JPH092114A - Fitting structure of overhung seat for vehicle - Google Patents

Abstract

PURPOSE: To provide the fitting structure of overhung seat for vehicle with excellent workability of fitting, removing and so on, and excellent appearance. CONSTITUTION: This fitting structure of overhung seat for vehicle involves a seat fitted onto a cabin side wall 5 by bolting the lower end of a seat supporting bracket 14 previously equipped with a seat frame to a cabin side wall 5 and its upper end to a mounting plate 17 provided on the cabin side wall 5 respectively, whereas the mounting plate 17 provided on the cabin side wall 5 is formed to have a hat-shaped cross section, bolts 18 are supported against the cabin side top surface 17b of the mounting plate 17, and a bolt insertion hole 14c formed in the seat supporting bracket 14 which the bolt pass through is formed above the seat frame.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, a vehicle, for example, a shared bus, has a large number of seats along the left and right inner side walls of a vehicle and a predetermined distance in the front-rear direction.

In the above-mentioned shared bus, the space between adjacent seats in the front-rear direction is limited in order to improve transportation efficiency, and when a passenger seated on each seat, that is, a seated person, extends his / her legs. , The foot must be placed in the space formed between the seat of the seat placed immediately in front and the floor, in which case the seat leg supporting the seat on the floor may obstruct and Or the movement is greatly restricted.

As a countermeasure against this, the seat leg which is attached to and supported by the inner wall of the vehicle body to stand upright on the floor surface is eliminated, so that a wide space for inserting the foot between the seat portion and the floor surface is secured, A so-called single piece that increases the degree of freedom of movement of the foot in the insertion space, allows the occupant to take a comfortable sitting posture, facilitates sitting or leaving, and ensures easy cleaning of the floor surface. There is a holding sheet.

The cantilevered sheet is, for example, the actual open sho 56-594.
As disclosed in Japanese Patent Laid-Open No. 36-36, the upper side, the middle side, and the lower side of the inner wall of the vehicle body are provided with a substantially horizontal upper groove, a middle groove, and a lower groove that are longer than the seat, and are fixed to a back frame that supports a backrest. The head of the upper support, the head of the middle support fixed to the seat frame, and the head formed on the lower end of the lower arm fixed to the seat frame are each the above-mentioned upper groove,
A method has been proposed in which the seat frame and the back frame are fitted to the pockets of the middle groove and the lower groove to attach the seat frame and the back frame to the inner wall of the vehicle body.

As another cantilever sheet, an actual flat flat 6-
As disclosed in Japanese Patent No. 68961, one end of the seat portion is attached to the inner wall of the vehicle body, while the upper end of a backrest portion provided at the rear end of the seat portion on the ceiling wall of the vehicle body is supported by a support member. There has been proposed a cantilever seat that is attached or one side of a seat portion and a backrest portion is attached to an inner wall of a vehicle body to support the seat in a cantilever manner.

[0007]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
According to the cantilever seats disclosed in Japanese Patent No. 436 and Japanese Utility Model Laid-Open No. 6-68961, the seat leg standing on the floor is eliminated, and a wide leg insertion space between the seat and the floor can be secured. Further, the degree of freedom of movement of the foot is increased, the seated person can take a comfortable sitting posture, sitting and leaving are facilitated, and the floor surface is easily cleaned. However, in the seat disclosed in the former Japanese Utility Model Laid-Open No. 56-59436, the upper groove, the middle groove, and the lower groove provided on the inner wall of the vehicle body are fitted with the upper support body, the middle support body, and the lower arm, respectively. Since the seat frame and the back frame are mounted, the respective mounting parts are largely separated from each other, and the workability at the time of seat mounting is deteriorated. Also, since the above-mentioned heads are fitted and fixed in the pockets of the grooves, it is troublesome to replace the sheet once the sheet is attached, and dust may accumulate in each groove, and There is a problem that the long upper groove, the middle groove, the lower groove, etc. are exposed on the inner wall surface of the vehicle body and the appearance is poor. Even in the seat disclosed in the latter Japanese Utility Model Laid-Open No. 6-68911, one end of the seat portion is attached to the inner wall of the vehicle body and the backrest portion is attached to the ceiling wall via a support member, or the inside of the vehicle body is attached. Since the seat is mounted by mounting the seat portion and the backrest portion on the wall, there is a problem that the mounting portions are largely separated from each other and the mounting workability is poor.

