Insulation board fixing connection device and insulation board installation method

Abstract

The present invention provides a thermal insulation board fixing and connecting device, comprising an embedded rod, an expansion tube, an expansion rod, a tapered member, and a pressing plate. The upper end of the embedded rod is connected to the lower end of the expansion tube, and the connection between the embedded rod and the expansion tube is provided with an annular buckle. The expansion rod is a hollow tube, and the expansion rod is fixed in the inner cavity of the expansion tube. The upper end of the expansion rod is exposed at the end of the expansion tube, and the inner surface of the upper end of the expansion rod has an expansion rod internal thread. The tapered member includes a vertebral body and a vertebral rod fixed to the bottom of the vertebral body, and the vertebral rod has an external vertebral rod thread that matches the expansion rod internal thread. The pressing plate includes a pressing cap and a screw coaxial with the pressing cap. The screw is fixed to the lower end surface of the pressing cap, and the screw is provided with an external screw thread that matches the internal thread of the main tube. The thermal insulation board fixing and connecting device is used for the installation and connection of the thermal insulation board, so that the positioning of the thermal insulation board during installation is more accurate, not easy to damage, and easy to disassemble later, which is beneficial for maintenance.

Description

Technical Field

[0001] The invention relates to a heat preservation board fixing and connecting device and a heat preservation board installation method. Background Art

[0002] During the construction of housing construction projects, insulation boards are usually used as energy-saving and environmentally friendly components to be hung on the exterior surface of the building. The existing process is to use expansion nails on the building facade to firmly connect the insulation boards. This process has two problems. First, the position of the insulation board is not easy to align after the expansion nails are inserted, and the insulation board is easily damaged when the screw rod of the expansion nail is bent and embedded in the insulation board. Second, this connection method has reliability issues, the connection is easy to loosen, and maintenance is also difficult. These technical problems need to be solved. Summary of the Invention

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the present invention is to provide an insulation board fixing and connecting device, which is convenient for the installation and positioning of the insulation board, and is extremely convenient for installation and disassembly, and is convenient for later maintenance.

[0004] The present invention is completed by adopting the following technical solutions: a thermal insulation board fixing and connecting device, comprising a buried rod, an expansion tube, an expansion rod, a conical piece and a pressing piece, the upper end of the buried rod is connected to the lower end of the expansion tube, the connection between the buried rod and the expansion tube is provided with an annular buckle, the expansion rod is a hollow tube, the expansion rod is fixed in the inner cavity of the expansion tube, the upper end of the expansion rod is exposed at the end of the expansion tube, the inner surface of the upper end of the expansion rod has an expansion rod internal thread, the conical piece comprises a vertebral body and a vertebral rod fixed at the bottom of the vertebral body, the vertebral rod has a vertebral rod external thread adapted to the expansion rod internal thread, the pressing piece comprises a pressing cap and a screw coaxial with the pressing cap, the screw is fixed to the lower end face of the pressing cap, and the outer surface of the screw is provided with a screw external thread adapted to the expansion tube internal thread.

[0005] In the present invention, before the insulation board is installed, the embedded rod and the expansion tube are pre-buried in the wall of the building. The teeth on the expansion strip can be used to firmly connect to the wall. The expansion tube is opened on the outer facade of the wall, and the expansion rod is stuck in the expansion tube and locked. The connection is firm and not loose. The threaded part on the upper end of the expansion rod is exposed to the wall. After the vertebral rod of the cone is screwed into the expansion rod, it is aligned and pressed into the insulation board. The insulation board is pierced with the cone, and then the cone is removed. A hole is punched at the piercing position of the insulation board to accurately position the installation hole. The insulation board is then aligned according to the position of its hole and inserted into the expansion rod. After the installation is completed, the pressing piece is screwed into the upper end of the expansion rod and pressed on the insulation board to achieve a reliable fixed connection. The insulation board is accurately positioned, not easily damaged, and easy to disassemble later, which is beneficial for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] The present invention has the following accompanying drawings:

[0007] Figure 1A schematic diagram of the exploded cross-sectional structure of the insulation board fixing and connecting device provided in the first embodiment of the present invention;

