CN212511747U

CN212511747U - A fixed knot constructs, thermal-insulated subassembly and air purifier for heat preservation is cotton

Info

Publication number: CN212511747U
Application number: CN202021128464.8U
Authority: CN
Inventors: 马曾文; 郑良; 赵娟红
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-09
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a fixed knot constructs, thermal-insulated subassembly and air purifier for keeping warm cotton. The fixing structure includes: the mounting piece and the fixing piece arranged on the mounting piece; the mounting part is provided with a heat insulation cotton clamping groove which is of a through groove structure; the fixing piece is used for fixing the mounting piece. The cotton arbitrary port that can follow the cotton chucking groove of heat preservation of air purifier inserts and carries out the pre-installation to the cotton chucking groove of heat preservation, when needs will keep warm cotton assembly to air purifier on, directly install the mounting to cover establish the heat insulating shroud on heating element can, need not to adopt the mode of laying to install the cotton of heat preservation on heating element when needs assemble air purifier, specifically will scribble the viscose on the cotton of heat preservation earlier and then bond the cotton of heat preservation on heating element, can improve air purifier's packaging efficiency.

Description

A fixed knot constructs, thermal-insulated subassembly and air purifier for heat preservation is cotton

Technical Field

The utility model relates to an electrical apparatus technical field especially relates to a fixed knot constructs, thermal-insulated subassembly and air purifier for protecting cotton.

Background

At present, an air purifier is generally provided with a heating component to remove harmful components such as viruses and bacteria in the air, so that the air purifier also has a sterilization function. The heat that the heating element gived off can take place the dispersion, and partial heat can radiate to the components and parts in the air purifier, make components and parts temperature rise sharply, seriously influence product working life, can lead to the product to burn out even, and then cause thermal waste, and be unfavorable for fire safety, to this, install the heat preservation cotton on the heating element usually, make the heat that the heating element gived off most radiate to air purifier's wind channel, harmful component such as virus, bacterium in order effectively to detach the air through the supply-air outlet exhaust. However, the existing heat preservation cotton is usually directly paved on the heating component by adopting viscose glue, which is not beneficial to the installation of the heat preservation cotton and can reduce the assembly efficiency of the air purifier.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a fixing structure for insulation cotton, a heat insulation assembly and an air purifier aiming at the problem of low assembly efficiency of the air purifier.

A fixation structure for insulation wool, the fixation structure comprising: the mounting piece and the fixing piece are arranged on the mounting piece;

the mounting piece is provided with a heat insulation cotton clamping groove which is of a through groove structure;

the fixing piece is used for fixing the mounting piece.

In one embodiment, at least one heat insulation protrusion is arranged at the bottom of the heat insulation cotton clamping groove, and the height of the heat insulation protrusion is smaller than the groove depth of the heat insulation cotton clamping groove.

In one embodiment, the mount comprises: the mounting plate comprises a first side edge and a second side edge which are oppositely distributed;

a first flange portion formed on a first side of the mounting plate;

a second flange portion formed on a second side edge of the mounting plate;

the first flanging part and the second flanging part are matched to form the heat-preservation cotton clamping groove.

In one embodiment, a first limiting portion is arranged at a free end of the first flange portion, and the first limiting portion protrudes towards the second flange portion.

In one embodiment, the first position-limiting part is formed on the first folding edge part in a folding manner.

In one embodiment, a second limiting portion is disposed at a free end of the second flange portion, and the second limiting portion protrudes toward the first flange portion.

In one embodiment, the second limiting portion is formed on the second flange portion by bending.

In one embodiment, the mounting plate further comprises: the third side edge and the fourth side edge are oppositely distributed;

the fixing member includes: a third flange portion formed on a third side of the mounting plate;

a fourth bead formed on a fourth side of the mounting plate;

and the third folding edge part and the fourth folding edge part are respectively provided with at least one fastener penetrating hole.

As above be used for cotton fixed knot of heat preservation to construct, can be applied to air purifier, air purifier's heat preservation cotton can be followed arbitrary port in the cotton chucking groove of heat preservation and inserted and carry out the pre-installation to the cotton chucking groove of heat preservation, when needs assemble the cotton assembly of heat preservation to air purifier on, directly with the mounting to cover establish the heat exchanger on heating element can, need not to adopt the mode of laying when needs assemble air purifier and install the cotton of heat preservation on heating element, specifically will scribble the viscose on the cotton of heat preservation first and then bond the cotton of heat preservation on heating element, can improve air purifier's packaging efficiency.

An insulation assembly, comprising: insulation cotton and the fixed structure of any one of the above;

the heat insulation cotton is clamped in the heat insulation cotton clamping groove of the fixing structure.

