JP2000289624A - Carrying cart - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a connecting mechanism adapted to have carts connected flatly from being interfered with another body or damaged, and to improve an appearance of the cart itself. SOLUTION: On a bottom surface part facing one edge of a long side of goods placing board 111 of a cart body 11, a first connecting means is movably mounted between an engaged position projecting out from a side wall 112 and a stored position not projecting out from an outer surface of the side wall 112. On the side wall 112 opposite to the first connecting means, an engaged part 14 to engage with the first connecting means on the engaged position of a connected counter cart body 11 is formed. On a bottom surface part facing one edge of a short side of the goods placing board 111, a second connecting means 15 is movably mounted between the engaged position projecting out from the side wall 112 and the stored position not projecting out from the outer surface of the side wall 112. On the side wall 112 opposite to the second connecting means 15, an engaged part 16 to engage with the second connecting means 15 on the engaged position of the connected counter cart body 11 is formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transportation cart suitable for loading and transporting goods to a predetermined place in a supermarket or a discount shop, or for storing or displaying goods while loaded. In particular, the present invention relates to a transport trolley capable of connecting a plurality of trolleys in a plane direction in which product placement surfaces coincide with each other.

[0002]

2. Description of the Related Art Hitherto, Japanese Unexamined Patent Publication (Kokai) No. 9-240 discloses a transport trolley in which a plurality of trolleys capable of individually mounting and transporting products can be connected in a plane direction in which the product mounting surfaces coincide.
No. 483 is known. Hereinafter, this type of conventional transport truck will be described with reference to FIGS. 7 and 8. FIG. 7 is a perspective view of a conventional transport vehicle, and FIG. 8 is a perspective view showing a state in which a plurality of conventional transport vehicles are connected in a plane direction.

In FIG. 7 and FIG.
Is a cart body 71 formed in a rectangular shape from a synthetic resin material.
And a plurality of free casters 72 fixed to the lower surface of the bogie main body 71. On one long side of the bogie main body 71, a superposed portion 73 formed by providing a step corresponding to about half the thickness of the bogie main body 71 from the product mounting surface 711 of the bogie main body 71 has a longitudinal direction. An engagement hole 74 is formed in the middle part of the overlapped portion 73 in the longitudinal direction, and penetrates in the thickness direction of the overlapped portion 73. The portion of the overlapping portion 73 including the engagement hole 74 also serves as a carrying handle for the carriage 70. Further, a stacking portion 75 formed by providing a step corresponding to about half the thickness of the bogie main body 71 from the product mounting surface 711 of the bogie main body 71 is formed on one short side surface of the bogie main body 71. An engagement hole 76 is formed in the middle part of the overlapping portion 75 in the longitudinal direction, and penetrates in the thickness direction of the overlapping portion 75. The overlapping portion 75 including the engaging hole 76 also serves as a carrying handle for the carriage 70.

Further, on the other long side of the bogie main body 71, an overlap portion 77 having a thickness corresponding to about half of the thickness of the bogie main body 71 from the product mounting surface 711 of the bogie main body 71 in the longitudinal direction. , And is formed to protrude horizontally outward. An engagement protrusion 78 protruding downward is formed at the tip of the overlapping portion 77. Further, on the other short side surface of the bogie main body 71, the overlapping portion 7 having a thickness corresponding to about half the thickness of the bogie main body 71 from the product mounting surface 711 of the bogie main body 71 is provided.
9 is formed to extend in the longitudinal direction and horizontally project outward, and an engagement projection 80 projecting downward is formed at the tip of this overlapping portion 79.

[0005] In the conventional transport vehicle constructed as described above, when a plurality of the transport vehicles are connected in a plane, as shown in FIG. 77, and the short overlapping portions 75 and 79 are arranged so as to face each other, and the overlapping portions 73 and 77 and the short overlapping portion 7 are arranged.
5 and 79 are overlapped with each other, and
7 is engaged with the engaging hole 74 of the long overlapping portion 73, and the engaging convex portion 80 of the short overlapping portion 79 is engaged with the engaging hole 76 of the short overlapping portion 75. . As a result, the transport carts 70 are connected in a plane as shown in FIG.

