阅读说明：本技术 一种加热装置 (Heating device ) 是由 涂均 龙建兵 郭志英 胡如国 于 2021-07-30 设计创作，主要内容包括：本发明涉及加热设备技术领域,尤其是一种加热装置,包括电热管、用于给电热管通电的金属电极、温控器,还包括两个安装支架,两个所述安装支架均具有电极安装部,两个所述电极安装部相配合,所述金属电极包括两个部件,所述金属电极的一个部件夹紧于一个所述电极安装部与所述电热管外壁之间,至少一个所述安装支架具有温控器安装部,所述温控器至少部分与所述温控器安装部卡扣固定和/或折弯固定。本装置不仅有利于提高整个装置的整体性,而且降低温控器安装难度,可以提高温控器装配效率,利用安装座的结构特征完成温控器及金属电极的快速装配,便于实现自动化装配。(The invention relates to the technical field of heating equipment, in particular to a heating device which comprises an electric heating tube, metal electrodes for electrifying the electric heating tube, a temperature controller and two mounting brackets, wherein the two mounting brackets are respectively provided with an electrode mounting part, the two electrode mounting parts are matched, each metal electrode comprises two parts, one part of each metal electrode is clamped between one electrode mounting part and the outer wall of the electric heating tube, at least one mounting bracket is provided with a temperature controller mounting part, and at least part of the temperature controller is fixedly buckled and/or bent with the temperature controller mounting part. This device not only is favorable to improving the wholeness of whole device, reduces the temperature controller installation degree of difficulty moreover, can improve temperature controller assembly efficiency, utilizes the structural feature of mount pad to accomplish the rapid Assembly of temperature controller and metal electrode, is convenient for realize automatic assembly.)

1. The utility model provides a heating device, includes electrothermal tube (14), is used for electrothermal tube circular telegram metal electrode (13), temperature controller (8), its characterized in that, still includes two installing support (9), two installing support (9) all have electrode mounting portion, two electrode mounting portion cooperatees, metal electrode (13) include first part and second part, first part press from both sides tightly in one electrode mounting portion with between electrothermal tube (14) outer wall, the second part press from both sides tightly in another electrode mounting portion with between electrothermal tube (14) outer wall, first part with the second part electricity is connected, at least one installing support (9) have the temperature controller installation department, temperature controller (8) with the temperature controller installation department is fixed.

2. A heating device according to claim 1, wherein the mounting bracket (9) has a main body portion (5) and an extension portion (6) integrally formed, the main body portion is adjacent to an end portion of the electric heating tube, the extension portion is located at an outer periphery of the electric heating tube and spaced from the electric heating tube, along a length direction of the electric heating tube, the extension portion is away from the end portion of the electric heating tube relative to the main body portion, the electrode mounting portion is disposed on the main body portion (5), the temperature controller mounting portion is disposed on the extension portion (6), and at least a portion of the temperature controller is fixed to the temperature controller mounting portion by snapping and/or bending.

3. A heating device according to claim 2,

the temperature controller installation part comprises an extension plate (29), the extension plate (29) is provided with a limiting groove (36), the main body part of the temperature controller (8) is limited in the limiting groove (36), and the installation plate of the temperature controller is fixed with the extension plate in a buckling mode and/or is fixed in a bending mode.

4. A heating device according to any one of claims 1-3, wherein said metal electrode (13) comprises two conductive metal sheets (24) disposed on both sides of the electric heating tube (14), said first part is one of the conductive metal sheets, said second part is the other of the conductive metal sheets, said first part and said second part each have a recessed electrical connection portion (21), said electrode mounting portion has a recessed portion (12) on a side close to the electric heating tube (14), said recessed electrical connection portion (21) is located between an outer wall of said electric heating tube (14) and said recessed portion (12);

the metal electrode has a terminal portion located outside the mounting bracket, and the first member and the second member are electrically connected at the terminal portion.

