JP2012144207A - Carriage with folding fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a plurality of packages mounted on a hand carriage from sliding or dropping due to vibration during transportation.SOLUTION: In the carriage with folding fences, the fences 7, 14, 21, 26 are foldably provided on four sides of the upper face of a base plate 1. The fences are fixed by mutually engaging with hooked protrusion pieces 10, 11, 16, 17, 22, 23, 27, 28 set to the fences. A handle 32 is connected to the rear part of the base plate 1. Wheels 31 are connected to the front and rear parts on both sides of a lower face of the base plate 1 to form the carriage with folding fences. In housing the fences on the base plate 1, the left fence 7, front fence 21, rear fence 26, right fence 14 are stacked sideways in this order and housed. In raising the stored fences, a knob 8 of the left fence 7 is raised to raise the other front fences 14, 21, 26 simultaneously, and to fix the fences by mutually engaging with the hooked protrusion pieces of the fences.

Description

  This invention is provided with a fence on the entire periphery of the upper surface of the carriage, and prevents the cargo loaded on the carriage from falling due to vibrations when the carriage moves. When the carriage is not used, the fence is folded over on the carriage. The present invention relates to a cart with a folding fence that can be stored.

Conventionally, such a cart has been developed.
In Japanese Patent Laid-Open No. 7-205818, three frames are erected on an L-shaped frame to which a bottom plate is attached, and the left and right frames are foldable in a state of being erected on a central frame. . In Japanese Patent Laid-Open No. 10-250379, a frame with a hood is loaded on a carriage so that it can be folded back and forth. However, the above-mentioned Patent Documents 1 and 2 are not folded on the top surface of the carriage, but are suitable for use at a fixed position, and are not suitable for loading on a moving vehicle and for simple use.

Therefore, the present invention has been made in consideration of such prior art,
When a delivery company loads a wheelbarrow and a small baggage onto a lorry, and stacks multiple small packages at the arrival location and loads them on a wheelbarrow, the load may slide due to vibration during movement, Solve the above problems by providing a trolley with a folding fence that can prevent the load from collapsing and deforming when moving, and can be folded and stored on the trolley when the trolley is not in use. It is what.

Therefore, the invention of claim 1
A square plate-shaped body with a pair of opposing sides as left and right, and the other opposite side as front and back, and a number of fences standing in front of the front and rear, left and right peripheral edges of the top surface of the base plate. And put a plate or net on the inside of each fence,

Of the base plate,
A through-hole is provided at the approximate center of the upper left side edge to make a left fence protrusion piece hole, or a cylindrical shaped object is connected to make a left fence cylinder protrusion piece hole,
A through hole is provided at the approximate center of the right side of the upper surface to form a right fence protrusion piece hole, or by connecting a cylindrical object to form a right fence cylinder protrusion piece hole,
Provide wheels around the left and right edges on the bottom,

Connect the open ends of the п-shaped member to the top or side of the back to make a handle,
Each of the fences constituting the fence is a front fence in front of the base plate, a rear fence in the rear, a right fence on the right, and a left fence on the left.
The height of each of the front fence and the rear fence is slightly smaller than approximately half of the front and rear width of the base plate,

The left and right width is a substantially quadrangular shape that is slightly smaller than the left and right width of the base plate, provided with projecting pieces projecting in the left and right directions at both ends of the lower side of the front fence,
Protruding pieces projecting in the left-right direction on both ends of the lower side of the rear fence, and the rear fence outer protrusion,

The outer protrusion of the front fence penetrates the bowl-shaped member so as to be rotatable and floatable, and both open ends of the bowl-shaped member are connected and fixed to the upper surface of the base plate, so that the front fence can be freely rotated on the base plate. Fixed to
The rear fence outer projecting piece penetrates the hook-shaped member so as to freely rotate and float,

The open ends of the bowl-shaped member are connected and fixed to the top surface of the base plate, and the rear fence is fixed to the base plate so as to be freely rotatable.
Provide a key-shaped protruding piece that protrudes rearward and protrudes upward at the right edge of the upper side of the front fence, and is a front fence right key protruding piece,

