CN218884287U

CN218884287U - Heating module and water treatment equipment

Info

Publication number: CN218884287U
Application number: CN202223443170.6U
Authority: CN
Inventors: 任富佳; 王东; 郁明跃; 陈天; 张富元
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-18
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to an electrical equipment technical field discloses a heating module and water treatment facilities. The water treatment equipment comprises a shell and a heating module, wherein the heating module comprises a water pump assembly, a heating body, a connecting pipe assembly and a mounting bracket. Wherein, water pump assembly and heating member subassembly are all installed on the installing support, and the water outlet end of connecting pipe subassembly intercommunication water pump assembly and the water inlet of heating member, installing support are configured to the installation in the shell. The utility model discloses a heating module makes water pump assembly and heating member form an independent module, has improved convenience and the efficiency of installing on water treatment facilities. The water treatment equipment is convenient to assemble and high in efficiency by arranging the heating module.

Description

Heating module and water treatment equipment

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a heating module and water treatment facilities.

Background

Water treatment equipment such as reverse osmosis water purifiers, water dispensers and the like on the market at present generally have a heating function. Taking the water purifier as an example, the water purifier comprises a shell, and a filter element module, a water pump and a heating body which are all arranged in the shell, wherein the water pump pumps purified water obtained by purifying the filter element module into a water inlet of the heating body, and water is heated in the heating body and then discharged from a water outlet. When the water purifier is installed, the water pump and the heating body are required to be installed on the shell respectively, the water outlet end of the water pump is communicated with the water inlet end of the heating body through the pipeline assembly, and the space in the shell is small, so that the installation process is inconvenient to operate, and the production efficiency is reduced.

Therefore, a heating module and a water treatment apparatus are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating module makes water pump assembly and heating member form an independent module, has improved convenience and the efficiency of installing on water treatment facilities.

The utility model discloses a water treatment facilities is being with providing one kind, through setting up foretell heating module, the equipment is convenient and efficient.

To achieve the purpose, the utility model adopts the following technical proposal:

a heating module comprising:

a water pump assembly;

the water pump assembly is communicated with the water outlet end of the water pump assembly;

the water pump assembly and the heating body assembly are both mounted on the mounting bracket, and the mounting bracket is configured to be mounted in a shell of the water treatment equipment.

As an alternative, a receiving groove is formed at one side of the mounting bracket, and the heating body is at least partially disposed in the receiving groove.

As an alternative, a gap is formed between the heating body and the accommodating groove, and the gap can accommodate a wire.

As an alternative, the opening of the receiving groove is disposed toward the side.

As an optional scheme, the heating body and the water pump assembly are respectively installed on two sides of the installation support.

As an optional solution, the heating module further includes a first fastening member, a first mounting portion is disposed on the mounting bracket, and the first fastening member is matched with the first mounting portion to mount the heating body on the mounting bracket; and/or

The heating module further comprises a second fastener, a second mounting part is arranged on the mounting bracket, and the second fastener is matched with the second mounting part so as to mount the water pump assembly on the mounting bracket; and/or

The mounting bracket is mounted within the housing by a third fastener.

As an alternative, the water pump assembly includes:

the water outlet end of the water pump body is connected with the connecting pipe assembly;

the fixing base, the fixing base with this body coupling of water pump, the second fastener is worn to establish the fixing base and with the second installation department is connected.

As an optional scheme, the connection pipe assembly comprises a first adapter, a communication pipe and a second adapter, two ends of the communication pipe are respectively connected with the first adapter and the second adapter, the first adapter is connected with a water outlet end of the water pump assembly, and the second adapter is connected with a water inlet of the heating body.

As an optional scheme, the heating module further includes a temperature sensor, the first adapting piece is a tee joint, and three ports of the first adapting piece are respectively connected with the communicating pipe, the temperature sensor and the water outlet end of the water pump assembly.

A water treatment device comprises a shell and the heating module, wherein the heating module is installed in the shell.

As an alternative, a receiving groove is formed on one side of the mounting bracket and is opened towards the first side wall of the shell, and the heating body is positioned between the mounting bracket and the first side wall and is at least partially arranged in the receiving groove;

the first side wall is provided with a baffle plate, the baffle plate is located above the mounting bracket, and the baffle plate shields at least part of the top plate of the accommodating groove.

As an optional scheme, a receiving groove with an opening facing to the side is formed on one side of the mounting bracket, a mounting groove is formed on the inner side of the outer shell, the opening of the mounting groove is opposite to the opening of the receiving groove, at least part of the wall of the receiving groove extends into the mounting groove, and the heating body is arranged between the receiving groove and the mounting groove.

