A detachable anchor bolt and vacuum insulation board insulation structure

Abstract

The utility model relates to building external wall heat preservation technical field especially detachable anchor bolt and vacuum heat insulation board heat preservation structure, detachable anchor bolt includes anchor disc assembly, sleeve assembly and nail core assembly, anchor disc assembly includes anchor disc and movable chucking mechanism in the middle, movable chucking mechanism includes mounting seat, fixed block, pressing block, sliding block and locking mechanism, when pressing block is in first position, sliding block and nail core assembly axial opposite fixed, and locking mechanism is connected with sleeve assembly, when pressing block moves to second position in nail core assembly direction, sliding block moves along the axial direction with nail core assembly and is loose, and locking mechanism is separated with sleeve assembly. The utility model discloses through movable chucking mechanism, realizes the connection and separation of anchor disc assembly and sleeve assembly, and further can complete the disassembly, replacement or reuse of anchor disc assembly, and utilizes the double-sided arrangement of the glue powder polystyrene particle layer to increase the protection of the vacuum heat insulation board.

Description

Technical Field

[0001] This utility model relates to the field of building exterior wall insulation technology, and in particular to a detachable anchor bolt and vacuum insulation board insulation structure. Background Technology

[0002] Polystyrene granules with adhesive are lightweight and easy to handle complex architectural shapes, making them widely used in building exterior wall insulation. However, this insulation structure faces several challenges in its application: Firstly, with the continuous improvement of building insulation standards, its insulation performance is no longer sufficient to meet increasingly stringent requirements, and traditional construction processes require multiple coats of polystyrene granules with intervals of no less than 24 hours, resulting in high construction difficulty and low efficiency. Secondly, over time, the water resistance and weather resistance of the adhesive deteriorate, leading to a decrease in the adhesion between the polystyrene granules and the wall, often resulting in cracking and detachment of the insulation layer. Regular maintenance is required, which necessitates the destructive removal of existing anchors, increasing maintenance costs. Utility Model Content

[0003] This utility model aims to solve the above problems and provides a detachable anchor bolt and vacuum insulation board thermal insulation structure, the technical solution of which is as follows: A detachable anchor bolt includes an anchor plate assembly, a sleeve assembly, and a core assembly. The anchor plate assembly includes an anchor plate and a movable clamping mechanism in its center. The movable clamping mechanism includes a mounting base, a fixing block, a pressing block, a sliding block, and a locking mechanism. The mounting base is fixedly connected to the anchor plate. The fixing block is fixedly installed in the mounting base and has a through groove. The pressing block, sliding block, and locking mechanism are arranged from top to bottom in the through groove. The sleeve assembly is located below the anchor plate assembly, and the locking mechanism is detachably connected to the sleeve assembly. The core assembly is detachably located inside the sleeve assembly, and its upper end is inserted into the sliding block. When the pressing block is in a first position, the sliding block and the core assembly are axially fixed, and the locking mechanism is connected to the sleeve assembly. When the pressing block moves towards the core assembly to a second position, the sliding block moves axially relative to the fixing block and disengages from the core assembly, and the locking mechanism disengages from the sleeve assembly.

[0004] Based on the above scheme, the through groove of the fixing block is formed by a clamping vertical surface and a clamping conical surface. The clamping vertical surface is parallel to the axis of the nail core assembly, and the clamping conical surface is connected below the clamping vertical surface, with its inner diameter decreasing from top to bottom. The pressing block is located at the clamping vertical surface. The pressing block is inverted U-shaped with its opening facing downwards. A conical active pressing surface is formed on the inner side of the lower end of the pressing block, and the inner diameter of the active pressing surface increases from top to bottom. The sliding block includes an upper part, a middle part, and a lower part that are fixedly connected from top to bottom and coaxially arranged. The upper part is inserted into the pressing block, and a conical passive pressing surface is connected between the upper part and the middle part. The outer diameter of the passive pressing surface decreases from top to bottom. A pressing ball is set between the active pressing surface and the passive pressing surface. The pressing ball is movably set in the through groove, and during the process of the pressing block moving downwards to the second position, the pressing ball... The pressure ball simultaneously abuts against both the active and passive pressing surfaces, driving the sliding block to move upward. The lower part is set within the clamping cone surface, and its outer surface is parallel to the clamping cone surface. The lower center has a downward-opening clamping assembly groove along the axial direction of the nail core assembly, and a clamping ball mounting groove is set radially. The nail core assembly includes a clamping pin head at the upper end and a rod body fixedly connected below it. The clamping pin head is frustoconical with its outer diameter decreasing from top to bottom. The clamping pin head is inserted into the clamping assembly groove. The rod body is cylindrical and inserted into the sleeve assembly. A movable clamping ball is set in the clamping ball mounting groove. When the pressing block is in the first position, the opposite sides of the clamping ball abut against the clamping pin head and the clamping cone surface, respectively. When the pressing block is in the second position, the clamping ball moves upward with the sliding block to the clamping surface and does not abut against the clamping pin head.

