External wall heat preservation and decoration structure

Abstract

The utility model relates to the technical field of external wall heat preservation, and discloses an external wall heat preservation decoration structure which comprises a heat preservation plate, a decoration plate arranged on the outer side of the heat preservation plate and heat preservation nails arranged on the heat preservation plate in a penetrating mode and used for fixing the heat preservation plate. When construction is conducted on the insulation board, glue is smeared on an outer wall, then the insulation board is installed on the outer wall, then the insulation board is installed through the insulation nails, and then the decorative board is installed on the outer side of the insulation board so that the blocking piece can be located in the containing cavity. Meanwhile, the clamping pieces are matched with the blocking pieces in a clamping mode to complete installation of the decorative plate, the situation that a keel needs to be installed on an outer wall is avoided in the process, and therefore the installation difficulty of the decorative plate is reduced, and the installation efficiency of the decorative plate is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of exterior wall insulation, and specifically relates to an exterior wall insulation decorative structure. Background Art

[0002] As people's quality of life continues to improve, in existing building construction, insulation panels are usually installed on the exterior walls to improve the insulation performance of the building, reduce energy consumption and improve the living comfort of residents. In order to increase the aesthetics of the exterior walls, paint will be applied to the outside of the insulation panels. For some high-end residences, decorative panels, such as decorative aluminum panels, will be installed on the outside of the insulation panels.

[0003] At present, when installing decorative panels, it is necessary to first install a frame structure on the exterior wall. The frame structure is usually welded from metal pipes, and then the decorative panels are installed on the frame. This makes the installation of the decorative panels more difficult, which in turn affects the installation efficiency of the decorative panels and increases the installation cost of the decorative panels. Utility Model Content

[0004] The present application provides an exterior wall thermal insulation decoration structure to reduce the difficulty of installing decorative panels, thereby improving the installation efficiency of decorative panels and reducing the installation cost of decorative panels.

[0005] The technical solution adopted in this application is:

[0006] An exterior wall insulation decoration structure includes an insulation board, a decorative board arranged on the outside of the insulation board, and insulation nails penetrated through the insulation board and used to fix the insulation board, the insulation nails have blocking sheets, the decorative board is provided with a clip, the clip has a receiving cavity, at least a portion of the blocking sheet is located in the receiving cavity and is clipped with the clip.

[0007] By adopting the above technical solution, when constructing the insulation board, first apply glue to the exterior wall, then install the insulation board to the exterior wall, and then use insulation nails to install the insulation board, and then install the decorative board to the outside of the insulation board so that the blocking piece is located in the accommodating cavity. At the same time, the clamping part is clamped with the blocking piece to complete the installation of the decorative board. In this process, the need to install a keel on the exterior wall is avoided, thereby reducing the difficulty of installing the decorative board, thereby improving the installation efficiency of the decorative board and reducing the installation cost of the decorative board.

[0008] Optionally, the clamping member is an annular structure, and a plurality of partition grooves are arranged along the circumference of the clamping member.

[0009] By adopting the above technical solution, since the clip is provided with a plurality of partition grooves along its circumference, the deformation range of the clip is increased, so as to reduce the force required for the staff to install the decorative panel, thereby achieving the effect of facilitating the staff to install the decorative panel and improving the installation efficiency of the decorative panel.

[0010] Optionally, the snap-fit ​​component includes a connecting section connected to the decorative plate and a snap-fit ​​section provided on the connecting section and snap-fitted with the blocking sheet, and a guide surface capable of interfering with the blocking sheet is provided on a side of the snap-fit ​​section facing away from the decorative plate.

[0011] By adopting the above technical solution, when installing the decorative panel, first align the decorative panel with the insulation panel, then apply pressure to the decorative panel in the direction of the insulation panel so that the guide surface contacts the blocking piece, and then continue to apply pressing pressure to the decorative panel in the direction of the insulation panel, so that the clip is deformed under the action of the guide surface, thereby reducing the pressing force required to be applied by the staff on the decorative panel, thereby further achieving the effect of facilitating the staff to install the decorative panel.

[0012] Optionally, the blocking sheet is provided with an avoidance gap along its circumference, and the engaging section is engaged with a wall surface of the avoidance gap.