Provide a key-shaped protruding piece that protrudes forward and upwards at the right end of the upper side of the rear fence, and is a rear fence right key protruding piece,
Projecting in the left direction approximately at the center of the left side of the front fence, and providing a key protrusion facing upwards, a front fence left key protrusion,
Projecting in the left direction approximately at the center of the left side of the rear fence and providing an upward key protrusion, the rear fence left key protrusion,

The right fence has a concave shape whose height is slightly smaller than the left and right width of the base plate, and the left and right width is slightly smaller than the front and rear width of the base plate,
Protruding downwards at the center of the lower side and providing a protruding piece as a right fence downward protruding piece,
The right fence lower projecting piece can be inserted into and removed from the right central hole.

Protruding pieces projecting in the front and rear directions at both ends of the lower side of the right fence to provide a right fence outer protruding piece,
Each of the right fence outer projecting pieces penetrates the bowl-shaped member so as to rotate and float, and the open ends of the bowl-shaped member are connected and fixed to the upper surface of the base plate,

Fixing the right fence outer protrusion to the base plate rotatably,
When the right fence is placed sideways on the top surface of the base plate, a frame is provided to protrude upward on all sides except the concave portion, and a right fence protruding frame is provided.

Protruding inwardly at the front end of the upper side of the right fence, and providing a key-shaped projecting piece facing downward, and a key projecting piece in front of the right fence,
Protruding inwardly at the rear edge of the upper side of the right fence, and providing a key-shaped projecting piece facing downward, as a right fence rear key projecting piece,
The right fence front key projection piece is free to engage with and separate from the front fence right key projection piece,

The right fence rear key projection piece is free to engage with and separate from the rear fence right key projection piece,
The left fence is slightly smaller than the left and right width of the base plate, the left and right width is slightly smaller than the front and rear width of the base plate,
Connect the semicircular frame to the lower half of the quadrilateral frame,

Projecting forward to the front end of the upper side of the quadrilateral frame body, connecting a downwardly-facing key projection piece to the front of the left fence key projection piece, the front of the left fence key projection piece is the front fence left key projection piece and It is free to engage and disengage,
Projecting backward at the rear end of the upper side of the quadrilateral frame body, connecting the key protrusion facing downward and the left fence key protrusion behind,

The back of the left fence key piece is free to engage and disengage from the rear fence left key piece,
Provide a projecting piece protruding to the left at the approximate center of the semicircular frame,
A projecting piece is provided projecting downward at the center of the lower side of the left fence, and is a left fence lower projecting piece,

The left rail lower projecting piece can be freely inserted into and removed from the left central hole,
Protruding pieces projecting in the front and rear directions at both ends of the lower left side of the left fence to form a left fence outer protruding piece,
Each of the left fence outer projecting pieces penetrates the bowl-shaped member so as to rotate and float, and the open both ends of the bowl-shaped member are connected and fixed to the upper surface of the base plate,

The left rail outer protrusion is fixed to the base plate rotatably,
The left fence lower protruding piece penetrates into the left central hole and stands and is fixed, and the right fence lower protruding piece penetrates into the right center hole and is fixed and fixed,
Establish the front fence and the rear fence,

The front fence right key protrusion piece and the rear fence right key protrusion piece are engaged with the right fence key protrusion pieces at both ends of the upper side of the right fence, and the front fence and the rear fence are fixed. The front and left fence protrusions are hooked on one side, and the rear and left fence protrusions on the left fence hook are hooked together.

The invention of claim 2
The wheel and the handle are not provided on the base plate.
The invention of claim 3
A gap was provided at a central part of the lower side of the front fence, the rear fence, the right fence, or the left fence.
The invention of claim 4
The hook-shaped member connected to the top surface of the base plate is formed by punching the base plate into a convex shape.