5. A heating device according to claim 4, wherein the number of the groove connecting parts is more than two, a flat plate part (19) is integrally formed between every two groove connecting parts (21), the electrode mounting part is provided with a convex part (11), the convex part (11) is positioned between every two concave parts (12), and the convex part (11) abuts against one side of the flat plate part (19) far away from the electrothermal tube (14); the flat plate part (19) is provided with a second through hole (20), the electrode mounting parts are provided with a first through hole (17) and inserting rods (15), and the inserting rod (15) on one electrode mounting part penetrates through the second through hole (20) of the flat plate part (19) and is inserted into the first through hole (17) of the other electrode mounting part.

6. A heating device according to claim 5, wherein the protruding portion (11) is integrally formed with more than two first bosses (23), the first bosses (23) on the two electrode mounting portions abut against each other laterally, and/or a limiting notch (18) is left between the first bosses (23) on the same protruding portion (11), and the flat plate portion (19) of the conductive metal sheet (24) is embedded in the limiting notch (18);

or the bulge (11) is integrally formed with a second boss (25), a limiting opening (26) is formed between the second boss (25) and the bulge (11), and the flat plate part (19) is embedded in the limiting opening (26); and/or the side surfaces of the second bosses (25) on the two electrode mounting parts are abutted;

or more than two third bosses (27) are integrally formed on the protruding part (11), bayonets (28) are formed between the more than two third bosses (27) and the protruding part (11), and the flat plate part (19) is buckled in the bayonets (28); and/or the side surfaces of the third bosses (27) on the two electrode mounting parts are abutted.

7. A heating device according to claim 4, characterized in that the middle of the groove connecting part (21) is provided with an elastic part (22), the elastic part (22) protrudes towards the side of the groove connecting part (21) far away from the electrothermal tube (14), the curvature radius of the elastic part (22) is smaller than that of the groove connecting part (21), and the concave part (12) is provided with a groove (16) at the position corresponding to the elastic part (22).

8. A heating device according to claim 2 or 3,

the mounting bracket (9) is provided with a shell (7), and the shell (7) is assembled and connected with the main body part (5) or integrally formed;

an inserting seam (31) for inserting a mounting plate (32) of the temperature controller (8) is reserved between the extension plate (29) and the shell (7), a reverse buckling part protrudes from one side, close to the shell (7), of the extension plate (29), and the mounting plate of the temperature controller and the reverse buckling part are arranged in a limiting mode; the reverse buckle part is a first reverse buckle (33) of a bump structure integrally formed with the extension plate (29), and the first reverse buckle (33) is buckled in a mounting hole (35) of the mounting plate (32); or the first reverse buckle (33) is buckled at the edge position of the mounting plate (32) far away from the limiting groove (36); or the reverse buckling part is an elastic arm (34) integrally formed with the extension plate (29), one side, close to the shell, of the elastic arm (34) is a wedge-shaped surface, the limiting surface of the elastic arm (34) is far away from the insertion end (30), and part of the elastic arm (34) is buckled in a mounting hole (35) of the mounting plate (32); or the elastic arm (34) is buckled at the edge position of the mounting plate (32) far away from the limiting groove (36);

or the side part of the extension plate (29) is integrally formed with a protrusion (37), the mounting plate (32) comprises a main body part and a bent part which are integrally arranged, the main body part is positioned in the insertion slot (31), the bent part extends out of the extension plate, the bent part is provided with a mounting hole (35), and the protrusion (37) is limited in the mounting hole (35);

or more than two second inversed buckles (38) are arranged on the surface of the extension plate (29), and the mounting plate (32) of the temperature controller (8) is limited between the second inversed buckles (38) and the surface of the extension plate (29) in a buckling mode; the surface of the extension plate (29) is provided with more than two limiting columns (40), and the limiting columns (40) penetrate through the mounting holes (35) of the mounting plate (32);

or extend board (29) surface and be equipped with third back-off (39) that two symmetries set up, two leave between third back-off (39) and be equipped with and dodge the space, third back-off (39) include with extension board (29) integrated into one piece's supporting part, supporting part tip integrated into one piece has the back-off protruding, third back-off (39) run through mounting hole (35) of mounting panel (32), mounting hole (35) are spacing between the back-off is protruding and extension board (29) surface.

