JPH08175391A - Cart - Google Patents

Abstract

PURPOSE: To prevent cargo from moving or falling so as to enable transporting the cargo safely and to allow a cart to endure long-range use by preventing deflection of fastening rods and to prevent coil springs from damaging the cargo by providing the coil springs between the bottom surface of a platform and a locked plate. CONSTITUTION: This cart is provided with a platform 1 having a plurality of wheels 4 and with a top board 6 that can be placed on the top surface of the uppermost cargo 7 loaded on the platform 1; fastening rods 11 for fastening the platform 1 and the top board 6 together are freely removably and vertically movably provided; a locked plate 16 that freely rises and falls is provided on the bottom surface of the platform 1; upper locks 12 that are freely locked to and unlocked from the side ends of the top board 6 are provided at the upper ends of the fastening rods 11; lower locks 13 that are freely locked to and unlocked from the locked plate 16 are provided at the lower ends of the fastening rods 11; and coil springs 21 for pressing the locked plate 16 downward are provided between the bottom surface of the platform 1 and the locked plate 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carriage used when, for example, a plurality of box-shaped loads are stacked and carried.

[0002]

2. Description of the Related Art Conventionally, for example, a carrier truck of this type is disclosed in Japanese Utility Model Laid-Open No. 5-56728.
That is, a loading platform having a plurality of wheels and an upper frame that can be placed on the upper surface of the uppermost load loaded on the loading platform are provided, and the loading platform and the upper frame are provided on the loading platform side. It is connected by a belt and a string provided on the upper frame.
A length adjusting metal fitting is connected to the belt, a hooking belt is connected to the cord, and a hooking piece that can be hooked in the hooking groove of the length adjusting metal fitting is attached to the hooking belt. There is.
Further, the belt is attached to the luggage carrier via a belt winder.

According to this, the belt is pulled out from the belt winder, and the hooking piece is hooked in the hooking groove of the length adjusting metal fitting. Then, by pulling the front end portion of the belt downward and tightening the load, the load is pressed toward the loading platform through the upper frame, and thus is sandwiched between the loading platform and the upper frame and held on the loading platform.

[0004]

However, in the above-mentioned conventional type, since the belt and the cord are easily bent, the load is easily displaced in the horizontal direction or collapsed. Further, the belt or the cord may be cut off after a short period of use while the belt or the cord slides on the load or is tightened too much. Further, since the belt is attached to the luggage carrier via the belt winder, the structure is complicated and expensive.
Also, when handling the upper frame alone, the string becomes an obstacle. Further, when transporting a load for keeping cold, cold air escapes from the upper frame, and thus the cold keeping property is poor.

The present invention solves the above-mentioned problems, and can withstand long-term use, does not easily collapse and can carry a load securely, has a simple structure, canopies can be easily handled, and can be kept cool. The purpose of the present invention is to provide a carriage having good properties.

[0006]

In order to solve the above problems, a carrier truck according to the first aspect of the present invention is provided with a plurality of wheels on a lower surface of a loading platform and is mounted on an upper surface of an uppermost load loaded on the loading platform. A canopy capable of being provided, a fastening rod for fastening the loading platform and the canopy is detachably and vertically movable, and an upper engaging body which is detachable at a side end of the canopy is provided at an upper end of the fastening rod. An urging tool for pressing the fastening rod downward is provided on the loading platform side.

In the carrier truck according to the second aspect of the present invention, a vertically movable member to be engaged is provided on the lower surface side of the loading platform, and the lower end of the fastening rod is
A lower engaging body that is detachable is provided on the engaged body, and a biasing member is provided between the lower surface of the bed and the engaged body.

In the carrier vehicle according to the third aspect of the present invention, a plurality of wheels are provided on the lower surface of the loading platform, and a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided to fasten the loading platform and the canopy. A fastening rod that is detachably and vertically movable is provided, an upper engaging body that is engageable and disengageable with a side end of the canopy is provided at an upper end of the fastening rod, and a biasing member that pushes the fastening rod downward is provided. A pipe material is used for the fastening rod, and an upper end portion of the pipe material is pressed flat and bent in the lateral direction to form the upper engaging body.

In the carrier vehicle according to the fourth aspect of the present invention, a plurality of wheels are provided on the lower surface of the loading platform, a canopy capable of being placed on the upper surface of the uppermost load loaded on the loading platform is provided, and the loading platform and the canopy are fastened. A detachable fastening rod is provided, and the fastening rod is formed to be vertically foldable.

In the carrier vehicle according to the fifth aspect of the present invention, a plurality of wheels are provided on the lower surface of the loading platform, and a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided to fasten the loading platform and the canopy. A fastening rod to be attached and detached is provided, and the upper end of this fastening rod is
In addition to providing a disengageable upper engaging body at the side end of the canopy, at the lower end of the fastening rod, a disengageable lower engaging body is provided on the cargo bed side, and a biasing member for pressing the upper engaging body downward is provided, A plurality of upper and lower engaging bodies, at least one of the upper engaging body and the lower engaging body, are provided vertically, and the upper engaging body and the lower engaging body are formed in a horizontal plate shape projecting in the same direction. The remaining engaging bodies excluding the united body and the lower engaging body are provided such that their directions can be changed.

In the carrier truck according to the sixth aspect of the present invention, the remaining engaging bodies except the upper and lower engaging bodies at the upper and lower ends are provided between the engaging direction and the direction along the load loaded on the bed. It can be rotated freely.

