Outdoor portable firewood stove

Abstract

The utility model relates to an outdoor portable firewood stove, which mainly comprises a stove wall, a water tank and a support plate. A water tank is sleeved outside the furnace wall, a supporting plate is arranged inside the furnace wall, and a water filling nozzle is arranged at the upper end of the furnace wall and communicated with the water tank. Supporting legs and a handle are arranged on the outer wall of the water tank. When the device is used, wood can be efficiently combusted, meanwhile, the water tank is heated through waste heat, the heat energy utilization rate is increased, and the risk that a user is scalded due to the fact that the furnace wall is too hot is reduced.

Description

Technical Field

[0001] The utility model relates to the field of wood-burning stoves, in particular to an outdoor portable wood-burning stove. Background Art

[0002] With the popularity of outdoor leisure activities and people's pursuit of a lifestyle close to nature, portable wood stoves have come into being. This type of stove is lightweight and compact, easy to carry and quick to install, and suitable for outdoor scenes such as camping, hiking, and fishing. Some early portable wood stoves were relatively simple in design, such as a simple metal can modification design that relied on natural ventilation to burn wood. Although it was lightweight, the combustion efficiency and thermal energy utilization rate may be low; some wood stoves preheat the incoming air by utilizing the high temperature during combustion in the furnace, and achieve the effect of fully burning the wood, but the excess heat generated by the heated air cannot be utilized, which not only wastes a lot of heat energy, but also poses a safety risk of burns if the user accidentally touches the working furnace wall. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an outdoor portable wood stove, which can not only fully burn wood during use, but also use the waste heat to heat the water tank, which not only improves the utilization rate of thermal energy, but also effectively reduces the risk of scalding the user due to the excessive temperature of the furnace wall during use.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] The invention discloses an outdoor portable wood stove, comprising a stove wall, a water tank and a support plate. The water tank is sleeved on the outer side of the stove wall, and the support plate is placed inside the stove wall. A water inlet is arranged at the upper end of the stove wall and connected to the water tank, and supporting feet and a handle are arranged on the outer wall of the water tank.

[0006] In a preferred embodiment, the furnace wall includes an inner furnace wall and an outer furnace wall, an air convection cavity is formed between the inner furnace wall and the outer furnace wall, the top of the inner furnace wall and the outer furnace wall are closed and the bottom is open, air vents are symmetrically provided in a circular shape near the top surface of the inner furnace wall, and air inlets are symmetrically provided in a circular shape near the bottom surface of the outer furnace wall.

[0007] In the preferred embodiment, the water tank includes a water tank wall, the upper and lower ends of the water tank wall and the outer furnace wall are closed to form a water injection cavity, the bottom of the water tank wall is connected to a drain pipe, an opening and closing valve is provided on the drain pipe, and an observation window is provided on the water tank wall.

[0008] In the preferred embodiment, the support leg includes a sleeve plate and a telescopic plate, wherein the sleeve plate is fixedly connected to the outer wall of the water tank wall and is distributed in a triangular symmetry, the telescopic plate is inserted into the sleeve plate and can be telescoped inward and outward, and a tightening knob is provided on the sleeve plate and can lock the extension distance of the telescopic plate.

[0009] In a preferred solution, an inner lining ring is provided at the inner side of the inner furnace wall, the support plate is supported by the inner lining ring and placed inside the inner furnace wall, and a pull ring is provided on the support plate.

[0010] In a preferred solution, heat-conducting strips are arranged at equal intervals on the outer furnace wall.

[0011] An outdoor portable wood stove, the structure includes the following beneficial effects:

[0012] 1. By arranging a water tank wall on the outside of the portable wood stove, the heat energy generated by the stove wall when heating the air can be fully utilized, thereby improving the utilization rate of heat energy;

[0013] 2. By preheating the air, the oxygen supply temperature during wood burning in the furnace can be effectively increased, thereby improving the combustion efficiency of the wood in the furnace;

[0014] 3. By arranging a water tank on the outside of the furnace wall, the temperature of the outer wall of the furnace body can be effectively reduced when the furnace body is working, thereby preventing accidents such as burns caused by users accidentally touching the furnace wall when the furnace body is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the support plate structure of the utility model;

[0018] Figure 3 This is a cross-sectional view of the internal structure of the utility model;

[0019] Figure 4 This is a planar cross-sectional view of the internal structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the heat-conducting strip of the utility model.

[0021] In the figure: furnace wall 1, inner furnace wall 101, outer furnace wall 102, vent 103, air inlet 104, water tank 2, water tank wall 201, support leg 3, sleeve plate 301, telescopic plate 302, fastening knob 303, drain pipe 4, opening and closing valve 401, observation window 5, support plate 6, pull ring 7, lining ring 8, heat conductive strip 9, water filling port 10, handle 11. DETAILED DESCRIPTION

[0022] like Figure 1As shown, an outdoor portable wood stove includes a stove wall 1, a water tank 2 and a support plate 6. The water tank 2 is sleeved on the outer side of the stove wall 1, and the support plate 6 is placed inside the stove wall 1. A water inlet 10 is provided at the upper end of the stove wall 1 and is connected to the water tank 2. Support legs 3 and a handle 11 are provided on the outer wall of the water tank 2. When the device is working, wood is placed in the stove wall 1 and burned. The heat generated during heating first heats the air between the stove walls 1, thereby improving the combustion efficiency of the wood. The excess heat of the heated air further heats the water tank 2, thereby improving the heat utilization rate when the wood is burned.