9. The heating device according to claim 1 or 2 or 3 or 5 or 6 or 7, characterized in that the heating device further comprises a communication bracket (2), the communication bracket (2) is provided with a column (3), two ends of the main body part (5) of each mounting bracket (9) are provided with first slots (4) for the column (3) to be inserted and matched, after the two mounting brackets (9) are aligned, the columns (3) at four corners of the communication bracket (2) are inserted into the corresponding first slots (4) so that the two mounting brackets (9) are tightly pressed together, and the column (3) is connected with the main body part (5) through bolts;

and/or the mounting bracket (9) has a housing (7), the housing (7) being integrally formed with the main body portion (5); or the shell (7) is assembled and connected with the main body part (5), a second clamping groove (10) is formed in one surface, close to the shell, of the main body part (5), and the end part of the shell (7) is embedded in the second clamping groove (10);

the electric heating tube (14) is at least partially arranged between the shells (7) of the two mounting brackets (9).

10. A heating device according to claim 9, wherein the communicating bracket (2) has a liquid flow passage (1), the electric heating tube (14) forms a heating path through the liquid flow passage (1) of the communicating bracket (2), the heating path has a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are arranged on the communicating bracket (2).

Technical Field

The invention relates to the technical field of heating equipment, in particular to a heating device.

Background

The present fast heating element process many promptly is in production process, because heating element has a plurality of parts such as heating pipe, connecting line, electrode, electric wire, temperature controller, every part all needs the equipment, and the equipment process is complicated, for example when installing the electrode, need bend into the arc cover with flat electrode and overlap in the heating pipe periphery, aim at the electrode position through screw or nut, aim at the fixed orifices of screw or nut and casing again fixedly, the equipment is manual operation, inefficiency.

Disclosure of Invention

The invention aims to solve the problem of low assembly efficiency of a heating assembly and provides a heating device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a heating device, includes the electrothermal tube, is used for metal electrode, the temperature controller for the electrothermal tube circular telegram, still includes two installing supports, two the installing support all has electrode installation department, two the electrode installation department cooperatees, metal electrode includes first part and second part, first part press from both sides tightly in one the electrode installation department with between the electrothermal tube outer wall, the second part press from both sides tightly in another the electrode installation department with between the electrothermal tube outer wall, first part with the second part electricity is connected, at least one the installing support has the temperature controller installation department, the temperature controller with the temperature controller installation department is fixed.

The installing support has integrative main part, the extension that sets up, the main part is close to the end position of electrothermal tube, the extension is located the periphery of electrothermal tube just the extension with the electrothermal tube interval sets up, along the length direction of electrothermal tube, the extension is relative the main part is kept away from the end position of electrothermal tube, the electrode installation department sets up the main part, the temperature controller installation department sets up the extension, at least part of temperature controller with the temperature controller installation department buckle is fixed and/or is bent fixedly.

The temperature controller installation part comprises an extension plate, the extension plate is provided with a limiting groove, the main body part of the temperature controller is limited in the limiting groove, and the installation plate of the temperature controller is fixed with the extension plate in a buckling mode and/or is fixed in a bending mode.

The metal electrode comprises two conductive metal sheets distributed on two sides of the electric heating tube, the first part is one of the conductive metal sheets, the second part is the other conductive metal sheet, the first part and the second part are both provided with groove connection parts, one side of the electrode mounting part close to the electric heating tube is provided with a concave part, and the groove connection parts are positioned between the outer wall of the electric heating tube and the concave part;

the metal electrode has a terminal portion located outside the mounting bracket, and the first member and the second member are electrically connected at the terminal portion.

The electrode mounting part is provided with a convex part which is positioned between every two concave parts and is propped against one side of the flat plate part far away from the electric heating tube; the flat plate part is provided with a second through hole, the electrode mounting part is provided with a first through hole and an inserting rod, and the inserting rod on the electrode mounting part penetrates through the second through hole of the flat plate part and is inserted into the first through hole of the other electrode mounting part.

