Heating structure of heat gun

Abstract

The utility model relates to the technical field of hot air gun heating structures, in particular to a hot air gun heating structure which comprises an air heater body, an air outlet is formed in one side of the air heater body, a heating structure is arranged at the air outlet, the heating structure comprises a limiting connecting pipe arranged on the inner side of the air outlet in a sliding mode, and a lower metal half pipe is fixed to one side of the limiting connecting pipe. An upper metal half pipe is arranged above the lower half metal sheet, a heating core structure is arranged between the upper metal half pipe and the lower metal half pipe, protruding plates are fixed to the outer sides of the upper metal half pipe and the lower metal half pipe and located on the contact end faces, clamping buckle plates are clamped to the outer sides of the protruding plates, and grooves are formed in the positions, located on the clamping buckle plates, of the inner side of the air outlet. Clamping bolts are rotationally connected to the upper side and the lower side of the air heater and located at the air outlets in a threaded mode. The hot air gun solves the problem that when a heating core assembly of an existing hot air gun needs to be replaced, the whole gun body needs to be disassembled for replacement, and operation is troublesome.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot -air gun heating structure technical field, specifically point to a kind of heating structure of hot -air gun. BACKGROUND

[0002] Hot -air gun, also known as hot -air plastic welder, hot -air fusion machine etc., is a kind of hot air that the gun core of heating resistance wire blows is used to weld and pick up component tool;

[0003] The heating structure in the existing hot -air gun generally includes a metal pipe, a ceramic column is inserted in the metal pipe, heating resistance wire is spirally arranged on the outer side of the ceramic column, and a plurality of through grooves are formed in the axial direction of the ceramic column for hot air circulation.

[0004] However, the existing hot -air gun heating structure is generally positioned by a plurality of screws, and when the heating core is damaged and needs to be replaced, all the screws need to be removed, the entire hot -air gun needs to be disassembled, and then the heating core needs to be pulled out of the metal pipe for replacement, which is relatively troublesome to operate. INVENTION CONTENTS

[0005] The utility model solves the technical problems that the existing hot -air gun needs to be disassembled for replacing the heating core assembly, which is relatively troublesome to operate.

[0006] To solve the above problems, the utility model adopts the technical scheme of a kind of heating structure of hot -air gun, including hot -air machine body, the side of hot -air machine body is equipped with air outlet, air outlet is equipped with heating structure, heating structure includes the limit connection pipe of sliding arrangement in the inner side of air outlet, the side of limit connection pipe is fixed with lower metal half pipe, lower metal half pipe is equipped with upper metal half pipe above, and upper metal half pipe and lower metal half pipe are equipped with heating core structure between the outer side of lower metal half pipe and lower metal half pipe at contact end surface position Fixed with lug, lug outer side is clamped with clamping buckle, recess is formed in the inner side of air outlet at clamping buckle position, and the clamping bolt of screw rotation connection is formed in the inner side of air outlet at clamping buckle position.

[0007] As a further scheme of the utility model: the inside of hot -air machine body is equipped with micro turbine blower, for blowing, and one side of hot -air machine body is connected with electric wire, and micro turbine blower and heating core structure are electrically connected with external power supply through electric wire.

[0008] As a further scheme of the utility model: the end of two clamping bolts is respectively abutted with the outer side of upper metal half pipe and lower metal half pipe, so as to fix the position of upper metal half pipe and lower metal half pipe.

[0009] As a further scheme of the utility model: the upper metal half pipe and the lower metal half pipe are located at the inner side of the air outlet, preventing the gap between the upper metal half pipe and the lower metal half pipe, and being used for the close installation of the upper metal half pipe.

[0010] As a further scheme of the utility model: the convex plate and the clamping buckle plate are inserted at the inner side of the groove, being used for fixing the position between the upper metal half pipe and the lower metal half pipe.

[0011] As a further scheme of the utility model: the inner side of the air outlet is fixed with a blocking ring at the outer side of the limiting connecting pipe, being used for limiting the sliding position of the limiting connecting pipe.

[0012] The utility model has the advantages that compared with the prior art, the metal pipe is divided into the upper metal half pipe and the lower metal half pipe, and is fixed in position through the clamping buckle plate, the clamping bolt and the groove at the air outlet, so that the structure is simple, the heating core structure can be conveniently disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0014] Figure 1 It is the overall structure perspective view in the heating structure of a hot air gun of the utility model.

[0015] Figure 2 It is the partial structure sectional view in the heating structure of a hot air gun of the utility model.

[0016] Figure 3 It is the heating structure explosion view in the heating structure of a hot air gun of the utility model.

[0017] Figure 4 It is the A part structure enlarged view in the heating structure of a hot air gun of the utility model.

[0018] In the drawings:

[0019] 1, hot air machine body;2, limiting connecting pipe;3, lower metal half pipe;4, upper metal half pipe;5, heating core structure;6, convex plate;7, clamping buckle plate;8, clamping bolt;9, micro turbine air blower;10, blocking ring;1.1, air outlet;1.2, groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0021] The present application provides a technical solution: in order to solve the existing problems raised in the background art.

