JP2003327038A - Storage type baggage-receiving deck lifter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storage type baggage-receiving deck lifter capable of simply and certainly preventing rattling and jumping up of a folded baggage- receiving deck upon traveling while dispensing with troublesome operation by a tightening device. <P>SOLUTION: The baggage-receiving deck 5 lifting along a strut 3 between the lifted position substantially the same as a rear end of a floor surface of a loading box 2 and a ground is slidably supported, in a cantilever manner, in the forward/rearward direction of a car body so as to be stored below the loading box. A baggage-receiving member 52 at a tip end side can be forwardly folded against a baggage-receiving member 51 on a base end side. A press-in means for pressing-in the baggage-receiving member on a tip end side against the baggage-receiving member on the base end side below the baggage box at a storage position A where the baggage-receiving deck is forwardly slid/ moved and stored in the state that it is folded. Elastic contact means for elastically contacting the parts superposed when the baggage-receiving base is folded are provided at both right/left side ends of the baggage-receiving member on a tip end side. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retractable cargo cradle lifting device for raising and lowering a cargo cradle at a rear end of a cargo box, and more particularly, to prevent rattling and jumping up of a folded cargo cradle during traveling. Take measures.

[0002]

2. Description of the Related Art Conventionally, as a retractable loading platform lifting device,
Some are equipped with a cradle that is cantilevered so as to be slidable in the front-back direction of the vehicle so that it can be stored under the rear part of the carton.When working, pull out the cradle to the rear of the carton and place it in the working position. The loading and unloading of the luggage can be performed by moving up and down along the stanchions on the left and right sides of the rear end of the luggage box between the ascending position that is substantially flush with the floor of the luggage box and the ground. Has become. In this case, as the cargo receiving stand, in consideration of space in the front-rear direction of the vehicle body, a split type is widely used which is configured to be foldable in the front-rear direction via a hinge.

[0003]

However, when the load receiving base is stored in a folded state as in the above-mentioned conventional one, the tip end rattles or jumps up from the base end side due to vehicle vibration during traveling. It will be.

Therefore, it is possible to prevent the rattling and the jumping of the tip end side to the base end side due to the vibration of the vehicle body during traveling by using a fastening mechanism that fastens the tip end side to the base end side when the loading tray is stored. Conceivable.

However, in the case of using the above-mentioned lashing mechanism, it is necessary to perform the lashing operation and the lashing operation on the distal end side with respect to the base end side by the lashing mechanism when the loading tray is stored and used. Yes, the operation becomes very troublesome.

The present invention has been made in view of the above points, and an object of the present invention is to prevent rattling and jumping up when a folded load receiving platform is running, without performing a troublesome operation by a fastening device. In addition, it is an object of the present invention to provide a retractable cargo cradle lifting device that can be reliably prevented.

[0007]

In order to achieve the above-mentioned object, the solution means of the invention according to claim 1 is such that a slider is slid vertically in support columns provided upright on both sides of the rear end of a packing box. A retractable cargo receiver that is movably provided and is configured to move up and down along a column between an ascending position, which is substantially flush with the rear end of the floor of the cargo box, and the ground. Assuming a platform lifting device. Further, the load receiving table is slidably supported in the front-rear direction of the vehicle body so that it can be stored under the load box, and the tip end thereof can be folded forward with respect to the base side. Further, below the above-mentioned packing box, there is provided a pressing means for pressing the leading end against the base side when the loading tray is folded and slid forward and stored.

According to this specific matter, when the load receiving tray is slid forward and stored below the load box in the folded state, the tip end thereof is pressed by the pressing means to the base side. Therefore, it is possible to reliably prevent the tip end side from rattling or bouncing up with respect to the base end side due to vehicle body vibration during traveling. Moreover, if the loading tray is folded and slid forward and stored under the luggage box, the tip is pressed against the base side,
The lashing mechanism for lashing the tip end side to the base end side when storing the cargo cradle is unnecessary, and the troublesome lashing operation and lashing release operation of the lashing mechanism during storage and use of the cargo cradle are abolished. It is possible to easily perform the conversion operation between the time when the receiving tray is stored and the time when it is used.

Further, in the solution means devised by the invention according to claim 2, at least one of the tip end side and the base end side of the load receiving base is elastically brought into contact with each other when the load receiving base is folded. The elastic contact means is provided.

According to this particular matter, in the load receiving base, since the portions to be overlapped with each other when folded are elastically contacted by the elastic contact means, the tip end side and the base end side due to the vibration of the vehicle body during traveling. Direct contact with each other is avoided,
It is possible to effectively suppress the generation of abnormal noise such as rattling noise. Moreover, it is possible to elastically hold down the tip end against the base side during storage, and it is possible to more effectively prevent rattling and jumping up of the tip end side to the base end side due to vehicle vibration during traveling. Become.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a retractable loading platform elevating device.