The electrode mounting structure comprises a projection part, an electrode mounting part and a conducting metal sheet, wherein more than two first bosses are integrally formed on the projection part, the side surfaces of the first bosses on the two electrode mounting parts are abutted, and/or a limiting notch is reserved between the first bosses on the same projection part, and the flat plate part of the conducting metal sheet is embedded in the limiting notch;

or the bulge is integrally formed with a second boss, a limit opening is formed between the second boss and the bulge, and the flat plate part is embedded in the limit opening; and/or the side surfaces of the second bosses on the two electrode mounting parts are abutted;

or more than two third bosses are integrally formed on the protruding part, bayonet openings are formed between the more than two third bosses and the protruding part, and the flat plate part is buckled in the bayonet openings; and/or the side surfaces of the third bosses on the two electrode mounting parts are abutted.

The electric heating tube is characterized in that an elastic part is arranged in the middle of the groove power connection part, the elastic part protrudes out of one side, far away from the electric heating tube, of the groove power connection part, the curvature radius of the elastic part is smaller than that of the groove power connection part, and a groove is formed in the position, corresponding to the elastic part, of the concave part.

The mounting bracket is provided with a shell which is assembled and connected with the main body part or integrally formed;

an inserting seam for inserting the mounting plate of the temperature controller is reserved between the extension plate and the shell, an inverted buckle part protrudes from one side of the extension plate close to the shell, and the mounting plate of the temperature controller and the inverted buckle part are arranged in a limiting mode; the inverted buckle part is a first inverted buckle of a convex point structure integrally formed with the extension plate, and the first inverted buckle is buckled in a mounting hole of the mounting plate; or the first reverse buckle is buckled at the edge position of the mounting plate far away from the limiting groove; or the reverse buckling part is an elastic arm integrally formed with the extension plate, one surface of the elastic arm close to the shell is a wedge-shaped surface, a limiting surface of the elastic arm is arranged far away from the insertion end, and the elastic arm part is buckled in a mounting hole of the mounting plate; or the elastic arm is buckled at the edge position of the mounting plate far away from the limiting groove;

or the side part of the extension plate is integrally formed with a bulge, the mounting plate comprises a main body part and a bent part which are integrally arranged, the main body part is positioned in the insertion slot, the bent part extends out of the extension plate, the bent part is provided with a mounting hole, and the bulge is limited in the mounting hole;

or more than two second reverse buckles are arranged on the surface of the extension plate, and the mounting plate of the temperature controller is limited between the second reverse buckles and the surface of the extension plate in a buckling mode; the surface of the extension plate is provided with more than two limiting columns, and the limiting columns penetrate through the mounting holes of the mounting plate;

or the extension board surface is equipped with the third back-off that two symmetries set up, two it dodges the space to leave to be equipped with between the third back-off, the third back-off include with extension board integrated into one piece's supporting part, supporting part tip integrated into one piece has the back-off arch, the third back-off runs through the mounting hole of mounting panel, the mounting hole is spacing between the back-off arch and extension board surface.

The heating device further comprises a communicating bracket, the communicating bracket is provided with a column body, two ends of the main body part of each mounting bracket are respectively provided with a first clamping groove for the column body to be inserted and matched, after the two mounting brackets are aligned, the column bodies at four corners of the communicating bracket are inserted into the corresponding first clamping grooves, so that the two mounting brackets are tightly pressed together, and the column bodies are connected with the main body part through bolts;

and/or the mounting bracket has a housing integrally formed with the main body portion; or the shell is assembled and connected with the main body part, a second clamping groove is formed in one surface, close to the shell, of the main body part, and the end part of the shell is embedded in the second clamping groove;

the electric heating pipe is at least partially arranged between the shells of the two mounting brackets.

The communicating bracket is provided with a liquid flow passage, the electric heating tube forms a heating passage through the liquid flow passage of the communicating bracket, the heating passage is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are arranged on the communicating bracket.

The heating device provided by the technical scheme of the invention has the beneficial effects that: the device simplifies the assembly of the electrodes through the arrangement of the mounting bracket, is convenient for the assembly of the temperature controller, is favorable for improving the integrity of the whole device, improves the assembly efficiency of the heating assembly and is convenient for realizing automatic assembly.