[0005] Based on the above scheme, a retaining ring is fixedly connected to the inner side of the fixing block. The retaining ring is located below the pressing block, and the extrusion ball is surrounded in the cavity formed by the active extrusion surface, the passive extrusion surface, and the retaining ring.

[0006] Preferably, the locking mechanism includes a tension spring, a locking plate, a locking hook, and a limiting rod. The tension spring is arranged radially along the through groove, and its two ends are respectively connected to the fixing block and the locking plate. The locking plate is provided with a limiting hole. The limiting rod is arranged axially along the through groove, and its upper end is fixedly connected to the sliding block, while its lower end is inserted into the limiting hole. The locking hook is fixedly connected to the bottom of the locking plate. The sleeve assembly is provided with a locking hole. When the pressing block is in the first position, the locking hook is engaged in the locking hole. When the pressing block is in the second position, the limiting rod moves upward to the outside of the limiting hole, and the locking plate moves radially inward along the through groove until the locking hook disengages from the locking hole.

[0007] Preferably, a spring mounting part is connected between the middle and lower parts of the sliding block, and a return spring is sleeved on the spring mounting part. The two ends of the return spring abut against the retaining ring and the upper end of the lower part, respectively, and the return spring is a compression spring.

[0008] Preferably, there are multiple compression balls and clamping balls, which are evenly distributed circumferentially about the nail core assembly.

[0009] Preferably, the sleeve assembly includes a protective sleeve and a tube body fixedly connected along the axial direction. The protective sleeve is fitted outside the mounting base, the tube body contains a rod body, and the lower outer side of the tube body is provided with reverse teeth.

[0010] Based on the above scheme, a closed protective film is provided at the end of the protective sleeve away from the tube body.

[0011] Preferably, the lower outer surface of the rod is provided with strip ribs along the axial direction.

[0012] A vacuum insulation panel thermal insulation structure includes a base wall, a leveling layer, a first layer of polystyrene granules, a vacuum insulation panel, a second layer of polystyrene granules, a finishing mortar layer, and the aforementioned detachable anchor bolts arranged sequentially. The sleeve assembly of the detachable anchor bolts passes through the joint between adjacent vacuum insulation panels, the first layer of polystyrene granules, and the leveling layer from the outside to the inside, and extends into the base wall. The anchor plate is set in the finishing mortar layer.

[0013] The beneficial effects of this utility model are as follows: The movable clamping mechanism enables the connection and disconnection of the anchor plate assembly and the sleeve assembly, thereby facilitating the disassembly, replacement, or reuse of the anchor plate assembly, as well as the replacement of the nail core assembly. This makes it easier to disassemble, repair, and reuse parts of the anchor bolt structure after the vacuum insulation panel bulges, reducing maintenance costs. The locking mechanism allows the anchor bolt to anchor the entire insulation system, ensuring system integrity. The composite high-insulation-performance vacuum insulation panel enhances the overall system's energy-saving effect. The double-sided arrangement of adhesive-coated polystyrene particle layers increases the protection of the vacuum insulation panel, improving its impact and puncture resistance. Attached Figure Description