[0013] By adopting the above technical solution, after the decorative panel is installed on the outer side of the insulation board, the clamping piece is clamped together with the blocking plate, that is, the clamping section is clamped to the wall surface of the avoidance gap, and through the setting of the avoidance gap, the clamping section and the outer side surface of the insulation board are avoided to avoid the situation where the clamping section affects the fixing effect of the insulation nails on the insulation board, thereby increasing the fixing stability of the insulation board.

[0014] Optionally, a locking rod is passed through the blocking piece, and when the clamping section is clamped and matched with the blocking piece, the locking rod is passed through the clamping section.

[0015] By adopting the above technical solution, when installing the decorative panel, first align the decorative panel with the insulation panel, and then apply pressing force toward the insulation panel to the decorative panel to make the decorative panel move toward the insulation panel, so that the snap-fit ​​section and the blocking plate are snapped together. At the same time, the decorative panel squeezes the locking rod to move the locking rod toward the insulation panel, and finally the locking rod is inserted into the snap-fit ​​section to increase the snap-fit ​​stability between the snap-fit ​​section and the blocking plate, thereby increasing the stability of fixing the decorative panel.

[0016] Optionally, the heat preservation board is provided with a hidden cavity, and the blocking sheet and the clamping member are located in the hidden cavity, so that the decorative board can contact the heat preservation board.

[0017] By adopting the above technical solution, after the exterior wall insulation decorative structure is installed, the blocking piece and the clip are located in the hidden cavity, so that the decorative panel is in contact with the insulation panel, so as to increase the contact area of ​​the decorative panel with the insulation panel, so that the insulation panel can support the decorative panel, and at the same time avoid the airflow flowing into the space between the decorative panel and the insulation panel, which may cause the decorative panel to be easily separated from the insulation panel, thereby further increasing the stability of the decorative panel.

[0018] Optionally, the decorative panel is provided with a connecting piece and a plug-in piece, and the connecting piece is bent and formed into a connecting groove. When two decorative panels are assembled together, the plug-in piece on one of the decorative panels is plugged into and matched with the connecting groove on the other decorative panel.

[0019] By adopting the above technical scheme, when performing insulation and decoration construction on the exterior wall, it is necessary to splice multiple insulation boards and multiple decorative boards. After the multiple decorative boards are spliced ​​together, the plug-in piece on one decorative board is plugged into and matched with the connecting groove on another decorative board, so that the two adjacent decorative boards are constrained to each other to increase the stability of the decorative boards. At the same time, the gap between the two adjacent decorative boards can be reduced to increase the aesthetics of the building's exterior wall. In addition, the construction quality of the decorative boards can be improved.

[0020] Optionally, the plug-in piece is provided with a stop groove, and the groove wall of the connecting groove is provided with a stop portion, and when the two decorative panels are assembled together, the stop portion and the groove wall of the stop groove are stopped and matched.

[0021] By adopting the above technical solution, after the two decorative panels are assembled together, the stop portion on one of the decorative panels cooperates with the groove wall stop of the stop groove on the other decorative panel to increase the connection stability of the two adjacent decorative panels, avoid the two decorative panels from detaching from each other, and further increase the stability of the decorative panels.

[0022] Optionally, the connecting piece has a stop area, the stop area is provided with a breakaway groove, and the connecting piece at the breakaway groove is bent toward the inside of the connecting groove to form the stop portion.

[0023] By adopting the above technical solution, since the stop portion is formed by bending the connecting piece at the breakaway groove toward the inside of the connecting groove, the production cost of the decorative panel is reduced, while the production difficulty of the decorative panel is reduced. In addition, the weight of the decorative panel is reduced to further increase the stability of the decorative panel.

[0024] Optionally, the connecting piece has a connecting end connected to the decorative plate and a free end capable of swinging relative to the connecting end, and the free end is bent in a direction away from the decorative plate.

[0025] By adopting the above technical solution, since the free end is bent in the direction away from the decorative panel, the width of the connecting groove is increased, thereby reducing the difficulty of assembling two adjacent decorative panels together, thereby improving the assembly efficiency of the decorative panels and further reducing the assembly cost of the decorative panels.