The utility model discloses beneficial effect does:

the utility model discloses all install heating member and water pump assembly on the installing support, the water inlet intercommunication of the play water end of rethread connecting tube subassembly with water pump assembly and heating member to form an independent heating module, this heating module can assemble in advance and accomplish, again with the installing support installation in the shell, be about to heat the whole installation of module in the shell, thereby the operating procedure that needs accomplish in the narrow and small shell in space that has significantly reduced has improved water treatment facilities's installation convenience and installation effectiveness.

The utility model discloses a water treatment equipment, through setting up foretell heating module, the equipment is convenient and efficient.

Drawings

FIG. 1 is a schematic view of an internal structure of a water treatment apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a heating module according to an embodiment of the present invention;

FIG. 3 is a schematic view of an exploded structure of a heating module according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a mounting bracket according to an embodiment of the present invention at a viewing angle;

fig. 5 is a schematic structural view of a mounting bracket according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a connecting tube assembly and a temperature sensor according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a longitudinal cross-sectional structure of the structure of FIG. 1;

fig. 8 is a schematic view of an exploded state of the structure in fig. 1.

In the figure:

10. a heating module; 11. a water pump assembly; 111. a water pump body; 112. a fixed seat; 1121. a second through hole; 12. a heating body; 121. a first through hole; 13. a connecting tube assembly; 131. a first adapter; 132. a communicating pipe; 133. a second adaptor; 14. mounting a bracket; 141. accommodating grooves; 142. a first mounting portion; 143. a second mounting portion; 144. mounting holes; 145. a top plate; 15. a gap; 16. a temperature sensor; 20. a housing; 21. a first side wall; 22. a baffle plate; 23. and (4) mounting the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a heating module and a water treatment device. Wherein, the water treatment equipment can be a water purifier, a water dispenser and the like. In this embodiment, a water treatment apparatus is described as an example of a water purifier. As shown in fig. 1, the water treatment device comprises a housing 20, a heating module 10 and a filter element assembly (not shown), wherein the heating module 10 and the filter element are both arranged in the housing 20, and the heating module 10 can heat and discharge purified water obtained by filtering the filter element assembly.

Preferably, as shown in fig. 1 to 3, the heating module 10 includes a water pump assembly 11, a heating body 12, a connecting tube assembly 13, and a mounting bracket 14. Wherein, water pump assembly 11 and heating element all install on installing support 14, and connecting pipe subassembly 13 intercommunication water pump assembly 11's the water outlet end and the water inlet of heating body 12, and installing support 14 installs in shell 20.

Heating body 12 and water pump assembly 11 link together through setting up installing support 14 in this embodiment, rethread connecting tube subassembly 13 communicates the water outlet end of water pump assembly 11 and the water inlet of heating body 12, thereby form an independent heating module 10, this heating module 10 can assemble in advance and accomplish, install installing support 14 in shell 20 again, be about to heat module 10 integral erection in shell 20, thereby the operating procedure that needs accomplish in the narrow and small shell 20 in space has significantly reduced, the installation convenience and the installation effectiveness of water treatment facilities have been improved. After installing heating module 10 in shell 20, communicate the end of intaking of water pump assembly 11 with the water purification delivery port of filter element group spare again, communicate the delivery port of heating body 12 with the delivery port of whole water treatment facilities, water pump assembly 11 can be discharged outside water treatment facilities after the pure water pump that filter element group spare was obtained heats in heating body 12 this moment.

Optionally, in this embodiment, the heating body 12 is a quick-heating body, so that the water treatment apparatus can instantly heat to discharge water. It should be noted that any instant heating body can be used in the present application without departing from the inventive concept of the present application. In this embodiment, the water inlet of the heating body 12 is disposed at the lower end, and the water outlet is disposed at the upper end.

Preferably, as shown in fig. 2, the heating body 12 and the water pump assembly 11 are respectively installed at both sides of the mounting bracket 14. On the one hand, make whole heating module 10's structure more compact, on the other hand, installing support 14 separates water pump assembly 11 and heating body 12, when water pump assembly 11 trouble leaks, can prevent to leak to spray on heating body 12, reduces the unexpected risk of damaging of heating body 12.

