Portable air heater

Abstract

The utility model relates to a portable air heater, and relates to the technical field of air heaters. The machine comprises a machine shell, a handle is arranged on the outer wall of the machine shell, an air blower and a ventilation pipe communicated with the air blower are arranged in the machine shell, the end, away from the air blower, of the ventilation pipe penetrates through the outer wall of the machine shell, and a temperature control panel, an adjusting knob and two control switches are arranged on the end face, away from the ventilation pipe, of the machine shell. According to the air heater, the air blower, the ventilation pipe and other main components are integrated in the machine shell, so that installation of all the components of the air heater is more reasonable, the handle is arranged on the top of the machine shell, and therefore the air heater has the advantages of being simple in structure and easy to move, and a user can carry the air heater conveniently.

Description

Technical Field

[0001] The present application relates to the field of hot air blower technology, and in particular to a portable hot air blower. Background Art

[0002] Hot air blowers are the preferred product for upgrading the heat source of modern industry. Electromechanical equipment is the best hot air source configuration for automatic machinery such as hot air conveying furnaces, drying furnaces, ovens, packaging machines, etc. Hot air blowers are composed of three major parts: blower, heater, and control circuit. They realize the regulation of working temperature and air volume. In addition, hot air blowers are equipped with over-temperature protection circuits for the air inlet of the fan and the motor, and emergency brake switches for the main circuit, which further improve the protection of the equipment.

[0003] The installation positions of the components of the existing hot air blower are not designed reasonably, and the structures of the components of the hot air blower are generally large, resulting in the overall size of the hot air blower being large and heavy, which is not convenient for users to carry. Utility Model Content

[0004] In order to make the hot air blower convenient for users to carry, the present application provides a portable hot air blower.

[0005] The portable hot air blower provided in this application adopts the following technical solution:

[0006] A portable hot air blower comprises a casing, wherein a handle is arranged on the outer wall of the casing, a blower and a ventilation pipe connected to the blower are arranged inside the casing, an end of the ventilation pipe away from the blower passes through the outer wall of the casing, and a temperature control panel, an adjustment knob and two control switches are arranged on the end face of the casing away from the ventilation pipe.

[0007] By adopting the above-mentioned technical scheme, the hot air blower of the present application can adjust the air volume of the hot air blower by adjusting the knob, the temperature control panel can adjust the hot air temperature generated by the hot air blower, and the two control switches are used to control the power switch and the air inlet switch respectively. By integrating the main components such as the blower and the ventilation duct into the casing, the installation of the various components of the hot air blower is more reasonable, and a handle is provided on the top of the casing, so that the hot air blower of the present application has the advantages of simple structure and easy mobility, which is convenient for users to carry.

[0008] Optionally, mounting plates are fixedly provided at both ends of the blower and the ventilation pipe close to each other, and the two mounting plates are connected by mounting bolts and mounting nuts.

[0009] By adopting the above technical solution, the ventilation pipe can be disassembled from the blower, so as to facilitate the replacement or maintenance of the blower and the ventilation pipe.

[0010] Optionally, the axis of the ventilation pipe is arranged in the horizontal direction, the end of the ventilation pipe extending out of the casing is connected to an air outlet pipe, and the outer diameter of the air outlet pipe gradually decreases in the direction away from the ventilation pipe.

[0011] By adopting the above technical solution and providing an air outlet pipe with a gradually decreasing outer diameter, it is helpful to gather the hot air flowing from the ventilation pipe to the air outlet pipe, thereby enhancing the wind force of the hot air at the air outlet pipe.

[0012] Optionally, a plurality of arc-shaped holes are formed on the end surface of the housing close to the air outlet pipe, and the arc-shaped holes are used to remove excess heat between the ventilation pipe and the air outlet pipe.

[0013] By adopting the above technical solution, the arc-shaped hole can dissipate the excess heat between the ventilation pipe and the air outlet pipe, so that the end surface of the casing close to the air outlet pipe is not easily deformed due to heat.

[0014] Optionally, the ventilation pipe is coaxially arranged with the air outlet pipe, and a plurality of the arc-shaped holes are evenly spaced and distributed around the axis of the ventilation pipe.

[0015] By adopting the above technical solution, the arc-shaped holes evenly spaced around the axis of the ventilation pipe help to dissipate heat more evenly, so that the casing around the ventilation pipe is not prone to local deformation.

[0016] Optionally, two opposite side walls of the housing are each provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are opened on the side walls of the housing at intervals and evenly arranged in the horizontal and vertical directions.