Therefore, an object of the present invention is to provide a mounting structure for a cantilever seat for a vehicle, which is excellent in workability such as mounting and dismounting and appearance.

[0009]

A vehicle cantilever seat mounting structure according to the present invention that achieves the above object comprises a vehicle body inner side wall at the lower end and a vehicle body inner side wall at the lower end of a seat support bracket to which a seat frame is previously mounted. In a vehicle cantilever seat mounting structure in which the seat is mounted on the inner wall of the vehicle body by bolting each to a mounting plate provided on the vehicle body, the mounting plate has a length substantially equal to the length of the seat support bracket and both side edges along the vehicle body front-rear direction. It has a hat-shaped cross section attached to a wall, and is characterized in that the vehicle-inside top surface of the attachment plate and the seat support bracket are bolted to each other above the seat frame.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a vehicle cantilever seat mounting structure according to the present invention will be described below with reference to the drawings.

FIG. 1 is an explanatory plan view of a bus 1 which is a vehicle having a vehicle cantilever seat mounting structure according to the present invention.

The shared bus 1 has a floor 2 as shown in FIG.
A driver's seat 3 is provided on the right side of the upper front part, and a large number of seats 6 are arranged on the floor surface 2 with a passage 4 therebetween at predetermined intervals in the front-rear direction along the left and right vehicle inner side walls 5. 6 is a seat 7
It is a so-called cantilever sheet that has a backrest 8 and a backrest 8 and is attached to and supported by the inner wall 5 of the vehicle body. In the figure, reference numeral 9 is the entrance 10
Is the exit, and 11 is the rearmost oblong seat.

Next, the mounting structure of the seat 6 will be described. 2 is a side view showing a main part of a mounting structure of the seat 6, FIG. 3 is a plan view of FIG. 2, FIG. 4 is an exploded perspective view thereof, and a seat part 7 is a seat frame 12 and a cushion body 13 is shown.
Is formed by coating.

The seat frame 12 is the left and right frame 1
2a, 12b, and a front frame 12c and a rear frame 12d that connect between front ends and rear ends of the left and right side frames 12a, 12b, respectively, and a substantially middle portion of the front frame 12c and a substantially middle portion of the rear frame 12d. An intermediate frame 12e extending horizontally between the back and right support frames 1a and 12b.
It has 2f and 12g.

The left and right frames 1 on the inner wall 5 side of the vehicle body
One of 2a and 12b, the right frame 12b in this embodiment.
Is integrally formed along the front-rear direction with the protrusion 14a of the substantially flat plate-shaped seat support bracket 14 having a protrusion 14a having a U-shaped cross-section protruding in the front-rear direction along the upper edge. Further, the central portion of the intermediate frame 12e of the seat frame 12 and the lower end center of the seat support bracket 14 are connected to the lower surface of the front frame 12c and the lower surfaces of the seat support bracket 14 and the rear frame 12d by a pipe-shaped stay 15. The seat support brackets 14 are integrally connected by a substantially triangular front reinforcing plate 16a and a rear reinforcing plate 16b.

In the seat support bracket 14, in front of the right frame 12b, above the right frame 12b, near the rear end of the right frame 12b, and the front reinforcing plate 16a.
Each of the bolt insertion holes 14 is formed near the lower end of the rear reinforcing plate 16b.
b, 14c, 14d and 14e are formed.

On the other hand, at the mounting position of the seat supporting bracket 14 on the inner side wall 5 of the vehicle body, the seat supporting bracket 14 has a length equal to that of the seat supporting bracket 14, and the protruding portion 14 of the seat supporting bracket 14 is provided.
A mounting plate 17 engageable with a is mounted by welding or the like along the longitudinal direction of the vehicle body.

The mounting plate 17 has a substantially hat-shaped cross section as shown in the perspective view of FIG.
a and 17a are attached to the vehicle body inner side wall 5 by welding or the like, so that they are attached to the vehicle body inner side wall 5, and a bolt insertion slot 17c extending in the vehicle body front-rear direction is opened in the vehicle interior top surface 17b, and in the center thereof. Rectangular bolt head insertion opening 1
7d is formed.

A bolt 18 for attaching the seat support bracket 14 to an attachment plate 17 attached to the inner wall 5 of the vehicle body has a rectangular plate 18a and a screw portion 18b welded to the head, and the rectangular plate 18a is bolted. Slot 17 for inserting bolt by inserting it in the opening 17d for head insertion
By moving to the c side, the threaded portion 1 of the bolt 18
8b can be projected from any position of the bolt insertion long hole 17c, and the rotation of the bolt 18 can be prevented by rotating the rectangular plate 18.
It is formed so as to be blocked by the contact between the corner portion 18a 'of a and the inner surface of the side portion 17e of the mounting plate 17.

Further, the opposite side portions 17 of the mounting plate 17 are provided.
A closing plate 19 facing the vehicle interior top portion 17b is connected between e and 17e, and an opening of the mounting plate 17 facing the vehicle body inner side wall 5 is closed to suppress deformation of the mounting plate 17 and improve rigidity. The screw portion 18b has a function of holding the bolt 18 in a state in which the screw portion 18b of the bolt 18 projects from the bolt insertion slot 17c by contacting the head of the bolt 18 where the screw portion 18b projects from the bolt insertion slot 17c.

In FIG. 4, reference numeral 20 is a cap nut screwed into the bolt 18, reference numeral 21 is a washer inserted into the threaded portion of the bolt 18, and reference numeral 22 is for attaching the lower end of the seat support bracket 14 to the vehicle body inner side wall 5. Bolt of 23
Is a washer which is fitted into the bolt 22, and 24 is a spring washer.

Next, a seat mounting operation by the seat mounting structure configured as described above will be described.

First, the upper and lower edges 17a, 17a of the mounting plate 17 having the closing plate 19 mounted between the facing side portions 17e, 17e by welding or the like are welded to predetermined positions on the inner wall 5 of the vehicle body, and the inside of the vehicle body is joined. Mounting plate 1 on wall 5
7 is installed.

Next, the heads of the bolts 18 and the rectangular plates 18a, 18a are inserted from the bolt head insertion openings 17d that are opened at the vehicle interior top 17b of the mounting plate 17 mounted on the vehicle interior side wall 5, and the bolts are inserted. The bolt 18 is moved to the general-purpose long hole 17c side, and the bolt 18 is attached to the mounting plate 17 in a state where the screw portion 18b projects from the long-hole 17c for inserting the bolt. Bolt 1 attached to the mounting plate 17
The head 8 is held in a state in which the screw portion 18b is projected from the bolt insertion slot 17c by the head contacting the closing plate 19.

The seat frame 12 is mounted on the mounting plate 17 holding the two bolts 18, 18 in this manner.
The sheet support bracket 14 integrally attached with the is overlapped, and the bolts 18 are inserted into the bolt insertion slots 17c.
By moving the inside, the positions of the bolts 18, 18 are adjusted, and the bolt insertion hole 14 opened in the seat support bracket 14
b, 14c to screw parts 18b, 18 of the bolts 18, 18
b is projected. When the seat support bracket 14 is superposed on the mounting plate 17, the heads of the bolts 18, 18 are abutted and supported by the closing plate 19, so that the bolt insertion oblong hole 17c to the screw portion 18 of the bolts 18, 18 are inserted.
The b and 18b are maintained in a protruding state, and the seat supporting bracket 14 can be easily positioned in a predetermined position on the inner wall 5 of the vehicle body.

Next, the bolts 18, 18 protruding from the bolt insertion holes 14b, 14c of the seat support bracket 14
The washers 21, 21 and the spring washers 24, 24 are fitted to the threaded portions 18b, 18b of the sheet, and tightened with the cap nuts 20, 20, and the upper portion of the seat support bracket 14 is attached to the attachment plate 17 to be attached to the inner wall 5 of the vehicle body. .

When the seat supporting bracket 14 is mounted on the upper portion, bolt insertion holes 14b and 14c which are opened in the seat supporting bracket 14 are formed in front of and above the seat frame 12 mounted on the seat supporting bracket 14 in a side view, respectively. From the seat frame 12 to the fitting of the washers 21 and 21 and the cap nut 2
A tightening work space of 0, 20 is obtained, and a bolt 1
Rectangular plate 18a welded to the heads of 8 and 18,
The tightening work of the cap nuts 20 and 20 is easy because the corners 18a 'and 18a' of the 18a come into contact with the inner surfaces of the side parts 17e and 17e of the mounting plate 17 and the rotation of the bolts 18 and 18 is blocked. You can do it. Furthermore, both cap nuts 20, 20
Since the tightening work positions of are relatively close to each other, work efficiency can be further improved.

Next, washers 23, 23 and spring washers 2 are inserted by bolts 22, 22 inserted into bolt insertion holes 14d, 14e formed in the lower part of the seat support bracket 14.
It is attached and fixed to the inner wall 5 of the vehicle body with 4, 4 interposed.

According to the cantilever seat mounting structure for a vehicle of this embodiment described above, the mounting plate 17 mounted on the vehicle body inner side wall 5 is mounted on the vehicle body inner side wall 5 when mounting the seat 6 on the vehicle body inner side wall 5. By stacking the protruding portion 14a of the seat support bracket 14 on the surface 17b, the relative positioning between the mounting plate 17 and the seat support bracket 14, and thus the vehicle body inner side wall 5 and the seat 6, can be obtained. The heads of the bolts 18, 18 and the rectangular plates 18a, 18a are inserted from the bolt head insertion opening 17d formed in the bolt 17b.
The bolts 18, 18 can be easily mounted by projecting the threaded portions 18b, 18b from the bolt insertion elongated hole 17c.

Further, the side portions 17e, 17 of the mounting plate 17 are
The connecting plate 17 is connected by a closing plate 19 so that the mounting plate 17 has a closed cross-sectional shape and rigidity is improved, and the bolt 18 is locked in the bolt insertion slot 17c.
Each of the bolt insertion holes 14b, 1b of which movement is restricted to the vehicle body inner side wall 5 side and which is opened in the seat support bracket 14
Since 4c, 14d, and 14e are formed apart from the side view seat frame 12, a work space for tightening the cap nuts 20 and 20 and the bolts 22 and 22 can be secured, and further, the rotation of the bolts 18 and 18 can be performed on the head. Welded rectangular plates 18a, 18a and side parts 17e, 1 of the mounting plate 17
Since it is blocked by the contact with the inner surface of 7e, the tightening work of the cap nuts 20, 20 can be easily performed and the seat mounting work can be efficiently performed. Further, the seat mounting portion of the inner wall 5 of the vehicle body is covered with the seat support bracket, which has an effect of excellent appearance.

In the above embodiment, the bolt head insertion opening 17d is formed in the vehicle interior top surface 17b of the mounting plate 17, but FIG. 6 shows a perspective view of the mounting plate 17, and the portion corresponding to FIG. As indicated by the same reference numeral, a bolt insertion slot 17c that is long in the vehicle front-rear direction is formed in the vehicle interior top surface 17b of the mounting plate 17, and a bolt head insertion opening that is long in the vehicle front-rear direction is formed in the side portion 17e. It is also possible to form 17d so that the bolt insertion slot 17c and the bolt head insertion opening 17d are connected by the bolt moving groove 17f. In this case, the heads of the bolts 18, 18 and the rectangular plates 18a, 18a are inserted into the bolt head insertion opening 17d from above and introduced into the bolt insertion slot 17c through the bolt moving groove 17f.

Further, a perspective view is shown in FIG. 7, the portions corresponding to those in FIG. 5 are designated by the same reference numerals, and detailed description thereof will be omitted.
The support plate 17 is formed so as to sequentially approach the inside of the vehicle as 7b moves toward the front of the vehicle body.
By arranging the seat frame 12 provided on the seat mounting bracket, which is mounted and supported by the seat 7, so that the front of the seat 6 is directed obliquely forward toward the passage 4 side, the seat 6 can easily be seated on and taken off from the seat 6. It is also possible to be able to do so. Without welding the rectangular plates 18a, 18a to the head of the bolt 8, the rectangular plate 18
It is also possible to form the head by a, 18a itself.