[0008] Figure 2 for Figure 1 A schematic cross-sectional view of the fixing and connecting device for the insulation board;

[0009] Figure 3 This is a schematic diagram of the cross-sectional structure of the insulation board fixing and connecting device provided by the present invention when pierced;

[0010] Figure 4 for Figure 3 A schematic structural diagram of a tapered member of a thermal insulation board fixing and connecting device;

[0011] Figure 5 A schematic cross-sectional view of a fixing and connecting device for a thermal insulation board according to a second embodiment of the present invention;

[0012] Figure 6 for Figure 1 Schematic diagram of the cross-sectional exploded structure of the insulation board fixing connection device. DETAILED DESCRIPTION

[0013] The accompanying drawings illustrate the technical solutions and embodiments of the present invention. The following further describes the relevant details and working principles of the embodiments in conjunction with the accompanying drawings.

[0014] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, a first embodiment of the present invention provides an insulation board fixing and connecting device, comprising an embedded rod 1, an expansion tube 4, an expansion rod 8, a conical member and a pressing sheet 14, the upper end of the embedded rod 1 is connected to the lower end of the expansion tube 4, the connection between the embedded rod 1 and the expansion tube 4 is provided with an annular clip 7, the embedded tube 1, the expansion tube 4 and the annular clip 7 are integrally formed, a plurality of expansion strips 2 are circumferentially distributed on the outer wall of the embedded rod 1, each expansion strip 2 has a plurality of teeth 3, the diameter of the upper end of the embedded rod 1 gradually increases toward the lower end of the embedded rod, the embedded rod 1 and the expansion tube 4 are pre-buried in the building wall, the teeth 3 and the annular clip 7 are clamped in the building wall, so that the building wall connection device can be firmly fixed.

[0015] The side wall of the expansion tube 4 has a plurality of vertical outer grooves 6 evenly distributed, and the position of the vertical outer grooves 6 corresponds to the position of the expansion strip 2. The vertical outer grooves 6 have inverted teeth 5, and the upper ends of the inverted teeth 5 are fixed to the upper ends of the vertical outer grooves 6, and the lower ends of the inverted teeth 5 extend to the inner cavity of the expansion tube 4. The expansion rod 8 is a hollow tube, and the expansion rod 8 has a plurality of vertical inner grooves 9. The vertical inner grooves 9 of the expansion rod correspond to the positions of the vertical outer grooves 6, and the expansion rod 8 is knocked into the expansion tube 4 with a hammer. The bottom of the expansion rod 8 A chamfer 11 is provided to facilitate the insertion of the expansion rod 8 into the expansion tube 4. When the lower end of the expansion rod 8 is inserted into the expansion tube, it exceeds the lower end of the inverted tooth 5. The lower end of the inverted tooth 5 enters and is stuck in the vertical inner groove 8. The expansion rod is stuck in the inner wall of the expansion tube to achieve vertical positioning. The top of the expansion rod 8 is flat, and the top surface of the upper end of the expansion rod is evenly distributed with three or four vertical holes 12. A three-jaw wrench or a four-jaw wrench is used to insert the vertical holes and rotate the expansion rod to achieve circumferential positioning. The expansion rod 8 is tightly fixed to the inner cavity of the expansion tube 4.

[0016] The upper end of the expansion rod 8 is exposed at the end of the expansion tube 4, and the inner surface of the upper end of the expansion rod 8 has an expansion rod internal thread 10, and the tapered part includes a vertebral body 21 and a vertebral rod 23 fixed at the bottom of the vertebral body. The tip of the vertebral body 22 faces outward, and the vertebral rod 23 is coaxially arranged with the vertebral body 22. The vertebral rod 23 has a vertebral rod external thread 24 that matches the expansion rod internal thread. The vertebral surface of the vertebral body is equidistantly distributed with three or four vertical holes 22. A three-jaw wrench or a four-jaw wrench is inserted into the vertical hole 22 and the tapered part is rotated to thread the vertebral rod 23 into the expansion rod 8. The diameter of the vertebral rod 8 is smaller than the bottom of the vertebral body 22, and the bottom of the vertebral body is against the top of the expansion rod. The cone is used to pierce the insulation board, and a hole is punched at the piercing position of the insulation board to accurately position the installation hole. The insulation board is aligned according to the position of its hole and the expansion rod is inserted, and then the cone is removed.

