CN212323246U - Conductive member, electrically conductive structure, and heating device - Google Patents

Abstract

The utility model provides a conductive piece, electric conduction structure and heating device, conductive piece is including continuous installation department and elasticity support the portion of holding, the installation department is equipped with two spliced eyes, the corresponding position department of at least one spliced eye is equipped with elasticity and supports the portion of holding, and elasticity supports the portion of holding and lies in the regional that the spliced eye that corresponds encloses along the orthographic projection at least part of the axis direction of spliced eye on the installation department, elasticity supports the portion of holding and is used for producing elastic deformation when contacting with the conductive structure of grafting in the spliced eye, thereby compress tightly on conductive structure. The conductive piece is tightly combined with the conductive structure and is in good contact with the conductive structure; the electric conduction structure is simple in structure and convenient to assemble.

Description

Conductive member, electrically conductive structure, and heating device

Technical Field

The utility model relates to a heater field particularly, relates to a electrically conductive piece, electric conduction structure and heating device.

Background

At present, when two independent metal pieces are grounded, grounding pieces are needed to be grounded respectively, for example, a water chamber and a metal shell of a heating device are needed to be grounded, so that the safety in the use process is improved. In order to simplify the structure, the water chamber and the metal shell are electrically connected through the intermediate connection structure, and then the metal shell is only needed to be grounded, namely, both the water chamber and the metal shell are grounded. Wherein the metal shell may be called a base shell.

The inventor researches and discovers that the existing intermediate connection structure has the following defects when being electrically connected with the water chamber and the metal shell:

and the contact is poor when the middle connecting structure is connected with the water chamber or the metal shell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a electrically conductive piece, electric conduction structure and heating device, the contact is good when electrically conductive piece is connected with hydroecium or metal casing.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment of the present invention provides a conductive device, including:

the installation part is provided with two insertion holes, the corresponding position of at least one insertion hole is provided with an elastic abutting part, at least part of the orthographic projection of the elastic abutting part on the installation part along the axis direction of the insertion hole is positioned in the area defined by the corresponding insertion holes, and the elastic abutting part is used for generating elastic deformation when contacting with a conductive structure inserted in the insertion hole, so that the conductive structure is pressed tightly.

In an alternative embodiment, the elastic supporting portion is a metal elastic sheet.

In an optional embodiment, at least one of the insertion holes is correspondingly provided with a plurality of elastic abutting portions, and the plurality of elastic abutting portions are arranged at intervals along the circumferential direction of the corresponding insertion hole.

In an alternative embodiment, the mounting portion includes a first sheet, a second sheet, and a third sheet, the first sheet is connected to a first side of the second sheet and has an included angle therebetween, the second sheet is connected to a second side of the third sheet and has an included angle therebetween, wherein the first side and the second side are opposite, and the first sheet and the third sheet extend in opposite directions.

In a second aspect, embodiments of the present invention provide an electrically conductive structure, comprising:

the first metal part, the second metal part and the conductive part in any of the foregoing embodiments, wherein the first metal part and the second metal part are electrically connected through the conductive part.

In an optional embodiment, a positioning element is arranged on the first metal element, and one end of the positioning element, which is far away from the first metal element, is in plug-in fit with a first plug-in hole of the two plug-in holes of the conductive element.

In an optional embodiment, the positioning element includes a first plugging section, a second plugging section and a third plugging section which are coaxial and connected, the first plugging section and the second plugging section form a first step surface, the second plugging section and the third plugging section form a second step surface, the first plugging section is plugged with the first metal part, and the first step surface abuts against the first metal part; the second inserting section is inserted with the second metal piece, and a gap is formed between the second step surface and the second metal piece; the third inserting section penetrates through the second metal piece and then is in inserting fit with one inserting hole of the conductive piece.

