JPH0626449Y2 - Large car with a carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a large vehicle equipped with a carrier in which a loading / unloading ladder of a large vehicle is also used as an operation arm of a cargo handling carrier.

[Prior Art] In a conventional large-sized automobile, a ladder for a driver to get on and off is fixed to a side surface of a body adjacent to a driver's seat door. On the other hand, for cargo handling of large vehicles, an operator carries the cargo by hand, or a carrier is loaded on a carrier of the vehicle and the carrier is used for cargo handling.

[Problems to be Solved by the Invention] In the above-mentioned large-sized automobile, since the carrier was mounted on the carrier of the vehicle, there were the following problems.

That is, it is desired that the transportation efficiency of a large vehicle is as large as possible in terms of fuel cost, time, and working hours of a driver, as much as possible. Therefore, there is a problem that when the carrier is loaded on the bed of the vehicle, the space occupied exclusively for loading the luggage is reduced correspondingly, and the transport efficiency is reduced.

The carrier itself has a side L-shape that cannot be disassembled and is composed of an operation arm and a load carrier with wheels.
The loading posture is bad, so the space occupied by the carrier is relatively large, and the shape and size of the load are not always constant. When loaded together,
Furthermore, there is a problem that the loading density of the loading platform is lowered and the transportation efficiency is lowered.

The purpose of the present invention is to mount the carrier on the vehicle bed,
It is intended to provide a large vehicle equipped with a carrier that can be mounted on the outside of the large vehicle and that improves the transportation efficiency.

[Means for Solving the Problems] The structure of the present invention for solving the problems of the prior art has several steps between two side members on the side of the body adjacent to the rear of the driver's door of a large vehicle. A carrier in which a ladder that also serves as an operation arm of a tiered carrier is removably provided, and a support rod is provided on the side surface of the frame of the luggage carrier that constitutes the large-sized vehicle at a spacing substantially equal to the spacing between the side members that configure the ladder. A support base is provided, and an arm attachment portion having a cylindrical structure provided on the carrier and having the lower ends of both side members of the ladder inserted and supported is detachably inserted and supported on a support rod of the carrier support base. It was done.

[Operation] With this configuration, during normal traveling, the ladder is attached to a predetermined position on the side portion of the body to allow the driver to get on and off, and the carrier is set to a predetermined position on the vehicle bed. It is stored and fixedly supported by the provided carrier support base.

Then, at the time of loading and unloading work of a large-sized automobile, the ladder that also serves as the operation arm and the carrier are removed from the vehicle, and the lower ends of both side members that form the ladder are inserted into the arm mounting portion of the carrier in the arm mounting portion having the tubular structure of the carrier Cargo handling is performed by using the ladder as the operation arm of the carrier.

[Embodiment] An embodiment of the present invention will be described in detail below.

In FIG. 1, a ladder 4, which also serves as an operation arm of a carrier, which will be described later, is detachably attached to a side portion adjacent to a rear side of a driver's seat door 2 of a large vehicle 1. A carrier frame 3 has a carrier support 6 fixed to an arbitrary outer position of the frame 3, and a carrier 5 is supported on the carrier support 6.

This will be described in more detail with reference to FIG. 2 and
In FIG. 3, the ladder 4 is provided between the two side members 7,
It is composed of a plurality of steps 8 arranged in a row. Reference numeral 10 designates two hooks of a clip structure which are attached to a vehicle body 12 of a vehicle via fixing hardware 11, respectively. The hooks 10 are inserted from above by the uppermost step 8 constituting the ladder 4. In addition to being supported, the spring effect is provided by bending it slightly inward so that the step 8 does not come off easily. 9 are two standing on the vehicle body
They are a set of supporting cylinders, and are provided in accordance with the intervals between the both side members 7 forming the ladder 4. In the state shown in the figure, the lower ends of both side members 7 of the ladder 4 are inserted into the support cylinder 9, and the uppermost step 8 is inserted into the hook 10 from above, so that the ladder 4 is inserted into the support cylinder 9 and the hook 10. It is indicated that it is detachably supported.

On the other hand, the carrier support base 6 attached to the vehicle is
As shown in the figure, two vertical support rods 14 are erected on the outer ends of the horizontal sides of the bracket 15 whose side shape is bent into an L shape, and the middle portions of these two support rods 14 are in a horizontal posture. Are connected by a stopper 17 and are formed so as to have rigidity. The distance between the support bars 14 is substantially equal to the distance between the side members 7 of the ladder 4. The carrier support 6 is fixed to the frame 3 with bolts 16.

Next, as shown in FIG. 5, the carrier 5 has a load receiving base 18 whose base end is bent substantially at right angles, and an L-shaped side surface connected to a bent portion of the load receiving base 18 via a hinge 19. Connecting piece 20, an arm mounting portion 21 of a cylindrical structure which is erected on one side of this connecting piece 20, and an arm fixed to this arm mounting portion 21.
An axle 26 is mounted between the wheels 22, and a wheel 23 is attached to the end of the arm 22. The distance between the arm attachment portions 21 is substantially equal to the distance between the side members 7 of the ladder 4. Reference numeral 24 is a lock tube that is in agreement with the axis of the arm attachment portion 21 and communicates with it, and is attached to the outer surface of the bent portion of the load receiving base 18. The length of the support rod 14 is substantially the same as the length of the loading platform 18, and the distance between the upper end of the support rod 14 and the upper surface of the stopper 17 is substantially the same as that of the arm attachment portion 21.