Accordingly, in such a transport vehicle, the product mounting area of the entire transport vehicle can be arbitrarily adjusted according to the size and amount of the product to be mounted, and the transport vehicle can be mounted on one transport vehicle. A large number of commodities that cannot be placed can be transported to an arbitrary place, or can be displayed in stores with the commodities loaded, or stored in a warehouse or the like.

[0007]

However, in the above-described conventional carriage, the overlapping portion, the engagement hole and the engagement protrusion for connecting the carriages to each other in a plane are exposed on the surface of the carriage body. In this state, the appearance of the trolley itself deteriorates, making it unsuitable as a product display stand at stores, etc., as well as overlapping parts and engaging projections protruding from the side of the trolley body when the transport trolley moves. It is often damaged by interference with other objects. In particular, there is a problem that the engaging projections are easily damaged, and if the engaging projections are damaged, it becomes impossible to connect the transport vehicles.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to prevent a connecting mechanism for connecting trucks in a plane from interfering with other objects or damaging them. It is another object of the present invention to provide a transport trolley that can improve the aesthetic appearance of the trolley itself.

[0009]

According to a first aspect of the present invention, there is provided a transportation vehicle having a rectangular product mounting plate and corresponding to each side of the product mounting plate. A bogie main body having a side wall of a desired height extending vertically downward from the edge portion and surrounding the periphery at the edge portion, and the product placement positioned inside the side wall of the bogie main body A plurality of free casters fixed to a lower surface portion of the plate, and a member engaged with a mating bogie main body protruding outward from the side wall at a lower surface portion located near an edge of at least one side of the product mounting plate. A connecting means movably provided between a mating position and a storage position which does not protrude from the outer surface of the side wall, and corresponds to one side of the product mounting plate on the opposite side opposite to the location where the connecting means is provided; Formed on the side wall,
An engaging portion for engaging the connecting means at the engaging position of the connecting partner bogie main body to connect the bogie main bodies to each other.

According to a second aspect of the present invention, the connecting means includes an urging means for urging the connecting means in the direction of the storage position. The invention according to claim 3 is
The coupling means includes a locking means for holding the coupling means at the engagement position and releasing the engagement position when the engagement portion of the coupling partner bogie body is engaged with the coupling means. And The invention according to claim 4 is characterized in that the connecting means is attached to a lower surface of the product mounting plate so as to be movable in a direction perpendicular to the side wall, and to a front end of the support member facing the side wall. A connecting portion provided with an engaging portion of the connecting opposing bogie main body to be engaged and disengaged, wherein the connecting portion is configured to be moved between the engaging position and the storage position. . The invention according to claim 5, wherein the locking means includes a locking portion provided on the support member;
And a locking portion formed on a lower surface of the product mounting plate, wherein the locking portion is disengaged.

In the present invention, when the connecting means is not used, since the storage position is such that it does not protrude from the outer surface of the side wall, it is possible to prevent the connecting means from interfering with other objects or being damaged and to prevent the bogie main body from being damaged. Since there are no irregularities on the surface, the appearance of the transport vehicle itself can be improved. Further, in the present invention, by providing the side walls of the desired height so as to surround the four periphery of the bogie main body, it is possible to make the free caster attached to the lower surface of the bogie main body difficult to see, and display the transport bogie at a store or the like. The aesthetic appearance when used as a table can be improved. Further, in the present invention, by providing an urging means for urging the coupling means in the storage position direction, when the coupling means is not used, the coupling portion is automatically moved to the storage position, and the bogie main body is moved. It can be maintained in a state that does not protrude outward from the side wall. In the present invention,
By providing the locking means, the connecting portion of the connecting means 13 and 15 can be held at the engagement position, and the connection between the transport vehicles becomes easy.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 (A),
2 (B) and 2 (C) are perspective views of the transport vehicle according to the embodiment of the present invention, FIG. 2 is a bottom view of the transport vehicle according to the embodiment of the present invention, and FIG. 3 is a cross section taken along line AA of FIG. FIG. 4 and FIG. 4 are perspective views of main parts constituting the connecting means of the transport vehicle in the embodiment of the present invention, and FIGS. 5 (A) to 5 (C) show the configuration of the connecting means of the transport vehicle in the embodiment of the present invention. FIG. 6 is a perspective view showing a state in which a plurality of transport vehicles are connected in a plane direction in the embodiment of the present invention.

