CN218292393U - Invisible joint of opening sash of special-shaped glass curtain wall - Google Patents
Invisible joint of opening sash of special-shaped glass curtain wall Download PDFInfo
- Publication number
- CN218292393U CN218292393U CN202222412947.6U CN202222412947U CN218292393U CN 218292393 U CN218292393 U CN 218292393U CN 202222412947 U CN202222412947 U CN 202222412947U CN 218292393 U CN218292393 U CN 218292393U
- Authority
- CN
- China
- Prior art keywords
- frame
- glass
- opening
- curtain wall
- opening sash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Bearing And Curtain Walls (AREA)
Abstract
The utility model provides a stealthy node of fan is opened to shaped glass curtain wall, it has solved the relatively poor scheduling problem of the outside fan window installation adaptability of shaped glass curtain wall, and it is connected with frame set spare through glass frame set spare including opening a frame, opening a frame outside, is provided with the compensation frame between glass frame set spare and the frame set spare, opens a frame and is connected with glass window board subassembly through the hinge subassembly, and glass window board subassembly has the cavity toughened glass with the laminating of glass frame set spare. The smooth transition between the glass frame plate component and the frame component is realized through the compensation frame, and meanwhile, the hollow toughened glass on the glass window plate component covers the glass frame plate component. The utility model has the advantages of good adaptability, stable structure, etc.
Description
Technical Field
The utility model belongs to the technical field of glass curtain wall, concretely relates to stealthy node of fan is opened to shaped glass curtain wall.
Background
Modern buildings, in particular large commercial buildings with the emphasis on exhibition and internal permeability and public building facades with cultural attributes pursue a transparent effect, glass curtain walls are used in large areas in facade design, the shapes of the glass curtain walls are enriched, and special-shaped and inclined glass curtain walls or facade textures are used in the design more intensely. Due to the requirements of current design specifications such as building ventilation, building smoke prevention and exhaust and gas kitchen explosion venting, the permeability and the simplicity of the whole vertical face cannot be influenced by various opening windows on the glass curtain wall, the glass curtain wall is usually provided with a casement window, a horizontal sliding window, an upper hung window, a lower hung window, a vertical rotating window and the like in the opening mode, and the opening mode is usually manual opening, linkage mechanical opening or electric opening. The opening fan has different forms, which causes different calculation modes of related effective smoke exhaust area and effective ventilation area. In the domestic engineering practice, the conventional rectangular-divided straight-face curtain wall can already realize the opening sash with a whole face and a large block and no frame, but the special-shaped curtain wall or inclined-face glass curtain wall opening sash cannot be provided with a special-shaped structure frame part due to the limits of the specification on safety, the limits of material technology and the consideration of convenience for use by people, a plurality of projects in the engineering practice adopt complicated special-shaped glass modeling and facade division for an entrance space with identification on a building facade and a display node, the opening sash is arranged at the positions as far as possible by technical measures or communication channels, but the effectiveness is not ensured often. If the opening fan-shaped state can be made to conform to the shape of the special-shaped glass, the integral style is ensured to be uniform, and then the problems can be caused: if a rule is added into the abnormal elevation vocabulary, the whole elevation style is damaged by opening the fan; the regular division on the special-shaped vertical face can increase components and increase the cost; the special-shaped opening fan is inconvenient for people to use; when the curtain is the inclined plane, the special-shaped fan of opening sends the security relatively poor, easily drops.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a new hidden frame curtain wall opening fan structure [201510833548.9], which includes a frame, a fan frame and hollow glass; the frame is matched and fixedly installed with the fan frame; the hollow glass is arranged in parallel with the fan frame; glass protecting edges are arranged at the contact positions of the two end parts of the hollow glass and the fan frame; and a water batching adhesive tape is arranged on the glass protective edge.
