fire table

Abstract

The invention provides a fire pit having a grate in which a first bottom plate and a second bottom plate are connected by a hinge-like connecting portion to form a valley portion, and a pair of side panels erected in opposition to each other to support the grate, the first and second side panels being detachable with respect to the grate and curved in a convex shape toward the inside of the fire pit when mounted on the grate. The invention provides a portable fire pit in which the grate becomes a large shape when in use, wood can be freely placed to enjoy a bonfire, and the fire pit is small when folded, easy to carry in a backpack or the like, lightweight and easy to assemble, and even when picked up after assembly, the components do not come loose, and the fire pit has sufficient strength to withstand a load from above.

Description

Technical Field

[0001] This invention relates to a portable fire pit for use in the field. Background Technology

[0002] Camping, including outdoor activities, is usually done by large groups of people, such as families and friends. One of the joys of camping is piling up lots of firewood and gathering around a campfire. However, in recent years, there has been an increase in people enjoying "solo camping." When camping alone, it's better to pack light; for example, a small portable fire pit that can fit in a backpack is ideal for cooking and keeping warm.

[0003] Therefore, portable fire pits need to be small for easy transport, and the grate should be as large as possible to hold more firewood and make it more enjoyable. If the grate is large, it can be used not only by one person but also by many people around it.

[0004] In addition, portable incinerators should be as easy to assemble as possible.

[0005] Existing portable fire pits, if designed to be lightweight and compact, will inevitably have small grates, limiting the amount of firewood that can be used. For example, if standard-sized firewood is sold, only 3 to 4 sticks can usually be used.

[0006] In addition, there are problems such as the large number of parts that make up the fire platform difficult to assemble, and the parts becoming loose when picked up after assembly.

[0007] Existing technical documents

[0008] Patent documents

[0009] Patent Document 1: Japanese Patent Application Publication No. 2017-172893

[0010] Patent Document 2: Japanese Patent 6900077 Summary of the Invention

[0011] The problem that the invention aims to solve

[0012] Therefore, there is a need for a portable fire stand with the following features: when in use, the grate takes on a large shape, allowing for the free placement of firewood to enjoy the fire; it folds up into a small size, making it easy to carry with a backpack or similar item; it is lightweight and easy to assemble; even when picked up after assembly, its components will not loosen; and it has sufficient strength to withstand loads from above.

[0013] The present invention is a technology proposed in view of the following circumstances.

[0014] That is, a portable fire stand is provided, which has excellent storage when not in use, but when in use, the grate becomes large enough to freely place firewood. It is easy to assemble, and the parts will not loosen even when picked up after assembly. It also has the strength to fully withstand the load from above, and the connection between the parts is more secure when in use.

[0015] Solutions for solving technical problems

[0016] The present invention provides a fire platform having a grate and a pair of side panels erected opposite each other to support the grate, the fire platform being characterized in that:

[0017] In the grate, the first bottom plate and the second bottom plate are connected by a hinge-like connection, forming a valley with the hinge-like connection as the base.

[0018] The first and second side panels, which are the pair of side panels, are detachable from the grate and, when installed on the grate, are bent in a convex shape toward the inside of the burner.

[0019] The fire platform is further characterized in that the first base plate and the second base plate each have protrusions on two sides that are perpendicular to the hinge-like connecting part.

[0020] The first side panel and the second side panel each have a roughly V-shaped gap.

[0021] The protrusion is fitted into the gap for assembly.

[0022] Invention Effects

[0023] The present invention provides a robust portable fire stand with fewer components and a more secure connection between the components during use, thanks to its flexible side panels.

[0024] The aforementioned grate can be folded for storage because the first and second base plates are connected by a hinge-like joint. When in use, the grate is nearly square; when folded in half, it becomes rectangular and smaller.

[0025] The aforementioned side panel is detachable from the aforementioned grate and is installed on the aforementioned grate in a convex manner toward the inside of the combustion chamber.

[0026] The aforementioned side panel has a roughly V-shaped slit, and a protrusion is provided on the bottom plate of the grate. This protrusion fits into the slit, connecting the side panel and the bottom plate, so the connection will not disengage even when the grate is lifted by hand. The more weight is applied to the bottom of the grate, the stronger the connection between the side panel and the grate becomes. Lightweight construction is achieved through thin sheet metal construction, a small folding size is achieved through segmentation, and a robust structure is achieved without the feeling of structural fragility caused by segmented components.