As shown in fig. 2 to 4, the heating module 10 further includes a first fastening member (not shown), the mounting bracket 14 is provided with a first mounting portion 142, the first fastening member is engaged with the first mounting portion 142 to mount the heating body 12 on the mounting bracket 14, and the first fastening member is used to mount the heating body 12, so that the heating body 12 is mounted, and the heating module is simple in structure and convenient to operate. Optionally, in this embodiment, the first fastening member is a screw or a bolt, the first mounting portion 142 is a protruding structure configured on the mounting bracket 14, a threaded hole is formed in an end surface of the protruding structure, the heating body 12 is provided with a first through hole 121, and the first fastening member is threaded into the threaded hole after penetrating through the first through hole 121, so as to fix the heating body 12. In other embodiments, the first fastening member may be a pin fixed to the heating body 12, and the first mounting portion 142 is a pin hole formed on the mounting bracket 14, and the pin is inserted into the pin hole to mount the heating body 12. In another embodiment, the first mounting portion 142 is a magnetic member attached to the mounting bracket 14, the first fastening member is a magnetic member attached to the heating body 12, and the first fastening member and the first mounting portion 142 are fixed to each other by magnetic attraction. Preferably, in this embodiment, a plurality of first mounting portions 142 are provided on the mounting bracket 14, and the heating module 10 includes a plurality of first fasteners, each of which is correspondingly engaged with one of the first mounting portions 142. The cooperation of the multiple sets of first mounting portions 142 with the first fasteners further stabilizes and secures the position of heating body 12 on mounting bracket 14. In this embodiment, four first mounting portions 142 are disposed on the mounting bracket 14, and the four first mounting portions 142 are enclosed to form a quadrilateral shape, and in other embodiments, the specific number of the first mounting portions 142 is not limited herein.

As shown in fig. 2 and 5, the heating module 10 further includes a second fastener (not shown), the mounting bracket 14 is provided with a second mounting portion 143, and the second fastener is engaged with the second mounting portion 143 to mount the water pump assembly 11 on the mounting bracket 14. The installation of the water pump assembly 11 is realized through the second fastening piece, and the structure is simple and the operation is convenient. Optionally, in this embodiment, the second fastening member is a screw or a bolt, the second mounting portion 143 is a protruding structure configured on the mounting bracket 14, and a threaded hole is formed in an end surface of the protruding structure, as shown in fig. 3, a second through hole 1121 is formed in the water pump assembly 11, and the second fastening member is threaded through the second through hole 1121 and then is connected to the threaded hole, so that the water pump assembly 11 is fixed. In other embodiments, the second fastening member may also be a pin fixed on the water pump assembly 11, and the second mounting portion 143 is a pin hole configured on the mounting bracket 14, and the pin is inserted into the pin hole to mount the water pump assembly 11. In another embodiment, the second mounting portion 143 is a magnetic member connected to the mounting bracket 14, the second fastening member is a magnetic member connected to the water pump assembly 11, and the second fastening member and the second mounting portion 143 are magnetically fixed to each other. Preferably, in this embodiment, the mounting bracket 14 is provided with a plurality of second mounting portions 143, and the heating module 10 includes a plurality of second fasteners, and each of the second fasteners is correspondingly matched with one of the second mounting portions 143. The engagement of the sets of second mounting portions 143 with the second fasteners further stabilizes and secures the position of the water pump assembly 11 on the mounting bracket 14. In this embodiment, the mounting bracket 14 is provided with four second mounting portions 143, and the four second mounting portions 143 are enclosed to form a quadrilateral shape, and in other embodiments, the specific number of the second mounting portions 143 is not limited herein.

In this embodiment, the mounting bracket 14 is mounted within the housing 20 by a third fastener. Optionally, as shown in fig. 4, a mounting hole 144 is formed in the mounting bracket 14, a threaded hole is formed in the inner side of the outer shell 20, the third fastener is a screw or a bolt, and the third fastener is threaded through the mounting hole 144 and then is in threaded connection with the threaded hole in the outer shell 20, so that the heating module 10 is integrally fixed in the outer shell 20. Preferably, in the present embodiment, four mounting holes 144 are formed in the mounting bracket 14, and four third fasteners are installed in the housing 20, so as to improve the installation firmness of the heating module 10. In other embodiments, the third fastening member may also be a pin fixed on the mounting bracket 14, and correspondingly, the outer shell 20 is provided with a pin hole, and the pin is inserted into the pin hole on the outer shell 20 to implement the mounting of the heating module 10. In another embodiment, the mounting bracket 14 is provided with a magnetic member, and the housing 20 is also provided with a magnetic member, which are magnetically attracted to each other to mount the heating module 10.

In this embodiment, as shown in fig. 2 and fig. 3, the water pump assembly 11 includes a water pump body 111 and a fixing base 112, the water pump body 111 includes a water inlet end and a water outlet end, the water inlet end of the water pump body 111 is communicated with the water outlet of the filter element assembly, the water outlet end of the water pump body 111 is communicated with the connecting pipe assembly 13, and the water pump body 111 is configured to generate a suction force and pump purified water in the filter element assembly into the heating body 12. The fixing base 112 is connected to the water pump body 111, and the second fastening member penetrates through the fixing base 112 and is connected to the second mounting portion 143. The water pump assembly 11 can be prevented from being perforated by arranging the fixing seat 112, the structure of the water pump body 111 can not be damaged, and the installation convenience of the water pump assembly 11 is improved. Optionally, the fixing base 112 includes a connecting portion and an annular portion, the annular portion is sleeved on the water pump body 111, the second through hole 1121 is disposed on the connecting portion, and the second fastening member is connected to the second mounting portion 143 after passing through the second through hole 1121 on the connecting portion.

As shown in fig. 2, in this embodiment, the water pump assembly 11 is disposed at a lower position of one side of the mounting bracket 14, so that the distance between the water outlet end of the water pump assembly 11 and the water inlet of the lower end of the heating body 12 is reduced, thereby facilitating the disposition of the connection pipe assembly 13.

Preferably, as shown in fig. 2, 3 and 6, the connection pipe assembly 13 includes a first adapter 131, a communication pipe 132 and a second adapter 133, two ends of the communication pipe 132 are respectively connected with the first adapter 131 and the second adapter 133, the first adapter 131 is connected with a water outlet end of the water pump assembly 11, and the second adapter 133 is connected with a water inlet of the heating body 12. The extension directions of the water outlet end of the water pump assembly 11 and the water inlet of the heating body 12 can be adjusted by the first adapter 131 and the second adapter 133, so that the communication pipe 132 can communicate the water pump assembly 11 with the heating body 12. Alternatively, as shown in fig. 3, the communication pipe 132 is a metal pipe, which has good heat resistance and high structural strength. Alternatively, the second adapter 133 is an L-shaped hose, and the second adapter 133 can adjust the extension direction of the water inlet of the heating body 12.

Preferably, as shown in fig. 3 and 6, the heating module 10 further comprises a temperature sensor 16, and the temperature sensor 16 is used for detecting the temperature at the output end of the water pump assembly 11, so that the water treatment device can adjust the operation power of the heating body 12 and the like according to the needs. Preferably, the first adapting piece 131 is a tee joint, and three ports of the first adapting piece 131 are respectively connected with the communicating pipe 132, the temperature sensor 16 and the water outlet end of the water pump assembly 11, so that the output end of the water pump assembly 11 can be smoothly connected with the communicating pipe 132, and the temperature sensor 16 can be conveniently mounted. The temperature sensor 16 may be any one of the prior art without departing from the inventive concept of the present application, and is not limited thereto.

Preferably, as shown in fig. 4 and 7, a receiving groove 141 is formed at one side of the mounting bracket 14, and the heating body 12 is at least partially disposed in the receiving groove 141. On the one hand, the accommodating groove 141 can play a role in positioning the installation of the heating body 12, and on the other hand, the accommodating groove 141 covers a part of the heating body 12, so that part of the electronic components on the heating body 12 can be protected and waterproofed.

Preferably, a gap 15 is formed between the heating body 12 and the accommodating groove 141, and the gap 15 can accommodate a wire connected to the heating body 12, so that the accommodating groove 141 can protect the wire, and the wire is prevented from being touched by mistake to affect the firmness of wire connection. Further, as shown in fig. 7, the opening of the accommodation groove 141 is provided toward the side, which is with respect to the vertical direction in the present embodiment. Through setting up the opening with holding tank 141 to the side, even if there is some water to enter into the clearance 15 between installing support 14 and the heating body 12, water also can flow away from the lower extreme along holding tank 141's cell wall to avoid forming ponding in the clearance 15, and then avoid heating body 12 and wire to be steeped by the water.

In one embodiment, as shown in fig. 7, the housing 20 includes a first sidewall 21, and the accommodating groove 141 is disposed toward the first sidewall 21, and the heating body 12 is located between the mounting bracket 14 and the first sidewall 21, and the cooperation between the first sidewall 21 and the mounting bracket 14 can better protect the heating body 12, prevent the heating body 12 from being touched by mistake, and greatly reduce the water leakage of other components in the water treatment device from falling onto the heating body 12. Preferably, the first side wall 21 is provided with a baffle 22, the baffle 22 is located above the mounting bracket 14, and the baffle 22 shields at least part of the top plate 145 of the accommodating groove 141. At this moment, the cell wall and the bottom plate of holding tank 141, first lateral wall 21 of shell 20 has carried out the cladding to four sides and the below of heating body 12 respectively, avoid water to fall on heating body 12 from side, baffle 22 and holding tank 141's roof 145 cooperate the realization to the complete covering of heating body 12 upside, thereby can prevent that the part that is located heating body 12 top from falling into heating body 12 because of leaking of fault production, realized the fine protection to heating body 12 promptly, greatly reduced the unexpected risk of damaging of heating body 12.