In FIG. 1 to FIG. 3, each of the carriages 10 connected in a plane is fixed to a rectangular carriage main body 11 integrally formed of a synthetic resin material and four corners on the lower surface of the carriage main body 11, respectively. It has four free casters 12. The bogie main body 11 of each transport trolley 10 has a rectangular product mounting plate 111, and an edge portion corresponding to each side of the product mounting plate 111 extends vertically downward from this edge. The existing side wall 112 having a desired height is formed so as to surround the four periphery of the product placing plate 111. The height of the side wall 112 is set to such a size that the free caster 12 attached to the lower surface of the product placing plate 111 can be covered so that it is difficult to see from the side. The product placing plate 111 and the side walls 112 are reinforced by reinforcing ribs 113 arranged vertically and horizontally on the inner surface of the product placing plate 111.

The bogie main bodies 11 to be connected to each other are attached to the lower surface of the product mounting plate 111, which is located near the edge of the product mounting plate 111, which faces one long side of the product mounting plate 111.
The first connecting means 13 for connecting in the short direction of the side wall 1
It is provided so as to be movable between an engagement position where it protrudes outward from the main body 12 and engages with the connection opposing bogie main body 11 and a storage position where it does not protrude from the outer surface of the sidewall 112. In addition, on the other long side of the product mounting plate 111, the opposite side wall 112 opposite to the place where the first connecting means 13 is provided is provided with the opposite bogie main body 11 to be connected. An engaging portion 14 is formed to engage the first connecting means 13 at the engaging position to connect the bogie main bodies 11 to each other. The engaging portion 14 is connected to the lower end edge of the side wall 112 by the connecting portion 131 of the first connecting means 13.
It is configured by notching in accordance with.

On the other hand, on the lower surface located near the edge of the product placing plate 111 facing one short side of the product placing plate 111, the bogie main bodies 11 to be connected to each other are connected. The second connecting means 15 for connecting in the longitudinal direction protrudes outward from the side wall 112 so as to be movable between an engagement position where the second connecting means 15 is engaged with the connection partner bogie main body 11 and a storage position where the second connecting means 15 does not protrude from the outer surface of the side wall 112. Is provided. In addition, on the other side of the short side of the product mounting plate 111, a side wall 112 on the opposite side to the place where the second connecting means 15 is provided is provided with a coupling of the mating bogie main body 11 to be connected. An engaging portion 16 is formed to engage the second connecting means 15 at the mating position to connect the bogie main bodies 11 to each other. The engaging portion 16 is formed by cutting out the lower end edge of the side wall 112 in accordance with the connecting portion 151 of the second connecting means 15. In a state where the first and second connecting means 13 and 15 are moved to the storage positions described above, the outer surface of the connecting part 131 of the first connecting means 13 and the connecting part 1 of the second connecting
The outer surface of the side wall 51 coincides with the outer surface of the side wall 112, or is located inside the outer surface of the side wall 112, and
1 does not protrude from the outer surface of the side wall 112.