According to the invention of claim 1, from the completed state,
Pull up the left fence, pull out the left fence lower protrusion from the left fence protrusion hole, disengage the front of the left fence lock protrusion and the front fence left lock protrusion, behind the left fence lock protrusion and the rear fence left lock Unhook the projecting piece, lay the left rail on the base plate,

Next, pull up the right fence, pull out the right fence lower protrusion from the right fence protrusion hole, unhook the right fence front lock protrusion and the front fence right lock protrusion, and the right fence rear lock protrusion and rear. Unlocking the fence right key projecting piece, placing the front fence and the rear fence sideways on the left fence, placing the right fence sideways on the front fence and the rear fence,

Store the handle protruding upward from between the recesses on the right fence,
Since the right fence protruding frame is located on the right fence, even when all the fences are stored, the load can be loaded inside the right fence protruding piece frame, and the right fence protruding frame can prevent the load from falling and can be carried. is there.

When the handle is lifted and the left fence is raised, the semicircular part of the left fence slides on the upper sides of the front and rear fences, and the front and rear fences rise simultaneously.
At the same time, the upper fence of the front fence and the rear fence are in sliding contact with the upper edge of the right fence, and the right fence stands, so the right fence lower part is inserted into the right protrusion hole, and the right fence is erected and fixed.

The right fence front key protrusion and the front fence right key protrusion are hooked and the front fence is erected and fixed, the right fence rear key protrusion and the rear fence right key protrusion are hooked, and the rear fence is erected and fixed.
Pull up the left fence, penetrate the left fence lower protrusion into the left protrusion hole, engage the left fence lock piece and the front fence left lock piece,

When the left fence is fixed upright by hooking the left fence key protrusion behind and the left fence lock piece, it becomes a cart with a folding frame.
According to the invention of claim 2, an existing commercially available cart can be easily converted to a cart with a folding frame by connecting a base plate to the upper surface of an existing commercially available cart without providing wheels and handles on the base plate. it can.

According to the invention of claim 3, by providing a gap in the central part of the lower side of the front fence, the rear fence, the right fence and the left fence, after connecting the bowl-shaped member to the base plate,
The left and right sides of each of the front, rear, right, and left fences are compressed in the center direction,

It is possible to connect the outer protruding pieces of the rear fence, the outer protruding pieces of the right fence, and the outer protruding pieces of the left fence so as to be able to rotate and float through the hook-shaped member. The troublesome connection to the shape member while penetrating each fence can be eliminated.

  According to the invention of claim 4, the bowl-shaped member is formed by arranging the bowl-shaped member-constituting convex frame and the concave mold frame at the plate-shaped member-constituting position of the flat plate constituting the base plate to constitute the bowl-shaped member. By doing so, the base plate and the bowl-shaped member can be integrated.

The present invention will be described with reference to the drawings.
A left fence protruding piece hole 2 is provided at substantially the center of the upper left edge of the base plate 1 or a cylinder-shaped object is connected to form a left fence protruding piece hole 3.
The right fence protruding piece hole 4 is provided at the approximate center of the right edge, or a cylindrical shaped object is connected to form the right fence cylindrical protruding piece hole 5,

Wheels 31 are provided before and after the left and right edges of the bottom surface of the base plate 1,
Connect the open ends of the п-shaped member to the top or side of the back to make the handle 32,
The front and rear right fence outer projecting pieces 18 pass through the bowl-shaped member 6 so as to freely rotate and float, and the right fence 14 is rotatably fixed to the base plate 1.

