Combined door and window profile reinforced by low heat transfer structure

Abstract

The utility model relates to a combined door and window profile with a reinforced low heat transfer structure. The heat conductivity is reduced. The left and right lengthwise low-heat-transfer main support section bars are buckled together in a sealing manner through a hollow bracket sealing strip, and the front outdoor edge and the rear indoor edge of the left lengthwise low-heat-transfer main support section bar are respectively buckled with the front outdoor left wrapping head aluminum section bar and the rear indoor left wrapping head aluminum section bar; the right extending end of the front outdoor left wrapping head aluminum profile is in sealing buckling fit with a front outdoor right transverse long L-shaped hollowed-out sliding door and window sealing aluminum frame buckled and fixed to the front outdoor side of the right longitudinal low-heat-transfer main supporting profile through a sealing strip. And the rear indoor edge of the right lengthwise low-heat-transfer main support profile is buckled and fixed with a rear indoor right-wrapping-head hollow left-extending aluminum profile and is buckled and connected with a rear indoor right-extending hollow sliding door and window sealing aluminum frame together with the rear indoor right-wrapping-head hollow left-extending aluminum profile. The structure has the advantages that structural heat transfer is reduced while structural performance is guaranteed, and adaptability to installation, replacement and maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of combined door and window profiles, in particular to a kind of low heat transfer structure reinforced combined door and window profiles. BACKGROUND

[0002] The prior art document No. CN206246020U energy-saving PVC plastic steel door and window profile, including window frame (1) and sash (2), sash (2) is hinged on window frame (1), window frame (1) and sash (2) are made of plastic profile, glass mounting groove is provided on sash (2), hollow glass (3) is installed in glass mounting groove, characterized in that: window frame (1) is installed with sealing rubber strip A (5) and sealing rubber strip B (7), sash (2) is installed with sealing rubber strip C (4), three sealing rubber strips are embedded in groove (10), sealing rubber strip A (5) is arranged between the outer side of sash (2) and window frame (1), the edge of the contact surface of window frame (1) and sealing rubber strip A (5) is provided with long strip-shaped boss (6), after sash (2) and window frame (1) are closed, a closed space is formed at the joint of the two, sealing rubber strip B (7) is arranged in the middle part of the closed space, the opening of the groove (10) for installing sealing rubber strip B (7) is consistent with the opening of the groove (10) for installing sealing rubber strip A (5), sealing rubber strip C (4) is arranged between the inner side of window frame (1) and sash (2), sealing rubber strip C (4) and sealing rubber strip A (5) are the same structure, the edge of the contact surface of sash (2) and sealing rubber strip C (4) is also provided with long strip-shaped boss (6), the length direction of boss (6) is consistent with the length direction of plastic profile. The inside of window frame (1) and sash (2) is provided with steel skeleton (9) made of square tube, long strip-shaped protrusions (8) with triangular cross section are arranged on the inner wall of the inside of window frame (1) and sash (2) matched with steel skeleton (9), the length direction of long strip-shaped protrusions (8) is consistent with the length direction of plastic profile. The hollow glass (3) includes four layers of glass. This prior art still has deficiencies in heat insulation, and needs to be further strengthened in low heat transfer structure. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the above-mentioned defects of the prior art, and provides a kind of low heat transfer structure reinforced combined door and window profile. The combined door and window profile is specifically the door and window frame opening profile of the combined door and window consisting of door and window frame opening and door and window sash.

