CN216776774U - Camping stove for picnic - Google Patents

Abstract

The utility model relates to a camping stove for picnic, comprising a stove body, a stove cover which can be covered on the opening of the stove body, a panel and a gas burner are horizontally arranged in the stove body at intervals, an upper gap and a lower gap are left between the panel and the bottom plate of the stove body to form a stove chamber, a mounting opening is arranged on the panel, the gas burner is arranged in the mounting opening, a fire cover of the gas burner is positioned on the upper surface of the panel, a base of the gas burner is positioned in the stove chamber, a gas joint which is in threaded connection with the mouth of a gas bottle is arranged on the bottom plate of the stove body, an air inlet hole is arranged in the gas joint, and the air inlet hole is in fluid communication with a gas inlet on the base of the gas burner. Compared with the prior art, the utility model is convenient for connecting the furnace body and the gas furnace, can effectively reduce the gas leakage probability and improve the use safety.

Description

Camping stove for picnic

Technical Field

The utility model relates to the field of stoves, in particular to a picnic camping stove.

Background

The gas type oven is a barbecue oven using gas as fuel, the performance of the gas type oven is between the carbon fire type oven and the electric heating type oven, and the gas type oven can not generate a large amount of smoke in the barbecue process like the carbon fire type oven, and can not lose the flavor of barbecue food like the electric heating type oven.

The gas type oven needs to cooperate outdoor liquefied gas steel bottle to use when the field is used, generally makes the liquefied gas steel bottle be connected with the furnace end of oven through the mode of tube coupling. For example, the Chinese utility model patent ZL202021891645.6(CN214128251U) is an integrated multifunctional oven, and the Chinese invention patent CN201711184109.5 (publication CN107854004A) is a gas oven. The liquefied gas steel bottle is connected with the furnace end of the barbecue oven through a pipeline and needs to prepare a special gas connecting pipe, and not only is the operation inconvenient, but also the problem of gas leakage exists.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a safe and convenient picnic camping stove connected with a gas bottle in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a camping stove for picnic is composed of a main body with a box shape and a cover able to cover the opening of main body, and features that a panel with a mounting hole and a gas burner with a fire cover on the top surface of panel and a base in said furnace cavity are horizontally arranged in said main body.

Further, the gas joint is also provided with an ejector pin for ejecting a pressure relief opening of the gas bottle. When the bottle opening of the gas bottle is in threaded connection with the gas joint, the ejector pin is inserted into the pressure relief opening to jack the pressure relief opening, so that the pressure relief opening and the gas inlet in the gas joint are opened, and gas in the gas bottle sequentially enters the gas burner through the pressure relief opening, the gas inlet and the gas inlet.

The gas valve comprises a valve body, a gas cavity with an air inlet and an air outlet is arranged in the valve body, an air inlet of the gas joint is communicated with the air inlet of the gas cavity in a fluid mode, and the air outlet of the gas cavity is communicated with the gas inlet through an air inlet pipe. The gas inlet on the gas joint can be communicated with the gas inlet through the gas valve.

Further, the gas joint is an integrated piece with the valve body, the valve body is cylindrical in shape, the cylindrical gas joint is fixed at the center of the bottom surface of the valve body, the air inlet hole is formed in the bottom wall of the valve body where the gas joint is located, the hole wall of the air inlet hole extends to the cavity wall of the gas cavity to form the air inlet, and the ejector pin vertically extends and is fixed to the bottom surface of the valve body where the gas joint is located. Therefore, the gas joint is simple in structure and stable in installation, and the air inlet of the gas joint is better communicated with the air inlet of the valve body.

Further, gas burner's base includes pedestal, nozzle and draws and penetrates the pipe, and wherein, the appearance that the above-mentioned pipe was penetrated to draw is cylindric, should draw and penetrate the vertical wearing and establish in above-mentioned installing port of pipe, and the appearance of above-mentioned pedestal is discoid, and the upper port that the above-mentioned was penetrated the pipe inserts and links in the centre bore of this pedestal, and above-mentioned fire lid covers and establishes on this pedestal, and encloses into the gas mixing chamber between this fire lid and the pedestal, and the appearance of above-mentioned nozzle is cylindricly, and its upper end links to each other with the lower port that the above-mentioned pipe was penetrated and has seted up the spout, and has seted up above-mentioned gas air inlet on the lateral wall of this nozzle. The fuel gas enters the nozzle from the fuel gas inlet, then is injected into the injection pipe through the nozzle of the nozzle, and finally enters the gas mixing cavity through the injection pipe.