In the carrier vehicle according to the seventh aspect of the present invention, a plurality of wheels are provided on the lower surface of the loading platform, a canopy capable of being placed on the upper surface of the uppermost load loaded on the loading platform is provided, and the loading platform and the canopy are fastened. A fastening rod whose length can be adjusted is detachably and vertically movable, and an upper engaging body that is engageable and disengageable with the side end of the canopy is provided at the upper end of the fastening rod, and the fastening rod is pressed downward. It is provided with a brace.

In the carrier vehicle according to the eighth aspect of the present invention, a plurality of wheels are provided on the lower surface of a cargo table on which a plurality of cold insulation containers accommodating loads can be placed, and an upper surface of the uppermost cold insulation container loaded on the cargo bed. A canopy that can be placed on the canopy is provided, and a fastening rod that fastens the loading platform and the canopy is detachably and vertically movable, and an upper engaging body that is detachably attached to the side end of the canopy is provided at the upper end of the fastening rod. An urging member for pressing the fastening rod downward is provided on the loading platform side, and a cold insulator is provided on the canopy.

[0014]

According to the structure of the first aspect of the present invention, after the load is stacked on the loading platform, the canopy is placed on the upper surface of the uppermost load, and the upper engaging body is engaged with the canopy to attach the fastening rod. Since the attached fastening rod is pressed downward by the biasing member, the upper engaging body presses the canopy downwards accordingly, so that the load is held between the luggage carrier and the canopy and held on the luggage carrier. It

Since the fastening rod is used to fasten the loading platform and the canopy in this manner, it is not easily bent as compared with the case where a conventional belt or string is used, and therefore the load is displaced in the horizontal direction. Load collapse is less likely to occur and the load can be transported safely. Further, the fastening rod is not easily cut as compared with the conventional belts and cords, and thus can be used for a long period of time. Further, since the fastening rod can be detached from the luggage carrier and the canopy separately, it is not necessary to wind the belt with the belt winder as in the conventional case. Therefore, the structure of the carriage can be simplified, and the fastening rod does not interfere when handling the canopy. Further, since the biasing device is provided on the side of the loading platform, not on the side of the fastening rod, the weight of the fastening rod is reduced and the handling of the fastening rod is facilitated.

According to the second aspect of the present invention described above, after the load is stacked on the loading platform, the canopy is placed on the upper surface of the uppermost load, the lower engaging body is engaged with the engaged body, and the upper engaging body is attached. Attach the fastening rod by engaging the canopy. The attached fastening rod is
Since it is pressed downward by the urging tool via the lower engaging body and the engaged body, the upper engaging body presses the canopy downwards accordingly, so that the load is sandwiched between the luggage carrier and the canopy. Be held on the cargo bed.

Further, since the biasing tool is provided between the lower surface of the loading platform and the engaged body, the biasing tool does not come into contact with the load on the loading platform. Therefore, it is possible to prevent a problem that the load is damaged by the biasing device.

According to the structure of the third aspect of the present invention, after the load is stacked on the loading platform, the canopy is placed on the upper surface of the uppermost load, and the upper engaging body is engaged with the canopy to attach the fastening rod. Since the attached fastening rod is pressed downward by the biasing member, the upper engaging body presses the canopy downwards accordingly, so that the load is held between the luggage carrier and the canopy and held on the luggage carrier. It

Further, since the upper end of the pipe material is pressed flat and bent laterally to form the upper engaging body, troublesome work such as welding is omitted, and the upper engaging body is easily formed on the fastening rod. You can

According to the structure of the fourth aspect of the present invention, the storage space for the fastening rod can be shortened by removing the fastening rod and folding it. According to the configuration of the present fifth invention, after stacking a plurality of loads on the loading platform, the canopy is placed on the upper surface of the uppermost load, the lower engaging body is engaged with the loading platform side, and the upper engaging body is mounted on the canopy. Engage and install the fastening rod. At this time, since the upper engagement body is pressed downward by the biasing tool, the load is sandwiched between the loading platform and the canopy and held on the loading platform.

Further, depending on the total height of the loads stacked on the loading platform, it is possible to select and use the upper engaging body and the lower engaging body having the optimum vertical spacing from the plurality of engaging bodies. At this time, by changing the orientations of the engaging bodies existing between the upper engaging bodies and the lower engaging bodies to be used with respect to the orientations of the upper engaging bodies and the lower engaging bodies to be used, the unused engaging bodies are loaded. It does not interfere with and can therefore be fitted with a fastening rod. As a result, the load can be transported according to the size of the load and the increase or decrease in the number of loads.

According to the structure of the sixth aspect of the present invention, the unused engaging body is rotated and directed in the direction along the load on the loading platform so that the unused engaging body does not interfere with the load or the operator.