[0004] The utility model discloses a low heat transfer structure reinforced combination door and window section bar, which is characterized in that left and right longitudinal low heat transfer main support section bars are connected together through longitudinal hollow support and sealing strip transverse sealing fastening, the left longitudinal low heat transfer main support section bar is fastened with left head aluminum section bar outside the front room and left head aluminum section bar inside the back room respectively, the right extension end of the left head aluminum section bar outside the front room is fastened with right longitudinal low heat transfer main support section bar outside the front room through sealing strip transverse sealing fastening, and the right longitudinal low heat transfer main support section bar is fastened with right head hollow left extension aluminum section bar inside the back room and right extension hollow push-pull door and window sealing aluminum frame inside the back room together. The adjacent connecting pieces are vertically inserted and assembled. The longitudinal hollow support is preferably made of resin material, which is beneficial to reducing heat transfer compared with aluminum material. Different materials have low heat transfer, that is, low heat transfer from high thermal conductivity material to low thermal conductivity material, such as heat transfer between iron pot and wooden handle. The left and right longitudinal low heat transfer main support section bars are connected together through longitudinal hollow support and sealing strip transverse sealing fastening, which is beneficial to reducing horizontal heat transfer and facilitating installation, replacement and maintenance. The left longitudinal low heat transfer main support section bar is fastened with left head aluminum section bar outside the front room and left head aluminum section bar inside the back room respectively, which provides a firm foundation for further connection. The right extension end of the left head aluminum section bar outside the front room is fastened with right longitudinal low heat transfer main support section bar outside the front room through sealing strip transverse sealing fastening, which is beneficial to reducing heat transfer between the two section bars and facilitating disassembly and assembly while ensuring firm connection. The right longitudinal low heat transfer main support section bar is fastened with right head hollow left extension aluminum section bar inside the back room and right extension hollow push-pull door and window sealing aluminum frame inside the back room together, which is beneficial to improving the connection and support strength and facilitating disassembly and assembly while ensuring firm connection. The left extension end of the right head hollow left extension aluminum section bar inside the back room is fastened with left head aluminum section bar inside the back room through sealing strip transverse sealing fastening, which is beneficial to reducing heat transfer between the two section bars and facilitating installation, replacement and maintenance. While reducing heat transfer, installation, replacement and maintenance are more convenient, especially the replacement and maintenance of the right main part. The utility model has the advantages of reducing structural heat transfer while ensuring structural performance, reducing horizontal and indoor and outdoor longitudinal heat transfer, and significantly improving the adaptability of installation, disassembly, replacement and maintenance.

[0005] As an optimization, the right inner extension end of the right longitudinal low heat transfer main support section bar is fastened with the right longitudinal low heat transfer main support section bar outside the front room through sealing strip transverse sealing fastening, and the right front extension end of the right longitudinal low heat transfer main support section bar is fastened with the right longitudinal low heat transfer main support section bar outside the front room through sealing strip transverse sealing fastening. This can reduce heat transfer between the push-pull door and window leaf and ensure the support capacity of the push-pull door and window leaf.

[0006] As an optimization, the right part of the round pipe of the outdoor side sealing strip of the sliding door and window extends to the left and abuts against the left stretch convex arc arm on the right side of the right low heat transfer main support profile, and the front sealing right tooth row part of the indoor side sealing strip of the sliding door and window extends to the left and abuts against the left stretch arm on the right side of the right low heat transfer main support profile. The front sealing tooth row realizes multi-stage sealing and heat preservation, and the right part of the round pipe is beneficial to resisting strong outdoor wind and strong sealing. The left stretch convex arc arm and the left stretch wall can seal and prevent dust accumulation.

[0007] As an optimization, the left and right low heat transfer main support profiles are FPR profiles with resin as the main part of the outer periphery and fiber as the main part inside the outer periphery, which can guarantee the mechanism strength and durability and have low heat transfer performance; the sealing strip is a composite EPDM sealing strip, which has the advantages of aging resistance, dust prevention, water prevention, low smoke and flame retardance. The longitudinal hollow support is a whole or a three-section type composed of a middle section and front and rear end heads, and the three-section type is more convenient to disassemble and assemble, and the whole type has better structural strength.

[0008] As an optimization, the pack head is provided with left and right corner recesses and a middle recess at the two corner ends and the middle of the front and rear sides of the left low heat transfer main support profile, and the left section of the front outdoor left pack head aluminum profile and the front side of the rear indoor left pack head aluminum profile are respectively clamped and fixed with the left and right corner recesses and the middle recess through left and right middle inner clamps. The clamping strength can be significantly improved.

