Stainless steel sheet reinforced energy-saving door and window structure

Abstract

The application discloses a stainless steel sheet reinforced heat-insulating energy-saving door and window structure, which comprises an outdoor bearing part, an indoor bearing part and a central heat-insulating connecting part arranged between the two bearing parts. The outdoor bearing part and the indoor bearing part are respectively provided with first and second stainless steel sheet reinforcing parts, both of which extend into a grid connecting body of the central heat-insulating connecting part and respectively form a large-amplitude embedded segment and a small-amplitude embedded segment composed of multiple small waves. The two small-amplitude embedded segments are staggered and arranged at intervals along the height direction, the top end of the large-amplitude embedded segment corresponds to the vertex height of the small-amplitude embedded segment of the other reinforcing part, each wave is embedded in a grid cavity, and the two reinforcing parts do not contact each other. The structure utilizes the multi-point embedding transmission between the grid cavity and the wave-shaped sheet to transfer the thickness direction load of the door and window, improves the profile bearing stability while maintaining the discontinuous metal connection of the two stainless steel reinforcing parts, and takes into account the heat-insulating performance and structural strength.

Description

Technical Field

[0001] This invention relates to the field of building door and window technology, specifically to a stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure. Background Technology

[0002] Window and door profiles need to have a certain load-bearing capacity while minimizing heat transfer between the interior and exterior. Existing insulated doors and windows typically incorporate thermal break strips, insulation materials, or multi-cavity insulation structures between the exterior and interior profiles to reduce thermal bridges caused by direct metal profile penetration.

[0003] For larger doors and windows, those requiring higher wind pressure resistance, or those needing further reduction in profile wall thickness, metal reinforcements such as steel linings and reinforcing plates are often installed inside the profiles. Continuously installed metal reinforcements facilitate load transfer, but can also easily create new metal heat conduction paths between the indoor and outdoor sides. If the metal reinforcements on both sides are completely disconnected, the load between the two profiles relies mainly on the non-metallic thermal insulation connector in the middle, which can easily cause the central connection to bear concentrated shear forces or localized compressive forces.

[0004] Therefore, a new door and window connection structure is needed to keep the stainless steel reinforcements on the outside and inside sides separate, while also being able to transfer the load in the thickness direction of the door and window relatively stably with the help of the central thermal insulation structure, so as to take into account both thermal insulation and load-bearing requirements. Summary of the Invention

[0005] The technical problem to be solved by the present invention is that existing doors and windows are prone to forming through thermal bridges when using continuous metal reinforcements, while disconnecting the metal reinforcements on both sides is not conducive to the stable transfer of load between the load-bearing structures on both sides.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a stainless steel sheet reinforced thermal insulation and energy-saving door and window structure, including an outdoor load-bearing part, an indoor load-bearing part, and a central thermal insulation connection part disposed between the two; The outdoor load-bearing part and the indoor load-bearing part are respectively provided with a first stainless steel sheet reinforcement and a second stainless steel sheet reinforcement, and the first stainless steel sheet reinforcement and the second stainless steel sheet reinforcement extend into the central heat insulation connection part respectively; The central heat insulation connection is provided with a grid connector, and multiple mutually separated grid cavities are formed in the grid connector. The portions of the first stainless steel sheet reinforcement and the second stainless steel sheet reinforcement that extend into the grid connector are provided with a large-amplitude fitting section and a small-amplitude fitting section with multiple small waveforms. The large-amplitude fitting section and the small-amplitude fitting section are respectively embedded in the corresponding grid cavity. The small-amplitude fitting sections of the first stainless steel sheet reinforcement and the second stainless steel sheet reinforcement are staggered and spaced apart along the height direction. The top height of the large-amplitude fitting section of the first stainless steel sheet reinforcement is the same as the top height of the small-amplitude fitting section of the second stainless steel sheet reinforcement, and the top height of the large-amplitude fitting section of the second stainless steel sheet reinforcement is the same as the top height of the small-amplitude fitting section of the first stainless steel sheet reinforcement. The first stainless steel sheet reinforcement and the second stainless steel sheet reinforcement do not contact each other.