In an optional embodiment, the second metal part is provided with a clamping hole, one end of the clamping hole, which is far away from the first metal part, is provided with a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate have a distance in the radial direction of the clamping hole, the first baffle plate is closer to the first metal part than the second baffle plate in the extending direction of the clamping hole, and one side of the second baffle plate, which is close to the first baffle plate, is provided with an avoidance notch; the second inserting section is inserted in the clamping hole, and a gap is formed between the second step surface and the first baffle; the mounting part of the conductive piece is inserted between the first baffle and the second baffle, and an inserting hole on the mounting part is communicated with the clamping hole; the third inserting section penetrates through the avoiding gap and then is inserted into the inserting hole.

In an optional embodiment, a conductive pillar is disposed on the second metal part, and the conductive pillar is in insertion fit with a second insertion hole of the two insertion holes of the conductive member.

In a third aspect, the present embodiment also provides a heating device comprising the aforementioned electrically conductive structure.

The embodiment of the utility model provides a beneficial effect is:

in summary, the conductive piece provided by this embodiment can be applied to a heating device, when the water chamber of the heating device is electrically connected to the metal shell, two insertion holes are formed in the conductive piece, and the water chamber and the metal shell are respectively inserted into the two insertion holes to be matched, so that the metal shell and the water chamber are electrically connected through the conductive piece. The elastic abutting part is arranged at the corresponding position of the inserting hole of the conductive piece, and has certain elastic deformation capacity, after the conductive structures on the water chamber and the metal shell are inserted into the corresponding inserting hole, the conductive structures are contacted with the elastic abutting part and extrude the elastic abutting part, so that the elastic abutting part turns outwards, and the elastic abutting part has the tendency of recovering to the initial form after turning outwards, so that the elastic abutting part is always kept in a state of being pressed with the conductive structures, the conductive piece is well contacted with the water chamber or the metal shell, the condition of circuit break is not easy to occur, and the electric conduction device is stable and reliable.

The embodiment further provides an electrically conductive structure, which includes the above-mentioned electrically conductive component, and the electrically conductive component is electrically connected to the first metal component and the second metal component at the same time, and ensures good contact between the first metal component and the second metal component.

The present embodiment also provides a heating apparatus including the above-mentioned electrically conductive structure, which facilitates simultaneous grounding of the water chamber and the metal housing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a conductive member according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a heating device according to an embodiment of the present invention;

fig. 3 is a schematic sectional view of a partial structure of a heating apparatus according to an embodiment of the present invention;

fig. 4 is an assembly structure diagram of a partial structure of a heating device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a positioning member according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the base shell according to the embodiment of the present invention.

Icon:

100-a conductive member; 110-a mounting portion; 111-a first tablet; 1111-a first plug hole; 112-a second panel; 113-a third tablet; 1131 — a second plug hole; 120-elastic holding part; 121-mounting a plate body; 122-a holding plate body; 200-a load-bearing chamber; 210-a mounting end; 211-a threaded hole; 300-a first metallic element; 310-a jack; 400-a second metal piece; 410-a ground bolt; 420-clamping hole; 430-a first baffle; 440-a second baffle; 441-avoiding the notch; 460-a conductive post; 500-a positioning element; 510-a first plug section; 520-a second plug section; 530-a third plug section; 540-first step face; 550-second step surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 6, the present embodiment provides a conductive member 100, and when the conductive member 100 is inserted into and matched with a conductive structure, the conductive member 100 is tightly matched with the conductive structure, and has good contact and safe and reliable use.

Referring to fig. 1, in the present embodiment, the conductive member 100 includes a mounting portion 110 and an elastic abutting portion 120, the mounting portion 110 is provided with two insertion holes, the elastic abutting portion 120 is disposed at a corresponding position of at least one insertion hole, at least a part of an orthographic projection of the elastic abutting portion 120 on the mounting portion 110 along an axial direction of the insertion hole is located in an area surrounded by the corresponding insertion hole, and the elastic abutting portion 120 is configured to generate elastic deformation when contacting a conductive structure inserted in the insertion hole, so as to press the conductive structure.

