Energy-saving glass curtain wall daylighting roof system with water guide function

Through the energy-saving glass curtain wall lighting roof system with water conduction function, the combination of concave through holes and water connection pipe drainage structure and breathable and moisture-exhaust components and fresh air system is used to solve the problem of rainwater invasion caused by aging of sealants, and the rainwater diversion and moisture removal are achieved, which improves the use effect and life of glass curtain walls.

CN223061884UActive Publication Date: 2025-07-04JIANGSU SHANGRUIHONGTAO CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422289342.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-07-04
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

When used in the existing glass curtain wall lighting roof system, the sealant is prone to aging, causing outdoor rainwater to invade the indoor room, and has poor drainage, affecting the product life and indoor environment.

Method used

The energy-saving glass curtain wall lighting roof system adopts water conduction function, including upper pressure frame, protective frame, water guide member, lower pressure frame and support groove. By designing a concave through-hole and water connection pipe drainage structure, combined with breathable and moisture exhaust components and fresh air system, rainwater diversion and moisture removal are achieved.

Benefits of technology

Effectively avoid rainwater entering the room, maintain the stable temperature and humidity of the glass curtain wall, extend the product life and improve the use effect.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to an energy-saving glass curtain wall daylighting roof system with a water guiding function, and relates to the field of glass curtain walls. The energy-saving glass curtain wall daylighting roof system with the water guiding function comprises a glass body, an upper pressing frame, a protection frame, a water guiding component, a lower pressing frame, a supporting groove and a limiting clamping groove. According to the glass curtain wall lighting lamp, the upper pressing frame and the lower pressing frame are arranged, so that the glass body is clamped between the upper pressing frame and the lower pressing frame, the installation efficiency of the glass body is effectively guaranteed, in addition, due to the design of the waterproof component, rainwater outside the daylighting roof can be conveniently guided, indoor moisture can be conveniently removed in time, and the use effect of the glass curtain wall lighting lamp is effectively guaranteed.
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Description

Technical Field

[0001] This application relates to the technical field of glass curtain walls, and particularly to an energy-saving glass curtain wall daylighting roof system with a water guiding function. Background Art

[0002] In the related art, the publication number is CN112982768A, an energy-saving glass curtain wall daylighting roof system with a water guiding function, belonging to the field of daylighting roof technology. It includes square tubes, glass, channel aluminum, and attachment frames. The channel aluminum is connected to the square tubes. An aluminum frame extending along the length direction of the channel aluminum is provided on the inner bottom surface of the channel aluminum, and the opening of the aluminum frame faces the bottom of the channel aluminum. There are two attachment frames, both of which are connected to the aluminum frame. The glass is installed on the attachment frames. Water guiding grooves are formed between both sides of the aluminum frame and the inner side walls of the channel aluminum. This application has the effects of reducing the influence of glass condensate water falling on the indoor space and saving energy and protecting the environment.

[0003] In view of the above related art, the inventor found that when the waterproof system of the glass curtain wall daylighting roof is in use, although it solves the problem of glass condensate water falling and affecting the indoor environment, although sealant is provided at the joint between the aluminum material and the glass curtain wall, during long-term use, the sealing performance will deteriorate, easily causing outdoor rainwater to invade the room from the joint between the aluminum material and the glass curtain wall, and the drainage performance is poor, resulting in an excessive self-weight of the daylighting roof and affecting the product life. Utility Model Content

[0004] In order to solve the problem that although the waterproof system of the glass curtain wall daylighting roof in the prior art solves the problem of glass condensate water falling and affecting the indoor environment during use, it is easy for outdoor rainwater to invade the room from the joint between the aluminum material and the glass curtain wall, this application provides an energy-saving glass curtain wall daylighting roof system with a water guiding function.

