A thermal insulation structure for joints in the exterior envelope of energy-efficient buildings

Abstract

This utility model discloses a thermal insulation structure for the splicing joints of energy-saving building envelopes, belonging to the field of building materials technology. The structure includes a thermal insulation unit consisting of an outer leaf plate, an extruded polystyrene board, and an inner leaf plate fixedly connected. The unit has a trapezoidal groove at the top and a trapezoidal protrusion at the bottom. A long protrusion and a positioning pin are fixedly connected to one side, while a long groove and a positioning hole are opened on the other side. The positioning pin is inserted into the positioning hole, and the long protrusion is engaged with the long groove. A sealing ring is fitted around the positioning pin. An expansion rubber strip and a rubber groove are provided on the inner leaf plate, with the expansion rubber strip embedded in the rubber groove. A barbed anchor hook is also fixedly connected to the inner leaf plate. This utility model, through the above-mentioned composite connection and double sealing structure, solves the problems of complex installation, unstable connection, and easy thermal bridging at the splicing joints, and has the beneficial effects of rapid installation, stable connection, reliable sealing, and excellent thermal insulation performance.

Description

Technical Field

[0001] This application relates to the field of building materials technology, and in particular to a thermal insulation structure for splicing joints in the exterior envelope of energy-efficient buildings. Background Technology

[0002] Energy-efficient buildings are a development trend in the modern construction industry, and the thermal insulation performance of the external envelope (such as exterior walls) is crucial. Currently, on-site assembly of prefabricated and modular insulation panels is a common construction method.

[0003] However, the joints between these prefabricated insulation panels are often the weakest points in the overall insulation performance of the external envelope, and also the most difficult part of construction and installation.

[0004] Existing joint treatment methods, such as simple mortar filling or single mortise and tenon structures, have significant shortcomings. On the one hand, single connection structures are difficult to align precisely during rapid on-site installation, and the stability after connection is poor, making them susceptible to displacement due to environmental influences. On the other hand, and more seriously, this connection method cannot guarantee long-term airtightness and watertightness at the joints. Gaps at the joints are prone to forming thermal bridges, leading to significant heat loss, which contradicts the fundamental requirements of energy-efficient buildings.

[0005] Therefore, this utility model proposes a thermal insulation structure for the splicing joints of energy-saving building envelopes to address the shortcomings of existing technologies. Utility Model Content

[0006] In view of the problems existing in the joint thermal insulation structure of energy-saving building envelope, such as insufficient joint connection stability, difficulty in installation and alignment, and the easy formation of thermal bridges at the joint leading to a decrease in thermal insulation performance, this utility model aims to provide a structurally improved joint thermal insulation structure for energy-saving building envelope that can effectively solve the above problems.

[0007] This utility model provides a thermal insulation structure for the joints of energy-saving building envelopes, comprising: an outer leaf plate, an extruded polystyrene board, and an inner leaf plate, wherein the outer leaf plate, the extruded polystyrene board, and the inner leaf plate are fixedly connected to form a thermal insulation structural unit. The top of the heat insulation structural unit is provided with a trapezoidal groove, and the bottom of the heat insulation structural unit is fixedly connected with a trapezoidal protrusion. The heat insulation structure unit also includes a long strip protrusion and a positioning pin fixedly connected to one side, and a long strip groove and a positioning hole opened on the other side.

[0008] The positioning pin is inserted into the positioning hole, and the elongated protrusion is engaged with the elongated groove.

[0009] Preferably, a sealing ring is fitted around the outer periphery of the positioning pin.

[0010] Preferably, an expansion rubber strip is fixedly connected to the top and one side of the inner blade plate, and a rubber groove is formed on the bottom and the other side of the inner blade plate.

[0011] Preferably, a barbed anchor hook is fixedly connected to the side of the inner leaf plate opposite to the extruded polystyrene board.

[0012] Preferably, the positioning pin is fixedly connected to the outer leaf plate and the inner leaf plate, and the positioning hole is formed on the outer leaf plate and the inner leaf plate.

[0013] Preferably, the positioning pin and the elongated protrusion are located on the same side of the heat insulation structural unit, and the positioning hole and the elongated groove are located on the same side of the heat insulation structural unit.

[0014] Preferably, the elongated protrusion is fixedly connected to one side of the outer leaf plate, the extruded polystyrene board, and the inner leaf plate, and the elongated groove is formed on the other side of the outer leaf plate, the extruded polystyrene board, and the inner leaf plate.

[0015] Preferably, the trapezoidal groove is formed on the top of the outer leaf plate, the extruded polystyrene board and the inner leaf plate, and the trapezoidal protrusion is fixedly connected to the bottom of the outer leaf plate, the extruded polystyrene board and the inner leaf plate.

[0016] In summary, this application includes at least one of the following beneficial technical effects: 1. This utility model solves the problems of complex installation, inaccurate positioning, and poor connection stability of existing splicing structures by setting a composite connection structure in which positioning pins and positioning holes are inserted and matched, and long strip protrusions and long strip grooves are engaged and matched. It achieves the effects of rapid assembly, accurate positioning, and stable connection.