[0017] By adopting the above technical solution, heat dissipation holes are provided on the two opposite side walls of the casing, which can reduce the possibility of air convection inside the casing and help air circulation, thereby dissipating the heat inside the casing to the outside of the casing to ensure that the operating temperature of the hot air blower is within a controllable range; the arrangement of the heat dissipation holes helps to improve the heat dissipation effect.

[0018] Optionally, a protective cover for covering the heat dissipation hole is arranged at the top of the heat dissipation hole, and the opening of the protective cover is arranged downward.

[0019] By adopting the above technical solution, the protective cover can guide the heat emitted by the heat dissipation holes to the bottom of the protective cover, thereby conducting the heat at the heat dissipation holes and allowing the hot air to flow to the bottom of the hot air blower to reduce the unsafety caused by the heat at the heat dissipation holes to the user.

[0020] Optionally, the housing is provided with a plurality of supporting feet, the supporting feet and the handle are respectively arranged at two opposite ends of the housing, and the plurality of supporting feet are symmetrically arranged about the center of the housing.

[0021] By adopting the above technical solution, by providing support feet, the bottom wall of the casing can be prevented from directly contacting other work surfaces, so that the heat generated by the casing during the operation of the hot air blower is not directly dissipated to other work surfaces.

[0022] In summary, the present application includes at least one of the following beneficial effects:

[0023] 1. By integrating the main components such as the blower and the ventilation pipe into the casing, the installation of the various components of the hot air blower is more reasonable, and a handle is provided on the top of the casing, so that the hot air blower of the present application has the advantages of simple structure and easy mobility, and is convenient for users to carry;

[0024] 2. By setting an air outlet pipe with a gradually decreasing outer diameter, it is helpful to gather the hot air flowing from the ventilation pipe to the air outlet pipe, thereby enhancing the wind force of the hot air at the air outlet pipe;

[0025] 3. The arc-shaped holes evenly spaced around the axis of the ventilation duct help to dissipate heat more evenly, making it less likely for the casing around the ventilation duct to be locally deformed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of an embodiment of the present application;

[0027] Figure 2 This is an exploded schematic diagram for illustrating the connection relationship between the blower and the ventilation pipe in the embodiment of the present application;

[0028] Figure 3 This is a structural schematic diagram for reflecting the positional relationship between the air duct and the arc-shaped hole in the embodiment of the present application;

[0029] Figure 4 It is a structural schematic diagram used to reflect the position relationship between the heat dissipation holes and the protective cover in the embodiment of the present application.

[0030] In the figure: 1. Casing; 11. Temperature control panel; 12. Adjustment knob; 13. Control switch; 14. Mounting plate; 15. Mounting bolts; 151. Mounting nuts; 16. Arc holes; 17. Heat dissipation holes; 18. Protective cover; 19. Support feet; 2. Handle; 3. Blower; 4. Ventilation duct; 41. Air outlet duct. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a portable hot air blower. Figure 1 and Figure 2The portable hot air blower includes a casing 1, which is a rectangular empty shell structure. The casing 1 includes two U-shaped shells spliced ​​together from top to bottom. A handle 2 is installed on the outer top wall of the casing 1. A blower 3 and a ventilation pipe 4 connected to the blower 3 are installed inside the casing 1. The blower 3 in the embodiment of the present application is an existing structure and is not described here. A heating wire is installed in the hot air blower. The ventilation pipe 4 is a circular tubular structure. Both ends of the blower 3 and the ventilation pipe 4 close to each other are welded with mounting plates 14. The mounting plate 14 is a metal flat plate structure. The two mounting plates 14 are connected by mounting bolts 15 and mounting nuts 151. The end of the ventilation pipe 4 away from the blower 3 passes through the outer wall of the casing 1.

[0033] The end face of the casing 1 away from the ventilation duct 4 is provided with a temperature control panel 11, an adjustment knob 12 and two control switches 13. The outer bottom wall of the casing 1 is provided with four support feet 19. The support feet 19 are inverted hollow truncated cone structures. The four support feet 19 are symmetrically arranged about the center of the casing 1. The hot air blower of the present application can adjust the air volume of the hot air blower by adjusting the knob 12, the temperature control panel 11 can adjust the hot air temperature generated by the hot air blower, and the two control switches 13 are respectively used to control the power switch and the air inlet switch. By integrating the main components such as the blower 3 and the ventilation duct 4 into the casing 1, the installation of the various components of the hot air blower is more reasonable, and a handle 2 is provided on the top of the casing 1, so that the hot air blower of the present application has the advantages of simple structure and easy mobility, and thus it is convenient for users to carry.