[0005] The energy-saving glass curtain wall daylighting roof system with a water guiding function provided by this application adopts the following technical solutions: The energy-saving glass curtain wall daylighting roof system with a water guiding function includes a glass body, an upper pressing frame provided on the upper end surface of the glass body, a protection frame provided at one end of the upper pressing frame relative to the glass body, a water guiding member provided in the protection frame, a lower pressing frame provided on the lower end surface of the glass body, support grooves respectively provided on the outer sides of the upper ends of the lower pressing frames, and a limit card slot provided on the upper inner part of the lower pressing frame and adapted to the protection frame. The end of the protection frame far from the connection with the upper pressing frame is set as an open end.

[0006] By adopting the above technical solution, the lower pressing frame is installed with the supporting keel in the curtain wall system, and the supporting groove provides positioning for the installation position of the glass body, so that the glass body is clamped between the upper pressing frame and the lower pressing frame, effectively ensuring the installation efficiency of the glass body. In addition, the design of the waterproof component not only facilitates the diversion of rainwater outside the daylighting roof, but also facilitates the timely removal of indoor moisture, effectively ensuring the use effect of the glass curtain wall daylighting lamp.

[0007] Optionally, the water guiding component includes a water guiding assembly arranged opposite to the upper pressing frame, a ventilation and moisture exhausting assembly arranged opposite to the lower pressing frame, and a connecting component arranged between the water guiding assembly and the air permeable and moisture exhausting assembly. The water guiding assembly includes an upper protecting pipe arranged in the protecting frame, a water receiving pipe uniformly arranged at one end of the upper protecting pipe opposite to the upper pressing frame, a drain pipe arranged at the connection between the port of the upper protecting pipe and the protecting frame, and a through hole arranged on the upper pressing frame and adapted to the water receiving pipe. The through hole is arranged in a concave shape, and one end of the water receiving pipe and the upper end surface of the through hole are arranged on the same horizontal plane, and a sealing ring is arranged at the connection between the water receiving pipe and the through hole.

[0008] By adopting the above technical solution, since the through hole is arranged in a concave shape, the rainwater passing through the upper pressing frame is drained to the through hole, and the water receiving pipe facilitates the drainage of the rainwater passing through the through hole into the upper protecting pipe and is discharged through the drain pipe, thus effectively avoiding the occurrence of rainwater entering the room through the connection between the upper pressing frame and the glass body.

[0009] Optionally, the other end of the water receiving pipe penetrates through the upper protecting pipe and is arranged inside the upper protecting pipe, and the water receiving pipe is integrally formed with the upper protecting pipe.

[0010] By adopting the above technical solution, the water receiving pipe facilitates the guiding of the rainwater entering the upper protecting pipe, so that the rainwater can smoothly enter the upper protecting pipe.

[0011] Optionally, a filter screen is arranged on one side of the water receiving pipe opposite to the through hole, and the filter screen is made of stainless steel wire.

[0012] By adopting the above technical solution, the filter screen facilitates the filtering of sundries in the rainwater, thus avoiding the entry of sundries into the upper protecting pipe and ensuring the drainage rate of the upper protecting pipe.

[0013] Optionally, the air permeable and moisture exhausting component includes a lower protecting pipe arranged in the protecting frame and opposite to the lower pressing frame, and a connecting pipe head arranged at one end of the lower protecting pipe. The connecting pipe head penetrates through the protecting frame and is arranged outside the protecting frame, and the connecting pipe head is connected to the air outlet of the indoor fresh air system, and air permeable holes are uniformly arranged on the lower protecting pipe.

[0014] By adopting the above technical solution, the connecting pipe head is connected to the fresh air system in the room. When it rains, the humidity in the room increases and the fresh air system starts. The wind enters the lower protection pipe through the connecting pipe head, and the air-permeable holes on the lower protection pipe remove the moisture in the protection frame in real time, so that the temperature and humidity in the protection frame are always kept stable, thus effectively avoiding the generation of condensate at the connection between the glass body and the aluminum component in rainy weather.

[0015] Optionally, the connecting component includes first connecting wing edges respectively arranged on both sides of the upper protection pipe, second connecting wing edges arranged on both sides of the lower protection pipe, connecting protrusions uniformly arranged at one end of the second connecting wing edge relative to the first connecting wing edge, and connecting grooves arranged on the first connecting wing edge and adapted to the connecting protrusions.