Next, the structure of the first and second connecting means 13 and 15 will be described with reference to FIGS. Since the first and second connecting means 13 and 15 have the same structure, only the first connecting means 13 will be described, and the description of the configuration of the second connecting means 15 will be omitted. The connecting means 13 (or 15) is integrally formed of a synthetic resin material, and as shown in FIG.
Is connected to one end of the support member 41 at a right angle, and
Connecting member 42 having a predetermined width in a direction parallel to 12
A connecting portion 43 provided at a lower end of the connecting member 42 and formed in a channel shape so as to open upward;
A spring receiving portion 44 provided at the other end of the support member 41 and a locking portion 45 provided at an upper end of the connecting member 42 are provided. The length in the direction parallel to the side wall 112 of the coupling portion 43 (the coupling portions 131 and 151) is equal to the engagement portions 14 and 16 formed on the side wall 112.
Is approximately equal to the notch length.

When the connecting means constructed as described above is mounted on the lower surface of the product mounting plate, as shown in FIGS. 2 and 5, two parallel elongated holes 411 formed in the support member 41 are used.
Are engaged with guide pins 117 projecting from the lower surface of the product mounting plate 111 corresponding to the respective elongated holes 411, and the stoppers 118 attached to the tips of the guide pins 117 prevent the support member 41 from coming off. And the support member 41 is movably supported in a direction perpendicular to the side plate 112. Thereby, the coupling portion 43 is moved outward from the side wall 112 shown in FIG. 5 (B) to the engagement position (FIG. 1 (B)) where the engagement portion 43 engages with the connecting opponent bogie main body 11, as shown in FIG. 5 (A). It can be moved between storage positions (FIG. 1A) that do not protrude from the outer surface of the side wall 112 as shown. In order to move the connecting portion 43 between the engagement position and the storage position, the side wall 11 facing the connecting portion 43 is required.
As shown in FIG. 1, a notch 119 corresponding to the shape of the connecting portion 43 is formed at the lower end portion of 2.

A coil spring 46 is interposed between the spring receiving portion 44 of the support member 41 and the lower surface of the product placing plate 111 facing the spring receiving portion 44. The coil spring 46 moves the connecting portion 43 of the connecting means to the storage position. The urging means for urging in the direction is constituted. Further, a locking portion 120 to which the locking portion 45 of the connection member 42 is engaged and disengaged is provided on the lower surface of the product mounting plate 111, and the locking portion 45 is engaged with the locking portion 120, thereby connecting the connecting means. The holding means 43 holds the connecting portion 43 at the above-mentioned engaging position and constitutes a locking means which is disengaged when the engaging part 14 or 16 of the mating bogie main body 11 is engaged with the connecting means.

In the embodiment configured as described above, when a plurality of transport vehicles 10 are connected in a plane, for example, when the transport vehicles 10 are connected side by side in the short direction of the vehicle main body 11, first, FIG. As shown in FIG. 5 (A), a fingertip or the like is hooked on the connecting member 42 of the first connecting means 13 in the storage position, and is pulled against the coil spring 46 in the arrow X1 direction shown in FIG. The entire means 13 is moved in the direction of arrow X1 until the connecting member 42 comes into contact with the inner surface of the side wall 112, and the connecting portion 131 (same as the connecting portion 43) is moved in FIG.
As shown in FIG. 7B, the side wall 112 is projected outward. After that, the locking member 45 is engaged with the locking portion 120 by moving the connecting member 42 including the coupling portion 131 in the direction of the arrow Y1 in FIG. Thereby, the first connecting means 1
The third coupling portion 131 (43) projects outward from the side wall 112 and is held at an engagement position where the third coupling portion 131 (43) can be engaged with the mating bogie main body 11.