[0017] 2. This utility model, through the sealing ring set on the positioning pin and the expansion rubber strip and rubber groove set at the joint of the inner leaf plate, forms a dual sealing structure that combines "point sealing" and "surface sealing", which solves the problems of easy air and water leakage, unsustainable sealing and easy thermal bridging at the joint of the existing structure, and achieves the effects of high sealing reliability, long-term elimination of thermal bridging and improved overall heat insulation performance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a thermal break structure for splicing joints in the exterior envelope of an energy-saving building, as described in this application. Figure 2 This is a schematic diagram of a positioning hole applied to the thermal insulation structure of the splice joint of an energy-saving building envelope, as described in this application. Figure 3 This is a schematic diagram of a rubber groove applied to the thermal insulation structure of the splice joint of an energy-saving building envelope, as described in this application. Explanation of reference numerals in the attached drawings: 1. Outer leaf plate; 2. Extruded polystyrene board; 3. Inner leaf plate; 4. Barbed anchor hook; 5. Expanding rubber strip; 6. Long strip protrusion; 7. Positioning pin; 8. Sealing ring; 9. Trapezoidal groove; 10. Long strip groove; 11. Positioning hole; 12. Trapezoidal protrusion; 13. Rubber groove. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] Example: Please refer to Figures 1 to 3 This utility model provides a thermal insulation structure for the splicing joints of energy-saving building envelopes, which aims to solve the problems of existing energy-saving building envelope splicing structures, such as complex installation, insufficient connection stability, easy generation of thermal bridge effect at the splicing joints, and difficulty in ensuring long-term sealing performance.

[0021] like Figure 1 As shown, the thermal insulation structure applied to the splicing joints of energy-saving building envelopes includes a basic frame composed of an outer leaf plate 1, an extruded polystyrene board 2, and an inner leaf plate 3. The outer leaf plate 1, the extruded polystyrene board 2, and the inner leaf plate 3 are connected to form an integrated thermal insulation structural unit by a composite fixing method using polyurethane building sealant. The top of the thermal insulation structural unit has a trapezoidal groove 9, and the bottom of the thermal insulation structural unit is fixedly connected to a trapezoidal protrusion 12. The trapezoidal protrusion 12 and the trapezoidal groove 9 are used to realize the vertical stacking installation of the upper and lower thermal insulation structural units. In order to realize horizontal assembly and locking, a long strip protrusion 6 is fixedly connected to one side of the thermal insulation structural unit, and a thermal insulation positioning pin 7 is also fixedly connected to the same side. As a matching, a long strip groove 10 is opened on the other side of the thermal insulation structural unit, and a similar feature is also opened on the same side. Figure 2 As shown in the positioning hole 11, during installation, the positioning pin 7 of one thermal insulation structural unit is inserted into the positioning hole 11 of the adjacent thermal insulation structural unit, and at the same time, the elongated protrusion 6 of the thermal insulation structural unit is engaged with the elongated groove 10 of the adjacent thermal insulation structural unit.

[0022] To solve the above-mentioned technical problems, the core of the technical solution of this embodiment is that the thermal insulation structure applied to the joint of the exterior envelope of energy-saving buildings also includes a sealing ring 8, an expansion rubber strip 5, a rubber groove 13 and a barbed anchor hook 4, and these components form a specific structural fit and connection relationship with the aforementioned thermal insulation structure unit and its connecting components.

[0023] Please refer to the following carefully. Figure 2 The sealing structure is described in detail below: The sealing ring 8 is fitted around the outer periphery of the positioning pin 7. When the positioning pin 7 is inserted into the positioning hole 11, the sealing ring 8 is compressed and seals the connection point between the positioning pin 7 and the positioning hole 11. Its function is to prevent air or water vapor from penetrating through the pin hole connection.

[0024] Please refer to the following carefully. Figure 1 and Figure 3 The main sealing structure of the joint is described in detail below: the expansion rubber strip 5 is fixedly connected to the top and one side of the inner blade plate 3, and the rubber groove 13 is opened at the bottom and the other side of the inner blade plate 3. In the assembled state, the expansion rubber strip 5 of one heat insulation structural unit is embedded in the rubber groove 13 of the adjacent heat insulation structural unit. This embedded sealing fit ensures that the expansion rubber strip 5 can fully fill the joint between the two heat insulation structural units by utilizing its elasticity and expansion characteristics, so as to achieve reliable sealing and heat insulation.

[0025] Please refer to the following carefully. Figure 1 For the anchoring of the thermal insulation structural unit, barbed anchor hooks 4 are fixedly connected to the inner leaf plate 3 on the side away from the extruded polystyrene board 2. The barbed anchor hooks 4 are used to interlock with the concrete of the building body to ensure the stability of the entire thermal insulation structural unit installation.

