JPH11222161A - Inner stair case type double deck bus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inner stair case type double deck bus which is excellent in comfortability and economical efficiency by lessening a sense of oppression due to the ceilings of a second floor cabin and a first floor service cabin to passengers, letting a driver and passengers get on/off a driver's seat and the second floor cabin only through an entrance at the front end part, and letting the paired right and left longitudinal members of a chassis frame be mounted through the frame. SOLUTION: This bus is provided with a first inner stair case 1 which is mounted on a second floor 3 at the front center line of a car body from a first floor 2 at one side in the front end part of the car body while being bent in a right angle shape in the longitudinal direction from the right and left directions, and a second inner stair case 4 which is mounted in the longitudinal direction in a space between the right and left longitudinal members 6 of a chassis frame 5, and is connected to a first floor longitudinal passage 14 floor provided at the level of a lower end part of each longitudinal member 6 at the center part of the car body and the second floor 3, and with a first side part floor 15 provided at the level higher than that of the first floor longitudinal passage 14 floor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an internal staircase type two-story bus.

[0002]

2. Description of the Related Art Conventionally, as an internal staircase type two-story bus,
For example, the one shown in FIG. 3 is known. Here, A indicates the rear side, F indicates the front side, P indicates the left side, and S indicates the right side. First, in the side view of FIG. 2A, the total length a of the vehicle is 11,990 mm, the total weight of the vehicle is 19,900 kg, and the axle arrangement is a three-axle vehicle with one front axle and two axles. From the front side, B is a front end entrance / exit, C is a central entrance / exit, D is a luggage compartment door, and E is a main engine area.

Next, in FIG. 1B, in the second floor plan, G is a single-seat reclining seat (hereinafter referred to as a single-seat) arranged at the front and center of the passenger compartment W, and the number is 21.
The legs H are two-seat reclining seats (hereinafter referred to as two-seater seats) arranged at the rear of the cabin W, the number of which is six, and therefore the number of passengers is 33. From the front, I is a television and J is an internal stair. (C) In the plan view of the first floor, K is a driver's seat, L is a longitudinal passage in the center line, M is a crew nap room (hereinafter referred to as a crew nap room), and N is a pair of left and right sides. Sectional sofa space, Q is a simple salon formed by the center line vertical passage L and side sofa space N in cooperation, R is a telephone corner, T is a hot water corner, U is a toilet, and V is a washstand. Note that the simple salon Q to the washstand V are collectively referred to as a service room.

[0004] Finally, in FIG.
X is the central floor vertical passage floor on the first floor, Y is the raised floor on the first floor side, Z
Right stringers members of the chassis frame, A ₀ is the second floor centerline section longitudinal channel floor, B ₀ is the upstairs side floor. The total body width b is 2,490 mm, the size of the vehicle interior (hereinafter referred to as the inner size width) c ₀ is 2,300 mm, and the total body height d ₀ is 3,77.
₀ mm, the first floor vertical passage effective height e ₀ is 1,630 mm, the first floor side effective height f ₀ is 1,300 mm, the second floor vertical passage effective height g ₀ is 1,700 mm, and the second floor side effective height h ₀ is 1,630 mm. Incidentally, the total body height d ₀ is 3.8 m or less according to the Road Transport Vehicle Law, and the effective height e of the vertical passage is e.
₀ and g ₀ are 1 according to the road transport vehicle security standard of the same law.
It is specified as 600 mm or more. Further, the vehicle body lower surface ground height i is about 300 mm, the vehicle body lower floor depth j is about 40 mm, the vehicle body middle floor depth k is about 40 mm, and the vehicle body beam depth m.
Is about 60 mm.