[0007] Furthermore, both the first and second stainless steel sheet reinforcements include a fixed section, a straight bearing section, a large-amplitude fitting section, and a small-amplitude fitting section connected in sequence, wherein the fixed section, the straight bearing section, the large-amplitude fitting section, and the small-amplitude fitting section are continuously formed from the same stainless steel sheet.

[0008] Furthermore, the large-amplitude interlocking segment includes a large waveform unit, and the small-amplitude interlocking segment includes at least two small waveform units continuously arranged along the extension direction of the stainless steel sheet, wherein the amplitude of the large waveform unit is greater than the amplitude of the small waveform unit.

[0009] Furthermore, each small waveform unit of the small amplitude interlocking segment is embedded in the corresponding grid cavity, and the peaks and troughs of each small waveform unit are limited by the adjacent grid wall to form a multi-point interlocking force transmission structure between the stainless steel sheet reinforcement and the grid connector.

[0010] Furthermore, the projections of the small-amplitude fitting section of the first stainless steel sheet reinforcement and the small-amplitude fitting section of the second stainless steel sheet reinforcement in the thickness direction of the door and window at least partially overlap, and the two are located in different grid cavities and are separated by the grid wall of the grid connector.

[0011] Furthermore, the central heat insulation connection also includes a first heat insulation strip, a first heat insulation filler and a second heat insulation strip arranged sequentially above the grid connector, and a third heat insulation strip, a second heat insulation filler and a fourth heat insulation strip arranged sequentially below the grid connector.

[0012] Furthermore, the first thermal insulation filler is sandwiched between the first thermal insulation strip and the second thermal insulation strip, and the second thermal insulation filler is sandwiched between the third thermal insulation strip and the fourth thermal insulation strip. The first thermal insulation filler and the second thermal insulation filler are respectively located on the upper and lower sides of the grid connector.

[0013] Furthermore, the outdoor load-bearing part includes a first upper load-bearing profile, a first lower load-bearing profile, and a first sealing element, and the indoor load-bearing part includes a second upper load-bearing profile, a second lower load-bearing profile, and a second sealing element. The first upper load-bearing profile, the first lower load-bearing profile, the second upper load-bearing profile, and the second lower load-bearing profile are all provided with hollow cavities extending along the length direction of the door and window profile.

[0014] Furthermore, the fixing section of the first stainless steel sheet reinforcement is fixed to the outdoor bearing part, and the fixing section of the second stainless steel sheet reinforcement is fixed to the indoor bearing part. The two straight bearing sections extend from the outdoor bearing part and the indoor bearing part toward the central heat insulation connection part, respectively, and are located at different heights.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects: This invention separates the first and second stainless steel sheet reinforcement members, ensuring they do not directly contact each other within the central thermal insulation connection, thus reducing direct thermal bridges formed by continuous metal reinforcement members. The portions of the two stainless steel sheets extending into the grille connector respectively form a large-amplitude fitting section and a small-amplitude fitting section. Multiple waveforms in the small-amplitude fitting section engage with multiple grille cavities, allowing loads to be transferred through multiple locations. The large-amplitude fitting sections extend to the height corresponding to the small-amplitude fitting section of the other stainless steel sheet, enabling the two sets of staggered stainless steel sheets to smoothly transmit forces along the thickness of the door / window through the grille connector. Therefore, while maintaining the disconnection of the metal reinforcement members on both sides, it can simultaneously meet the load-bearing capacity and thermal insulation requirements of the central connection area. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall cross-sectional structure of a stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to the present invention; Figure 2 This is a schematic diagram of the structure of the outdoor bearing part and the first stainless steel sheet reinforcement of the present invention; Figure 3 This is a schematic diagram of the structure of the indoor load-bearing part and the second stainless steel sheet reinforcement of the present invention; Figure 4 This is a partial structural schematic diagram of the stainless steel sheet reinforcement of the present invention; Figure 5 This is a schematic diagram of the central heat insulation connection part of the present invention.