In one embodiment, as shown in fig. 8, the inside of the housing 20 is formed with a mounting groove 23, an opening of the mounting groove 23 is opposite to an opening of the receiving groove 141, a groove wall (including an upper wall, a lower wall, and two side walls) of the receiving groove 141 at least partially protrudes into the mounting groove 23, and the heating body 12 is disposed between the receiving groove 141 and the mounting groove 23. At this time, the groove wall of the accommodating groove 141 and the groove wall of the mounting groove 23 can form a complete coating on the heating body 12, thereby preventing water leakage generated by faults of other components in the water treatment equipment from falling onto the heating body 12, and greatly reducing the risk of accidental damage of the heating body 12.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and for those skilled in the art, there are variations on the specific embodiments and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention. 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 claims of the present invention.

Claims

1. A heating module, comprising:

a water pump assembly (11);

the heating body (12) and the connecting pipe assembly (13), wherein the connecting pipe assembly (13) is communicated with the water outlet end of the water pump assembly (11) and the water inlet of the heating body (12);

a mounting bracket (14), the water pump assembly (11) and the heating body (12) assembly being mounted on the mounting bracket (14), the mounting bracket (14) being configured to be mounted within a housing (20) of a water treatment apparatus.

2. The heating module as claimed in claim 1, characterized in that a receiving groove (141) is formed on one side of the mounting bracket (14), the heating body (12) being arranged at least partially in the receiving groove (141).

3. The heating module as claimed in claim 2, characterized in that a gap (15) is formed between the heating body (12) and the accommodating recess (141), said gap (15) being able to accommodate a wire.

4. The heating module as set forth in claim 3, characterized in that the opening of the accommodation groove (141) is provided toward the side.

5. A heating module according to claim 1, characterised in that the heating body (12) and the water pump assembly (11) are mounted on either side of the mounting bracket (14).

6. The heating module as set forth in any one of claims 1-5, characterized in that it further comprises a first fastener, said mounting bracket (14) being provided with a first mounting portion (142), said first fastener cooperating with said first mounting portion (142) to mount said heating body (12) on said mounting bracket (14); and/or

The heating module further comprises a second fastener, a second mounting part (143) is arranged on the mounting bracket (14), and the second fastener is matched with the second mounting part (143) to mount the water pump assembly (11) on the mounting bracket (14); and/or

The mounting bracket (14) is mounted within the housing (20) by a third fastener.

7. The heating module of claim 6, characterised in that said water pump assembly (11) comprises:

the water outlet end of the water pump body (111) is connected with the connecting pipe assembly (13);

fixing base (112), fixing base (112) with water pump body (111) are connected, the second fastener wears to establish fixing base (112) and with second installation department (143) are connected.

8. Heating module according to any one of claims 1 to 5, characterised in that said connecting tube assembly (13) comprises a first adapter piece (131), a communicating tube (132) and a second adapter piece (133), said communicating tube (132) being connected at both ends to said first adapter piece (131) and said second adapter piece (133), respectively, said first adapter piece (131) being connected to the water outlet end of said water pump assembly (11), said second adapter piece (133) being connected to the water inlet of said heating body (12).

9. The heating module of claim 8, further comprising a temperature sensor (16), said first adapter member (131) being a three-way valve, three ports of said first adapter member (131) being connected to said communication tube (132), said temperature sensor (16) and a water outlet end of said water pump assembly (11), respectively.

10. A water treatment apparatus, comprising a housing (20) and a heating module according to any one of claims 1 to 9, the heating module being mounted within the housing (20).

11. A water treatment device according to claim 10, wherein a receiving groove (141) is formed on one side of the mounting bracket (14) to open toward a first side wall (21) of the casing (20), and the heating body (12) is located between the mounting bracket (14) and the first side wall (21) and is at least partially disposed in the receiving groove (141);

a baffle plate (22) is arranged on the first side wall (21), the baffle plate (22) is located above the mounting bracket (14), and the baffle plate (22) shields at least part of the top plate (145) of the accommodating groove (141).

12. The apparatus for treating water according to claim 10, wherein a receiving groove (141) having an opening facing a side is formed at one side of the mounting bracket (14), a mounting groove (23) having an opening facing the opening of the receiving groove (141) is formed at an inner side of the housing (20), the wall of the receiving groove (141) at least partially protrudes into the mounting groove (23), and the heating body (12) is disposed between the receiving groove (141) and the mounting groove (23).