[0026] Based on the above embodiments, the present invention may further include the following preferred technical solutions: As a preferred embodiment, in order to define the anchoring range of the pin, such as Figure 1 and Figure 2 As shown, the positioning pin 7 is fixedly connected to the outer leaf plate 1 and the inner leaf plate 3, and correspondingly, the positioning hole 11 is formed on the outer leaf plate 1 and the inner leaf plate 3. As a preferred implementation method, in order to achieve coordination between positioning and locking, such as Figure 1 As shown, the positioning pin 7 and the elongated protrusion 6 are located on the same side of the heat insulation structure unit, and the positioning hole 11 and the elongated groove 10 are located on the other side of the heat insulation structure unit. As a preferred embodiment, in order to enhance the integrity of the horizontal connection, such as Figure 1 As shown, the elongated protrusion 6 is fixedly connected to one side of the outer leaf plate 1, the extruded polystyrene board 2, and the inner leaf plate 3, and the elongated groove 10 is formed on the other side of the outer leaf plate 1, the extruded polystyrene board 2, and the inner leaf plate 3. As a preferred embodiment, in order to enhance the overall integrity of the vertical connection, such as Figure 1 As shown, trapezoidal grooves 9 are formed on the top of outer leaf plate 1, extruded polystyrene plate 2 and inner leaf plate 3, and trapezoidal protrusions 12 are fixedly connected to the bottom of outer leaf plate 1, extruded polystyrene plate 2 and inner leaf plate 3.

[0027] The implementation principle of this application embodiment is as follows: When installing vertically, the trapezoidal protrusion 12 at the bottom of one thermal insulation structural unit is embedded into the trapezoidal groove 9 at the top of another thermal insulation structural unit below, so as to achieve quick alignment and stacking fixation of the two units.

[0028] During horizontal installation, the positioning pin 7 on one side of a thermal insulation structural unit is inserted into the positioning hole 11 on the other side of the adjacent thermal insulation structural unit to achieve initial positioning connection. At the same time as the positioning pin 7 is inserted, since the positioning pin 7 and the elongated protrusion 6 are on the same side, and the positioning hole 11 and the elongated groove 10 are on the same side, the elongated protrusion 6 on one side of the thermal insulation structural unit will engage with the elongated groove 10 of the adjacent thermal insulation structural unit. This composite connection method of pin hole positioning and protrusion-groove engagement achieves rapid and stable horizontal locking.

[0029] During the connection process, the sealing ring 8, which is fitted around the locating pin 7, seals the connection point of the locating hole 11. At the same time, the expansion rubber strip 5 of the inner blade 3 of one thermal insulation structural unit is embedded in the rubber groove 13 of the inner blade 3 of the adjacent thermal insulation structural unit. The expansion rubber strip 5 fills the joint with its properties. The synergistic effect of the sealing ring 8 and the expansion rubber strip 5 effectively blocks the transmission path of air and heat, and avoids the generation of thermal bridges.

[0030] During wall pouring or installation, the barbed anchors 4 fixedly connected to the inner leaf plate 3 will tightly engage with the concrete of the main building, providing a strong anchoring force for the entire external envelope structure and ensuring overall stability.

[0031] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A thermal insulation structure for joints in the exterior envelope of energy-efficient buildings, comprising: The outer leaf plate (1), the extruded polystyrene board (2) and the inner leaf plate (3) are fixedly connected to form a heat-insulating structural unit. The top of the heat insulation structure unit is provided with a trapezoidal groove (9), and the bottom of the heat insulation structure unit is fixedly connected with a trapezoidal protrusion (12). Its features are, A long strip protrusion (6) and a positioning pin (7) are fixedly connected to one side of the heat insulation structure unit. The other side of the heat insulation structure unit is provided with a long groove (10) and a positioning hole (11). The positioning pin (7) is inserted into the positioning hole (11), and the elongated protrusion (6) is engaged with the elongated groove (10).

2. The energy-saving building envelope joint thermal break structure according to claim 1, characterized in that, The outer periphery of the positioning pin (7) is fitted with a sealing ring (8).

3. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, An expansion rubber strip (5) is fixedly connected to the top and one side of the inner leaf plate (3), and a rubber groove (13) is provided on the bottom and the other side of the inner leaf plate (3).

4. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, The inner leaf plate (3) is fixedly connected to the side of the extruded polystyrene board (2) with barbed anchor hooks (4).

5. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, The positioning pin (7) is fixedly connected to the outer leaf plate (1) and the inner leaf plate (3); the positioning hole (11) is opened on the outer leaf plate (1) and the inner leaf plate (3).

6. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, The positioning pin (7) and the elongated protrusion (6) are located on the same side of the heat insulation structure unit, and the positioning hole (11) and the elongated groove (10) are located on the same side of the heat insulation structure unit.

7. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, The elongated protrusion (6) is fixedly connected to one side of the outer leaf plate (1), the extruded polystyrene plate (2) and the inner leaf plate (3), and the elongated groove (10) is opened on the other side of the outer leaf plate (1), the extruded polystyrene plate (2) and the inner leaf plate (3).

8. The thermal insulation structure applied to the joints of energy-saving building envelopes according to claim 1, characterized in that, The trapezoidal groove (9) is opened on the top of the outer leaf plate (1), the extruded polystyrene plate (2) and the inner leaf plate (3), and the trapezoidal protrusion (12) is fixedly connected to the bottom of the outer leaf plate (1), the extruded polystyrene plate (2) and the inner leaf plate (3).

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