[0016] By adopting the above technical solution, the complementary effect between the connecting protrusion and the connecting groove not only facilitates the positioning of the upper protection pipe and the lower protection pipe during the installation process, but also facilitates the connection of the upper protection pipe and the lower protection pipe.

[0017] Optionally, a connecting support plate and a connecting screw connected to the connecting support plate are fixedly arranged in the protection frame. The connecting screw sequentially passes through the second wing edge, the first connecting wing edge and is connected to the connecting support plate, and a connecting hole adapted to the connecting screw is arranged on the connecting support plate.

[0018] By adopting the above technical solution, the connecting screw not only facilitates the secondary connection of the upper protection pipe and the lower protection pipe, but also facilitates the stable installation of the water guiding component in the protection frame.

[0019] Optionally, it further includes a stepped groove arranged at the open end of the protection frame, a protection cover plate connected to the stepped groove, and fixing screws arranged at the connection between the protection cover plate and the stepped groove. The fixing screws pass through the protection cover plate and are connected to the stepped groove, and fixing holes adapted to the fixing screws are arranged on the stepped groove.

[0020] By adopting the above technical solution, it is further convenient to quickly disassemble and assemble the protection cover plate and the stepped groove through the cooperation between the fixing screw and the fixing hole, so as to facilitate the disassembly and assembly of the waterproof component.

[0021] In summary, the present application includes the following beneficial technical effects:

[0022] 1. The water guiding component includes an upper protection pipe, a water connection pipe, a drain pipe, and a through hole. Since the through hole is set to be concave, the rainwater passing through the upper pressing frame is diverted to the through hole. The water connection pipe facilitates the diversion of the rainwater passing through the through hole into the upper protection pipe and discharges it through the drain pipe, thus effectively preventing the rainwater from entering the room through the connection between the upper pressing frame and the glass body. The water connection pipe facilitates the guiding of the rainwater entering the upper protection pipe, thus facilitating the smooth entry of the rainwater into the upper protection pipe.

[0023] 2. The breathable moisture exhausting component includes a lower protection pipe and a connecting pipe head. The connecting pipe head is connected to the air outlet of the fresh air system in the room. When it is rainy, the humidity in the room increases and the fresh air system starts. The wind enters the lower protection pipe through the connecting pipe head, and the breathable holes on the lower protection pipe remove the moisture in the protection frame in real time, keeping the temperature and humidity in the protection frame stable all the time, thus effectively preventing the generation of condensed water at the connection between the glass body and the aluminum component when it is rainy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of the overall structure of the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application;

[0025] Figure 2 is a schematic structural diagram of the upper pressing frame and the lower pressing frame in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application;

[0026] Figure 3 is in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application Figure 2 schematic structural diagram of the enlarged view at A;

[0027] Figure 4 is a schematic structural diagram of the water guiding component and the moisture exhausting and breathable component in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application;

[0028] Figure 5 is in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application Figure 4 schematic structural diagram of the enlarged view at B

[0029] Figure 6 is a schematic structural diagram of the connecting component in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application;

[0030] Figure 7 is in the energy-saving glass curtain wall daylighting roof system with water guiding function of the present application Figure 6 schematic structural diagram of the enlarged view at D;

[0031] Figure 8It is a schematic structural diagram of a protective cover plate in an energy-saving glass curtain wall daylighting roof system with a water guiding function in this application;

[0032] Figure 9 It is in the energy-saving glass curtain wall daylighting roof system with a water guiding function in this application Figure 8 Schematic structural diagram of an enlarged view at position C of

[0033] Explanation of reference numerals: 1, glass body; 2, upper pressing frame; 21, through hole; 3, lower pressing frame; 31, support groove; 32, limit card slot; 4, protective frame; 40, stepped groove; 41, protective cover plate; 411, fixing screw; 42, connecting support plate; 420, connecting screw; 51, upper protection pipe; 510, drain pipe; 511, first connecting wing edge; 512, water connection pipe; 52, lower protection pipe; 5220, connecting pipe head; 521, second connecting wing edge; 5211, connecting protrusion. Detailed implementation manners

[0034] The following further elaborates on this application with reference to the accompanying drawings.