Drawings

FIG. 1 is a schematic overall perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of a mounting bracket position according to an embodiment of the present invention;

FIG. 3 is a schematic view of a communicating stent structure according to an embodiment of the present invention;

FIG. 4 is a partial schematic structural view of a mounting bracket according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an installation position of an electrothermal tube according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a housing according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a main body of a second embodiment of the present invention;

FIG. 8 is a first exploded view of a main body and a conductive metal plate according to a second embodiment of the present invention;

FIG. 9 is a second exploded view of the main body and the conductive metal plate according to the second embodiment of the present invention;

FIG. 10 is a schematic view of a conductive metal sheet according to an embodiment of the present invention;

FIG. 11 is a schematic top view of a conductive metal sheet according to an embodiment of the present invention;

FIG. 12 is a schematic view of an assembly structure of a main body and a conductive metal sheet according to a third embodiment of the present invention;

FIG. 13 is a schematic structural view of a main body part of a third embodiment of the present invention;

FIG. 14 is a schematic view of an assembly structure of a main body and a conductive metal sheet according to a fourth embodiment of the present invention;

FIG. 15 is a schematic structural view of a main body part of a fourth embodiment of the present invention;

FIG. 16 is a schematic structural view illustrating a temperature controller according to a fifth embodiment of the present invention being installed with first and second fasteners;

FIG. 17 is a schematic illustration of the tuck slit position of FIG. 16;

FIG. 18 is a schematic view of a back side structure of the temperature controller of FIG. 16 in a first and second snap-fit manner;

FIG. 19 is a schematic structural view of a thermostat mounting part according to a sixth embodiment of the present invention;

FIG. 20 is a first view of the first embodiment of the first snap-fit extension of FIG. 16;

FIG. 21 is a second view of the first snap-fit extension shown in FIG. 16;

FIG. 22 is a first view illustrating an extension portion of the second snap-fit manner shown in FIG. 16;

FIG. 23 is a second view illustrating a second structure of an extension portion of the second snap-fit manner shown in FIG. 16;

FIG. 24 is a schematic view of a bending and fastening structure according to a seventh embodiment of the present invention;

FIG. 25 is a schematic view of the structure of the bend fastening extension of FIG. 24;

fig. 26 is a schematic structural view illustrating a third and a fourth fastening structure of a thermostat according to an eighth embodiment of the present invention.

In the figure: the liquid flow channel comprises a liquid flow channel 1, a communicating bracket 2, a column 3, a first clamping groove 4, a main body part 5, an extending part 6, a shell 7, a temperature controller 8, a mounting bracket 9, a second clamping groove 10, a convex part 11, a concave part 12, a metal electrode 13, an electric heating tube 14, an inserted rod 15, a groove 16, a first through hole 17, a limiting notch 18, a flat plate part 19, a second through hole 20, a groove electric connection part 21, an elastic part 22, a first boss 23, a conductive metal sheet 24, a second boss 25, a limiting opening 26, a third boss 27, a bayonet 28, an extending plate 29, an inserting end 30, an inserting seam 31, a mounting plate 32, a first back-off buckle 33, an elastic arm 34, a mounting hole 35, a limiting groove 36, a protrusion 37, a second back-off buckle 38, a third back-off buckle 39 and a limiting column 40.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-26, a heating device comprises an electric heating tube 14, a metal electrode 13 for electrifying the electric heating tube, a temperature controller 8, and two mounting brackets 9, wherein the two mounting brackets 9 are respectively provided with an electrode mounting part, the two electrode mounting parts are matched, the metal electrode 13 comprises a first part and a second part, the first part is clamped between one electrode mounting part and the outer wall of the electric heating tube 14, the second part is clamped between the other electrode mounting part and the outer wall of the electric heating tube 14, and the first part is in contact connection with the second part. At least one mounting bracket 9 is provided with a temperature controller mounting part, and at least part of the temperature controller 8 is fixed with the temperature controller mounting part.

It should be understood that the number of the electric heating tubes 14 in the heating device may be one or more than two.

When this device assembles metal electrode, press from both sides metal electrode tightly at the electrothermal tube outer wall through two installing support 9, change the mode of traditional screw fixation metal electrode, improve the assembly efficiency between metal electrode and the electrothermal tube, reduce the assembly degree of difficulty, set up the temperature controller installation department simultaneously on installing support 9, fix the temperature controller on the support through the buckle or the mode of bending, not only be favorable to improving the wholeness of whole device, and reduce the temperature controller installation degree of difficulty, can improve temperature controller assembly efficiency, utilize the structural feature of installing support 9 to accomplish the rapid Assembly of temperature controller and metal electrode, be convenient for realize automatic assembly.

