Embedded connecting structure for curtain wall installation
By designing support plates and anti-detachment embedded components, the problem of curtain wall embedded parts being prone to detachment under seismic action is solved, achieving higher installation reliability and efficiency, and improving building safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-13
AI Technical Summary
Existing curtain wall embedded parts are prone to swaying under earthquake action, posing a high risk of detachment and serious safety hazards.
The system employs a support plate and anti-loosening embedded components, including screws, elastic elements, connecting columns, connecting nuts, pressure nuts, and anti-loosening parts. Through the cooperation between the screws and the connecting holes, the anti-loosening blocks fill the gaps, enhance friction, and improve the anchoring effect.
It enhances the reliability and efficiency of curtain wall installation, reduces the risk of embedded parts detaching, and improves building safety.
Smart Images

Figure CN223991491U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of curtain wall installation technology, and more specifically, to a pre-embedded connection structure for curtain wall installation. Background Technology
[0002] Based on the different panel materials, building curtain walls are mainly divided into three categories: glass curtain walls, metal curtain walls, and stone curtain walls. In the construction process of various types of curtain walls, the connection between their load-bearing structural system and the main building structure is generally achieved through pre-embedded parts or post-installed anchors.
[0003] Curtain wall embedded parts, as components pre-installed within concealed works, are placed during the structural pouring stage. Their main function is to provide overlap during the construction of the superstructure, facilitating the installation and fixing of external engineering equipment foundations, and most embedded parts are made of metal.
[0004] In areas with frequent seismic activity, buildings inevitably experience varying degrees of swaying and deformation under earthquake loads. In conventional curtain wall embedded component installation methods, a gap generally exists between the embedded component and the mounting hole wall. This inherent defect makes the embedded component highly susceptible to swaying during earthquakes, significantly increasing the risk of it detaching from the mounting hole and posing a serious safety hazard to the building curtain wall. Therefore, there is an urgent need to propose a novel curtain wall embedded component installation structure to address the aforementioned problems with existing technologies. Utility Model Content
[0005] In view of this, this application provides a pre-embedded connection structure for curtain wall installation, which aims to improve the problem of high risk of detachment in existing pre-embedded connection structures for curtain wall installation.
[0006] This application provides a curtain wall installation pre-embedded connection structure, including a support plate and an anti-detachment pre-embedded component;
[0007] The support plate has mounting holes, the first side of the support plate is used to face the structure to be embedded, and the second side of the support plate is used to face the curtain wall;
[0008] The anti-detachment embedded component includes a screw, an elastic element, a connecting column, a connecting nut, a pressure nut, and an anti-detachment component. The screw passes through the mounting hole, the radial dimension of the connecting nut is larger than the diameter of the mounting hole, the end face of the connecting nut abuts against the second surface of the support plate, and the connecting nut has a guide hole.
[0009] The screw has an adjustment hole and an anti-disengagement groove. The adjustment hole is located on the first end face of the screw and is coaxial with the screw. The anti-disengagement groove is arranged along the normal direction of the adjustment hole and communicates with the adjustment hole. The first end portion of the connecting post passes through the adjustment hole, the middle section of the connecting post is fixedly connected to the connecting nut, and the second end portion of the connecting post is screwed to the pressure nut. The elastic element is provided in the adjustment hole, and the two ends of the elastic element are fixedly connected to the bottom wall of the adjustment hole and the first end of the connecting post, respectively.
[0010] The anti-detachment component includes an anti-detachment block, a pressure rod, and a pressure wedge. The anti-detachment block is fixedly connected to the outer surface of the connecting column. The anti-detachment block has a wedge groove. Both the wedge groove and the pressure wedge extend along the centerline of the connecting column. Along the direction from the second end to the first end of the connecting column, the width of the wedge groove and the size of the pressure wedge in the normal direction of the connecting column gradually increase. The pressure wedge is disposed in the wedge groove and is slidably connected to the sidewall of the wedge groove in the vertical direction. The anti-detachment block passes through the wedge groove.
[0011] The pressure wedge is connected to the first end of the pressure rod at one end near the second end of the connecting post. The pressure rod passes through the guide hole, and the second end of the pressure rod is located between the connecting nut and the pressure nut.
