CN218815972U - Curtain wall type aluminum-wood casement window profile with gauze - Google Patents

Curtain wall type aluminum-wood casement window profile with gauze Download PDF

Info

Publication number
CN218815972U
CN218815972U CN202222888848.5U CN202222888848U CN218815972U CN 218815972 U CN218815972 U CN 218815972U CN 202222888848 U CN202222888848 U CN 202222888848U CN 218815972 U CN218815972 U CN 218815972U
Authority
CN
China
Prior art keywords
wood
center pillar
frame
window
aluminum
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
Application number
CN202222888848.5U
Other languages
Chinese (zh)
Inventor
缪培友
张凯之
张强
陈久平
胡明江
甘周奇
闫伟峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liangmudao Door And Window Group Co ltd
Original Assignee
Liangmudao Door And Window Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liangmudao Door And Window Group Co ltd filed Critical Liangmudao Door And Window Group Co ltd
Priority to CN202222888848.5U priority Critical patent/CN218815972U/en
Application granted granted Critical
Publication of CN218815972U publication Critical patent/CN218815972U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22Glazing, e.g. vaccum glazing

Landscapes

  • Door And Window Frames Mounted To Openings (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The utility model relates to a door and window field discloses a take curtain formula aluminum-wood flat-open window section bar of screen, including compound window frame, compound center pillar, fixed fan and activity fan, compound window frame includes wooden window frame and aluminum window frame, and compound center pillar includes wooden center pillar and aluminium center pillar, and wooden center pillar is protruding type structure, the width of aluminium center pillar and the width adaptation of wooden center pillar bulge, and the aluminium center pillar is kept away from wooden center pillar one end and is equipped with the baffle unanimous with wooden center pillar width, and fixed fan is installed at wooden center pillar, in the space that baffle and spacing step enclose, installs the conversion frame in the compound window frame and the compound center pillar of activity fan both sides, and the screen window fan that can open is still installed to activity fan one side between conversion frame and the window frame. The utility model discloses a wood center pillar cooperation aluminium center pillar that sets up protruding type structure can realize pressing from both sides the effect of tight fixed fan, makes the wood center pillar compromise the effect of line ball to reduced the risk of deformation, simultaneously through the screen window fan, guaranteed aluminium-wood flat-open window beautifully with mosquito-proof worm effect.