As above thermal-insulated subassembly, can be applied to among the air purifier, air purifier's heat preservation cotton can be followed arbitrary port in the cotton chucking groove of heat preservation and inserted and carry out the pre-installation to the cotton chucking groove of heat preservation, when needs will keep warm cotton assembly to air purifier on, directly with the mounting install to cover establish the heat insulating cover on heating element can, need not to adopt the mode of laying when needs assemble air purifier and install the cotton of heat preservation on heating element, specifically will scribble the viscose on the cotton of heat preservation and then bond the cotton of heat preservation on heating element, can improve air purifier's packaging efficiency. In conclusion, the heat insulation assembly is convenient for the assembly of the heat insulation cotton, the material consumption is small, the cost can be reduced, and the weight of the whole air purifier can be effectively reduced.

An air purifier, the air purifier comprising: a heat shield, a heating assembly and said at least one heat shield assembly;

the heat shield is arranged on the heating assembly, and a heat insulation cavity is arranged between the heat shield and the heating assembly;

the heat insulation assembly is positioned in the heat insulation cavity and is connected with the heat insulation cover through a mounting piece of the heat insulation assembly.

As above air purifier, keep warm and can insert to the cotton chucking groove of heat preservation in from arbitrary port in the cotton chucking groove of heat preservation and carry out the pre-installation, when needs will keep warm cotton assembly to air purifier on, directly with the mounting to cover establish the heat insulating shroud on heating element can, need not to adopt the mode of laying when needs assemble air purifier and install the cotton of heat preservation on heating element, specifically will firstly scribble the viscose on the cotton of heat preservation and then bond the cotton of heat preservation on heating element, can improve air purifier's packaging efficiency. In conclusion, the air purifier not only is convenient for the assembly of the heat insulation cotton, but also has less material consumption, can reduce the cost and has effective weight reduction effect on the whole weight of the air purifier.

Drawings

Fig. 1 is a schematic combination view of a heat insulation assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a thermal insulation assembly according to an embodiment of the present invention;

fig. 3 is a schematic combination diagram of an air purifier according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 2 at A;

fig. 5 is a schematic diagram of a junction explosion of the air purifier according to an embodiment of the present invention.

Wherein the various reference numbers in the drawings are described below:

100-an insulating assembly;

110-a fixed structure;

111-a mount;

111 a-heat preservation cotton clamping groove;

1111-mounting plate;

1112-a first hem portion;

1113-second flange portion;

1114 — a first stop;

1115-a second limiting portion;

112-a fixing member;

112 a-holes for fasteners;

1121-third flange portion;

1122-fourth hem portion;

113-heat insulation protrusions;

120-heat preservation cotton;

200-a heat shield;

200 a-windowing;

300-a heating assembly;

310-a mounting frame;

320-fin heating tube.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, an embodiment of the present invention provides a fixing structure 110 for heat-insulating cotton 120, and as shown in fig. 2, the fixing structure 110 includes: a mounting member 111 and a fixing member 112 provided on the mounting member 111; the mounting piece 111 is provided with a heat insulation cotton clamping groove 111a, and the heat insulation cotton clamping groove 111a is of a through groove structure; the fixing member 112 is used to fix the mounting member 111.

As an example, as shown in fig. 2, the thermal insulation cotton clamping groove 111a has a contour matched with the contour of the thermal insulation cotton 120, for example, as shown in fig. 2, the thermal insulation cotton 120 has a rectangular parallelepiped structure, and the thermal insulation cotton clamping groove 111a is a rectangular groove. The width of the heat insulation cotton clamping groove 111a is equal to or slightly smaller than that of the heat insulation cotton 120, so that the heat insulation cotton 120 can be clamped in the heat insulation cotton clamping groove 111 a.

The fixing structure 110 for the thermal insulation cotton 120 can be applied to an air purifier, the thermal insulation cotton 120 of the air purifier can be inserted into the thermal insulation cotton clamping groove 111a from any port of the thermal insulation cotton clamping groove 111a for preassembling, when the thermal insulation cotton 120 needs to be assembled on the air purifier, the fixing piece 112 is directly installed on the heat insulation cover 200 covering the heating assembly 300, the thermal insulation cotton 120 does not need to be installed on the heating assembly 300 in a laying mode when the air purifier needs to be assembled, specifically, viscose glue is coated on the thermal insulation cotton 120, and then the thermal insulation cotton 120 is adhered to the heating assembly 300, and the assembling efficiency of the air purifier can be improved.