[0012] Preferably, the anti-detachment component includes a connecting block and an expansion block. One side of the connecting block is fixedly connected to the outer surface of the connecting post. The expansion block is located on the side of the connecting block away from the connecting post along the radial direction of the connecting post. The expansion block is connected to the connecting block at one end near the first end of the connecting post. Along the radial direction of the connecting post, the surface of the connecting block near the expansion block is parallel to the axis of the connecting post. The surface of the expansion block near the connecting block forms an angle with the axis of the connecting post. A wedge groove is formed between the connecting block and the expansion block.
[0013] Preferably, along the normal direction of the connecting post, the expansion block has multiple anti-detachment teeth on the side away from the connecting post.
[0014] Preferably, there are multiple anti-detachment components, and the multiple anti-detachment components are evenly distributed along the outer periphery of the connecting post;
[0015] The number of anti-detachment components is the same as the number of anti-detachment grooves, and each anti-detachment groove contains a corresponding expansion block.
[0016] Preferably, a magnetic block is fixedly embedded at one end of the expansion block near the first end of the connecting post, and the magnetic block is magnetically connected to the connecting block.
[0017] Preferably, the pressure rod has a first oil guide groove inside, the first oil guide groove is open at one end of the second end of the pressure rod, the pressure wedge has a collection groove on its top, and the pressure wedge has a second oil guide groove on the side near the expansion block. The first oil guide groove, the collection groove and the second oil guide groove are connected in sequence.
[0018] Preferably, the plurality of anti-detachment teeth are evenly arranged in the vertical direction.
[0019] Preferably, the support plate is rectangular, and mounting holes are provided at each of the four corners of the support plate.
[0020] Preferably, the mounting hole is a strip-shaped hole.
[0021] Compared with existing technologies, the curtain wall installation pre-embedded connection structure provided in this application achieves at least the following beneficial effects:
[0022] The curtain wall installation pre-embedded connection structure provided in this application includes a support plate and an anti-detachment pre-embedded component. The first side of the support plate abuts against the pre-embedded structure, and the second side of the support plate connects to the curtain wall. The support plate is fixedly connected to the pre-embedded structure via the anti-detachment pre-embedded component. After installation, a screw is inserted into the pre-embedded structure, and the end face of the connecting nut abuts against the second side of the support plate. Along the axial direction of the screw, the end face of the connecting nut limits and applies pressure to the support plate, ensuring a good abutment connection between the support plate and the surface of the pre-embedded structure. Furthermore, a portion of the anti-detachment block fills the gap between the screw and the sidewall of the connecting hole, entering the pre-embedded structure, increasing the friction between the screw and the pre-embedded structure, enhancing the anchoring effect, and improving the installation reliability of the curtain wall. In addition, the curtain wall installation pre-embedded connection structure provided in this embodiment has a simple installation process, which helps improve the installation efficiency of the curtain wall.
[0023] Of course, any product implementing this application need not specifically need to achieve all of the technical effects described above at the same time.
[0024] Other features and advantages of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description
[0025] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present application and, together with their description, serve to explain the principles of the present application.
[0026] Figure 1 The figure shown is a three-dimensional schematic diagram of the curtain wall installation pre-embedded connection structure provided in the embodiment of this application;
[0027] Figure 2 The figure shown is a side view of the curtain wall installation pre-embedded connection structure provided in the embodiment of this application;
[0028] Figure 3 The diagram shown is an exploded view of the anti-detachment pre-embedded component in an embodiment of this application.
[0029] Figure 4 The diagram shown is a schematic diagram of the connection structure in an embodiment of this application, in which the middle section and the second end section of the connecting column are respectively connected to the connecting nut and the pressure nut;
[0030] Figure 5 The diagram shown is a schematic diagram of the connection structure between the first end segment of the connecting column and the anti-detachment component in an embodiment of this application.
[0031] Figure 6 The diagram shown is a schematic representation of the expansion block in an embodiment of this application.
[0032] Figure 7 The diagram shown is a structural schematic of the pressure wedge block in an embodiment of this application.
[0033] Explanation of reference numerals in the attached figures:
[0034] 100-Support plate, 101-Mounting hole, 200-Anti-detachment embedded component, 210-Screw, 211-Adjusting hole, 212-Anti-detachment groove, 220-Elastic element, 230-Connecting column, 240-Connecting nut, 250-Pressure nut, 251-Guide hole, 260-Anti-detachment component, 261-Anti-detachment block, 2611-Wedge groove, 2612-Connecting block, 2613-Expansion block, 201-Anti-detachment tooth, 202-Magnetic block, 262-Pressure rod, 2621-First oil guide groove, 263-Pressure wedge block, 2631-Collection groove, 2632-Second oil guide groove. Detailed Implementation
[0035] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present application.