Further, the fire lid is the cover body that the appearance is round platform form, and the lower extreme of this fire lid has a fire hole along the circumference equipartition, and one side of this fire lid is provided with ignition needle and rectangular form ignition board respectively, and this ignition board sets up towards the slope of fire lid for vertical direction, and the upper end of this ignition board is relative inside and outside with the electrode needle of ignition needle, and the upper end of this ignition board is folded and is established on above-mentioned fire hole and has been laid steady fire hole, and each steady fire hole is folded respectively with the play fire hole part that corresponds and is established. The gas flow velocity at the fire hole is fast, and the gas flow at the ignition hole opposite to the ignition needle is stabilized by the ignition plate, so that smooth ignition is ensured.

Furthermore, both ends are articulated respectively about the bell have the deep bead, and under the user state, two deep beads are located the left and right sides of above-mentioned furnace body respectively, and under the state of accomodating, two deep beads can be rotated respectively and accomodate to the bell in. The wind shields on the two sides block air flows on the two sides of the gas burner, and the problem that the normal combustion of gas is influenced due to the fact that the air flow rate (namely the air speed) of a fire cover accessory of the gas burner is too high is avoided.

Furthermore, each wind screen is provided with a wind guide hole, and the wind guide holes on the wind screens are respectively opposite to the left and the right of the rear side of the gas burner in the use state. Thus, air blown in through the air guide holes on the wind shields can supplement secondary air for the combustion of flame at the fire hole of the fire cover, and the full combustion of fuel gas is promoted.

Furthermore, the gas burners are arranged at intervals from left to right, two gas connectors are respectively arranged on the bottom plate of the furnace body, and each gas connector is in one-to-one correspondence with the gas burners. The two gas burners can be used simultaneously, and the cooking efficiency is improved.

Furthermore, a handle capable of horizontally stretching back and forth is arranged on the front surface of the furnace body. The camping stove for picnic is convenient to carry through the handle, the handle can stretch out and draw back horizontally, and the handle can be retracted to the front of the stove body when being stored, so that the storage volume of the camping stove for picnic is reduced, and meanwhile, the handle can be prevented from being collided with in the storage or transportation process.

Compared with the prior art, the utility model has the advantages that: the gas joint is arranged on the bottom plate of the stove body and is used for being in threaded connection with the bottle opening of the gas bottle, so that when the gas bottle is externally connected to the camping stove for picnic in the utility model, the bottle opening of the gas bottle only needs to be in threaded connection without being communicated through a pipeline, the operation is convenient, and the probability of gas leakage can be greatly reduced and the use safety is improved because the connecting pipeline does not exist between the gas bottle and the stove body.

Drawings

FIG. 1 is a schematic view of a picnic stove according to an embodiment of the present invention (in a state where a gas cylinder is not installed);

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a schematic view of a part of the structure of the camping stove for picnic in the embodiment of the present invention (with the bottom plate omitted);

FIG. 4 is another partial schematic view of the camping stove for picnic in an embodiment of the present invention (fire cover, ignition needle and ignition plate);

FIG. 5 is a schematic structural view of a gas burner according to an embodiment of the present invention;

FIG. 6 is an exploded view of the gas burner according to the embodiment of the present invention;

FIG. 7 is a schematic view showing the structure of a gas valve in the embodiment of the present invention;

FIG. 8 is a schematic structural view of a nozzle in an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a gas valve in an embodiment of the present invention;