[0026] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0027] 1. The exterior wall insulation decoration structure in the present application includes an insulation board, a decorative board arranged on the outside of the insulation board, and an insulation nail which is inserted through the insulation board and is used to fix the insulation board, the insulation nail has a blocking piece, the decorative board is provided with a snap-in piece, the snap-in piece has a receiving cavity, at least a part of the blocking piece is located in the receiving cavity and is snap-fitted with the snap-in piece. When constructing the insulation board, first apply glue to the exterior wall, then install the insulation board to the exterior wall, and then use the insulation nails to install the insulation board, and then install the decorative board to the outside of the insulation board so that the blocking piece is located in the receiving cavity. At the same time, the snap-in piece is snap-fitted with the blocking piece to complete the installation of the decorative board. In this process, the need to install a keel on the exterior wall is avoided, thereby reducing the difficulty of installing the decorative board, and thus improving the installation efficiency of the decorative board.

[0028] 2. The clip in the present application is an annular structure, and a plurality of partition grooves are arranged along its circumference, thereby increasing the range of deformation of the clip, so as to reduce the force required for the staff to install the decorative panel, thereby achieving the effect of facilitating the staff to install the decorative panel, and at the same time improving the installation efficiency of the decorative panel.

[0029] 3. The snap-in component in the present application includes a connecting section connected to the decorative panel and a snap-in section arranged on the connecting section and snap-fitted with the blocking piece. A guide surface capable of interfering with the blocking piece is arranged on the side of the snap-in section facing away from the decorative panel. When installing the decorative panel, the decorative panel is first aligned with the insulation panel, and then pressure is applied to the decorative panel in the direction of the insulation panel so that the guide surface is in contact with the blocking piece. Then, a pressing force is continued to be applied to the decorative panel in the direction of the insulation panel, so that the snap-in component is deformed under the action of the guide surface, so as to reduce the pressing force required to be applied by the staff to the decorative panel, thereby further achieving the effect of facilitating the staff to install the decorative panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0031] Figure 1 This is a schematic structural diagram of the exterior wall thermal insulation decoration structure described in one implementation manner of the present application;

[0032] Figure 2 for Figure 1 A magnified view of the middle A area;

[0033] Figure 3 This is a schematic diagram of the structure of the decorative plate described in one embodiment of the present application;

[0034] Figure 4 This is a partial structural schematic diagram of two adjacent decorative panels connected together in one implementation manner of the present application;

[0035] Figure 5 This is a schematic structural diagram of the decorative panel from another perspective in one embodiment of the present application.

[0036] Reference numerals:

[0037] 1. Insulation board; 11. Hidden cavity; 12. Accommodating gap; 2. Decorative board; 21. Snap-in piece; 211. Accommodating cavity; 212. Partition groove; 213. Connecting section; 214. Snap-in section; 215. Guide surface; 22. Connecting piece; 221. Connecting groove; 222. Stopper; 23. Plug-in piece; 231. Stopper groove; 3. Insulation nail; 31. Blocking piece; 311. Avoiding gap; 312. Locking rod. DETAILED DESCRIPTION

[0038] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.

[0040] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and 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 therefore should not be understood as a limitation on the present application.

[0041] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0043] Reference Figures 1 to 5 , discloses an exterior wall insulation decoration structure, which includes an insulation board 1, a decorative board 2 arranged on the outside of the insulation board 1, and an insulation nail 3 penetrated through the insulation board 1 and used to fix the insulation board 1, the insulation nail 3 has a blocking piece 31, the decorative board 2 is provided with a clip 21, the clip 21 has a receiving cavity 211, at least a part of the blocking piece 31 is located in the receiving cavity 211 and is clipped with the clip 21.

[0044] When constructing the insulation board 1, first apply glue to the exterior wall, then install the insulation board 1 to the exterior wall, and then drill holes on the exterior wall, insert the insulation nails 3 through the insulation board 1 and into the holes on the exterior wall, so that the blocking piece 31 of the insulation nail 3 is pressed against the insulation board 1, and then install the decorative board 2 to the outside of the insulation board 1, so that the blocking piece 31 is located in the accommodating cavity 211, and at the same time, the clamping piece 21 is clamped and matched with the blocking piece 31 to complete the installation of the decorative board 2. In this process, the need to install a keel on the exterior wall is avoided, thereby reducing the difficulty of installing the decorative board 2, thereby improving the installation efficiency of the decorative board 2 and reducing the installation cost of the decorative board 2.