[0036] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the scope of this application and its application or use.
[0037] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.
[0038] In all the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.
[0039] Various modifications and variations can be made to this application without departing from its spirit or scope, which will be apparent to those skilled in the art. Therefore, this application is intended to cover modifications and variations falling within the scope of the corresponding claims (the claimed technical solutions) and their equivalents. It should be noted that the embodiments provided in this application can be combined with each other without contradiction.
[0040] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.
[0041] Figure 1 The figure shown is a three-dimensional schematic diagram of the curtain wall installation embedded connection structure provided in the embodiment of this application. Figure 2 The figure shown is a side view of the curtain wall installation pre-embedded connection structure provided in the embodiment of this application. Figure 3 The diagram shown is an exploded view of the anti-detachment pre-embedded component in an embodiment of this application. Figure 4 The diagram shown is a schematic representation of the connection structure in an embodiment of this application, where the middle section and the second end section of the connecting column are connected to the connecting nut and the pressure nut, respectively. Figure 5 The diagram shown is a schematic diagram of the connection structure between the first end segment of the connecting column and the anti-detachment component in an embodiment of this application.
[0042] Please refer to Figures 1 to 5 This application provides a curtain wall installation pre-embedded connection structure, including a support plate 100 and an anti-detachment pre-embedded component 200;
[0043] The support plate 100 has mounting holes 101. The first side of the support plate 100 is used to face the embedded structure, and the second side of the support plate 100 is used to face the curtain wall.
[0044] The anti-detachment pre-embedded component 200 includes a screw 210, an elastic element 220, a connecting post 230, a connecting nut 240, a pressure nut 250, and an anti-detachment component 260. The screw 210 passes through the mounting hole 101. The radial dimension of the connecting nut 240 is larger than the diameter of the mounting hole 101. The end face of the connecting nut 240 abuts against the second surface of the support plate 100. The connecting nut 240 has a guide hole 251.
[0045] The screw 210 has an adjustment hole 211 and an anti-disengagement groove 212. The adjustment hole 211 is located at the first end of the screw 210 and is coaxial with the screw 210. The anti-disengagement groove 212 is set along the normal direction of the adjustment hole 211 and communicates with the adjustment hole 211. The first end of the connecting post 230 is partially inserted through the adjustment hole 211. The middle section of the connecting post 230 is fixedly connected to the connecting nut 240. The second end of the connecting post 230 is partially screwed to the pressure nut 250. The elastic element 220 is provided in the adjustment hole 211. The two ends of the elastic element 220 are fixedly connected to the bottom wall of the adjustment hole 211 and the first end of the connecting post 230, respectively.
[0046] The anti-detachment component 260 includes an anti-detachment block 261, a pressure rod 262, and a pressure wedge 263. The anti-detachment block 261 is fixedly connected to the outer surface of the connecting post 230. The anti-detachment block 261 is provided with a wedge groove 2611. Both the wedge groove 2611 and the pressure wedge 263 extend along the centerline of the connecting post 230. Along the direction from the second end to the first end of the connecting post 230, the width of the wedge groove 2611 and the dimension of the pressure wedge 263 in the normal direction of the connecting post 230 gradually increase. The pressure wedge 263 is disposed in the wedge groove 2611 and is slidably connected to the wedge groove 2611 along the extension direction. The anti-detachment block 261 passes through the wedge groove 2611.
[0047] The pressure wedge 263 is connected to the first end of the pressure rod 262 at one end near the second end of the connecting post 230. The pressure rod 262 passes through the guide hole 251, and the second end of the pressure rod 262 is located between the connecting nut 240 and the pressure nut 250.
[0048] It should be understood that in the curtain wall installation pre-embedded connection structure provided in this embodiment, the end of the screw 210 can be a pointed structure or a planar structure. This application embodiment does not limit the specific form of the end of the screw 210, and also covers other possible structural forms.