[0017] In the diagram: 100, Outdoor load-bearing section; 101, First upper load-bearing profile; 102, First lower load-bearing profile; 103, First sealing element; 104, First stainless steel sheet reinforcement element; 200, Indoor load-bearing section; 201, Second upper load-bearing profile; 202, Second lower load-bearing profile; 203, Second sealing element; 204, Second stainless steel sheet reinforcement element; 300, Central thermal insulation connection section; 301, First thermal insulation strip; 302, First thermal insulation filler; 303, Second thermal insulation strip; 304, Grille connector; 3041, Grille cavity; 305, Third thermal insulation strip; 306, Second thermal insulation filler; 307, Fourth thermal insulation strip; 1, Fixed section; 2, Straight load-bearing section; 3, Large-amplitude fitting section; 4, Small-amplitude fitting section. Detailed Implementation

[0018] The following is combined with Figures 1 to 5 The structure and working process of the present invention will be further explained. This embodiment uses a cross-section of a door and window profile as an example for illustration. The exterior side is located at... Figure 1 On the left, the indoor side is located Figure 1 Right side. The thickness direction of the doors and windows is between the exterior and interior sides. The length direction of the profile is... Figure 1 The cross-section shown is vertical. In actual use, Figure 1 The structure shown extends continuously along the length of the profile and is cut and assembled according to the length of the door frame and door leaf.

[0019] like Figure 1 As shown, the door and window structure mainly consists of an outdoor load-bearing section 100, an indoor load-bearing section 200, and a central thermal insulation connection section 300. The outdoor load-bearing section 100 and the indoor load-bearing section 200 are separate, with the central thermal insulation connection section 300 positioned between them. The outdoor load-bearing section 100 forms the main load-bearing frame on the exterior side of the door and window, while the indoor load-bearing section 200 forms the main load-bearing frame on the interior side. The central thermal insulation connection section 300 connects the two load-bearing sections into a complete profile while preventing the formation of a continuous metal cross-section between the two metal profiles. In this way, the force on the outdoor load-bearing section 100 can be transferred to the indoor load-bearing section 200 via the central thermal insulation connection section 300, while the direct metal heat conduction path between the interior and exterior is interrupted.

[0020] For the specific structure of the outdoor load-bearing part 100, see Figure 2The outdoor load-bearing section 100 includes a first upper load-bearing profile 101, a first lower load-bearing profile 102, a first sealing element 103, and a first stainless steel sheet reinforcement 104. The first upper load-bearing profile 101 is located at the top, and the first lower load-bearing profile 102 is located at the bottom. Both are thin-walled profiles with hollow cavities. The hollow cavities extend along the length of the profiles. A central installation area is provided between the first upper load-bearing profile 101 and the first lower load-bearing profile 102 for arranging the first stainless steel sheet reinforcement 104 and connecting it to the central thermal insulation connection section 300. The specific number of cavities in the first upper load-bearing profile 101 and the first lower load-bearing profile 102 can be adjusted according to the profile size and load-bearing requirements, but this does not change their function of being located on the outdoor side of the central thermal insulation connection section 300 and bearing the outdoor load.

[0021] The first sealing element 103 is installed on the outdoor load-bearing part 100 near the door and window mating surface. The first sealing element 103 can be embedded in the pre-reserved installation groove of the profile. After the door and window are closed, the first sealing element 103 forms an elastic compression with the adjacent door and window components to reduce the possibility of air and water entering the profile mating joint from the outdoor side. The first sealing element 103 does not bear the main structural load of the central thermal insulation connection part 300; its main function is to cooperate with the profile to complete the seal.