[0045] The present application does not specifically limit the structure of the clamping member 21, and it may adopt any one of the following embodiments:

[0046] Embodiment 1. In this embodiment, referring to Figure 2 , Figure 3 and Figure 5 The clip 21 is an annular structure, and a plurality of partition grooves 212 are arranged along its circumference, thereby increasing the deformation range of the clip 21, so that when the staff installs the decorative panel 2, the clip 21 can undergo a greater deformation, thereby reducing the force required for the staff to install the decorative panel 2, thereby achieving the effect of facilitating the staff to install the decorative panel 2 and improving the installation efficiency of the decorative panel 2.

[0047] In a preferred embodiment, referring to Figure 2 The clip 21 includes a connecting section 213 connected to the decorative panel 2 and a clip 214 provided on the connecting section 213 and clipped with the blocking sheet 31. That is to say, the connecting section 213 and the clip 214 together form an L-shaped structure. The side of the clip 214 facing away from the decorative panel 2 is provided with a guide surface 215 that can interfere with the blocking sheet 31.

[0048] Specifically, the guide surface 215 is inclined along the direction close to the decorative panel 2 toward the center axis direction of the clip 21. When installing the decorative panel 2, first align the decorative panel 2 with the insulation panel 1, and then apply pressure to the decorative panel 2 in the direction of the insulation panel 1, so that the guide surface 215 contacts the blocking sheet 31, and then continue to apply pressing pressure to the decorative panel 2 in the direction of the insulation panel 1, so that the clip 21 is deformed under the action of the guide surface 215, so as to reduce the pressing force required to be applied by the staff on the decorative panel 2, thereby further achieving the effect of facilitating the staff to install the decorative panel 2.

[0049] Embodiment 2. In this embodiment, the clip 21 is a split structure, that is, the clip 21 is a segmented structure arranged in sequence along the circumference of the blocking piece 31. Each segment of the clip 21 includes a connecting segment 213 connected to the decorative panel 2 and a clip segment 214 arranged on the connecting segment 213 and snap-fitted with the blocking piece 31. The clip segment 214 and the connecting segment 213 together form an L-shape.

[0050] Preferably, the blocking sheet 31 is a sheet structure supported by a metal material, such as iron, aluminum, etc., so as to increase the clamping stability between the clamping member 21 and the blocking sheet 31 , thereby ensuring the stability of the decorative panel 2 .

[0051] In a preferred embodiment, referring to Figure 2The blocking sheet 31 is provided with an avoidance notch 311 along its circumference, and the clamping section 214 is clamped to the wall surface of the avoidance notch 311. That is to say, after the decorative plate 2 is installed to the outer side of the thermal insulation board 1, the clamping piece 21 is clamped and matched with the blocking sheet 31, that is, the clamping section 214 is clamped to the wall surface of the avoidance notch 311, and the setting of the avoidance notch 311 makes the clamping section 214 and the outer side surface of the thermal insulation board 1 avoid each other, so as to avoid the situation that the clamping section 214 affects the fixing effect of the thermal insulation nail 3 on the thermal insulation board 1, thereby increasing the fixing stability of the thermal insulation board 1.

[0052] In a preferred embodiment, referring to Figure 2 The blocking sheet 31 is provided with a locking rod 312, and when the clamping section 214 is clamped with the blocking sheet 31, the locking rod 312 is penetrated by the clamping section 214. That is to say, when installing the decorative panel 2, the decorative panel 2 is first aligned with the insulation board 1, and then a pressing force is applied to the decorative panel 2 toward the insulation board 1, so that the decorative panel 2 moves toward the insulation board 1, so that the clamping section 214 and the blocking sheet 31 are clamped together, and at the same time, the decorative panel 2 presses the locking rod 312, so that the locking rod 312 moves toward the insulation board 1, and finally the locking rod 312 is inserted into the clamping section 214, so as to increase the clamping stability of the clamping section 214 and the blocking sheet 31, thereby increasing the stability of fixing the decorative panel 2.

[0053] Better, refer to Figure 2 The length of the locking rod 312 is greater than the thickness of the blocking piece 31 to ensure that after the clamping member 21 and the blocking piece 31 are clamped together, the locking rod 312 can extend into the clamping section 214 to limit the clamping section 214, thereby ensuring the clamping stability of the clamping member 21 and the blocking piece 31.

