Fireproof glass curtain wall unit with self-closing structure
The fire-resistant glass curtain wall unit with a self-closing structure uses a thermal element to trigger a slider to automatically move the sealing strip, which solves the problem that existing glass curtain walls cannot automatically close in a fire, improves fire resistance and building safety, and simplifies installation and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGYE LVYANG GLASS CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-23
AI Technical Summary
Existing glass curtain walls lack active protection functions in the event of a fire, and cannot respond in a timely manner or close automatically, resulting in poor fire isolation effect. Furthermore, installation and maintenance are complex and costly, affecting building safety.
Design a fireproof glass curtain wall unit with a self-closing structure, including components such as a frame, fireproof glass, sliding rail, slider, elastic element, and triggering device. The slider is automatically released by a thermal element at high temperature, and the elastic element pushes the slider to move along the sliding rail, so that the sealing strip tightly fits the edge of the fireproof glass to form a reliable fire barrier.
It achieves automatic closure without human intervention in the event of a fire, effectively preventing the spread of fire, improving building safety, enhancing fire resistance, reducing impact damage to glass, and simplifying the installation and maintenance process.
Smart Images

Figure CN224396351U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building curtain wall technology, and in particular to a fireproof glass curtain wall unit with a self-closing structure. Background Technology
[0002] In modern architecture, glass curtain walls are widely used in various buildings due to their aesthetic appeal, lighting capabilities, and spatial openness. However, with increasingly stringent building safety requirements, particularly regarding fire resistance, the design and application of traditional glass curtain walls face numerous challenges. Existing glass curtain wall units typically use ordinary glass or single-layer fire-resistant glass, which, while meeting fire safety requirements to some extent, often falls short of ideal performance in actual fire scenarios. Furthermore, existing glass curtain walls are prone to cracking or detachment under high temperatures, leading to the spread of fire and smoke, seriously threatening personal safety and the stability of the building structure.
[0003] Currently, most fire-resistant glass curtain walls on the market rely on passive fire protection measures, such as using fire-resistant glass or adding insulation layers. However, these designs still have shortcomings in practical applications. On the one hand, these curtain walls lack active protection functions and cannot respond in time to prevent the further spread of fire when it occurs. On the other hand, the complexity and high cost of installing and maintaining existing fire-resistant glass curtain walls limit their widespread application. More importantly, current glass curtain wall units cannot achieve automatic closing in the event of a fire, resulting in poor fire isolation and significantly affecting the overall safety performance of the building.
[0004] Therefore, developing a fire-resistant glass curtain wall unit with a self-closing structure that can respond quickly and automatically close in the event of a fire, effectively isolating the fire source and smoke, has become an urgent need in the field of building fire protection. This design not only improves the fire resistance of the glass curtain wall but also enhances the overall safety of the building, buying valuable time for evacuation and firefighting, and has significant practical significance and application value. Utility Model Content
[0005] The purpose of this utility model is to provide a fireproof glass curtain wall unit with a self-closing structure, which solves the problems mentioned in the background art.
[0006] This utility model is implemented as follows: a fireproof glass curtain wall unit with a self-closing structure includes a frame, fireproof glass, and a closing mechanism; the inner side of the frame is provided with a slot for installing the fireproof glass; the closing mechanism includes a slide rail, a slider, an elastic element, and a triggering device; the slide rail is symmetrically arranged on the inner walls of both sides of the frame; the slider is slidably connected to the slide rail; one end of the elastic element is fixedly connected to the slider, and the other end is fixedly connected to the end of the slide rail; the triggering device is located at the top of the frame and is in contact with the slider; it also includes a sealing strip, a guide rod, and a limiting plate; a sealing strip is fixedly connected to the side of the slider near the fireproof glass; the guide rod is located on the inner side of the frame and is slidably connected to the slider; the limiting plate is fixed to both ends of the guide rod to limit the movement range of the slider; the slider is initially fixed by the triggering device, and the elastic element is in a compressed state; the triggering device automatically releases the slider under high temperature conditions, and the elastic element pushes the slider to move along the slide rail, so that the sealing strip tightly fits the edge of the fireproof glass.
[0007] Furthermore, it also includes a buffer pad; the buffer pad is placed on the side where the sealing strip contacts the fireproof glass; the buffer pad is made of high-temperature resistant silicone material and has anti-slip texture on the surface; the buffer pad and the sealing strip are fixedly connected by adhesive.