Above-mentioned scheme has solved the problem that current curtain wall fan window easily takes place to drop to a certain extent, but this scheme still has a lot of not enough, for example to the poor scheduling problem of special-shaped curtain wall installation adaptability.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a reasonable in design, open a stealthy node to the good special-shaped glass curtain wall of special-shaped glass curtain wall adaptability.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a stealthy node of fan is opened to special-shaped glass curtain wall, is connected with frame set spare through glass frame board subassembly including opening a frame, opens a frame outside, is provided with the compensation frame between glass frame board subassembly and the frame set spare, opens a frame and is connected with glass window board subassembly through the hinge subassembly, and glass window board subassembly has the cavity toughened glass with the laminating of glass frame board subassembly. The smooth transition between the glass frame plate component and the frame component is realized through the compensation frame, and meanwhile, the hollow toughened glass on the glass window plate component covers the glass frame plate component. When the glass window plate assembly is separated from the opening sash frame through the hinge assembly, the opening sash frame can still be kept in a hidden state, the overall appearance of the outside of the special-shaped glass curtain wall is not influenced, and the window mounting structure is suitable for window mounting of different special-shaped glass curtain walls.
In the invisible joint of the opening sash of the special-shaped glass curtain wall, the upper end and the lower end of the opening sash frame are respectively connected with the frame assembly, and the two sides of the opening sash frame are respectively connected with the frame assembly or the compensation frame through the glass frame plate assembly. The frame component supports the whole special-shaped glass curtain wall, and the glass frame plate component provides good support stability for the opening sash frame.
In the invisible joint of the opening sash of the special-shaped glass curtain wall, the glass frame plate component comprises aluminum alloy corner connectors which are respectively connected with the opening sash frame and the frame component, and half-frame upright posts are sleeved on the outer sides of the aluminum alloy corner connectors; the opposite sides of the half-frame upright posts are provided with groove bodies and are sealed by sealing plates, one outward side of each half-frame upright post is connected with a pressing strip through a threaded piece, mounting strips are compressed and fixed between the pressing strips and the half-frame upright posts, and hollow toughened glass is respectively installed between the mounting strips in a fitting manner. The glass frame plate assembly avoids the direct contact of the glass window plate assembly and the frame assembly, and the hollow toughened glass fixed by the glass frame plate assembly and the hollow toughened glass of the glass window plate assembly are externally integrated, so that the overall attractiveness of the glass curtain wall is improved.
In the invisible joint of the opening sash of the special-shaped glass curtain wall, the gap between the hollow toughened glass and the frame assembly between the mounting bars is filled with the adhesive tape. The hollow toughened glass of the glass frame plate component and the frame component are sealed after being closed through the adhesive tape, and the waterproof effect of the window is guaranteed.
In foretell invisible node of a section of glass curtain wall opening fan, the frame subassembly includes the aluminum alloy stand, and the aluminum alloy stand upper and lower extreme is connected with the crossbeam respectively, and the aluminum alloy stand is connected with the frame strip through the screw, compresses tightly through the adhesive tape respectively between aluminum alloy stand and the frame strip both sides and is fixed with curb plate and cavity toughened glass. The frame opening in the frame component can be in an inclined state to meet the installation requirement of the special-shaped glass, and adaptive assembly is realized through the compensation frame and the opening fan frame.
In foretell a stealthy node of special-shaped glass curtain wall opening fan, the glass window board subassembly includes main window board, and main window board has spacing mounting panel through round pin hub connection, is provided with the step face between spacing mounting panel and the main window board and just laminates fixedly through glue film and cavity toughened glass. When the main window plate of the glass window plate assembly is in a closed state, the main window plate is opposite to the inner side of the opening sash frame, a containing space of a hinge assembly is reserved between the main window plate and the opening sash frame, and meanwhile, the hollow toughened glass on the outer side and the glass frame plate assembly have a good attaching effect.
In foretell a special-shaped glass curtain wall opens a stealthy node, open and be fixed with the adhesive tape relative with the main luffer board on the fan frame, the spacing mounting panel is fixed with the adhesive tape relative with glass frame plate subassembly. The glazing panel assembly is sealed to the glazing frame panel assembly and to the opening sash by means of adhesive strips.