[0049] During installation, the curtain wall installation pre-embedded connection structure provided in this embodiment has a connection hole adapted to the screw 210. The operation is to make the first side of the support plate 100 abut against the pre-embedded structure, and make the mounting hole 101 opposite to the connection hole. The operator can hold the connecting nut 240 and screw the end of the screw 210 into the connection hole through the mounting hole 101 until the end face of the connecting nut 240 abuts against the second side of the support plate 100, thus completing the initial installation and fixing. Then, tighten the pressure nut 250. While rotating, the pressure nut 250 moves towards the connecting nut 240 until its end face abuts against the second end of the pressure rod 262. Continue rotating the pressure nut 250, which continues to move closer to the connecting nut 240 and push the second end of the pressure rod 262. The first end of the pressure rod 262 will cause the end of the pressure wedge 263 to move along the extension direction of the wedge groove 2611. Simultaneously, the pressure wedge 263 will slide along the side wall of the wedge groove 2611 and press against it. The anti-disengagement block 261 will be stressed and move, causing the connecting post 23 to move. The screw 210 moves along the center line of the connecting column 230 toward the first end of the connecting column 230. The distance between the end face of the first end of the connecting column 230 and the bottom wall of the adjusting hole 211 gradually decreases. The elastic element 220 is compressed and deformed. At the same time, under the pressure of the pressure wedge 263, the anti-detachment block 261 gradually tilts and extends out of the anti-detachment groove 212 along the normal direction of the connecting column 230 away from the connecting column 230 until it is squeezed from the anti-detachment groove 212 into the gap between the screw 210 and the side wall of the connecting hole. Part of the anti-detachment block 261 enters the pre-embedded structure and fills the gap between the screw 210 and the side wall of the connecting hole.
[0050] The curtain wall installation pre-embedded connection structure provided in this embodiment includes a support plate 100 and an anti-detachment pre-embedded component 200. The first surface of the support plate 100 is used to abut against the pre-embedded structure, and the second surface of the support plate 100 is used to connect to the curtain wall. The support plate 100 is fixedly connected to the pre-embedded structure through the anti-detachment pre-embedded component 200. After installation, the screw 210 is inserted into the pre-embedded structure, and the end face of the connecting nut 240 abuts against the second surface of the support plate 100. In the axial direction of the screw 210, the end face of the connecting nut 240 limits and presses against the support plate 100, which can maintain a good abutment connection between the support plate 100 and the surface of the pre-embedded structure. In addition, part of the solid of the anti-detachment block 261 fills the gap between the screw 210 and the side wall of the connecting hole and enters the pre-embedded structure, which increases the friction between the screw 210 and the pre-embedded structure, enhances the anchoring effect, and improves the installation reliability of the curtain wall. Furthermore, the curtain wall installation pre-embedded connection structure provided in this embodiment has a simple installation process, which is conducive to improving the installation efficiency of the curtain wall.
[0051] See also Figure 5In some embodiments, the anti-detachment component 260 includes a connecting block 2612 and an expansion block 2613. One side of the connecting block 2612 is fixedly connected to the outer surface of the connecting post 230. Along the normal of the connecting post 230, the expansion block 2613 is located on the side of the connecting block 2612 that is radially away from the connecting post 230. The expansion block 2613 and the connecting block 2612 are connected at one end near the first end of the connecting post 230. The side surface of the connecting block 2612 near the expansion block 2613 is parallel to the center line of the connecting post 230. The side surface of the expansion block 2613 near the connecting block 2612 forms an angle with the axis of the connecting post 230. A wedge groove 2611 is formed between the connecting block 2612 and the expansion block 2613.
[0052] In specific implementation, the side surface of the expansion block 2613 near the connecting block 2612 forms an acute angle α with the axis of the connecting column 230. Optionally, α ≤ 45°. In this embodiment, the size of α is not limited, and its size should be selected and designed according to actual usage requirements.
[0053] In the installation process of the curtain wall pre-embedded connection structure provided in this embodiment, when the pressure wedge 263 slides along the side wall of the wedge groove 2611 and pushes the anti-detachment block 261, one side of the pressure wedge 263 slides along the side of the connecting block 2612. Because the surface of the connecting block 2612 near the expansion block 2613 is parallel to the center line of the connecting column 230, the pressure wedge 263 does not exert any normal force on the connecting block 2612 except for sliding friction. The expansion block 2613 is pressed, and the side surface of the expansion block 2613 near the connecting block 2612 forms an angle with the axis of the connecting column 230. Pushed by the pressure rod 262, the pressure wedge 263 applies force to the expansion block 2613. Part of this force is the normal force along the center line of the connecting column 230 outward. This force can push the expansion block 2613 outward and extend it, so that the expansion block 2613 can enter the pre-embedded structure from the anti-dislodgement groove 212. Tightening the pressure nut 250 is more effortless and helps to improve installation efficiency.