[0008] Furthermore, the slide rail has a T-shaped cross-section, and the part of the slider that contacts the slide rail is provided with a T-shaped groove that matches the slide rail; the slider and the slide rail are connected by a damped sliding connection.
[0009] Furthermore, the triggering device includes a thermal element and a latch; the thermal element is located inside the latch and automatically melts when the temperature reaches a preset value; the side of the latch that contacts the slider has a barb structure for fixing the slider position.
[0010] Furthermore, the sealing strip has a multi-layer composite structure, including a fire-resistant layer and a heat-insulating layer; the fire-resistant layer is located on the outside of the sealing strip, and the heat-insulating layer is located on the inside of the sealing strip; the fire-resistant layer is made of ceramic fiber, and the heat-insulating layer is made of aerogel.
[0011] Furthermore, the guide rod surface is coated with a lubricating coating made of graphene to reduce friction between the slider and the guide rod.
[0012] Furthermore, a pressure sensor is embedded on the side of the limiting plate near the slider; the pressure sensor is used to detect the contact pressure between the slider and the limiting plate and transmit the signal to an external monitoring system.
[0013] Furthermore, an auxiliary support frame is provided inside the frame; the auxiliary support frame is connected to the slider via a hinge; the auxiliary support frame unfolds during the movement of the slider to enhance the stability of the slider.
[0014] Furthermore, the elastic element is a helical spring, and its surface is coated with a high-temperature resistant coating; the high-temperature resistant coating is made of polytetrafluoroethylene and is used to prevent the elastic element from failing in high-temperature environments.
[0015] The beneficial effects of this utility model are: This utility model enables the fireproof glass curtain wall to automatically close in the event of a fire without human intervention, effectively preventing the spread of fire and improving the overall safety of the building;
[0016] The thermal element of the trigger device automatically releases the slider under high temperature conditions. The elastic element pushes the slider to drive the sealing strip to tightly fit the edge of the fireproof glass, forming a reliable fire barrier and avoiding the safety hazards caused by the slow response of personnel in the traditional manual closing method.
[0017] The sealing strip adopts a multi-layer composite structure, which combines fire resistance and heat insulation properties, further improving the fire protection effect. At the same time, a buffer pad is added to avoid impact damage to the fireproof glass during the movement of the slider, extending the service life of the curtain wall. In addition, the lubricating coating on the surface of the guide rod significantly reduces the resistance of the slider movement, ensuring a smooth and efficient closing process. The auxiliary support frame enhances the stability of the slider and avoids closing failure caused by uneven force, which has high practicality and reliability. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a top view of the present invention;
[0020] Figure 3 This is a schematic diagram of the sealing mechanism of this utility model.
[0021] The attached diagram is labeled as follows: 1. Frame; 2. Fireproof glass; 3. Closing mechanism; 4. Slide rail; 5. Slider; 6. Elastic element; 7. Triggering device; 8. Sealing strip; 9. Guide rod; 10. Limiting plate; 11. Buffer pad; 12. Thermosensitive element; 13. Lock; 14. Fire-resistant layer; 15. Heat insulation layer; 16. Pressure sensor; 17. Auxiliary support frame; 18. Lubricating coating. Detailed Implementation
[0022] This utility model provides a fireproof glass curtain wall unit with a self-closing structure, the specific implementation of which is as follows (in conjunction with the appendix). Figure 1 To be continued Figure 3 Please provide a detailed explanation. For example... Figure 1As shown, the overall structure of this utility model includes a frame 1, fireproof glass 2, and a closing mechanism 3. The frame 1 serves as the main supporting structure for the entire curtain wall unit, and its inner side is provided with slots for installing the fireproof glass 2. The fireproof glass 2 is fixed inside the frame 1 through these slots, forming a complete curtain wall unit. The closing mechanism 3 is the core component for achieving the automatic closing function; its arrangement and working principle will be described in detail later.