The mounting bracket 9 is provided with a main body part 5 and an extension part 6 which are integrally arranged, the main body part is adjacent to the end part of the electric heating tube, the extension part is positioned on the periphery of the electric heating tube and is arranged at intervals with the electric heating tube, along the length direction of the electric heating tube, the extension part is far away from the end part of the electric heating tube relative to the main body part, the electrode mounting part is arranged on the main body part 5, the temperature controller mounting part is arranged on the extension part 6, and at least part of the temperature controller is fixed with the temperature controller mounting part in a buckling and/or bending way.

The temperature controller mounting part comprises an extension plate 29, the extension plate 29 is provided with a limiting groove 36, the main body part of the temperature controller 8 is limited in the limiting groove 36, and the mounting plate of the temperature controller is fixed with the extension plate in a buckling and/or bending mode.

As a first assembling manner of the metal electrode 13 and the electrode mounting portion, referring to fig. 5-15, the electric heating tube is generally circular, when the metal electrode is disposed, in order to better ensure the stability of power connection, the conductive metal sheets are disposed on both sides of the electric heating tube, as a preferred embodiment, the metal electrode 13 includes two conductive metal sheets 24 symmetrically disposed on both sides of the electric heating tube 14, the first component is one of the conductive metal sheets, the second component is the other conductive metal sheet, one conductive metal sheet 24 is clamped between one electrode mounting portion and the outer wall of the electric heating tube 14, the other conductive metal sheet 24 is clamped between the other electrode mounting portion and the outer wall of the electric heating tube 14, the conductive metal sheet 24 has more than two groove connecting portions 21, one side of the electrode mounting portion close to the electric heating tube 14 has the recessed portion 12, the groove connecting portion 21 is disposed between the outer wall of the electric heating tube 14 and the recessed portion 12, the metal electrode has a terminal portion located outside the mounting bracket, and the first member and the second member are electrically connected at the terminal portion.

The electric heating tube is clamped between the groove power connection parts of the two conductive metal sheets, so that the contact area of the electric heating tube and the conductive metal sheets is increased, and the stability of electric contact is better.

As a preferred embodiment, a flat plate part 19 is integrally formed between every two groove electricity connecting parts 21, a protruding part 11 is arranged between every two concave parts 12 of the electrode mounting part, the protruding part 11 is abutted against one side of the flat plate part 19 far away from the electric heating tube 14, the flat plate part 19 of the conductive metal sheet is extruded through the protruding part, so that the groove electricity connecting parts are clamped on the outer wall of the electric heating tube, and the conductive metal sheet and the electric heating tube can be better clamped and fixed together through the structure.

In order to further improve the firmness of the mounting of the metal electrode 13 and the main body portion 5, referring to fig. 7-11, the flat plate portion 19 has a second through hole 20, the electrode mounting portion is provided with more than two first through holes 17 and insertion rods 15 which are alternately distributed, and the insertion rod 15 on one electrode mounting portion penetrates through the second through hole 20 of the flat plate portion 19 and is inserted into the first through hole 17 of the other electrode mounting portion.

The projecting part 11 is integrally formed with more than two first bosses 23, the side faces of the first bosses 23 on the two electrode mounting parts are abutted, and/or a limiting notch 18 is reserved between the first bosses 23 on the same projecting part 11, and the flat plate part 19 of the conductive metal sheet 24 is embedded in the limiting notch 18.

Referring to fig. 12-13, in another assembly manner of the metal electrode 13 and the electrode mounting portion, the protruding portion 11 is integrally formed with a second boss 25, a limiting opening 26 is formed between the second boss 25 and the protruding portion 11, and the flat plate portion 19 is embedded in the limiting opening 26; and/or the second bosses 25 on the two electrode mounting parts abut against each other laterally.