According to the seventh aspect of the present invention, after the load is stacked on the loading platform, the canopy is placed on the upper surface of the uppermost load, and the upper engaging body is engaged with the canopy to attach the fastening rod. Since the attached fastening rod is pressed downward by the biasing member, the upper engaging body presses the canopy downwards accordingly, so that the load is held between the luggage carrier and the canopy and held on the luggage carrier. It

Further, by adjusting the length of the fastening rods according to the total height of the loads stacked on the loading platform, the loads can be securely sandwiched between the loading platform and the canopy in response to the increase or decrease in the number of loads. You can

According to the structure of the eighth aspect of the present invention, after stacking a plurality of cold insulation containers containing loads on the bed, the canopy is placed on the upper surface of the uppermost cold insulation container, and the upper engaging member is attached to the canopy. Engage and install the fastening rod. As a result, the cold insulating container is sandwiched between the luggage carrier and the canopy and held on the luggage carrier. At this time, the load is held in the cold storage container on the cargo bed, and the canopy is provided with the cold insulator, so that cold air can be prevented from escaping from the canopy, and the cold insulation property is improved.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 3, the luggage carrier 1 is composed of a bottom frame 2 in which angle members are connected in a rectangular frame shape, and a cross member 3 connected between the insides of the bottom frame 2. Caster wheels 4 are attached to the four corners of the lower surface of the loading platform 1. Further, as shown in FIG. 4, the canopy 6 can be placed on the upper surface of the uppermost load 7 loaded on the loading platform 1,
The top plate 8 is in the form of a square flat plate, and the top frame 9 is in the form of a square frame and is attached around the top plate 8. The top frame 9 is formed by connecting four angle members.

As shown in FIGS. 1, 2 and 4, the luggage carrier 1 and the canopy 6 are fastened together by a pair of left and right fastening rods 11 (an example of a fastening rod). A round pipe material is used for these fastening rods 11, a flat plate-like upper engaging body 12 is provided at the upper end of the fastening rod 11, and the upper engaging body 12 is provided at the lower end of the fastening rod 11. Flat plate-like lower engaging body protruding in the same direction as
13 are provided. A downward upper folded portion 14 is formed at the tip of the upper engaging body 12, and an upward lower folded portion 15 is formed at the tip of the lower engaging body 13. As shown in FIGS. 6 and 7, the upper engaging body 12 and the lower engaging body 13 are formed by pressing both ends of the fastening rod 11 into a flat shape and bending it in the lateral direction. As shown in FIGS. 1 and 2, the upper engaging body 12 is engageable with and disengageable from the side end of the canopy 6 from above, and the lower engaging body 13 is an engaged plate 16 ( It can be engaged and disengaged from below with respect to the engaged body).

That is, as shown in FIGS. 4 and 5, a pair of left and right contact plates 18 are attached to the lower surface of the bottom frame 2 of the luggage carrier 1, and pins 19 are vertically provided at both ends of these contact plates 18. Both ends of the engaged plate 16 are vertically movably fitted to a pair of front and rear pins 19. In addition, at the lower end of each pin 19,
An enlarged head portion 20 is formed so that the engaged plate 16 is held without falling off from the pin 19. Also,
A plurality of compression coil springs 21 (an example of a biasing member) that press the fastening rod 11 downward are inserted between the contact plate 18 and the engaged plate 16. The compression coil springs 21 are fitted on the pins 19, respectively.

The operation of the above structure will be described below. As shown in FIGS. 1 and 2, after stacking a plurality of loads 7 on the loading platform 1, the canopy 6 is placed on the upper surface of the uppermost load 7. Then, as shown in FIG. 5, the lower engaging body 13 is engaged with the engaged plate 16 from below, and the fastening rod 11 is lifted against the urging force of the compression coil spring 21. As shown in FIG. The united body 12 is engaged with the left and right ends of the canopy 6 from above. The fastening rods 11 thus mounted on the left and right sides
Is pressed downward by the compression coil spring 21 via the lower engaging body 13 and the engaged plate 16, and accordingly, the upper engaging body 12 presses the canopy 6 downward, so that the load 7 It is sandwiched between the luggage carrier 1 and the canopy 6 and held on the luggage carrier 1.

Since the fastening rod 11 is used to fasten the loading platform 1 and the canopy 6 in this way, it is not easily bent as compared with the case where a conventional belt or string is used, and thus the load 7 is leveled. The deviation of the direction and the collapse of the load are less likely to occur, and the load 7 can be transported safely. Further, the fastening rod 11 is not easily cut as compared with a conventional belt or string, and therefore can be used for a long period of time. Further, as shown by the phantom line in FIG. 2, since the fastening rod 11 can be detached from the loading platform 1 and the canopy 6 separately, it is not necessary to wind the belt with a belt winder as in the conventional case. Therefore, the structure of the trolley can be simplified, and the fastening rod 11 does not get in the way when the canopy 6 is handled alone.

Further, as shown in FIG. 8, a plurality of loading platforms 1
The storage space can be reduced because the products can be stacked vertically and stored. At this time, since all the caster wheels 4 of the upper loading platform 1 fit inside the bottom frame 2 of the lower loading platform 1, the upper loading platform 1 is fixed to the lower loading platform 1 side, and thus the stacked loading platforms 1 are mounted. The risk of accidentally moving and falling down is prevented.

Further, as shown in FIG. 4, a compression coil spring
Since 21 is provided not between the fastening rods 11 but between the lower surface of the luggage carrier 1 and the engaged plate 16, the fastening rods 11 are light in weight and the fastening rods 11 are easy to handle. In addition, compression coil spring
The load 21 does not come into contact with the load 7 on the loading platform 1, and therefore, it is possible to prevent a problem that the outer surface of the load 7 is damaged by the compression coil spring 21.

