A portable air heater

Abstract

The utility model relates to air heater technical field especially relates to a portable air heater, including the shell body, still including the inner casing, inner casing seal cover and shell seal cover, the inner casing is installed in the bottom wall of shell body, the inner casing seal cover is installed in the upper end of inner casing and forms the sealed cavity, the shell seal cover is installed in the upper end of shell body, and the cavity inside portion of inner casing is installed with air flow assembly and heating assembly, the utility model's structure is small and exquisite, can be freely carried to the device through holding the handle, controls the heating assembly to heat the sealed cavity of inner casing when using, controls the air to enter the cold air inlet pipe, makes the gas enter the air flow assembly, and the air is heated in the air flow assembly by the heating assembly, finally blows out from the hot air outlet pipe, and the internal structure is simple, thereby reduced production cost.

Description

Technical Field

[0001] This utility model relates to the field of air heater technology, and in particular to a portable air heater. Background Technology

[0002] Air heating devices are widely used in a variety of situations. In the existing technology, common air heaters come in various forms, including large floor-standing fan heaters and fixed wall-mounted heaters, as well as some small desktop heating devices that use heating wires or PTC ceramic heating elements. These devices each have their own applicable scenarios in terms of providing heat energy.

[0003] When user needs shift to scenarios requiring frequent movement and flexible use between outdoor or different indoor locations, existing air heating devices become difficult to move. Traditional floor-standing or wall-mounted heaters are usually bulky and heavy, making them difficult to carry or quickly relocate. Even some devices that are touted as "small" often exceed the scope of true portability or easy carrying after considering their necessary heat output power and safety structure, causing inconvenience for users' mobile use.

[0004] Therefore, a portable air heater can be designed to address the problems mentioned above. Utility Model Content

[0005] To overcome the lack of portability of existing air heating devices.

[0006] The technical solution of this utility model is as follows: a portable air heater, including an outer shell; and also including an inner shell, an inner shell sealing cover and an outer shell sealing cover. The inner shell is installed on the bottom wall of the outer shell, the inner shell sealing cover is installed on the upper end of the inner shell to form a sealed cavity, and the outer shell sealing cover is installed on the upper end of the outer shell. An air circulation component and a heating component are installed inside the cavity of the inner shell. The air is heated by the coordinated work of the air circulation component and the heating component. The outer shell and the inner shell are jointly equipped with a cold air inlet pipe and a hot air outlet pipe.

[0007] Preferably, the heating component heats the sealed cavity of the inner shell, and the air is controlled to enter the cold air inlet pipe, so that the gas enters the air circulation component. The air is heated by the heating component in the air circulation component and finally blown out from the hot air outlet pipe.

[0008] Preferably, the air circulation assembly includes an air circulation pipe, a fan, and a connecting pipe. The fan is installed on the inner wall of the inner housing at the end of the cold air intake pipe, and the other end of the fan is installed on the connecting pipe. Both ends of the air circulation pipe are installed on the inner wall of the inner housing through two connecting pipes.

[0009] Preferably, the inner shell has connecting holes on the inner wall at both ends of the air circulation pipe, and the air circulation pipe is connected to the cold air inlet pipe and the hot air outlet pipe through the connecting holes.

[0010] Preferably, the heating assembly includes multiple thermal resistance wires and heating tubes, with the thermal resistance wires disposed inside the heating tubes. All heating tubes are installed at the lower end of the inner shell sealing cover, and heating circuitry is disposed inside the inner shell sealing cover.

[0011] Preferably, the outer side of the inner shell and the inner wall of the outer shell are provided with heat insulation cavities, and the outer side of the inner shell and the bottom wall of the outer shell are fixedly connected with multiple fixing plates.

[0012] Preferably, a sealing buckle one is fixedly connected to the upper surface of the inner shell, and a sealing buckle two adapted to the sealing buckle one is rotatably connected to the surface of the inner shell sealing cover via a rotating shaft.

[0013] Preferably, the upper surface of the outer shell is provided with an external threaded groove, the inner surface of the outer shell sealing cover is provided with an internal threaded ring, and the outer shell and the outer shell sealing cover are threadedly connected.

[0014] Preferably, the outer shell has two connecting rods symmetrically rotatably connected to its surface, and the connecting rods are fixedly connected to a handle. The upper end of the outer shell sealing cover is fixedly connected to a throttle.