[0035] An embodiment of this application discloses an energy-saving glass curtain wall daylighting roof system with a water guiding function. Referring to Figure 1 、 Figure 2 and Figure 3 , it includes a glass body 1, an upper pressing frame 2 arranged on the upper end face of the glass body 1, a protective frame 4 arranged at one end of the upper pressing frame 2 relative to the glass body 1, a water guiding component arranged in the protective frame 4, a lower pressing frame 3 arranged on the lower end face of the glass body 1, support grooves 31 respectively arranged on the outer side of the upper end of the lower pressing frame 3, and limit card slots 32 arranged on the inner side of the lower pressing frame 3 and adapted to the protective frame 4. One end of the protective frame 4 far from the connection with the upper pressing frame 2 is set as an open end. During use, the lower pressing frame 3 is fixed to the support keel in the curtain wall system, the inner walls of the support grooves 31 are respectively coated with glass sealant, then the glass body 1 is placed on the support grooves 31, the protective frame 4 on the lower end face of the upper pressing frame 2 is clamped in the limit groove of the lower pressing frame 3, and a sealing strip is filled in the gap at the connection between the protective frame 4 and the lower pressing frame 3, and glass sealant is coated at the connection between the lower end face of the upper pressing frame 2 and the glass body 1, thus completing the installation of the daylighting roof.

[0036] Specifically, please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the water guiding component includes a water guiding assembly arranged relative to the upper pressing frame 2, a ventilation and moisture removal assembly arranged relative to the lower pressing frame 3, and a connection assembly arranged between the water guiding assembly and the ventilation and moisture removal assembly;

[0037] Specifically, please refer to Figure 3, wherein the water guide assembly includes an upper protection pipe 51 disposed within the protection frame 4, a water connection pipe 512 uniformly disposed at one end of the upper protection pipe 51 relative to the upper pressing frame 2, a drain pipe 510 disposed at the connection between the port of the upper protection pipe 51 and the protection frame 4, and a through hole 21 disposed on the upper pressing frame 2 and adapted to the water connection pipe 512. The through hole 21 is recessed. One end of the water connection pipe 512 and the upper end surface of the through hole 21 are disposed on the same horizontal plane. A sealing ring is disposed at the connection between the water connection pipe 512 and the through hole 21. Since the through hole 21 is disposed in a concave shape, the rainwater passing through the upper pressing frame 2 is diverted to the through hole 21. The water connection pipe 512 facilitates the diversion of the rainwater passing through the through hole 21 into the upper protection pipe 51 and discharges it through the drain pipe 510, thereby effectively avoiding the occurrence of rainwater entering the room through the connection between the upper pressing frame 2 and the glass body 1. The other end of the water connection pipe 512 penetrates through the upper protection pipe 51 and is disposed within the upper protection pipe 51, and the water connection pipe 512 is integrally formed with the upper protection pipe 51. The water connection pipe 512 facilitates the guiding of the rainwater entering the upper protection pipe 51, thereby facilitating the smooth entry of the rainwater into the upper protection pipe 51.

[0038] To prevent debris from entering the upper protection pipe 51 through the water connection pipe 512, a filter screen is disposed on one side of the water connection pipe 512 relative to the through hole 21. The filter screen is made of stainless steel wire. The filter screen facilitates the filtering of debris in the rainwater, thereby preventing debris from entering the upper protection pipe 51 and ensuring the drainage rate of the upper protection pipe 51.