Further, as shown in FIGS. 6 and 7, both ends of one round pipe material are pressed flat and bent laterally to form an upper engaging body 12 and a lower engaging body 13. Therefore, troublesome work such as welding can be omitted, and the upper engagement body 12 and the lower engagement body 13 can be easily formed on the fastening rod 11.

In the above embodiment, as shown in FIG. 4, the compression coil spring 21, which is an example of the urging device, is provided on the loading platform 1 side, but it is provided on the canopy 6 side or the fastening rod 11 side and the upper engaging body 12 is provided. It may be a type of pressing downward. Further, as another example of the biasing device, a tension coil spring may be used to pull the upper engaging body 12 downward.

The second embodiment of the present invention will be described below with reference to FIG. A concave cutout groove 25 is formed inside the center portion of the engaged plate 16, and the cutout groove 25 is formed so that the lower folded portion 15 of the lower engagement body 13 can be inserted and removed. According to this, when the lower engaging body 13 is engaged with the central portion of the engaged plate 16, the lower folded portion 15 is inserted into the cutout groove 25, so that the position of the lower engaging body 13 is fixed. As a result, it is possible to prevent the positions of the fastening rods 11 attached to the left and right sides from being displaced.

In the first and second embodiments, two compression coil springs 21 are provided at the front and rear, but one compression coil spring 21 is used in the third embodiment described below. That is, as shown in FIG. 10, one end of the engaged plate 16 is fitted on the pin 19 so as to be vertically movable. The other end of the engaged plate 16 is attached to a bracket 29 provided on the lower surface of the contact plate 18 via a horizontal shaft 28. This allows the engaged plate
Reference numeral 16 is provided so as to be vertically rotatable about a horizontal axis 28 as a fulcrum.

According to this, when the fastening rods 11 are attached to the left and right sides, the engaged plate 16 tries to rotate downward with the horizontal shaft 28 as a fulcrum by the urging force of the compression coil spring 21, so that both fastening rods 11 are , The lower engagement body 13 and the engaged plate 16 are pressed downward by the compression coil spring 21, and accordingly, the upper engagement body 12 presses the canopy 6 downward, whereby the load 7 is transferred to the loading platform 1. It is sandwiched between the canopy 6 and held on the luggage carrier 1. In the third embodiment, the compression coil springs 21 need not be provided in front and rear pairs, but only on one of them, so that the cost can be reduced.

Although the compression coil spring 21 is used as an example of the biasing member in the first to third embodiments, the fourth embodiment will be described below.
In the embodiment, a leaf spring 32 is used as another example of the biasing device. That is, as shown in FIG. 11, brackets 33 are vertically provided at both ends of the contact plate 18, and an inverted gate-shaped leaf spring 32 that is elastically deformable in the vertical direction is provided between the lower ends of both brackets 33.
Is installed. Both ends of these leaf springs 32 are wound around the lower ends of both brackets 33.

According to this, the fastening rods 11 attached to the left and right sides by engaging the lower engaging body 13 with the leaf spring 32 from below,
Since it is pressed downward by the leaf spring 32 through the lower engaging body 13, the upper engaging body 12 presses the canopy 6 downwards accordingly, so that the load 7 is sandwiched between the luggage carrier 1 and the canopy 6. And is held on the loading platform 1. As described above, since the lower engaging body 13 can be directly engaged with the leaf spring 32, the engaged plate 16 used in the first to third embodiments can be eliminated. Therefore, the cost can be reduced.

The fifth embodiment of the present invention will be described below with reference to FIG. The fastening rod 11 is divided into an upper rod body 36 and a lower rod body 37 at an intermediate portion thereof. The lower end of the upper rod body 36 and the upper end of the lower rod body 37 are connected by a hinge 38, and the upper rod body 36 and the lower rod body 37 are both engaging bodies via the hinge 38.
The fastening rod 11 is folded in two by rotating in the directions of 12 and 13. According to this, the storage space for the fastening rod 11 can be shortened by removing the fastening rod 11 and folding it.

The sixth embodiment of the present invention will be described below with reference to FIGS. A first upper engaging body 12 and a second upper engaging body 42 are provided at the upper end of the fastening rod 11, and a lower engaging body 13 is provided at the lower end of the fastening rod 11. Of these, the first upper engaging body 12 and the lower engaging body 13 located at both ends of the fastening rod 11
Is the same as that of the first embodiment.

The second upper engaging body 42 is formed in a plate shape protruding in the lateral direction, and is attached to the outer peripheral surface of a short tubular holder 43 rotatably fitted on the upper portion of the fastening rod 11. .
As a result, the second upper engaging body 42, together with the holder 43,
It is horizontally rotatable around the axis 44 of the fastening rod 11.

The fastening rod 11 is provided with a rotation regulating screw 46 which is inserted into a long hole portion 45 formed in the holder 43 in the circumferential direction and regulates the rotation range of the second upper engaging body 42 to 90 °. Has been. The long hole portion 45, in the central portion of the holder 43,
A pair is formed at a target position around the axis 44. The rotation restricting screw 46 is inserted into the fastening rod 11 in a direction orthogonal to the direction of the shaft center 44 and the protruding direction of the first upper engaging body 12. A fixing nut 47 for fixing the holder 43 is screwed onto the tip of the rotation restricting screw 46. As a result, as shown in FIG. 15, the second upper engaging body 42, together with the holder 43, has an engaging direction A that is in the same direction as the first upper engaging body 12 about the axis 44, and this engaging direction. 90 from A
° It becomes freely rotatable between the retracting direction B which is horizontally rotated in one direction. Incidentally, as shown in FIG. 15, the reason why the elongated hole portion 45 is formed wider than 90 ° is because it includes the diameter of the rotation restricting screw 46.