[0009] As an optimization, the left end of the rear indoor left pack head aluminum profile and the left end of the front outdoor left pack head aluminum profile respectively extend to the left and are provided with L-shaped hook heads for strengthening the fixed connection with the wall door and window opening end surface.

[0010] As an optimization, the middle convex part protrudes to the left at the middle part of the left side of the right low heat transfer main support profile, the right low heat transfer main support profile is provided with a plurality of recesses distributed in the longitudinal direction and corresponding to the middle convex part, the left side of the longitudinal hollow support is sealed and clamped with the recesses through a plurality of convex heads and a sealing strip, and the longitudinal hollow support is sealed and clamped with the middle convex part through a left recess and a sealing strip. This is beneficial to reducing the longitudinal and transverse heat transfer, and also beneficial to strengthening the compression resistance and support performance from right to left and facilitating installation, replacement and maintenance.

[0011] As an optimization, the left and right low heat transfer main support profiles are FPR profiles with resin as the main part of the outer periphery and fiber as the main part inside the outer periphery, which can guarantee the mechanism strength and durability and have low heat transfer performance; the front and rear corner parts of the middle convex part of the right low heat transfer main support profile extend to the right side and are provided with resin-based front transverse connecting reinforcing ribs and middle left opening V-shaped transverse connecting reinforcing ribs and rear transverse connecting reinforcing ribs; and the middle section of the left low heat transfer main support profile corresponding to the middle convex part is provided with resin-based at least front and rear middle multiple transverse connecting reinforcing ribs. The introduction of the reinforcing ribs can significantly improve the structural strength of the left and right main profiles, especially the longitudinal, transverse and oblique extrusion resistance.

[0012] As an optimization, the distance between the rear edge of the right longitudinal low-heat-conduction main support profile and the protrusion therein is greater than the distance between the front edge of the right longitudinal low-heat-conduction main support profile and the protrusion therein, and the right and left longitudinal low-heat-conduction main support profiles are arranged in a staggered manner. This facilitates installation, replacement and maintenance.

[0013] As an optimization, the front edge of the right longitudinal low-heat-conduction main support profile is provided with a plurality of transversely spaced clamping grooves, the rear face of the left segment of the front outdoor right transverse L-shaped hollow push-pull door and window sealing aluminum frame is clamped and fixed with the clamping grooves through a plurality of transversely spaced clamping heads, and the front face of the left end of the front outdoor right transverse L-shaped hollow push-pull door and window sealing aluminum frame is clamped and fixed with the rear face of the right extension end of the front indoor left head aluminum profile through a sealing strip or through a clamping head and a sealing strip and a clamping groove. This facilitates installation, replacement and maintenance, while ensuring structural strength, durability and sealing performance, and further reducing heat conduction.

[0014] The rear edge of the right longitudinal low-heat-conduction main support profile is provided with a plurality of transversely spaced clamping grooves, the right part of the rear indoor right head hollow left extension aluminum profile is clamped and fixed with the clamping grooves through a plurality of transversely spaced clamping heads, the front edge of the left end of the rear indoor right head hollow left extension aluminum profile is clamped and fixed with the rear face of the right part of the rear indoor left head aluminum profile through a sealing strip, and the right end of the rear indoor right head hollow left extension aluminum profile and the right rear part of the right longitudinal low-heat-conduction main support profile respectively extend rightward with obliquely opposite front-to-back L-shaped hook heads. This facilitates installation, replacement and maintenance, while ensuring structural strength, durability and sealing performance, and further reducing heat conduction.

[0015] The right end of the front outdoor right transverse L-shaped hollow push-pull door and window sealing aluminum frame extends with a rear L-shaped hook arm, the hook end of the rear L-shaped hook arm is provided with a rear clamping groove, the right end of the circular tube of the outdoor side push-pull door and window sealing strip is clamped and fixed with the clamping groove through a clamping head, and the right end of the circular tube extends leftward against the left extension convex arc arm of the right edge of the right longitudinal low-heat-conduction main support profile. This facilitates installation, replacement and maintenance, while ensuring structural strength, durability and sealing performance, and further reducing heat conduction.