Description

Curtain wall type aluminum-wood casement window profile with gauze
Technical Field
The utility model relates to a door and window field especially relates to a take curtain formula aluminum-wood flat-open window section bar of screen.
Background
The window structure of wood "outer aluminium in the aluminium wood flat-open window, outer aluminium indicates to be close to outdoor section bar and be the aluminum alloy material, interior wood indicates to be close to indoor section bar and be timber, and the glass of window is located between aluminum alloy section bar and the timber section bar, and the aluminium wood flat-open window has had wood door and window and aluminum alloy door and window's advantage concurrently, has realized that the window indoor face is pleasing to the eye, thermal-insulated, and the outdoor face is neat, firm, advantage such as dampproofing, belong to a novel door and window. However, the existing aluminum-wood casement window has various defects due to the influence of design: 1. the existing wood section has a dispersed structure and is formed by bonding a plurality of pieces of wood, so that the installation process is complicated, the bonded wood sections have deformation risks along with the increase of time, and a bonding seam can crack seriously, so that the attractiveness of a window is influenced; 2. the existing aluminum-wood casement window cannot be provided with a gauze, and even if the gauze is arranged, an external connection mode is adopted, so that the attractiveness of the window is greatly influenced; 3. the existing timber section has low structural strength and is difficult to deal with the use of large windows.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take curtain formula aluminum-wood flat-open window section bar of screen, this aluminum-wood flat-open window's timber section bar adopt whole root timber milling process to form for its structural strength is high, has adopted new structural design simultaneously, has solved the condition that can not install the screen in the current window.
The utility model aims at realizing through the following technical scheme:
the utility model provides a take curtain formula aluminum-wood flat-open window section bar of screen, includes the composite window frame, installs the compound center pillar in the composite window frame and installs the fixed fan and the activity fan between compound window frame and compound center pillar respectively, the composite window frame is including being close to indoor wooden window frame and being close to outdoor aluminium window frame, all processing on the lateral wall that wooden window frame and aluminium window frame are close to compound center pillar one side has the spacing step, the aluminium window frame passes through the screw and is connected with the wooden window frame, and the aluminium window frame outside is equipped with installs the buckle that shelters from the screw, compound center pillar includes wooden center pillar and aluminium center pillar, wooden center pillar is protruding type structure, the width of aluminium center pillar and the width adaptation of wooden center pillar bulge and the mutual leaned on connect, wooden center pillar keeps away from wooden one end and is equipped with the baffle unanimous with wooden center pillar width, be equipped with the screw that runs through aluminium center pillar and wooden center pillar are connected on the baffle, the buckle of parcel baffle is installed to the baffle outside, fixed fan is located the space that wooden center pillar, baffle and spacing step enclose, the activity fan is equipped with the space that the conversion between the wooden center pillar, the conversion window frame is installed between the aluminium window frame and the screen window frame, the conversion window frame is still installed between the aluminium window frame.
The movable sash comprises glass, a wood frame close to the interior of the house and an aluminum frame close to the exterior of the house, a step groove for accommodating the glass is processed on the side wall of the wood frame close to one side of the aluminum frame, and the aluminum frame fixes the glass in the step groove through screws.
The wood window frame, the wood center pillar and the wood frame are manufactured by milling the whole wood, the wood window frame, the wood center pillar and the wood frame are flush close to one indoor side, and the aluminum window frame and the aluminum center pillar are flush close to one outdoor side.
Locks are arranged on the movable sash and the screen sash.
When the screen window sash is arranged between the aluminum window frame and the aluminum center pillar, the section bar of the screen window sash is made of aluminum alloy materials.
And the conversion frame is provided with a sealing strip which can be abutted against the wood frame.
When the screen window sash is arranged between the wood window frame and the wood center pillar, the side wall of the screen window sash close to the indoor side is provided with the splicing batten.
The conversion frame comprises an inner frame body, an outer frame body and a bridge cut-off connecting the inner frame body and the outer frame body, the inner frame body is installed on a wood window frame or a wood center pillar, the outer frame body is installed on an aluminum window frame or an aluminum center pillar, and a wood pad frame for supporting a screen window sash is arranged on the wood window frame and the wood center pillar, which are far away from one side of the outer frame body, of the inner frame body.
The utility model provides a curtain wall formula aluminum-wood flat-open window section bar of taking gauze has beneficial effect is:
(1) The wood center pillar is provided with the convex structure, the step surfaces on two sides of the wood center pillar are matched with the aluminum center pillar to realize the effect of clamping and fixing the sash, so that the wood center pillar not only has the effect of supporting the casement window structure, but also has the effect of pressing a line, the complex installation process of the line pressing is avoided, the risk of deformation of the wood center pillar is reduced, meanwhile, by additionally arranging the conversion frame, hardware for installing the movable sash can be reserved, a screen sash can be installed between the composite window frame and the composite center pillar, and the attractiveness and the mosquito prevention effect of the aluminum-wood casement window are ensured;
(2) The screen window sashes are arranged on the side, close to the indoor side, of the movable window sash or the side, close to the outdoor side, of the movable window sash, matching can be carried out according to different use places, and during installation, the screen window sash can be arranged only by selecting the conversion frames in different shapes, so that the stock cost of a manufacturer is greatly reduced;
(3) Through adopting wooden window frame, wooden center pillar, wooden frame as main bearing structure, the heat preservation of window, thermal-insulated effect are guaranteed to the characteristics of usable timber section bar, and timber section bar is made through the mode of milling simultaneously, only needs mill out less partly raw materials on timber section bar and just can satisfy the installation, very big improvement ligneous utilization ratio.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a movable fan located near a room provided by an embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.
Fig. 3 is a cross-sectional view taken along line B-B of fig. 1.
Fig. 4 is a schematic structural view of a composite window frame and a composite center pillar according to an embodiment of the present invention.
Fig. 5 is an installation schematic diagram of the composite window frame, the composite center pillar, and the conversion frame provided by the embodiment of the present invention.
Fig. 6 is an installation schematic diagram of the movable fan provided by the embodiment of the present invention.
Fig. 7 is a schematic structural view of the movable fan located close to the outdoor according to the embodiment of the present invention.
Fig. 8 is a cross-sectional view taken along line C-C of fig. 7.
Fig. 9 is a cross-sectional view taken along line D-D of fig. 7.
Fig. 10 is an installation diagram of the conversion frame, the movable sash and the screen window sash according to the embodiment of the present invention.