[0054] In a preferred embodiment, referring to Figure 1 and Figure 2 The insulation board 1 is provided with a hidden cavity 11, and the blocking piece 31 and the clamping piece 21 are located in the hidden cavity 11, so that the decorative board 2 can contact the insulation board 1. After the external wall insulation decorative structure is installed, the blocking piece 31 and the clamping piece 21 are located in the hidden cavity 11, and then the decorative board 2 is in contact with the insulation board 1, so as to increase the contact area of ​​the decorative board 2 on the insulation board 1, so that the insulation board 1 can support the decorative board 2, and at the same time, avoid the airflow between the decorative board 2 and the insulation board 1, which makes the decorative board 2 easy to separate from the insulation board 1, thereby further increasing the stability of the decorative board 2.

[0055] The present application does not specifically limit the number of the clamping piece 21 and the insulation nail 3. Preferably, a plurality of insulation nails 3 are provided, and a plurality of the clamping piece 21 is provided corresponding to the insulation nail 3, thereby increasing the fixing points of the insulation board 1 and the decorative board 2, thereby increasing the fixing effect of the insulation board 1 and the decorative board 2, and further increasing the stability of the insulation board 1 and the decorative board 2. In other embodiments, the insulation nail 3 and the clamping piece 21 can also be provided with one each.

[0056] In a preferred embodiment, referring to Figure 1 , Figure 3 , Figure 4 and Figure 5 The decorative panel 2 is provided with a connecting piece 22 and a plug-in piece 23. The connecting piece 22 is bent and formed into a connecting groove 221. When two decorative panels 2 are assembled together, the plug-in piece 23 on one decorative panel 2 is plugged into and matched with the connecting groove 221 on the other decorative panel 2. When the exterior wall is insulated and decorated, multiple insulation panels 1 and multiple decorative panels 2 need to be spliced. After the multiple decorative panels 2 are spliced ​​together, the plug-in piece 23 on one decorative panel 2 is plugged into and matched with the connecting groove 221 on the other decorative panel 2, so that the two adjacent decorative panels 2 are mutually constrained to increase the stability of the decorative panels 2. At the same time, the gap between the two adjacent decorative panels 2 can be reduced to increase the aesthetics of the exterior wall of the building, and the construction quality of the decorative panels 2 can also be improved.

[0057] Furthermore, the decorative panel 2 has a length direction and a width, wherein the two ends in the length direction are respectively provided with a connecting piece 22 and a plug-in piece 23 , and the two sides in the width direction are also respectively provided with a connecting piece 22 and a plug-in piece 23 , so as to increase the connection stability of adjacent decorative panels 2 .

[0058] The present application does not specifically limit the structure of the connecting groove 221. Preferably, refer to Figure 1 , Figure 3 and Figure 4 The connection groove 221 is U-shaped to increase the connection stability between the plug-in piece 23 and the connection groove 221, and at the same time increase the limiting effect of the connection groove 221 on the plug-in piece 23 to ensure that the gap between two adjacent decorative panels 2 is kept in a small range. In other embodiments, the connection groove 221 can also be V-shaped to reduce the difficulty of splicing two adjacent decorative panels 2 together.

[0059] Further, see Figure 1 , Figure 3 and Figure 4 The plug-in piece 23 is provided with a stop groove 231 , and the groove wall of the connecting groove 221 is provided with a stop portion 222 . When the two decorative panels 2 are assembled together, the stop portion 222 cooperates with the groove wall of the stop groove 231 .

[0060] That is to say, after the two decorative panels 2 are assembled together, the stop portion 222 on one of the decorative panels 2 cooperates with the groove wall stop of the stop groove 231 on the other decorative panel 2 to increase the connection stability of the two adjacent decorative panels 2, avoid the two decorative panels 2 from detaching from each other, and further increase the stability of the decorative panel 2.

[0061] The present application does not specifically limit the formation method of the stopper 222. Preferably, refer to Figure 1 , Figure 3 and Figure 4 The connecting piece 22 has a stop area, and a breakaway groove is provided in the stop area. The connecting piece 22 at the breakaway groove is bent toward the inside of the connecting groove 221 to form a stop portion 222, thereby reducing the production cost of the decorative panel 2, while reducing the production difficulty of the decorative panel 2, and also reducing the weight of the decorative panel 2 to further increase the stability of the decorative panel 2.