The right fence lower protrusion 15 is inserted into the right fence protrusion hole 4, and the right fence 14 is fixed upright on the right side of the base plate 1,
The left and right front fence outer projecting pieces 24 penetrate the bowl-shaped member 6 so as to be able to rotate and float, and the front fence is rotatably fixed to the base plate 1.
The front fence right key protrusion and the right fence front protrusion 16 are hooked, and the front fence is erected,

The left and right rear fence outer protrusions penetrate the bowl-shaped member 6 so as to be able to rotate and float, and the rear fence 26 is rotatably fixed to the base plate 1.
The rear fence right key protrusion 28 and the right fence rear key protrusion 17 are engaged, and the rear fence 26 is erected,

The front and rear left fence outer protrusions 12 are pierced through the bowl-shaped member 6 so as to be able to rotate and float, and the left fence 7 is rotatably fixed to the base plate 1.
Through the left fence lower protrusion 9 through the left fence protrusion 2,

Fix the left fence 7 upright on the left side of the base plate 1,
Multiply the left fence key piece 10 and the front fence left key piece 22,
When the rear fence key protrusion 11 and the rear fence lock 27 are engaged, a cart with a folding fence is completed.

  Pull up the left fence 7, remove the left fence lower protrusion 9 from the left fence protrusion hole 2, unhook the left fence key protrusion 10 and the front fence left lock protrusion 22, and behind the left fence lock protrusion 11 and 11 and the rear fence left key protrusion 27 is released, the left fence 7 is laid down on the base plate 1,

Next, the right fence 14 is lifted, the right fence lower protrusion 15 is removed from the right fence protrusion hole 4, the right fence front lock protrusion 16 and the front fence right lock protrusion 23 are released, and the right fence rear Unlock the key protrusion 17 and the rear fence right key protrusion 28 and place the front fence 21 and the rear fence 26 sideways on the left fence 7,

When the right fence 14 is placed sideways on the front fence 21 and the rear fence 26, the right fence protruding frame 19 is positioned on the right fence 14, and the handle 8 protrudes upward from between the recesses of the right fence 14. Can be stored.
From the stowed state, pull up the handle 8 and erect the left rail 7.

The semicircular portion of the left fence 7 is in sliding contact with the upper sides of the front fence 21 and the rear fence 26, and the front fence 21 and the rear fence 26 are simultaneously raised.
At the same time, the upper side of the front fence 21 and the rear fence 26 is in sliding contact with the upper side of the right fence 14 so that the right fence 14 stands.

The right fence lower protrusion 15 is inserted into the right fence protrusion hole 4 and the right fence 14 is fixed upright,
The right fence front key protrusion 16 and the front fence right key protrusion 23 are hooked and the front fence 21 is fixed upright, and the right fence rear key protrusion 1728 and the rear fence right key protrusion are hooked and the rear fence 26 is set up. Fixed,

Pull up the left fence 7, penetrate the left fence lower protrusion 9 into the left fence protrusion hole 2, engage the left fence lock protrusion 10 and the front fence left lock protrusion 22, and the left fence lock protrusion 11 When the rear fence left key protruding piece 27 is engaged and the left fence 7 is fixed upright, it becomes a cart with a folding frame.

As shown in FIG. 8, the commercial cart 35 can be easily remodeled into a cart with a folding frame by fixing the main body 32 to the commercial cart 35 with a flange 34.
The front fence gap 25 is provided at the lower central part of the front fence 21, and the rear fence gap 30 is provided at the lower central part of the rear fence 26.

A right fence gap 20 is provided at the lower middle part of the right fence 14, or a left fence gap 13 is provided at the lower middle part of the left fence 7,
After connecting the bowl-shaped member 6 to the base plate 1, the left and right sides of each fence can be compressed in the center direction, and the outer protrusions of each fence can be connected to the bowl-shaped member 6 in a freely rotatable manner. Become.

As shown in FIG. 9, a concave mold 36 is placed on the upper surface of each bowl-shaped member constituting position 38 of the base plate 1, and a convex mold 37 is placed on the opposite lower surface, and the base plate 1 is pressed by the concave mold 36 and the convex mold 37. It is possible to configure the bowl-shaped member 6 and to sequentially move the concave mold 36 and the convex mold 37 to the respective bowl-shaped member configuration positions 38 to configure the respective bowl-shaped members 6.