[0022] The first stainless steel sheet reinforcement 104 is installed in the central mounting area of ​​the outdoor load-bearing part 100. Combined with... Figure 2 and Figure 4 As can be seen, the first stainless steel sheet reinforcement 104 is continuously formed from the same stainless steel sheet, including a fixed section 1, a straight load-bearing section 2, a large-amplitude fitting section 3, and a small-amplitude fitting section 4. No separate metal connectors are needed between the sections. This reduces the number of connection points within the sheet itself and facilitates its integration into the outdoor load-bearing part 100 as a whole after forming.

[0023] The fixed section 1 is located at one end of the first stainless steel sheet reinforcement 104 near the outdoor load-bearing part 100. Figure 2 The fixing section 1 is generally arranged along the height direction of the profile cross-section and fixed near the profile wall of the outdoor load-bearing part 100. The fixing section 1 is used to establish a force connection between the first stainless steel sheet reinforcement 104 and the outdoor load-bearing part 100. When the first upper load-bearing profile 101 or the first lower load-bearing profile 102 is subjected to a force in the thickness direction of the door or window, the force can be transmitted to the first stainless steel sheet reinforcement 104 through the profile wall adjacent to the fixing section 1. The fixing method can be clamping in the profile groove, edge limiting, or other mechanical fixing forms that do not penetrate the central thermal insulation connection part 300. The fixing structure only needs to ensure that the first stainless steel sheet reinforcement 104 will not loosen relative to the outdoor load-bearing part 100 during normal use.

[0024] The straight load-bearing section 2 extends from the fixed section 1 toward the central thermal insulation connection 300. The straight load-bearing section 2 is mainly used to transfer the force transmitted from the outdoor load-bearing section 100 to the central thermal insulation connection 300. Since this section extends essentially along the thickness direction of the door and window, when the door and window are subjected to wind pressure, opening and closing impacts, or other forces along the thickness direction, the straight load-bearing section 2 can directly participate in tensile, compressive, and localized bending stresses. The first stainless steel sheet reinforcement 104 is in sheet form and does not require complete filling of the interior of the outdoor load-bearing section 100. It utilizes the strength of the stainless steel sheet itself and improves the load-bearing stability of the central connection area through its arrangement with the profile wall.

[0025] The straight load-bearing section 2, near the central thermal insulation connection 300, forms a large-amplitude interlocking section 3. This large-amplitude interlocking section 3 is not a simple right-angle bend, nor is it merely a transition section used to change the shape. The large-amplitude interlocking section 3 itself constitutes a waveform unit with a relatively large amplitude. Its amplitude is greater than the amplitude of a single small waveform in the subsequent small-amplitude interlocking section 4. Figure 1 Taking the installation state shown as an example, the large-amplitude fitting section 3 of the first stainless steel sheet reinforcement 104 forms a large undulation downward, so that the far end of the large-amplitude fitting section 3 enters the lower layer of the force-bearing height where the small-amplitude fitting section 4 of the second stainless steel sheet reinforcement 204 is located.

[0026] Large-amplitude interlocking segment 3 is followed by small-amplitude interlocking segment 4. Small-amplitude interlocking segment 4 consists of multiple sequentially arranged small-waveform units. Each small-waveform unit has adjacent peaks, troughs, and connecting arc segments. After multiple small-waveform units are formed consecutively, the sheet achieves a longer embedding path than a straight insertion within the limited thickness of the door and window. Each small-waveform unit can also cooperate with the grid cavity 3041 in the grid connector 304, so that the load is not concentrated at a single point at the end of the sheet, but is transmitted to the grid connector 304 segment by segment along multiple waveform positions.

[0027] For the specific structure of the indoor load-bearing part 200, see Figure 3 The interior load-bearing section 200 includes a second upper load-bearing profile 201, a second lower load-bearing profile 202, a second seal 203, and a second stainless steel sheet reinforcement 204. Both the second upper load-bearing profile 201 and the second lower load-bearing profile 202 have hollow cavities extending along their length. These cavities form a central area for arranging the second stainless steel sheet reinforcement 204 and connecting the central thermal insulation connection 300. The second seal 203 is located in the interior load-bearing section 200 near the door / window mating surface, forming another seal after the door / window is closed.