In some embodiments of the present invention, as shown in fig. 2, at least one thermal insulation protrusion 113 is disposed at the bottom of the thermal insulation cotton clamping groove 111a, and the height of the thermal insulation protrusion 113 is smaller than the depth of the thermal insulation cotton clamping groove 111 a. The heat insulation protrusion 113 forms an air interlayer between the heat insulation cotton 120 and the mounting member 111, so that the heat insulation effect of the heat insulation cotton 120 on the heating assembly 300 can be improved.

Optionally, the number of the heat insulation protrusions 113 is set to be 2, and the 2 heat insulation protrusions 113 are distributed at both ends of the heat insulation cotton clamping groove 111 a.

Alternatively, the insulation protrusion 113 may be a solid or hollow cylindrical protrusion as shown in fig. 5 or a regular polygonal protrusion such as a triangular prism, a quadrangular prism, a pentagonal prism, etc.

Alternatively, the heat insulation protrusion 113 may be welded, adhered or integrally formed at the bottom of the insulation cotton clamping groove 111 a.

In some embodiments of the present invention, as shown in fig. 2, the mounting member 111 includes: the mounting plate 1111 comprises a first side edge and a second side edge which are oppositely distributed; a first flange portion 1112 formed on a first side edge of the mounting plate 1111; a second flange portion 1113 formed on a second side edge of the mounting plate 1111; the first flange part 1112 and the second flange part 1113 are matched to form a heat preservation cotton clamping groove 111 a. When the fixing element 112 is processed, the first side edge and the second side edge of the mounting plate 1111 are directly bent to form the first flange portion 1112 and the second flange portion 1113, which is convenient for the production of the fixing element 112. It is understood that the mounting plate 1111 is formed by processing a plate material capable of being deformed under a certain pressure, such as a copper plate or an aluminum plate. In addition, the heat insulation protrusion 113 is provided on the mounting plate 1111.

It is understood that the first flange part 1112 and the second flange part 1113 extend in the same direction as the insulation wool fastening groove 111 a. The first flange portion 1112 and the second flange portion 1113 may extend to a length equal to, slightly greater than, or slightly less than the length of the insulating cotton 120.

As an example, the structure of the mounting plate 1111 is the same as the structure of the longitudinal section of the thermal insulation cotton 120, for example, if the thermal insulation cotton 120 shown in fig. 2 is a rectangular parallelepiped structure, the mounting plate 1111 may be a rectangular plate structure, and the length of the mounting plate 1111 is equal to or slightly greater than the length of the thermal insulation cotton 120, and the width of the mounting plate 1111 is equal to or slightly greater than the width of the thermal insulation cotton 120.

Further, in some embodiments of the present invention, as shown in fig. 4, a first position-limiting portion 1114 is disposed on a free end of the first flange portion 1112, and the first position-limiting portion 1114 protrudes toward the second flange portion 1113. After the heat preservation cotton 120 is installed to the heat preservation cotton clamping groove 111a, the first limiting portion 1114 can limit the shaking amplitude of the heat preservation cotton 120 in the thickness direction, and the risk that the heat preservation cotton 120 falls off is reduced.

In some embodiments of the present invention, as shown in fig. 4, the first limiting portion 1114 is formed on the first folding portion 1112 by bending. When the fixing element 112 is processed, the first limiting portion 1114 can be obtained by directly bending the first folding portion 1112, which is convenient for processing the fixing element 112. In the process of processing the fixing member 112, the first flange portion 1112 may be formed on the fixing plate and then the first stopper portion 1114 may be formed, or the first stopper portion 1114 may be formed on the fixing plate and then the first flange portion 1112 may be formed.

It can be understood that the extending direction of the first stopper 1114 is the same as the extending direction of the insulation wool fastening groove 111 a. The extending length of the first position-limiting portion 1114 may be equal to, slightly greater than or slightly less than the length of the thermal insulation cotton 120.

Further, in some embodiments of the present invention, as shown in fig. 4, a second limiting portion 1115 is disposed on a free end of the second flange portion 1113, and the second limiting portion 1115 protrudes toward the first flange portion 1112. After the thermal insulation cotton 120 is mounted to the thermal insulation cotton clamping groove 111a, the second limiting part 1115 can limit the amplitude of the thermal insulation cotton 120 in the thickness direction, and the risk that the thermal insulation cotton 120 falls off is reduced. In application, the first stopper 1114 may be provided on the first flange portion 1112, and/or the second stopper 1115 may be provided on the second flange portion 1113.

