 that fix the extended bottom plate portion 41 and the left and right lateral side plate portions 36 in the folded state. In addition, a regulating member 44 is provided on the upper end side of each of the left and right expanded lateral side plate portions 43. The restricting member 44 restricts the front plate portion 42 from rotating upward about the axis 42a.
That is, when the front plate portion 42 is about to rotate upward about the axis 42 a, the posture of the front plate portion 42 is maintained by the restriction member 44 coming into contact with the front plate portion 42. With this configuration, if the lock mechanism 37 is provided between the extended bottom plate portion 41 and the left and right lateral plate portions 36, a simple lock mechanism is not provided to maintain the posture of the front plate portion 42. With the configuration, the posture of the front side plate portion 42 can be maintained.

As shown in FIGS. 1 and 3, when the loading platform 8 is switched to the first state, the front end side is positioned rearward of the rear riding space 14a in order to shorten the front-rear length, and the vehicle is placed in two rows. Can be seated.

As shown in STEP 3 of FIG. 12, the extended bottom plate portion 41 is tilted forward so as to be in an extended posture that is aligned with or substantially flush with the bottom plate portion 34. Next, as shown in STEP 2 of FIG. 12, the front side plate part 42 is operated to stand up and swing to the extended posture rising from the front end part of the extended bottom plate part 41. Next, as shown in STEP 1 of FIG. 12, the left and right extended lateral side plate portions 43 are swung toward the outside of the loading platform so as to be in an extended posture aligned with the lateral side plate portion 36 or substantially flush with the lateral side plate portion 36. In this case, the extended cargo bed 40 can be switched to the extended state.

The loading platform 8 switches to the second state in which the front and rear lengths are extended for the extension of the expansion loading platform 40 by switching the expanded loading platform 40 to the expanded state.

As shown in FIG. 2, when the loading platform 8 is switched to the second state, the front end side enters the rear riding space 14 a due to the extension of the front-rear length. At this time, the rear seat 17 is switched to the retracted state, and the partition member 15 is moved to the front partition position for the one-row seat specification, so that the front end side of the loading platform 8 can enter the rear riding section space 14a. To do. The front end side of the loading platform 8 enters a vacant seat portion (a portion where the used rear seat 17 exists) in the rear riding space 14a by switching the rear seat 17 to the retracted state. When the backrest portion 17B is in the retracted position, the link members 23, 23 are seen in side view, the first portion extends forward from the fuselage side, and the second portion extends upward from the front end of the first portion. The posture is shaped like a letter. And the loading platform 8 enters into the L-shaped space part by which the front-end part was formed of the 1st part of the link members 23 and 23, and the said 2nd part. Thus, even if the width of the loading platform 8 is wider than the width of the link members 23 and 23 (see FIG. 3), the total length of the vehicle body can be shortened by positioning the loading platform 8 forward. .

[Other Embodiment 1]
In the above-described embodiment, the belt end fixing tool 53 of the seat belt device 50 is fixed to the horizontal frame 11D installed over the rear frame portions 11B and 11B of the left and right main frames 11 and 11 in the body frame 1. For example, although not shown, the structure may be fixed to a bracket member or the like provided separately from the horizontal frame 11D.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the embodiment described above, the seat belt device 50 has a structure in which the retractors 51 are located on both the left and right sides of the rear seat 17 and the pair of belt end fixtures 53 are located in the center in the left-right direction of the rear seat 17. Although the thing was illustrated, it is not limited to this.
For example, although not shown in the drawing, the pair of belt end fixing tools 53 are positioned on the left and right sides of the rear seat 17, and the pair of retractors 51 are positioned at the center in the left-right direction of the rear seat 17. Also good. In addition, one of the pair of belt end fixtures 53 and one of the pair of retractors 51 are located on the left and right sides of the rear seat 17, and the other of the pair of belt end fixtures 53. And the thing of the structure where the other of a pair of retractors 51 is located in the center part in the left-right direction of the rear seat 17 may be sufficient.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
In the above-described embodiment, the belt end fixing member 53 is illustrated as having a structure in which the seat belt anchor 54 and the buckle 55 are connected by the connecting member 56 having the rod-shaped portion 56a. However, the belt end fixing tool 53 is limited to this structure. It is not a thing.
For example, the connecting member 56 is not limited to the structure having the rod-shaped portion 56 a, and the buckle 55 is basically the connecting member 56, such as one in which the seat belt anchor 54 and the buckle 55 are configured by the plate-like connecting member 56. As a result, the belt end fixing member 53 may be configured so that the entire belt end fixing member 53 can swing up and down around the horizontal axis on the seat belt anchor 54 side.
Other configurations may be the same as those in the above-described embodiment.