[0028] The second stainless steel sheet reinforcement 204 has the same basic composition as the first stainless steel sheet reinforcement 104, including a fixed section 1, a straight bearing section 2, a large-amplitude fitting section 3, and a small-amplitude fitting section 4, and is continuously formed from the same stainless steel sheet. The difference is that the two are arranged facing each other. The fixed section 1 of the second stainless steel sheet reinforcement 204 is fixed to the indoor bearing part 200, and the straight bearing section 2 extends from right to left towards the central thermal insulation connection part 300. The undulation direction of its large-amplitude fitting section 3 is opposite to that of the large-amplitude fitting section 3 of the first stainless steel sheet reinforcement 104. Its small-amplitude fitting section 4 is located below the small-amplitude fitting section 4 of the first stainless steel sheet reinforcement 104.

[0029] like Figure 1 As shown, the two small-amplitude interlocking sections 4 of the two stainless steel sheet reinforcements are not at the same height. The small-amplitude interlocking section 4 of the first stainless steel sheet reinforcement 104 is located at a higher position, and the small-amplitude interlocking section 4 of the second stainless steel sheet reinforcement 204 is located at a lower position. They are staggered in the height direction and maintain a gap. The projections of the two small-amplitude interlocking sections 4 in the thickness direction of the door and window can at least partially overlap, but they are located in different grille cavities 3041, always separated by the grille wall of the grille connector 304. Thus, even if the two stainless steel sheets extend into the central area, they will not form direct metal contact.

[0030] The force transmission relationship between the two stainless steel sheets is mainly formed by the cross-correspondence between the large-amplitude interlocking section 3 and the small-amplitude interlocking section 4 of the other stainless steel sheet. The large-amplitude interlocking section 3 of the first stainless steel sheet reinforcement 104 crosses downward across the height difference between the two sets of small-amplitude interlocking sections 4, and its top height is consistent with the top height of the small-amplitude interlocking section 4 of the second stainless steel sheet reinforcement 204. The large-amplitude interlocking section 3 of the second stainless steel sheet reinforcement 204 crosses upward across this height difference, and its top height is consistent with the top height of the small-amplitude interlocking section 4 of the first stainless steel sheet reinforcement 104. The height consistency mentioned here means that they are located at the same height or at a height that can form a corresponding force transmission in the height direction of the door and window cross section, and it is not required that they be absolutely mathematically equal without any tolerances during manufacturing.

[0031] With the above arrangement, the central area forms a force relationship with two intersecting layers. The upper layer corresponds to the small-amplitude interlocking section 4 of the first stainless steel sheet reinforcement 104 and the large-amplitude interlocking section 3 of the second stainless steel sheet reinforcement 204. The lower layer corresponds to the small-amplitude interlocking section 4 of the second stainless steel sheet reinforcement 204 and the large-amplitude interlocking section 3 of the first stainless steel sheet reinforcement 104. The two small-amplitude interlocking sections 4 maintain their vertical separation, thus avoiding direct connection between the two stainless steel sheets for the sake of force transmission. The large-amplitude interlocking section 3, however, extends to the other layer through a larger single wave, allowing the force in the thickness direction of the door / window to be transmitted from one stainless steel sheet to another at approximately the same height via the grille wall.

[0032] For the specific structure of the central insulation connection part 300, see Figure 5 The central thermal insulation connection 300 is located between the outdoor load-bearing section 100 and the indoor load-bearing section 200. Its upper part is sequentially provided with a first thermal insulation strip 301, a first thermal insulation filler 302, and a second thermal insulation strip 303; its middle part is provided with a grid connector 304; and its lower part is sequentially provided with a third thermal insulation strip 305, a second thermal insulation filler 306, and a fourth thermal insulation strip 307. Each part extends continuously along the length of the profile. The central thermal insulation connection 300 as a whole connects the outdoor load-bearing section 100 and the indoor load-bearing section 200, but does not use a single continuous metal piece to directly span the two sides.