fig. 10 is a schematic structural view of the camping stove for picnic in a state where the gas bottle is installed according to the embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 10, a camping stove for picnic includes a stove body 1, the stove body 1 is shaped like a box with an open upper portion, and further includes a lid 2 capable of covering the open upper portion of the stove body 1, in this embodiment, the rear end of the lid 2 is hinged to the stove body 1. A panel 12 and a gas burner 5 are horizontally arranged in the furnace body 1 at an interval, an upper and a lower gaps are left between the panel 12 and a bottom plate 11 of the furnace body 1 to form a furnace chamber 10, a mounting port 121 is opened on the panel 12, the gas burner 5 is installed in the mounting port 121, a fire cover 51 of the gas burner 5 is positioned on the upper surface of the panel 12, a base of the gas burner 5 is positioned in the furnace chamber 10, a gas joint 32 for being in threaded connection with a mouth of a gas bottle 20 is installed on the bottom plate 11 of the furnace body 1, an air inlet hole 321 is arranged in the gas joint 32, and the air inlet hole 321 is in fluid communication with a gas inlet 531 on the base of the gas burner 5. When the gas bottle 20 is externally connected to the camping stove for picnic in the utility model, the mouth of the gas bottle 20 is only required to be connected in a threaded manner, and the gas bottle 20 is not required to be communicated through a pipeline, so that the camping stove is convenient to operate, and the probability of gas leakage can be greatly reduced and the use safety can be improved because the connecting pipeline does not exist between the gas bottle 20 and the stove body 1.

Further, preferably, the gas joint 32 is further provided with a thimble 322 for pushing open a pressure release port of the gas bottle 20. When the mouth of the gas bottle 20 is in threaded connection with the gas joint 32, the thimble 322 is inserted into the pressure relief opening to open the pressure relief opening, so that the pressure relief opening is communicated with the air inlet 321 in the gas joint 32, and the gas in the gas bottle 20 enters the gas burner 5 through the pressure relief opening, the air inlet 321 and the gas inlet 531 in sequence.

Specifically, the camping stove for picnic in this embodiment further includes a gas valve 3 disposed in the oven cavity 10, the gas valve 3 includes a valve body 30, a gas chamber 31 having an inlet 311 and an outlet 312 is disposed in the valve body 30, an inlet 321 of the gas joint 32 is in fluid communication with the inlet 311 of the gas chamber 31, and the outlet 312 of the gas chamber 31 is in communication with the gas inlet 531 through an inlet pipe 4. The gas valve 3 can communicate the gas inlet 321 of the gas joint 32 with the gas inlet 531. Preferably, the gas joint 32 and the valve body 30 are formed as a single piece, the valve body 30 is cylindrical in shape, the cylindrical gas joint 32 is fixed to the center of the bottom surface of the valve body 30, the air inlet hole 321 is opened in the bottom wall of the valve body 30 where the gas joint 32 is located, the hole wall of the air inlet hole 321 extends to the cavity wall of the gas cavity 31 to form the air inlet 311, and the thimble 322 extends vertically and is fixed to the bottom surface of the valve body 30 where the gas joint 32 is located. Therefore, the gas joint 32 has simple structure and stable installation, and the gas inlet 321 of the gas joint 32 is better communicated with the gas inlet 311 of the valve body 30. In order to achieve a good screw connection between the gas inlet 531 and the mouth of the gas bottle 20, the inner circumferential surface of the gas joint 32 is provided with an internal thread 320. Meanwhile, the gas valve 3 further includes a valve rod 33, the gas cavity 31 is a hole extending along the radial direction of the valve body 30, an air inlet 311 of the gas cavity 31 is formed in a side wall of the gas cavity, one end of the gas cavity 31 penetrates through the surface of one end of the valve body 30 to form the air outlet 312, the other end of the gas cavity 31 penetrates through the surface of the other end of the valve body 30 to form an installation interface 314, the valve rod 33 is horizontally inserted into the installation interface 314, a control port 313 with a smaller caliber than the other part is formed in the middle of the gas cavity 31, the air inlet 311 is adjacent to the control port 313, one end of the valve rod 33 is a control end, the other end of the valve rod is an operation end, and a button 34 located on the front side of the furnace body 1 is installed on the operation end. The valve stem 33 is movable relative to the gas chamber 31 by a force applied to the push button 34 and has at least two states: in the first state, the control end of the valve rod 33 blocks the control port 313 and the gas inlet 311, and the gas chamber 31 is closed; in the second state, the control end of the valve body 30 is disengaged from the control port 313 and the intake port 311, and the gas chamber 31 is opened.