[0014] Figure 1 : Schematic diagram of the detachable anchor bolt structure of this utility model; Figure 2 : Schematic diagram of the movable clamping mechanism of this utility model; Figure 3 : Schematic diagram of the locking mechanism of this utility model; Figure 4 : Schematic diagram of the sleeve assembly structure of this utility model; Figure 5 : Schematic diagram of the nail core assembly structure of this utility model; Figure 6 : Schematic diagram of the installation state of the detachable anchor bolt of this utility model. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments: In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0016] In the description of this utility model, it should be understood that the terms "center," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," and "inner," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0017] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0018] like Figures 1 to 5As shown, a detachable anchor bolt includes an anchor plate assembly, a sleeve assembly, and a core assembly. The anchor plate assembly includes an anchor plate 11 and a movable clamping mechanism in its center. The movable clamping mechanism includes a mounting base 21, a fixing block 22, a pressing block 23, a sliding block 25, and a locking mechanism. The mounting base 21 is fixedly connected to the anchor plate 11. The fixing block 22 is fixedly installed in the mounting base 21, and a through groove is provided in the fixing block 22. The pressing block 23, the sliding block 25, and the locking mechanism are arranged from top to bottom in the through groove. The sleeve assembly is located below the anchor plate assembly, and the locking mechanism is detachably connected to the sleeve assembly. The nail core assembly is detachably located inside the sleeve assembly, and the upper end of the nail core assembly is inserted into the sliding block 25. When the pressing block 23 is in the first position, the sliding block 25 is axially fixed relative to the nail core assembly, and the locking mechanism is connected to the sleeve assembly. When the pressing block 23 moves towards the nail core assembly to the second position, the sliding block 25 moves axially relative to the fixing block 22 and disengages from the nail core assembly, and the locking mechanism disengages from the sleeve assembly.

[0019] Specifically, the through groove of the fixing block 22 is formed by the clamping vertical surface 221 and the clamping conical surface 222. The clamping vertical surface 221 is parallel to the axis of the nail core assembly, and the clamping conical surface 222 is connected below the clamping vertical surface 221, with its inner diameter decreasing from top to bottom. The pressing block 23 is disposed at the clamping vertical surface 221. The pressing block 23 is inverted U-shaped with its opening facing downward. A conical active pressing surface 231 is formed on the inner side of the lower end of the pressing block 23, and the inner diameter of the active pressing surface 231 increases from top to bottom. The sliding block 25 includes an upper part 251, a middle part 253, and a lower part that are fixedly connected from top to bottom and coaxially arranged. 255, the upper part 251 is inserted into the pressing block 23, and a conical passive pressing surface 252 is connected between the upper part 251 and the middle part 253. The outer diameter of the passive pressing surface 252 decreases from top to bottom. A pressing ball 24 is provided between the active pressing surface 231 and the passive pressing surface 252. The pressing ball 24 is movably disposed in the through groove. Preferably, a retaining ring 261 is fixedly connected to the inner side of the fixing block 22. The retaining ring 261 is disposed below the pressing block 23, and the pressing ball 24 is surrounded in the cavity formed by the active pressing surface 231, the passive pressing surface 252 and the retaining ring 261. During the downward movement of the pressing block 23 to the second position, the compression ball 24 simultaneously abuts against both the active compression surface 231 and the passive compression surface 252, driving the sliding block 25 to move upward. Specifically, the pressing block 23 causes the active compression surface 231 to move downward. After the compression ball 24 abuts against the active compression surface 231, it receives an inward force, thus moving and rotating inward until it abuts against the passive compression surface 252. It then applies an inward and upward force to the passive compression surface 252, thereby pushing the passive compression surface 252 and the sliding block 25 upward until the pressing block 23 reaches the second position and the sliding block 25 is in place. There are multiple compression balls 24, evenly distributed circumferentially around the nail core assembly, which facilitates uniform force distribution on the sliding block 25 in all directions and stable axial movement.