[0054] See also Figure 5 In some embodiments, along the normal direction of the connecting column 230, the expansion block 2613 is provided with multiple anti-detachment teeth 201 on the side away from the connecting column 230. The multiple anti-detachment teeth 201 increase the friction coefficient of the expansion block 2613. Therefore, in this embodiment, during the installation process, when the expansion block 2613 extends out of the anti-detachment groove 212 under the force of the pressure wedge 263, the anti-detachment teeth 201 can further increase the friction between the expansion block 2613 and the concrete structure, further enhancing the anchoring effect and improving the installation reliability of the curtain wall.
[0055] See also Figure 2In some embodiments, there are multiple anti-detachment components 260, which are evenly distributed along the outer periphery of the connecting post 230. The number of anti-detachment components 260 is the same as the number of anti-detachment grooves 212, and a corresponding expansion block 2613 is inserted into each anti-detachment groove 212. In this way, the friction between the screw 210 and the embedded structure can be further increased, and the installation reliability can be further improved.
[0056] Figure 6 The diagram shown is a structural schematic of the expansion block 2613 in an embodiment of this application. See also... Figure 5 and Figure 6 In some embodiments, a magnetic block 202 is fixedly embedded at one end of the anti-detachment wedge block near the first end of the connecting post 230, and the magnetic block 202 is magnetically connected to the connecting block 2612.
[0057] In this embodiment, the connecting block 2612 and the expansion block 2613 are magnetically connected by the magnetic block 202. The connection between the connecting block 2612 and the expansion block 2613 is a detachable connection with a simple structure. Thus, the pre-embedded connection structure for curtain wall installation can be reused after installation and disassembly, improving the utilization rate.
[0058] When the pressure wedge 263 moves along the center line of the connecting post 230 toward the first end of the connecting post 230, if the friction between the pressure wedge 263 and the side wall of the wedge groove 2611 is large, the pressure wedge 263 may get stuck in the wedge groove 2611, causing damage to the anti-detachment pre-embedded component.
[0059] To avoid the above problems, Figure 7 The diagram shown is a structural schematic of the pressure wedge 263 in an embodiment of this application. See also... Figure 5 and Figure 7 In some embodiments, the pressure rod 262 is provided with a first oil guide groove 2621 inside. The first oil guide groove 2621 is open at one end of the second end of the pressure rod 262. The pressure wedge 263 is provided with a collection groove 2631 on the top. The pressure wedge 263 is provided with a second oil guide groove 2632 on the side near the expansion block 2613. The first oil guide groove 2621, the collection groove 2631 and the second oil guide groove 2632 are connected in sequence.
[0060] In this embodiment, when using the curtain wall installation pre-embedded connection structure, the pressure nut 250 is unscrewed from the second end of the connecting column 230, exposing the second end of the pressure rod 262. Lubricating oil is added to the first oil guide groove 2621 from the second end of the pressure rod 262. The lubricating oil flows into the collection groove 2631 along the first oil guide groove 2621. The lubricating oil in the collection groove 2631 can gradually flow out along the second oil guide groove 2632, so that the contact surface between the pressure wedge 263 and the expansion block 2613 is soaked with lubricating oil, reducing the friction between the pressure wedge 263 and the expansion block 2613, reducing the scrap rate of the anti-detachment pre-embedded component, and improving the quality of the curtain wall installation pre-embedded connection structure.
[0061] See Figure 6 and Figure 7 In some embodiments, multiple anti-detachment teeth 201 are evenly arranged in the vertical direction.
[0062] See Figure 1 In some embodiments, the support plate 100 is rectangular, and mounting holes 101 are provided at each of the four corners of the support plate 100. This improves the installation reliability of the support plate 100, and thus improves the installation reliability of the curtain wall.
[0063] See Figure 1 In some embodiments, the mounting hole 101 is a strip-shaped hole. This allows the anti-loosening bolt to be moved and adjusted along the extension direction of the strip-shaped hole, improving the adaptability and flexibility of the pre-embedded connection structure for curtain wall installation.