[0023] The closing mechanism 3 comprises a slide rail 4, a slider 5, an elastic element 6, and a triggering device 7. The slide rail 4 is symmetrically arranged on the inner walls of both sides of the frame 1. The slider 5 is slidably connected to the slide rail 4, and the connection between the slider 5 and the slide rail 4 is damped to ensure smooth and stable movement of the slider 5. A sealing strip 8 is fixed to the side of the slider 5 closest to the fireproof glass 2. The sealing strip 8 ensures a tight seal against the edge of the fireproof glass 2 during a fire, forming a reliable fire barrier. To further optimize the movement stability of the slider 5, a guide rod 9 is also provided inside the frame 1. The guide rod 9 passes through the slider 5 and is slidably connected to it. Limiting plates 10 are fixed to both ends of the guide rod 9 to limit the range of movement of the slider 5 and prevent it from detaching from the track due to excessive movement. The slider 5 is initially fixed by the triggering device 7. At this time, the elastic element 6 is in a compressed state, storing sufficient potential energy to push the slider 5 to move rapidly along the slide rail 4 after triggering.
[0024] The triggering device 7 is one of the key components of the closing mechanism 3, and its specific structure is as follows: Figure 2 As shown. The triggering device 7 includes a thermal element 12 and a latch 13, wherein the thermal element 12 is disposed inside the latch 13 and can automatically melt when the temperature reaches a preset value. The side of the latch 13 that contacts the slider 5 has a barb structure, which can firmly fix the position of the slider 5 and keep it stationary under normal conditions. When a fire occurs, the ambient temperature rises to the melting temperature of the thermal element 12, and the thermal element 12 melts rapidly, causing the latch 13 to lose its restraining force on the slider 5. At this time, the elastic element 6 releases the stored potential energy, pushing the slider 5 to move rapidly along the slide rail 4 towards the fireproof glass 2, so that the sealing strip 8 tightly fits the edge of the fireproof glass 2, completing the automatic closing process.
[0025] The design of the sealing strip 8 is one of the important innovations of this utility model, and its cross-sectional structure is as follows: Figure 3As shown. The sealing strip 8 adopts a multi-layer composite structure, including a fire-resistant layer 14 and a heat-insulating layer 15. The fire-resistant layer 14 is located on the outer side of the sealing strip 8 and is made of ceramic fiber material, which has excellent high-temperature resistance and can remain stable for a long time in a fire environment. The heat-insulating layer 15 is located on the inner side of the sealing strip 8 and is made of aerogel material, which has an extremely low thermal conductivity and can effectively isolate heat transfer, protecting the internal structure of the curtain wall from high temperatures. In addition, a buffer pad 11 is added to the side of the sealing strip 8 that contacts the fireproof glass 2. The buffer pad 11 is made of high-temperature resistant silicone material and has anti-slip texture on the surface, which can reduce the impact damage to the fireproof glass 2 during the movement of the slider 5, and at the same time enhance the friction between the sealing strip 8 and the fireproof glass 2, ensuring a more reliable sealing effect after closure.
[0026] To further reduce the frictional resistance of the slider 5 during movement, the surface of the guide rod 9 is coated with a lubricating coating 18. The lubricating coating 18 is made of graphene, which has excellent lubrication performance and high-temperature resistance, significantly reducing the friction between the slider 5 and the guide rod 9, ensuring smoother and more efficient movement of the slider 5. In addition, a pressure sensor 16 is embedded in the side of the limiting plate 10 near the slider 5. The pressure sensor 16 can detect the contact pressure between the slider 5 and the limiting plate 10 in real time and transmit the signal to an external monitoring system, allowing managers to promptly understand the working status of the closing mechanism 3.
[0027] The auxiliary support frame 17 is another important improvement of this utility model. It is hinged to the inside of the frame 1 and connected to the slider 5. During the movement of the slider 5, the auxiliary support frame 17 unfolds accordingly, thereby enhancing the stability of the slider 5 and preventing closure failure due to uneven force. The unfolding action of the auxiliary support frame 17 is synchronized with the movement of the slider 5, requiring no additional power drive and simplifying the overall structural design.
[0028] The elastic element 6 uses a helical spring as its main component and is coated with a high-temperature resistant coating made of polytetrafluoroethylene (PTFE). This coating maintains good elasticity and stability under high temperatures, preventing the elastic element 6 from failing due to high temperatures. One end of the elastic element 6 is fixedly connected to the slider 5, and the other end is fixedly connected to the end of the slide rail 4. Its length in the compressed state has been precisely calculated to ensure that it can provide sufficient thrust after triggering, allowing the slider 5 to move quickly to the target position.