Also, in some embodiments of the present invention, as shown in fig. 4, the second limiting portion 1115 is formed on the second flange portion 1113 by bending. When the fixing element 112 is processed, the second flange portion 1113 is directly bent to obtain the second limiting portion 1115, which is convenient for processing the fixing element 112. In the process of processing the fixing member 112, the second flange portion 1113 may be formed on the fixing plate first, and then the second stopper portion 1115 may be formed, or the second stopper portion 1115 may be formed on the fixing plate first, and then the second flange portion 1113 may be formed.

It can be understood that the extending direction of the second limit part 1115 is the same as the extending direction of the insulation wool fastening groove 111 a. The extension length of the second limit part 1115 can be equal to, slightly larger than or slightly smaller than the length of the thermal insulation cotton 120.

On the premise of the mounting member 111 based on the above structure, in some embodiments of the present invention, the mounting plate 1111 further includes: the third side edge and the fourth side edge are oppositely distributed; as shown in fig. 2, the fixing member 112 includes: a third folding portion 1121 formed on a third side of the mounting plate 1111; a fourth bead 1122 formed on a fourth side of the mounting plate 1111; the third folding edge portion 1121 and the fourth folding edge portion 1122 each have at least one fastener through hole 112 a. As shown in fig. 4, the third folding portion 1121 and the fourth folding portion 1122 are mounted on two side walls of the heat shield 200, which are opposite to each other, by fasteners (e.g., screws), so that the fixing structure 110 can be easily attached and detached, and the heat-insulating cotton 120 can be replaced. In addition, when the fixing element 112 is processed, the third and fourth sides of the mounting plate 1111 are directly bent to form the third and fourth

bent portions

1121, 1122, so that the fixing element 112 is conveniently produced. It is understood that the mounting plate 1111 is formed by processing a plate material capable of being deformed under a certain pressure, such as a copper plate or an aluminum plate.

Optionally, two fastener through holes 112a are formed in each of the third folding edge portion 1121 and the fourth folding edge portion 1122, and the two fastener through holes 112a are distributed at intervals along the width direction of the thermal insulation cotton 120.

In summary, the fixing structure 110 for heat insulation cotton is convenient for assembling the heat insulation cotton 120, uses less materials, reduces the cost, and has an effective weight reduction effect on the whole weight of the air purifier.

An embodiment of the present invention provides a thermal insulation assembly 100, as shown in fig. 1, the thermal insulation assembly 100 includes: insulation wool 120 and the fixing structure 110 of any one of the above; the thermal insulation cotton 120 is clamped in the thermal insulation cotton clamping groove 111a of the fixing structure 110.

As an example, as shown in fig. 2, the thermal insulation cotton clamping groove 111a has a contour matched with the contour of the thermal insulation cotton 120, for example, the thermal insulation cotton 120 has a rectangular parallelepiped structure, and the thermal insulation cotton clamping groove 111a is a rectangular groove. The width of the heat insulation cotton clamping groove 111a is equal to or slightly smaller than that of the heat insulation cotton 120, so that the heat insulation cotton 120 can be clamped in the heat insulation cotton clamping groove 111 a.

The heat insulation structure 100 can be applied to an air purifier, the heat insulation cotton 120 of the air purifier can be inserted into the heat insulation cotton clamping groove 111a from any port of the heat insulation cotton clamping groove 111a for preassembling, when the heat insulation cotton 120 needs to be assembled on the air purifier, the fixing piece 112 is directly installed on the heat insulation cover 200 covering the heating assembly 300, the heat insulation cotton 120 does not need to be installed on the heating assembly 300 in a laying mode when the air purifier needs to be assembled, specifically, the heat insulation cotton 120 is firstly coated with viscose glue, and then the heat insulation cotton 120 is adhered to the heating assembly 300, and the assembling efficiency of the air purifier can be improved. Therefore, the heat insulation structure 100 not only facilitates the assembly of the heat insulation cotton 120, but also has less material consumption, can reduce the cost and has effective weight reduction effect on the whole weight of the air purifier.

Another embodiment of the utility model provides an air purifier still provides, as shown in fig. 3 and fig. 5, this air purifier includes: heat shield 200, heating assembly 300, and at least one heat shield assembly 100 as described above; the heat shield 200 is covered on the heating assembly 300, and a heat insulation cavity is arranged between the heat shield 200 and the heating assembly 300; the insulation assembly 100 is located in the insulation chamber and is connected to the heat shield 200 by its own mounting 111.

The air cleaner includes components other than those described above, which are not shown in fig. 3 and 5.