[0020] The lower part 255 is disposed within the clamping conical surface 222, and the outer surface of the lower part 255 is parallel to the clamping conical surface 222. A downward-opening clamping assembly groove 257 is provided at the center of the lower part 255 along the axial direction of the nail core assembly, and a clamping ball mounting groove 256 is provided radially. The nail core assembly includes a clamping pin head 41 at the upper end and a rod body 42 fixedly connected below it. The clamping pin head 41 is frustoconical in shape with its outer diameter decreasing from top to bottom. The clamping pin head 41 is inserted into the clamping assembly groove 257. The rod body 42 is cylindrical and inserted into the sleeve assembly. A movable clamping ball 27 is provided in the clamping ball mounting groove 256. When the pressing block 23 is in the first position... The clamping balls 27 abut against the clamping pins 41 and the clamping cones 222 on opposite sides, respectively. Under the action of the clamping balls 27, the clamping pins 41 cannot move downward relative to the sliding block 25, thus achieving axial fixation between the nail core assembly and the anchor plate assembly. When the pressing block 23 is in the second position, the clamping balls 27 move upward with the sliding block 25 to the clamping surface 221, and do not abut against the clamping pins 41. Since the radial distance at the clamping surface 221 is greater than that at the clamping cones 222, the clamping balls 27 can move radially outward relative to the clamping pins 41, thereby allowing the clamping pins 41 to move downward relative to the sliding block 25 and disengage from each other. Preferably, there are multiple clamping balls 27, which are evenly distributed circumferentially about the nail core assembly, so that the clamping pins 41 are subjected to uniform force in all directions, avoiding axial displacement.

[0021] A spring mounting part 254 is connected between the middle part 253 and the lower part 255 of the sliding block 25. A return spring 262 is sleeved on the spring mounting part 254. The two ends of the return spring 262 abut against the retaining ring 261 and the upper end of the lower part 255, respectively. The return spring 262 is a compression spring. The squeezing action of the return spring 262 causes the sliding block 25 to have a downward moving force when the pressing block 23 is in the first position, thereby keeping the movable clamping mechanism and the clamping pin 41 in an axially relatively fixed state.

[0022] The locking mechanism includes a tension spring 281, a locking plate 282, a hook 284, and a limiting rod 285. The tension spring 281 is radially arranged along the through groove, and its two ends are respectively connected to the fixing block 22 and the locking plate 282. The locking plate 282 is provided with a limiting hole 283. The limiting rod 285 is axially arranged along the through groove, and its upper end is fixedly connected to the sliding block 25, while its lower end is inserted into the limiting hole 283. The hook 284 is fixedly connected to the locking plate 282. At the bottom, the sleeve assembly is provided with a locking hole 33. When the pressing block 23 is in the first position, the locking hook 284 is engaged in the locking hole 33. When the pressing block 23 is in the second position, the limiting rod 285 moves upward to the outside of the limiting hole 283. Under the tension of the tension spring 281, the locking plate 282 moves radially inward along the through groove until the locking hook 284 disengages from the locking hole 33, thereby separating the locking mechanism and anchor plate assembly from the sleeve assembly and nail core assembly. Preferably, there are multiple locking hooks 284 and locking holes 33, all evenly distributed around the circumference of the sleeve assembly to achieve a stable connection.

[0023] The sleeve assembly includes a protective sleeve 31 and a tube body 34 fixedly connected along the axial direction. The protective sleeve 31 is sleeved on the outside of the mounting base 21 to protect the movable clamping mechanism. The tube body 34 contains a rod body 42. A locking hole 33 is opened on the side wall of the tube body 34 near the end of the protective sleeve 31. The lower outer side of the tube body 34 is provided with reverse teeth to prevent the sleeve assembly from falling off the wall structure after installation.

[0024] The protective sleeve 31 is provided with a closed protective film 32 at the end away from the tube body 34 to prevent impurities from entering or being blocked inside the sleeve assembly before the nail core assembly is installed.

[0025] The lower outer surface of the rod 42 is provided with strip ribs 43 along the axial direction to enhance the friction between the rod 42 and the tube 34.

[0026] like Figure 6 As shown, a vacuum insulation panel insulation structure includes a base wall 51, a leveling layer 52, a first layer of polystyrene granules 53, a vacuum insulation panel 54, a second layer of polystyrene granules 55, a finishing mortar layer 56, and the aforementioned detachable anchor bolts, arranged sequentially. The finishing mortar layer 56 has a three-mortar, two-mesh structure. The sleeve assembly of the detachable anchor bolts passes through the joint between adjacent vacuum insulation panels 54, the first layer of polystyrene granules 53, and the leveling layer 52 sequentially from the outside to the inside, and extends into the base wall 51. The anchor plate 11 is disposed within the finishing mortar layer 56.