[0016] The right end of the rear indoor right extension hollow push-pull door and window sealing aluminum frame extends with a front L-shaped hook arm, the hook end of the front L-shaped hook arm is provided with a front clamping groove, the right end of the tooth row of the indoor side push-pull door and window sealing strip is clamped and fixed with the clamping groove through a clamping head, and the right end of the tooth row extends leftward with a left extension rear oblique arm that is abutted with the front edge of the right extension rear L-shaped hook head of the right rear part of the right longitudinal low-heat-conduction main support profile. This facilitates installation, replacement and maintenance, while ensuring structural strength, durability and sealing performance, and further reducing heat conduction.

[0017] By adopting the technical scheme, the combined door and window profile with low heat transfer structure and reinforced structure has the advantages of reducing structural heat transfer while ensuring structural strength performance, reducing horizontal and indoor and outdoor longitudinal heat transfer, and significantly improving installation, disassembly, replacement and maintenance adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural diagram of the prior art. Figure 2 is a sectional structure schematic diagram of the combined door and window profile with low heat transfer structure and reinforced structure. Figure 3 is a sectional structure schematic diagram of the left main part of the combined door and window profile with low heat transfer structure and reinforced structure. Figure 4 is a sectional structure schematic diagram of the right main part of the combined door and window profile with low heat transfer structure and reinforced structure. DETAILED DESCRIPTION

[0019] As Figures 2-4As shown, the low heat transfer structure reinforced combined door and window profile is formed by transversely sealing and connecting together the left and right longitudinal low heat transfer main support profiles 1 and 4 through the longitudinal hollow support 2 and the sealing strip 3, the front outdoor edge and the rear indoor edge of the left longitudinal low heat transfer main support profile 1 are respectively buckled to the front outdoor left head aluminum profile 5 and the rear indoor left head aluminum profile 51, the right extension end of the front outdoor left head aluminum profile 5 is sealed and connected to the front outdoor right horizontal L-shaped hollow push-pull door and window sealing aluminum frame 6 buckled to the front outdoor edge of the right longitudinal low heat transfer main support profile 4 through the sealing strip 3, the rear indoor right edge of the right longitudinal low heat transfer main support profile 4 is buckled to the rear indoor right head hollow left extension aluminum profile 7 and the rear indoor right extension hollow push-pull door and window sealing aluminum frame 61, and the left extension end of the rear indoor right head hollow left extension aluminum profile 7 is sealed and connected to the rear indoor left head aluminum profile 51 through the sealing strip 3. The adjacent connecting pieces are vertically inserted and assembled. The longitudinal hollow support is preferably made of resin material, which is beneficial to reduce heat transfer compared with aluminum material. Different material connections have low heat transfer, that is, low heat transfer from high thermal conductivity material to low thermal conductivity material, such as the heat transfer relationship between an iron pot and its wooden handle. The left and right longitudinal low heat transfer main support profiles are transversely sealed and connected together through the longitudinal hollow support and the sealing strip, which is beneficial to reduce horizontal heat transfer and also facilitates installation, replacement and maintenance. The front outdoor edge and the rear indoor edge of the left longitudinal low heat transfer main support profile are respectively buckled to the front outdoor left head aluminum profile and the rear indoor left head aluminum profile, which provides a firm foundation condition for further connection. The right extension end of the front outdoor left head aluminum profile is sealed and connected to the front outdoor right horizontal L-shaped hollow push-pull door and window sealing aluminum frame buckled to the front outdoor edge of the right longitudinal low heat transfer main support profile through the sealing strip, which is beneficial to reduce heat transfer between the two profiles and also can ensure the connection performance while facilitating disassembly. The rear indoor right extension hollow push-pull door and window sealing aluminum frame is connected and supported by the right longitudinal low heat transfer main support profile and the rear indoor right head hollow left extension aluminum profile, which is beneficial to improve the connection and support strength and also beneficial to improve the disassembly and maintenance adaptability and more beneficial to the sealing strip. The left extension end of the rear indoor right head hollow left extension aluminum profile is sealed and connected to the rear indoor left head aluminum profile through the sealing strip, which is beneficial to reduce heat transfer between the two profiles and also beneficial to improve the installation, replacement and maintenance adaptability. While reducing heat transfer, it is more convenient to install, replace and maintain, especially the replacement and maintenance of the right main part. It has the advantages of reducing structural heat transfer while ensuring structural performance, reducing horizontal and indoor and outdoor longitudinal heat transfer, and significantly improving the installation, disassembly, replacement and maintenance adaptability.