In the invisible joint of the opening sash of the special-shaped glass curtain wall, the hinge assembly comprises X-shaped opening hinges which are movably connected between the opening sash frame and the glass window panel assembly, and the opening hinges are arranged at the upper end, the lower end and the two sides of the opening sash frame and the glass window panel assembly in pairs. The cooperation of multiunit hinge subassembly guarantees the activity stability of glass luffer board subassembly, avoids it to take place to drop.
In foretell invisible node of fan is opened to shaped glass curtain wall, open and be provided with the window lock between fan frame and the glass luffer board subassembly both sides respectively, open the fan frame inboard and be provided with the handle of being connected with the window lock.
In foretell a stealthy node of shaped glass curtain wall opening fan, the hollow toughened glass that the glass luffer board subassembly is connected has the glass dangling limit that extends towards both sides, and glass dangling limit covers the glass framed panel subassembly completely. The glass suspension edge of the hollow toughened glass completely covers the glass frame plate assembly and is adaptive to the frame opening of the frame assembly, so that the ventilation is not influenced, and the external appearance is ensured.
Compared with the prior art, the utility model has the advantages of: the frame component realizes the fixed installation of the opening sash frame through the glass frame plate component and the compensation frame, and the glass window plate component which can be opened separately is suitable for the opening and closing of the special-shaped glass and has better adaptability to the special-shaped glass curtain wall; the opening sash, the glass frame plate component, the frame component and the glass window plate component are sealed by adhesive tapes, so that the sealing and waterproof effects of a glass curtain wall window are ensured; the hinge assembly has multiple sets of opening hinges which improve the stability of the glazing panel assembly.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is a structural sectional view from another perspective of the present invention;
fig. 3 is a partial cross-sectional view of the present invention;
fig. 4 is another partial cross-sectional view of the present invention;
fig. 5 is a schematic structural view of the frame assembly of the present invention;
in the figure, an opening fan frame 1, a glass frame plate component 2, an aluminum alloy corner brace 21, a half-frame upright post 22, a sealing plate 23, a pressing strip 24, a mounting strip 25, a frame component 3, an aluminum alloy upright post 31, a cross beam 32, a frame strip 33, a side plate 34, a compensation frame 4, a hinge component 5, an opening hinge 51, a glass window plate component 6, a main window plate 61, a limit mounting plate 62, a window lock 7, a handle 71 and a glass suspension edge 72.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the invisible joint of the opening fan of the shaped glass curtain wall comprises an opening fan frame 1 made of aluminum alloy materials, and the surface of the opening fan frame is sprayed with powder. The outer side of the opening fan frame 1 is connected with the frame component 3 through the glass frame plate component 2, the compensation frame 4 made of aluminum alloy materials is arranged between the glass frame plate component 2 and the frame component 3, when the compensation frame 4 is located at a folding angle of the frame component 3, the cross section of the compensation frame is generally triangular and hollow, and the compensation frame 4 is connected and fixed with the frame component 3 through a threaded part. The complete separation of the glazing panel assembly 6 from the opening sash 1 is achieved by the opening sash 1 being connected to the glazing panel assembly 6 by a hinge assembly 5, and the flow of air from the inside and outside can be through the gap between the opening sash 1 and the glazing panel assembly 6. The glass window plate assembly 6 is provided with hollow toughened glass attached to the glass frame plate assembly 2, and when the glass window plate assembly 6 is opened and the sash frame 1 is contracted and closed relatively, the hollow toughened glass on the outer side is kept consistent with the hollow toughened glass fixed by the frame assembly 3, so that the external integrity of the special-shaped glass curtain wall is maintained.
As shown in fig. 2, the upper and lower ends of the opening sash frame 1 are directly connected and fixed with the frame assembly 3 through screws, and the upper and lower ends are kept stable in installation through the slots and the clamping strips which are inserted into each other. The two sides of the opening fan frame 1 are respectively connected with the frame component 3 or the compensation frame 4 through the glass frame plate component 2. When the opening fan frame 1 is positioned at the corner of the special-shaped glass curtain wall, the compensation frame 4 is required to close and compensate the gap between the compensation frame 4 and the compensation frame 4 on one side of the opening fan frame.