FIG. 7 shows another embodiment of the carrier support base 6,
Two support rods 14 are fixed to the frame 3 in the horizontal direction, and the lock tube 24 and the arm mounting portion 21 are inserted and supported in the support frame 14. In this way, the carrier 5 is supported by the support rods 14. An upper end of a locking member 27 that abuts and locks on the wheel 23 is rotatably provided on a main body 29 via a pin 28. A hole (not shown) to be inserted into the tip of the support rod 14 is formed in the tip of the locking member 27. Reference numeral 30 is a key, and 31 is a key hole formed on the tip of the support rod 14 for locking the key 30.

[Description of Action] The action of the present embodiment configured as described above will be described below.

First, the ladder 4 and the carrier 5 are attached to the vehicle body side when a large automobile is running. That is, the ladder 4 is lifted from above as shown in FIG. 3, and while inserting the uppermost step 8 of the ladder 4 into the hook 10, the lower ends of both side members 7 are inserted into the support cylinder 9. Fix it. As a result, the ladder 4 is prevented from falling off during traveling because the uppermost step 8 is firmly held by the spring effect of the hook 10. And it is used as a ladder when the driver gets on and off.

On the other hand, the carrier 5 is, as shown in FIG.
Is inserted into the support rod 14 up to the stopper 17. Then, the chain 25 is tied between the axle 26 and the stopper 17 to prevent the carrier from dropping during traveling, and to hold the carrier 5 folded by the hinge 19 in a stable state. The weight of the carrier 5 is supported by both or one of the lower end of the arm mounting portion 21 that abuts on the stopper 17 and the lower end of the load receiving base 18 that abuts on the horizontal side of the bracket 15.

Further, in the case of the carrier support base 6 shown in FIG. 7, the carrier 5 is not bent by the hinges 19 and the support rod 14 is directly inserted into the lock tube 24 and the arm attachment portion 21, and the wheel 23 is locked by the locking member 27. Lock and attach the key 30. As a result, the carrier 5 does not fall off even while the large vehicle is running.

Next, when carrying out the cargo handling work, in the state shown in FIG. 3, the hook 10 is easily removed from the support cylinder 9 by lifting the ladder 4 upward.

On the other hand, the carrier 5 moves from the state shown in FIG.
Is removed and the carrier 5 is easily lifted up. Further, in the case of the carrier support base 6 shown in FIG. 7, the key 30 is released and the locking member 27 is shown by a virtual line 27a.
It is easily removed by pivoting to the position and pulling out the carrier 5 in the horizontal direction.

The ladder 4 thus removed is assembled into the carrier 5 as follows.

In FIG. 8, the carrier 5 in the folded state is
The loading platform 18 is extended from the position of 18a shown by the phantom line to the position shown by the solid line. As a result, the arm mounting portion 21 and the lock tube
24 and a single vertical cylinder. Next, the bending of the hinge 19 is locked by inserting the lower end of the side member 7 of the ladder 4 over the arm attachment portion 21 and the lock tube 24 in the vertical state. FIG. 9 shows this state. As a result, the ladder 4 can be used as the operation arm of the carrier 5, and the load placed on the carrier 18 of the carrier 5 can be carried while being supported on the front surface of the ladder 4 which also serves as the operation arm. Further, as shown in FIG. 10, the ladder 4 can also be used as a ladder when getting on and off the loading platform of a vehicle.
After the loading and unloading, the ladder and the carrier 5 are disassembled and then stored in their original places.

[Effects of the Invention] As described in detail below, according to the configuration of the present invention, the following effects can be obtained.

(a) A ladder is removably attached to the vehicle body, and a carrier support base having support bars provided at substantially equal intervals as the side members of the ladder is attached to the frame, and the carrier support base is attached to the carrier via an arm attachment portion. Since the carrier is supported, it is possible to carry out the cargo handling work using the carrier without mounting the carrier on the carrier of the vehicle. As a result, the loading density of the loading platform can be sufficiently increased to improve the transportation efficiency, and the loading / unloading work can be made efficient.

(b) Since the ladder is detachably provided adjacent to the door of the driver's seat, the ladder can be used for the entry and exit of the driver and can be utilized as an operation arm of the carrier.

[Brief description of drawings]

FIG. 1 is a side view of a large-sized automobile showing an embodiment of the present invention, FIG. 2 is a side view showing an enlarged mounting portion of a ladder in FIG. 1, and FIG. 3 is A of FIG. -A longitudinal sectional view taken along the line A, Fig. 4 is an enlarged perspective view of the mounting portion of the carrier support base in Fig. 1, and Fig. 5 is a perspective view of the carrier.
FIG. 6 is a partial vertical cross-sectional view showing the state where the carrier is supported by the carrier supporting base shown in FIG. 4, and FIG. 7 is another embodiment of the carrier supporting base. FIG. 8 is a perspective view showing the assembled and disassembled carrier of the ladder, FIG. 9 is a perspective view showing the assembled state in FIG. 8, and FIG. 10 is a use of the ladder. It is a side view which shows a mode. 1 ... Large vehicle, 2 ... Driver door, 3 ... Frame, 4 ... Ladder, 5 ... Carrier, 6 ... Carrier support, 7 ... Side member, 8 ... Step, 9 ... Support Cylinder, 10 ... Hook, 12 ... Body, 14 ... Support rod.

Claims (1)

[Scope of utility model registration request] Claims: 1. A ladder which is detachably provided on a side portion of a body adjacent to a rear side of a driver's door of a large-sized automobile, the ladder also serving as an operating arm of a carrier having several steps arranged between two side members, On the side surface of the frame of the cargo bed that constitutes the large-sized automobile, a carrier support table that is provided with support rods at substantially equal intervals as the distance between both side members that constitute the ladder is provided.
An arm attachment portion, which has a cylindrical structure provided on the carrier and on which lower ends of both side members of the ladder are inserted and supported, is detachably inserted and supported on a support rod of the carrier support base. A large car equipped with a carrier that will