CN113217946B - Miniature hot air gun - Google Patents
Miniature hot air gun Download PDFInfo
- Publication number
- CN113217946B CN113217946B CN202010079928.9A CN202010079928A CN113217946B CN 113217946 B CN113217946 B CN 113217946B CN 202010079928 A CN202010079928 A CN 202010079928A CN 113217946 B CN113217946 B CN 113217946B
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- China
- Prior art keywords
- pipe
- conductive
- opposite
- insulating
- heating coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/02—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs for igniting solid fuel
- F23Q7/04—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs for igniting solid fuel with fans for transfer of heat to fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/22—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0423—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between hand-held air guns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
- F24H9/0063—Guiding means in air channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a miniature hot air gun which comprises a body, an air blowing pump, an air outlet pipe and a heating coil, wherein the air blowing pump is arranged in the body, one end of the air outlet pipe is connected with the air blowing pump, one end of the air outlet pipe opposite to the air blowing pump protrudes out of the body, the heating coil is arranged in the air outlet pipe, the heating coil is arranged at one end of the air outlet pipe opposite to the air blowing pump, and the hot air gun can generate an ignition effect by hot air through the structure.
Description
Technical Field
The present invention relates to a heat gun, and more particularly to a micro heat gun.
Background
Please refer to the "high efficiency electric heating device" in taiwan patent No. I659670, which is an electric heating device including a body and a heating head, the heating head is connected to the body, the heating head includes an electric heating wire and a heat storage member, the electric heating wire includes a first section, a second section and a third section, the second section is connected to the first section, the third section is connected to an end of the second section different from the first section, the first section is made of copper, the second section is made of stainless steel, the third section is made of ferrochrome wire, the heat storage member is wrapped around the third section along the radial outer periphery, and the heat storage member is made of porcelain clay.
Generally, the most common ignition method is by using an ignition gun or the electric heating device, however, the ignition gun uses gas as fuel, has high requirements for storage or carrying environment, high danger and direction limitation in use, and the electric heating device can achieve the ignition effect only by contacting with an object.
Disclosure of Invention
The invention mainly aims to provide a hot air gun which comprises a body, an air blowing pump, an air outlet pipe and a heating coil, wherein the air blowing pump is arranged in the body, one end of the air outlet pipe is connected with the air blowing pump, one end of the air outlet pipe opposite to the air blowing pump protrudes out of the body, the heating coil is arranged in the air outlet pipe, the heating coil is arranged at one end of the air outlet pipe opposite to the air blowing pump, and the hot air gun can generate an ignition effect by hot air through the structure.
The air outlet pipe comprises an insulating seat, a conductive pipe, an insulating pipe and a central conducting wire, wherein the insulating seat is arranged in the body, one end of the conductive pipe is connected to the insulating seat, the other end of the conductive pipe protrudes out of the body, the insulating pipe is arranged in the conductive pipe, the insulating pipe is close to one end, opposite to the insulating seat, of the conductive pipe, the central conducting wire is connected to the insulating seat, one end of the central conducting wire penetrates through the inside of the conductive pipe and is close to the insulating pipe, the central conducting wire does not contact the conductive pipe, one end of the heating coil is provided with a first connecting portion, the other end of the heating coil is provided with a second connecting portion, the first connecting portion is connected to the conductive pipe, and the second connecting portion extends into the insulating pipe and is connected to the central conducting wire.
A heating part is arranged between two ends of the heating coil, the heating part is wound into at least one circle, and the heating part is over against an outlet at one end of the conductive tube opposite to the insulating base.
The conductive tube is connected with a conductive coil, the conductive coil is sleeved on the outer periphery of the conductive tube, and the conductive coil winds the conductive tube for at least one circle.
The air outlet pipe comprises a fan cover, the fan cover is sleeved at one end, opposite to the insulating seat, of the conductive pipe, the inner space of the fan cover is communicated with the inner space of the conductive pipe, the heating coil is arranged in the fan cover, one end, opposite to the conductive pipe, of the fan cover is provided with an opening, the heating coil is arranged between the opening and the conductive pipe, a plurality of side holes are radially arranged in the fan cover in a penetrating mode along the conductive pipe, and the plurality of side holes are communicated with the inner space and the outer portion of the fan cover.
The air outlet pipe comprises an air duct, the air duct is flexible, one end of the air duct is sleeved at one end, opposite to the conducting pipe, of the insulating seat, the inner space of the air duct is communicated with the inner space of the insulating seat, one end, opposite to the air duct, of the insulating seat is inserted into the conducting pipe, and the inner space of the insulating seat is communicated with the inner space of the conducting pipe.
One end of the central lead wire, which is opposite to the heating coil, penetrates out of the insulating seat from the position between the conductive tube and the gas guide tube, a power supply and a switch are arranged in the body, the power supply is respectively connected to the switch, the air blowing pump, one end of the central lead wire, which is opposite to the heating coil, and the conductive coil through leads to form a circuit path, the switch can control the air blowing pump to be turned on or off, and the switch can control the heating coil to heat or interrupt heating.