As can be seen from fig. 3, the glass frame plate assembly 2 comprises an aluminum alloy corner brace 21 respectively connected with the opening fan frame 1 and the frame assembly 3, and a steel half-frame upright post 22 is sleeved outside the aluminum alloy corner brace 21 to realize vertical fixation with the frame assembly 3; the half-frame posts 22 have slots on opposite sides and are closed by closure plates 23, the closure plates 23 serving to keep the surface of the glass panel assembly 2 smooth. One side of the half-frame upright post 22 facing outwards is connected with a pressing strip 24 through a threaded part, mounting strips 25 are fixedly compressed between the pressing strip 24 and the half-frame upright post 22, and hollow toughened glass is respectively attached and mounted between the mounting strips 25. When the hollow toughened glass needs to be disassembled, the threaded parts of the pressing strips 24 on the outer sides of the half-frame upright posts 22 are disassembled, and the mounting strips 25 and the hollow toughened glass are disassembled and mounted together.
Further, adhesive tapes are filled in the gap between the hollow toughened glass between the mounting bars 25 and the frame assembly 3. The edge of the hollow toughened glass fixed by the glass frame plate component 2 is sealed with the frame component 3 by the adhesive tape, so that external rainwater is prevented from invading the glass frame plate component 2.
The frame assembly 3 is shown in fig. 5 and includes aluminum alloy columns 31, and the aluminum alloy columns 31 on both sides are normally kept in an inclined state. The upper end and the lower end of the aluminum alloy upright column 31 are respectively connected with a parallel beam 32, the aluminum alloy upright column 31 is connected with a frame strip 33 through a threaded part, and a side plate 34 and hollow toughened glass are respectively compressed and fixed between the two sides of the aluminum alloy upright column 31 and the two sides of the frame strip 33 through adhesive tapes. The frame component 3 supports the hollow toughened glass on the glass curtain wall, and the fixed assembly of the hollow toughened glass on the outer layer of the building is realized. The frame strips 33 apply pressure to the hollow toughened glass to fix the moment, and meanwhile, the joint tightness of the hollow toughened glass is ensured by the adhesive tapes.
In addition, the glass window board assembly 6 comprises a main window board 61 as shown in fig. 3, the main window board 61 is connected with a limit mounting board 62 through a pin shaft, and a step surface is arranged between the limit mounting board 62 and the main window board 61 and is fixed with the hollow toughened glass in an attaching manner through a glue layer. The main window panel 61 has a rectangular frame structure, and has an L-shaped cross section. The limiting mounting plate 62 is fixed at the end of the main window plate 61 and opposite to the end face and the side face of the hollow toughened glass, and the joint is fixed through adhesion of an adhesive.
Meanwhile, the opening fan frame 1 is fixed with a rubber strip opposite to the main window plate 61, and the limiting mounting plate 62 is fixed with a rubber strip opposite to the glass frame plate component 2. The adhesive tape connected with the opening sash frame 1 mainly realizes the sealing and buffering effects on the main window plate 61, and avoids the direct collision between the main window plate 61 and the opening sash frame 1 when the main window plate is closed. The adhesive tape outside the limiting mounting plate 62 is in contact with the glass frame plate component 2, so that rainwater is prevented from permeating between the glass frame plate component 2 and the frame component 3.
As shown in fig. 2-3, the hinge assembly 5 comprises an opening hinge 51 movably connected between the opening sash frame 1 and the glazing panel assembly 6 and having an X shape, the opening hinge 51 being arranged in pairs at upper and lower ends and at both sides of the opening sash frame 1 and the glazing panel assembly 6. Two opening hinges 51 are fixed to each side of the opening sash frame 1 and the glazing panel assembly 6, each opening hinge 51 extending synchronously to maintain the glazing panel assembly 6 parallel relative to the opening sash frame 1.
Obviously, a window lock 7 is respectively arranged between the opening fan frame 1 and the two sides of the glass window board assembly 6, and a handle 71 connected with the window lock 7 is arranged on the inner side of the opening fan frame 1. The window lock 7 and the handle 71 are symmetrically arranged relative to the opening sash frame 1 and the window pane assembly 6, respectively, and both sides of the opening sash frame 1 are locked respectively.