[0039] For details, please refer to Figure 3 and Figure 4 , the air-permeable and moisture-discharging component includes a lower protection pipe 52 disposed within the protection frame 4 and relative to the lower pressing frame 3, and a connection pipe head 5220 disposed at one end of the lower protection pipe 52. The connection pipe head 5220 penetrates through the protection frame 4 and is disposed outside the protection frame 4. The connection pipe head 5220 is connected to the air outlet of the fresh air system in the room. The lower protection pipe 52 is uniformly provided with air-permeable holes. The connection pipe head 5220 is connected to the fresh air system in the room. When it is rainy, the humidity in the room increases, and the fresh air system is started. The wind enters the lower protection pipe 52 through the connection pipe head 5220. The air-permeable holes on the lower protection pipe 52 remove the moisture in the protection frame 4 in real time, so that the temperature and humidity in the protection frame 4 are always kept stable, thereby effectively avoiding the generation of condensed water at the connection between the glass body 1 and the aluminum component during rainy weather.

[0040] For details, please refer to Figure 4, the connecting components include first connecting wing edges 511 respectively arranged on both sides of the upper protective pipe 51, second connecting wing edges 521 arranged on both sides of the lower protective pipe 52, connecting protrusions 5211 evenly arranged at one end of the second connecting wing edge 521 relative to the first connecting wing edge 511, and connecting grooves arranged on the first connecting wing edge 511 and adapted to the connecting protrusions 5211. The complementary function between the connecting protrusions 5211 and the connecting grooves not only facilitates the positioning of the upper protective pipe 51 and the lower protective pipe 52 during installation, but also facilitates the connection of the upper protective pipe 51 and the lower protective pipe 52.

[0041] To facilitate the installation of the water guiding member in the protective frame 4, a connecting support plate 42 and a connecting screw 420 connected to the connecting support plate 42 are fixedly arranged in the protective frame 4. The connecting screw 420 sequentially passes through the second wing edge and the first connecting wing edge 511 to be connected to the connecting support plate 42. A connecting hole adapted to the connecting screw 420 is arranged on the connecting support plate 42. The connecting screw 420 not only facilitates the secondary connection of the upper protective pipe 51 and the lower protective pipe 52, but also facilitates the stable installation of the water guiding member in the protective frame 4.

[0042] For details, please refer to Figure 5 , to facilitate the quick disassembly and assembly of the water guiding member, it further includes a stepped groove 40 arranged at the open end of the protective frame 4, a protective cover plate 41 connected to the stepped groove 40, and a fixing screw 411 arranged at the connection between the protective cover plate 41 and the stepped groove 40. The fixing screw 411 passes through and is connected to the stepped groove 40 through the protective cover plate 41. A fixing hole adapted to the fixing screw 411 is arranged on the stepped groove 40. Thus, it is convenient to quickly disassemble and assemble the protective cover plate 41 and the stepped groove 40 through the cooperation between the fixing screw 411 and the fixing hole, so as to facilitate the disassembly and assembly of the waterproof member.

[0043] When installing the waterproof member, connect the connecting groove on the first connecting wing edge 511 with the connecting protrusion 5211 on the second connecting wing edge 521 to complete the connection of the upper protective pipe 51 and the lower protective pipe 52. Then align the water receiving pipe 512 with the through hole 21 of the upper pressing frame 2. The first connecting wing edge 511 contacts the connecting vertical plate. The connecting screw 420 sequentially passes through the second wing edge and the first connecting wing edge 511 to be connected to the connecting hole of the connecting support plate 42. Place the protective cover plate 41 on the stepped groove 40, and the fixing screw 411 passes through and is connected to the fixing hole on the stepped groove 40 through the protective cover plate 41.

[0044] The implementation principle of the energy-saving glass curtain wall daylighting roof system with water conduction function in the embodiments of this application is as follows: When it is rainy, the water receiving pipe 512 facilitates the diversion of the rainwater passing through the through hole 21 into the upper protection pipe 51 and discharges it through the drain pipe 510, thus effectively avoiding the situation that rainwater enters the room through the connection between the upper pressing frame 2 and the glass body 1. The connecting pipe head 5220 is connected to the fresh air system in the room. Due to the increase in humidity in the room during rainy weather, the fresh air system is activated, and the wind enters the lower protection pipe 52 through the connecting pipe head 5220. The air permeable holes on the lower protection pipe 52 remove the moisture in the protection frame 4 in real time, so that the temperature and humidity in the protection frame 4 are always kept stable, thus effectively avoiding the generation of condensate water at the connection between the glass body 1 and the aluminum components during rainy weather.

