JP2000335428A - Truck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an epochal truck very convenient and extremely high in commercial value. SOLUTION: Wheel mounting parts 2 are freely rotatably provided on a load carrying platform part 1, wheels 3 are freely rotatably provided on these wheel mounting parts 2, the wheels 3 capable of traveling the load carrying platform 1 are vertically provided on the load carrying platform part 1 side part. Rotation preventing parts 4 holding the load carrying platform part 1 in a floating state via the wheels 3 when these wheel mounting parts 2 prevents upward rotation and the wheels 3 are in ground states are provided. By rotating the wheel mounting parts 2 in rotating directions opposite to rotating directions prevented by these rotation preventing parts 4 and rotating, refuging and moving the wheels 3 upward relative to the load carrying platform part 1, the load carrying platform part l is constituted to be grounded. A traveling possible state grounding the wheels 3 and a traveling impossible state grounding the load carrying platform part 1 and lowering the height of a truck by a wheel suspension length can be switched by rotating operations of the wheel mounting parts 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a truck which is very convenient and revolutionary.

[0002]

2. Description of the Related Art There has been proposed a bogie (hereinafter, referred to as a conventional example) in which wheels are suspended from a loading platform in which a hand pushing portion is foldably provided upright.

[0003] This conventional example is convenient and widely used, for example, when carrying large luggage which is very difficult to carry by hand, such as during shopping.

When a conveyed luggage, for example, a kerosene tank containing kerosene is to be loaded on a loading portion (trunk) of an automobile, a large space is required to store the kerosene tank and the truck in separate places in the trunk. Is required.

[0005] Therefore, when an attempt is made to load while the kerosene tank is placed on the carrier, the height of the kerosene tank rises by the amount that the carrier is lifted from the ground surface by the wheels, and the kerosene tank does not enter the trunk (door). Often does not close), and even if the kerosene tank is placed in the trunk with the kerosene tank on the carrier, the wheels will rotate and move (move) in the trunk when moving, etc. The conventional example also has the disadvantages described above, such as the danger of the tank falling over.

The present applicant has further researched and developed this bogie, and has completed an epoch-making bogie that is very convenient and extremely high in commercial value.

[0007]

The gist of the present invention will be described with reference to the accompanying drawings.

A wheel mounting portion 2 is rotatably provided on the bed portion 1, and wheels 3 are rotatably provided on the wheel mounting portion 2, and the wheels 3 on which the bed portion 1 can travel are mounted on the side of the bed portion 1. A rotation preventing portion 4 that vertically suspends the wheel mounting portion 2 to prevent the wheel mounting portion 2 from rotating upward and holds the loading platform 1 in a floating state via the wheel 3 when the wheel 3 is in a ground contact state. The wheel mounting portion 2 is rotated in a rotation direction opposite to the rotation direction blocked by the rotation prevention portion 4, and the wheel 3 is rotated and retracted upward with respect to the carrier 1. The wheel mounting portion is configured so that the loading portion 1 can be grounded and a traveling state in which the wheels 3 are grounded, and a non-traveling state in which the loading portion 1 is grounded and the height of the bogie is lowered by the length of the wheel suspension. 2. A truck according to claim 1, wherein the bogie can be switched by a rotation operation. .

The wheel mounting portion 2 has a base end pivotally attached to the side of the loading platform 1 so as to be rotatable, and rotates the wheel 3 at a tip protruding outward from the side of the loading platform 1. 2. The bogie according to claim 1, wherein the bogie is freely pivoted.

The rotation preventing portion 4 has an engaging portion 5 with which the wheel mounting portion 2 can removably engage from below, and is provided on the side of the loading platform 1. A trolley according to any one of claims 1 and 2.

The truck according to any one of claims 1 to 3, wherein a frame portion 6 for preventing the baggage from tipping over is provided upright on the carrier portion 1 around the carrier portion 1. It is related to.

[0012] Further, it is configured that several kerosene tanks can be placed on the loading platform 1.
It relates to the bogie described in (1).

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

According to the present invention, for example, when carrying a package,
When the wheel mounting portion 2 is prevented from rotating by the rotation preventing portion 4, the carrier 1 is lifted up via the wheels 3, and in this state, a load is placed on the carrier 1 and the wheels 3 travel. Will carry the luggage.

When the transported luggage is to be loaded on, for example, a loading section (trunk) of an automobile, the wheel mounting section 2 is turned in a turning direction opposite to the turning direction blocked by the turning prevention section 4. To move the wheel 3 upward with respect to the loading platform 1 so that the loading platform 1 can be grounded. In this state, the loading platform 1 is grounded in the trunk, and the loading platform 1 You have to load your luggage. At this time, according to the present invention, the bogie height is reduced by the length of the wheel droop,
Even when the load is placed on the loading platform 1, the loading platform 1 has a height enough to enter the trunk, and since the loading platform 1 is in contact with the ground and cannot be driven by the wheels 3, the loading platform 1 functions as a so-called loading platform. Of course, luggage does not fall without being rampaged when moving.