Referring to fig. 14-15, in another assembly manner of the metal electrode 13 and the electrode mounting portion, the protruding portion 11 is integrally formed with two or more third bosses 27, a bayonet 28 is formed between the two or more third bosses 27 and the protruding portion 11, and the flat plate portion 19 is snapped into the bayonet 28; and/or the third bosses 27 on the two electrode mounting portions abut against each other laterally.

Referring to fig. 7-11, the middle of the groove connecting part 21 is provided with an elastic part 22, the elastic part 22 protrudes to one side of the groove connecting part 21 away from the electric heating tube 14, the curvature radius of the elastic part 22 is smaller than that of the groove connecting part 21, the concave part 12 is provided with a groove 16 at the position of the elastic part 22, and the groove connecting part can be better clamped on the electric heating tube under the action of the elastic part and can be better adapted to electric heating tubes with different sizes.

The mounting bracket 9 has main part 5, extension 6, and main part 5 is L shape structure with extension 6, and the electrode installation department sets up at main part 5, and the temperature controller installation department sets up at extension 6, and the better temperature situation that detects of temperature controller is guaranteed to this kind of structure, carries out corresponding action better to be favorable to reducing the equipment volume.

The mounting bracket 9 has a shell 7, the shell 7 is assembled with the main body part 5 or integrated into one piece, the temperature controller mounting part is including setting up the extension board 29 at extension 6, leave the male plug-in seam 31 of mounting panel 32 that supplies the temperature controller 8 between extension board 29 and the shell 7, plug-in seam 31 one end is for inserting the end 30, the one end that the extension board 29 kept away from to insert the end 30 has spacing recess 36, the one side that the extension board 29 is close to the shell 7 has the back-off portion, the mounting panel 32 is preceding, back spacing is between extension board 29 and shell 7, the temperature controller 8 is upper, lower spacing is between spacing recess 36 and back-off portion.

At least one main part of the installation seat of the device is provided with a temperature controller installation part, the temperature controller part and the temperature controller installation part are fixed through buckles and/or are bent and fixed, the parts can still be fixed by screws, as an optimal mode, the two main parts of the installation seat are provided with the temperature controller installation parts, the temperature controller installation parts of the two supports are symmetrically arranged, and the purpose of rapidly completing temperature controller assembly can be realized.

During the installation, insert the mounting panel of temperature controller to spacing recess direction from inserting the end of slotting, when the installation targets in place, the mounting panel is preceding, back spacing between extension board and shell, and the upper and lower spacing of temperature controller is between spacing recess and back-off portion, and this kind of mounting means is simple and convenient, is favorable to accelerating temperature controller assembly efficiency, is convenient for realize automatic assembly.

As a first embodiment of the snap-fit, referring to fig. 16-21, the reverse-buckling portion is a first reverse-buckling 33 of a bump structure integrally formed with the extension plate 29, a limiting surface of the first reverse-buckling 33 is disposed away from the insertion end 30, and the first reverse-buckling 33 is snapped into a mounting hole 35 of the mounting plate 32; or the first reverse buckle 33 is buckled at the edge position of the mounting plate 32 far away from the limiting groove 36.

As a second specific embodiment of the snap-fit, referring to fig. 16-19 and fig. 22-23, the reverse-buckling portion is a resilient arm 34 integrally formed with the extension plate 29, one side of the resilient arm 34 close to the housing is a wedge-shaped surface, a limiting surface of the resilient arm 34 is disposed away from the insertion end 30, and the resilient arm 34 is partially snapped into the mounting hole 35 of the mounting plate 32; or the elastic arm 34 is buckled at the edge position of the mounting plate 32 far away from the limiting groove 36, the elastic arm has elastic bending performance relative to the extending plate, and a wedge-shaped surface is arranged, so that the mounting plate can be conveniently and gradually slid into a required fixing position.