The invention has the advantages that: the hot air gun can generate ignition effect by hot air through the structure.
Drawings
FIG. 1 is a perspective view of a heat gun according to the present invention.
Fig. 2 is an exploded perspective view of the miniature heat gun body according to the present invention.
Fig. 3 is a three-dimensional exploded view of the air outlet pipe of the micro hot air gun of the present invention.
Fig. 4 is a sectional view of the heat gun according to the present invention.
Fig. 5 is a partial enlarged sectional structure view of the micro heat gun according to the present invention.
FIG. 6 is a view showing the usage of the miniature heat gun of the present invention.
Description of reference numerals: 10 hot air gun; 20 a body; 21 a power supply; 22 a switch; 30 an air blower; 40 air outlet pipes; 41 an insulating base; 42 a conductive tube; 43 an insulating tube; 44 a center conductor; 45 an electrically conductive coil; 46 wind shield; 461 opening; 462 a side hole; 47 an airway tube; 50 heating coils; 51 a first connection portion; 52 a second connection portion; and 53 a heating part.
Detailed Description
Referring to fig. 1 to 5, there are shown a perspective view, an exploded view and a sectional structure of a micro heat gun according to the present invention. The hot air gun 10 of the present invention comprises a main body 20, an air blowing pump 30, an air outlet pipe 40 and a heating coil 50; wherein:
the pump 30 is disposed in the body 20.
One end of the air outlet pipe 40 is connected to the air pump 30, and one end of the air outlet pipe 40 opposite to the air pump 30 protrudes out of the body 20.
The heating coil 50 is disposed in the air outlet pipe 40, and the heating coil 50 is disposed at an end of the air outlet pipe 40 opposite to the air blowing pump 30.
The air outlet tube 40 includes an insulating base 41, a conductive tube 42, an insulating tube 43 and a central conductive wire 44, the insulating base 41 is disposed in the body 20, one end of the conductive tube 42 is connected to the insulating base 41, and the other end protrudes out of the body 20, the insulating tube 43 is disposed in the conductive tube 42, the insulating tube 43 is adjacent to one end of the conductive tube 42 opposite to the insulating base 41, the central conductive wire 44 is connected to the insulating base 41, one end of the central conductive wire 44 passes through the interior of the conductive tube 42 and is adjacent to the insulating tube 43, the central conductive wire 44 does not contact the conductive tube 42, one end of the heating coil 50 is provided with a first connecting portion 51 and the other end is provided with a second connecting portion 52, the first connecting portion 51 is connected to the conductive tube 42, and the second connecting portion 52 extends into the insulating tube 43 and is connected to the central conductive wire 44.
A heating portion 53 is disposed between two ends of the heating coil 50, the heating portion 53 is wound into at least one circle, and the heating portion 53 faces an outlet of the conductive tube 42 opposite to the end of the insulating base 41.
The conductive tube 42 is connected with a conductive coil 45, the conductive coil 45 is sleeved on the outer periphery of the conductive tube 42, and the conductive coil 45 is wound around the conductive tube 42 for at least one turn.
The air outlet pipe 40 includes a fan housing 46, the fan housing 46 is sleeved on an end of the conductive pipe 42 opposite to the insulating base 41, an inner space of the fan housing 46 is communicated with an inner space of the conductive pipe 42, the heating coil 50 is disposed in the fan housing 46, an end of the fan housing 46 opposite to the conductive pipe 42 is provided with an opening 461, the heating coil 50 is disposed between the opening 461 and the conductive pipe 42, the fan housing 46 is radially provided with a plurality of side holes 462 along the conductive pipe 42, and the plurality of side holes 462 are communicated with the inner space and the outside of the fan housing 46.
The air outlet pipe 40 includes an air duct 47, the air duct 47 has flexibility, one end of the air duct 47 is sleeved on one end of the insulating base 41 opposite to the conducting pipe 42, an inner space of the air duct 47 is communicated with an inner space of the insulating base 41, one end of the insulating base 41 opposite to the air duct 47 is inserted into the conducting pipe 42, and the inner space of the insulating base 41 is communicated with the inner space of the conducting pipe 42.
The end of the central wire 44 opposite to the heating coil 50 passes through the insulating base 41 from the position between the conductive tube 42 and the gas-guide tube 47, a power supply 21 and a switch 22 are arranged in the body 20, the power supply 21 is respectively connected to the switch 22, the air-blowing pump 30, the end of the central wire 44 opposite to the heating coil 50 and the conductive coil 45 through wires to form a circuit path, the switch 22 can control the air-blowing pump 30 to be turned on or off, and the switch 22 can control the heating coil 50 to heat or interrupt heating.
Please refer to fig. 6, which is a diagram illustrating a state of the micro heat gun according to the present invention. The heat gun 10 can generate ignition effect by hot wind through the structure. The design that the heating coil 50 is disposed at the front end of the air outlet pipe 40 can generate high temperature at the front end of the air outlet pipe 40, so that the hot air gun 10 can directly ignite the object with hot air without contacting the object.
