JP3294970B2 - Vehicle collapse prevention device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing luggage loaded on a carton of a vehicle from collapsing due to sudden start, sudden stop, sudden turn of the vehicle, and the like. More specifically, a package suitable for the case where the box carrier has doors on the side and back surfaces thereof and the baggage is a beverage bottle, a beverage can, or the like, in particular, the bottle or can contained in a case, a cardboard box, or the like. The present invention relates to a collapse prevention device.

[0002]

2. Description of the Related Art Conventionally, as a method for preventing this kind of cargo collapse,
There is known a method of tying a luggage loaded on a box carrier with a rope or the like. However, in the method of binding the above-mentioned luggage with a rope, it is necessary to remove the rope when lowering a part of the luggage from the carton, and to bind the luggage remaining in the carton again after lowering a part of the luggage, There was a problem with poor workability.

In order to solve this problem, there is disclosed an automobile luggage holding device in which at least four corners of an extendable and retractable net are mounted in a luggage compartment by mounting means (Japanese Utility Model Application Laid-Open No. Heisei 2).
-71039). The mounting means includes a hook-shaped locking member mounted on a seat surface in a luggage compartment of a vehicle, a pair of small-diameter locking rings formed at the corners of the net and locked by the locking member, and a pair of large locking rings. The small-diameter locking ring and the large-diameter locking ring are formed to be stretchable. In the luggage holding device configured as described above, after the luggage is loaded in the luggage compartment with the small-diameter locking ring previously locked to the locking device, the luggage is covered with the net and the large-diameter locking is performed. It is sufficient to lock the ring with the locking device, and even if the car suddenly starts, the luggage will rattle,
It does not collapse.

[0004]

However, in the above-mentioned conventional vehicle luggage holding device, the small-diameter locking ring and the large-diameter locking ring are each related to a locking tool attached to a predetermined luggage compartment seating surface. As a result, the tension of the net and the locking ring changes depending on the size and height of the luggage loaded in the luggage compartment, and there is a problem in that the pressing force of the luggage against the luggage compartment seat surface by the net changes. As a result, when a small luggage is covered with the net, the luggage cannot be securely pressed against the luggage compartment seating surface with the net, and the luggage may rattle or collapse due to a sudden start of the vehicle. there were. SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for preventing collapse of a load on a vehicle, which can securely fix a load loaded on a pallet by a relatively simple operation even if its size or height changes.

[0005]

The invention according to claim 1 is
A conveyor 16 that is disposed on the floor 12a of the box carrier 12 of the vehicle 10 in the vehicle traveling direction and is capable of moving a pallet 21 loaded with loads 22, and is configured to be able to protrude and retract from the conveyor 16 so that the pallet can protrude from the conveyor 16 Stopper 17 that can fix 21 at a predetermined position on conveyor 16
A telescoping net 18 provided in a substantially horizontal plane above a pallet 21 fixed at a predetermined position, and extending vertically on both sides of the box carrier 12 at predetermined intervals in the vehicle traveling direction. Guide rails 19 provided
And a plurality of locked portions 19a, 19b, 19c formed at predetermined intervals in the vertical direction on the guide rail 19 and capable of selectively locking the edges of the net 18 for preventing collapse of the vehicle load. Device. According to the first aspect of the present invention, as shown in FIG.
9b, 19c to selectively lock the net 18
Extends to cover the top and side surfaces of the load 22 on the pallet 21, and the load 22
, The load 22 is securely fixed even if the size or height of the load 22 on the pallet 21 changes.
Even if 0 is suddenly started, suddenly stopped, suddenly turned, etc., the baggage 22 does not collapse.

According to a second aspect of the present invention, as shown in FIG. 5, a conveyor is provided extending on the floor of a box carrier of a vehicle in the traveling direction of a vehicle and is capable of moving a pallet loaded with loads, and is capable of moving out and in from the conveyor. And projecting from the conveyor 16
A stopper capable of fixing the pallet at a predetermined position on the conveyor at times, and a stretchable net 78 provided in a substantially horizontal plane above the pallet fixed at the predetermined position,
A plurality of guide rails 60 provided on both sides of the box carrier at predetermined intervals in the vehicle traveling direction and extending in the vertical direction.
70, and a net 7 provided in the guide rails 60, 70.
8 is a vehicle load collapsing prevention device including a net elevating means 61 capable of elevating and lowering an edge of the vehicle. In the invention according to claim 2,
When the net lifting / lowering means 61 descends the edge of the net 78, the net 78 extends to cover the upper surface and the side surface of the load on the pallet, and the load is pressed against the pallet by the tension of the net 78, so that the vehicle starts suddenly. Even if the vehicle suddenly stops or turns suddenly, the luggage does not collapse.