[0033] The first thermal insulation strip 301 and the second thermal insulation strip 303 are respectively disposed on the upper and lower sides of the first thermal insulation filler 302. Together, they constitute the auxiliary thermal insulation area above the grille connector 304. The first thermal insulation filler 302 fills the space between the two thermal insulation strips, reducing the large airflow space in this area and increasing the thermal resistance between the outdoor and indoor sides. The two ends of the first thermal insulation strip 301 and the second thermal insulation strip 303 can be connected to the corresponding slots of the outdoor bearing part 100 and the indoor bearing part 200, respectively, so that the upper area maintains thermal insulation while providing auxiliary positioning for the left and right profiles.

[0034] The third thermal insulation strip 305, the second thermal insulation filler 306, and the fourth thermal insulation strip 307 are located below the grille connector 304. The third thermal insulation strip 305 and the fourth thermal insulation strip 307 are located on the upper and lower sides of the second thermal insulation filler 306, respectively. Their function is similar to that of the upper structure, forming an auxiliary thermal insulation area below the grille connector 304. In this way, the central thermal insulation connection 300 does not only have one thermal insulation component in the middle, but also forms thermal insulation areas above and below the grille connector 304. In actual doors and windows, the upper and lower structures can also provide a certain positioning and support for the central connection area.

[0035] The grille connector 304, located in the center of the central thermal insulation connection 300, is the main non-metallic connection structure for the fitting and force transmission of two stainless steel sheet reinforcements. Multiple mutually separated grille cavities 3041 are formed inside the grille connector 304. Figure 1 and Figure 5 It can be seen that the grille cavity 3041 can form several vertical strip-shaped cavities along the cross-sectional height direction, or it can form transverse cavities on its upper and lower sides. Continuous grille walls are maintained between adjacent grille cavities 3041. The grille walls not only separate the different cavities, but also provide support and limiting surfaces for the corrugated stainless steel sheet.

[0036] In this embodiment, the first stainless steel sheet reinforcement 104 and the second stainless steel sheet reinforcement 204 extend into the grid connector 304 from opposite sides. The large-amplitude fitting section 3 and the small-amplitude fitting section 4 of the two stainless steel sheets enter the corresponding grid cavities 3041. Multiple small waveforms of the small-amplitude fitting section 4 unfold sequentially along multiple grid cavities 3041. A small waveform can mainly correspond to one grid cavity 3041, or a peak or trough can correspond to a cavity depending on the grid size. As long as the grid wall can form segmented limits for each small waveform and prevent the wavy sheet from sliding unrestrainedly along the thickness direction of the door or window, it is acceptable.

[0037] When the small-amplitude interlocking section 4 engages with the grid connector 304, the crests and troughs are located in the cavities formed by adjacent grid walls. Under stress, the crests or troughs of the thin sheet exert pressure on the adjacent grid walls. This pressure then diffuses from the grid walls to other parts of the grid connector 304. Because the small-amplitude interlocking section 4 has multiple continuous small waveforms, the load can be distributed across multiple grid walls. Compared to a structure that simply clamps the end of a straight steel plate into a single slot, this structure reduces the concentration of all loads at a single clamping position.

[0038] The large-amplitude interlocking section 3 is also embedded within the corresponding grille cavity 3041 of the grille connector 304. Its large amplitude primarily serves to bridge the height difference between the small-amplitude interlocking sections 4 of the two stainless steel sheets. The sidewalls and top of the large-amplitude interlocking section 3 are also constrained by the grille wall. When a stainless steel sheet is subjected to force along the thickness direction of the door / window, its large-amplitude interlocking section 3 can exert force on the grille wall at a height corresponding to the small-amplitude interlocking section 4 of the other stainless steel sheet. The grille wall then transmits this force to the wave-interlocking area on the other side. This reduces the likelihood of the force first traveling significantly upwards or downwards in the central connecting area before being transmitted to the other sheet.