Further, the base of the gas burner 5 includes a base body 52, a nozzle 53 and an injection pipe 54, wherein the injection pipe 54 is cylindrical, the injection pipe 54 vertically penetrates through the mounting opening 121, the base body 52 is disc-shaped, an upper port of the injection pipe 54 is inserted into the central hole 521 of the base body 52, the fire cover 51 is covered on the base body 52, a gas mixing cavity is defined between the fire cover 51 and the base body 52, the nozzle 53 is cylindrical, an upper end of the nozzle is connected with a lower port of the injection pipe 54 and is provided with a spout 532, and the side wall of the nozzle 53 is provided with the gas inlet 531. The fuel gas enters the nozzle 53 through the fuel gas inlet 531, then is injected into the ejector pipe 54 through the nozzle 532 of the nozzle 53, and finally enters the air mixing cavity through the ejector pipe 54.

In this embodiment, the fire cover 51 is a cover body with a circular truncated cone shape, fire holes 511 are uniformly distributed at the lower end of the fire cover 51 along the circumferential direction, and an ignition needle 6 is disposed at one side of the fire cover 51. The gas flow rate at the fire outlet 511 is fast, in order to realize smooth ignition, a strip-shaped ignition plate 7 is arranged between the fire cover 51 and the ignition needle 6, the ignition plate 7 is vertically arranged, the upper end of the ignition plate 7 inclines towards the fire cover 51, the upper end of the ignition plate 7 is overlapped on the fire outlet 511 and is provided with a fire stabilizing hole 71, and each fire stabilizing hole 71 is overlapped with the corresponding fire outlet 511 part. Therefore, the gas flow of the ignition hole at the position opposite to the ignition needle 6 is stabilized through the ignition plate 7, and smooth ignition is ensured.

Further, the left end and the right end of the furnace cover 2 are respectively hinged with a wind shield 8, in a use state, the two wind shields 8 are respectively positioned at the left side and the right side of the furnace body 1, and in a storage state, the two wind shields 8 can be respectively rotatably stored in the furnace cover 2. The wind shields 8 on both sides block the air flow on both sides of the gas burner 5, so as to avoid that the air flow rate (i.e. wind speed) of the fire cover 51 of the gas burner 5 is too high to affect the normal combustion of the gas. Preferably, each wind shielding plate 8 is provided with a wind guiding hole 81, and the wind guiding holes 81 of each wind shielding plate 8 face left and right sides of the rear side of the gas burner 5 in a use state. The air blown through the air guide holes 81 of the wind deflectors 8 supplements the secondary air for the combustion of the flame at the fire outlet 511 of the fire cover 51, and promotes the sufficient combustion of the fuel gas.

In this embodiment, the furnace body 1 is a square box, and a handle 91 capable of horizontally extending and retracting back and forth is installed on the front surface of the furnace body 1. The camping stove for picnic is convenient to carry by the handle 91, the handle 91 can stretch out and draw back horizontally, the handle 91 can be retracted to the front side of the stove body 1 when being stored, the storage volume of the camping stove for picnic is reduced, and meanwhile, the handle 91 can be prevented from being collided and damaged in the process of storage or transportation. Further, the gas burners 5 are two and spaced apart from each other in the left-right direction, the two gas joints 32 are respectively provided on the bottom plate 11 of the furnace body 1, and the gas joints 32 are respectively in one-to-one correspondence with the gas burners 5. The two gas burners 5 can be used simultaneously, improving cooking efficiency. In this embodiment, a grill 92 is installed on the opening of the oven body 1, and the grill 92 has a burning-avoiding notch 921 formed at a position corresponding to each gas burner 5, so as to prevent burning flames of each gas burner 5 from burning the grill 92.

In addition, in this embodiment, the lower surface of the panel 12 where each gas burner 5 is located is recessed upwards to form an air inlet groove 122, and the groove wall of each air inlet groove 122 is provided with a secondary air replenishing hole 123, the bottom plates 11 of the furnace body 1 are two and correspond to the gas burners 5 one by one, and each bottom plate 11 is disposed below the corresponding gas burner 5, and a gap is left between the two bottom plates 11. In this way, during the use process, air can enter the cavity 10 through the gap between the two bottom plates 11, and then flow to the fire cover 51 of the corresponding gas burner 5 through the secondary air supplement holes 123 of each air inlet groove 122 to supplement secondary air for gas combustion.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (10)