[0023] The preferred solution is Figure 3 and Figure 4 As shown, the furnace wall 1 includes an inner furnace wall 101 and an outer furnace wall 102, an air convection cavity is formed between the inner furnace wall 101 and the outer furnace wall 102, the inner furnace wall 101 and the outer furnace wall 102 are closed at the top and open at the bottom, vent holes 103 are symmetrically provided near the top surface of the inner furnace wall 101, and air inlets 104 are symmetrically provided near the bottom surface of the outer furnace wall 102;

[0024] When the device is in use, air enters the air convection cavity between the inner furnace wall 101 and the outer furnace wall 102 through the air inlet 104, and the air in the cavity is heated by the temperature of the inner furnace wall 101 and the air temperature is increased. The heated air is discharged through the vent 103 and supplies oxygen to the furnace, and can effectively increase the temperature in the furnace and the combustion rate of wood.

[0025] The preferred solution is Figure 3 and Figure 4 As shown, the water tank 2 includes a water tank wall 201, the upper and lower ends of the water tank wall 201 and the outer furnace wall 102 are closed and form a water injection cavity, the bottom of the water tank wall 201 is connected to a drain pipe 4, the drain pipe 4 is provided with an opening and closing valve 401, and the water tank wall 201 is provided with an observation window 5;

[0026] When in use, cold water is first injected into the water injection cavity formed between the water tank wall 201 and the outer furnace wall 102 through the water injection port 10. When the air is heated in the convection cavity, the cold water in the water injection cavity will be further heated. When hot water is needed, the heated hot water can be discharged through the drain pipe 4. The water tank wall 201 is provided with an observation window 5 to observe the water level of the water tank 2 at any time. During use, a thermometer or other temperature measuring equipment can also be installed in the water tank 2 to further improve the practicality of the device.

[0027] The water tank wall 201 is made of heat-insulating material, which can not only keep the water tank 2 warm, but also prevent the water tank wall 201 from being overheated and scalding the user.

[0028] The preferred solution is Figure 2As shown, the support leg 3 includes a sleeve plate 301 and a telescopic plate 302. The sleeve plate 301 is fixedly connected to the outer wall of the water tank wall 201 and is distributed in a triangular symmetry. The telescopic plate 302 is inserted into the sleeve plate 301 and can be telescoped inward and outward. A tightening knob 303 is provided on the sleeve plate 301 and can lock the extension distance of the telescopic plate 302. During use of the device, the extension distance of the telescopic plate 302 can be adjusted according to the terrain, and the length of the support leg 3 can be locked by tightening the knob 303, so that the device is suitable for various complex grounds.

[0029] The preferred solution is Figure 2 As shown, an inner lining ring 8 is provided on the inner side of the inner furnace wall 101, and the support plate 6 is supported by the inner lining ring 8 and placed in the inner furnace wall 101. A pull ring 7 is provided on the support plate 6. When the furnace body is in use, wood is placed on the support plate 6 to be burned. The support plate 6 can be quickly lifted out and the slag can be cleaned through the pull ring 7.

[0030] The preferred solution is Figure 5 As shown, heat conducting strips 9 are arranged at equal intervals on the outer furnace wall 102; the heat conducting strips 9 are made of materials with excellent thermal conductivity. By arranging the heat conducting strips 9, the heating area between the cold water in the water tank 2 and the outer furnace wall 102 can be increased, thereby improving the heating efficiency of the water tank 2 and the utilization rate of thermal energy.

[0031] The above embodiments are only preferred technical solutions of the utility model and should not be regarded as limitations of the utility model. Under the premise of non-conflict, the various technical features recorded in the utility model can be combined with each other. The protection scope of the utility model shall be the technical solution recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solution recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the utility model.

Claims

1. An outdoor portable wood-burning stove, comprising a stove wall (1), a water tank (2) and a support plate (6), characterized in that: A water tank (2) is sleeved on the outer side of the furnace wall (1), a support plate (6) is placed inside the furnace wall (1), a water injection port (10) is provided at the upper end of the furnace wall (1) and is connected to the water tank (2), and a support foot (3) and a handle (11) are provided on the outer wall of the water tank (2); The furnace wall (1) comprises an inner furnace wall (101) and an outer furnace wall (102), an air convection cavity is formed between the inner furnace wall (101) and the outer furnace wall (102), the inner furnace wall (101) and the outer furnace wall (102) are closed at the top and open at the bottom, air holes (103) are symmetrically provided at the top surface of the inner furnace wall (101), and air inlets (104) are symmetrically provided at the bottom surface of the outer furnace wall (102); The water tank (2) comprises a water tank wall (201), wherein the upper and lower ends of the water tank wall (201) and the outer furnace wall (102) are sealed and form a water injection cavity, the bottom of the water tank wall (201) is connected to a drainage pipe (4), an on-off valve (401) is provided on the drainage pipe (4), and an observation window (5) is provided on the water tank wall (201).

2. The outdoor portable wood stove according to claim 1, characterized in that: The support leg (3) comprises a sleeve plate (301) and a telescopic plate (302); the sleeve plate (301) is fixedly connected to the outer wall of the water tank wall (201) and is distributed in a triangular symmetry; the telescopic plate (302) is inserted into the sleeve plate (301) and can be telescoped inwards and outwards; a tightening knob (303) is provided on the sleeve plate (301) and can lock the extension distance of the telescopic plate (302).

3. The outdoor portable wood stove according to claim 1, characterized in that: An inner lining ring (8) is provided on the inner side of the inner furnace wall (101); the support plate (6) is supported by the inner lining ring (8) and placed inside the inner furnace wall (101); and a pull ring (7) is provided on the support plate (6).

4. The outdoor portable wood stove according to claim 1, characterized in that: Heat conducting strips (9) are arranged at equal intervals on the outer furnace wall (102).

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