The retractable loading platform elevating device 1 includes a loading box 2 for a vehicle.
A pair of left and right columns 3 standing upright at the rear end of the column, and sliders 4 inserted in the columns 3 so as to be vertically movable (see FIG. 2).
And the load receiving base 5 supported by the lower ends of the left and right sliders 4.
And a lift cylinder 7 connected to each slider 4 via a wire 6.

The column 3 is made of a hollow elongated body having a rectangular cross section, and a slider 4 is arranged inside the column 3. The slider 4 is provided with a plurality of lift rollers (not shown) at its upper end and in the middle thereof, and the lift rollers smoothly move up and down. Then, one ends of wires 6 are fixed to the upper ends of the left and right sliders 4, respectively. This wire 6
Is guided upward from the slider 4, folded back downward by the sheave 33 provided on the upper portion of the column 3, and guided downward at the front side, and then moved up and down from the lower portion of the column 3 through a sheave (not shown). It is guided to the cylinder 7, and the other end is appropriately fixed.

As shown in FIGS. 1 and 2, the elevating cylinder 7 is arranged in the front part of a cross member 8 arranged between the columns 3, and the elongating and lowering operation of the elevating cylinder 7 causes the elevating cylinder 7 to move as described above. The wire 6 arranged as described above is extended to the support column 3 or pulled in from the support column 3 to move the slider 4 up and down. Therefore, as described above, when the slider 4 is moved up and down by the lift cylinder 7, the load receiving table 5 connected to the slider 4 is moved.
Can be moved up and down between the ground and the floor of the packing box 2.

On the other hand, as shown in FIG. 2, a tail lamp 91 is arranged on the rear surface of the cross member 8. Specifically, the cross member 8 is divided into about a front and rear half by a partition wall 83 into a front housing portion 81 that houses the elevating cylinder 7 and a rear housing portion 82 that houses the tail lamp 91.

The rear accommodating portion 82 is an existing cross member 8
It is formed by notching the rear surface of the rear and partitioning it with the partition wall 83 from the front portion that houses the lifting cylinder 7.
As shown in, tail lamps 91 are arranged on both sides in the rear housing portion 82. In other words, the rear space in the cross member 8 which has been used but is not used in the past is effectively used. As a result, the tail lamp 91, which is conventionally provided below the cross member 8, is provided.
Of the tail lamp 9
The height position of 1 can be secured high. The partition wall 83 is not always necessary. If necessary, a reinforcing member or the like may be provided in the cross member 8 to divide the partition wall 8 into pieces.
The structure without 3 may be used.

The load receiving base 5 is provided with a front side base end side load receiving member 51 which is a front end side and a rear side front end side load receiving member 52 which is divided into two front and rear sides. The front end side load receiving member 52 is rotatably connected via a hinge 53, and the front end side load receiving member 5 is connected to the base end side load receiving member 5.
It is configured so that it is folded in two and stored on the upper surface of the unit 1.

As shown in FIG. 3, the base end side load receiving member 5 is provided.
Reference numeral 1 denotes a tip side load receiving member 52 and a load receiving main body portion 54 on which the load is placed, and support portions 55 provided on the left and right sides of the load receiving main body portion 54 and supported by the slider 4, both of which are provided. 54 and 55 are integrally connected.

As shown in FIG. 2, the support portion 55 has a guide groove 55a extending in the front-rear direction on the outer side surface thereof, while the bracket 41 extends from the lower end portion of each slider 4.
Is arranged so as to project to the rear of the support column 3, and the first guide roller 42 provided at the lower end of the bracket 41 is arranged so as to be rollable in the guide groove 55a. The bracket 41 is arranged so as to project rearward from the support column 3 by inserting a notch groove 32 formed in the rear surface 31 of the support column 3 in the vertical direction.

Further, a contact roller (not shown) provided at the lower end of the slider 4 is a work for sliding the load receiving base 5 backward from a storage position (see FIG. 2) which will be described later so as to project rearward. When it is placed in the position (see FIG. 1), it supports the base end portion of the support portion 55, so that the load receiving base 5 is held in a horizontal state in combination with the support from below by the first guide roller 42. I have to. At this time, the first
The guide roller 42 is arranged at the front end position of the guide groove 55a.