It should be noted that, the corresponding position of the plugging hole may be, but is not limited to, a position on the mounting portion 110 near the periphery of the plugging hole or on a hole wall of the plugging hole, which satisfies that after the elastic abutting portion 120 is disposed on the mounting portion 110, at least a part of an orthographic projection of the elastic abutting portion 120 on the mounting portion 110 along the axis direction of the plugging hole is located in an area surrounded by the corresponding plugging hole.

In the conductive device 100 provided in this embodiment, when the conductive device is inserted into the insertion hole and engaged with the conductive structure, the conductive structure is inserted into the insertion hole, and the portion of the elastic abutting portion 120 extending into the insertion hole is pressed, so that the elastic abutting portion 120 deforms, and the elastic abutting portion 120 generates an elastic force to recover to an initial state (before deformation), so as to always abut against the conductive structure, and the conductive device 100 and the conductive structure are tightly engaged and in good contact. When the conductive device 100 is applied to a heating device, wherein the heating device may be, but is not limited to, a ptc heater, the conductive device 100 has two insertion holes, the first metal component 300 may be a water chamber of the heating device, and a portion of the first metal component 300 and a portion of the metal shell are respectively inserted into and matched with the two insertion holes, so that the metal shell and the first metal component 300 are electrically connected through the conductive device 100, that is, the two metal components which are not in contact with each other are electrically connected. Because the elastic abutting portion 120 is arranged at the corresponding position of the insertion hole of the conductive member 100, the elastic abutting portion 120 has a certain elastic deformation capability, after the conductive structures on the first metal member 300 and the metal shell are inserted into the corresponding insertion hole, the conductive structures contact with the elastic abutting portion 120 and extrude the elastic abutting portion 120, so that the elastic abutting portion 120 turns outwards, and the elastic abutting portion 120 has a tendency of returning to an initial form after turning outwards, so that the elastic abutting portion 120 always keeps a state of being pressed against the conductive structures, the conductive member 100 is in good contact with the first metal member 300 and/or the metal shell, an open circuit condition is not easy to occur, and the operation is stable and reliable.

Referring to fig. 1, in the present embodiment, optionally, the mounting portion 110 is a metal plate, the mounting portion 110 includes a first plate 111, a second plate 112 and a third plate 113 that are sequentially connected, the first plate 111 is connected to a first side of the second plate 112 and has an included angle therebetween, the second plate 112 is connected to a second side of the third plate 113 and has an included angle therebetween, wherein the first side and the second side are opposite, and extending directions of the first plate 111 and the third plate 113 are opposite.

Optionally, the first plate 111 is substantially disc-shaped, the first plate 111 is provided with an insertion hole, the insertion hole on the first plate 111 may be referred to as a first insertion hole 1111, and the first insertion hole 1111 may be a cylindrical hole, which is convenient for processing. Optionally, the first inserting hole 1111 is coaxially disposed with the first sheet 111.

Optionally, the second sheet 112 is substantially rectangular plate-shaped, a first side and a second side are respectively disposed in the length direction of the second sheet 112, the first sheet 111 is connected to the first side, and the first sheet 111 and the second sheet 112 are disposed perpendicularly.

Optionally, the third plate 113 is substantially disc-shaped, the third plate is provided with an insertion hole, the insertion hole on the third plate 113 may be called a second insertion hole 1131, and the second insertion hole 1131 may be a cylindrical hole, which is convenient for processing. Optionally, the second inserting hole 1131 is coaxially disposed with the third plate 113. That is, the axes of the first mating hole 1111 and the second mating hole 1131 are parallel.

The mounting portion 110 provided in this embodiment is substantially L-shaped, and can be manufactured by an integral molding method, and the first sheet 111, the second sheet 112, and the third sheet 113 have a firm and reliable structure and are not easily damaged. The mounting part 110 is set to be a bending structure, and the mounting part 110 has certain elastic deformation capacity integrally and plays a role in shock absorption and buffering.