[0022] The drawings are attached Figures 1-4 It can be known that the hot air machine body 1 is provided with an air outlet 1.1 on one side, the air outlet 1.1 is provided with a heating structure, the heating structure comprises a limiting connecting pipe 2 slidingly arranged on the inner side of the air outlet 1.1, a lower metal half pipe 3 is fixed on one side of the limiting connecting pipe 2, an upper metal half pipe 4 is arranged above the lower metal half pipe 3, a heating core structure 5 is arranged between the upper metal half pipe 4 and the lower metal half pipe 3, a lug plate 6 is fixed at the contact end face of the outer side of the upper metal half pipe 4 and the lower metal half pipe 3, a clamping buckle plate 7 is clamped on the outer side of the lug plate 6, a groove 1.2 is arranged on the inner side of the air outlet 1.1 at the clamping buckle plate 7, the upper metal half pipe 4 and the lower metal half pipe 3 are arranged on the inner side of the air outlet 1.1, so as to prevent the gap between the upper metal half pipe 4 and the lower metal half pipe 3, and the upper metal half pipe 4 is tightly installed, the lug plate 6 and the clamping buckle plate 7 are inserted on the inner side of the groove 1.2, so as to fix the position between the upper metal half pipe 4 and the lower metal half pipe 3;

[0023] The upper and lower sides of the hot air machine body 1 are both provided with clamping bolts 8 at the air outlet 1.1, one end of the two clamping bolts 8 respectively abuts against the outer side of the upper metal half pipe 4 and the lower metal half pipe 3, so as to fix the position of the upper metal half pipe 4 and the lower metal half pipe 3;

[0024] The drawings are attached Figure 1 , 2 It can be known that the hot air machine body 1 is provided with a micro turbine fan 9 inside, which is used for blowing, an electric wire is connected on one side of the hot air machine body 1, the micro turbine fan 9 and the heating core structure 5 are electrically connected with an external power supply through the electric wire, and a blocking ring 10 is fixed on the inner side of the air outlet 1.1 at one end of the outer side of the limiting connecting pipe 2, so as to limit the sliding position of the limiting connecting pipe 2.

[0025] The working principle of the present application is as follows: in the process of replacing the heating core structure 5, first, the clamping bolt 8 is rotated to loosen the upper metal half pipe 4 and the lower metal half pipe 3, then the upper metal half pipe 4 and the lower metal half pipe 3 are pulled outwards from the air outlet 1.1, and at the same time, the limiting connecting pipe 2 will also slide outwards until the upper metal half pipe 4 can be completely exposed, and the clamping buckle 7 is separated from the groove 1.2, at this time, the limiting connecting pipe 2 will be blocked by the blocking ring 10, then the clamping buckle 7 is removed from the outer side of the convex plate 6, and then the upper metal half pipe 4 is directly opened, the heating core structure 5 is replaced, and the whole operation is simple and time-saving;

[0026] After the replacement is completed, the upper metal half pipe 4 is placed on the lower metal half pipe 3, then the clamping buckle 7 is clamped on the outer side of the convex plate 6, the upper metal half pipe 4 and the lower metal half pipe 3 are pushed into the air outlet 1.1, the clamping buckle 7 is inserted into the groove 1.2 for limiting, until the upper metal half pipe 4 and the lower metal half pipe 3 touch the blocking ring 10, then the movement is stopped, the two clamping bolts 8 are rotated to position the upper metal half pipe 4 and the lower metal half pipe 3, and the installation is completed.

[0027] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A heating structure of a hot air gun, comprising a hot air blower body (1), one side of the hot air blower body (1) is provided with an air outlet (1.1), characterized in that: The air outlet (1.1) is provided with a heating structure, the heating structure comprises a limiting connecting pipe (2) slidingly arranged in the inner side of the air outlet (1.1), one side of the limiting connecting pipe (2) is fixedly provided with a lower metal half pipe (3), an upper metal half pipe (4) is arranged above the lower metal half pipe (3), a heating core structure (5) is arranged between the upper metal half pipe (4) and the lower metal half pipe (3), the outer side of the upper metal half pipe (4) and the lower metal half pipe (3) is fixedly provided with a lug plate (6) at the contact end face, the outer side of the lug plate (6) is clamped with a clamping buckle plate (7), a groove (1.2) is arranged in the inner side of the air outlet (1.1) at the clamping buckle plate (7), and the upper and lower sides of the hot air fan body (1) are both screw-rotationally connected with clamping bolts (8) at the air outlet (1.1).

2. The heating structure of a hot air gun according to claim 1, wherein: The hot air fan body (1) is internally provided with a micro turbine fan (9), one side of the hot air fan body (1) is connected with an electric wire, and the micro turbine fan (9) and the heating core structure (5) are electrically connected with an external power supply through the electric wire.

3. The heating structure of a hot air gun according to claim 1, wherein: One end of each of the two clamping bolts (8) abuts against the outer side of the upper metal half pipe (4) and the lower metal half pipe (3).

4. The heating structure of a hot air gun according to claim 1, wherein: The upper metal half pipe (4) and the lower metal half pipe (3) are arranged in the inner side of the air outlet (1.1).

5. The heating structure of a hot air gun according to claim 1, wherein: The lug plate (6) and the clamping buckle plate (7) are inserted in the inner side of the groove (1.2).

6. The heating structure of a hot air gun according to claim 1, wherein: A blocking ring (10) is fixedly arranged at one end of the outer side of the limiting connecting pipe (2) in the inner side of the air outlet (1.1).

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