[0027] During construction: (1) Apply a leveling layer 52, a first layer of adhesive polystyrene particles 53 and a vacuum insulation board 54 to the base wall 51 in sequence, and fill the gaps of the vacuum insulation board 54 with adhesive polystyrene particles. (2) Then drill holes at the plate seam and install the sleeve assembly in the holes; (3) Insert the nail core assembly into the tube 34 and expand the tube 34; (4) A closed protective film 32 is provided at the opening at the end of the protective sleeve 31; (5) Apply the second layer of polystyrene granules and the first layer of plastering mortar, and then apply the first layer of mesh fabric; (6) After the anchor plate assembly breaks through the protective film 32, press it into the protective sleeve 31 until the locking mechanism engages with the locking hole 33 of the sleeve assembly; (7) Apply the second coat of finishing mortar, the second coat of mesh cloth, and the third coat of finishing mortar in sequence to complete the construction.

[0028] When performing local repairs, remove the plaster layer 56 and the second adhesive powder polystyrene particle layer 55 from the surface of the area to be repaired. Press the pressing block 23 against the base wall 51 to the second position so that the anchor plate assembly and the sleeve assembly are separated. Then the vacuum insulation board 54 can be repaired and replaced. After the replacement is completed, the anchor plate assembly can be pressed back into the protective sleeve 31. Repeat the above steps (6) and (7) to complete the repair and realize the reuse of the anchor plate assembly.

[0029] The present invention has been described above by way of example, but the present invention is not limited to the specific embodiments described above. Any modifications or variations made based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A detachable anchor bolt, characterized in that, The system includes an anchor plate assembly, a sleeve assembly, and a nail core assembly. The anchor plate assembly includes an anchor plate (11) and a movable clamping mechanism in its center. The movable clamping mechanism includes a mounting base (21), a fixing block (22), a pressing block (23), a sliding block (25), and a locking mechanism. The mounting base (21) is fixedly connected to the anchor plate (11). The fixing block (22) is fixedly installed inside the mounting base (21), and a through groove is provided inside the fixing block (22). The pressing block (23), the sliding block (25), and the locking mechanism are arranged from top to bottom in the through groove. The sleeve assembly is located below the anchor plate assembly, and the locking mechanism is detachably connected to the sleeve assembly. The nail core assembly is detachably located inside the sleeve assembly, and the upper end of the nail core assembly is inserted into the sliding block (25). When the pressing block (23) is in the first position, the sliding block (25) is axially fixed relative to the nail core assembly, and the locking mechanism is connected to the sleeve assembly. When the pressing block (23) moves towards the nail core assembly to the second position, the sliding block (25) moves axially relative to the fixed block (22) and is released from the nail core assembly, and the locking mechanism is disengaged from the sleeve assembly.

2. A detachable anchor bolt according to claim 1, characterized in that, The through groove of the fixing block (22) is formed by the clamping vertical surface (221) and the clamping conical surface (222). The clamping vertical surface (221) is parallel to the axis of the nail core assembly. The clamping conical surface (222) is connected below the clamping vertical surface (221) and its inner diameter decreases from top to bottom. The pressing block (23) is set at the clamping vertical surface (221). The pressing block (23) is inverted U-shaped and has its opening facing downward. A conical active pressing surface (231) is formed on the inner side of the lower end of the pressing block (23). The inner diameter of the active pressing surface (231) increases from top to bottom. The sliding block (25) includes a section from top to bottom. The upper part (251), middle part (253), and lower part (255) are fixedly connected and coaxially arranged. The upper part (251) is inserted into the pressing block (23). A conical passive extrusion surface (252) is connected between the upper part (251) and the middle part (253). The outer diameter of the passive extrusion surface (252) decreases from top to bottom. An extrusion ball (24) is arranged between the active extrusion surface (231) and the passive extrusion surface (252). The extrusion ball (24) is movably arranged in the through groove. During the process of the pressing block (23) moving downward to the second position, the extrusion ball (24) Simultaneously, it abuts against the active pressing surface (231) and the passive pressing surface (252), and drives the sliding block (25) to move upward; the lower part (255) is set inside the clamping cone surface (222), and the outer surface of the lower part (255) is parallel to the clamping cone surface (222). The center of the lower part (255) is provided with a clamping assembly groove (257) with an opening facing downward along the axial direction of the nail core assembly, and a clamping ball mounting groove (256) is provided radially. The nail core assembly includes a clamping pin head (41) at the upper end and a rod body (42) fixedly connected below it. The clamping pin head (41) is frustoconical and The outer diameter decreases from top to bottom. The clamping pin (41) is inserted into the clamping assembly groove (257). The rod (42) is cylindrical and inserted into the sleeve assembly. A movable clamping ball (27) is provided in the clamping ball mounting groove (256). When the pressing block (23) is in the first position, the opposite sides of the clamping ball (27) abut against the clamping pin (41) and the clamping cone surface (222) respectively. When the pressing block (23) is in the second position, the clamping ball (27) moves upward with the sliding block (25) to the clamping vertical surface (221) and does not abut against the clamping pin (41).

