JPH11301512A - Double cab vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low floor type double cab vehicle which is easy to get into and out of and which provides superior interior comfort. SOLUTION: A front frame 2a of lower clearance than the frame 2 is connected via a connecting member 15 to the front end portion 2b of the front portion from the front vehicle axle 11 of the frame 2, a double cab 1 is mounted on that front frame 2a, and a passageway 8 able to be passed through is provided in front/rear seat floor surfaces 6, 7 of a double cab 1. Therefore, the front/rear seat floor surfaces 6, 7 are able to be low making it easy to get into and out of the vehicle and the length in the front/rear direction of the double cab is long thus improving interior comfort. Also, the passageway 8 improves mobility within the double cab 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ladder type frame supported above a front axle and a rear axle via a suspension, and a plurality of occupants respectively mounted on a front seat and a rear seat mounted on the frame. The present invention relates to a double cab vehicle comprising a double cab having seats, and in which the occupant's accessibility to front and rear seats, getting out of the cab and getting out of the cab are improved.

[0002]

2. Description of the Related Art A conventional double cab vehicle used for a work vehicle such as a fire truck such as a ladder truck, a water pump truck, a rescue work vehicle, a crane truck, and a dump truck is shown in FIG.
In the ladder fire engine T, a front suspension FS and a rear suspension RS are attached to each axle of a front axle FA and a rear axle RA. A double cab 21 is mounted at the front end.

Referring to FIG. 12, engine 30 is arranged below double cab 21, so that front and rear seat floors 24 and 25, front passenger seat 22, and particularly, a height above ground of rear passenger seat 23. And the use of the front and rear steps 28 and 29 has a drawback of poor elevating property including opening and closing of the doors 26 and 27. Further, even in the front passenger seat 22, there is a floor protrusion between the driver's seat and the passenger's seat to secure a space above the engine, and it is difficult to move left and right. As described above, the steps on the floor between the front and rear seats and the protrusions on the floor between the front and left seats hinder the mobility and occupancy of the occupants. Was.

In order to reduce the ground height of the double cab 21, there is a method of lowering the height of the engine.
13 and 14, the vertical action dimensions of the leaf spring FS used for the front shaft suspension and the parent-child spring RS used for the rear shaft suspension, and the front and rear tires WF, WR
Due to the dimensional restrictions on the height of the front and rear axles FA and RA, which are limited by the above-mentioned size, the practical minimum limit size of the ground height of the frame is limited, so that a great effect cannot be obtained.

Japanese Unexamined Patent Publication No. 5-62272 discloses a technique of disposing the engine position behind the front axle. However, this method alone has little effect due to the above-mentioned restriction of the minimum ground height of the frame by the suspension.

[0006]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned drawbacks of the prior art, and has good liftability.
An object of the present invention is to provide a low-floor type double cab vehicle having good mobility and habitability in a cab.

[0007]

SUMMARY OF THE INVENTION A double cab vehicle according to the present invention comprises a ladder-type frame supported above a front axle and a rear axle via a suspension, and front and rear seats mounted on the frame. In a double cab vehicle comprising a double cab having a plurality of occupant seats in each of the seats, a front frame having a lower ground height than the upper surface of the frame is connected to a front end portion of the frame in front of a front axle via a connecting member. The double cab is mounted on the front frame, and the double cab is provided with a flat traffic floor that can pass through the floor between the front and rear seats.

According to the double cab vehicle of the present invention constructed as described above, a front frame having a height lower than the ground height of the frame is connected to the front end of the frame by a connecting member, and the double cab is connected to the front frame. As a result, the floor of the double cab can be lowered, and in particular, the floor of the rear passenger seat can be at the same height as the front passenger seat. Therefore,
It is possible to provide a flat traffic floor that allows free passage of front and rear passenger seats, making it easy to get up and down to the double cab, and moving from the front passenger seat to the rear passenger seat depending on the traffic floor. Also, it is possible to directly move from the rear passenger seat to the front passenger seat. For example, in order to remove the oxygen cylinder hung on the wall of the rear passenger seat, as in the conventional case, the front passenger temporarily goes out of the double cab from the front door, then opens the rear door and transfers to the rear passenger seat. No complicated route is required. If the occupant gets out of the double cab and there is an obstacle on the ground, for example, it is easy to get out of the front door through the aisle floor from the rear occupant seat and get off quickly. Can be.