The operation of the above structure will be described below.
When the level from the loading platform 1 to the uppermost loading 7 becomes high by stacking a load 7 having a height higher than usual on the loading platform 1 or stacking a number of loads 7 larger than usual. ,
The fixing nut 47 is loosened, and the second upper engaging body 42 is horizontally rotated together with the holder 43 by 90 ° from the engaging direction A to the retracting direction B as shown by the imaginary line in FIG. 14 and the imaginary line in FIG. Then, the fixing nut 47 is tightened to fix the second upper engaging body 42 in the retreat direction B. Then, the lower engaging body 13 is connected to the engaged plate.
By engaging the first upper engaging body 12 with the canopy 6 while engaging with the cargo 16, the load 7 is held between the cargo carrier 1 and the canopy 6 and held on the cargo carrier 1. At this time, as shown by the phantom line in FIG. 15, the second upper engaging body 42 fixed in the retreat direction B is along the outer surface of the load 7 loaded on the bed 1, so that the second upper engaging body 42 is Does not hinder the work, and it is possible to prevent an accident such as an injury caused by the worker coming into contact with the second upper engaging body 42 during transportation.

A load 7 having a height lower than usual is loaded on the loading platform 1
When the level from the loading platform 1 to the uppermost load 7 becomes low, for example, by stacking or loading a smaller number of loads 7 than usual, loosen the fixing nut 47 and As shown by the solid line in FIG. 15, the second upper engaging body 42 is horizontally rotated together with the holder 43 from the retracting direction B in the engaging direction A by 90 °. As a result, the second upper engaging body 42 is positioned below the first upper engaging body 12 in the same direction as the first upper engaging body 12. Then, the fixing nut 47 is tightened to fix the second upper engaging body 42 in the engaging direction A. Then, as shown in FIG. 13, while engaging the lower engagement body 13 with the engaged plate 16,
By engaging the second upper engaging body 42 with the canopy 6,
Is sandwiched between the carrier 1 and the canopy 6 and held on the carrier 1.

In this way, depending on the total height of the stacked loads 7, it is possible to select and use the first upper engaging body 12 and the second upper engaging body 42 having the optimum vertical spacing. .
Further, when the second upper engaging body 42 is not used, the second upper engaging body 42 does not interfere with the load 7 by rotating the second upper engaging body 42, so that the fastening rod 11 can be attached. . As a result, the load 7 can be transported according to the size of the load 7 and the increase / decrease in the number.

The seventh embodiment of the present invention will be described below with reference to FIGS. On the upper part of the fastening rod 11, a short tubular upper holder 51 and a lower holder 52 are externally fitted and mounted. Between the upper holder 51 and the lower holder 52, a short tubular holder 53 rotatably fitted onto the fastening rod 11 is provided. The second upper engaging body 42 is attached to the outer peripheral surface of the holder 53. As shown in FIG. 18, a cutout 54 is formed in the range of a semicircle in the upper part of the lower holder 52. Further, as shown in FIG. 19, at the lower portion of the holder 53, a protruding piece 55 protruding downward and fitted in the cutout portion 54.
Are formed in the range of 1/4 circle. As the holder 53 rotates, the protrusion 55 rotates only between both ends of the notch 54, so that the rotation angle is restricted to 90 °. This gives
As shown in, the second upper engaging body 42 is rotatable with the holder 53 between the engaging direction A and the retracting direction B.

The operation of the above configuration will be described below.
When the level from the loading platform 1 to the uppermost loading 7 becomes higher, the second upper engaging body 42 is horizontally rotated 90 ° in the retreating direction B together with the holder 53, as shown by a virtual line in FIG.
In this state, the lower engagement body 13 is engaged with the engaged plate 16 and the first upper engagement body 12 is engaged with the canopy 6, whereby the load 7 is sandwiched between the luggage carrier 1 and the canopy 6, and the luggage carrier 1 Held on.

When the level from the loading platform 1 to the uppermost load 7 is lowered, the second upper engaging body 42 is horizontally rotated 90 ° in the engaging direction A together with the holder 53 as shown by the solid line in FIG. Let As a result, the second upper engaging body 42 is positioned below the first upper engaging body 12 in the same direction as the first upper engaging body 12. In this state, the lower engagement body 13 is engaged with the engaged plate 16 and the second upper engagement body 42 is engaged with the canopy 6, whereby the load 7 is sandwiched between the luggage carrier 1 and the canopy 6, and the luggage carrier 1
Held on.

The eighth embodiment of the present invention will be described below with reference to FIGS. An upper stopper metal strip 58 and a lower stopper metal strip 59, which are movable along the axis 44, are wound around the outer peripheral surface of the fastening rod 11. A wing bolt 60 and a nut 61 are connected between both ends of the upper stopper band 58 and between both ends of the lower stopper band 59, respectively.
58 and the lower stopper band 59 are fastened and fixed to the fastening rod 11 respectively. These upper stopper band 58 and lower stopper band
Between it and 59, a short tubular holder 62 is provided which is fitted onto the fastening rod 11 so as to be rotatable and movable along the axis 44. A second upper engaging body 42 is attached to the outer peripheral surface of the holder 62.