[0015] The beneficial effects of this utility model are:

[0016] This device is compact and can be easily carried by a handle. It controls the heating component to heat the sealed cavity of the inner shell, controls the air to enter the cold air inlet pipe, and then the air enters the air circulation component. The air is heated by the heating component in the air circulation component and finally blown out from the hot air outlet pipe. The internal structure is simple, thereby reducing production costs. Attached Figure Description

[0017] Figure 1 The diagram shown is a three-dimensional structural schematic of the present invention.

[0018] Figure 2 The diagram shown is a cross-sectional view of the present invention.

[0019] Figure 3 The diagram shown is a schematic representation of the inner shell structure of this utility model.

[0020] Figure 4 The diagram shown is a schematic representation of the air circulation pipe structure of this utility model.

[0021] Figure 5 The diagram shows the connection structure between the outer shell and the outer sealing cover of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Outer shell; 2. Inner shell; 3. Inner shell sealing cover; 4. Outer shell sealing cover; 5. Air circulation pipe; 6. Cold air inlet pipe; 7. Fan; 8. Hot air outlet pipe; 9. Heating element; 10. Insulation cavity; 11. Sealing clip one; 12. Sealing clip two; 13. External thread groove; 14. Internal thread ring; 15. Fixing plate; 16. Connecting rod; 17. Handle; 18. Throttle; 19. Connecting pipe. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figures 1-5 This utility model provides an embodiment of a portable air heater, including an outer shell 1; it also includes an inner shell 2, an inner shell sealing cover 3, and an outer shell sealing cover 4. The inner shell 2 is installed on the bottom wall of the outer shell 1, the inner shell sealing cover 3 is installed on the upper end of the inner shell 2 to form a sealed cavity, and the outer shell sealing cover 4 is installed on the upper end of the outer shell 1. An air circulation component and a heating component are installed inside the cavity of the inner shell 2. The air is heated by the coordinated operation of the air circulation component and the heating component. The outer shell 1 and the inner shell 2 are jointly equipped with a cold air inlet pipe 6 and a hot air outlet pipe 8. The heating component is controlled to heat the sealed cavity of the inner shell 2, and the air is controlled to enter the cold air inlet pipe 6, so that the gas enters the air circulation component. The air is heated by the heating component in the air circulation component and finally blown out from the hot air outlet pipe 8.

[0025] Please see Figures 2-4 In this embodiment, the air circulation assembly includes an air circulation pipe 5, a fan 7, and a connecting pipe 19. The fan 7 is installed on the inner wall of the inner housing 2 at the end of the cold air intake pipe 6, and the other end of the fan 7 is installed on the connecting pipe 19. Both ends of the air circulation pipe 5 are installed on the inner wall of the inner housing 2 through two connecting pipes 19. When the fan 7 is turned on, air is drawn in from the cold air intake pipe 6 and blown into the connecting pipe 19. The air is dispersed in the connecting pipe 19 and enters the air circulation pipe 5 for heating. The inner housing 2 has connecting holes on the inner wall at both ends of the air circulation pipe 5. The air circulation pipe 5 is connected to the cold air inlet pipe 6 and the hot air outlet pipe 8 through a connecting hole. Air enters from the cold air inlet pipe 6, is heated by the air circulation pipe 5, and is blown out from the hot air outlet pipe 8. The heating component includes multiple thermal resistance wires and heating tubes 9. The thermal resistance wires are set inside the heating tubes 9. All heating tubes 9 are installed at the lower end of the inner shell sealing cover 3. The inner shell sealing cover 3 is equipped with a heating circuit. By controlling the heating of the thermal resistance wires, the heating tubes 9 are heated, thereby heating the sealed cavity of the inner shell 2, and thus heating the air in the air circulation pipe 5.

[0026] Please see Figure 1 , Figure 2 and Figure 5 In this embodiment, the outer side of the inner shell 2 and the inner wall of the outer shell 1 are provided with a heat insulation cavity 10. Multiple fixing plates 15 are fixedly connected to the outer side of the inner shell 2 and the bottom wall of the outer shell 1. The heat insulation cavity 10 can prevent heat from the inner shell 2 from being transferred to the surface of the outer shell 1, thereby preventing the outer shell 1 from becoming too hot to handle and thus unusable. A sealing buckle 11 is fixedly connected to the upper surface of the inner shell 2. A sealing buckle 2 12, adapted to the sealing buckle 11, is rotatably connected to the surface of the inner shell sealing cover 3 via a rotating shaft. By fastening the sealing buckle 11 onto the sealing buckle 2 12, the inner shell 2 is sealed. When it is necessary to open the inner shell... When performing maintenance, the outer casing sealing cover 4 can be removed by prying open the sealing buckle 11. The upper surface of the outer casing 1 is provided with an external threaded groove 13, and the inner surface of the outer casing sealing cover 4 is provided with an internal threaded ring 14. The outer casing 1 and the outer casing sealing cover 4 are threadedly connected. By rotating the outer casing sealing cover 4, the outer casing 1 can be disassembled. The surface of the outer casing 1 is symmetrically rotatably connected with two connecting rods 16, and the connecting rods 16 are fixedly connected to a handle 17. The upper end of the outer casing sealing cover 4 is fixedly connected to a handle 18. The device can be freely carried by using the handle 17, and the outer casing sealing cover 4 can be turned open by holding the handle 18.