[0005] However, such a structure has the following disadvantages. (1) Since the side effective height h ₀ of rooms W is not sufficient and 1,630mm, if the passenger is sitting for a long time on one-seater seat G or two-seater seat H, there is a feeling of pressure by the ceiling, therefore, Psychologically painful. Incidentally, according to the results of a survey on the effective height of guest rooms for 23 types of non-two-story long-distance buses or sightseeing buses by the present applicant, the minimum value is 1,800 mm. (2) Since the effective height f ₀ on the first floor side is considerably low at 1,300 mm, even if it is temporary, when a passenger uses a sofa or the like, there is a feeling of oppression due to the ceiling, and therefore, psychological It is painful.

(3) In addition to the front-end entrance / exit B for the driver, a central entrance / exit C for the passengers must be provided, so that the structure and operation of the vehicle body become troublesome, and therefore, the economy of the bus is reduced. descend. (4) Since the center entrance / exit C is provided, the first floor side raised floor Y on the left side P is discontinuous here. For this reason,
The right vertical passing member Z of the chassis frame is made deep and large, so that only the right vertical passing member Z is fully passed. As a result, the vehicle body floor structure is complicated and the vehicle weight is increased, and the first floor side effective height f ₀ is reduced, so that the economy and livability of the bus are reduced.

[0007]

SUMMARY OF THE INVENTION The present invention has been proposed in view of such circumstances, and there is little pressure on passengers on the ceiling of the second-floor cabin and the first-floor service room, and the driver's seat and the second-floor cabin It is only necessary to get in and out of the vehicle at the front end only, and a pair of longitudinal members on the left and right sides of the chassis frame have been fully penetrated, thus providing an internal staircase type two-story bus excellent in livability and economy. Aim.

[0008]

For this purpose, the present invention is constructed such that it is bent from the first floor on one side of the front end portion of the vehicle body to the second floor on the center line portion of the front portion of the vehicle body at right angles in the left-right direction in the front-rear direction. A first internal staircase is connected between the pair of left and right vertical members of the chassis frame in the front-rear direction and the second floor and the first floor vertical passage floor provided at the lower end level of the vertical members in the center of the vehicle body. A second internal staircase, and a first floor side floor provided at a level above the first floor vertical passage floor.

[0009]

According to the above construction, the first inner portion is bent from the first floor on one side of the front end portion of the vehicle body to the second floor on the center line portion of the front portion of the vehicle body so as to be bent at right angles from the left-right direction to the front-rear direction. Stairs,
A second internal staircase extending in the front-rear direction between a pair of left and right vertical members of the chassis frame and connecting the second floor and the first floor vertical passage floor provided at the lower end level of the vertical member in the center of the vehicle body; And the first floor side floor provided above the first floor vertical passage floor, the following operation is performed.

(1) Since the effective height of the guest room on the second floor can be preferentially secured to the minimum effective height of the guest room of a long-distance bus or a sightseeing bus, for example, 1,800 mm, the passenger can stay in the seat for a long time. Even when sitting, the feeling of oppression due to the ceiling is reduced. (2) The first-floor vertical passage floor, which is provided slightly protruding below the vehicle body, has its left and right positions limited between a pair of left and right longitudinal members on the vehicle body center line, so that the vehicle body rolls. In this case, the first floor side floor is less likely to come into contact with the ground,
The effective height of the vertical passage on the first floor can be increased. (3) Passengers and crewmembers can get on and off at only one front end entry / exit point, which simplifies the structure and operation of the vehicle body. (4) Since the pair of right and left longitudinal members of the chassis frame completely pass through the vehicle body floor, the weight of the vehicle body structure is reduced.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is compared with the vehicle body shown in FIG.
₀ = 2,300 mm to internal width c = 2,320 mm,
The total body height d _O = 3,770 mm is changed to the total body height d = 3,79
An embodiment applied to a vehicle body slightly increased to 0 mm will be described with reference to the drawings. The same reference numerals as in FIG. 3 indicate the same members as in FIG. First, in the side view of FIG. 1 (a), reference numeral 1 denotes a first floor 2 on one side of the front end of the vehicle body and a second floor 3 on the center line of the front side of the vehicle which is bent in a right and left direction from right to left in a front-rear direction. The first internal staircase 4 is provided between the pair of right and left vertical members 6 of the chassis frame 5 in the front-rear direction, and is provided on the second floor 3 and at the lower end level of the vertical member 6 in the center of the vehicle. A second internal staircase 8 connecting the floor 7 is a first floor side floor provided above the first floor vertical passage floor 7.