[0027] Furthermore, the aforementioned grate has a valley formed at its base with a hinged connection. Compared to a flat grate, forming a valley allows soot and charcoal to accumulate more easily, preventing soot from scattering and facilitating soot processing. Attached Figure Description

[0028] Figure 1 This is a perspective view of the incinerator platform of the present invention.

[0029] Figure 2 This is a front view of the fire-burning platform.

[0030] Figure 3 This is an overhead view of the fire-burning platform.

[0031] Figure 4(a) is the first diagram of the assembly steps of the incinerator of the present invention.

[0032] Figure 4(b) is the second diagram showing the assembly steps of the incinerator of the present invention.

[0033] Figure 4(c) is the last diagram of the assembly steps of the incinerator of the present invention.

[0034] Figure 5 This is an explanatory diagram of the assembled structure of the incinerator.

[0035] Figure 6 This is an illustration of applying a load to the grate.

[0036] Figure 7 This is a picture of the incinerator being stored away. Detailed Implementation

[0037] Hereinafter, embodiments of the incinerator of the present invention will be described using the accompanying drawings.

[0038] Figure 1 This is a three-dimensional diagram representing an invention called a fire platform.

[0039] The fire platform 1 has a grate 2 and a pair of side panels, namely the first side panel 4a and the second side panel 4b, which are erected opposite each other to support the grate 2.

[0040] In the aforementioned grate 2, the first bottom plate 3a and the second bottom plate 3b are connected by a hinge-like connecting part 5. The aforementioned grate 2 forms a valley with the hinge-like connecting part 5 as its bottom.

[0041] The first side panel 4a and the second side panel 4b are detachable from the grate 2 and are installed on the grate 2 in a convex shape toward the inside of the combustion chamber.

[0042] The support part 8 is a metal round bar, which is fixed to both ends of the outer sides of the first and second base plates using metal fittings 10. The support part 8 serves both to support the furnace frame 9 and as a foot.

[0043] This fire pit is used not only for heating but also for cooking. It consists of placing firewood on the grate 2, lighting it, installing the stove rack 9, and placing a clay pot, iron pot, or iron plate (not shown, hereinafter referred to as a pot) containing food on the stove rack 9 for cooking. The stove rack 9 is installed in a movable manner.

[0044] Figure 2 This is a front view of the fire-burning platform.

[0045] The first side panel 4a has multiple air holes 11, a generally V-shaped slit 12, and cutouts 13a and 13b. The second side panel 4b is the same.

[0046] The aforementioned air holes 11 are generally formed into an inverted triangular shape by combining all the air holes. The two sides of this inverted triangular shape are combined along the inverted V-shape of the aforementioned slit 12, forming a combination of multiple air holes in both the inverted triangular and triangular shapes.

[0047] The aforementioned roughly V-shaped slit 12 is used to fit into the first side panel 4a and the second side panel 4b of the aforementioned grate 2.

[0048] The aforementioned cutout portions 13a and 13b are approximately quadrilateral in shape, used to achieve structural lightweighting, and are formed symmetrically about the vertical center line of the aforementioned side panel.

[0049] Furthermore, at the lower right end of the first side panel 4a, there is a cylindrical portion 15a formed by bending inward, and at the lower left end, there is a hole portion 15b formed by bending inward. This is for inserting the end of the support portion 8 into the cylindrical portion.

[0050] The second side panel 4b described above has the same structure as the first side panel 4a described above.

[0051] The aforementioned side panel is a thin metal sheet, preferably one that can be bent to a certain extent.

[0052] The aforementioned side panels serve to prevent wind during ignition, thus preventing ash and sparks from flying and ensuring the fire does not go out.

[0053] The material for the incinerator is preferably stainless steel, which is strong and does not dissipate heat, but it is not limited to this. The strength and heat-induced deformation are sufficient to be comparable to that of SUS304 steel (JIS standard), brass is preferred, or titanium is preferred for weight reduction.