[0027] During operation, the heating element 9 is heated by controlling the heating of the thermal resistance wire, thereby heating the sealed cavity of the inner shell 2. At the same time, the fan 7 is started, which draws air in from the cold air inlet pipe 6 and blows it into the connecting pipe 19. The air is dispersed in the connecting pipe 19 and enters the air circulation pipe 5 for heating, and finally blown out from the hot air outlet pipe 8. When the device needs to be maintained, the outer shell sealing cover 4 can be turned open by holding the handle 18, and then the outer shell sealing cover 4 can be taken out by prying the sealing buckle 11. Then the internal parts of the device can be maintained. When it needs to be carried, the device can be carried freely by holding the handle 17.

[0028] Through the above steps, the device can be freely carried by the handle 17. When in use, the heating component is controlled to heat the sealed cavity of the inner shell 2, and the air is controlled to enter the cold air inlet pipe 6, so that the gas enters the air circulation component. The air is heated by the heating component in the air circulation component and finally blown out from the hot air outlet pipe 8. The internal structure is simple, thereby reducing the production cost and solving the problem of insufficient portability of existing air heating devices.

Claims

1. A portable air heater, comprising a housing (1); characterized in that: It also includes an inner shell (2), an inner shell sealing cover (3) and an outer shell sealing cover (4). The inner shell (2) is installed on the bottom wall of the outer shell (1). The inner shell sealing cover (3) is installed on the upper end of the inner shell (2) to form a sealed cavity. The outer shell sealing cover (4) is installed on the upper end of the outer shell (1). An air circulation component and a heating component are installed inside the cavity of the inner shell (2). The air is heated by the coordinated work of the air circulation component and the heating component. The outer shell (1) and the inner shell (2) are jointly equipped with a cold air inlet pipe (6) and a hot air outlet pipe (8).

2. A portable air heater according to claim 1, characterized in that: The air circulation assembly includes an air circulation pipe (5), a fan (7) and a connecting pipe (19). The fan (7) is installed on the inner wall of the inner housing (2) at the end of the cold air intake pipe (6). The other end of the fan (7) is installed on the connecting pipe (19). The two ends of the air circulation pipe (5) are installed on the inner wall of the inner housing (2) through two connecting pipes (19).

3. A portable air heater according to claim 2, characterized in that: The inner shell (2) has a connecting hole on the inner wall of the inner shell (2) at both ends of the air circulation pipe (5), and the air circulation pipe (5) is connected to the cold air inlet pipe (6) and the hot air outlet pipe (8) through the connecting hole.

4. A portable air heater according to claim 1, characterized in that: The heating assembly includes multiple thermal resistance wires and heating tubes (9). The thermal resistance wires are located inside the heating tubes (9). All heating tubes (9) are installed at the lower end of the inner shell sealing cover (3). The inner shell sealing cover (3) is equipped with heating circuits.

5. A portable air heater according to claim 1, characterized in that: The outer side of the inner shell (2) and the inner wall of the outer shell (1) are provided with heat insulation cavity (10), and the outer side of the inner shell (2) and the bottom wall of the outer shell (1) are fixedly connected with multiple fixing plates (15).

6. A portable air heater according to claim 1, characterized in that: The upper surface of the inner shell (2) is fixedly connected to a sealing buckle one (11), and the surface of the inner shell sealing cover (3) is rotatably connected to a sealing buckle two (12) that is adapted to the sealing buckle one (11) via a rotating shaft.

7. A portable air heater according to claim 1, characterized in that: The outer shell (1) has an external threaded groove (13) on its upper surface, and the inner threaded ring (14) is provided inside the outer shell sealing cover (4). The outer shell (1) and the outer shell sealing cover (4) are threadedly connected.

8. A portable air heater according to claim 1, characterized in that: The outer shell (1) has two symmetrically rotating connecting rods (16) on its surface. The connecting rods (16) are fixedly connected to a handle (17). The upper end of the outer shell sealing cover (4) is fixedly connected to a throttle (18).

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