The completed perspective view of the present invention. The top view which developed the fence of the present invention. The top view which accommodated the fence of this invention. The top view which decomposed | disassembled this invention. The figure which shows the engagement of the back fence left key protrusion piece and the left fence key protrusion piece of this invention, and the engagement of a back fence right key protrusion piece and a right fence back key protrusion piece. It is a figure which shows the state of through-hole installation in the baseplate of this invention, (A) is a right fence protrusion piece hole, (B) is a right fence cylinder protrusion piece hole, (C) is a left fence protrusion piece hole, (D) is the figure which provided the right fence cylinder protrusion piece hole. (A) of the present invention is a right fence, (B) is a left fence, (C) is a front fence, (D) is a view in which a gap is provided in a central portion of the lower side of the rear fence, (E) is a lower side of the left fence. The figure in the middle of pushing down in the center direction and connecting a left fence outer side protrusion to a bowl-shaped member. It is a figure which modifies the present invention by connecting it to a commercial cart, (A) is a figure in the middle of modification, and (B) is a figure of modification completion. The figure which forges the baseplate of this invention, and comprises a bowl-shaped member, (A) is the figure which installed the concave shape and the convex type in the bowl-shaped member structure position, (B) is the figure of integral configuration completion.

1 Base plate 2 Left fence protrusion piece 3 Left fence cylinder protrusion hole 4 Right fence protrusion piece hole 5 Right fence cylinder protrusion piece hole 6 Saddle-shaped member 7 Left fence 8 Handle 9 Left fence downward protrusion 10 Left fence key protrusion Front 11 Left fence key protrusion 12 Left fence outer protrusion 13 Left fence gap 14 Right fence 15 Right fence downward protrusion 16 Right fence front protrusion 17 Right fence rear protrusion 18 Right fence outer protrusion 19 Right fence Protruding frame 20 Right fence gap 21 Front fence 22 Front fence left key protrusion 23 Front fence right key protrusion 24 Front fence outer protrusion 25 Front fence gap 26 Rear fence 27 Rear fence left key protrusion 28 Rear fence right key protrusion 29 Rear fence outer protrusion 30 Rear fence gap 31 Wheel 32 Handle 33 Body 34 鋲 35 Commercial cart 36 Concave 37 Convex 38 ∩-shaped member configuration position

Claims (4)