It should be understood that the mounting portion 110 may not be a bent structure, for example, the mounting portion 110 may also be a flat plate structure.

Referring to fig. 1, in the present embodiment, optionally, the elastic supporting portion 120 is a metal elastic sheet, and the elastic supporting portion 120 is a bent plate structure. The elastic abutting portion 120 includes a mounting plate 121 and an abutting plate 122, one side of the mounting plate 121 is connected to a hole wall of the insertion hole, the other side of the mounting plate 121 has a first elevation angle with respect to the horizontal plane, one side of the abutting plate 122 is connected to one side of the mounting plate 121 far away from the insertion hole, the other side of the abutting plate 122 is far away from the mounting plate 121 and extends, the abutting plate 122 has a second elevation angle with respect to the horizontal plane, the first elevation angle is smaller than the second elevation angle, in other words, the abutting plate 122 tilts up more obviously, and an angle formed between the abutting plate 122 and the horizontal plane is larger. After the conductive structure is inserted into the insertion hole, the contact area with the abutting plate 122 is large, and the conductive structure is not easy to open and has good contact.

In this embodiment, the elastic supporting portion 120 is disposed at the corresponding position of the first inserting hole 1111 and the second inserting hole 1131.

It should be understood that the number of the elastic abutting portions 120 corresponding to each plugging hole is set as required, for example, one elastic abutting portion 120 is set corresponding to each plugging hole, obviously, in other embodiments, a plurality of elastic abutting portions 120 may be set corresponding to each plugging hole, and the elastic abutting portions 120 corresponding to the same plugging hole are uniformly arranged at intervals along the circumferential direction of the plugging hole. For example, in the present embodiment, five elastic supporting portions 120 are corresponding to one plug hole.

In this embodiment, optionally, a part of the elastic supporting portion 120 may extend into two insertion holes at the same time, so as to have at least a part of supporting against the conductive structure inserted into the insertion holes.

Referring to fig. 2 to 4, the present embodiment also provides an electrically conductive structure, which can be applied to a heating device, and obviously, the electrically conductive structure can also be applied to other structures than a heating device. In this embodiment, an electrically conductive structure is taken as an example for a heating device, the heating device includes a bearing shell, a first metal part 300, a second metal part 400 and the conductive member 100, the second metal part 400 is connected to the bearing shell, and the two together define a containing cavity, the first metal part 300 is disposed in the containing cavity, the first metal part 300 and the second metal part 400 are electrically connected through the conductive member 100, the second metal part 400 is a metal shell, and the second metal part 400 is provided with a grounding bolt 410 for grounding. The first metal part 300 is a water chamber of the heating device, and the second metal part 400 is a base shell of the heating device. The first metal piece 300 and the second metal piece 400 may also be other parts when the electrically conductive structure is not used for a heating device.

In the heating device provided by this embodiment, the first metal part 300 and the second metal part 400 are independent from each other and do not contact with each other, the two metal parts are electrically connected through the conductive member 100, and then after being grounded through the grounding bolt 410 on the second metal part 400, the common grounding of the first metal part 300 and the second metal part 400 is realized, so that the whole structure is simple, the processing, the manufacturing and the assembly are convenient, and the cost is reduced.

Referring to fig. 2, in the present embodiment, the bearing shell is a plastic shell, and the bearing shell has an assembling end 210 for assembling the second metal part 400, and the assembling end 210 is provided with a threaded hole 211.

Referring to fig. 3, in the embodiment, optionally, one side of the first metal component 300 is embedded in the plastic shell, and the other side of the first metal component 300 is away from the plastic shell. The middle of the first metal part 300 is provided with a positioning element 500 capable of conducting electricity, and the positioning element 500 can be inserted into and matched with the first metal part 300. Optionally, the first metal piece 300 is provided with a jack 310, and one end of the positioning element 500 is inserted into the jack 310 and welded with the first metal piece 300 into a whole.