[0034] Reference Figure 2 and Figure 3 The axis of the ventilation pipe 4 is arranged in the horizontal direction. The end of the ventilation pipe 4 extending out of the housing 1 is connected with a coaxial air outlet pipe 41. The air outlet pipe 41 is a circular tubular structure and the outer diameter of the air outlet pipe 41 gradually decreases in the direction away from the ventilation pipe 4. The end surface of the housing 1 close to the air outlet pipe 41 is penetrated with a plurality of arc holes 16. The arc holes 16 are used to remove excess heat between the ventilation pipe 4 and the air outlet pipe 41. The plurality of arc holes 16 are evenly spaced around the axis of the ventilation pipe 4. The arc holes 16 evenly spaced around the axis of the ventilation pipe 4 help to dissipate heat more evenly, so that the housing 1 around the ventilation pipe 4 is not prone to local deformation.

[0035] Reference Figure 4 A plurality of heat dissipation holes 17 are formed through two opposite side walls of the housing 1. The plurality of heat dissipation holes 17 are formed on the side walls of the housing 1 at intervals and evenly arranged in the horizontal and vertical directions. A protective cover 18 for covering the heat dissipation holes 17 is extended from the top of the heat dissipation holes 17, and the opening of the protective cover 18 is arranged downward. The protective cover 18 can conduct the heat emitted from the heat dissipation holes 17 to the bottom of the protective cover 18, thereby conducting the heat at the heat dissipation holes 17 and allowing the hot air to flow to the bottom of the hot air blower, so as to reduce the unsafety caused by the heat at the heat dissipation holes 17 to the user.

[0036] The implementation principle of a portable hot air blower in an embodiment of the present application is as follows: by integrating main components such as a blower 3 and a ventilation duct 4 into a casing 1, the installation of various components of the hot air blower is made more reasonable, and a handle 2 is provided on the top of the casing 1, so that the hot air blower of the present application has the advantages of simple structure and easy mobility, thereby being convenient for users to carry.

[0037] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A portable hot air blower, characterized in that: The invention comprises a casing (1), wherein the outer wall of the casing (1) is provided with a handle (2), the interior of the casing (1) is provided with a blower (3) and a ventilation pipe (4) connected to the blower (3), the end of the ventilation pipe (4) away from the blower (3) passes through the outer wall of the casing (1), and the end surface of the casing (1) away from the ventilation pipe (4) is provided with a temperature control panel (11), an adjustment knob (12) and two control switches (13).

2. The portable hot air blower according to claim 1, characterized in that: Mounting plates (14) are fixedly provided at both ends of the blower (3) and the ventilation pipe (4) close to each other, and the two mounting plates (14) are connected by mounting bolts (15) and mounting nuts (151).

3. The portable hot air blower according to claim 1, characterized in that: The axis of the ventilation pipe (4) is arranged in the horizontal direction, and the end of the ventilation pipe (4) extending out of the housing (1) is connected to an air outlet pipe (41), and the outer diameter of the air outlet pipe (41) gradually decreases in a direction away from the ventilation pipe (4).

4. The portable hot air blower according to claim 3, characterized in that: A plurality of arc-shaped holes (16) are provided on the end surface of the housing (1) close to the air outlet pipe (41), and the arc-shaped holes (16) are used to remove excess heat between the ventilation pipe (4) and the air outlet pipe (41).

5. The portable hot air blower according to claim 4, characterized in that: The ventilation pipe (4) is coaxially arranged with the air outlet pipe (41), and a plurality of the arc-shaped holes (16) are evenly spaced and distributed around the axis of the ventilation pipe (4).

6. The portable hot air blower according to claim 1, characterized in that: Two opposite side walls of the casing (1) are each provided with a plurality of heat dissipation holes (17), and the plurality of heat dissipation holes (17) are arranged on the side walls of the casing (1) at intervals and evenly in a longitudinal and transverse direction.

7. The portable hot air blower according to claim 6, characterized in that: A protective cover (18) for covering the heat dissipation hole (17) is arranged at the top end of the heat dissipation hole (17), and the opening of the protective cover (18) is arranged downward.

8. The portable hot air blower according to claim 1, characterized in that: The housing (1) is provided with a plurality of supporting feet (19), the supporting feet (19) and the handle (2) are respectively arranged at two opposite ends of the housing (1), and the plurality of supporting feet (19) are symmetrically arranged about the center of the housing (1).

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