As described above, the heat-insulating cotton 120 can be inserted into the heat-insulating cotton clamping groove 111a from any port of the heat-insulating cotton clamping groove 111a for pre-installation, when the heat-insulating cotton 120 needs to be assembled on the air purifier, the fixing member 112 is directly installed on the heat-insulating cover 200 covering the heating assembly 300, the heat-insulating cotton 120 does not need to be installed on the heating assembly 300 by adopting a laying mode when the air purifier needs to be assembled, specifically, the heat-insulating cotton 120 is firstly coated with viscose glue and then the heat-insulating cotton 120 is adhered on the heating assembly 300, and the assembling efficiency of the air purifier can be improved. Therefore, the air purifier not only facilitates the assembly of the heat insulation cotton 120, but also has less material consumption, can reduce the cost and has effective weight reduction effect on the whole weight of the air purifier.

As an example, the length of the thermal insulation cotton 120 is equal to or slightly less than the width of the thermal insulation cover 200, so that the thermal insulation cover 200 limits the thermal insulation cotton 120 in the length direction of the thermal insulation cotton 120, and prevents the thermal insulation cotton 120 from falling off.

As an example, as shown in fig. 3 and 5, the number of the fixing structures 110 and the heat insulating cotton 120 is 2, and the two fixing structures 110 and the heat insulating cotton 120 are respectively installed at two ends of the heat insulating cover 200 distributed along the length direction. It is understood that each thermal cotton 120 is installed in the corresponding fixing structure 110.

As an example, as shown in fig. 3 and 5, the heating assembly 300 includes: a mounting bracket 310 and a finned heat pipe 320 fixed on the mounting bracket 310. The heat shield 200 may be mounted to the mounting bracket 310 of the heating assembly 300 using fasteners (e.g., screws). In addition, as shown in fig. 3 and 5, a window 200a is formed on the heat shield 200, and a protection net (not shown) is disposed on the window 200a to prevent external objects from falling into the air cleaner.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A fixing structure for insulation wool, characterised in that the fixing structure (110) comprises: a mounting part (111) and a fixing part (112) arranged on the mounting part (111);

the mounting piece (111) is provided with a heat insulation cotton clamping groove (111a), and the heat insulation cotton clamping groove (111a) is of a through groove structure;

the fixing piece (112) is used for fixing the mounting piece (111).

2. The fixing structure according to claim 1, wherein the groove bottom of the insulation cotton clamping groove (111a) is provided with at least one insulation protrusion (113), and the height of the insulation protrusion (113) is smaller than the groove depth of the insulation cotton clamping groove (111 a).

3. A fixation structure as claimed in claim 1 or 2, characterized in that said mounting (111) comprises: a mounting plate (1111), wherein the mounting plate (1111) comprises a first side edge and a second side edge which are distributed oppositely;

a first flange portion (1112) formed on a first side edge of the mounting plate (1111);

a second flange portion (1113) formed on a second side edge of the mounting plate (1111);

the first flange part (1112) and the second flange part (1113) are matched with each other to form the heat-preservation cotton clamping groove (111 a).

4. The fixing structure according to claim 3, wherein a first stopper portion (1114) is provided on a free end of the first flange portion (1112), and the first stopper portion (1114) protrudes toward the second flange portion (1113).

5. The fixing structure according to claim 4, wherein the first stopper portion (1114) is formed on the first flange portion (1112) by bending.

6. A fixing structure according to claim 3, wherein a second stopper portion (1115) is provided on a free end of the second flange portion (1113), and the second stopper portion (1115) protrudes toward the first flange portion (1112).

7. The fixing structure according to claim 6, wherein the second stopper portion (1115) is formed on the second flange portion (1113) by bending.

8. A fixation structure as claimed in claim 3, characterized in that said mounting plate (1111) further comprises: the third side edge and the fourth side edge are oppositely distributed;

the fixing member (112) includes: a third folding portion (1121) formed on a third side edge of the mounting plate (1111);

a fourth bead (1122) formed on a fourth side of the mounting plate (1111);

wherein each of the third folding edge portion (1121) and the fourth folding edge portion (1122) has at least one fastener through hole (112 a).

9. An insulation assembly, characterized in that the insulation assembly (100) comprises: -insulating cotton (120) and a fixation structure (110) according to any one of claims 1 to 8;

the heat insulation cotton (120) is clamped in the heat insulation cotton clamping groove (111a) of the fixing structure (110).

10. An air purifier, characterized in that the air purifier comprises: a heat shield (200), a heating assembly (300) and at least one heat shield assembly (100) of claim 9;

the heat shield (200) is covered on the heating assembly (300), and a heat insulation cavity is arranged between the heat shield (200) and the heating assembly (300);

the heat insulation assembly (100) is located in the heat insulation cavity and is connected with the heat insulation cover (200) through a mounting piece (111) of the heat insulation assembly.