[0020] Specifically, the right inner extension end of the right outer long L-shaped hollow push-pull door and window sealing aluminum frame 6 is buckled with the right side of the right long low-heat-transfer main support profile 4 to form an outdoor side push-pull door and window sealing strip 31, and the right front extension end of the right inner long hollow push-pull door and window sealing aluminum frame 61 is buckled with the right side of the right long low-heat-transfer main support profile 4 to form an indoor side push-pull door and window sealing strip 32. The right part of the circular tube of the outdoor side push-pull door and window sealing strip 31 extends to the left to abut against the left extension convex arc arm of the right side of the right long low-heat-transfer main support profile 4, and the front sealing right tooth row part of the indoor side push-pull door and window sealing strip 32 extends to the left to abut against the left extension arm of the right side of the right long low-heat-transfer main support profile 4.

[0021] Specifically, the left and right long low-heat-transfer main support profiles 1, 4 are FPR profiles with resin as the main material on the outer periphery and fiber as the main material inside the outer periphery, and the sealing strip 3 is a composite EPDM sealing strip.

[0022] Specifically, the head cover is provided with left and right corner recesses and a middle recess at the two corner ends and the middle of the front and rear sides of the left long low-heat-transfer main support profile 1, and the left end of the front outdoor left head cover aluminum profile 5 and the front side of the rear indoor left head cover aluminum profile 51 are respectively clamped and fixed with the left and right corner recesses and the middle recess through left and right middle inner clamps.

[0023] Specifically, the left end of the rear indoor left head cover aluminum profile 51 and the left end of the front outdoor left head cover aluminum profile 5 respectively extend to the left to form L-shaped hook heads for reinforcing the connection with the wall door and window opening end surface.

[0024] Specifically, the middle convex part protrudes to the left at the middle of the left side of the right long low-heat-transfer main support profile 4, and the right side of the left long low-heat-transfer main support profile 1 is provided with four vertically spaced recesses corresponding to the middle convex part, the left side of the long hollow support 2 is sealed and clamped with the recesses through four vertically spaced convex heads and a sealing strip, and the long hollow support 2 is sealed and clamped with the middle convex part through a left recess and a sealing strip. The left and right long low-heat-transfer main support profiles 1, 4 are FPR profiles with resin as the main material on the outer periphery and fiber as the main material inside the outer periphery, the front and rear corner parts of the middle convex part of the right long low-heat-transfer main support profile 4 extend to the right side to form resin-based front horizontal reinforcing ribs, middle left opening V-shaped horizontal reinforcing ribs, and rear horizontal reinforcing ribs; the middle section of the left long low-heat-transfer main support profile 1 corresponding to the middle convex part is provided with resin-based at least front and rear middle horizontal reinforcing ribs. The distance between the rear side of the right long low-heat-transfer main support profile 4 and the middle convex part is greater than the distance between the front side of the right long low-heat-transfer main support profile 4 and the middle convex part, and the left and right long low-heat-transfer main support profiles 1, 4 are arranged in front and rear staggered positions.