The conveyor according to the first and second aspects of the present invention may be a wheel conveyor, a roller conveyor, a belt conveyor, or another conveyor.
The conveyor may be either a manual or automatic conveyor. Further, as the stopper according to the first and second aspects of the present invention, either an automatic stopper or a manual stopper may be used. Examples of the automatic stopper include a stopper driven by a rotary actuator or a linear actuator using electromagnetic force or fluid pressure. Claims 1 and 2
It is preferable to provide a side door and a rear door on both sides and the back of the box carrier of the invention according to the invention, respectively, as a side door, a sliding type or a flip-up type door, and as a rear door, a flip-up type or double door type door. Is mentioned. Further, as the luggage loaded on the pallet according to the first and second aspects of the present invention, a case accommodating a large number of beverage bottles, beverage cans, and the like, a rectangular parallelepiped cardboard box, and the like can be considered. The plurality of locked portions of the invention according to claim 1 are formed in two or three or more according to the length of the guide rail.

Further, as the net lifting means according to the second aspect of the present invention, an upper rotating member and a lower rotating member rotatably attached to an upper portion and a lower portion in a guide rail, respectively, and are bridged over these rotating members. An endless transmission member,
One having an electric motor for driving any of the rotating members is conceivable. The rotating member includes a V pulley, a toothed pulley, a sprocket, and the like, and the endless transmission member includes a V belt, a toothed belt, a chain, and the like.
It is preferable to use a stepping motor or a servo motor as the electric motor. In addition, the net can be automatically raised and lowered according to the opening and closing of the side door. That is, the controller may control the electric motor based on a detection output of a sensor that detects the opening and closing of the door, a sensor that detects the elevation position of the net, and the like. Further, as the above-mentioned net lifting / lowering means, a means having a fluid pressure cylinder inserted in the guide rail in the longitudinal direction and configured to attach an edge of the net to a piston of this cylinder may be used, or the guide rail may be used. A ball screw screw rod rotatably inserted in the longitudinal direction thereof, a nut rotatably and vertically liftably fitted into the screw rod via a steel ball, and an electric motor for driving the screw rod. Alternatively, a nut configured to attach the edge of the net to the nut may be used.

[0009]

Next, a first embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 4, a box carrier 12 is provided behind the cab 11 of the truck 10, and a side door 13 and a rear door 14 are provided on both side surfaces and a rear surface of the box carrier 12. The side door 13 is a sliding door, and the rear door 14 is a flip-up door. Four side doors 13 are arranged on both sides of the box carrier 12, respectively (FIGS. 2 and 4). A conveyer 16 disposed on the floor 12a of the box carrier 12 so as to extend in the track traveling direction;
Stopper 17 configured to be able to protrude and retract from conveyor 16
A stretchable net 18 extending in a substantially horizontal plane above a pallet 21 fixed at a predetermined position, and extending in a vertical direction at predetermined intervals in the track traveling direction on both sides of the box carrier 12. And a plurality of locked portions 19a, 19b, 19c formed on the guide rail 19 at predetermined intervals in the vertical direction.
And

[0010] The conveyor 16 is a wheel conveyor,
A pair of holding portions 16a, 16a fixed in parallel to each other on the floor 12a, a plurality of shafts 16b spanned between the holding portions 16a, 16a, and rotatable at predetermined intervals between the shafts 16b. (See FIGS. 1 and 3). A pallet 21 on which a load 22 is loaded is movable on the conveyor 16, and the load 22 is a case or a cardboard box (not shown) accommodating a large number of beverage bottles or beverage cans. Further, the box carrier 12 has a size capable of loading four pallets 21, and each pallet 21 is fixed by the stopper 17 at a position facing each of the four closed side doors 13 (FIG. 1 and FIG. 1). (Fig. 2). The stopper 17 is a pin holding portion 1 fixed on the floor 12a.
7a, and a pin main body 17b rotatably attached to the pin holding portion 17a. The pin main body 17b is configured to be able to be manually rotated between a storage position extending substantially horizontally and immersed in the conveyor 16 and a projecting position extending substantially vertically and projecting above the conveyor 16.