[0054] The thickness of the stainless steel is preferably around 0.3 mm, but it is not limited to this. As long as it can be bent, it is not limited to stainless steel.

[0055] Figure 3 This is a top view of the grate.

[0056] The aforementioned grate 2 is connected to the first bottom plate 3a and the second bottom plate 3b by a hinge-like connecting part 5, and has a plurality of straight air holes 17. The first bottom plate 3a and the second bottom plate 3b have the same shape.

[0057] The aforementioned air holes 17 are located at a position perpendicular to the hinge-like connecting part 5 and are arranged in parallel.

[0058] The first base plate has protrusions 6a and 7a on two sides perpendicular to the hinge-like connecting portion. Similarly, the second base plate has protrusions 6b and 7b on two sides perpendicular to the hinge-like connecting portion. These protrusions are used to fit into the generally V-shaped gap 12 of the side panel. Although they are located on the two sides perpendicular to the hinge-like connecting portion, they are more preferably located on the hinge-like connecting portion side.

[0059] When stored, the aforementioned grate 2 can be folded in half with the hinge-like connecting part 5 as the center line. During assembly, first open the grate 2 to 180 degrees and align it with the gap 12 of the aforementioned side panel.

[0060] Figures 4(a) to 4(c) This is a diagram illustrating the assembly steps of the incinerator platform of the present invention.

[0061] Figure 4(a) is the first diagram of the assembly steps.

[0062] The folded grate 2, which was stored in the oven, is opened until the angle formed by the first base plate 3a and the second base plate 3b is 180 degrees.

[0063] The first side panel 4a is not bent, and the end 16a of the support part 8 of the first bottom plate 3a fixed to the grate 2 is inserted into the cylindrical part 15a at the right end of the first side panel 4a.

[0064] Similarly, the end 16b of the support portion of the second base plate 3b is inserted into the cylindrical portion 15b at the left end of the first side panel 4a.

[0065] Figure 4(b) is the second diagram of the assembly steps.

[0066] The grate is pressed vertically downward with the hinge-like connecting part 5 as the center, so that the angle between the first bottom plate 3a and the second bottom plate 3b is less than 180 degrees. At the same time, the first side panel 4a is bent inward toward the grate 2, so that the protrusions 6a of the first bottom plate and the protrusions 6b of the second bottom plate fit into the gap 12 of the first side panel.

[0067] Figure 4(c) is the last diagram of the assembly steps.

[0068] The second side panel 4b on the opposite side is also installed on the grate 2 in the same manner as described above, thus completing the assembly.

[0069] Therefore, the aforementioned incinerator is characterized by being assembled in the following manner: the grate is opened so that the angle formed by the first base plate and the second base plate is 180 degrees, and the hinge-like connecting part is pressed vertically downward in such a way that the angle is less than 180 degrees, while the first side panel and the second side panel are bent toward the inside of the grate 2, so that the protrusions of the first base plate and the second base plate fit into the gaps of the first side panel and the second side panel respectively.

[0070] Furthermore, the incinerator has the following features: the first base plate and the second base plate are respectively provided with a support portion of a round bar, so that the furnace frame can be installed in a movable manner. The support portion serves as a foot to support the incinerator. The ends of the support portion on both sides of the first base plate are respectively inserted into the right end of the first side panel when viewed from the outside and the left end of the second side panel when viewed from the outside. The ends of the support portion on both sides of the second base plate are respectively inserted into the left end of the first side panel when viewed from the outside and the right end of the second side panel when viewed from the outside.

[0071] Figure 5 This is an explanatory diagram of the assembled structure of the aforementioned incinerator.

[0072] After assembly, the grate 2 has three "beams". One is a hinge-like connecting part 5 located at the center of the grate 2, and the other two are the outer edges 14a of the first base plate 3a and the outer edges 14b of the second base plate 3b.

[0073] The three beams mentioned above form a robust structure that supports the vertical load.

[0074] Figure 6 This is an illustration of applying a load to the grate.

[0075] For example, when firewood is placed in the grate, a load is applied from above. When a load is applied from above to the grate, force is applied from the outside of the first and second base plates toward the hinge-like connecting part 5, which is the center, and the side panel bends further inward, making the connection stronger.