Further, another double cab vehicle of the present invention includes:
A ladder-type frame supported above each of the front axle and the rear axle via a suspension, and a double cab mounted on the frame and having a plurality of occupant seats in front and rear seats, respectively. In double cab vehicles,
The double cab is provided with a flat passage floor that can pass through the floor between the front and rear seats. By providing a flat floor that can pass through the floor between the front and rear seats of the double cab, passengers can easily move inside the double cab, and preparations inside the car and changing seats in case of emergency are made possible. Etc. and can be easily moved to a door that can be descended.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4, a double cab vehicle T includes front and rear axles 11 and 12 and front and rear axles 11 and 12.
Having a ladder-type frame 2 supported by a front suspension FS and a rear suspension RS mounted thereon, and a plurality of front occupant seats 3 and a plurality of rear occupant seats 4 mounted on a front portion of the ladder-type frame 2. The cab 1 has a general configuration. Here, FIG. 2 shows a ladder fire truck,
FIG. 3 shows a state before the ladder device is mounted.

The front axle 11 is a driven axle in this case, and the rear axle 12 is a drive axle which is a drive axle and a rear axle spring rear suspension RS. I support it.

The ladder-type frame 2 is formed so as to be flat from the rear end to the front end FSf of the front suspension FS and slightly to the front. Referring to the side view of FIG. 5 and the top view of FIG. 6, the front frame 2a is joined by the joining member 15 slightly forward of the front end FSf.

The front frame 2a is configured to mount the double cab 1 at a ground height Hf lower than the ground height Hm of the frame 2. The connecting member 15 is composed of a terminal plate 15a and a support plate 15b, and is joined to the front end 2b of the frame 2 by, for example, welding with the terminal plate 15a.
The front frame 2a is welded to a through a support plate 15b. As described above, the front frame 2a offset from the frame 2 in the height direction above the ground by the coupling member 15 is formed flat up to the tip of the vehicle.
The method of connecting the frame 2 and the front frame 2a by the connecting member 15a does not depend on welding, but may be, for example, bolt connection or fitting connection.

As described above, the separate front frame 2
By connecting a to the frame 2, it is possible to solve the difficulty of significantly reducing the ground clearance at the front end only by press forming the frame 2.

As shown in FIGS. 1 to 3, the double cab 1 has a front frame 2a having a low ground height.
The front seat floor 6 and the rear seat floor 7 are flattened, and the front seat floor 6 and the rear seat floor 7 are further provided between the front driver's seat 3d and the front passenger seat 3s. A passage 8 which is a traffic floor formed by connecting flats is provided. Here, reference symbol Df indicates a front door, and Dr indicates a rear door. Reference symbol E indicates an engine.

The operation of the embodiment shown in FIGS. 1 to 6 will be described. 1 and 2, when traveling, a plurality of occupants Pf of the front passenger seat 3 and a plurality of occupants Pr of the rear passenger seat 4 are seated in the state shown in FIG. Then, for example, in the case of a fire engine, after arriving at the site, the user may carry a mask, an oxygen cylinder, and the like, and get out of the vehicle from the double cab 1 having a low ground clearance. At this time, the occupants Pf, Pr sitting in the front occupant seat 3 may go to the rear through the passage 8 if necessary, wear necessary items, carry necessary equipment, and use the door that is most accessible to outside the vehicle. Go to

If there is an obstacle outside a specific door, and it is difficult to open the door or to enter or exit the vehicle, the user enters and exits using another door. Thus, passage 8
Thereby, the inside of the double cab 1 can be freely moved, and it is possible to easily enter and exit the double cab 1.

Next, referring to FIG. 7, in another embodiment of the frame, the upper and lower portions of the connecting portion between the frame 2 and the front frame 2A at the connecting member 15A are eliminated, and the connecting portion of the front frame 2A is changed to 2Ac. It is formed so that the height of the ground is lowered by inclining. In this manner, the connecting member 15A
Of the double cab 1 on a low floor.

Referring to FIG. 8, in another embodiment of the frame, a hollow rectangular member 15B is provided so that the height above the ground of the front frame is further reduced by a connecting member 15B.
a to the frame 2, and the hollow rectangular material 15Ba
The front frame 2B is connected to the support frame 15Bb by a support plate 15Bb. Thus, the frame 2 and the front frame 2
Even when there is a large vertical difference such that B cannot be directly connected, the double cab 1 can be mounted on a low floor by joining with the hollow rectangular material 15Ba.