[0039] For example, when the outdoor side is subjected to a force in the thickness direction of the door or window towards the indoor side, the outdoor load-bearing section 100 is stressed first. The first upper load-bearing profile 101 and the first lower load-bearing profile 102 transmit the force in their central regions to the fixed section 1 of the first stainless steel sheet reinforcement 104. The force is then transmitted to the right along the straight load-bearing section 2. Upon reaching the grille connector 304, part of the force is transmitted point-by-point to the grille wall through multiple waveforms of the small-amplitude fitting section 4 of the first stainless steel sheet reinforcement 104; another part of the force is transmitted to the grille wall at the corresponding height in the lower layer through its large-amplitude fitting section 3. The grille connector 304 then disperses the force towards the indoor side, where the lower grille wall corresponding to the small-amplitude fitting section 4 of the second stainless steel sheet reinforcement 204 can transmit the force to the second stainless steel sheet reinforcement 204. Subsequently, the force is transmitted to the indoor load-bearing section 200 through the straight load-bearing section 2 and the fixed section 1 of the second stainless steel sheet reinforcement 204.

[0040] When the forces are applied in opposite directions, the force transmission paths are correspondingly reversed. After the indoor load-bearing section 200 is subjected to a force directed towards the outside, the force enters the grille connector 304 via the second stainless steel sheet reinforcement 204. The small-amplitude interlocking section 4 of the second stainless steel sheet reinforcement 204 distributes the force through multiple grille positions in the lower layer, while its large-amplitude interlocking section 3 corresponds at the same height as the small-amplitude interlocking section 4 of the first stainless steel sheet reinforcement 104 in the upper layer. The grille connector 304 then transmits the force to the first stainless steel sheet reinforcement 104, and finally to the outdoor load-bearing section 100. Therefore, when forces are applied to both sides, the load can be transmitted using the cross-corresponding relationship between the upper and lower layers.

[0041] During the aforementioned force transmission process, the first stainless steel sheet reinforcement 104 and the second stainless steel sheet reinforcement 204 remain in a non-contact state. There are no welds, rivets, bolts, pins, or other metal connectors penetrating the central thermal insulation connection 300 between the two stainless steel sheets. The force between the two sheets is continued through the grid wall of the grid connector 304. This preserves the reinforcing effect of the stainless steel sheets on the profiles on both sides while avoiding directly connecting the two stainless steel sheets into a continuous metal path from the outdoor side to the indoor side.

[0042] From a thermal conductivity perspective, the metal profiles between the outdoor load-bearing section 100 and the indoor load-bearing section 200 are separated by the central thermal insulation connection section 300. The first stainless steel sheet reinforcement 104 extends only from the outdoor side into the grille connector 304, and the second stainless steel sheet reinforcement 204 extends only from the indoor side into the grille connector 304; the two are separated by the grille wall in the central region. Heat cannot be directly transferred from the outdoor side to the indoor side along a continuous stainless steel section. If heat flow continues from one stainless steel sheet to another, it needs to pass through the non-metallic part of the grille connector 304. At the same time, thermal insulation strips and insulation fillers are also provided on the upper and lower sides of the grille connector 304, thereby further increasing the thermal resistance in the central region.

[0043] The wavy structure also ensures that the actual unfolded length of the stainless steel sheet within the grille connector 304 is greater than its linear projection length in the thickness direction of the door / window. Insulation is not achieved simply by extending the metal path; rather, the wavy shape is used for fitting and force transmission, combined with the arrangement of the two sheets being disconnected from each other. Multiple small waveforms increase the effective fitting positions between the sheet and the grille connector 304. Large-amplitude waveforms are used to bridge the height difference between the upper and lower layers of small-amplitude fitting sections 4. Since the two waveforms serve different functions, it is not advisable to simply replace the large-amplitude fitting section 3 with the same continuous small waveforms as the small-amplitude fitting section 4.