Reference numerals: 1. a composite window frame; 11. a wooden window frame; 12. an aluminum window frame; 13. a limiting step; 2. compounding the middle column; 21. a wooden center post; 22. an aluminum center pillar; 23. a baffle plate; 3. a screw; 4. buckling the plate; 5. fixing the fan; 6. a movable fan; 61. glass; 62. a wood frame; 63. an aluminum frame; 64. a step groove; 7. converting a frame; 71. an inner frame body; 72. an outer frame body; 73. breaking the bridge; 74. a wood pad frame; 75. a seal strip; 8. a screen window sash; 81. splicing the wood strips; 9. a lock is provided.
Detailed Description
Example 1
As shown in fig. 1 to 6, the curtain wall type aluminum-wood casement window profile with a screen provided in this embodiment includes a composite window frame 1, a composite center pillar 2 installed in the composite window frame 1, and a fixed sash 5 and a movable sash 6 respectively installed between the composite window frame 1 and the composite center pillar 2, wherein the composite window frame 1 includes a wood window frame 11 close to the interior and an aluminum window frame 12 close to the exterior, the side walls of the wood window frame 11 and the aluminum window frame 12 close to one side of the composite center pillar 2 are both processed with a limiting step 13, the limiting step 13 forms a notch of the window frame, the aluminum window frame 12 is connected with the wood window frame 11 through a screw 3, in order to improve the stability of the connection, the screw 3 can be screwed into the window frame from multiple directions at different angles to ensure the stability of the connection, a buckle 4 installed with a shielding screw 3 is provided on the outer side of the aluminum window frame 12, the buckle 4 can ensure the attractive appearance of the window frame, the composite center post 2 comprises a wood center post 21 and an aluminum center post 22, the wood center post 21 is of a convex structure, the width of the aluminum center post 22 is matched with the width of the protruding part of the wood center post 21 and is connected with the protruding part of the wood center post 21 in an abutting mode, a baffle plate 23 consistent with the width of the wood center post 21 is arranged at one end, away from the wood center post 21, of the aluminum center post 22, the inner wall of the convex wood center post 21 and the baffle plate 23 form a notch of the center post, the protruding part of the wood center post 21 is combined with the function of pressing a line on a traditional window, the composite center post 2 integrates the function of supporting the window and the function of pressing the line, in order to guarantee the consistency of the window, the notch on the window frame is aligned with the notch on the center post, a screw 3 penetrating through the aluminum center post 22 and connected with the wood center post 21 is arranged on the baffle plate 23, a buckling plate 4 wrapping the baffle plate 23 is arranged on the outer side, the buckling plate 4 can guarantee the clean appearance of the aluminum center post 22, and tidy appearance of the aluminum center post 5 is arranged on the wood center post 21, in the space that baffle 23 and spacing step 13 enclose, activity fan 6 is located the wooden center pillar 21 of opposite side, in the space that baffle 23 and spacing step 13 enclose, in order to guarantee the pleasing to the eye of activity fan 6, activity fan 6 includes glass 61, is close to indoor wooden frame 62 and is close to outdoor aluminium frame 63, processing has the step groove 64 that holds glass 61 on the lateral wall that wooden frame 62 is close to aluminium frame 63 one side, aluminium frame 63 fixes glass 61 in step groove 64 through screw 3, because activity fan 6 can open, be equipped with the conversion frame 7 that supports activity fan 6 on the compound window frame 1 of activity fan 6 both sides and the compound center pillar 2, the installation space of hardware can be guaranteed to conversion frame 7, and conversion frame 7 is close to outdoor one side and flushes with aluminium window frame 12 and aluminium center pillar 22 simultaneously, has guaranteed the pleasing to the eye of flat-open window appearance, simultaneously, in order to realize opening the mosquito-proof worm effect when activity fan 6, the screen window sash 8 that can open still is installed between conversion frame 7 that activity fan 6 is close to outdoor one side and the window frame, screen window 8 installation aluminium center pillar 22 between screen window frame.
Because the composite window frame 1 and the composite central column 2 do not use the bridge cut-off 73, in order to ensure the sound insulation and heat insulation effects of the aluminum-wood casement window, the wood window frame 11, the wood central column 21 and the wood frame 62 are all made by milling the whole wood, the thicknesses of the wood window frame 11, the wood central column 21 and the wood frame 62 are greater than those of the aluminum window frame 12, the aluminum central column 22 and the aluminum frame 63, and the structural strength of the wood profile can be ensured by the wood profile with large thickness, so that the stability of the window is ensured; meanwhile, in order to ensure the sound insulation effect of the aluminum-wood casement window, the conversion frame 7 is provided with a sealing strip 75 which can be abutted against the wood frame 62, so that the transmission of noise can be effectively blocked under the action of the wood frame 62 and the sealing strip 75; in addition, in order to make the aluminum-wood casement window more attractive, the wood window frame 11, the wood center pillar 21 and the wood frame 62 are flush close to one indoor side, the aluminum window frame 12 and the aluminum center pillar 22 are flush close to one outdoor side, and the aluminum window frame and the aluminum center pillar 22 have the advantages that the outer leakage lines of the window can be located in the same plane, so that the window is simpler.
In order to ensure safety, as shown in fig. 2, the movable sash 6 and the screen window sash 8 are both provided with a lock 9, the lock 9 on the movable sash 6 is arranged on the side wall of the wood frame 62 close to one side of the indoor space, and the lock 9 on the screen window sash 8 is arranged on the inner side of the section bar of the screen window sash 8, so that the gap between the movable sash 6 and the screen window sash 8 can be reduced, the thickness of the aluminum-wood casement window is prevented from being increased, and the opening directions of the movable sash 6 and the screen window sash 8 are both towards indoor opening.
Because the screen window sash 8 is arranged on one side close to the outdoor, in order to ensure the service life of the screen window sash 8, the section bar of the screen window sash 8 is made of aluminum alloy materials.
Example 2
As shown in fig. 4 and fig. 7 to 10, in this embodiment, basically the same as embodiment 1, only the positions of the movable sash 6 and the screen sash 8 are changed, at this time, the screen sash 8 is located on the indoor side and installed between the wood window frame 11 and the wood center pillar 21, the movable sash 6 is installed on the outdoor side, and since the positions of the screen sash 8 and the movable sash 6 are changed, the corresponding conversion frame 7 for supporting the screen sash 8 also needs to be adjusted adaptively, the conversion frame 7 includes an inner frame 71, an outer frame 72, and a bridge 73 connecting the inner frame 71 and the outer frame 72, the inner frame 71 is installed on the wood window frame 11 or the wood center pillar 21, the outer frame 72 is installed on the aluminum window frame 12 or the aluminum center pillar 22, and the wood window frame 11 on the side of the inner frame 71 away from the outer frame 72 and the wood center pillar 21 are provided with a wood pad frame 74 for supporting the screen sash 8; because the length of the screen window sash 8 is in a closed state, the movable window sash 6 needs to be opened towards the outside, and a broken bridge 73 structure needs to be used on the movable window sash 6 in order to ensure the indoor sound and heat insulation effect; in addition, the positions of the locks 9 on the movable sash 6 and the screen window sash 8 need to be changed, namely, the lock 9 on the screen window sash 8 faces the indoor space, and the lock 9 on the movable sash 6 is positioned on the inner side of the wood frame 62.
As shown in fig. 8, since the screen window sash 8 is installed indoors, in order to be adapted to the wood profiles of the wood window frame 11 and the wood center pillar 21, when the screen window sash 8 is installed between the wood window frame 11 and the wood center pillar 21, a splicing wood strip 81 is installed on a side wall of the screen window sash 8 near the indoor side.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims (8)