Therefore, the above-mentioned problems of the conventional example are surely solved, and the luggage can be satisfactorily conveyed when the wheels 3 can travel only by switching the wheel mounting portion 2. In the traveling disabled state of No. 3, the cargo can be loaded well on, for example, the trunk of a car while the luggage is placed on the luggage section 1.

Further, in the case of the invention as described in the second aspect, the traveling of the wheels 3 only by rotating the wheel mounting portion 2 with the base end pivotally attached to the side portion of the carrier 1 as a fulcrum. Because it is possible to switch between the possible state and the traveling impossible state,
The state of the wheel 3 can be easily and satisfactorily switched as desired by the user.
There is no need to provide a stopper or the like, and the simple structure results in low cost and excellent mass productivity.

Further, in the case of the structure described in the third aspect of the present invention, the rotation preventing portion 4 is constituted by an engaging portion 5 with which the wheel mounting portion 2 can be detachably engaged from below. From
In the traveling state, the load is always applied to the locking portion 5 so that the wheel mounting portion 2 does not come off. When switching to the traveling disabled state, the wheel mounting portion 2 is simply rotated downward to lock the locking portion. 5 and can be easily switched.

Further, in the case of the invention according to the fourth aspect, even if the luggage tries to sway while loaded in the trunk of the automobile, the luggage on the luggage carrier 1 is overturned by the frame 6. Is reliably prevented, and a function like a so-called storage case is exhibited.

Further, in the case of the construction according to the fifth aspect of the present invention, particularly when the cargo is loaded, the height is increased, and the kerosene tank, which is extremely dangerous if it falls down, is favorably transported in an upright state. Will be able to do that.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the loading platform 1 is made up of a suitable rectangular frame 1a made of metal, and a bridging member 1b vertically and horizontally installed in the frame 1a. The mounting area is set to a size (about 40 cm in width and about 60 cm in length) capable of mounting about 3 kerosene tanks (for about 18 liters), and furthermore, the thickness of the loading section 1 (grounded). The height is such that when the kerosene tank is placed on the bed 1 loaded on the trunk of a general automobile, the door of the trunk can be closed without touching even if the kerosene tank is standing up. (Height).

In this embodiment, the truck for transporting the load is configured to be a truck capable of favorably transporting the kerosene tank. However, the dimensions and the like are appropriately changed according to the load to be transported and the transport conditions. What you get.

Also, as shown in FIG. 1, around the upper part of the loading part 1, there are rod members 6 a erected from the four-sided inner surfaces of the frame 1 a of the loading part 1, and upper parts of the respective rod members 6 a. There is provided a frame portion 6 constituted by a horizontal member 6b provided between the frame members, and the frame portion 6 can support a kerosene tank placed on the carrier 1 and prevent the kerosene tank from falling down. It is configured as follows.

The carrier 1 is provided with a hand pushing section 7.

As shown in FIGS. 1 to 4, the hand pushing portion 7 is provided with an appropriate metal-shaped U-shaped handle member 8, and the handle member 8 is provided at the rear end of the frame 1a so as to be able to move up and down. ing.

More specifically, the handle member 8 has a first rod member 9 erected between the lower ends thereof so as to penetrate therethrough.
Connecting plates provided on the right and left rear ends of the frame 1a.
10 is pivotally mounted between the upper front sections of
It is provided so as to be able to move up and down (freely move).

The first rod member 9 is provided with a pair of
A second rod member 12 is provided in a suspended state via 11, and the second rod member 12 has both ends thereof freely movable between long window holes 10 a provided in a lower rear portion of the connecting plate 10. The second rod member 12 is always in the long window hole 10a
Is biased upward.

The raising / lowering operation of the hand pressing portion 7 is performed as follows.

In the state where the handle member 8 is upright,
The lower end portion of the handle member 8 is held between the carrier 1 and the second bar member 12 and is held upright (see FIG. 2), and when the handle member 8 is turned down, the second bar member 12 is fired. When the handle member 8 is pushed down along the long window hole 10a while opposing the pin 11, the gripping of the lower end portion of the handle member 8 is released (see FIG. 3), and the handle member 8 is slid down with the first rod member 9 as a fulcrum. (See FIG. 4). In order to bring the handle member 8 upright, an operation reverse to that described above may be performed.

