JP3897845B2 - Wing type vehicle with wing opening / closing assist mechanism - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wing type vehicle, and more particularly, to a wing type vehicle provided with a refrigeration / cooling mechanism.
[0002]
[Prior art]
As shown in FIG. 7, many conventional wing vehicles have a hydraulic cylinder 100 attached to the front and rear end packing box frame members as a release mechanism of the wing 1. Further, in a refrigeration / cooling vehicle equipped with a conventional wing 1, as shown in FIG. 8, one cold air outlet (evaporator) 13 is provided at the front of the cargo compartment.
[0003]
As shown in FIG. 7, a structure in which a wing release mechanism is arranged inside the packing box, such as in the packing box frame members at the front and rear ends, is disclosed in Japanese Utility Model Publication No. 55-51612, Japanese Utility Model Publication No. 57-195973, Japanese Utility Model Publication Nos. 58-6674, 58-61624, 58-188217, 59-126719, 61-171623, respectively. .
[0004]
[Problems to be solved by the invention]
However, since the conventional wing vehicle is opened and closed by a hydraulic cylinder or the like, the installation is complicated and the cost is high. Further, in the conventional wing type refrigeration / cooling vehicle, since the evaporator is further disposed in the cargo compartment, the load space for the load is further reduced. In addition, since an evaporator or the like becomes an obstacle when loading a load, there is a possibility that a hydraulic cylinder or the like and the loaded load may interfere with each other, and the load loading work efficiency is lowered.
[0005]
In view of the above circumstances, an object of the present invention is to provide a wing type vehicle in which a large luggage loading space is secured and interference with the luggage is prevented.
[0006]
[Means for Solving the Problems]
The present inventors attach an opening / closing assist mechanism of the wing to the outside of the cargo compartment (outside of the cargo box), or, in a refrigeration / cold storage vehicle, an evaporator that occupies a large volume in the cargo compartment. It has been found that the above-mentioned problems can be solved by accommodating the outside of the cargo room, and the present invention has been completed.
[0007]
In order to achieve the above object, the present invention provides a wing opening / closing assist mechanism pivotally supported by a cargo box and pivoting to open and close the cargo compartment, wherein the opening / closing assist mechanism includes the wing and the roof of the cargo box. A first arm attached to the outside of the part, one side connected to the outside of the wing , one side connected to the other side of the first arm and the other side pivoted to the outside of the cargo box And an elastic means that has one side connected to an intermediate portion of the second arm and the other side pivotally supported on the outside of the cargo box, and elastically deforms in response to the rotation of the wing. A wing opening / closing assist mechanism is provided.
[0008]
The present invention is a wing-type refrigeration / cooling vehicle provided with an opening / closing assist mechanism for the wing and an evaporator for blowing cold air to the cargo box, wherein the roof surface of the cargo box has a ceiling surface of the cargo compartment A beam disposed in a higher part and having a predetermined space inside, the evaporator is disposed in a predetermined space surrounded by the beam above the ceiling surface of the cargo compartment, and in the roof portion of the cargo box, Provided is a wing-type refrigeration / cooling vehicle characterized in that the wing opening / closing assist mechanism is arranged on a side portion of a step formed by a beam projecting from the roof portion.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0013]
[Embodiment 1]
FIG. 1 is a cross-sectional view showing a main part of a wing opening / closing assist mechanism according to an embodiment of the present invention. Referring to FIG. 1, a wing 1 is pivotally attached to a roof portion 5 of a cargo box by a hinge 1d and is operated to pivot in the direction of an arrow to open the cargo box. The release assist mechanism of the wing 1 is attached to the outside of the wing 1 and the roof portion 5 of the cargo box, the first arm 2 pivotally supported by the wing 1, the second arm 3 pivotally supported by the roof portion 5, and A coil spring (elastic means) 4 pivotally supported by the roof portion 5 is provided. One end of the first arm 2 is connected to a bearing 1 c fixed to the wing 1 by a pin 6, and the other end is connected to one end of the second arm 3 by a pin 7. The other end of the second arm 3 is pivotally attached to a bearing 5 a fixed to the roof portion 5 by a pin 9. One end of the coil spring 4 is connected to an intermediate portion (from a pivot point) of the second arm 3 by a pin 8, and the other end is pivotally supported by a bearing 5 b fixed to the roof portion 5 (from the bearing 5 a to the vehicle body center side). ing. The pivot point of the first arm 2, the pivot point of the second arm 3, and the connection point of the first and second arms 2, 3 are at the vertices of the triangle, and the first and second arms in the initial position The pivot point of the wing 1 is located below the second and third connecting points.
[0014]
Next, the operation of the wing opening / closing assist mechanism shown in FIG. 1 will be described. In the closed state of the wing 1 (indicated by a solid line), the wing 1 stably holds this closed state by its own weight. When the wing 1 is pivoted in the direction indicated by the arrow in the figure, the first and second arms 2 and 3 pivot so as to be folded, and the coil spring 4 rotates the second arm 3 clockwise in the figure. Therefore, the tensile force of the coil spring 4 acts as an auxiliary force that pivots the wing 1 in the opening direction. For this reason, it is possible to open the wing 1 with a relatively small operating force.