1. The utility model provides a take curtain formula aluminum-wood flat-open window section bar of gauze, includes compound window frame, installs the compound center pillar in compound window frame and install fixed fan and the activity fan between compound window frame and compound center pillar respectively, its characterized in that: the composite window frame comprises a wood window frame close to the interior of a room and an aluminum window frame close to the exterior of the room, a limiting step is processed on the side wall of one side of the wood window frame and the aluminum window frame close to the composite center pillar, the aluminum window frame is connected with the wood window frame through a screw, a buckling plate for shielding the screw is arranged on the outer side of the aluminum window frame, the composite center pillar comprises a wood center pillar and an aluminum center pillar, the wood center pillar is of a convex structure, the width of the aluminum center pillar is matched with the width of the convex part of the wood center pillar and is connected with the convex part of the wood center pillar in an abutting mode, a baffle which is consistent with the width of the wood center pillar is arranged at one end, away from the wood center pillar, of the aluminum center pillar, a screw which runs through the aluminum center pillar and is connected with the wood center pillar is arranged on the baffle, the buckling plate for wrapping the baffle is arranged on the outer side of the baffle, a fixed sash is arranged in a space surrounded by the wood center pillar, the baffle and the limiting step, a conversion frame for supporting the movable sash is arranged on the composite window frame and arranged between the aluminum center pillar and the conversion frame, and the openable window sash.
2. The curtain wall type aluminum-wood casement window profile with the gauze element according to claim 1, characterized in that: the movable sash comprises glass, a wood frame close to the interior of the house and an aluminum frame close to the exterior of the house, a step groove for accommodating the glass is processed on the side wall of the wood frame close to one side of the aluminum frame, and the aluminum frame fixes the glass in the step groove through screws.
3. The curtain wall type aluminum-wood casement window profile with the screen according to claim 2, characterized in that: the wood window frame, the wood center pillar and the wood frame are manufactured by milling the whole wood, the wood window frame, the wood center pillar and the wood frame are flushed on one side close to the indoor space, and the aluminum window frame and the aluminum center pillar are flushed on one side close to the outdoor space.
4. The curtain wall type aluminum-wood casement window profile with the gauze screen according to claim 3, characterized in that: locks are arranged on the movable sash and the screen sash.
5. The curtain wall type aluminum-wood casement window profile with the gauze according to claim 4, characterized in that: when the screen window sash is arranged between the aluminum window frame and the aluminum center pillar, the section bar of the screen window sash is made of aluminum alloy materials.
6. The curtain wall type aluminum-wood casement window profile with the gauze according to claim 5, characterized in that: and the conversion frame is provided with a sealing strip which can be abutted against the wood frame.
7. The curtain wall type aluminum-wood casement window profile with the gauze according to claim 4, characterized in that: when the screen window sash is arranged between the wood window frame and the wood center pillar, the side wall of the screen window sash close to the indoor side is provided with the splicing batten.
8. The curtain wall type aluminum-wood casement window profile with the gauze element according to claim 7, characterized in that: the conversion frame comprises an inner frame body, an outer frame body and a bridge cut-off connecting the inner frame body and the outer frame body, the inner frame body is installed on a wood window frame or a wood center pillar, the outer frame body is installed on an aluminum window frame or an aluminum center pillar, and a wood pad frame for supporting a screen window sash is arranged on the wood window frame and the wood center pillar, which are far away from one side of the outer frame body, of the inner frame body.
CN202222888848.5U 2022-10-31 2022-10-31 Curtain wall type aluminum-wood casement window profile with gauze Active CN218815972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222888848.5U CN218815972U (en) 2022-10-31 2022-10-31 Curtain wall type aluminum-wood casement window profile with gauze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222888848.5U CN218815972U (en) 2022-10-31 2022-10-31 Curtain wall type aluminum-wood casement window profile with gauze