1. A camping stove for picnic comprises a stove body (1), the appearance of the stove body (1) is a box with an opening on the upper part, and also comprises a stove cover (2) which can be covered on the opening of the stove body (1), characterized in that, a panel (12) and a gas burner (5) are horizontally arranged in the stove body (1), a furnace chamber (10) is formed by a gap between the panel (12) and a bottom plate (11) of the stove body (1), a mounting opening (121) is arranged on the panel (12), the gas burner (5) is arranged in the mounting opening (121), a fire cover (51) of the gas burner (5) is positioned on the upper surface of the panel (12), a base of the gas burner (5) is positioned in the furnace chamber (10), and a gas joint (32) which is connected with a mouth of a gas bottle (20) by screw thread is arranged on the bottom plate (11) of the stove body (1), and the gas joint (32) is internally provided with a gas inlet hole (321), and the gas inlet hole (321) is communicated with a gas inlet (531) on the base of the gas burner (5) in a fluid manner.

2. The picnic camping stove of claim 1, wherein the gas connector (32) is further provided with a thimble (322) for pushing open the pressure relief port of the gas bottle (20).

3. The camping stove for picnic set forth in claim 2, further comprising a gas valve (3) disposed in the stove chamber (10), the gas valve (3) comprising a valve body (30), a gas chamber (31) having an inlet (311) and an outlet (312) disposed in the valve body (30), an inlet (321) of the gas joint (32) being in fluid communication with the inlet (311) of the gas chamber (31) and the outlet (312) of the gas chamber (31) being in communication with the gas inlet (531) via an inlet duct (4).

4. The camping stove for picnic according to claim 3, wherein the gas joint (32) and the valve body (30) are an integral piece, the valve body (30) has a cylindrical shape, the cylindrical gas joint (32) is fixed at the center of the bottom surface of the valve body (30), the bottom wall of the valve body (30) where the gas joint (32) is located is provided with the air inlet hole (321), the hole wall of the air inlet hole (321) extends to the cavity wall of the gas cavity (31) to form the air inlet hole (311), and the thimble (322) extends vertically and is fixed at the bottom surface of the valve body (30) where the gas joint (32) is located.

5. The camping stove of any of claims 1-4, wherein the base of the gas burner (5) comprises a base body (52), a nozzle (53) and an injection pipe (54), wherein the injection pipe (54) is cylindrical in shape, the injection pipe (54) vertically penetrates through the mounting hole (121), the seat body (52) is in a disc shape, the upper port of the injection pipe (54) is inserted into the central hole (521) of the seat body (52), the fire cover (51) is covered on the seat body (52), and a gas mixing cavity is enclosed between the fire cover (51) and the base body (52), the shape of the nozzle (53) is cylindrical, the upper end of the ejector pipe is connected with the lower port of the ejector pipe (54) and is provided with a spout (532), and the side wall of the nozzle (53) is provided with the gas inlet (531).

6. The picnic camping stove according to claim 5, characterized in that the fire cover (51) is a cover body with a circular truncated cone shape, the fire holes (511) are evenly distributed along the circumference at the lower end of the fire cover (51), one side of the fire cover (51) is provided with the ignition needle (6), a strip-shaped ignition plate (7) is arranged between the ignition needle (6) and the fire cover (51), the ignition plate (7) is vertically arranged, the upper end of the ignition plate (7) inclines towards the fire cover (51), the upper end of the ignition plate (7) is overlapped on the fire holes (511) of the fire cover and is provided with the fire stabilizing holes (71), and each fire stabilizing hole (71) is partially overlapped with the corresponding fire hole (511).

7. The camping stove for picnic according to any one of claims 1-4, wherein the stove cover (2) has wind shields (8) hinged to the left and right ends, respectively, and in the use state, the two wind shields (8) are located on the left and right sides of the stove body (1), respectively, and in the storage state, the two wind shields (8) can be rotatably stored in the stove cover (2), respectively.

8. The camping stove according to claim 7, wherein each wind deflector (8) is provided with a wind guiding hole (81), and the wind guiding holes (81) of each wind deflector (8) face the rear side of the gas burner (5) in the use state.

9. The camping stove for picnic according to any one of claims 1-4, wherein the gas burners (5) are two, spaced left and right, the bottom plate (11) of the stove body (1) is provided with two gas joints (32), and each gas joint (32) corresponds to one gas burner (5).

10. The camping stove for picnic of any one of claims 1-4, wherein a handle (91) that can be horizontally extended and retracted is installed on the front side of the stove body (1).

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