[0029] The practical application scenario of this utility model is typically fire-resistant glass curtain wall systems in high-rise buildings or public places. Under normal circumstances, the closing mechanism 3 is in standby mode, the slider 5 is fixed by the triggering device 7, and a certain gap is maintained between the sealing strip 8 and the fire-resistant glass 2, which does not affect the normal use of the curtain wall. When a fire occurs, the ambient temperature rises rapidly, and the thermal element 12 in the triggering device 7 automatically melts after reaching the preset temperature, and the latch 13 releases the slider 5. At this time, the elastic element 6 pushes the slider 5 to move quickly along the slide rail 4, causing the sealing strip 8 to tightly fit against the edge of the fire-resistant glass 2, forming a reliable fire barrier. The multi-layer composite structure of the sealing strip 8 and the design of the buffer pad 11 further improve the fire resistance and reduce impact damage to the fire-resistant glass 2. At the same time, the pressure sensor 16 monitors the movement status of the slider 5 in real time, and the auxiliary support frame 17 enhances the stability of the slider 5, ensuring that the closing process is completed smoothly.
[0030] In summary, this utility model, through ingenious structural design and material selection, achieves the automatic closing function of fire-resistant glass curtain walls in the event of a fire. It effectively prevents the spread of fire without manual intervention, significantly improving the overall safety of the building. Its operating principle and implementation process fully demonstrate the innovation and practicality of the technical solution, possessing high promotional value and application prospects.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A fireproof glass curtain wall unit with a self-closing structure, comprising a frame (1), fireproof glass (2), and a closing mechanism (3); the inner side of the frame (1) is provided with a slot for installing the fireproof glass (2); the closing mechanism (3) comprises a slide rail (4), a slider (5), an elastic element (6), and a triggering device (7); the slide rail (4) is symmetrically arranged on the inner walls of both sides of the frame (1); the slider (5) is slidably connected to the slide rail (4); one end of the elastic element (6) is fixedly connected to the slider (5), and the other end is fixedly connected to the end of the slide rail (4); the triggering device (7) is located at the top of the frame (1) and is in contact with the slider (5); characterized in that: It also includes a sealing strip (8), a guide rod (9) and a limiting plate (10); the sealing strip (8) is fixed to the side of the slider (5) near the fireproof glass (2); the guide rod (9) is set inside the frame (1) and is slidably connected to the slider (5); the limiting plate (10) is fixed to both ends of the guide rod (9); the slider (5) is fixed by the triggering device (7) in the initial state and the elastic element (6) is in a compressed state.
2. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: It also includes a buffer pad (11); the buffer pad (11) is placed on the side of the sealing strip (8) that contacts the fireproof glass (2); the buffer pad (11) is made of high temperature resistant silicone material and has anti-slip texture on the surface; the buffer pad (11) and the sealing strip (8) are fixedly connected by adhesive.
3. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: The slide rail (4) has a T-shaped cross section; the part of the slider (5) that contacts the slide rail (4) is provided with a T-shaped groove that is compatible with the slide rail (4); the slider (5) and the slide rail (4) are connected by a damped sliding connection.
4. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: The triggering device (7) includes a thermal element (12) and a latch (13); the thermal element (12) is located inside the latch (13); the latch (13) has a barb structure on the side that contacts the slider (5).
5. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: The sealing strip (8) has a multi-layer composite structure, including a fire-resistant layer (14) and a heat insulation layer (15); the fire-resistant layer (14) is located on the outside of the sealing strip (8), and the heat insulation layer (15) is located on the inside of the sealing strip (8); the fire-resistant layer (14) is made of ceramic fiber, and the heat insulation layer (15) is made of aerogel.
6. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: The guide rod (9) has a lubricating coating (18) on its surface; the lubricating coating (18) is made of graphene; a pressure sensor (16) is embedded on the side of the limiting plate (10) near the slider (5).
7. A fireproof glass curtain wall unit with a self-closing structure according to claim 1, characterized in that: It also includes an auxiliary support frame (17); the auxiliary support frame (17) is connected to the slider (5) by a hinge; the auxiliary support frame (17) unfolds during the movement of the slider (5); the elastic element (6) is a helical spring and its surface is coated with a high-temperature resistant coating; The high-temperature resistant coating is made of polytetrafluoroethylene.