Referring to fig. 24-25, as a specific embodiment of the bending fixing manner, the mounting bracket 9 has a housing 7, the housing 7 is assembled and connected with the main body portion 5 or integrally formed, the thermostat mounting portion includes an extension plate 29 disposed on the extension portion 6, an insertion slot 31 for inserting a mounting plate 32 of the thermostat 8 is left between the extension plate 29 and the housing 7, one end of the insertion slot 31 is an insertion end 30, a protrusion 37 is integrally formed on a side portion of the extension plate 29, the mounting plate 32 includes an integrally formed main body portion and a bending portion, the main body portion is located at the insertion slot 31, the bending portion extends out of the extension plate, and the bending part is provided with a mounting hole 35, the bulge 37 is limited in the mounting hole 35, referring to the upper half part of figure 24, the mounting plate of the temperature controller is inserted into the inserting seam, referring to the lower half part of figure 24, after being mounted in place, and bending the mounting plate outwards to enable the bulge to penetrate through the mounting hole, and fixing the position of the mounting plate of the temperature controller through the bulge.

As a third embodiment of the snap-fit, referring to the upper part of fig. 26, the thermostat mounting part includes an extension plate 29 disposed on the extension part 6, two or more second inversions 38 are disposed on the surface of the extension plate 29, and the mounting plate 32 of the thermostat 8 is snap-fit and limited between the second inversions 38 and the surface of the extension plate 29; the surface of the extension plate 29 is provided with more than two limiting columns 40, and the limiting columns 40 penetrate through the mounting holes 35 of the mounting plate 32.

Referring to the lower half of fig. 26, as a fourth embodiment of the snap fastening, the thermostat mounting part includes an extension plate 29 disposed on the extension part 6, two third reverse buckles 39 symmetrically disposed on the surface of the extension plate 29, an escape space is left between the two third reverse buckles 39, the third reverse buckles 39 include a supporting part integrally formed with the extension plate 29, a reverse buckle protrusion is integrally formed at the end of the supporting part, the third reverse buckles 39 penetrate through the mounting holes 35 of the mounting plate 32, and the mounting holes 35 are limited between the reverse buckle protrusion and the surface of the extension plate 29.

Referring to fig. 1-5, the heating device further includes a communicating bracket 2, four corners of the communicating bracket 2 are provided with cylinders 3, two ends of a main body portion 5 of each mounting bracket 9 are provided with first slots 4 for the cylinders 3 to be inserted into and matched with, after the two mounting brackets 9 are aligned, the cylinders 3 at four corners of the communicating bracket 2 are inserted into the corresponding first slots 4, so that the two mounting brackets 9 are tightly pressed together, the cylinders 3 are provided with stepped through holes, bolts sequentially pass through the stepped through holes 4, the main body portions 5 are in threaded connection with a housing 7, during assembly, two ends of the housing 7 are clamped into second slots 10 of the upper and lower main body portions 5, so that the housing 7 is fixed and limited between the two main body portions 5, then metal electrodes are assembled on the main body portions 5, then the main body portions 5 and the housing 7 are butted, and finally the two main body portions 5 of the mounting base are pressed together through the communicating bracket 2, and finally, the cylinder 3, the main body part 5 and the shell 7 are fixed together through bolts, so that the assembly difficulty is reduced, the assembly efficiency is improved, and the use of parts is reduced.

The mounting bracket has two structures, wherein in the first structure, the mounting bracket 9 is provided with a shell 7, and the shell 7 and the main body part 5 are integrally formed;

the second shell 7 is assembled and connected with the main body part 5, a second clamping groove 10 is formed in one surface, close to the shell, of the main body part 5, and the end part of the shell 7 is embedded in the second clamping groove 10;

the electrical heating tube 14 is at least partially arranged between the housings 7 of the two mounting brackets 9.

Intercommunication support 2 has liquid flow channel 1, electrothermal tube 14 forms the heating path through the liquid flow channel 1 of intercommunication support 2, the heating path has the inlet, the liquid outlet, the inlet, the liquid outlet sets up on intercommunication support 2, the use at the inside connecting tube of heating element has been reduced, connecting tube for example uses the silicone tube, there are a lot of joints, lead to the connecting pipe at the inside chaotic problem of device, this kind of structure of this device has reduced the joint, the risk that a plurality of tie points were revealed has also been reduced, the life of device has been promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent substitutions or changes of the technical solutions and the inventive concepts of the present invention by those skilled in the art within the technical scope of the present invention shall be covered by the scope of the present invention.