A second guide roller (not shown) is provided at the base end of the support 55. The second guide rollers are provided so as to be able to roll back and forth along a pair of left and right slide rails 21 provided below the rear portion of the luggage box 2. Through the second guide rollers, the load receiving table 5 is mounted on the slide rails 21. You can move smoothly along. The load receiving tray 5 configured as described above is stored in the storage position A shown in FIG.
And a diagram in which the tip side load receiving member 52, which is slid to the rear of the slide rail 21 and folded, is horizontally deployed on the extension of the base end side load receiving member 51 and is moved up and down between the ground and the floor surface of the load box 2. It can be arranged at the work position B shown in FIG.

A cover material C is continuously provided on the rear surface 31 of the pillar 3. The cover material C is the rear surface 3 of the pillar 3.
1 for covering the bracket 41 projecting rearward from 1 and having the same lateral width as the left and right lateral widths of the support column 3 and having a front-rear width approximately the same as the projecting length of the bracket 41. It is formed into a scale. That is, the cover material C is formed on the rear extension of each support pillar 3
It is arranged in an integrated form. On the rear surface of the cover material C, a notch groove C1 is formed to allow the bracket 41 to move up and down as the slider 4 moves up and down. In this way, by covering the inside of the bracket 41 projecting from the column 3 with the cover material C, the bracket 41 is protected from damage and the like, and the appearance of the entire apparatus is made to be neat and clean. .

As a characteristic part of the present invention, the packing box 2
At the storage position A where the load receiving tray 5 is slid forward and stored in the folded state of the load receiving base 5, a pressing means 10 for pressing the tip side load receiving member 52 toward the base side load receiving member 51 side (downward) is provided. Has been. The pressing means 10 extends in the front-rear direction at the roller 101 rotatably attached to the lower end of the inner side surface of the support column 3 and the outer surface substantially central position of the tip side load receiving member 52 of the load receiving base 5 in the front-rear direction.
And a guide rail 102 for rolling the roller 101 on the upper surface when sliding in the front-back direction. In this guide rail 102, an inclined surface portion 102a located on the front side and a horizontal surface portion 102b located on the rear side are continuously formed in a state where the front end side load receiving member 52 is folded and overlapped on the upper surface of the base end side load receiving member 51. Has been formed. Then, the roller 101 rolls on the inclined surface portion 102a and the horizontal surface portion 1
02b gradually approaches the base side load receiving member 51 side (downward) as it approaches 02b, and when the roller 101 reaches the horizontal plane portion 102b, the tip side load receiving member 52 is moved to the base side load receiving member 51 side. It is designed to press firmly against it.

Further, as shown in FIG. 4, the elastic contact means 11 (for elastically contacting the parts to be overlapped with each other when the load receiving base 5 is folded) is provided at both left and right ends of the tip side load receiving member 52. (Only one is shown in the figure). The elastic contact means 11 is made of elastic cushion rubber, and presses the front end side load receiving member 52 against the base side load receiving member 51 side by the roller 101 rolling on the guide rail 102 (the inclined surface portion 102a and the horizontal surface portion 102b). When loaded, the tip side load receiving member 52 and the base side load receiving member 5
Mutual contact with 1 is made elastically.

Therefore, in the present embodiment, the cargo receiving tray 5
When the distal side load receiving member 52 is folded with respect to the base side load receiving member 51 and is slid forward to the storage position A below the load box 2 and stored, the roller 101 at the lower end of the inner surface of the support column 3 is moved to the front side. The tip side load receiving member 52 is gradually pushed toward the base side load receiving member 51 side (downward) as it rolls on the inclined surface portion 102a extending in the front-rear direction at the substantially central position on the outer side surface of the load receiving member 52 and approaches the horizontal plane portion 102b. Rarely, when the roller 101 reaches the horizontal plane portion 102b, the tip side load receiving member 52 is firmly pressed against the base side load receiving member 51 side. For this reason, it is possible to reliably prevent the front end side load receiving member 52 from rattling or bouncing up with respect to the base side load receiving member 51 due to vehicle body vibration during traveling.

Moreover, when the load receiving table 5 is folded and stored by sliding it forward to the storage position A below the load box 2, the tip side load receiving member 52 is moved by the pressing means 10 (the roller 101 and the guide rail 102). By being pressed into the base-side load-receiving member 51, a securing mechanism for securing the distal-side load-receiving member 52 to the base-side load-receiving member 51 when storing the load-receiving base 5 is not required, and when the load-receiving base 5 is stored and used. The troublesome lashing operation and lashing release operation of the lashing mechanism at time are abolished, and the conversion operation between the time of storage of the load receiving tray 5 and the time of use can be easily performed.