A square plate-shaped body with a pair of opposing sides as left and right, and the other opposite side as front and back, and a number of fences standing in front of the front and rear, left and right peripheral edges of the top surface of the base plate. And put a plate or net on the inside of each fence,
Of the base plate,
A through-hole is provided at the approximate center of the upper left side edge to make a left fence protrusion piece hole, or a cylindrical shaped object is connected to make a left fence cylinder protrusion piece hole,
A through hole is provided at the approximate center of the right side of the upper surface to form a right fence protrusion piece hole, or by connecting a cylindrical object to form a right fence cylinder protrusion piece hole,
Provide wheels around the left and right edges on the bottom,
Connect the open ends of the п-shaped member to the top or side of the back to make a handle,
Each of the fences constituting the fence is a front fence in front of the base plate, a rear fence in the rear, a right fence on the right, and a left fence on the left.
The height of each of the front fence and the rear fence is slightly smaller than approximately half of the front and rear width of the base plate, and the left and right width is a substantially quadrilateral shape slightly smaller than the left and right width of the base plate. Protruding pieces projecting in the direction are provided as front fence outer protruding pieces,
Protruding pieces projecting in the left-right direction are provided at both ends of the lower side of the rear fence, and the front fence outer protruding pieces penetrate the hook-shaped member so as to be rotatable and floatable, and open ends of the hook-shaped member are provided. , Fixed by connecting to the upper surface of the base plate, the front fence is rotatably fixed to the base plate,
The rear fence outer projecting piece penetrates the bowl-shaped member so as to rotate and float, and the open ends of the bowl-shaped member are connected and fixed to the top surface of the base plate so that the rear fence can be freely rotated on the base plate. Fixed to
Provide a key-shaped protruding piece that protrudes rearward and protrudes upward at the right edge of the upper side of the front fence, and is a front fence right key protruding piece,
Provide a key-shaped protruding piece that protrudes forward and upwards at the right end of the upper side of the rear fence, and is a rear fence right key protruding piece,
Projecting in the left direction approximately at the center of the left side of the front fence, and providing a key protrusion facing upwards, a front fence left key protrusion,
Projecting in the left direction approximately at the center of the left side of the rear fence and providing an upward key protrusion, the rear fence left key protrusion,
The right fence has a concave shape whose height is slightly smaller than the left and right width of the base plate, and the left and right width is slightly smaller than the front and rear width of the base plate,
Protruding downwards at the center of the lower side and providing a protruding piece as a right fence downward protruding piece,
The right fence lower projecting piece can be inserted into and removed from the right central hole.
Protruding pieces projecting in the front and rear directions at both ends of the lower side of the right fence to provide a right fence outer protruding piece,
Each of the right fence outer projecting pieces penetrates the bowl-shaped member so as to rotate and float, and the open ends of the bowl-shaped member are connected and fixed to the upper surface of the base plate,
Fixing the right fence outer protrusion to the base plate rotatably,
When the right fence is placed sideways on the top surface of the base plate, a frame is provided to protrude upward on all sides except the concave portion, and a right fence protruding frame is provided.
Protruding inwardly at the front end of the upper side of the right fence, and providing a key-shaped projecting piece facing downward, and a key projecting piece in front of the right fence,
Protruding inwardly at the rear edge of the upper side of the right fence, and providing a key-shaped projecting piece facing downward, as a right fence rear key projecting piece,
The right fence front key projection piece is free to engage with and separate from the front fence right key projection piece,
The right fence rear key projection piece is free to engage with and separate from the rear fence right key projection piece,
The left fence is slightly smaller than the left and right width of the base plate, the left and right width is slightly smaller than the front and rear width of the base plate,
Connect the semicircular frame to the lower half of the quadrilateral frame,
Projecting forward to the front end of the upper side of the quadrilateral frame body, connecting a downwardly-facing key projection piece to the front of the left fence key projection piece, the front of the left fence key projection piece is the front fence left key projection piece and It is free to engage and disengage,
Projecting backward at the rear end of the upper side of the quadrilateral frame body, connecting the key protrusion facing downward and the left fence key protrusion behind,
The back of the left fence key piece is free to engage and disengage from the rear fence left key piece,
Provide a projecting piece protruding to the left at the approximate center of the semicircular frame,
A projecting piece is provided projecting downward at the center of the lower side of the left fence, and is a left fence lower projecting piece,
The left rail lower projecting piece can be freely inserted into and removed from the left central hole,
Protruding pieces projecting in the front and rear directions at both ends of the lower left side of the left fence to form a left fence outer protruding piece,
Each of the left fence outer projecting pieces penetrates the bowl-shaped member so as to rotate and float, and the open both ends of the bowl-shaped member are connected and fixed to the upper surface of the base plate,
The left rail outer protrusion is fixed to the base plate rotatably,
The left fence lower protruding piece penetrates into the left central hole and stands and is fixed, and the right fence lower protruding piece penetrates into the right center hole and is fixed and fixed,
The front fence and the rear fence are erected, and the front fence right key protrusion piece and the rear fence right key protrusion piece are engaged with the right fence key protrusion pieces on both ends of the right fence, and the front fence The rear fence is fixed, the left fence key piece front and the front fence left key piece are engaged, and the left fence key piece rear and the rear fence left key piece are engaged. A cart with a folding fence.   The cart with a folding fence according to claim 1, wherein the wheel and the handle are not provided on the base plate.   The cart with a folding fence according to claim 1 or 2, wherein a gap is provided in a central portion of a lower side of the front fence, the rear fence, the right fence, or the left fence.   The cart with a folding fence according to claim 1 or 2, wherein the flange-shaped member connected to the upper surface of the base plate is formed by punching the base plate into a convex shape.

Images