[4 of another embodiment]
In the above-described embodiment, the cargo bed 8 has a structure in which the length in the front-rear direction can be changed between the extended state and the shortened state. However, the structure is not limited to this structure.
For example, the length of the loading platform 8 in the front-rear direction may be constant, and the entire loading platform 8 may be configured to be movable back and forth.
Other configurations may be the same as those in the above-described embodiment.

The vehicle of the present invention can be used not only for a transport vehicle but also for various vehicles with a seat such as a tractor and a construction machine.

DESCRIPTION OF SYMBOLS 1 Airframe frame 8 Loading platform 14A Seat 17A Seating seat part 17B Backrest part 19 Seat attachment frame 25 Cover body 27 Recessed part 50 Seat belt apparatus 53 Belt end part fixing tool 54 Seat belt anchor 55 Buckle 56 Connecting member

Claims

A folding seat configured to be switchable between a seating posture with the seat surface facing upward and a non-use posture in which the seat surface is raised to the front;
Among the seats, the seating seat portion is supported by a seat mounting frame whose posture can be changed with respect to a body frame that does not move in accordance with the posture switching of the seating seat portion, and the seat mounting frame with respect to the body frame By changing the posture, the posture of the seating seat portion can be changed,
A seat belt device for a passenger seated on the seat portion;
A vehicle in which a belt end fixing tool for fixing a seat belt end of the seat belt device is mounted on the body frame.
The seat is a rear seat located on the rear side of the front seat provided in the front portion of the traveling aircraft body, and is configured to be movable to the back side of the front seat with the seating seat portion in a standing posture. 2. The vehicle according to claim 1, wherein the vehicle is configured to be movable to a back side of the front seat while the backrest portion is in a standing posture.
The belt end fixing tool includes a seat belt anchor fixed to the body frame, a buckle capable of engaging and disengaging the seat belt end, and a connecting member for connecting the buckle to the seat belt anchor,
The connecting member supports the buckle with respect to the seat belt anchor, and the standing connection posture in which the buckle is positioned on the front upper side with respect to the seat belt anchor, and the buckle more than the standing connection posture. 3. The vehicle according to claim 1, wherein the vehicle is configured to be able to swing up and down around a horizontal axis provided in the seat belt anchor in a lying retracted posture that is swung downward.
  A folding seat configured to be switchable between a seating posture with the seat surface facing upward and a non-use posture in which the seat surface is raised to the front;
  Among the seats, the seating seat portion is supported by a seat mounting frame that can change its posture with respect to the fuselage frame, and the posture of the seating seat portion is changed by changing the posture of the seat mounting frame with respect to the fuselage frame. Configured and possible
  A seat belt device for a passenger seated on the seat portion;
  A belt end fixing tool for fixing a seat belt end of the seat belt device is provided on the body frame,
  The belt end fixing tool includes a seat belt anchor fixed to the body frame, a buckle capable of engaging and disengaging the seat belt end, and a connecting member for connecting the buckle to the seat belt anchor,
  The connecting member supports the buckle with respect to the seat belt anchor, and the standing connection posture in which the buckle is positioned on the front upper side with respect to the seat belt anchor, and the buckle more than the standing connection posture. A vehicle configured to be able to swing up and down around a horizontal axis provided in the seat belt anchor in a lying retracted posture that is swung downward.
The machine body frame is provided with a cover body positioned below the lower surface of the seat mounting frame, and a concave portion is formed on the upper surface of the cover body in which the belt end fixing tool in the lying down storage posture can enter. The vehicle according to claim 3 or 4 .
A loading platform is mounted at the rear of the fuselage frame,
The loading platform has a rear-side mounted state in which the front end portion is positioned on the rear side of the recess in the front-rear direction, the front end portion is positioned on the front side of the recess, and the bottom surface of the loading platform is above the recess. The vehicle according to claim 5 , wherein the mounting state can be changed to a front-side mounting state positioned so as to cover the vehicle.