In this state, the engaging portion 14 formed on the side wall 112 of the bogie main body 11 of the transporting vehicle 10 to be connected is outwardly projected from the side wall 112 of the bogie main body 11 of the transporting vehicle 10 on the side to be connected. 5 is engaged with the connecting portion 131 of the connecting means 13 as shown in FIG. Accordingly, the locking portion 45 of the connecting member 42 is disengaged from the locking portion 120, so that the entire first connecting means 13 is moved by the coil spring 46 as shown in FIG.
It is moved in the direction of the arrow X2 in FIG.
3) The side wall 112 of the bogie main body 11 on the side to be connected is brought into close contact with the side wall 112 of the bogie main body 11 on the side to be connected, and is held in a sandwiched state. Thereby, the transport vehicles 10 are connected to each other in the short direction of the vehicle main body 11. The first
When the engaging portion 14 formed on the side wall 112 of the bogie main body 11 on the side to be connected is engaged with the connecting portion 131 (43) of the connecting means 13, movement in the longitudinal direction between the bogie main bodies is prohibited. .

In the case where the carriages 10 are connected side by side in the longitudinal direction of the carriage body 11, the connecting portion 15 of the second connecting means 15 of the carriage body 11 on the side to be connected is shown in FIG. After being held at the mating position, it becomes possible by engaging the engaging portion 16 of the bogie main body 11 on the side to be connected to the connecting portion 151 as shown in FIG. As described above, the transport carts 10 are arranged in the short direction and the long direction of the cart main body 11, and the connecting portions 131 of the first and second connecting means 13 and 15,
151, the engaging portion 114 of the side wall 112 to be connected,
16 are engaged, for example, four transport vehicles 1
0 can be connected as shown in FIG.

According to the transport vehicle according to the present embodiment, it is possible to arbitrarily adjust the product mounting area of the entire transport vehicle in accordance with the size and amount of the product to be loaded, and to use one transport vehicle. A large number of commodities that cannot be placed on a transport trolley can be connected and transported to an arbitrary place at one time, or the commodities can be displayed at a store while loaded, or stored in a warehouse or the like. In addition, according to the carrier of the present embodiment, the first
When the second connecting means 13 and 15 are not used, the coupling portions 131 and 151 are in the storage positions where they do not protrude from the outer surface of the side wall 112, so that the first and second connecting means 1 and 15 are not used.
It is possible to prevent 3, 15 from interfering with other objects or to be damaged, and to improve the aesthetic appearance of the transport trolley itself because there is no uneven portion on the surface of the trolley body 11 as in the related art. Further, according to the carrier of the present embodiment,
A side wall 112 is provided so as to surround the four peripheries of the bogie main body 11, and the height of the side wall 112 can be covered so that the free casters 12 attached to the lower surface of the product placing plate 111 are hardly seen from the side. Therefore, the movable casters 12 of the transport trolley become difficult to see, and the appearance when the transport trolley is used as a display stand at a store or the like can be improved.

Further, according to the present embodiment, the first and second connecting means 1 are provided by the respective coil springs 46.
By urging the first and second connecting means 13 and 15 when the first and second connecting means 13 and 15 are not used, the first connecting means 1
31 and 151 can be automatically moved to the storage position and can be maintained in a state where they do not protrude outward from the side wall 112 of the bogie main body 11. Further, according to the present embodiment, the locking portion 120 to which the locking portion 45 of the connecting member 42 is engaged and disengaged is provided on the lower surface of the product mounting plate 111, and the locking portion 120 is
5, the first and second connecting means 13,
The fifteen coupling portions 131 and 151 can be held at the engagement positions, and the connection between the transport vehicles 10 is facilitated.

In the above embodiment, the carriage body 1
1, connecting means 13 and 15 are provided on one of the long side and the short side, and the engaging portions 14 and
However, the present invention is not limited to this, and a connecting means is provided on one of the long side and the short side of the bogie main body 11, and the connecting means is provided on the opposite side wall 112 opposed to the connecting means. It may be of a structure that forms a joint. Further, in the present invention, the urging means and the locking means of the connecting means 13 and 15 can be omitted.

In the present invention, the position of the lower surface where the connecting means 13 and 15 are provided may be any one of the surfaces of the side wall 12 in addition to the position shown in the above embodiment, for example, below the side wall surface. The position may be slightly above the lower end of the part.

