JP2576697Y2 - Vehicle seat structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat structure.

[0002]

2. Description of the Related Art Conventionally, as one form of a bus for long-distance transportation, a large number of seats are arranged on a floor at predetermined intervals in the front-rear direction to form a row of seats. Are formed in three or more rows at intervals for passage formation in the left and right width direction, and a toilet room is provided at a substantially central portion on one side of the floor surface, and passengers use the toilet room in the toilet room. There are things that can be added.

[0003] The seat has a reclining structure in which a backrest is provided at the rear of the seat so as to be tiltable rearward, and armrests are attached to the left and right sides of the backrest, respectively, so that the passenger can sit in a comfortable posture. I can do it.

[0004]

However, in the above-mentioned bus, since each passenger is often seated in a reclining position, other passengers cannot pass between adjacent seats in the front-rear direction. In particular, when a passenger sitting on the rear seat in the row of seats opposite to the side on which the toilet room is provided goes to the toilet room, it is formed once between the left and right adjacent seats. Go through the aisle to the front, pass in front of the frontmost seat in the middle row, on the toilet room side, and then go backwards through the aisle formed between the left and right adjacent seats to the toilet room. There was a trouble that it had to be done.

[0005]

Therefore, according to the present invention, a large number of seats are arranged on the floor at predetermined intervals in the front-rear direction to form a row of seats. In a vehicle in which a toilet room is provided in a substantially central portion on one side of a floor portion, a seat in an intermediate row disposed near the toilet room is formed in a vehicle having three or more rows formed with passage forming intervals in the left-right width direction. At least one of them, a step board for forming a bypass passage is mounted on the seat support frame, a seat portion is detachably mounted on the step board, and a backrest portion is erected at a rear portion of the seat support frame, and It is an object of the present invention to provide a vehicle seat structure in which a center-foldable armrest is attached to left and right sides of a seat support frame.

Another feature is that the step plate for forming the bypass passage or the cushion for the bypass passage and the seat are interchangeably mounted.

[0007]

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

A shown in FIG. 1 is a long-distance bus as a vehicle having a seat structure according to the present invention.

In this long-distance bus A, a boarding / alighting section 2 is provided on the front left side of the floor section 1 and a driving section 3 is provided on the front right side, and three rows of seats 4, 5, and 6 are provided behind these. Forming
A toilet room 7 is arranged in the center of the left seat row 4.

The getting on / off section 2 is a front left wall 18 of the long-distance bus A
An opening / closing door 9 is formed in the opening / closing door 9, and an opening / closing door 10 is attached to the opening / closing opening 9 so as to be openable and closable. 17 is a boarding / alighting partition wall.

The driving section 3 has a handle column 12 at the front, a handle 13 attached to the handle column 12, a driver seat 14 disposed immediately behind the handle 13, and a driver seat 14 on the left side of the driver seat 14. An operation column 15 is provided. Reference numeral 16 denotes a driving section partition wall.

The three rows of seats 4, 5 and 6 are formed on the floor 1 such that two rows of left and right rows 4 and 5 are formed along the right and left side walls 18 and 19, respectively. An intermediate row of seats 6 is formed therebetween, and passages 20, 21 are formed at regular intervals between the respective rows of seats 4, 5, 6.

Each of the seat rows 4, 5, and 6 is formed by arranging a large number of seats 22 at predetermined intervals in the front-rear direction. Each seat 22 is formed as shown in FIG. Then, the seat support frame 23 is fixedly mounted on the floor 1, the seat 24 is mounted on the seat support frame 23, and the lower portion of the backrest 26 between the rear portions of the mounting frames 25, 25 is adjusted for the backward tilt angle. Mounted freely on the left and right side walls of the backrest 26
It is formed by attaching 27,27 bases. 50 is a footrest.

The toilet room 7 is disposed substantially at the center of the left seat row 4 and has an entrance 29 formed in a rear wall 28.
An opening / closing door 30 is attached to the door 29 so that it can be opened and closed.
It is possible to get up and down 31 and get in and out.