[0017] The pressing piece 14 includes a pressing cap 15 and a screw 13 coaxial with the pressing cap. A cross or straight groove 16 is provided in the middle position of the upper surface of the pressing cap for rotating and tightening the pressing piece. The screw 13 is fixed to the lower end face of the pressing cap. The outer surface of the screw 13 is provided with an outer screw thread 18 that is adapted to the inner thread of the expansion rod. An annular step 20 is provided at the connection between the pressing cap 15 and the screw. The outer diameter of the annular step 20 is the same as the outer diameter of the expansion rod 8. The pressing piece is rotated to screw the screw 13 into the inner cavity of the expansion rod 8. The annular step 20 fits with the top surface of the expansion rod. An annular sealing film 25 is provided between the annular step 20 and the top surface of the expansion rod. The annular sealing film 25 is convenient for fixing and preventing rust. A plurality of fixing nails 19 are evenly distributed on the lower surface of the pressing cap. The screw of the pressing piece is screwed into the inner cavity of the expansion rod, and the fixing nails 19 are pressed into the insulation board to make the connection more firmly. The upper surface of the pressing cap has a plurality of decorative strips 17 for beautiful decoration.

[0018] Before the insulation board is installed, its embedded rod 1 and expansion tube 4 are pre-buried in the wall of the building. The teeth 3 and the annular buckle 7 on the expansion strip 2 can be used to firmly connect to the wall. The expansion tube 4 is opened on the outer facade of the wall, and the expansion rod 8 is placed in the expansion tube 4 and locked. The connection is firm and not loose. At this time, the upper end of the expansion rod 8 is exposed to the wall. After screwing the cone 22 into the expansion rod 8, align and press it into the insulation board. Use the cone 22 to pierce the insulation board, then remove the cone, drill a hole at the piercing position of the insulation board, accurately position the installation hole, and then align the insulation board according to the position of its upper hole and insert it into the outer wall of the upper end of the expansion rod 8. After the installation is completed, screw the pressing piece 14 into the upper end of the expansion rod and press it on the insulation board to achieve a reliable fixed connection. The insulation board is accurately positioned, not easy to damage, and easy to disassemble later, which is conducive to maintenance.

[0019] Reference Figure 5 、 Figure 6 As shown, a second embodiment of the present invention provides a thermal insulation board fixing and connecting device, which is basically the same as the first embodiment, except that: the lower surface of the screw of the pressing sheet is provided with an upper groove 26, the inner wall of the upper groove 26 has a screw internal thread 31, the upper surface of the embedded rod 1 has a lower groove 27 corresponding to the position of the upper groove, the diameters of the upper groove 26 and the lower groove 27 are the same, and the diameters of the upper groove 26 and the lower groove 27 are smaller than the inner diameter of the expansion rod 8, A connecting rod 28 is connected between the upper groove 26 and the lower groove 27. The upper end of the connecting rod 28 has an external connecting rod thread 29 that matches the internal thread of the screw. A plurality of arc-shaped protrusions 30 are evenly distributed circumferentially on the side surface of the lower end of the connecting rod 28. After the insulation board is pierced and punched by the cone, the cone is screwed out of the expansion rod 8, and the lower end of the connecting rod 28 is knocked into the lower groove 27 with a hammer. The arc-shaped protrusion 30 at the lower end is stuck on the inner wall of the lower groove to achieve a tight connection between the connecting rod and the buried rod. The insulation board is aligned and inserted into the expansion rod, and the pressing sheet 14 is screwed into the expansion rod 8. The external screw thread 13 of the pressing sheet is threadedly connected with the internal thread 10 of the expansion rod, and the internal screw thread 31 is threadedly connected with the external thread 29 of the connecting rod at the same time. The pressing sheet 14 and the buried rod 1 are connected by the connecting rod to achieve a more reliable fixed connection, forming a double fixed connection with the connection between the expansion rod 8 and the pressing sheet 14.