Then, in order from the front side, 9 is a front end entrance and exit, 10 is a front tire, 11 is an auxiliary engine area, 12 is a second floor passenger compartment, 13 is a first floor vertical passage 14 and a first floor side portion 15 cooperate. 1st floor service room, 16 is side luggage compartment door, 1
7 is a rear tire, and 18 is a main engine area. In this embodiment, when the axle load limit of the Road Transport Vehicle Law is exceeded,
It is a three-axle wheel with two rear axles. Next, in the second floor plan view of FIG. 1 (b), the number of single seats G is 28, that is, the number of passengers is 28, and the seat pitch n is 1,000 mm.
Reference numeral 19 denotes an emergency exit pivotally attached to the rear end surface of the vehicle body, and reference numeral 20 denotes a pair of left and right passenger cabin vertical passages. Further, in the first floor plan view of FIG. 1 (c), in order from the front side, 21 is a driver's seat, 22 is a front tire house, 23 is a hot water corner, 24 is a washstand, 25 is a simple sitting salon, and 26 is a side part. A luggage room, 27 is a telephone corner, 28 is a crew nap room, 29 is a toilet, and 30 is a rear tire house. The hot water corner 23 to the crew nap room 28 cooperate to form the first floor side portion 15.

Next, in FIG. 2A, in the front enlarged cross-sectional view at the center, p is 1,800 mm, which is the effective height of the cabin, q is 1,610 mm, which is the effective height of the vertical floor on the first floor, and r is the center line. 250m below ground level (hereinafter referred to as centerline ground level)
m and s are 1,460 mm as the effective height of the first floor side, t is 350 mm as the height of the lower surface of the side, and u is 2 as the depth of the lower floor center line.
0 mm, v is the lower floor side depth of 40 mm, w is the middle floor depth of 40 mm, and x is the beam depth of 70 mm. Then, y is 600 mm in step width, z is 380 mm in passage width, e is 470 mm in seat width, and f is 10 mm in adjustment gap.
Further, in the enlarged rear cross-sectional view at the center of FIG.
Is 85 mm in thickness on the side of the vehicle body, and h is 445 mm in passage width.

In such a structure, the passenger gets on the first internal stairs 1 and the passenger cabin vertical passage 2 from the front end entrance 9.
After going through 0, the user takes a seat in a predetermined one-seat G of the second floor guest room 12. When the passenger uses the first floor service room 13, the passenger reaches the desired space via the passenger cabin vertical passage 20, the second internal staircase 4 and the first floor vertical passage 14. Further, the crew also gets on from the front entrance 9 and reaches the driver's seat 21 from the middle of the first internal staircase 1. When the crew uses the crew nap room 28, the crew reaches the same room 28 via the first internal staircase 1, the passenger cabin vertical passage 20, the second internal staircase 4, and the first floor vertical passage 14.

According to the structure of this embodiment, the vehicle is bent from the first floor on one side of the front end of the vehicle body to the second floor on the center line of the front part of the vehicle so as to be bent at right angles in the left-right direction and the front-rear direction. First
And a second floor connecting the pair of left and right vertical members of the chassis frame in the front-rear direction and connecting the second floor and the first floor vertical passage floor provided at the lower end level of the vertical members in the center of the vehicle body. Since the internal staircase No. 2 and the first floor side floor provided above the first floor vertical passage floor are provided, the following effects can be obtained.