Preferably the hollow tempered glass to which the glazing panel assembly 6 is attached has a glass overhang 72 extending towards both sides. The hollow toughened glass comprises an inner glass plate and an outer glass plate which are arranged in a stacked mode, and the edge of a cavity between the inner glass plate and the outer glass plate is sealed through a rubber strip. The glass overhangs 72 extend outwardly along the outer glass sheets to completely cover the glass panel assembly 2. Meanwhile, argon is filled in the hollow toughened glass.
In summary, the principle of the present embodiment is: open fan frame 1 and fix in frame subassembly 3's frame mouth, both sides are sealed through glass frame plate subassembly 2 and compensation frame 4, are applicable to the assembly of opening fan frame 1 of shaped glass curtain wall, and glass frame plate subassembly 2 realizes the wholeness separation through hinge subassembly 5, and cavity toughened glass seals opening fan frame 1 inside frame mouth all the time under opening and the closed condition to guarantee the outside wholeness of shaped glass curtain wall.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the opening sash frame 1, the glass frame panel assembly 2, the aluminum alloy corner bracket 21, the half-frame pillar 22, the closing plate 23, the bead 24, the mounting bar 25, the frame assembly 3, the aluminum alloy pillar 31, the cross member 32, the frame strip 33, the side plate 34, the compensation frame 4, the hinge assembly 5, the opening hinge 51, the window panel assembly 6, the main window panel 61, the limit mounting plate 62, the window lock 7, the handle 71, the glass hanging edge 72, etc., are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides an invisible node of special-shaped glass curtain wall opening sash, is including opening sash frame (1), opening sash frame (1) the outside and be connected with frame subassembly (3) through glass frame plate subassembly (2), its characterized in that, glass frame plate subassembly (2) and frame subassembly (3) between be provided with compensation frame (4), opening sash frame (1) be connected with glass window board subassembly (6) through hinge subassembly (5), glass window board subassembly (6) have the cavity toughened glass of laminating with glass frame plate subassembly (2).
2. The invisible joint of the opening sash of the special-shaped glass curtain wall as claimed in claim 1, wherein the upper end and the lower end of the opening sash frame (1) are respectively connected with the frame component (3), and two sides of the opening sash frame (1) are respectively connected with the frame component (3) or the compensation frame (4) through the glass frame plate component (2).
3. The invisible joint of the opening sash of the special-shaped glass curtain wall as claimed in claim 2, wherein the glass frame plate assembly (2) comprises aluminum alloy corner connectors (21) respectively connected with the opening sash frame (1) and the frame assembly (3), and half-frame upright posts (22) are sleeved on the outer sides of the aluminum alloy corner connectors (21); half frame stand (22) opposite side have the cell body and seal by shrouding (23), half frame stand (22) one side outwards be connected with layering (24) through the screw thread spare, layering (24) and half frame stand (22) between compress tightly and be fixed with mounting bar (25), mounting bar (25) between laminate respectively and install cavity toughened glass.
4. The invisible joint of the shaped glass curtain wall opening sash according to claim 3, wherein a gap between the hollow toughened glass and the frame component (3) between the mounting bars (25) is filled with adhesive tapes.
5. The invisible joint of the shaped glass curtain wall opening sash according to claim 1, wherein the frame assembly (3) comprises aluminum alloy upright posts (31), the upper end and the lower end of each aluminum alloy upright post (31) are respectively connected with a cross beam (32), each aluminum alloy upright post (31) is connected with a frame strip (33) through a threaded part, and a side plate (34) and hollow toughened glass are respectively and fixedly pressed between the two sides of each aluminum alloy upright post (31) and the two sides of each frame strip (33) through adhesive tapes.
6. The invisible joint of the shaped glass curtain wall opening sash according to claim 1, wherein the glass window panel assembly (6) comprises a main window panel (61), the main window panel (61) is connected with a limiting mounting plate (62) through a pin shaft, a step surface is arranged between the limiting mounting plate (62) and the main window panel (61), and the step surface is attached and fixed to the hollow toughened glass through a glue layer.