The operation of the above structure will be described below.
When the level from the loading platform 1 to the uppermost load 7 is increased, the second upper engagement body 42 is horizontally rotated together with the holder 62 as shown by the phantom line in FIG. 20 and the phantom line in FIG. The engaging body 12 is retracted from below. In this state, the lower engagement body 13 is engaged with the engaged plate 16 and the first upper engagement body 12 is engaged with the canopy 6, whereby the load 7 is loaded on the loading platform 1.
It is sandwiched between the canopy 6 and the canopy 6 and held on the luggage carrier 1.

When the level from the loading platform 1 to the uppermost load 7 becomes low, the second upper engagement body 42 is horizontally rotated together with the holder 62 as shown by the solid line in FIG. 20 and the solid line in FIG. It is located below the first upper engaging body 12. In this state, by engaging the lower engaging body 13 with the engaged plate 16 and the second upper engaging body 42 with the canopy 6,
The load 7 is sandwiched between the loading platform 1 and the canopy 6 and held on the loading platform 1. Accordingly, depending on the total height of the stacked loads 7, it is possible to select and use the one having the optimum vertical interval from the first upper engaging body 12 and the second upper engaging body 42.

Further, as shown by an imaginary line C in FIG. 20, by loosening the butterfly bolt 60 and moving the upper stopper metal strip 58 and the lower stopper metal strip 59 along the axis 44 of the fastening rod 11, The second upper engaging body 42 moves together with the holder 62, and the level of the second upper engaging body 42 changes. In this way, since the level of the second upper engagement body 42 can be adjusted according to the total height of the stacked loads 7, loads 7 of various sizes can be transported.

The sixth, seventh and eighth shown in FIGS. 13 to 21 above.
In the embodiment, the fastening rod 11 is provided with the first upper engaging body 12, the second upper engaging body 42, and the lower engaging body 13, but three or more upper engaging bodies may be provided. You may provide two or more.

The ninth embodiment of the present invention will be described below with reference to FIG. That is, in the ninth embodiment, the length of the fastening rod 11 is freely adjustable, and the fastening rod 11 is a pipe-shaped main rod body.
66, and a pipe-shaped end rod body 67 fitted in the upper end portion of the main rod body 66 and reciprocally movable in the direction of the axis 44. A lower engaging body 13 is formed at the lower end of the main rod 66, and an upper engaging body 12 is formed at the upper end of the end rod 67. Then, the lock pin 68 is inserted into the through holes 69 formed at a plurality of upper and lower portions of the lower end rod body 67, and the lock hole 70 formed at the upper end portion of the main rod body 66, whereby the end portion is formed. The rod 67 is fixed to the upper portion of the main rod 66.

The operation of the above structure will be described below.
As shown by the phantom line in FIG. 22, after pulling out the end rod body 67 in the direction of the shaft center 44, the lock pin 68 is inserted into the lock hole 70 and the through hole 69 that matches the lock hole 70, and the end portion is inserted. By fixing the rod body 67 to the main rod body 66, the length of the fastening rod 11 is extended, and the distance between the lower engaging body 13 and the upper engaging body 12 is widened. Further, as shown by the solid line in FIG. 22, after pushing the end rod body 67 in the direction of the shaft center 44, the lock pin 68 is inserted into the lock hole 70 and the through hole 69 that matches the lock hole 70, and the end is inserted. Club body 67
By fixing the to the main rod body 66, the length of the fastening rod 11 is shortened, and the interval between the lower engaging body 13 and the upper engaging body 12 is narrowed.

In this way, the end rod body 67 is gradually withdrawn and locked so that the distance between the lower engaging body 13 and the upper engaging body 12 is adjusted according to the total height of the stacked loads 7. Therefore, the load 7 can be transported according to the size of the load 7 and the increase / decrease in the number. Such an effect is shown in FIGS.
Since a plurality of upper and lower upper engaging bodies 12 and 42 are not provided as in the sixth to eighth embodiments shown in FIG. 7, only a single upper engaging body 12 can be used, and thus the cost can be reduced. Further, since the upper engaging body 12 is singular, the fastening rod 11 can be handled more easily than in the sixth to eighth embodiments.

In the above embodiment, the end rod body 67 is fitted into the upper end portion of the main rod body 66, but it is fitted into the lower end portion of the main rod body 66 and the lower engaging body 13 is fitted into the end rod body 67. May be provided. In each of the above embodiments, a round pipe-shaped fastening rod is used as an example of a fastening rod.
Although 11 is used, this may be a square pipe shape or a flat plate-shaped fastening plate.

The tenth embodiment of the present invention will be described below with reference to FIGS. When handling a load 7 such as food that needs to be kept cold, a cold insulation sheet 74 (an example of a cold insulation body) made of a cold insulation material is attached over the entire lower surface of the top plate 8 of the canopy 6. Further, the load 7 is stored in a cool container 75 and kept cool.