In the above configuration, the gist of the present invention is that the seats of the middle row of seats 6 are arranged near the toilet room 7.
At least one of 22 is provided with a seat portion 24 detachably mounted on a seat support frame 23, a backrest 26 is erected on the seat support frame 23, and on the left and right sides of the seat support frame 23. It is formed by attaching armrests 27, 27 which can be bent freely.

That is, the seat support frame of the seat 22 located on the right side of the stairs 31 of the toilet room 7 in the middle seat row 6.
23 is an upper rectangular frame 23 as shown in FIGS.
Frames 23c and 23d for locking the front and rear seat portions are provided between the front and rear portions of a.

As shown in FIGS. 3 and 4, a tread plate 32 is stretched in a substantially horizontal state on the upper rectangular frame 23a, and the tread plate 32 is attached to a seat 24 to be described later. Locking piece insertion holes 35,35,35 for inserting stoppers 33,33,34,34
36,36.

As shown in FIG. 5, a pair of left and right front locking pieces 33, 33 and rear locking pieces 34, 34 are attached to the back surface of the seat 24, and the front locking pieces 33, 33 are provided. Are formed in a substantially L-shaped section by a leaf spring, while the rear locking pieces 34, 34 are formed in a substantially Z-shaped section. 33a and 34a are locking piece mounting bolts.

When the seat 24 is mounted on the seat support frame 23 in this manner, the pair of left and right rear locking pieces 34, 34 are
After passing through the locking piece insertion holes 36, 36 formed in 32 and locking to the rear seat locking frame 23d, a pair of left and right front locking pieces
33, 33 are inserted through locking insertion holes 35, 35 formed in the tread plate 32 so as to be locked in the pressed state by the elastic biasing force of the leaf spring and attached to the front seat locking frame 23c. .

The seat 24 can be removed by following the procedure opposite to the above.

As shown in FIG. 2, the armrest portion 27 has an armrest support portion 37, which is substantially L-shaped in side view, attached to one side of the seat support frame 23, and an armrest body 38 at the upper end of the armrest support portion 37. Are formed so as to protrude forward.

As shown in FIG. 6, the armrest body 38 is formed by a base-side fixed portion 38a and a distal-side bent portion 38b, and the distal-side bent portion 38b is moved horizontally by the ratchet mechanism 39. The posture can be freely changed between a non-folding position (see FIG. 8) bent downward by a certain angle θ.

That is, as shown in FIG. 6, the ratchet mechanism 39 has a pair of left and right support brackets 40, 40 mounted on the distal end of the base side fixing portion 38a, and pivots the ratchet pawl 41 between the two brackets 40, 40. A ratchet wheel 44 having two pawl locking grooves 44a, 44b in the base end of the distal bent portion 38b while being pivotally supported by the support pin 42 and elastically biased clockwise by the torsion spring 43 is provided. Installation, same ratchet wheel
The upper and lower stopper pins 47 and 48 are mounted on 44, and the ratchet wheel 44 is vertically rotatably mounted on the base side fixed portion 38a by the rotation support shaft 45, and one claw locking groove is mounted on the rotation support shaft 45. 46a
And a cam 46 having two upper and lower stopper pin receiving portions 46b and 46c. 49 is a spring stop pin. 51 is a support bracket mounting bolt, and 52 is a ratchet wheel mounting bolt.

The one claw locking groove 44a formed in the ratchet wheel 44 is formed so as to be positioned vertically downward when the distal bent portion 38b is in the horizontal use position, and the other claw locking groove 44a is formed. The groove 44b is formed so as to be displaced in the circumferential direction about the rotation support shaft 45 by the same angle as the bending angle θ of the distal-side bent portion 38b with respect to the claw locking groove 44a.

In this manner, when bending the distal-side bent portion 38b, as shown in FIG.
38b is rotated upward by a certain angle α, the upper stopper pin 47 causes the cam to move through the upper stopper pin receiving portion 46b.
The pivot 46 rotates so that the ratchet pawl 41 locked in the pawl locking groove 44b of the ratchet wheel 44 can be released.