In view of the above, it can be concluded that the present invention has the following advantages:
1. the invention relates to a micro hot air gun, which comprises a body, an air blowing pump, an air outlet pipe and a heating coil, wherein the air blowing pump is arranged in the body, one end of the air outlet pipe is connected with the air blowing pump, one end of the air outlet pipe opposite to the air blowing pump protrudes out of the body, the heating coil is arranged in the air outlet pipe, the heating coil is arranged at one end of the air outlet pipe opposite to the air blowing pump, and the hot air gun can generate an ignition effect by hot air through the structure.
Claims (5)
1. A miniature heat gun is characterized in that the miniature heat gun comprises:
a body;
the air blowing pump is arranged in the body;
one end of the air outlet pipe is connected with the air blowing pump, one end of the air outlet pipe, opposite to the air blowing pump, protrudes out of the body, the air outlet pipe comprises an insulating seat, a conductive pipe, an insulating pipe and a central lead, the insulating seat is arranged in the body, one end of the conductive pipe is connected with the insulating seat, the other end of the conductive pipe protrudes out of the body, the insulating pipe is arranged in the conductive pipe, the insulating pipe is close to one end, opposite to the insulating seat, of the conductive pipe, the central lead is connected with the insulating seat, one end of the central lead penetrates through the interior of the conductive pipe and is close to the insulating pipe, the central lead does not contact with the conductive pipe, the conductive pipe is connected with a conductive coil, the conductive coil is sleeved on the outer periphery of the conductive pipe, and the conductive coil is wound around the conductive pipe for at least one circle;
the heating coil is arranged in the air outlet pipe, the heating coil is arranged at one end, opposite to the air blowing pump, of the air outlet pipe, a first connecting portion is arranged at one end of the heating coil, a second connecting portion is arranged at the other end of the heating coil, the first connecting portion is connected to the conducting pipe, and the second connecting portion extends into the insulating pipe and is connected to the central wire.
2. The miniature heat gun of claim 1, wherein: the heating coil is provided with a heating part between two ends thereof, the heating part is wound into at least a circle, and the heating part is over against an outlet of one end of the conductive tube opposite to the insulating base.
3. The miniature heat gun of claim 2, wherein: the air outlet pipe comprises a fan cover, the fan cover is sleeved at one end, opposite to the insulating seat, of the conductive pipe, the inner space of the fan cover is communicated with the inner space of the conductive pipe, the heating coil is arranged in the fan cover, one end, opposite to the conductive pipe, of the fan cover is provided with an opening, the heating coil is arranged between the opening and the conductive pipe, a plurality of side holes are radially arranged in the fan cover in a penetrating mode along the conductive pipe, and the plurality of side holes are communicated with the inner space and the outer portion of the fan cover.
4. A miniature heat gun as claimed in claim 3, wherein: the air outlet pipe comprises an air duct, the air duct is flexible, one end of the air duct is sleeved at one end, opposite to the conducting pipe, of the insulating seat, the inner space of the air duct is communicated with the inner space of the insulating seat, one end, opposite to the air duct, of the insulating seat is inserted into the conducting pipe, and the inner space of the insulating seat is communicated with the inner space of the conducting pipe.
5. The miniature heat gun according to claim 4, wherein: one end of the central lead wire, which is opposite to the heating coil, penetrates out of the insulating seat from the position between the conductive tube and the gas guide tube, a power supply and a switch are arranged in the body, the power supply is respectively connected to the switch, the air blowing pump, one end of the central lead wire, which is opposite to the heating coil, and the conductive coil through leads to form a circuit path, the switch can control the air blowing pump to be turned on or off, and the switch can control the heating coil to heat or interrupt heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079928.9A CN113217946B (en) | 2020-02-04 | 2020-02-04 | Miniature hot air gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079928.9A CN113217946B (en) | 2020-02-04 | 2020-02-04 | Miniature hot air gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113217946A CN113217946A (en) | 2021-08-06 |
| CN113217946B true CN113217946B (en) | 2022-09-16 |
Family
ID=77085348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010079928.9A Active CN113217946B (en) | 2020-02-04 | 2020-02-04 | Miniature hot air gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217946B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM260703U (en) * | 2004-07-15 | 2005-04-01 | Huang-Shi Shiu | Windproof lighter gun |
| TWI524040B (en) * | 2014-10-03 | 2016-03-01 | Handheld electronic cigarette lighter tools | |
| CN105546577B (en) * | 2016-01-25 | 2017-12-05 | 常州市金茂电动工具制造有限公司 | Point carbon device |
| CN206216073U (en) * | 2016-08-09 | 2017-06-06 | 上海斐讯数据通信技术有限公司 | A kind of heat gun |
-
2020
- 2020-02-04 CN CN202010079928.9A patent/CN113217946B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113217946A (en) | 2021-08-06 |
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