[0064] While specific embodiments of this application have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of this application. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of this application. The scope of this application is defined by the appended claims.
Claims
1. A curtain wall installation embedded connection structure, characterized in that, The support plate and the anti-falling embedded component are included; The support plate is provided with a mounting hole, a first surface of the support plate is used to be opposite to a structure to be embedded, and a second surface of the support plate is used to be opposite to a curtain wall; The anti-falling embedded component includes a screw rod, an elastic element, a connecting column, a connecting nut, a pressing nut and an anti-falling element, the screw rod is arranged in the mounting hole, the radial dimension of the connecting nut is greater than the hole diameter dimension of the mounting hole, the end surface of the connecting nut is abutted with the second surface of the support plate, and the connecting nut is provided with a guide hole; The screw rod is provided with an adjusting hole and an anti-falling groove, the adjusting hole is arranged at the first end surface of the screw rod and coaxial with the screw rod, the anti-falling groove is arranged along the normal direction of the adjusting hole and communicates with the adjusting hole; the first end segment of the connecting column is arranged in the adjusting hole, the middle segment of the connecting column is fixedly connected with the connecting nut, and the second end segment of the connecting column is screwed with the pressing nut; the elastic element is arranged in the adjusting hole, and the two ends of the elastic element are fixedly connected with the hole bottom wall of the adjusting hole and the first end of the connecting column respectively; The anti-falling element includes an anti-falling block, a pressing rod and a pressing wedge, the anti-falling block is fixedly connected with the outer surface of the connecting column, the anti-falling block is provided with a wedge groove, the wedge groove and the pressing wedge are extended along the center line direction of the connecting column, along the direction from the second end to the first end of the connecting column, the width of the wedge groove and the size of the pressing wedge in the normal direction of the connecting column gradually increase; the pressing wedge is arranged in the wedge groove, the pressing wedge is slidingly connected with the side wall of the wedge groove in the vertical direction; and the anti-falling block is arranged in the wedge groove; The pressing wedge is connected with the first end of the pressing rod at one end close to the second end of the connecting column, the pressing rod is arranged in the guide hole, and the second end of the pressing rod is located between the connecting nut and the pressing nut.
2. The wall installation pre-burying connection structure of claim 1, wherein, The anti-falling element includes a connecting block and an expanding block, one side of the connecting block is fixedly connected with the outer surface of the connecting column, the expanding block is located on the side of the connecting block away from the connecting column in the radial direction of the connecting column, the expanding block is connected with the connecting block at one end close to the first end of the connecting column, and along the radial direction of the connecting column, the side surface of the connecting block close to the expanding block is parallel to the axis of the connecting column, and the side surface of the expanding block close to the connecting block forms an angle with the axis of the connecting column, and the wedge groove is formed between the connecting block and the expanding block.
3. The wall installation pre-burying connecting structure of claim 2, wherein, Along the normal direction of the connecting column, a plurality of anti-falling teeth are arranged on the side of the expanding block away from the connecting column.
4. The wall installation pre-burying connecting structure of claim 2, wherein, The number of the anti-falling elements is multiple, and the multiple anti-falling elements are uniformly distributed along the outer periphery of the connecting column; The number of the anti-falling elements is the same as the number of the anti-falling grooves, and one corresponding expanding block is arranged in each anti-falling groove.
5. The wall installation pre-burying connection structure of claim 2, wherein, The expanding block is fixedly embedded with a magnetic block at one end close to the first end of the connecting column, and the magnetic block is magnetically connected with the connecting block.
6. The wall installation pre-burying connection structure of claim 2, wherein, The pressure applying rod is internally provided with a first oil guide groove, one end of the first oil guide groove is an open structure, a collecting groove is formed in the top of the pressure applying wedge, a second oil guide groove is formed in the side of the pressure applying wedge close to the expanding block, and the first oil guide groove, the collecting groove and the second oil guide groove are sequentially communicated.
7. The wall installation pre-burying connecting structure of claim 3, wherein, A plurality of the anti-off teeth are uniformly arranged in the vertical direction.
8. The wall installation pre-embedded connection structure of claim 1, wherein, The support plate is rectangular, and mounting holes are formed in four corner regions of the support plate.
9. The wall installation pre-burying connection structure of claim 8, wherein, The mounting holes are strip-shaped holes.