[0076] Therefore, when firewood is placed on this fire pit in actual use, the outer side of the base plate bends inward and the side panels bend even more inward due to the load from above.

[0077] As a result, the connections between the various parts become more secure when firewood is placed inside.

[0078] Furthermore, due to the use of a structure that adapts to changes in the ground surface when the incinerator is placed, as well as the deformation of the panels caused by heat, the connections between the components are strong and the durability is excellent.

[0079] Figure 7 This is a diagram of the incinerator being stored.

[0080] The square grate can be folded in half for compact rectangular storage. With few parts and a thin profile, it's easy to carry in a backpack or similar device.

[0081] Industrial availability

[0082] When in use, the grate of the fire stand of the present invention takes on a large shape, allowing for free placement of firewood to enjoy the pleasure of burning firewood. When folded, it becomes a small structure, making it easy to carry with a backpack or similar device. It is also lightweight and easy to assemble. Even when picked up after assembly, its structure will not loosen and it has sufficient strength to withstand the load from above. The connection between the various components is more secure during use.

[0083] Explanation of reference numerals in the attached figures

[0084] 1 fire tower

[0085] 2 grates

[0086] 3a First base plate

[0087] 3b Second base plate

[0088] 4a First side panel

[0089] 4b Second side panel

[0090] 5 Hinged Connector

[0091] 6a The convex part of the first base plate

[0092] 6b Projection of the second bottom plate

[0093] 7aProtruding portion of the first base plate

[0094] 7b Projection of the second bottom plate

[0095] 8a Support for furnace frame installation on the first bottom plate

[0096] 8b Support for furnace frame installation on the second bottom plate

[0097] 9 furnace racks

[0098] 10 Metal Fittings

[0099] 11 air holes

[0100] 12. Gap in the first side panel

[0101] 13a The cutout portion of the first side panel

[0102] 13b The cutout section of the first side panel

[0103] 14a The outer edge of the first base plate

[0104] 14b The outer edge of the second base plate

[0105] 15a First side panel cylindrical portion

[0106] 15b First side panel cylindrical portion

[0107] The end of the support for mounting the furnace frame on the first bottom plate of 16a

[0108] The end of the support for mounting the furnace frame on the second bottom plate of 16b

[0109] 17 air holes.

Claims

1. A fire platform having a grate (2) and a pair of side panels erected opposite each other to support the grate (2), characterized in that: in the grate (2), a first bottom plate (3a) and a second bottom plate (3b) are connected by a hinge-like connection (5), forming a valley with the hinge-like connection (5) as the bottom; the first side panel (4a) and the second side panel (4b), which are the pair of side panels, are detachable relative to the grate (2), and when installed on the grate (2), they are bent in a convex shape toward the inside of the fire platform; the first bottom plate (3a) and the second bottom plate (3b) each have a protrusion on two sides perpendicular to the hinge-like connection (5); and the first side panel (4a) and the second side panel (4b) each have a V-shaped gap. The protrusion is fitted into the gap for assembly; in the incinerator, when not in use, the grate (2) is folded with the hinge-like connecting part (5) as the center line, and when in use, it is assembled in the following manner: the grate (2) is opened so that the angle formed by the first bottom plate (3a) and the second bottom plate (3b) is 180 degrees, the grate (2) is pressed vertically downward with the hinge-like connecting part (5) as the center, so that the angle is less than 180 degrees, and the first side panel (4a) and the second side panel (4b) are bent towards the inside of the grate (2) respectively, so that the protrusion of the first bottom plate (3a) and the protrusion of the second bottom plate (3b) fit into the gap of the first side panel (4a) and the second side panel (4b) respectively.

2. The incinerator platform as described in claim 1, characterized in that: The first base plate (3a) and the second base plate (3b) are respectively provided with cylindrical support parts (8), so that the furnace frame can be installed in a movable manner. By inserting the ends of the support parts (8) on both sides of the first base plate (3a) into the right end of the first side panel (4a) when viewed from the outside and the left end of the second side panel (4b) when viewed from the outside, respectively, and by inserting the ends of the support parts (8) on both sides of the second base plate (3b) into the left end of the first side panel (4a) when viewed from the outside and the right end of the second side panel (4b) when viewed from the outside, the support parts (8) serve as feet to support the fire platform.

Images