In the above description, the case where the seat is attached to the inner side wall of the vehicle body has been described. However, even in the detaching work for removing the seat from the inner side wall of the vehicle body, such as for replacing the seat, there is a work space for removing the nut by the seat frame. The seat support bracket can be easily removed from the inner wall of the vehicle body without being restricted.

[0034]

According to the vehicle cantilever seat mounting structure of the present invention, the lower end of the seat support bracket to which the seat frame is previously mounted is bolted to the inner wall of the vehicle body, and the upper end is provided on the inner wall of the vehicle body. Since the bolt connection is made by shifting the seat support bracket to the top surface on the inside of the vehicle above the seat frame, the bolt connection for mounting the seat support bracket is largely separated vertically, increasing the mounting strength of the seat support bracket and making the seat high strength and the inner wall of the vehicle body. The seat space does not limit the work space for tightening bolts and nuts when installing or removing the seat, and the seat can be installed or removed by installing or removing the seat support bracket. Yes, the work range is relatively small, and the work is easy. And efficiently carried out. Further, the seat mounting portion on the inner side wall of the vehicle body is covered with the seat support bracket, so that there is an effect peculiar to the present invention such that the appearance is improved.

[Brief description of drawings]

FIG. 1 is a plan view of a passenger bus for explaining an embodiment of a vehicle cantilever seat mounting structure according to the present invention.

FIG. 2 is likewise a side view illustrating a main part of the embodiment.

FIG. 3 is likewise a plan explanatory view showing a main part of FIG. 2.

FIG. 4 is likewise an exploded perspective view.

FIG. 5 is also a perspective view of a mounting plate used in this embodiment.

FIG. 6 is also a perspective view showing another embodiment of the mounting plate used in this embodiment.

FIG. 7 is a perspective view showing still another embodiment of the mounting plate used in this embodiment.

[Explanation of symbols]

 5 Inner wall of vehicle body 6 Seat 7 Seat portion 12 Seat lam 14 Seat support bracket 14b Bolt insertion hole 14c Bolt insertion hole 14d Bolt insertion hole 14e Bolt insertion hole 17 Mounting plate 17a Side edge 17b Vehicle inside top surface 17c Bolt insertion long hole 17d Bolt head insertion opening 17e Side portion 18 Bolt 18a Rectangular plate 18b Screw portion 19 Closing plate

Claims (7)

[Claims] 1. A vehicle cantilever for mounting a seat on an inner wall of a vehicle body by bolting a lower end of a seat support bracket to which a seat frame is attached in advance to an inner wall of the vehicle body and an upper end to a mounting plate provided on the inner wall of the vehicle body. In the seat mounting structure, the mounting plate has a hat-shaped cross section in which both side edges are substantially equal to the length of the seat supporting bracket and both side edges are mounted on the inner side wall of the vehicle body along the longitudinal direction of the vehicle body. A cantilever seat mounting structure for a vehicle, wherein a support bracket is bolted above the seat frame. 2. The cantilever seat mounting structure for a vehicle according to claim 1, wherein the bolt screw portion projects from the vehicle-inside top surface of the mounting plate, and the bolt insertion hole opens above the seat frame of the seat support bracket. 3. An inner surface of a side surface of the mounting plate, on which a slot for bolt insertion that allows movement of a threaded portion of the bolt is formed, which is long in the longitudinal direction of the vehicle body, and a head of the bolt faces the mounting plate. The cantilever seat mounting structure for a vehicle according to claim 2, further comprising a rectangular plate that abuts at least one of the two to prevent the bolt from rotating. 4. The cantilever seat mounting structure for a vehicle according to claim 3, wherein the mounting plate has a bolt head insertion opening that communicates with the elongated bolt insertion hole and allows the rectangular plate to be inserted therethrough. 5. The cantilever seat mounting structure for a vehicle according to claim 4, wherein the bolt head insertion opening is opened at a top surface of the mounting plate on the inner side of the vehicle. 6. The mounting structure for a cantilever seat for a vehicle according to claim 1, wherein the top surface of the mounting plate on the inner side of the vehicle gradually protrudes toward the inside of the vehicle body as the front surface of the vehicle body shifts in the front direction of the vehicle body. 7. The closing plate that faces the top surface of the inside of the vehicle is connected between the opposite sides of the mounting plate.
5. A vehicle cantilever seat mounting structure according to any one of 1.