[0020] The above description is only a specific embodiment of the present invention, but is not limited to the embodiment. The various technical features can be recombined into more implementation methods. Any equivalent modifications and prior art additions made in accordance with this application without departing from the concept of the present invention are deemed to be within the technical scope of the present invention.

Claims

1. A thermal insulation board fixing and connecting device, characterized by: The cam is a conical member formed of a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members. The cam is a conical member formed of a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members. The cam is a conical member formed of a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members. The cam is a conical member formed of a plurality of cylindrical members, each of which is connected to a plurality of cylindrical members. The diameter of the buried rod gradually increases from the upper end to the lower end, and a plurality of expansion strips are circumferentially distributed on the outer side wall of the buried rod, each expansion strip having a plurality of teeth, and the position of the expansion strip corresponds to the position of the vertical outer groove; The lower surface of the screw rod of the pressing sheet is provided with an upper groove, the inner wall of the upper groove has an internal screw thread, the upper surface of the embedded rod has a lower groove corresponding to the position of the upper groove, the diameters of the upper groove and the lower groove are the same, the diameters of the upper groove and the lower groove are smaller than the diameter of the inner cavity of the expansion rod, a connecting rod is connected between the upper groove and the lower groove, the upper end of the connecting rod has an external connecting rod thread matching the internal screw thread, and a plurality of arc-shaped protrusions are evenly distributed circumferentially on the side surface of the lower end of the connecting rod; An annular step is provided at the connection between the pressing cap and the screw rod. The outer diameter of the annular step is the same as the outer diameter of the expansion rod. The screw rod of the pressing sheet is screwed into the expansion rod. The annular step is against the top surface of the expansion rod. An annular sealing film is provided between the annular step and the top surface of the expansion rod.

2. The insulation board fixing and connecting device according to claim 1, characterized in that: The side wall of the expansion tube has a plurality of evenly distributed vertical outer grooves, and the vertical outer grooves have inverted teeth. The upper ends of the inverted teeth are fixed to the upper ends of the vertical outer grooves, and the lower ends of the inverted teeth extend into the inner cavity of the expansion tube. The expansion rod has a plurality of vertical inner grooves, and the vertical inner grooves are arranged corresponding to the vertical outer grooves. The expansion rod is inserted into the inner wall of the expansion tube, and the lower ends of the inverted teeth enter and are inserted into the vertical inner grooves.

3. The insulation board fixing and connecting device according to claim 1 or 2, characterized in that: The vertebral surface of the cone and the top end surface of the upper end of the expansion rod are both equidistantly provided with three or four vertical holes.

4. The insulation board fixing and connecting device according to claim 3, wherein the bottom of the expansion rod is provided with a chamfer.

5. The thermal insulation board fixing and connecting device according to claim 1, 2 or 4, characterized in that: A cross or straight groove is provided in the middle of the upper surface of the pressure cap. The upper surface of the pressure cap has a plurality of decorative strips, and the lower surface of the pressure cap is evenly distributed with a plurality of fixing nails.

6. A method for installing an insulation board using the insulation board fixing and connecting device according to claim 1, characterized in that: The embedded rod and expansion tube are pre-embedded in the building wall, the expansion rod is inserted into the expansion tube, the upper end of the expansion rod is exposed at the end of the expansion tube, and the upper end of the expansion tube is exposed at the building wall. The vertebral rod of the conical piece is threaded into the expansion rod, with the tip of the cone facing outward, the insulation board is aligned with the building wall and pressed in, the insulation board is pierced with the cone, a hole is punched at the piercing position of the insulation board, the conical piece is unscrewed out of the expansion rod, the position of the punched insulation board corresponds to and is inserted into the upper end of the expansion rod, the screw of the pressing sheet is screwed into the expansion rod, and the lower surface of the pressing cap is mortgaged on the insulation board to achieve a fixed connection between the wall and the insulation board.

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