[0045] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. An energy-saving glass curtain wall daylighting roof system with water guiding function, characterized in that: It includes a glass body (1), an upper pressing frame (2) arranged on the upper end face of the glass body (1), a protective frame (4) arranged at one end of the upper pressing frame (2) relative to the glass body (1), a water guiding member arranged in the protective frame (4), a lower pressing frame (3) arranged on the lower end face of the glass body (1), support grooves (31) respectively arranged on the outer sides of the upper ends of the lower pressing frame (3), and a limit card slot (32) arranged on the inner side of the lower pressing frame (3) and adapted to the protective frame (4). The end of the protective frame (4) far from the connection with the upper pressing frame (2) is set as an open end; The water guiding member includes a water guiding component arranged relative to the upper pressing frame (2), a ventilation and moisture exhausting component arranged relative to the lower pressing frame (3), and a connection component arranged between the water guiding component and the ventilation and moisture exhausting component.

2. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 1, wherein: The water guiding component includes an upper protection pipe (51) arranged in the protective frame (4), water receiving pipes (512) uniformly arranged at one end of the upper protection pipe (51) relative to the upper pressing frame (2), a drain pipe (510) arranged at the connection between the port of the upper protection pipe (51) and the protective frame (4), and a through hole (21) arranged on the upper pressing frame (2) and adapted to the water receiving pipe (512). The through hole (21) is set in a concave shape. One end of the water receiving pipe (512) and the upper end face of the through hole (21) are arranged on the same horizontal plane. A sealing ring is arranged at the connection between the water receiving pipe (512) and the through hole (21).

3. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 2, characterized in that: The other end of the water receiving pipe (512) penetrates through the upper protection pipe (51) and is arranged inside the upper protection pipe (51), and the water receiving pipe (512) is integrally formed with the upper protection pipe (51).

4. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 3, characterized in that: A filter screen is arranged on one side of the water receiving pipe (512) relative to the through hole (21), and the filter screen is made of stainless steel wire.

5. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 4, characterized in that: The ventilation and moisture exhausting member includes a lower protection pipe (52) arranged in the protective frame (4) and relative to the lower pressing frame (3), and a connecting pipe head (5220) arranged at one end of the lower protection pipe (52). The connecting pipe head (5220) penetrates through the protective frame (4) and is arranged outside the protective frame (4). The connecting pipe head (5220) is connected to the air outlet of the fresh air system in the room. Ventilation holes are uniformly arranged on the lower protection pipe (52).

6. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 5, characterized in that: The connection component includes first connection wing edges (511) respectively arranged on both sides of the upper protection pipe (51), second connection wing edges (521) arranged on both sides of the lower protection pipe (52), connection protrusions (5211) uniformly arranged at one end of the second connection wing edges (521) relative to the first connection wing edges (511), and connection grooves arranged on the first connection wing edges (511) and adapted to the connection protrusions (5211).

7. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 6, characterized in that: A connecting support plate (42) and a connecting screw (420) connected to the connecting support plate (42) are fixedly arranged in the protection frame (4). The connecting screw (420) sequentially passes through the second wing edge and the first connecting wing edge (511) and is connected to the connecting support plate (42). A connecting hole adapted to the connecting screw (420) is arranged on the connecting support plate (42).

8. The energy-saving glass curtain wall daylighting roof system with water guiding function according to claim 7, characterized in that: It further includes a stepped groove (40) arranged at the open end of the protection frame (4), a protection cover plate (41) connected to the stepped groove (40), and a fixing screw (411) arranged at the connection between the protection cover plate (41) and the stepped groove (40). The fixing screw (411) passes through and is connected to the protection cover plate (41) and the stepped groove (40). A fixing hole adapted to the fixing screw (411) is arranged on the stepped groove (40).

Citation Information

Patent Citations

  • Energy-saving type glass curtain wall daylighting roof system with water guiding function

    CN112982768A