[0015]
According to the first embodiment, since the wing opening / closing assist mechanism is attached to the outside of the cargo box, the cargo compartment volume is enlarged and does not interfere with the cargo. Moreover, since it is comprised from an arm, a coil spring, etc., as a wing opening-and-closing assistance mechanism, compared with the thing which has arrange | positioned the hydraulic cylinder inside the cargo box, the luggage compartment volume is expanded and it is cheap. The wing opening / closing assist mechanism can be configured to use a compression spring instead of the tension spring as shown in FIG.
[0016]
[Embodiment 2 (Reference Example of Specific Arrangement Structure of Evaporator in Embodiment 3) ] Another embodiment of the present invention is a specific arrangement of an evaporator that blows out cold air in a vehicle having wings and having a freezing / cooling function. Concerning structure. FIG. 2 is a perspective view of a packing box for explaining an evaporator arrangement structure according to another embodiment of the present invention. FIG. 3 is a cross-sectional view of the main part of FIG.
[0017]
Referring to FIGS. 2 and 3, a center beam (loading box upper beam) 11 is provided in the front and rear direction of the vehicle in the longitudinal direction on the roof portion of the packing box that is mounted on the vehicle and whose interior is opened by pivoting the wing 1. It is passed from the packing box frame member) to the rear end (packing box frame member). The center beam 11 is a channel-shaped (U-shaped) beam, and is fixed to the cargo box roof portion so as not to protrude toward the cargo compartment side from the cargo compartment ceiling surface. Accordingly, the channel portion (groove portion) of the center beam 11 defines a predetermined space above the cargo room ceiling surface. The evaporator 13 is arranged in a space defined above the cargo compartment ceiling. For this reason, the evaporator 13 does not form any irregularities in the ceiling part of the luggage compartment, does not reduce the cargo compartment volume, and the evaporator 13 does not interfere with the load. The evaporator 13 is connected through a pipe to a compressor arranged outside the cargo box. However, by arranging the evaporator 13 inside the center beam 11, the pipe can also be provided outside the cargo room. Compared to the structure in which the evaporator is arranged in the room, the loading space of the luggage room is greatly expanded. A heat insulating layer 12 having a predetermined thickness is provided along the inner wall of the center beam 11.
[0018]
In addition, as shown in FIG. 2, by providing an inner wall 16 that divides the cargo room into the front and back to form a plurality of cargo chambers, when loading or unloading a cargo only in one cargo compartment, It is not necessary to open the wing 1 of the chamber, and the temperature change of the other cargo chamber is prevented. Further, even if a plurality of evaporators 13 are arranged in accordance with the number of cargo compartments, since the evaporator 13 is arranged in the center beam 11, the cargo compartment volume is not reduced, so that the loading capacity is secured. At the same time, a multi-function wing-type refrigeration / cooling vehicle capable of setting various temperatures for a plurality of cargo compartments is provided.
[0019]
[Embodiment 3]
In the third embodiment, the first and second embodiments are combined, and a part of the wing opening / closing assist mechanism is arranged in the bracket. In the following, since the same configurations as those of the first and second embodiments are as described above, differences from these will be described in detail. FIG. 4 is a cross-sectional view of a main part of a wing wheel according to Embodiment 3 of the present invention, and FIG. 5 is a perspective view. As shown in FIG. 5, the evaporator 13 is housed inside, and the cover 15 is fixed to the upper surface of the roof portion 5 of the cargo box in contact with the side surface (step surface) of the center beam 11 to which the heat insulating layer 12 is attached. A bracket (protector) 14 is attached to the upper surface of the roof portion 5 of the cargo box in contact with the side surface of the center beam 11 between the front and rear directions of the cover 15. The bracket 14 has an opening 14a that opens toward the side of the vehicle.
[0020]
Further, as shown in FIG. 4, a coil spring 4, bearings 5 a and 5 b and the like are accommodated in the bracket 14. Moreover, the opening part 14a is formed in the bracket 14, and the pivot of the 2nd arm 3 is accept | permitted by the opening part 14a. The operation of the wing opening / closing assist mechanism is as described in the first embodiment.
[0021]
According to the present embodiment, the bracket 14 that protects the wing opening / closing assist mechanism is disposed at the stepped portion formed by the center beam 11 protruding upward in the cargo box roof portion, and thereby the space generated by the specific structure of the center beam 11. In addition, by arranging the cover 15 on the side of the bracket 14 in the longitudinal direction of the vehicle, it is possible to completely eliminate the step at the top of the cargo box and prevent the roadside tree from being caught while the vehicle is running. The
[0022]
[Embodiment 4]
Embodiment 4 shows that Embodiments 1-3 are applied to various wing type vehicles. 6A to 6D are views for explaining a wing vehicle to which the embodiment of the present invention is applied, in which FIG. 6A is a normal wing type vehicle, and FIG. A wing-type vehicle having a plurality of cargo compartments (see FIG. 2); FIG. 3 is a diagram for explaining a wing type vehicle including a plurality of cargo compartments and a tilt.