Then, in this state, as shown in FIG. 8, when the distal-end-side bent portion 38b is turned downward by the bending angle θ, the lower stopper pin 48 moves through the lower stopper pin receiving portion 46c. The cam 46 rotates so that the ratchet pawl 41 is locked in the pawl locking groove 44a of the ratchet wheel 44, so that the posture of the distal bent portion 38b can be changed to the bending non-use position. I have.

When the distal bent portion 38b is restored to the horizontal use position, when the distal bent portion 38b is rotated upward, the ratchet pawl 41 is moved to the ratchet wheel 44 in the horizontal position. It is locked in the claw locking groove 44b so that it can be fixed at the horizontal use position.

On the upper surface of the armrest support portion 37, a switch arrangement recess 37a is formed, and a heater switch 53, a multi-channel switch 54 and the like are arranged in the recess 37a. The upper end is prevented from protruding above the concave portion 37a.

As shown in FIG. 2, the backrest 26 of the seat 22 immediately adjacent to the seat 22 constructed as described above is formed by cutting the upper rear corner to form a substantially vertical surface 26a. ,
Even with the backrest 26 in the reclining position,
A large bypass passage forming space S formed immediately above the exposed tread plate 32 from which the seat portion 24 has been removed can be ensured.

With the above configuration, when the seat is not fully occupied, the seat portion 24 of the seat 22 located on the right lateral side of the stairs 31 is removed to expose the tread plate 32 and the left and right armrests. By bending the parts 27, 27 downwardly into a bent state, a bypass passage forming space S is formed between the backrest part 26 and the backrest part 26 of the seat 22 immediately adjacent to the backrest part. Passengers seated in the rear seats 22 of row 5 of
By passing over the step board 32 in the bypass passage forming space S, the toilet room 7 can be quickly reached.

At this time, the upper rear corner of the backrest 26 of the seat 22 adjacent immediately before is cut off, and the backrest 26 is cut off.
Even when the vehicle is in the reclining posture, since the bypass passage forming space S is large, the passenger can easily cross.

Further, since the heater switch 53, the multi-channel switch 54, and the like mounted on the upper surface of the armrest support portion 37 are disposed in the switch disposing recesses 37a formed on the upper surface of the armrest support portion 37, It is also possible to prevent such a problem that a passenger who crosses the road and steps on these switches 53 and 54 to cause damage or the like.

In this embodiment, the step plate 32 is fixed to the seat support frame 23, but the step plate 32 and the seat 24 are fixed.
May be freely replaceable.

FIGS. 10 to 13 show a seat structure according to another embodiment, in which a seat portion 24 and a cushion 60 for a bypass passage are interchangeably mounted on a seat support frame 23. FIG.

That is, as shown in FIGS. 10 and 11, a pair of left and right front locking pieces 33, 33 for locking to the front seat locking frame 23c are provided on the back surface of the seat 24. Rear locking piece 34 for locking to the part locking frame 23d
And a seat pressing lever 61 for holding the seat 24 by being locked to the front seat locking frame 23c.
62 is a lever support bracket, and 63 is a lever support shaft.

When the seat 24 is attached to the seat support frame 23 in this manner, the rear locking piece 34 is locked to the rear seat locking frame 23d, and then a pair of left and right front locking is performed. The pieces 33, 33 are locked in a pressed state by the elastic biasing force of the leaf spring on the front seat locking frame 23c, and the one end operation side 61a of the seat holding lever 61 is rotated to operate the seat. The other end locking side portion 61b of the pressing lever 61 is brought into contact with the lower surface of the front seat locking frame 23c so that the holding lever 61 can be mounted.

The seat 24 can be detached by following the procedure opposite to the above.

As shown in FIG. 12, the cushion member 60 for the bypass passage is formed in a thin plate shape,
Front locking pieces 64, 64, rear locking pieces 65, and cushion support lever
66 are provided, and switch protection covers 60a and 60b are protruded from left and right ends of the cushion 60, respectively. 67 is a lever support bracket, 68 is a lever support shaft, and 69 is a bypass passage direction indicator.

In this way, as shown in FIG. 13, the cushion 60 for the bypass passage is
When the passenger passes through the bypass passage forming space S, the passenger can once sit on the cushion 60 and then pass over the seat supporting frame 23. Even women and children who cannot pass through can easily pass through the space for forming the bypass passage.