According to this, after the plurality of cold insulation containers 75 containing the loads 7 are stacked on the loading platform 1, the uppermost cold insulation container 75 is placed.
The canopy 6 is placed on the upper surface of the, and a pair of left and right fastening rods 11 are attached to fasten the loading platform 1 and the canopy 6. This will keep the container cool
75 is sandwiched between the luggage carrier 1 and the canopy 6 and held on the luggage carrier 1. At this time, the load 7 is held on the cargo bed 1 while being stored in the cold insulation container 75, and the cold insulation sheet 74 is attached to the canopy 6.
Since the above is provided, it is possible to prevent cold air from escaping from the canopy 6, and the cold insulation property is improved.

The eleventh embodiment of the present invention will be described below with reference to FIG. The eleventh embodiment is a modification of the above-described first embodiment (see FIG. 5) and third embodiment (see FIG. 10). That is, angle-shaped engaged bodies 78 that are long in the front-rear direction are rotatably attached to the left and right sides of the bottom surface of the bottom frame 2 of the luggage carrier 1 via hinges 79. These hinge tools 79 connect the lower surface of the bottom frame 2 and the apex corners of the engaged bodies 78, so that the engaged bodies 78 rotate about the apex corners.

The lower engaging body 13 of the fastening rod 11 is engageable with the outward side 78a of each engaged body 78. A tension coil spring 80, which is an example of a biasing member, is provided between the inward opposite sides 78b of the engaged members 78 in the front-rear direction (depth direction).
Two of them are provided. As a result, each engaged body 78 is urged in the inner rotation direction B by the urging force of the tension coil spring 80.

According to this, the lower engaging body 13 of the fastening rod 11 is engaged with one side 78a of each engaged body 78, and the tension coil spring 80
The engaged body 78 is forcibly rotated in the outward rotation direction B against the urging force of the upper engagement body 12 to engage the upper engagement body 12 with the canopy 6, and the fastening rods 11 are attached to both left and right sides. At this time, since the engaged body 78 tries to rotate in the inner rotation direction a around the apex angle portion by the urging force of the tension coil spring 80, both fastening rods 11 have one side of the engaged body 78.
It is pressed downward via 78a, and accordingly, the upper engaging body 12 presses the canopy 6 downward, so that the load 7 is held between the cargo carrier 1 and the canopy 6 and held on the cargo carrier 1.

[0064]

As described above, according to the first aspect of the present invention, since the fastening rod is used to fasten the loading platform and the canopy, it can be easily bent as compared with the case of using the conventional belt or cord. Therefore, the load is less likely to be displaced in the horizontal direction and collapsed, and the load can be transported safely. Also,
The fastening rod is not easily cut as compared with conventional belts and cords, and therefore can be used for a long period of time. Further, since the fastening rod can be detached from the luggage carrier and the canopy separately, it is not necessary to wind the belt with the belt winder as in the conventional case. Therefore, the structure of the carriage can be simplified, and the fastening rod does not interfere when handling the canopy. Also, since the biasing device is provided on the side of the loading platform, not on the side of the fastening rod, the weight of the fastening rod is reduced,
Handling of the fastening rod becomes easy.

According to the second aspect of the present invention, since the urging tool is provided between the lower surface of the luggage carrier and the engaged body, the urging tool does not come into contact with the load on the luggage carrier. Therefore, it is possible to prevent a problem that the load is damaged by the biasing device.

According to the third aspect of the present invention, since the upper end of the pipe material is pressed flat and bent laterally to form the upper engaging body, troublesome work such as welding can be omitted and the fastening rod can be easily attached. An upper engagement body may be formed on the.

According to the fourth aspect of the present invention, the storage space for the fastening rod can be shortened by removing and folding the fastening rod.
According to the fifth aspect of the present invention, it is possible to select and use the upper engagement body and the lower engagement body having the optimum vertical interval from the plurality of engagement bodies according to the total height of the loads stacked on the luggage carrier.
At this time, by changing the orientations of the engaging bodies existing between the upper engaging bodies and the lower engaging bodies to be used with respect to the orientations of the upper engaging bodies and the lower engaging bodies to be used, the unused engaging bodies are loaded. It does not interfere with and can therefore be fitted with a fastening rod. As a result, the load can be transported according to the size of the load and the increase or decrease in the number of loads.

According to the sixth aspect of the present invention, the unused engaging body is rotated and directed toward the direction along the load on the loading platform, so that the unused engaging body does not interfere with the load and the operator.
According to the seventh aspect of the present invention, by adjusting the length of the fastening rod according to the total height of the loads stacked on the loading platform, it is possible to reliably load the loading platform and the canopy according to the size of the loading and the increase or decrease of the number of loadings. You can slide in.

According to the eighth aspect of the present invention, since the load is held in the cold storage container on the cargo bed and the canopy is provided with the cold insulator, it is possible to prevent cold air from escaping from the canopy. , The cold insulation is improved.

[Brief description of drawings]

FIG. 1 is a side view of a carrier truck according to a first embodiment of the present invention.

FIG. 2 is a front view of the carrier.

FIG. 3 is a plan view of a luggage carrier of the carrier.

FIG. 4 is a view on arrow XX in FIG.

FIG. 5 is a detailed view of a mounting portion of an engaged body of the carrier.

FIG. 6 is a front view of a fastening rod of the carrier.

FIG. 7 is a view on arrow XX in FIG.

FIG. 8 is a front view of a plurality of stacked loading platforms of the transport vehicle.

FIG. 9 is a plan view of an engaged body of the carriage according to the second embodiment of the present invention.

FIG. 10 is a detailed view of an attachment portion of an engaged body of a carrier truck according to a third embodiment of the present invention.

FIG. 11 is a detailed view of the biasing member of the carrier truck according to the fourth embodiment of the present invention.

FIG. 12 is a front view of a fastening rod of a carrier truck according to a fifth embodiment of the present invention.

FIG. 13 is a front view of a fastening rod of a carrier truck according to a sixth embodiment of the present invention.

FIG. 14 is a side view of a fastening rod of the carrier.

FIG. 15 is a partially cutaway cross-sectional view of a fastening rod of the carrier.

FIG. 16 is a front view of an upper portion of a fastening rod of a carrier truck according to a seventh embodiment of the present invention.

FIG. 17 is a view on arrow XX in FIG.

FIG. 18 is a view taken along the line YY in FIG.

FIG. 19 is a view taken along the line ZZ in FIG.

FIG. 20 is a front view of an upper portion of a fastening rod of a carrier truck according to an eighth embodiment of the present invention.

FIG. 21 is a view on arrow XX in FIG. 20.

FIG. 22 is a front view of a fastening rod of a carrier truck according to a ninth embodiment of the present invention.

FIG. 23 is a partially enlarged cross-sectional view of a canopy of a carrier truck according to a tenth embodiment of the present invention.

FIG. 24 is a partially cutaway front view of the carrier.

FIG. 25 is a detailed view of an engaged body of the carriage according to the eleventh embodiment of the present invention.

[Explanation of symbols]

 1 loading platform 4 wheels 6 canopy 7 loading 11 fastening rod (fastening rod) 12 upper engaging body 13 lower engaging body 16 engaged plate (engaged body) 21 compression coil spring (biasing tool) 32 leaf spring (biasing tool) 42 2 Upper engaging body 74 Cold insulation sheet (cooling body) 75 Cooling container 78 Engaged body 80 Tension coil spring (biasing tool) A Engagement direction B Retreat direction

Claims (8)

[Claims] 1. A plurality of wheels are provided on a lower surface of a loading platform, a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided, and a fastening rod for fastening the loading platform and the canopy is detachable. It is provided so as to be movable up and down, an upper engaging body that is engageable and disengageable with a side end of the canopy is provided at an upper end of the fastening rod, and a biasing member that pushes the fastening rod downward is provided on the cargo bed side. And a trolley. 2. An upper and lower movable engaged body is provided on the lower surface side of the loading platform, and a lower engaging body which is engageable with and disengageable from the engaged body is provided at the lower end of the fastening rod. The carriage according to claim 1, wherein the carriage is provided between the engaged body. 3. A plurality of wheels are provided on the lower surface of the loading platform, a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided, and a fastening rod for fastening the loading platform and the canopy is detachable and It is provided so that it can move up and down, the upper end of the fastening rod is provided with an upper engaging body that can be engaged with and disengaged from the side end of the canopy, and a biasing member for pressing the fastening rod downward is provided, and a pipe material is attached to the fastening rod. A carrier truck which is used, wherein the upper end of the pipe material is pressed flat and bent laterally to form the upper engaging body. 4. A plurality of wheels are provided on the lower surface of the loading platform, a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided, and a detachable fastening rod for fastening the loading platform and the canopy is provided. A transporting trolley, characterized in that the fastening rod is provided so as to be vertically foldable. 5. A plurality of wheels are provided on the lower surface of the loading platform, a canopy that can be placed on the upper surface of the uppermost load loaded on the loading platform is provided, and a fastening rod that fastens the loading platform and the canopy is detachable. Provided at the upper end of the fastening rod is a disengageable upper engagement body at the side end of the canopy, and at the lower end of the fastening rod is provided a disengageable lower engagement body on the cargo bed side, and the upper engagement body is lowered. A biasing member that presses against is provided, a plurality of upper and lower engaging bodies, at least one of the upper engaging body and the lower engaging body, are provided in the vertical direction, and the upper engaging body and the lower engaging body are respectively formed in a horizontal plate shape protruding in the same direction. A carrier truck, which is formed and is provided with the remaining engaging bodies excluding the upper engaging body and the lower engaging body at both upper and lower ends so as to be capable of changing its direction. 6. The remaining engagement bodies except the upper engagement body and the lower engagement body at the upper and lower ends are rotatable between the engagement direction and the direction along the load loaded on the bed. The trolley | bogie of Claim 5 characterized by the above-mentioned. 7. A fastener having a plurality of wheels provided on the lower surface of the loading platform, a canopy capable of being placed on the upper surface of the uppermost load loaded on the loading platform, and an adjustable length fastening for fastening the loading platform and the canopy. A rod is detachably and vertically movable, an upper engaging body is provided at the upper end of the fastening rod, which can be engaged with and disengaged from the side end of the canopy, and a biasing member for pressing the fastening rod downward is provided. Characteristic trolley. 8. A canopy capable of being placed on the upper surface of the uppermost cold insulation container loaded on the cargo bed, wherein a plurality of wheels are provided on the lower surface of the cargo bed on which a plurality of cold insulation containers containing loads can be placed. Provided,
A fastening rod that fastens the loading platform and the canopy is detachably and vertically movable, and an upper engaging body that is detachably attached to a side end of the canopy is provided at an upper end of the fastening rod, and a fastening rod is provided on the loading platform side. A trolley provided with an urging device for pressing down the hood and a cold insulator provided on the canopy.