Publications (1)

Publication Number Publication Date
CN218815972U true CN218815972U (en) 2023-04-07

Family

ID=87264390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222888848.5U Active CN218815972U (en) 2022-10-31 2022-10-31 Curtain wall type aluminum-wood casement window profile with gauze

Country Status (1)

Country Link
CN (1) CN218815972U (en)

Similar Documents

Publication Publication Date Title
CN111119670A (en) Inner/outer double-plane heat insulation bridge-cut-off casement window
CN218815972U (en) Curtain wall type aluminum-wood casement window profile with gauze
CN212271982U (en) Aluminum-wood window with safety guardrail
CN211647790U (en) Inner/outer double-plane heat insulation bridge-cut-off casement window
CN110905345A (en) Internal/external-open heat-insulation bridge-cut-off window and screen integrated window
CN210948237U (en) Inward casement window combined with corner window
CN212249688U (en) Hidden hinge window system
CN213175381U (en) Steel-aluminum composite heat-insulation fireproof window
CN210343049U (en) Frame-sash parallel-level type concealed-sash wood-aluminum composite inward opening window structure
CN211647784U (en) Internal/external-open heat-insulation bridge-cut-off window and screen integrated window
CN219158871U (en) Archaize window screening window lattice strip integrated structure
CN112878559A (en) Unit curtain wall system with built-in hinge opening sash of wire and installation process of unit curtain wall system
CN220726101U (en) Narrow frame wood-aluminum composite inward-opening window structure
CN214007001U (en) Multiple sealed three-glass inward-opening and inward-falling energy-saving soundproof window
JP2844320B2 (en) Window frame of sliding window
CN219808900U (en) Solid wood hidden fan flush inward-opening window
CN104775711A (en) Aluminium-clad wood outward-opening door or window system
JP2832802B2 (en) Window frame
CN218092685U (en) Curtain wall outward casement window with screen window
CN220890048U (en) Hidden tripe hinge door structure
CN110409681A (en) A kind of method of construction of curtain wall window
CN219808901U (en) Hidden-leaf outward-opening solid wood window
CN216043335U (en) Dispose aluminium of interior division of metal mesh screen window and wrap wooden swinging-out casement window
CN218177089U (en) Double-deck aluminum alloy window of making an uproar falls gives sound insulation
CN216517519U (en) Semi-hidden frame inner flat-open bottom-hung window

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A curtain wall type aluminum wood casement window profile with mesh

Granted publication date: 20230407

Pledgee: Chengdu SME financing Company Limited by Guarantee

Pledgor: Liangmudao door and window Group Co.,Ltd.

Registration number: Y2024980005642

PE01 Entry into force of the registration of the contract for pledge of patent right