Referring to fig. 5, optionally, the positioning element 500 includes a first plug section 510, a second plug section 520, and a third plug section 530 that are coaxial and connected, the first plug section 510 and the second plug section 520 form a first step 540, and the second plug section 520 and the third plug section 530 form a second step 550.

Optionally, the first plug section 510, the second plug section 520, and the third plug section 530 are made of a metal material, and may be configured as a cylinder. The first step surface 540 and the second step surface 550 are both circular ring surfaces.

Optionally, a chamfer is disposed at an end of the first plugging section 510 away from the second plugging section 520, a chamfer is disposed at an end of the third plugging section 530 away from the second plugging section 520, and a chamfer is disposed at an end of the second plugging section 520 close to the third plugging section 530.

Referring to fig. 6, in the present embodiment, optionally, the second metal part 400 is a metal shell, and the second metal part 400 is provided with a fastening hole 420, where the fastening hole 420 may be a cylindrical hole; one end of the clamping hole 420 far away from the first metal piece 300 is provided with a first baffle 430 and a second baffle 440, the first baffle 430 and the second baffle 440 are arc-shaped plates, the arc-shaped surfaces of the first baffle 430 and the second baffle 440 and the hole wall of the clamping hole 420 are positioned on the same cylindrical surface, the first baffle 430 and the second baffle 440 have an interval in the radial direction of the clamping hole 420, and the first baffle 430 is closer to the first metal piece 300 than the second baffle 440 in the extending direction of the clamping hole 420, one side of the second baffle 440 close to the first baffle 430 is provided with an avoiding notch 441, and the avoiding notch 441 can be a semicircular notch.

Optionally, the second metal part 400 is further provided with a conductive pillar 460, the conductive pillar 460 may be a cylindrical structure, and one end of the conductive pillar 460, which faces away from the second metal part 400, is provided with a chamfer.

In the heating device provided in this embodiment, when the heating device is installed, the first metal piece 300 is fixed on the bearing shell by screws, the first inserting section 510 on the positioning element 500 is inserted into the inserting hole 310 on the first metal piece 300, and the first step surface 540 abuts against the first metal piece 300. The second plug section 520 and the third plug section 530 extend away from the carrier housing. The conductive member 100 may then be assembled with the second metal member 400. During operation, the third plate 113 of the conductive member 100 is inserted between the first baffle 430 and the second baffle 440, the second insertion hole 1131 on the third plate 113 is communicated with the locking hole 420 and the avoiding notch 441 on the second metal member 400, the first insertion hole 1111 of the first plate 111 is inserted and matched with the conductive post 460 on the second metal member 400, and the elastic abutting portion 120 around the first insertion hole 1111 is tightly abutted against the conductive post 460. Then, the second metal piece 400 is fastened to the mounting end 210 of the load-bearing chamber 200, and the second metal piece 400 is screwed into the threaded hole 211 after passing through the second metal piece 400 by using a bolt, so that the second metal piece 400 and the load-bearing chamber 200 are connected. When the second metal part 400 is fastened to the load-bearing shell, the fastening hole 420 on the second metal part 400 corresponds to the third insertion section 530 and the second insertion section 520, the third insertion section 530 passes through the fastening hole 420 and then enters the second insertion hole 1131 and extends out of the escape notch 441, and the second step surface 550 and the first baffle 430 have a gap and are not in contact with each other. The third plugging section 530 tightly abuts against the elastic abutting portion 120 around the second plugging hole 1131. The second inserting section 520 is located in the clamping hole 420, a gap between the second inserting section 520 and the clamping hole 420 is small, on the premise that the second inserting section 520 is inserted into the clamping hole 420, the amplitude of radial reciprocating movement of the second inserting section 520 in the clamping hole 420 is reduced, and structural firmness is improved.