7. The invisible joint of the opening sash of the profiled glass curtain wall as claimed in claim 6, wherein the opening sash frame (1) is fixed with a rubber strip opposite to the main window panel (61), and the limiting mounting plate (62) is fixed with a rubber strip opposite to the glass frame panel assembly (2).
8. The invisible joint of an opening sash of a shaped glass curtain wall as claimed in claim 1, wherein the hinge assembly (5) comprises X-shaped opening hinges (51) movably connected between the opening sash frame (1) and the glazing panel assembly (6), and the opening hinges (51) are arranged in pairs at the upper and lower ends and at the two sides of the opening sash frame (1) and the glazing panel assembly (6).
9. The invisible joint of an opening fan of a shaped glass curtain wall as claimed in claim 1, wherein a window lock (7) is respectively arranged between the opening fan frame (1) and two sides of the glass window panel assembly (6), and a handle (71) connected with the window lock (7) is arranged on the inner side of the opening fan frame (1).
10. The invisible joint of the shaped glass curtain wall opening sash according to claim 1, wherein the hollow tempered glass to which the glass panel assembly (6) is connected has glass overhangs (72) extending towards both sides, and the glass overhangs (72) completely cover the glass panel assembly (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222412947.6U CN218292393U (en) | 2022-09-09 | 2022-09-09 | Invisible joint of opening sash of special-shaped glass curtain wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222412947.6U CN218292393U (en) | 2022-09-09 | 2022-09-09 | Invisible joint of opening sash of special-shaped glass curtain wall |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218292393U true CN218292393U (en) | 2023-01-13 |
Family
ID=84813245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222412947.6U Active CN218292393U (en) | 2022-09-09 | 2022-09-09 | Invisible joint of opening sash of special-shaped glass curtain wall |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218292393U (en) |
-
2022
- 2022-09-09 CN CN202222412947.6U patent/CN218292393U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2312616A1 (en) | Window assembly | |
CN204571738U (en) | A kind of wooden aluminium composite inward opening window of window screening one with waterproof, heat insulation performance | |
CN218292393U (en) | Invisible joint of opening sash of special-shaped glass curtain wall | |
CN107401352A (en) | Inside and outside double-deck fixed window and the combined heat insulated door and window of openable windows | |
EP3071775B1 (en) | Invisible window frame | |
CN211573165U (en) | External-reversing opening node suitable for large-angle smoke exhaust window | |
CN2777155Y (en) | Multi-functional external side-hung composite window | |
CN210439916U (en) | Steel fireproof window glass frame body glue sealing structure | |
CN209670715U (en) | A kind of high intensity ventilating window structure | |
CN220522420U (en) | Flat-open heat insulation window structure in unit type curtain wall with windowsill | |
CN207620630U (en) | A kind of adhesive type assembling structure door and window | |
CN205778205U (en) | Inside and outside double-deck fixed window and the combined heat insulated door and window of openable windows | |
CN210888617U (en) | Hinge type top-hung outward-opening window structure | |
CN220117982U (en) | Bridge-cutoff aluminum entrance door | |
CN218716169U (en) | Prevent wind effectual door and window | |
CN218644132U (en) | Opening fan with protective edge | |
CN215632512U (en) | Hidden frame and semi-hidden frame window opening device | |
CN100357563C (en) | Multifunctional external hinged assembled windows | |
CN211692080U (en) | Aluminum profile heat-insulation outward-opening window | |
CN214943570U (en) | Glass curtain wall sash opening and closing structure | |
CN216894049U (en) | Novel structure promotes push-and-pull door | |
CN212249685U (en) | Energy-saving flush door structure | |
CN215761334U (en) | Alloy window of hidden accessory frame | |
CN218029787U (en) | Casement-in sash aluminum-clad wood door and window integrating inward opening window and outward opening door | |
CN219316783U (en) | Concealed curtain wall opening fan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |