CN218955183U - Hot air gun with air quantity control structure - Google Patents

Abstract

The utility model discloses a hot air gun with an air quantity control structure, which comprises a main body, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are connected at two ends of the main body, a heating resistance wire is arranged on the inner wall of one end, close to the air outlet pipe, of the main body, an air inlet mechanism is arranged at the other end of the main body, the air inlet mechanism comprises a shell, a motor and fan blades, the inner wall of the main body is fixedly connected with one end of the shell, a fixing frame in the main body at the other end of the shell is connected with the other end of the shell through a connecting pipe, the motor is arranged on a mounting frame in the shell, an adjusting mechanism is arranged between the heating resistance wire and the air inlet mechanism, the adjusting mechanism comprises a rotary drum and a baffle, and the rotary drum is integrally sleeved at the outer side of the connecting pipe and is rotationally connected with the connecting pipe, and the hot air gun has the beneficial effects that: through rotating the rotary drum, the quantity of the first through holes corresponding to the openings is adjusted, and then the exhaust air quantity is rapidly adjusted, and the power of the motor is not influenced.

Description

Hot air gun with air quantity control structure

Technical Field

The utility model relates to the technical field of heat gun correlation, in particular to a heat gun with an air quantity control structure.

Background

The hot air gun mainly utilizes the gun head of the heating resistance wire to blow out hot air to weld and pick up the components, the existing hot air gun consists of gun head and gun handle, the gun handle is the gun body, and the gun handle is internally provided with parts such as a motor.

The existing heat gun has the following defects when in use: the control of the air quantity is realized through the power regulation of the motor, and an additional motor control switch is required, and meanwhile, after the motor is repeatedly regulated, the service life of the motor is influenced; furthermore, after the element is heated, the element is naturally cooled, so that the working efficiency is affected.

Disclosure of Invention

The utility model aims to provide a hot air gun with an air quantity control structure, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hot air gun with amount of wind control structure, includes the main part, connects air-supply line, the exhaust pipe at the main part both ends, the main part is being close to the one end inner wall of exhaust pipe and is provided with heating resistor silk, air inlet mechanism is installed to the other end of main part, air inlet mechanism includes casing, motor and flabellum, the inner wall fixed connection of main part is installed to the one end of casing, the inside mount of other end main part of casing passes through the connecting pipe and connects, the motor sets up on the inside mounting bracket of casing, the main part is provided with adjustment mechanism between heating resistor silk and air inlet mechanism, adjustment mechanism includes rotary drum, baffle, the outside at the connecting pipe is established to the whole cover of rotary drum, and with the connecting pipe rotates and is connected, the both ends terminal surface of rotary drum is provided with first thru hole, second thru hole respectively, the baffle sets up in one side of mount, the opening has been seted up to the baffle, the air outlet has been seted up at the side that is close to air-supply line one end to the main part.

Preferably, the pipe wall of the connecting pipe is communicated with the inside of the rotary drum through a plurality of vent holes.

Preferably, edges at two ends of the rotary drum are rotationally connected with grooves of the main body through sliding rail sliding grooves, and the main body is provided with sealing rings at sliding rails.

Preferably, a heat dissipation assembly is arranged on the outer side surface of the shell of the air inlet mechanism, the heat dissipation assembly is composed of a plurality of groups of heat dissipation fins, and a plurality of groups of heat dissipation fins are arranged in a staggered manner.

Preferably, the main body and the baffle are made of heat-resistant heat-insulating materials.

Preferably, the outer wall of the connecting tube is provided with damping at the connection with the drum.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the rotary drum in the middle part of main part to set up first thru hole, second thru hole respectively at the both ends terminal surface of rotary drum, set up the baffle in one side of mount, and set up the opening on the baffle, through rotating the rotary drum when using, thereby adjust the quantity with the first thru hole that the opening corresponds, and then carry out quick regulation to the volume of airing exhaust, and do not influence the power of motor, discharge partial air current through the air outlet of main part outer wall simultaneously, after heating, with the air outlet towards heating position, carry out quick heat dissipation cooling through the exhaust air current to heating position.

Drawings

FIG. 1 is a schematic overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the main body of the present utility model;

FIG. 3 is a schematic view of a baffle plate according to the present utility model;

FIG. 4 is a left side view of the drum of the present utility model;

fig. 5 is a schematic structural view of a connecting pipe according to the present utility model.