[0041]

According to the present invention, the following effects can be obtained.

That is, an intermediate row of seats arranged in the vicinity of the toilet room is detachably mounted on a seat support frame, and a backrest portion erected on the seat support frame is provided with a freely bendable armrest. The seat is vacant when the seat is not fully occupied, the seat is removed from the seat support frame, the armrest is folded, and the backrest of the seat, immediately before Passenger seated on the rear seat in the row opposite to the toilet room side with the intermediate row interposed, by forming a bypass passage forming space between the seat and the backrest of the adjacent seat However, it is possible to reach the toilet room quickly by stepping over the tread plate in the bypass passage forming space.

At this time, the removed seat portion is stored in a storage portion provided in the vehicle, and when the seat is full, the seat portion is taken out and attached to the seat support frame, and the armrest portion in the middle bent state is provided. By restoring the vehicle straight, passengers can be seated.

The same effect can be obtained by replacing the step board with the seat.

Further, in the case where the cushion for the bypass passage is replaced with the seat portion, when the passenger passes through the space for forming the bypass passage, the passenger can pass through the cushion after sitting on the cushion. In addition, women and children who cannot pass over the seat support frame can easily pass through the space for forming the bypass passage.

[Brief description of the drawings]

FIG. 1 is an explanatory plan view of a vehicle including a seat structure according to the present invention.

FIG. 2 is an explanatory side view of the seat.

FIG. 3 is an explanatory plan view of the seat.

FIG. 4 is an explanatory view of mounting a seat.

FIG. 5 is a bottom view of a seat.

FIG. 6 is a cross-sectional side view of the armrest.

FIG. 7 is an explanatory diagram of a bending operation of an armrest.

FIG. 8 is an explanatory view of a bending operation of an armrest.

FIG. 9 is an explanatory cross-sectional view of an armrest support portion.

FIG. 10 is an explanatory perspective view of mounting a seat portion of a seat structure as another embodiment.

FIG. 11 is an explanatory perspective view of a seat holding lever 61;

FIG. 12 is a perspective view of a cushion for a bypass passage.

FIG. 13 is an explanatory perspective view of a seat to which a cushion for a bypass passage is attached.

[Explanation of symbols]

 A long-distance bus 1 floor 4 seat row 5 seat row 6 seat row 7 toilet room 22 seat 23 seat support frame 24 seat section 26 backrest section 27 armrest section 32 step board 60 cushion for bypass passage

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60N 2/02 B60N 2/44

Claims (3)

(57) [Scope of request for utility model registration] A seat row (4), (5), (6) having a large number of seats (22) arranged on a floor (1) at regular intervals in the front-rear direction.
And at least three rows of the seat rows (4), (5), and (6) are formed in the left-right width direction at intervals for passage formation.
(1) In a vehicle provided with a toilet room (7) in the approximate center of one side, at least one of the seats in the middle row of seats (6) arranged near the toilet room (7) A step board (32) for forming a bypass passage is mounted on the seat support frame (23), a seat (24) is detachably mounted on the step board (32), and the seat support frame (2
3) A backrest (26) is erected at the rear and a seat support frame
A seat structure for a vehicle, characterized in that the armrests (27), (27), which can be bent freely, are attached to the left and right sides of (23). 2. A seat row (4), (5), (6) in which a large number of seats (22) are arranged on the floor (1) at regular intervals in the front-rear direction.
And at least three rows of the seat rows (4), (5), and (6) are formed in the left-right width direction at intervals for passage formation.
(1) In a vehicle with a toilet room (7) installed at the approximate center of one side, the seats in the middle row of seats (6) arranged near the toilet room (7)
At least one of (22) has a stepping plate (32) for forming a bypass passage and a seat (24) interchangeably mounted on a seat support frame (23), and a backrest on the seat support frame (23). A seat structure for a vehicle, characterized in that a seat (26) is erected, and armrests (27), (27) that can be bent are attached to left and right sides of a seat support frame (23). 3. The vehicle seat structure according to claim 2, wherein a cushion for a bypass passage is used in place of the step plate.