JPH10318059A - Structure of air cleaner attaching part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To sufficiently absorb energy in a carburetor floor rear part at the time of collision by attaching an air cleaner main body to a chassis frame of a truck or the like by a movable bracket so as to fall off at the time of collision. SOLUTION: An air cleaner main body 6 provided in a vehicle 1 such as a truck is strongly fixed by a hinge part 17 provided between a fixed bracket 15 and the arm part of the rear side of a movable bracket 16 and a falling down regulation pin 20 inserted in through holes formed between the fixed bracket 15 and the arm part of the front side of the movable bracket 16. But when an accident such as collision occurs in the vehicle 1, a carburetor hinge part 5 is deformed and a carburetor 4 is moved rearward, the falling down regulation pin 20 is pulled out via a connecting member 24 fixed to the front of the carburetor 4. Then, the movable bracket 16 and the air cleaner main body 6 are caused to fall down easily rearward around a hinge part 17 and thus collision energy is sufficiently absorbed by the carburetor 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of an air cleaner, and more particularly, to a mounting structure of an air cleaner capable of obtaining a strong fixed state at normal times and easily falling off at the time of collision. It is about.

[0002]

2. Description of the Related Art FIGS. 7 and 8 show a mounting structure of an air cleaner of a vehicle such as a truck.

In general, a vehicle 1 such as a truck mounts a cab 4 serving as a driver's cab on a front portion of a chassis frame 3 on which an engine, wheels 2 and the like (not shown) are mounted, and connects the front portion of the cab 4 to a cab hinge portion. 5 and a cab hinge 5 at the rear of the cab 4.
And a lock mechanism (not shown) capable of locking and unlocking the cab 4 around the center of the vehicle.

[0004] A cylindrical air cleaner body 6 is disposed at a position adjacent to the rear part of the cab 4 on the side of the chassis frame 3 with its axis oriented in the vehicle width direction 7. It is firmly fixed to the chassis frame 3 via 8 and bolts 9.

In FIG. 1, reference numeral 10 denotes an air suction portion protruding from the air cleaner main body 6, and reference numeral 11 denotes an air suction portion which is integrally attached to a rear portion of the cab 4, and which is turned upside down by the cab 4.
An intake pipe 12 connected to and disconnected from the air cleaner body 6 projects from the air cleaner body 6 and is connected to an engine (not shown); an air discharge portion 13; a cab floor 13; It is a loading platform provided in the part.

According to the above configuration, the air cleaner main body 6
Since the vibration of the engine (not shown) is directly transmitted through the air discharge portion 12, the vibration is securely fixed to the chassis frame 3 via the bracket 8 and the bolt 9 so that the air cleaner main body 6 does not rattle. I have.

[0007]

However, the above-mentioned conventional air cleaner mounting portion structure has the following problems.

That is, for example, when a collision impact acts on the vehicle 1 such as an automobile or a truck, first, the cab hinge portion 5 which is weak in strength is deformed, and the cab 4 is moved rearward as a whole. The rear part of the cab floor 13 is deformed so that the cab 4 is crushed from the rear so as to absorb the collision energy.

However, as described above, when the air cleaner body 6 is located at the rear position of the cab 4,
If the rear of the cab floor 13 is deformed due to a collision, the cab floor 13
Of the cab floor 1 interferes with the air cleaner body 6
There is a risk that deformation of the rear part of 3 will not work as designed.

The present invention has been made in consideration of the above circumstances, and has as its object to provide an air cleaner mounting portion structure capable of obtaining a strong fixed state at normal times and easily falling off at the time of a collision.

[0011]

The present invention is characterized in that an air cleaner main body 6 is attached to a chassis frame 3 of a vehicle 1 via movable brackets 16 and 27 so as to be able to fall off at the time of a collision. It is related to the mounting structure.

According to the above means, the following effects can be obtained.

At the time of collision, the air cleaner main body 6 is moved by the movable brackets 16 and 27, and the chassis frame 3 is moved.
It is dropped from the upper mounting position.

Thus, the air cleaner main body 6 is prevented from preventing the cab 4 from absorbing the collision energy.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 4 show a first embodiment of the present invention.

The basic structure of a vehicle such as a truck is the same as that shown in FIGS. 7 and 8, and the same parts are denoted by the same reference numerals and description thereof will be omitted.

In the present invention, the air cleaner body 6 is normally used.
This is characterized in that the air cleaner main body 6 is configured to be securely fixed and the air cleaner main body 6 can easily fall off in the event of a collision.

More specifically, a fixing bracket 15 having a substantially U-shaped cross section is attached to a required position of the chassis frame 3 so that an open portion of the U-shaped surface faces downward. And a movable bracket 16 integrally attached to a lower portion of the air cleaner main body 6 and fitted to the fixed bracket 15 from above.
A hinge 17 that allows the movable bracket 16 to fall back and forth is provided between the movable bracket 16 and the rear arm of the movable bracket 16, and between the fixed bracket 15 and the front arm of the movable bracket 16,
The communication holes 18 and 19 extending in the front-rear direction are formed.
8 and 19, the up / down regulating pin 20 is inserted into the groove 21 formed in the leg of the up / down regulating pin 20, and the groove locking projection 2 is inserted.
A ring member 23 having a groove 2 around the hole is fitted.
1 and the groove locking projection 22 are engaged with each other.

Further, one end of a connecting member 24 such as a wire is fixed to a dash panel portion or the like at the front portion of the cab 4, and the connecting member 24 such as a wire is wrapped around a sheave 25 attached to the front portion of the chassis frame 3. After that, the other end of the connecting member 24 such as a wire is fastened to the head of the tilting control pin 20,
The cab 4 is moved so that the tilting control pin 20 can be disengaged.

Next, the operation will be described.

Normally, a hinge 17 provided between the rear arm of the fixed bracket 15 and the movable bracket 16 is provided.
The air cleaner main body 6 is moved by an up-and-down regulating pin 20 inserted between communication holes 18 and 19 extending between the fixed arm 15 and the front arm of the movable bracket 16 in the front-rear direction. Is firmly fixed so that it does not rattle up and down.

When a collision accident or the like occurs in the vehicle 1 such as an automobile or a truck, first, the cab hinge portion 5 having low strength is deformed, and the cab 4 is moved rearward as a whole.

At this time, one end of a connecting member 24 such as a wire fixed to a dash panel portion or the like at the front of the cab 4 is pulled rearward together with the cab 4 and is connected to a wire or the like by a sheave 25 attached to the front of the chassis frame 3. Connecting member 24
Of the connecting member 24 such as a wire.
Is pulled forward.

As a result, the tilting control pin 20 fixed to the other end of the connecting member 24 such as a wire is pulled forward,
The ring member 23 fitted and engaged in the groove 21 formed in the leg of the tilt-down control pin 20 has the groove engaging projection 22 formed in the groove 2.
1 and is forcibly removed from the pin 20.
The tilt-down control pin 20 is pulled out of the communication holes 18 and 19 formed between the fixed bracket 15 and the arm on the front side of the movable bracket 16 and extending in the front-rear direction.

Then, the movable bracket 16 and the air cleaner main body 6 can easily fall backward around the hinge portion 17, and the force applied at the time of collision and the cab 4 can be reduced.
When the air cleaner body 6 is defeated due to the movement of
Since the gap between the air cleaner main body 6 and the cab 4 is increased, interference between the two is eliminated, and the cab floor 13 at the time of collision is eliminated.
The rear portion can be deformed successfully and reliably, so that the cab 4 can sufficiently absorb the collision energy.

Moreover, in the present invention, the cab 4
When the cab floor 13 starts to move backward, the falling-down regulating pin 20 is removed via the connecting member 24 such as a wire. Thereafter, when the rear portion of the cab floor 13 starts to be deformed, the air cleaner body 6 can be retracted. Therefore, the rear portion of the cab floor 13 can be more reliably deformed.

In general, the mounting position of the air cleaner main body 6 has a small degree of freedom because it is related to other equipment not shown. According to the present invention, the air cleaner main body 6 can be retracted at the time of a collision without changing the mounting position of the air cleaner main body 6. The effect is also obtained.

FIGS. 5 and 6 show a second embodiment of the present invention, in which a bracket 8 shown in FIG. 8 is replaced with a fixed bracket 26 fixed to the chassis frame 3 and a movable bracket 27 fixed to the air cleaner main body 6. The movable bracket 27 is connected to the fixed bracket 26 by a swing center bolt 28 extending in the front-rear direction so as to be able to be turned up and down in the left-right direction. The up-and-down restricting pin 31 is inserted into the communication holes 29 and 30 formed therebetween, and a ring member 32 similar to FIG.
Is fitted, and the tilting control pin 31 is pulled by the connecting member 24 such as a wire.

In this case as well, a strong fixed state is obtained in the air cleaner main body 6 in a normal state, and the tilting control pin 31 is pulled out in a collision, so that the air cleaner main body 6 can be easily moved around the swing center bolt 28. Can be dropped downward.

Except for the above, the present embodiment has the same configuration as that of the above-described embodiment, and the same operation and effect can be obtained.

It should be noted that the present invention is not limited to the above-described embodiment, but that the connecting member can be replaced with a rod or a link, and that various changes can be made without departing from the scope of the present invention. Of course, it can be added.

[0033]

As described above, according to the structure of the mounting portion of the air cleaner of the present invention, a strong fixed state can be obtained in a normal state, and the air cleaner can be easily dropped off in the event of a collision. Can be performed sufficiently.

[Brief description of the drawings]

FIG. 1 is a schematic partial side view of a first embodiment of the present invention.

FIG. 2 is a partially enlarged view of FIG.

FIG. 3 is a partially omitted perspective view of FIG. 2;

FIG. 4 is a perspective view showing a part of the tilting control pin of FIG. 2;

FIG. 5 is a schematic partial enlarged front view of a second embodiment of the present invention.

FIG. 6 is a view taken in the direction of arrows VI-VI in FIG. 5;

FIG. 7 is a schematic partial side view of a conventional example.

FIG. 8 is a view taken in the direction of arrows VIII-VIII in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle 3 Chassis frame 6 Air cleaner main body 16, 27 Movable bracket

Claims (1)

[Claims] An air cleaner body (6) is mounted on a movable bracket (1) with respect to a chassis frame (3) of a vehicle (1).
6) A mounting structure for an air cleaner, which is mounted via (27) so as to be detached in the event of a collision.