The wheel mounting part 2 is shown in FIGS.
As shown in FIGS. 9 and 10, a suitable pair of metal shafts 13 is rotatably mounted on a predetermined portion near the front end and the rear end of the loading platform 1. Each of the left and right ends of the loading platform 13 is a loading platform. The protruding portion 13a of each of the shaft rods 13 is formed so as to protrude from a side outer surface of the portion 1, and a base end portion thereof is bent at a right angle, and a distal end portion is bent at a right angle toward the outside. It is formed and formed.

A wheel 3 is rotatably provided at the tip of the wheel mounting portion 2.
When the (shaft) is rotated, the protrusion 13 protrudes from the loading platform 1
It becomes rotatable in the vertical direction with the base end of a as a fulcrum (see FIG. 5).

The length of the protruding portion 13a of the shaft 13 constituting the wheel mounting portion 2 and the diameter of the wheel 3 are such that the wheel 3 can contact the ground and run when the wheel mounting portion 2 is rotated. In the state (see FIG. 6), when the wheel 3 is rotated and retracted upward, the wheel 3 does not touch the ground, the loading platform 1 touches the ground, and the bogie height is reduced by the wheel hanging length (see FIG. 6). 7).

The rotation preventing portion 4 is provided with the structure shown in FIGS.
As shown in FIG. 10, a U-shaped engaging portion 5 is provided near the wheel mounting portion 2 on the side lower surface of the bed portion 1, and the engaging portion 5 is provided with a shaft 13 of the wheel mounting portion 2. Is configured so that the protrusion 13a of the second member can be detachably press-fitted from below.

Therefore, when the wheel 3 is rotated in the direction a in FIG. 6 (the direction opposite to the traveling direction of the present embodiment), the shaft 13 (protruding portion 13a) of the wheel mounting portion 2 is engaged. The further rotation upward is prevented by press-fitting engagement with the part 5, the wheel 3 comes into contact with the ground and is in a runnable state, while the wheel 3 is moved in FIG.
When rotated in the direction (the traveling direction in the present embodiment), the shaft 13 (the protruding portion 13a) of the wheel mounting portion 2 does not engage with the engaging portion 5 and retreats upward. After the movement, the engaging portion 5 comes into contact with the ground, and the vehicle cannot travel. In this embodiment,
The engaging portion 5 relating to the rotation preventing portion 4 is configured to protrude from the lower surface of the side of the carrier 1 to constitute a ground contact portion in a state where the wheels 3 cannot travel, but is provided on the side surface so as not to protrude from the lower surface. If the entire unit 1 is configured as a grounding unit, a more stable grounding state can be achieved.

Hereinafter, a specific method of using the cart according to the present embodiment will be described.

For example, when the kerosene tank containing the purchased kerosene is transported, the wheel mounting portion 2 is prevented from rotating by the rotation preventing portion 4, and the cargo bed portion 1 is floated via the wheels 3. In this state, the kerosene tank is conveyed by placing the kerosene tank on the loading platform 1 and running the wheels 3.

When the transported kerosene tank is to be loaded on, for example, a loading section (trunk) of an automobile, the wheel mounting section is turned in a turning direction b opposite to the turning direction a blocked by the turning prevention section 4. By rotating the wheel 2 and rotating and retreating the wheel 3 upward with respect to the platform 1, the platform 1 can be grounded. In this state, the platform 1 is grounded in the trunk, and The kerosene tank is to be loaded upright in Part 1. At this time, in the present embodiment, the bogie height is reduced by the length of the wheel suspension, so that even when the kerosene tank is placed on the carrier 1 with the kerosene tank standing up, the trunk has a sufficient height to close the trunk. 1 is in contact with the ground and cannot be driven by the wheels 3, and the kerosene tank is supported by the frame 6, so that the carrier 1 exerts the function of a so-called loading platform, as well as when moving. Also, the kerosene tank will not fall without a rampage.

Therefore, according to the present embodiment, the wheel mounting portion 2
By simply performing the switching operation, the kerosene tank can be satisfactorily conveyed when the wheels 3 can travel.
When the vehicle cannot travel, it is possible to load the vehicle well on the trunk of a car or the like while the kerosene tank is placed on the carrier 1.

Also, in this embodiment, the wheel 3 can be switched between the running state and the running disabled state only by rotating the wheel mounting portion 2 with the base end pivotally attached to the side of the loading platform 1 as a fulcrum. Therefore, it is possible to easily and satisfactorily switch the state of the wheel 3 as desired by the user, and further, it is not necessary to provide a stopper or the like on the wheel 3, and the simple structure reduces costs and excels in mass productivity. Will be.

In this embodiment, since the rotation preventing portion 4 is constituted by the engaging portion 5 with which the wheel mounting portion 2 can be detachably engaged from below, the turning preventing portion 4 is always locked in the running state. When switching to the running disabled state without load being applied to the portion 5 and the wheel mounting portion 2 does not come off, simply rotate the wheel mounting portion 2 downward to separate from the locking portion 5 and switch easily. Can be done.

