JPH04113908A - Amphibian motor car - Google Patents

Abstract

PURPOSE:To avoid not only a wheel but a tire house from a water resistance by moving the wheel down by a suspension elevating means for running on land while moving the wheel up for running on water, and closing the tire house with a cover oscillated by an oscillation link. CONSTITUTION:A tire house 9 is formed at each suspension position 6 on both side of a vehicle body, a wheel 10 is installed in each tire house 9 for running on land, and each wheel 10 is suspended by a suspension elevating means 11. A tire house cover 29 consisting of a bottom plate extending along the width and a side plate bent along both sides is disposed at an outer bottom part of the vehicle body 1 for each tire house 9. For the tire house cover 29, the side plate is suspended to oscillate freely on both sides through a main arm 30 and an auxiliary arm 31 at both end parts of it. A rotary shaft 32 is reciprocated and rotated through an oscillation link 33 by a hydraulic cylinder 34, and in running on water, for example, each tire house 9 is closed with the tire house cover 29 to avoid it from being a resistance in running on water.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an amphibious vehicle, and particularly relates to an amphibious vehicle. This relates to devices that avoid water resistance and facilitate smooth running on water.

[Conventional technology]

In conventional amphibious vehicles of this type, when traveling on water, the wheels used for land traveling are pulled upwards by a wheel lifting device and stored inside the vehicle body, thereby reducing the amount by which the wheels protrude below the vehicle body. A wheel lifting device for an amphibious vehicle is known that can reduce the water resistance experienced during running on water (for example, Japanese Patent Laid-Open No. 63-27
(See Publication No. 12).

[Problem to be solved by the invention]

In the above-mentioned conventional amphibious vehicle wheel lifting device, the wheels are not stored in the vehicle body, and the wheels can only be raised to a certain extent, reducing the amount that the wheels protrude below the vehicle body while driving on water. Although it is possible to reduce the water resistance caused by the tire house, the water resistance caused by the tire house still cannot be avoided, and there is a problem that smooth running on water is not possible.

The present invention solves the above-mentioned problems of the prior art.When traveling on water, the wheels are housed in the tire house and the tire house is closed with a cover, thereby avoiding the wheels and the tire house from water resistance. The object of the present invention is to provide an amphibious vehicle that can run smoothly.

[Means to solve the problem]

In order to achieve the above object, the amphibious vehicle of the present invention has wheels that are disposed in a tire house formed on the hull and can be raised and lowered by a suspension lifting device, and a suspension suspended from a swinging link driven by an actuator. The cover is configured to be swingable by a swing link between two positions: a closed position where the tire house is closed and a position on the outer wall of the hull where the tire house is opened. .

[Effect]

The amphibious vehicle configured as described above has wheels that are arranged in a tire house formed on the hull and can be raised and lowered by a suspension lifting device, so when traveling on land, the wheels are raised and lowered by the suspension lifting device. By lowering it, it is possible to travel on land, and when traveling on water, the wheels can be raised, and since it has a cover suspended from a swing link driven by an actuator, the swing link By closing the tire house with the swingable cover, the wheel as well as the tire house can be protected from water resistance. Moreover, since the cover is configured to be able to swing between two positions, the closed position where the tire house is closed and the hull outer wall position where the tire house is opened, the cover is able to swing between two positions with respect to the tire house. It can be placed along the hull in both the closed and open states, and the cover itself can also be avoided from water resistance.

〔Example〕

The embodiment will be described with reference to the drawings. Reference numeral 1 denotes a boat-shaped boat body, and inside the boat body 1, three vertical partition walls 2, 3, 4 extending in the width direction allow the boat to be accessed from the bow side. Storehouse 5. The suspension section 61 is divided into an engine room 7 and a suspension section 6, and a seat room 8 is provided above the engine room 7. In addition, tire houses 9 are formed at each of the suspension parts 6, 6 on both sides of the hull 1, and each tire house 9 is equipped with a wheel 10 for running on land. Each wheel 10... is a suspension lifting device to be described later in each suspension section 6, 6! It is suspended by 11...

Suspension lifting device! 11 is a lower link 3 whose tip is pivotally connected to the wheel 10 and whose base is fixed to the torsion bar 12; and a lower link 3 whose lower part is fixed to the wheel 10 and whose upper part is a fixed plate 14.
The damper device 1 is connected to the damper device 1 via the rubber mount 15.
6, and an elevating link 20 which is pivotally mounted on a fixed plate 14 and driven by an air cylinder 17, which is an actuator, via a transmission link 18, 19.
A bellows 23 is in close contact between the two, and a bump rubber 24 is attached to the tip of the piston rod 22 inside the bellows 23. The bellows 23 and the air cylinder 17 are communicated with each other through a pipe 25, When the elevating link 20 is raised by the drive of
The air in the bellows 23 flows into the air cylinder 17, and the cylinder 21 comes into contact with the bump rubber 24 due to the urging force of the torsion bar 12, and the air cylinder 1
7, when the lift link 20 is lowered, the air in the air cylinder 17 flows into the bellows 23, the cylinder 21 is pressed, and the wheel 10 is further lowered. The lifting and lowering of the cylinder 21 of i16 is linked, and the lifting stroke of the wheel 10 is increased. Further, the fixing plate 14 is fixed to the lower base body 26 by a removable fixture 28 when the wheel 10 is in the lowered position, and can also be fixed to the upper base body 27 by the same means when the wheel 10 is in the raised position.