3. A detachable anchor bolt according to claim 2, characterized in that, The retaining ring (261) is fixedly connected to the inner side of the fixing block (22). The retaining ring (261) is located below the pressing block (23), and the extrusion ball (24) is surrounded in the cavity formed by the active extrusion surface (231), the passive extrusion surface (252) and the retaining ring (261).

4. A detachable anchor bolt according to claim 2, characterized in that, The locking mechanism includes a tension spring (281), a locking plate (282), a locking hook (284), and a limiting rod (285). The tension spring (281) is arranged radially along the through groove, and its two ends are respectively connected to the fixing block (22) and the locking plate (282). The locking plate (282) is provided with a limiting hole (283). The limiting rod (285) is arranged axially along the through groove, and the upper end of the limiting rod (285) is fixedly connected to the sliding block (25), and the lower end is inserted into the limiting hole. In the hole (283), the hook (284) is fixedly connected to the bottom of the card plate (282). The sleeve assembly is provided with a card hole (33). When the pressing block (23) is in the first position, the hook (284) is engaged in the card hole (33). When the pressing block (23) is in the second position, the limiting rod (285) moves upward to the outside of the limiting hole (283), and the card plate (282) moves radially inward along the through groove until the hook (284) is disengaged from the card hole (33).

5. A detachable anchor bolt according to claim 3, characterized in that, A spring mounting part (254) is connected between the middle part (253) and the lower part (255) of the sliding block (25). A return spring (262) is sleeved on the spring mounting part (254). The two ends of the return spring (262) abut against the retaining ring (261) and the upper end of the lower part (255) respectively. The return spring (262) is a compression spring.

6. A detachable anchor bolt according to claim 2, characterized in that, The number of the compression ball (24) and the clamping ball (27) are multiple, and they are evenly distributed around the nail core assembly.

7. A detachable anchor bolt according to claim 2, characterized in that, The sleeve assembly includes a protective sleeve (31) and a tube body (34) fixedly connected along the axial direction. The protective sleeve (31) is sleeved outside the mounting base (21), and the tube body (34) contains a rod body (42). The lower outer side of the tube body (34) is provided with reverse teeth.

8. A detachable anchor bolt according to claim 7, characterized in that, The protective sleeve (31) is provided with a closed protective film (32) on the end away from the tube body (34).

9. A detachable anchor bolt according to claim 2, characterized in that, The lower outer surface of the rod (42) is provided with strip ribs (43) along the axial direction.

10. A vacuum insulation panel thermal insulation structure, characterized in that, The assembly includes, in sequence, a base wall (51), a leveling layer (52), a first layer of polystyrene granules (53), a vacuum insulation board (54), a second layer of polystyrene granules (55), a finishing mortar layer (56), and a detachable anchor bolt as described in any one of claims 1 to 9. The sleeve assembly of the detachable anchor bolt passes through the gap between adjacent vacuum insulation boards (54), the first layer of polystyrene granules (53), and the leveling layer (52) from the outside to the inside, and extends into the base wall (51). The anchor plate (11) is set in the finishing mortar layer (56).

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