[0023]
The wing opening / closing assist mechanism detailed in the first embodiment can be applied to each of these wing type vehicles. When there are a plurality of wings, or a predetermined number of wing opening / closing assist mechanisms are arranged according to the size of the wings. . Further, as described above, when there are a plurality of luggage compartments, it is preferable to arrange an evaporator in each. Furthermore, it is preferable to provide a center beam as in the second embodiment, and arrange an evaporator in the center beam to enlarge the volume of the cargo compartment (see FIG. 2), and accommodate and protect the wing opening / closing auxiliary mechanism as in the third embodiment. More preferably, a bracket and a cover are provided (see FIGS. 4 and 5).
[0024]
The present invention is not limited to the embodiment described above, and various modifications are made based on the principle of the present invention disclosed in the specification and the drawings. For example, the principle of the present invention is fixed to a fixed object other than a vehicle. For example, it can be applied to an opening / closing device of a warehouse.
[0025]
【The invention's effect】
As described above, according to the present invention, in the wing opening / closing assist mechanism and / or the refrigeration / cooling vehicle, the evaporator is provided outside the luggage compartment, so that the luggage loading space in the luggage compartment is expanded and interference with the luggage is prevented. Does not happen. In particular, according to the present invention , an inexpensive and simple structure wing opening / closing auxiliary mechanism is provided. In particular, according to the present invention , by providing a beam for accommodating the evaporator outside the cargo compartment, the cargo loading space in the cargo compartment is expanded by an inexpensive and simple structure, and interference with the cargo does not occur. Further , according to the present invention , the space is effectively utilized by arranging the bracket and the cover for accommodating and protecting the wing opening / closing auxiliary mechanism in the portion generated for accommodating the evaporator outside the cargo space, and the vehicle is running. The possibility that the roof of the packing box will be caught by street trees is reduced. Further, according to the present invention , even if a plurality of evaporators are arranged, the cargo space loading space does not decrease. Therefore, the evaporator is arranged in each of the plural cargo spaces, and is provided with freezing / cold storage chambers having different temperature settings, and loading A large amount of wing-type refrigeration and cold storage vehicles can be provided. The wing opening / closing assist mechanism and the evaporator housing structure of the present invention are applied to various wing type vehicles, for example, those equipped with a plurality of cargo compartments or a tilt, and have the above-described effects.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a main part of a wing opening / closing assist mechanism according to an embodiment of the present invention.
FIG. 2 is a perspective view of a packing box for explaining an evaporator arrangement structure according to another embodiment of the present invention.
3 is a cross-sectional view of a main part of FIG.
FIG. 4 is a cross-sectional view of a main part of a wing vehicle according to another embodiment of the present invention.
5 is a perspective view of essential parts of the wing wheel shown in FIG. 4. FIG.
FIGS. 6A to 6D are views for explaining a wing vehicle to which the embodiment of the present invention is applied, in which FIG. 6A is a normal wing type vehicle, and FIG. It is a figure for demonstrating each of the wing type vehicle provided with the chamber, (C) is the wing type vehicle provided with the tilt, and (D) is the wing type vehicle provided with the plurality of cargo compartments and the tilt.
FIG. 7 is a diagram for explaining a conventional wing vehicle in which a hydraulic cylinder is attached to the inside of a cargo box (inside a cargo box frame member) as a wing release mechanism.
FIG. 8 is a view for explaining a conventional wing-type refrigeration / cooling vehicle in which an evaporator is disposed in a cargo compartment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wing 2 1st arm 3 2nd arm 4 Elastic means (coil spring)
5 Roof 11 Center beam (upper beam)
13 Evaporator 14 Bracket 15 Cover

Claims (2)

A wing opening / closing assist mechanism that pivots on the cargo box and pivots to open and close the cargo compartment,
The opening / closing assist mechanism is attached to the outside of the roof of the wing and the packing box,
A first arm having one side connected to the outside of the wing; a second arm connected to the other side of the first arm; and a second arm pivotally supported outside the packing box; Wing opening / closing assistance, comprising: an elastic means coupled to an intermediate portion of the second arm, the other side being pivotally supported on the outer side of the cargo box, and elastically deforming in response to the rotation of the wing. mechanism. A wing-type refrigeration / cooling vehicle comprising: a wing opening / closing assist mechanism according to claim 1; and an evaporator for blowing cold air into a packing box,
The roof portion of the cargo box is disposed above the ceiling surface of the cargo compartment, and is provided with a beam having a predetermined space inside, and in the predetermined space surrounded by the beam above the ceiling surface of the cargo compartment. Place the evaporator,
The wing-type freezing / cold holding device according to claim 1, wherein the wing opening / closing auxiliary mechanism according to claim 1 is disposed on a side of a step formed by projecting the beam from the roof portion of the cargo box. vehicle.

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