In the heating device provided by the embodiment, the first metal part 300 and the second metal part 400 are independent from each other, and the first metal part 300 is electrically connected with the second metal part 400 by the positioning element 500, the conductive element 100 and the conductive post 460, so that common grounding of two non-contact metal parts is realized, and the overall structure and the assembly process are simplified; and the first metal piece 300 is further fixed by the positioning piece 500, the second metal piece 400 and the bearing shell, so that the first metal piece 300 has a firm structure and better stability.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electrically conductive member, comprising:

the installation department and elasticity that link to each other support and hold the portion, the installation department is equipped with two spliced eyes, at least one the corresponding position department of spliced eye is equipped with elasticity supports and holds the portion, just elasticity supports and holds the portion edge the axis direction of spliced eye is in orthographic projection on the installation department at least part is located the correspondence the region that the spliced eye encloses, elasticity support hold the portion be used for with peg graft in produce elastic deformation when the electrically conductive structure contact in the spliced eye, thereby compress tightly on the electrically conductive structure.

2. The conductive member of claim 1, wherein:

the elastic supporting part is a metal elastic sheet.

3. The conductive member of claim 1, wherein:

at least one plug hole is correspondingly provided with a plurality of elastic abutting parts which are arranged at intervals along the circumferential direction of the corresponding plug hole.

4. The conductive member of claim 1, wherein:

the installation department includes first lamellar body, second lamellar body and third lamellar body, first lamellar body with the first side of second lamellar body is connected and the two has the contained angle, the second lamellar body with the second side of third lamellar body is connected and the two has the contained angle, wherein, first side with the second side is relative, first lamellar body with the extending direction of third lamellar body is opposite.

5. An electrically conductive structure, comprising:

a first metal part, a second metal part, and the conductive member of any one of claims 1-4, the first metal part and the second metal part being electrically connected through the conductive member.

6. The electrically conductive structure of claim 5, wherein:

the first metal piece is provided with a positioning piece, and one end of the positioning piece, which is far away from the first metal piece, is spliced with the first splicing holes in the two splicing holes of the conductive piece.

7. The electrically conductive structure of claim 6, wherein:

the positioning piece comprises a first inserting section, a second inserting section and a third inserting section which are coaxial and connected, the first inserting section and the second inserting section form a first step surface, the second inserting section and the third inserting section form a second step surface, the first inserting section is inserted into the first metal piece, and the first step surface is abutted against the first metal piece; the second inserting section is inserted into the second metal piece, and a gap is formed between the second step surface and the second metal piece; and the third inserting section penetrates through the second metal piece and then is inserted and matched with one inserting hole of the conductive piece.

8. The electrically conductive structure of claim 7, wherein:

the second metal piece is provided with a clamping hole, one end, far away from the first metal piece, of the clamping hole is provided with a first baffle and a second baffle, the first baffle and the second baffle are spaced in the radial direction of the clamping hole, the first baffle is closer to the first metal piece in the extending direction of the clamping hole than the second baffle, and one side, close to the first baffle, of the second baffle is provided with an avoidance notch; the second inserting section is inserted into the clamping hole, and a gap is formed between the second step surface and the first baffle; the mounting part of the conductive piece is inserted between the first baffle and the second baffle, and one inserting hole in the mounting part is communicated with the clamping hole; the third inserting section penetrates through the avoiding notch and then is inserted into the inserting hole.

9. The electrically conductive structure of claim 6, wherein:

and the second metal piece is provided with a conductive column which is in splicing fit with a second splicing hole in the two splicing holes of the conductive piece.

10. A heating device, characterized in that the heating device comprises:

electrically conductive structure according to any of claims 5-9, the first metal part of the electrically conductive structure being provided as a water chamber and the second metal part of the electrically conductive structure being provided as a base shell.

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