Further, in this embodiment, the frame portion 6 for preventing the kerosene tank from tipping over is provided on the cargo bed portion 1 around the cargo bed portion 1 so that, for example, the kerosene tank is loaded in a trunk of an automobile. Even if it is likely to shake, the kerosene tank on the carrier 1 is reliably prevented from falling over by the frame 6,
It is suitable for transporting a kerosene tank, which exhibits a function like a so-called storage case, and which is bulky when it is loaded and which is extremely dangerous if it falls down.

[0043]

Since the present invention is constructed as described above, it is possible to carry the luggage satisfactorily in the state where the wheels can travel and only in the state where the wheels cannot travel by simply switching the wheel mounting portion. This is an epoch-making trolley that is very convenient and extremely high in commercial value, for example, it is possible to load cargo well on, for example, the trunk of an automobile while keeping the luggage on the pallet.

According to the second aspect of the present invention, in addition to the functions and effects of the first aspect of the present invention, only by rotating the wheel mounting portion with the base end pivotally attached to the side of the loading platform as a fulcrum. Since it is possible to switch between the runnable state and the runnable state of the wheel with, it is possible to easily and satisfactorily switch the state of the wheel as desired by the user, and further, it is not necessary to provide a stopper or the like on the wheel,
Because of its simple structure, it is a very convenient and extremely productive epoch-making bogie, such as low cost and excellent mass productivity.

According to the third aspect of the present invention, in addition to the functions and effects of the first and second aspects of the present invention, the rotation preventing portion is provided with an engagement with which the wheel mounting portion can be detachably engaged from below. In the traveling state, the load is always applied to the locking portion so that the wheel mounting portion does not come off. When switching to the traveling impossible state, the wheel mounting portion is rotated downward. It is a very convenient and extremely high value commercial epoch-making cart that can be easily switched by detaching from the locking part.

According to the fourth aspect of the present invention, in addition to the effects of the first to third aspects of the present invention, even if the luggage is to be shaken in a state of being loaded on the trunk of an automobile, the frame portion allows the luggage unit to be mounted on the luggage platform. The luggage can be reliably prevented from falling over, so that it can exhibit a function like a so-called storage case.

According to the fifth aspect of the present invention, in addition to the effects of the fourth aspect of the present invention, in particular, it is possible to transport a kerosene tank that is bulky when it is loaded and extremely dangerous if it falls down. It becomes a very convenient and extremely high value commercial vehicle.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the present embodiment.

FIG. 2 is a schematic operation explanatory view of a main part according to the embodiment.

FIG. 3 is a schematic operation explanatory view of a main part according to the embodiment.

FIG. 4 is a schematic operation explanatory view of a main part according to the present embodiment.

FIG. 5 is a schematic operation explanatory view of a main part according to the embodiment.

FIG. 6 is a schematic operation explanatory view of the present embodiment.

FIG. 7 is a schematic operation explanatory view of the present embodiment.

FIG. 8 is a schematic operation explanatory view of a main part according to the present embodiment.

FIG. 9 is a schematic operation explanatory view of a main part according to the present embodiment.

FIG. 10 is a schematic operation explanatory view of a main part according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Carrier part 2 Wheel mounting part 3 Wheel 4 Rotation prevention part 5 Engagement part 6 Frame part

Claims (5)

[Claims] A wheel mounting portion is provided on a loading portion so as to be rotatable,
A wheel is rotatably provided on the wheel mounting portion, and a wheel that can travel on the loading portion is vertically provided on a side portion of the loading portion to prevent the wheel mounting portion from rotating upward and the wheel is turned. When the vehicle is in the ground contact state, a rotation preventing portion for holding the loading portion in a floating state via wheels is provided, and the wheel mounting portion is turned in a rotation direction opposite to the rotation direction prevented by the rotation prevention portion. The truck is configured to be able to contact the ground by moving the wheel upward and retreating relative to the bed, so that the wheels can contact the ground, and the truck can be contacted with the truck by the length of the wheel hanging down. A bogie characterized in that it can be switched to a running disabled state with a reduced height by rotating the wheel mounting portion. 2. The wheel mounting portion has a base end rotatably pivotally attached to a side of the loading platform, and a wheel rotatably pivotally attached to a distal end protruding outward from the side of the loading platform. The trolley according to claim 1, wherein: 3. The rotation preventing portion has an engagement portion with which the wheel mounting portion can removably engage from below,
2. The device according to claim 1, wherein the carrier is provided on a side of the carrier.
The cart according to any one of the preceding claims. 4. The truck according to claim 1, wherein a frame for preventing the baggage from tipping over is provided on the carrier on the periphery of the carrier. 5. The truck according to claim 4, wherein a plurality of kerosene tanks can be placed on the loading platform.