Next, a double cab vehicle according to another embodiment will be described with reference to FIGS. 9 and 10
, A double cab 1F is mounted on a front end 2Fa of a ladder type frame 2F. And double cab 1
Between the driver's seat 3Fd and the front passenger's seat 3Fs on the front seat floor 6F of F, there is provided a passage 8F which is a flat traffic floor leading to the rear seat floor 7F.

The operation of the embodiment shown in FIGS. 9 and 10 will be described. During traveling, the plurality of occupants Pf in the front passenger seat 3F and the plurality of occupants Pr in the rear passenger seat 4F are seated in the state of FIG. Then, for example, if a fire engine arrives at the site, the person goes out of the vehicle with a mask, an oxygen cylinder or the like as necessary. At this time, if necessary, the occupant Pf of the front seat 3F goes to the rear through the passage 8 and goes out of the vehicle using the door which has the necessary items and is the most accessible door. If there is an obstacle outside a specific door and it is difficult to open the door or it is difficult to get in and out of the vehicle, use another door to get in and out.
In addition, for example, when the driver changes hands in the front passenger seat 3F, it is possible to perform the movement in the double cab 1F.

As described above, the occupant can freely move in the double cab 1F by the passage 8F.

[0023]

The effects of the present invention are listed below. (1) A front frame with a reduced ground height is connected to the front end part ahead of the front axle by a connecting member, and a double cab is mounted on the front frame with a low ground height, so that the ground surface on the floor surface is lowered and the vehicle is raised and lowered. Becomes better. (2) Since the length of the front frame can be freely increased, the inside of the cab can be widened and the occupant's comfort can be improved. (3) The passage floor is provided on the floors of the front and rear passenger seats, so that the passenger can easily move in the double cab. For example, a door that is easy to ascend and descend can be selected for quick access. (4) Since the ground height of the double cab can be reduced, the height of the ladder mounting and the like can be extra, and high-performance equipment can be mounted. (5) Since the ground height of the double cab can be reduced, the position of the center of gravity of the vehicle is lowered, and the running stability and the stability of field work are increased. (6) Since the front frame having a low height above the ground is connected to the frame by the connecting member, a mass-produced frame can be used, and it is technically difficult and can be easily manufactured without newly installing an expensive press die. (7) If the front end of the frame is not lowered for a low floor and a straight floor is used up to the front end to provide an aisle floor, the floor height above the ground will be high, but vehicle manufacture is easy and
It can be done in a short time and the occupants can easily move inside the double cab,
Comfortability can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory side view of a double cab and a frame showing an embodiment of the present invention.

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view showing the entire vehicle of FIG. 1;

FIG. 4 is a side view of a fire engine in which a ladder is mounted on the vehicle of FIG. 3;

FIG. 5 is a side view of the left side of the frame showing the frame shape of FIG. 1;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a side view of the left side of the frame showing another frame shape.

FIG. 8 is a side view of the left side of the frame showing another frame shape.

FIG. 9 is an explanatory side view of a double cab and a frame showing another embodiment of the present invention.

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a side view of a conventional double cab vehicle.

FIG. 12 is a side view showing a conventional double cab.

FIG. 13 is a side view showing a suspension of the front axle shown in FIG. 11;

FIG. 14 is a side view showing the suspension of the rear axle in FIG. 11;

[Explanation of symbols]

 FS Front suspension RS Rear suspension T Double cab vehicle Pf Front occupant Pr Rear occupant 1 Double cab 2 Frame 2a Front frame 2b Front end 3 front passenger seat 3d driver seat 3s passenger seat 4 rear passenger seat 6 front floor surface 7 rear floor surface 8 aisle 11 front axle 12. Rear axle 15 Connection member

Claims (2)

[Claims] 1. A ladder-type frame supported above a front axle and a rear axle via a suspension, and a double cab mounted on the frame and having a plurality of occupant seats in front and rear seats, respectively. In the double cab vehicle, a front frame lower than the upper surface of the frame is connected to a front end of the frame in front of the front axle via a connecting member, and the double cab is mounted on the front frame. A double cab vehicle, characterized in that the double cab is provided with a flat traffic floor that can pass through the floor between the front and rear seats. 2. A ladder-type frame supported above a front axle and a rear axle via a suspension, and a double cab mounted on the frame and having a plurality of occupant seats in front and rear seats, respectively. A double cab vehicle, characterized in that the double cab is provided with a flat traffic floor that can pass through the floor between the front and rear seats.