[0062] In other embodiments, the stopper 222 may also be a block structure disposed on the wall of the connecting groove 221 .

[0063] In a preferred embodiment, referring to Figure 1 , Figure 3 and Figure 4 The connecting piece 22 has a connecting end connected to the decorative panel 2 and a free end that can swing relative to the connecting end. The free end is bent in a direction away from the decorative panel 2 to increase the slot width of the connecting slot 221, thereby reducing the difficulty of assembling two adjacent decorative panels 2 together, thereby improving the assembly efficiency of the decorative panel 2 and reducing the assembly cost of the decorative panel 2.

[0064] In a preferred embodiment, referring to Figure 1 The side of the insulation board 1 is provided with a receiving notch 12 corresponding to the connecting piece 22 and the plug-in piece 23, so that after the decorative board 2 is installed on the insulation board 1, the connecting piece 22 and the plug-in piece 23 are located in the receiving notch, so that the connecting piece 22 and the plug-in piece 23 are avoided with the insulation board 1 to ensure that the decorative board 2 can contact the outer side of the insulation board 1 to ensure the stability of the decorative board 2.

[0065] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0066] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0067] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An exterior wall insulation decoration structure, comprising an insulation board (1), a decoration board (2) arranged outside the insulation board (1), and insulation nails (3) passing through the insulation board (1) and used to fix the insulation board (1), characterized in that: The heat-insulating nail (3) has a blocking piece (31), the decorative plate (2) is provided with a snap-fitting piece (21), the snap-fitting piece (21) has a receiving cavity (211), at least a part of the blocking piece (31) is located in the receiving cavity (211) and is snap-fitted with the snap-fitting piece (21).

2. The exterior wall thermal insulation decorative structure according to claim 1, characterized in that: The clamping member (21) is an annular structure, and a plurality of partition grooves (212) are arranged along the circumference of the clamping member (21).

3. The exterior wall thermal insulation decorative structure according to claim 1, characterized in that: The snap-fitting member (21) comprises a connecting section (213) connected to the decorative plate (2) and a snap-fitting section (214) provided on the connecting section (213) and snap-fitted with the blocking sheet (31); a guide surface (215) capable of abutting against the blocking sheet (31) is provided on a side of the snap-fitting section (214) facing away from the decorative plate (2).

4. The exterior wall thermal insulation decorative structure according to claim 3, characterized in that: The blocking sheet (31) is provided with an avoidance notch (311) along its circumference, and the engaging section (214) is engaged with the wall surface of the avoidance notch (311).

5. The exterior wall thermal insulation decorative structure according to claim 3, characterized in that: The blocking piece (31) is provided with a locking rod (312), and when the clamping section (214) is clamped and matched with the blocking piece (31), the locking rod (312) is provided through the clamping section (214).

6. The exterior wall thermal insulation decorative structure according to claim 1, characterized in that: The heat preservation board (1) is provided with a hidden cavity (11), and the blocking sheet (31) and the clamping member (21) are located in the hidden cavity (11), so that the decorative board (2) can contact the heat preservation board (1).

7. The exterior wall thermal insulation decorative structure according to claim 1, characterized in that: The decorative panel (2) is provided with a connecting piece (22) and a plug-in piece (23); the connecting piece (22) is bent and forms a connecting groove (221); when two decorative panels (2) are assembled together, the plug-in piece (23) on one decorative panel (2) is plugged into and matched with the connecting groove (221) on the other decorative panel (2).

8. The exterior wall thermal insulation decorative structure according to claim 7, characterized in that: The plug-in piece (23) is provided with a stop groove (231), and the groove wall of the connecting groove (221) is provided with a stop portion (222). When the two decorative panels (2) are assembled together, the stop portion (222) and the groove wall of the stop groove (231) are stop-matched.

9. The exterior wall thermal insulation decorative structure according to claim 8, characterized in that: The connecting piece (22) has a stopper area, the stopper area is provided with a breakaway groove, and the connecting piece (22) at the breakaway groove is bent toward the inside of the connecting groove (221) to form the stopper portion (222).

10. The exterior wall thermal insulation decorative structure according to claim 7, characterized in that: The connecting piece (22) comprises a connecting end connected to the decorative plate (2) and a free end capable of swinging relative to the connecting end, wherein the free end is bent in a direction away from the decorative plate (2).

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