The nets 18 are respectively provided above the four pallets 21 fixed at predetermined positions by the stoppers 17, and are formed of rubber in a substantially rectangular shape slightly larger than the pallets 21 (FIG. 2). A pair of bars 23, 23 are attached to both side edges of the net 18, and flanges 23a are fixed to both ends of the bars 23, 23 (FIGS. 2 and 3). The guide rail 19 is formed in a channel shape, and is disposed along inner surfaces of both side edges of the closed side door 13. That is, the interval between the plurality of guide rails 19 is substantially the same as the width of the side door 13 (FIG. 2). The locked portions 19a, 19b, and 19c are respectively formed on the upper portion, the center portion, and the lower portion of the guide rail 19, and three of the locked portions 19a, 19b, and 19c are provided on the bar 23.
Are configured to be lockable (FIG. 1). A tension coil spring 2 is provided between substantially the center of the net 18 and the roof panel 12b of the box carrier 12 to urge the net 18 to be pulled up.
4 are interposed. Reference numeral 26 denotes a holding plate that extends and is fixed to substantially the center of the net 18 in the track traveling direction, and the lower end of the tension coil spring 24 is locked to the holding plate 26 (FIGS. 1 and 2). Reference numeral 27 denotes a platform for facilitating loading and unloading of the pallet 21 from the box carrier 12.
Is a conveying means disposed on the platform 27 (FIG. 3).

A method of using the vehicle collapse prevention device configured as described above will be described. When the pallet 21 loaded with the load 22 is loaded on the box carrier 12, the bars 23, 23 attached to both side edges of the net 18 are covered by the upper portions of the guide rails 19, 19 as shown by the two-dot chain lines in FIG. Locking part 1
9a and 19a, make sure that the rear door 1
4 is lifted, the truck 10 is moved backward, and the conveyor 16 of the box carrier 12 is transported by the transport means 2 of the platform 27.
8 (FIG. 3). At this time, since the height of the conveyor 16 and the height of the conveying means 28 are substantially the same, the pallets 21 can be easily loaded from the platform 27 to the box carrier 12.

Since the pallet 21 loaded on the box carrier 12 is easily moved and unstable, the pallet 21 is moved to a predetermined position, the pin body 17b is rotated to the projecting position, and the pallet 21 is moved to the predetermined position. (FIGS. 1 and 2). Further, since the load 22 loaded on the pallet 21 is slippery and unstable, the bars 23, 23 are removed from the locked portions 19a, 19a on the upper portions of the guide rails 19, as shown by the solid lines in FIG. The guide rails 19, 19 are locked to the locked portions 19c, 19c below. As a result, the net 18 is extended, and the upper surface and side surfaces of the load 22 on the pallet 21 are covered with the net 18, and the load 22 is pressed against the pallet 21 by the tension of the net 18. Luggage 22 even when stopping or turning suddenly
Does not collapse. When unloading a part of the luggage 22 loaded on the box carrier 12 at a retail store or a vending machine,
It is only necessary to open the side door 13 and remove the bar 23 from the locked portion 19c below the guide rail 19, and the bar 23
The baggage 22 remaining on the box carrier 12 can be fixed only by locking the baggage 22 to the locked portion 19c. Further, a locked portion 19 for locking the bar 23 according to the height of the load 22 on the pallet 21
a, 19b and 19c can be selected, so that
Can be fixed.

FIG. 5 shows a second embodiment of the present invention.
The pair of guide rails 60 and 70 disposed along the inner surfaces of both side edges of the side door (not shown) are formed in a rectangular tube shape. In these guide rails 60 and 70, a net 78 is provided.
Is provided with a net elevating means 61 capable of elevating and lowering the edge of the net.
The net lifting / lowering means 61 is provided between an upper pulley 62 and a lower pulley 63 rotatably attached to an upper part and a lower part in one of the pair of guide rails 60, 70, and is bridged between these pulleys 62, 63. A belt 64, an upper pulley 72 rotatably attached to an upper part of the other guide rail 70 of the pair of guide rails 60 and 70, a lower pulley 73 provided at a lower part of the other guide rail 70, and Pulley 7
And a lower pulley 73
And an electric motor 66 having an output shaft 66a inserted therein. The upper pulleys 62 and 72 are connected by a connecting shaft 67. The pulleys 62, 63, 72, and 73 are toothed pulleys, the belts 64 and 74 are toothed belts, and the electric motor 66 is a stepping motor.

The net 7 of the pair of guide rails 60, 70
Elongated holes 60a, 70a are respectively formed on the surface facing the surface 8, and the elongated holes 60a, 70a,
A pair of stays 65, 75 protruding from the guide rails 60, 70 to the outside of the guide rails 60, 70 are respectively fixed. A bar 83 attached to one end of the net 78 is attached to the protruding ends of these stays 65 and 75. Although not shown, a bar attached to the other end of the net 78 opposes the pair of guide rails 60 and 70 and a pair of opposite guides configured substantially similarly to the guide rails 60 and 70. Attached to the projecting ends of a pair of stays projecting from the long holes of the rails, each pulley in the pair of opposite guide rails is driven by the electric motor 66 via a pulley and a belt. A switch (not shown) for turning on and off the electric motor 66 is provided. The method of using the thus structured load collapse prevention device is substantially the same as that of the first embodiment except that the elevation of the net 78 is automatically performed by turning on and off a switch (not shown). Therefore, description of repetition is omitted.

[0016]

As described above, according to the present invention, a conveyor capable of moving a pallet is arranged on the floor of a box carrier, and a stopper which comes and goes from the conveyor fixes the pallet on the conveyor. A plurality of guide rails extending vertically on both sides of the box carrier are provided on a plurality of guide rails provided on the both sides of the box carrier, and the edges of the net can be selectively locked on the pallet. Since the locked portion is formed, the net is extended by selectively locking the edge of the net to the plurality of locked portions to cover the upper surface and the side surface of the load on the pallet, and the load of the load is increased by the tension of the net. Is pressed against the pallet. As a result, even if the size or height of the loads loaded on the pallet changes, these loads can be fixed reliably and by a relatively simple operation. Also, even if a net elevating means capable of elevating the edge of the net is provided in the guide rail, the net elongates by the net elevating means descending the edge of the net, and the net extends to cover the upper surface and side surfaces of the load on the pallet, Since the load is pressed against the pallet by the tension of the net, the same effect as described above can be obtained.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along the line AA of FIG. 2, illustrating a vehicle collapse prevention device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line BB of FIG. 4;

FIG. 3 is an essential part longitudinal cross-sectional view of the vehicle, showing a state where a pallet loaded with luggage is loaded on a box carrier;

FIG. 4 is a side view of the vehicle.

FIG. 5 is a perspective view of a main part including a net elevating unit according to a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 truck (vehicle) 12 box carrier 12a floor 16 conveyor 17 stopper 18,78 net 19,60,70 guide rail 19a, 19b, 19c locked part 21 pallet 22 luggage 61 net elevating means

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60P 7/04

Claims (2)

(57) [Claims] 1. A conveyor (16) which is provided on a floor (12a) of a box carrier (12) of a vehicle (10) and extends in the vehicle traveling direction and is capable of moving a pallet (21) loaded with loads (22). When the conveyor is configured to be retractable from said conveyor (16)
When the pallet (21) projects from the conveyor (1)
6) a stopper (17) that can be fixed at a predetermined position on the upper side, and a stretchable net (18) that is provided in a substantially horizontal plane above the pallet (21) that is fixed at the predetermined position, A plurality of guide rails (19) provided on both sides of the box carrier (12) at predetermined intervals in the vehicle traveling direction and extending in the vertical direction, and a predetermined interval in the vertical direction on the guide rails (19). A plurality of locked portions (19a, 19b, 19c) formed so that the edges of the net (18) can be selectively locked, and the edge of the net (18) is Locked part (19a, 19b, 1
9c), the net (18) extends to cover the upper and side surfaces of the load (22) on the pallet (21), and the load (22) is tensioned by the net (18). Is configured to be capable of being pressed against the pallet (21). 2. A conveyor which is arranged on a floor of a box carrier of a vehicle and extends in the vehicle traveling direction and is capable of moving a pallet loaded with loads, and the conveyor (16) which is configured to be able to protrude and retract from the conveyor.
A stopper capable of fixing the pallet at a predetermined position on the conveyor when projecting from the pallet; and an extendable net (78) provided in a substantially horizontal plane above the pallet fixed at the predetermined position. A plurality of guide rails (6) provided on both sides of the box carrier at predetermined intervals in the vehicle traveling direction and extending in the vertical direction.
0,70) and the net (78) provided in the guide rail (60,70).
Net elevating means (61) capable of elevating the edge of the net (78), and the net (78) is extended by the net elevating means (61) descending the edge of the net (78) so that the net (78) extends on the pallet. A load collapse prevention device for a vehicle, wherein the load is covered by the tension of the net (78) so as to cover the top and side surfaces of the load.