In the figure: 1. a main body; 2. an air inlet pipe; 3. an exhaust pipe; 4. heating the resistance wire; 5. a housing; 6. a motor; 7. a fan blade; 8. a fixing frame; 9. a connecting pipe; 10. a rotating drum; 11. a baffle; 12. a first through hole; 13. a second through hole; 14. an air outlet; 15. a vent hole; 16. a heat radiation fin; 17. an opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a heat gun with amount of wind control structure, includes main part 1, connects at air-supply line 2, the exhaust pipe 3 at main part 1 both ends, main part 1 is being provided with heating resistor wire 4 near the one end inner wall of exhaust pipe 3, air inlet mechanism is installed to the other end of main part 1, air inlet mechanism includes casing 5, motor 6 and flabellum 7, the inner wall fixed connection of main part 1 is installed to the one end of casing 5, the inside mount 8 of the other end main part 1 of casing 5 passes through connecting pipe 9 to be connected, motor 6 sets up on the inside mounting bracket of casing 5, main part 1 is provided with adjustment mechanism between heating resistor wire 4 and air inlet mechanism, adjustment mechanism includes rotary drum 10, baffle 11, rotary drum 10 whole cover is established in the outside of connecting pipe 9, and with connecting pipe 9 rotation is connected, the both ends terminal surface of rotary drum 10 is provided with first thru hole 12, second thru hole 13 respectively, baffle 11 sets up in one side of mount 8, opening 17 has been seted up to baffle 11, air outlet 14 has been seted up at the side that is close to air-supply line 2 one end to main part 1.

The pipe wall of the connecting pipe 9 is communicated with the inside of the rotary drum 10 through a plurality of ventilation holes 15.

The edges of the two ends of the rotary drum 10 are rotatably connected with the grooves of the main body 1 through sliding rail sliding grooves, and the main body 1 is provided with sealing rings at sliding rails.

The air inlet mechanism is characterized in that a heat radiating component is arranged on the outer side surface of the shell 5 of the air inlet mechanism and consists of a plurality of groups of heat radiating fins 16, and the heat radiating fins 16 are arranged in a staggered manner.

The main body 1 and the baffle 11 are made of high-temperature resistant heat insulation materials.

The outer wall of the connecting tube 9 is provided with damping at the connection with the drum 10.

It can be understood that the whole air inlet pipe 2 is made of hard materials, and the whole air inlet pipe 2 can be used as a handle during use.

Specifically, when the utility model is used, after the device is integrally installed and connected, in the use process, the motor 6 drives the fan blades 7 to rotate, so that air enters the inside of the connecting pipe 9 through the air inlet pipe 2, then enters between the heating resistance wires 4 through the first through holes 12 of the rotary drum 10 and the openings 17 of the baffle 11, and is discharged from the exhaust pipe 3 after being heated;

in the above process, when the drum 10 is rotated, part of the first through holes 12 and the baffle 11 are staggered, namely, part of air is discharged through the exhaust pipe 3 by reducing or increasing the number of the first through holes 12 at the opening 17, so that the rapid adjustment of the exhaust air quantity is realized, and the rest part of air enters a gap between the shell 5 and the main body 1 through the second through holes 13 and is finally discharged through the air outlet 14;

when the air flow enters the gap, the air flow contacts with the radiating fins 16, so that the heat of the shell 5 and the motor 6 inside the shell is radiated, and after the heating is finished, the air flow discharged from the air outlet 14 rapidly cools the heating part by directing the air outlet 14 towards the heating part.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a hot air gun with air volume control structure, its characterized in that includes main part (1), connects air-supply line (2) at main part (1) both ends, exhaust pipe (3), main part (1) is being close to one end inner wall of exhaust pipe (3) and is being provided with heating resistor wire (4), air inlet mechanism is installed to the other end of main part (1), air inlet mechanism includes casing (5), motor (6) and flabellum (7), the inner wall fixed connection of main part (1) is installed to the one end of casing (5), mount (8) inside other end main part (1) of casing (5) are connected through connecting pipe (9), motor (6) set up on the inside mounting bracket of casing (5), main part (1) are provided with adjustment mechanism between heating resistor wire (4) and air inlet mechanism, adjustment mechanism includes rotary drum (10), baffle (11), rotary drum (10) wholly overlap and establish in the outside of rotary drum (9) and with connecting pipe (9) rotate and be connected, the terminal surface of rotary drum (10) is provided with first (12) respectively, second (8) are provided with through-hole (17) opening in the mount (17), an air outlet (14) is formed in the side face, close to one end of the air inlet pipe (2), of the main body (1).

2. The heat gun with air volume control structure of claim 1, wherein: the pipe wall of the connecting pipe (9) is communicated with the inside of the rotary drum (10) through a plurality of vent holes (15).

3. The heat gun with air volume control structure of claim 1, wherein: the edges of the two ends of the rotary drum (10) are rotationally connected with the grooves of the main body (1) through sliding rail sliding grooves, and the main body (1) is provided with sealing rings at the sliding rail.

4. The heat gun with air volume control structure of claim 1, wherein: the air inlet mechanism is characterized in that a heat radiating component is arranged on the outer side surface of a shell (5) of the air inlet mechanism and consists of a plurality of groups of heat radiating fins (16), and the heat radiating fins (16) are arranged in a staggered mode.

5. The heat gun with air volume control structure of claim 1, wherein: the main body (1) and the baffle (11) are made of high-temperature-resistant heat insulation materials.

6. The heat gun with air volume control structure of claim 1, wherein: the outer wall of the connecting pipe (9) is provided with damping at the joint with the rotary drum (10).

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