Further, elastic contact means 11 made of cushion rubber for elastically contacting the portions to be overlapped when the load receiving base 5 is folded is provided at both left and right ends of the tip side load receiving member 52. Therefore, direct contact between the front end side load receiving member 52 and the base side load receiving member 51 due to vibration of the vehicle body during traveling is avoided, and generation of abnormal noise such as rattling noise can be effectively suppressed.

Further, when the loading tray 5 is stored, the holding means 1 is held.
By 0, elastic pushing can be performed when the front end side load receiving member 52 is pressed down toward the base side load receiving member 51 side, and the front side load receiving member 52 rattles or jumps up due to the vibration of the vehicle body during traveling. Can be more effectively prevented, which is very advantageous in implementation.

The present invention is not limited to the above embodiment, but includes various other modifications. For example, in the above-described embodiment, the elastic contact means 11 made of cushion rubber is provided at both left and right ends of the tip end side load receiving member 52. However, the base end side load receiving member of the load receiving base, or the tip end side load receiving member and the base end side load receiving member. Both of them may be provided with elastic contact means for elastically contacting the portions to be overlapped with each other when the load receiving tray is folded. Further, the elastic contact means is not limited to the cushion rubber,
It goes without saying that elastic contact means such as a compression spring may be used.

Further, in the above embodiment, the description has been given of the case where the load receiving tray 5 is manually slid between the storage position A and the working position B. However, a slide cylinder is provided in the front-rear direction between the load receiving tray and the vehicle body side. Alternatively, the load receiving base may be slid by the expansion and contraction operation of the slide cylinder. In addition to the slide cylinder, an appropriate actuator such as a motor may be used to slide the load receiver.

Further, in the above-mentioned embodiment, the case where the load receiving tray 5 is constructed in a two-fold structure has been described.
It is not limited to folding in three, and may be configured to be folded in three or more.

[0033]

As described above, according to the retractable load receiving / descending / descending device of the invention according to the first aspect, when the load receiving base is folded and slid forward to be stored, the tip end is located at the base side. By providing a pressing means for pressing against,
It is possible to reliably prevent rattling and bouncing of the tip end side to the base end side due to vehicle body vibration during traveling. In addition, if the load receiving tray is folded and stored by sliding it forward under the load box, the tip can be pressed against the base side, and when the load receiving tray is stored, the tip side can be moved toward the base side. By eliminating the lashing mechanism for lashing and eliminating the troublesome lashing operation and lashing operation, it is possible to easily perform the conversion operation between the time when the cradle is stored and the time when it is used.

Further, according to the retractable load receiving / descending / descending device of the present invention according to claim 2, by providing the elastic contact means for elastically contacting the portions to be overlapped with each other when the load receiving base is folded, traveling It is possible to avoid direct contact between the front end side and the base end side due to vibration of the vehicle body at this time, and effectively suppress the generation of abnormal noise such as rattling noise. Moreover,
It is possible to elastically press down the tip end against the base side during storage, and it is possible to more effectively prevent rattling or jumping up of the tip end side to the base end side due to vehicle body vibration during traveling.

[Brief description of drawings]

FIG. 1 is a perspective view showing a retractable cargo cradle lifting device according to an embodiment of the present invention.

FIG. 2 is a side view in which a part of the retractable cargo cradle lifting device arranged at a storage position is cut away.

FIG. 3 is a rear view of the left side portion of the retractable cargo cradle lifting device arranged at the retracted position, as viewed from the rear of the vehicle body.

FIG. 4 is a plan view of the left side portion of the load receiving table arranged at the working position, as viewed from above.

[Explanation of symbols]

1 Retractable cargo platform lifting device 2 packing boxes 3 props 4 slider 5 receiving platform 51 Base end side load receiving member (base) 52 Tip side load receiving member (tip) 10 Holding means 11 Elastic contact means

Claims (2)

[Claims] 1. A slider is provided slidably in the up and down direction in stanchions provided upright on both sides of the rear end of the luggage box, and a load carrier provided at the lower end of the slider serves as the rear end of the floor surface of the luggage box. A retractable load receiving platform elevating device for moving up and down along a strut between an ascending position that is substantially flush with the ground, wherein the load receiving platform is located in the front and rear of the vehicle body so that it can be stored under the load box. The cantilever is slidably supported in the direction, and the tip of the can is foldable forward with respect to the base side. A retractable loading / descending / descending / descending device which is provided with a pressing means for pressing the front end toward the base side when stored. 2. The retractable cargo cradle lifting device according to claim 1, wherein at least one of a tip end side and a base end side of the cargo cradle is elastically provided with portions that are overlapped with each other when the cargo cradle is folded. Retractable load receiving / descending / descending device, characterized in that elastic contact means for mechanically contacting is provided.