[0025] Specifically, the right longitudinal low heat transfer main support profile 4 is provided with two transversely spaced clamping grooves, the left segment of the right outdoor transverse L-shaped hollow push-pull door and window sealing aluminum frame 6 is clamped and fixed with the clamping grooves through two transversely spaced clamping heads, and the left end of the right outdoor transverse L-shaped hollow push-pull door and window sealing aluminum frame 6 is clamped and fixed with the right extension end of the front indoor left head aluminum profile 5 through the sealing strip 3. The right end of the right outdoor transverse L-shaped hollow push-pull door and window sealing aluminum frame 6 extends a backward L-shaped hook arm, the hook end of the backward L-shaped hook arm is provided with a backward clamping groove, and the right end of the circular tube of the outdoor push-pull door and window sealing strip 31 is clamped and fixed with the clamping groove through a clamping head, and the right end of the circular tube extends leftward to abut against the left extension convex arc arm 311 of the right edge of the right longitudinal low heat transfer main support profile 4.

[0026] The right longitudinal low heat transfer main support profile 4 is provided with two transversely spaced clamping grooves, the right part of the right indoor back head hollow left extension aluminum profile 7 is clamped and fixed with the clamping grooves through two transversely spaced clamping heads, the left end of the right indoor back head hollow left extension aluminum profile 7 is clamped and fixed with the right part of the left indoor head aluminum profile 51 through a sealing strip, the right end of the right indoor back head hollow left extension aluminum profile 7 and the right part of the right longitudinal low heat transfer main support profile 4 extend rightward respectively and are provided with forward and backward L-shaped hook heads which are opposite to each other, and the right indoor back head hollow left extension aluminum profile 61 extends leftward and is provided with forward and backward L-shaped hook heads which are clamped and fixed with the forward and backward L-shaped hook heads respectively. The right end of the right indoor back head hollow left extension aluminum profile 61 extends a forward L-shaped hook arm, the hook end of the forward L-shaped hook arm is provided with a forward clamping groove, the right end of the tooth row of the indoor push-pull door and window sealing strip 32 is clamped and fixed with the clamping groove through a clamping head, and the right end of the tooth row extends leftward and is provided with a left extension rear inclined arm 321 which is clamped and fixed with the right end of the right longitudinal low heat transfer main support profile 4.

[0027] In summary, the combined door and window profile with low heat transfer structure and reinforced structure has the advantages of reducing structural heat transfer while ensuring structural strength performance, reducing transverse and indoor and outdoor longitudinal heat transfer, and significantly improving installation, replacement and maintenance adaptability.

Claims

1. A low heat transfer structurally reinforced composite fenestration profile characterized by The left and right longitudinally elongated low heat transfer main support profiles are connected together by longitudinally elongated hollow brackets and sealing strips for horizontal sealing buckles. The front outdoor edge and rear indoor edge of the left longitudinally elongated low heat transfer main support profile are respectively fastened to the front outdoor left-end aluminum profile and the rear indoor left-end aluminum profile. The right extension end of the front outdoor left-end aluminum profile is sealed with the front outdoor right horizontally elongated L-shaped hollow sliding door and window sealing aluminum frame fastened to the front outdoor edge of the right longitudinally elongated low heat transfer main support profile through a sealing strip. The rear indoor edge of the right longitudinally elongated low heat transfer main support profile is fastened to the rear indoor right-end hollow left extension aluminum profile and is jointly fastened to the rear indoor right extension hollow sliding door and window sealing aluminum frame. The left extension end of the rear indoor right-end hollow left extension aluminum profile is sealed with the rear indoor left-end aluminum profile through a sealing strip.

2. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein An exterior sliding door / window sealing strip is fitted between the right inner extension of the right horizontal L-shaped hollow sliding door / window frame and the right side of the right longitudinal low heat transfer main support profile. An interior sliding door / window sealing strip is fitted between the right front extension of the right horizontal hollow sliding door / window frame and the right side of the right longitudinal low heat transfer main support profile.

3. The low heat transfer structurally reinforced composite fenestration profile of claim 2, wherein The right part of the round tube of the outdoor sliding door and window sealing strip extends to the left and abuts against the left extension arc arm on the right side of the right longitudinal low heat transfer main support profile. The right toothed part of the forward sealing of the indoor sliding door and window sealing strip extends to the left and abuts against the left extension arm on the right side of the right longitudinal low heat transfer main support profile.

4. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein The left and right longitudinally elongated low heat transfer main support profile is an FPR profile with resin as the main component on the outer periphery and fiber as the main component on the inner periphery. The sealing strip is a composite EPDM sealing strip. The longitudinally elongated hollow support is either an integral type or a three-section type consisting of a middle section and front and rear end heads.

5. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein The cap is a left-long, low-heat-transfer main support profile with left and right corner recesses and a middle recess respectively provided at the two corners and the middle of the front and rear sides. The rear side of the left section of the front outdoor left cap aluminum profile and the front side of the rear indoor left cap aluminum profile are respectively secured to the left and right corner recesses and the middle recess by left and right middle inner clips.

6. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein The left end of the left-side aluminum profile of the rear interior and the left end of the left-side aluminum profile of the front exterior each have an L-shaped hook extending to the left to reinforce the connection with the wall, door, and window end faces; the low heat transfer main support profile is an FPR profile.

7. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein The left side of the right longitudinally elongated low heat transfer main support profile has a central convex part protruding to the left. The right side of the left longitudinally elongated low heat transfer main support profile has multiple grooves that are longitudinally spaced and distributed in relation to the central convex part. The left side of the longitudinally elongated hollow bracket is sealed and engaged with the grooves by multiple longitudinally spaced protrusions and sealing strips. The longitudinally elongated hollow bracket is sealed and engaged with the central convex part by the left groove and sealing strip.

8. The low heat transfer structurally reinforced composite fenestration profile of claim 7, wherein The left and right longitudinally elongated low heat transfer main support profile is an FPR profile with resin as the main material on the outer periphery and fiber as the main material on the inner periphery. The front and rear ends of the convex part of the right longitudinally elongated low heat transfer main support profile are provided with resin-based front transverse reinforcing ribs, middle left-opening V-shaped transverse reinforcing ribs, and rear transverse reinforcing ribs. The left longitudinally elongated low heat transfer main support profile is provided with resin-based at least front and rear middle transverse reinforcing ribs in the middle section corresponding to the convex part.

9. The low heat transfer structurally reinforced composite fenestration profile of any of claims 7-8, wherein The distance between the rear edge of the right longitudinal low heat transfer main support profile and its protrusion is greater than the distance between the front edge of the right longitudinal low heat transfer main support profile and its protrusion, and the left and right longitudinal low heat transfer main support profiles are staggered front to back.

10. The low heat transfer structurally reinforced composite fenestration profile of claim 1, wherein The right longitudinal low heat transfer main support section has a plurality of transversely spaced clamping slots in the front edge, the left section of the right outdoor transversely long L-shaped hollow push-pull door and window sealing aluminum frame has a plurality of transversely spaced clamping heads clamped with the clamping slots, and the front edge of the left end of the left section of the right outdoor transversely long L-shaped hollow push-pull door and window sealing aluminum frame is clamped with the right extension end of the right head of the indoor left aluminum profile through a sealing strip or through a clamping head, a sealing strip and a clamping slot. The right longitudinal low heat transfer main support section has a plurality of transversely spaced clamping slots in the rear edge, the right part of the right indoor hollow left extension aluminum profile of the indoor right head has a plurality of transversely spaced clamping heads clamped with the clamping slots, the front edge of the left end of the right indoor hollow left extension aluminum profile of the indoor right head is clamped with the right part of the rear edge of the indoor left aluminum profile through a sealing strip, and the right end of the right indoor hollow left extension aluminum profile of the indoor right head and the right part of the rear edge of the right longitudinal low heat transfer main support section are respectively extended rightwards with obliquely opposite front-to-back L-shaped hook heads, and the right extension hollow push-pull door and window sealing aluminum frame of the indoor right head is extended leftwards with back-to-front L-shaped hook heads respectively hooked with the front-to-back L-shaped hook heads.

Images