[0026]

As is apparent from the above description, according to the present invention, when the connecting means is not used, the connecting means does not protrude from the outer surface of the side wall, so that the connecting means may interfere with other objects or break. Can be prevented, and since the surface of the bogie main body has no irregularities, the appearance of the transport bogie itself can be improved. Further, according to the present invention, by providing the side wall of a desired height so as to surround the four periphery of the bogie main body, the free caster attached to the lower surface of the bogie main body can be made difficult to see, and the transport bogie can be used at a store or the like. The aesthetic appearance when used as a display stand can be improved. Further, according to the present invention, by providing the urging means for urging the connecting means in the storage position direction, when the connecting means is not used, the coupling portion is automatically moved to the storage position, and the bogie main body is provided. Can be maintained so as not to protrude outwardly from the side wall. Further, according to the present invention, by providing the locking means, the connecting portion of the connecting means can be held at the engagement position, and there is an effect that the connection of the transport vehicles can be facilitated.

[Brief description of the drawings]

FIGS. 1A, 1B, and 1C are perspective views of a carriage according to an embodiment of the present invention.

FIG. 2 is a bottom view of the carriage according to the embodiment of the present invention.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view of main parts constituting a connecting means of the transport vehicle in the embodiment of the present invention.

FIGS. 5A to 5C are explanatory views showing the configuration and operation of the connecting means of the transport vehicle in the embodiment of the present invention.

FIG. 6 is a perspective view showing a state in which a plurality of transport vehicles are connected in a plane direction in the embodiment of the present invention.

FIG. 7 is a perspective view of a conventional transport vehicle.

FIG. 8 is a perspective view showing a state in which a plurality of conventional transport vehicles are connected in a plane direction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Transport trolley 11 Bogie main body 111 Commodity mounting plate 112 Side wall 12 Free caster 13 1st connection means 131 Coupling part 14 Engagement part 15 2nd connection means 151 Connection part 16 Engagement part 41 Support member 42 Connection member 43 Connection part 44 Spring receiving part 45 Locking part (locking means) 46 Coil spring (biasing means) 120 Locking part (locking means)

Claims (5)

[Claims] 1. A product mounting plate having a rectangular shape, and formed at an edge portion corresponding to each side of the product mounting plate so as to extend vertically downward from the edge portion and surround the periphery. A bogie main body having a desired height of a side wall, a plurality of free casters fixed to a lower surface of the product mounting plate positioned inside the side wall of the bogie main body, and at least one side of the product mounting plate Connecting means movably provided at a lower surface located near the edge between an engagement position for projecting outward from the side wall and engaging with the connection partner bogie main body and a storage position not projecting from the outer surface of the side wall; A truck formed on a side wall corresponding to one side of the product mounting plate opposite to the place where the connection means is provided, and engaging with the connection means at an engagement position of the connection partner bogie main body; And an engaging part for connecting the main bodies. Transport truck characterized by Rukoto. 2. The transport trolley according to claim 1, wherein said connecting means includes an urging means for urging said connecting means toward said storage position. 3. The engaging means for holding the connecting means at the engaging position and releasing the engaging position when the engaging portion of the main body of the mating bogie is engaged with the connecting means. The carrier according to claim 1 or 2, further comprising: 4. A supporting member mounted on a lower surface portion of the product mounting plate so as to be movable in a direction perpendicular to the side wall, and a connecting portion provided at a front end portion of the supporting member facing the side wall. 4. A coupling portion with which an engaging portion of a connection partner bogie main body is disengaged, wherein the coupling portion is configured to be moved between the engaging position and the storage position. 5. The carrier according to any one of claims 1 to 4. 5. The locking means includes a locking portion provided on the support member, and a locking portion formed on a lower surface portion of the product placing plate, wherein the locking portion is disengaged. The transporting trolley according to claim 3 or 4, wherein: