JP6865634B2 - Vehicle with loading platform - Google Patents

Description

The present invention relates to a vehicle with a loading platform provided with left and right side gates and a loading platform having a tailgate that can swing between an ascending closed posture and a descending open posture.

In the above-mentioned vehicle with a loading platform, the loading platform is extended above the tailgate in the downward opening posture to extend the loading platform space, and the storage is retracted inside the loading platform and stored above the floor of the loading platform. Some are equipped with a loading platform extension member that can switch between states. In this vehicle with a loading platform, the loading platform can be expanded from the normal state in which the tailgate is in the rising and closing posture by setting the tailgate in the downward opening posture and switching the loading platform extension member to the loading platform extension state.

As a vehicle with a loading platform of this type, there is a vehicle conventionally disclosed in, for example, Patent Document 1. In the one shown in Patent Document 1, a bed extender as a loading platform extension member is provided. The bed extender is axially supported by the left and right side gates at the fulcrum, and by reversing 180 degrees with the fulcrum as the center of rotation, it can be placed on the tailgate in the downward opening posture and can be deployed for extension of the loading platform. Alternatively, it is placed on the loading platform and put into a storage state.

Japanese Patent No. 6050872

When the conventional technology is adopted, the loading platform extension member is supported only at one place of the loading platform. Therefore, the loading platform extension member that has been retracted to the inside of the loading platform and is in the stored state is specified depending on the supporting location inside the loading platform. It will be located only in the part of. Therefore, depending on the length or size of the load to be loaded on the loading platform, the loaded carrier extension member in the retracted state becomes an obstacle, the end of the load is placed on the loading platform extension member, and the load is in an inclined posture. Alternatively, one end of the load may hit the loading platform extension member and the other end may protrude from the loading platform, making it difficult to load the load.

The present invention provides a vehicle with a loading platform that makes it easy to store the loading platform extension member in a state that does not hinder the loading of luggage.

The vehicle with a loading platform according to the present invention
A loading platform with left and right side gates and a tailgate that can swing between the ascending closed posture and the descending open posture.
There are two states: a loading platform extension state in which the tailgate is extended above the tailgate in the downward opening posture to extend the loading platform space, and a stowed state in which the loading platform is retracted inside the loading platform and stored above the floor portion of the loading platform. The loading platform extension member that can switch the state and
The left and right side gates are provided with a pair of left and right support portions that can be slid back and forth and fixed at the adjustment position.
The loading platform extension member is swingably supported on the pair of left and right supporting portions by using a connecting shaft core extending in the lateral width direction of the loading platform as a swinging fulcrum between the loading platform extension state and the retracted state.
The side gate includes a guide rail portion extending in the front-rear direction of the loading platform.
The support portion includes a first mounting member that is slidably attached to the upper portion of the guide rail portion, a second mounting member that is slidably attached to the lower portion of the guide rail portion, the first mounting member, and the above. It is equipped with a connecting screw that connects to the second mounting member.
The connecting screw is rotatably supported by the first mounting member and the second mounting member, and the first mounting member and the second mounting member are tightened to the guide rail portion, and the first mounting member and the first mounting member and the said. The guide rail portion is sandwiched between the second mounting member, and the tightening state in which the support portion is fixed to the side gate and the tightening of the first mounting member and the second mounting member to the guide rail portion are weakened. Rotational operation is possible over a tightening release state that allows the first mounting member and the second mounting member to slide and the support portion to slide with respect to the side gate.

According to this configuration, the fixed position of the support portion at the left and right side gates can be changed in the front-rear direction of the side gates. Therefore, when the loading platform extension member is stored and the luggage is loaded, depending on the length and size of the luggage, The support point of the loading platform extension member in the loading platform is changed in the front-rear direction of the loading platform according to the length and size of the luggage, and the stored loading platform extension member is positioned in the portion of the loading platform that does not interfere with the loading of the luggage. be able to.

Therefore, in the case where the loading platform extension member is provided so as to be able to switch between the loading platform extension state and the retracted state, the loading platform extension member can be easily stored so as not to interfere with the loading of the load.
With this configuration, Ru can be fixed the support portion to the side gate at the structure simple fixing structure make the means tightening the connecting screw.

In the present invention, as the retracted state, a first retracted state in which the loading platform extension member is laid down above the floor portion and a second retracted state in which the loading platform extension member stands upright with respect to the floor portion are set. It is preferable to have.

According to this configuration, when the loading platform extension member is stored in the second stored state, the loading platform extension member stands up against the floor portion, so that the floor portion can be widely used as compared with the case where the loading platform extension member is stored in the first stored state.

In the present invention, the loading platform extension member is erected on a pair of left and right supporting portions, and an intermediate portion in the left-right direction extends between a plurality of bar portions extending in the lateral width direction of the loading platform, and between the intermediate portions. It is preferable that the intermediate portions of the plurality of bar portions are lined up in the front-rear direction of the loading platform when the loading platform extension member is in the second retracted state with the formed gap.

According to this configuration, the loading platform extension member is stored in the second retracted state, and the long object is inserted into the gap to be supported by the floor portion, so that the portion located above the floor portion of the long object is the bar portion. Since the long object is supported while standing on the floor, it can be loaded on the loading platform with the long object upright.

It is a left side view which shows the whole of the utility beagle in the expanded state of a loading platform. It is a top view which shows the loading platform in the expanded state of the loading platform. It is a left side view which shows the loading platform in the state where the loading platform extension member is switched to the second retracted state. It is a top view which shows the loading platform in the state where the loading platform extension member is switched to the 2nd retracted state. It is a top view which shows the loading platform in the state where the loading platform extension member is switched to the 1st retracted state. It is a top view which shows the loading platform in the state where the loading platform extension member is switched to the 1st retracted state. It is a top view which shows the loading platform in the state where the loading platform extension member is switched to the 1st retracted state. It is a top view which shows the right support part. FIG. 8 is a cross-sectional view taken along the line IX-IX of FIG. It is a vertical sectional front view which shows the right support part.

Hereinafter, a case where the embodiment of the present invention is applied to a utility beagle (multipurpose vehicle) which is an example of a vehicle with a loading platform will be described with reference to the drawings.

FIG. 1 is a left side view showing the entire utility beagle. The direction [F] shown in FIG. 1 is the front direction of the traveling vehicle body 1, the direction [B] is the rear direction of the traveling vehicle body 1, the direction on the front side of the paper is the left direction of the traveling vehicle body 1, and the direction on the back side of the paper surface is the traveling vehicle body 1. Is defined as the right direction of.

[Overall configuration of utility beagle]
The utility beagle includes a traveling vehicle body 1 equipped with a pair of left and right front wheels 2 that can be driven and steered, and a pair of left and right rear wheels 3 that can be driven. A driving unit 4 is formed at the front portion of the traveling vehicle body 1. The driver unit 4 is provided with a driver's seat 5 and a steering wheel 6 for steering and operating the front wheels 2. A loading platform 7 is provided at the rear of the traveling vehicle body 1. A prime mover 8 is formed below the loading platform 7. The driving unit 8 is provided with an engine 9 or the like that transmits power to the front wheels 2 and the rear wheels 3.

[Structure of loading platform 7]
As shown in FIGS. 1 and 2, the loading platform 7 includes a floor portion 10, a front gate 11, left and right side gates 12, a tailgate 13, and a loading platform extension member 20.

As shown in FIGS. 1 and 3, a gate support portion 14 is formed in the lower portion on the rear end side of the loading platform 7.
The tailgate 13 is supported by the gate support portion 14 via a support shaft 15, and can be rocked in an ascending closed posture and a descending open posture with the shaft core P extending in the lateral width direction of the loading platform of the support shaft 15 as a swinging fulcrum. Is supported by.

As shown in FIG. 3, a locking mechanism 16 is provided across the tailgate 13 and the side gate 12. When the tailgate 13 is switched to the raised closed posture, the tailgate 13 is held in the raised closed posture by the lock mechanism 16 by switching the lock mechanism 16 to the operating state. A hanging wire 17 (see FIG. 1) is connected across the tailgate 13 and the side gate 12. When the tailgate 13 is switched to the downward open posture, the hanging wire 17 is in a stretched state, and the tailgate 13 is suspended and supported by the hanging wire 17 in the downward open posture.

As shown in FIGS. 2, 3 and 4, the loading platform extension member 20 has three bar portions 21 and a bar supporting portion 22 in which both ends of the three bar portions 21 in the lateral width direction of the loading platform are connected. I have. Each bar portion 21 is connected to the left and right end side portions 21a connected to the left and right bar support portions 22 and to the end portion of the left and right end side portions 21a opposite to the bar support portion side. An intermediate portion 21b is provided. The left and right end side portions 21a extend in a direction along the side gate 12. The intermediate portion 21b extends in the lateral width direction of the loading platform 7. A gap S is formed between the intermediate portions 21b of the three bar portions 21. The intermediate portion 21b of the three bar portions 21 is connected by a connecting member 23 at a portion near the end side portion. In the present embodiment, each bar portion 21 is made of a round pipe material, but as a member constituting the bar portion 21, a square pipe material, a solid member, an angle material, or the like can be adopted.

As shown in FIG. 2, support portions 30 are provided on the left and right side gates 12. The left bar support portion 22 of the loading platform extension member 20 is supported by the left support portion 30, the right bar supporting portion 22 of the loading platform extension member 20 is supported by the right support portion 30, and the loading platform extension members 20 are paired left and right. It is erected on the support portion 30 of the above.

FIG. 8 is a plan view showing the right support portion 30. FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. FIG. 10 is a vertical sectional front view showing the right support portion 30. Since the left support portion 30 has the same configuration as that of the right support portion 30, the left support portion 30 is not shown.

As shown in FIGS. 8, 9 and 10, the left and right support portions 30 (hereinafter, simply referred to as support portions 30).
) Includes a first mounting member 31, a second mounting member 32, and two connecting screws 33.

As shown in FIGS. 3 and 10, the side gate 12 is provided with a guide rail portion 12a extending in the front-rear direction of the loading platform 7. In the present embodiment, the guide rail portion 12a is composed of the upper edge portion of the side gate 12. As shown in FIGS. 8 and 10, the first mounting member 31 is arranged inside the side gate 12. An abutting portion 31a located above the guide rail portion 12a is provided on the upper portion of the first mounting member 31.

As shown in FIGS. 8 and 10, the second mounting member 32 is arranged outside the side gate 12. A contact portion 32a located below the guide rail portion 12a is provided below the second mounting member 32. A screw support portion 32b located above the abutting portion 31a of the first mounting member 31 is provided above the second mounting member 32.

The two connecting screws 33 are arranged side by side in the front-rear direction of the side gate 12, and are rotatably mounted over the screw support portion 32b of the second mounting member 32 and the abutting portion 31a of the first mounting member 31. There is. The screw portion 33a of each connecting screw 33 is engaged with the screw hole forming portion 34 in the abutting portion 31a. A lock screw member 35 and a flange portion 36 are provided at a portion of each connecting screw 33 located between the abutting portion 31a and the screw supporting portion 32b. The lock screw member 35 is tightened to the screw hole forming portion 34 to fix the connecting screw 33 at the adjusting position and prevent the connecting screw 33 from loosening. The flange portion 36 is abutted against the screw support portion 32b by rotating the connecting screw 33 to the fixed side, and transmits the operating force of the connecting screw 33 to the second mounting member 32.

In the support portion 30, the first mounting member 31 and the second mounting member 32 are connected by a connecting screw 33, so that the mounting portion 31a of the first mounting member 31 and the mounting portion 32a of the second mounting member 32 are connected. It is attached to the side gate 12 in a state of being attached so as to sandwich the guide rail portion 12a.

By rotating the two connecting screws 33 to the tightening side, the abutting portion 31a is pushed down by the screw portion 33a, and the screw supporting portion 32b is pushed up by the flange portion 36. As a result, the abutting portion 31a is tightened to the upper part of the guide rail portion 12a via the cushion material 37, and the abutting portion 32a is tightened to the lower part of the guide rail portion 12a via the cushion material 38, so that the first mounting member The guide rail portion 12a is strongly sandwiched between the 31 and the second mounting member 32. The support portion 30 is fixed to the side gate 12 by this holding force.

By rotating the two connecting screws 33 to the tightening release side, the abutting portion 31a is pulled up by the threaded portion 33a to loosen the tightening of the abutting portion 31a to the guide rail portion 12a, and the screw by the flange portion 36. The push-up of the support portion 32b is released, and the tightening of the abutting portion 32a with respect to the guide rail portion 12a is loosened. As a result, the guide rail portion 12a is loosely sandwiched between the first mounting member 31 and the second mounting member 32, and the first mounting member 31 and the second mounting member 32 can slide with respect to the side gate 12 to support the guide rail portion 12a. The portion 30 is guided by the guide rail portion 12a and can be slid and adjusted in the front-rear direction of the loading platform 7.

As shown in FIGS. 8, 9 and 10, a connecting portion 22a is provided on one end side of the bar support portion 22 of the loading platform extension member 20 in the lateral width direction of the loading platform. The connecting portion 22a is supported by the first mounting member 31 via the connecting shaft 24, and the loading platform extension member 20 is supported by the supporting portion 30 via the connecting shaft 24. The loading platform extension member 20 can be swung with respect to the support portion 30 by using the connecting shaft core X extending in the lateral width direction of the loading platform of the connecting shaft 24 as a swinging fulcrum.

As shown in FIGS. 1 and 2, the tailgate 13 is switched to the downward opening posture. When the left and right support portions 30 are slidable by rotating the two connecting screws 33 of the left and right support portions 30 to the fixing release side, the left and right support portions 30 are aligned with the guide rail portion 12a to the side. Slide adjustment to the portion of the gate 12 near the rear end. When the slide adjustment is completed, the two connecting screws 33 of the left and right support portions 30 are rotated to the fixing side to fix the left and right support portions 30 to the adjustment position. When the left and right support portions 30 can be fixed, the loading platform extension member 20 is swung to the rear side of the loading platform with respect to the left and right support portions 30 so as to project above the tailgate 13. Then, the loading platform extension member 20 is in the loading platform extension state. In this case, by operating the left and right lock mechanisms 40 (see FIG. 8), the loading platform extension member 20 can be fixed to the loading platform extension state by the locking mechanism 40.

When the loading platform extension member 20 is in the loading platform extension state, the tailgate 13 is in a state in which the floor portion 10 is extended rearward, and both lateral sides and the rear side of the tailgate 13 are surrounded by the loading platform extension member 20. The loading platform space is extended rearward by the tailgate 13 and the loading platform extension member 20, and the loading platform 7 can be expanded so that luggage can be loaded over the floor portion 10 and the tailgate 13.

As shown in FIG. 5, in a state where the left and right support portions 30 are fixed to the side gate 12 in the adjusted position when the loading platform extension member 20 is in the loading platform extension state, the loading platform extension member 20 is attached to the left and right support portions 30. On the other hand, it is swung toward the front side of the loading platform to lie down above the floor portion 10. Alternatively, as shown in FIG. 6, the left and right support portions 30 are slide-adjusted to a position on the front side of the loading platform from the adjusting position when the loading platform extension member 20 is in the loading platform extension state, and fixed at this adjustment position. In, the loading platform extension member 20 is swung toward the front side of the loading platform with respect to the left and right support portions 30, and is laid down above the floor portion 10. Alternatively, as shown in FIG. 7, the left and right support portions 30 are slide-adjusted to a position on the front side of the loading platform from the adjusting position when the loading platform extension member 20 is in the loading platform extension state, and fixed at this adjustment position. In, the loading platform extension member 20 is swung toward the rear side of the loading platform with respect to the left and right support portions 30, and is laid down above the floor portion 10. In either case, the loading platform extension member 20 is in the first retracted state, and the loading platform extension member 20 can be retracted inside the loading platform 7 and stored in a retracted posture along the floor portion 10. In either case, the loading platform extension member 20 can be fixed to the first retracted state by operating the left and right lock mechanisms 40.

As shown in FIGS. 5, 6 and 7, by changing the fixed positions of the left and right support portions 30, the support portion of the loading platform extension member 20 in the loading platform 7 can be changed in the front-rear direction of the loading platform 7, and the loading platform extension member 20 can be changed. The storage position in the first storage state can be changed in the front-rear direction of the loading platform 7.

As shown in FIGS. 3 and 4, the loading platform extension member 20 is raised and rocked with respect to the left and right support portions 30 to stand up against the floor portion 10. Then, the loading platform extension member 20 is in the second retracted state, and the loading platform extension member 20 is retracted inside the loading platform 7 and stored in a retracted posture in which the tip end side of the loading platform extension member 20 projects upward from the side gate 12. it can. Also in this case, the loading platform extension member 20 can be fixed to the second retracted state by operating the left and right lock mechanisms 40.

As shown in FIGS. 3 and 4, when the loading platform extension member 20 is stored in the second retracted state, the intermediate portions 21b of the three bar portions 21 are lined up in the front-rear direction of the loading platform 7, and long objects are placed between the intermediate portions 21b. By inserting it into the gap S between the spaces from above, the portion located above the floor portion 10 of the long object is supported by the intermediate portion 21b of the bar portion 21, and the long object stands on the floor portion 10. , Long objects can be loaded upright on the loading platform 7.

[Structure of lock mechanism 40]
As shown in FIGS. 8 and 10, the lock mechanism 40 includes a spring case 41, a lock pin 42, and a lock spring 43.

The spring case 41 is fixed to the bar support portion 22. The lock pin 42 is slidably supported by the case wall portion 41a and the connecting portion 22a of the spring case 41. The lock pin 42 is provided with an operation arm 44. The tip end side of the operation arm 44 projects to the outside of the spring case 41 through a guide hole 45 formed in the spring case 41. The lock spring 43 is fitted onto the lock pin 42 in a state of being sandwiched between the operation arm 44 and the case wall portion 41a. The lock pin 42 is slide-urged by a lock spring 43 so that the tip end side faces the first mounting member 31.

The lock mechanism 40 is in the first locked state when the tip end side of the lock pin 42 is inserted into the first pin hole 46 (see FIG. 9) of the first mounting member 31 by the lock spring 43, and the loading platform extension member 20 is brought into the first locked state. Fix the loading platform in the extended state. The lock mechanism 40 also enters the first locked state when the loading platform extension member 20 swings to the rear side of the loading platform with respect to the support portion 30, and the loading platform extension member 20 is in the first retracted state. Fix to.

The lock mechanism 40 is put into the second locked state by inserting the tip side of the lock pin 42 into the second pin hole 47 (see FIG. 9) of the first mounting member 31 by the lock spring 43, and the loading platform extension member 20 is brought into the second locked state. It is fixed in the second stored state.

The lock mechanism 40 is brought into a third locked state when the tip end side of the lock pin 42 is inserted into the third pin hole 48 (see FIG. 9) of the first mounting member 31 by the lock spring 43, and the loading platform extension member 20 is moved. It is fixed in the first retracted state that swings toward the front side of the loading platform with respect to the support portion 30.

In the lock mechanism 40, the operation arm 44 is slid to the end of the guide hole 45 on the side opposite to the first mounting member 31 side against the lock spring 43, so that the tip side of the lock pin 42 is first. It comes out of the pin hole 46, the second pin hole 47, and the third pin hole 48, and is in the unlocked state. By locking the operation arm 44 to the locking portion 45a (see FIG. 10) communicating with the guide hole 45, the locking mechanism 40 can be maintained in the unlocked state.

[Another Embodiment]
(1) In the above-described embodiment, an example in which the loading platform extension member 20 is configured to be storable in the first stored state and the second stored state is shown, but either the first stored state or the second stored state is stored. It may be configured to store only the state.

(2) In the above-described embodiment, the example in which the loading platform extension member 20 is composed of three bar portions 21 is shown, but it may be composed of two or less or four or more bar portions 21. Further, the bar portion 21 and the plate member may be combined and configured. Further, it may be composed of only plate members.

(3) In the above-described embodiment, an example is shown in which the connecting screw 33 for connecting the first mounting member 31 and the second mounting member 32 is used as the fixing means. It may be carried out by adopting a dedicated connecting screw. Further, a configuration that does not require a connecting screw may be adopted, and a connecting screw dedicated to fixing may be adopted.

The present invention can be applied to various vehicles with a loading platform such as a carrier, a pickup truck, and the like, in addition to the utility beagle.

7 Loading platform 10 Floor 12 Side gate 12a Guide rail 13 Tailgate 21 Bar 21b Intermediate 30 Support 31 1st mounting member 32 2nd mounting member 33 Connecting screw S gap X Connecting shaft core

Claims (3)

A loading platform with left and right side gates and a tailgate that can swing between the ascending closed posture and the descending open posture.
There are two states: a loading platform extension state in which the tailgate is extended above the tailgate in the downward opening posture to extend the loading platform space, and a stowed state in which the loading platform is retracted inside the loading platform and stored above the floor portion of the loading platform. The loading platform extension member that can switch the state and
The left and right side gates are provided with a pair of left and right support portions that can be slid back and forth and fixed at the adjustment position.
The loading platform extension member is swingably supported on the pair of left and right supporting portions by using a connecting shaft core extending in the lateral width direction of the loading platform as a swinging fulcrum between the loading platform extension state and the retracted state.
The side gate includes a guide rail portion extending in the front-rear direction of the loading platform.
The support portion includes a first mounting member that is slidably attached to the upper portion of the guide rail portion, a second mounting member that is slidably attached to the lower portion of the guide rail portion, the first mounting member, and the above. It is equipped with a connecting screw that connects to the second mounting member.
The connecting screw is rotatably supported by the first mounting member and the second mounting member.
The first mounting member and the second mounting member are tightened to the guide rail portion, the guide rail portion is sandwiched between the first mounting member and the second mounting member, and the support portion is fixed to the side gate. The tightening state and the tightening of the first mounting member and the second mounting member to the guide rail portion are weakened to allow the first mounting member and the second mounting member to slide, and the side gate of the support portion. A vehicle with a carrier that can be rotated and operated over a de-tightened state that allows it to slide against. As the storage conditions, the loading platform the first and storage state the extension member is laid down above the floor, the loading platform extension member claims and a second storage standing state is set to the floor 1 bed with a vehicle according to. The loading platform extension member is erected on a pair of left and right support portions, and a plurality of bar portions whose intermediate portions in the left-right direction extend in the lateral width direction of the loading platform and a gap formed between the intermediate portions are formed. Prepare,
The vehicle with a loading platform according to claim 2, wherein when the loading platform extension member is brought into the second retracted state, the intermediate portions of the plurality of bar portions are arranged in the front-rear direction of the loading platform.

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