(1) The effective height of the guest room on the second floor can be preferentially secured to the minimum value of the effective guest room height of a long-distance bus or a sightseeing bus of a non-story building, for example, 1,800 mm. Even when sitting, the feeling of oppression due to the ceiling is small, so that the livability of the bus is improved. (2) The first-floor vertical passage floor, which is provided slightly protruding below the vehicle body, has its left and right positions limited between a pair of left and right longitudinal members on the vehicle body center line, so that the vehicle body rolls. In this case, the first floor side floor is less likely to come into contact with the ground,
The effective height of the first-floor vertical passage can be increased, and for example, it is also possible to easily secure the effective height of the legally-regulated passage of 1,600 mm or more, so that the livability of the bus is improved.

(3) Passengers and crewmembers can get on and off at only one entrance at the front end, which simplifies the structure and operation of the vehicle body, thus improving the economics of the bus. (4) Since the pair of right and left longitudinal members of the chassis frame completely pass through the floor of the vehicle body, the vehicle body structure is reduced in weight, and the economical efficiency of the bus is improved.

[0018]

In summary, according to the present invention, the first bent and bent right and left directions from the left and right directions to the second floor at the front center line of the vehicle body from the first floor at one side of the front end of the vehicle body. A second connecting the inner stairs and the first floor vertical passage floor provided at the lower end level of the vertical members at the center of the vehicle, the second floor being installed in the front-rear direction between a pair of left and right vertical members of the chassis frame. The interior stairs and the first floor side floor provided above the vertical floor of the first floor provide less pressure on passengers on the second floor guest room and the first floor service room, and driving Only the front end entrance and exit to the seats and the second floor cabin are required, and the pair of longitudinal members on the left and right of the chassis frame has been fully penetrated.Therefore, an internal staircase type two-story bus excellent in livability and economy is provided. Therefore, the present invention is extremely useful in industry. That.

[Brief description of the drawings]

FIG. 1 shows one embodiment in which the present invention is applied to a vehicle body having substantially the same outer dimensions as a known internal staircase type two-story bus, FIG. 1 (a) is a side view, and FIG. 1 (b) is a two-story plan view (C) is a plan view of the first floor.

2 shows a cross-sectional view of FIG. 1, wherein FIG. 2 (a) is an enlarged front cross-sectional view at the center and FIG. 2 (b) is an enlarged rear cross-sectional view at the center.

FIG. 3 shows a known internal staircase type two-story bus, and FIG.
2B is a side view, FIG. 2B is a second-floor plan view, FIG. 2C is a first-floor plan view, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st internal staircase 2 1st floor 3rd floor 4 2nd internal stair 5 Chassis frame 6 Longitudinal member 7 1st floor vertical passage floor 8 1st floor side floor 9 Front end entrance / exit 10 Front tire 11 Auxiliary engine Area 12 Second floor guest room 13 First floor service room 14 First floor vertical passage 15 First floor side 16 Side luggage compartment door 17 Rear tire 18 Main engine area 19 Emergency exit 20 Cabin vertical passage 21 Driver's seat 22 Tire house 23 Hot water corner 24 Table 25 Simple salon 26 Side luggage room 27 Telephone corner 28 Crew nap room 29 Toilet 30 Tire house G Single seat GL Ground P Left side S Right a Clearance g Body side thickness h Passage width n Seat pitch p Guest room effective height q Vertical passage effective height r Centerline ground height s First floor side effective height t Side lower surface ground height u Lower floor center line depth v Lower floor side depth w Middle floor depth x Beam depth y Step width z Passage width

Claims (1)

[Claims] 1. A first internal staircase which is erected from the first floor on one side of the front end of the vehicle body to the second floor on the center line of the front part of the vehicle body in a direction perpendicular to the front-rear direction from the left-right direction. A second internal staircase erected in the front-rear direction between a pair of left and right longitudinal members and connecting the second floor and a first-floor vertical passage floor provided at a lower end level of the longitudinal members in the center of the vehicle body; An internal staircase-type two-story bus comprising a first floor side floor provided at a level higher than a vertical floor passage floor.