Therefore, a tire house cover 29 consisting of a bottom opening extending in the width direction and a side plate bent along both sides is disposed on the outer bottom of the hull l, and is arranged for each tire house 9. The side plates at both ends of the cover 29.29 are suspended on both sides via a main arm 30 and an auxiliary arm 31 so that each tire house cover 29.29 can swing freely at 9 degrees. 9 reciprocatingly swings from the open state to the closed state, and is driven by a rotating shaft 3 installed between both sides.
One end of each main arm 30.30 on both sides is fixed to 2,
In addition, due to the pivotal connection between the swing link 33 fixed to the rotation shaft 32 and the hydraulic cylinder 34 pivotally connected to the base body, the rotation shaft 32 is reciprocated by the hydraulic cylinder 34 via the swing link 33. When traveling on water, each tire house 9, 9 is closed by each tire house cover 29, 29 so as not to create resistance when traveling on water. Further, a spring 3 is provided between the hull 1 and the tire house cover 29 so as to provide a closing action to the tire house cover 29 in the closed state of the tire house cover 29.
6, the tire house cover 29 can be smoothly closed in cooperation with the closing action of the swing link 34.

Also, the one shown in FIG. 6 is another embodiment of the suspension type of the tire house cover 29, in which two auxiliary arms 31, 31
The main arm 30' has side plates suspended from both ends of the tire house cover 29 on both sides, whereas the main arm 30' is formed in an abbreviated shape, and its lower end extends inside the tire house cover 29. It is pivoted to the bottom, the other end is fixed to a support shaft 35 pivoted to the base, and the corner part is pivoted to the hydraulic cylinder 34 pivoted to the base, so that the hydraulic cylinder 34 directly swings the main arm 30', and in this type, the bottom plate of the tire house cover 29 can be prevented from loosening.

Furthermore, the embodiment shown in FIGS. 7 and 8 is another embodiment in which grooves 37 are provided along both sides of the bottom of the hull 1, and grooves 37 are also continuous to the tire house cover 29. A strip 38 is provided to prevent skidding when traveling on water, and the appearance is improved by providing an arm cover 39 on the outside of the arm 30, 31 that suspends the tire house cover 29. be able to.

Furthermore, the one shown in FIG. 9 is another embodiment in which a stepped portion 40 extending into the hull 1 is provided at the periphery of the opening of the tire house 9, so that the outside of the tire house cover 29 and the hull 1 are separated. The surface is continuous, which can further reduce water resistance when traveling on water, and by providing the seal body 41 around the inner peripheral edge of the tire house cover 29, the tire house cover 29 can be easily attached to the hull l. The buoyancy of the hull 1 can be increased by draining the water in the tire house 9 using a pump.

〔Effect of the invention〕

The present invention is configured as described above, and has wheels that are arranged in a tire house formed on the hull and can be raised and lowered by a suspension elevating device. In addition to having a cover suspended from a swing link driven by an actuator, by closing the tire house with the cover, not only the wheels but also the tire house can be avoided from water resistance. Moreover, the cover is configured to be swingable between two positions, the closed position where the tire house is closed and the hull outer wall position where it is opened, by means of a swing link.
The cover can be placed along the hull of the boat in either the opened or closed state relative to the tire house, and when running on water, the cover itself can be avoided from water resistance, which facilitates smooth running on water. It is something that can be done.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a side view of an amphibious vehicle when traveling on land, and FIG. 2 is a side view of the amphibious vehicle when traveling on water. Fig. 3 is a front view of the suspension elevating device when traveling on land, Fig. 4 is a front view of the suspension elevating device when traveling on water, Fig. 5 is a partial side view showing the closed state of the tire house cover, and Fig. 6 is a front view of the suspension elevating device when traveling on land. FIG. 7 is a partial side view of another embodiment showing the tire house cover in a closed state, FIG. 7 is a partial side view of still another embodiment, and FIG. 8 is a sectional view taken along the line A-A in FIG. FIG. 9 is a sectional partial front view of still another embodiment.

Claims (1)

[Claims] It has wheels that are arranged in a tire house formed on the hull and can be raised and lowered by a suspension lifting device, and a cover that is suspended from a swing link that is driven by an actuator, and the cover is in a closed state of the tire house. An amphibious vehicle configured to be able to swing between two positions, a closed position and an open hull outer wall position, by means of a swing link.