[0044] When manufacturing the first stainless steel sheet reinforcement 104 and the second stainless steel sheet reinforcement 204, a fixed section 1 and a straight load-bearing section 2 can be formed from the stainless steel sheet blank first. Then, at one end near the central heat insulation connection 300, a large-amplitude waveform and multiple continuous small-amplitude waveforms are formed sequentially by bending. During forming, it should be ensured that the large-amplitude interlocking section 3 and the small-amplitude interlocking section 4 remain continuous without any breaks. The two reinforcements can be formed using the same basic mold and then installed in opposite directions, or they can be formed separately in left and right installation directions. As long as they are assembled into a continuous shape... Figure 1 The small amplitude segments are staggered vertically, and the large amplitude segments are crossed vertically as shown.

[0045] The grid connector 304 can be prefabricated as a long strip connector with a grid cavity 3041. During assembly, the first stainless steel sheet reinforcement 104 is first fixed to the outdoor bearing part 100, and the second stainless steel sheet reinforcement 204 is fixed to the indoor bearing part 200. Then, the large-amplitude fitting section 3 and the small-amplitude fitting section 4 of the two reinforcements are respectively inserted into the corresponding grid cavities 3041 reserved in the grid connector 304. After assembly, check whether the two sets of small-amplitude fitting sections 4 are staggered vertically, whether the grid wall and the necessary gap are maintained between them, and at the same time check whether the large-amplitude fitting sections 3 of the two sheets reach the height corresponding to the small-amplitude fitting section 4 of the other sheet.

[0046] After the central connection of the grille connector 304 is completed, the first thermal insulation strip 301, the first thermal insulation filler 302, the second thermal insulation strip 303, the third thermal insulation strip 305, the second thermal insulation filler 306, and the fourth thermal insulation strip 307 can be assembled. Each thermal insulation strip is engaged or positioned with the outdoor bearing part 100 and the indoor bearing part 200 through the mating parts at both ends, and the thermal insulation filler is placed between adjacent thermal insulation strips. After assembly, the central thermal insulation connector 300 forms an upper thermal insulation area, a middle grille connector area, and a lower thermal insulation area in cross-section. The three parts extend together along the length of the profile.

[0047] The shapes of the first upper load-bearing profile 101, the first lower load-bearing profile 102, the second upper load-bearing profile 201, and the second lower load-bearing profile 202 can be adjusted according to the door frame, door leaf, glass channel, or hardware installation position. The number and shape of the hollow cavities inside each profile can also be changed according to the actual profile specifications. As long as the outdoor load-bearing part 100 and the indoor load-bearing part 200 are still separated by the central thermal insulation connection part 300, and the first stainless steel sheet reinforcement 104 and the second stainless steel sheet reinforcement 204 still extend into the grille connector 304 in the manner described above and remain in contact with each other, the main stress and thermal insulation relationship of this embodiment can be maintained.

[0048] In a preferred arrangement, the small-amplitude interlocking sections 4 of the two stainless steel sheet reinforcements have a long projected overlap area in the thickness direction of the door / window. This allows the two sheets to form a longer embedding length in the grille connector 304, and also allows the upper and lower grille areas to participate in the stress simultaneously. However, the projected overlap does not mean that the two sheets coincide in space. The small-amplitude interlocking section 4 of the first stainless steel sheet reinforcement 104 is located in the upper layer, and the small-amplitude interlocking section 4 of the second stainless steel sheet reinforcement 204 is located in the lower layer, with the complete grille wall still retained in between.

[0049] In another preferred arrangement, the multiple small waveforms in the small-amplitude interlocking section 4 have similar amplitudes and spacings, corresponding to the continuous grid cavity 3041 in the grid connector 304. This makes it easy to determine the position of each small waveform during assembly and also facilitates the simultaneous participation of multiple waveforms in the limiting function. The large-amplitude interlocking section 3 maintains a single amplitude significantly larger than that of the small-amplitude interlocking section 4 to reliably bridge the height difference between the upper and lower layers. The specific width of the large-amplitude interlocking section 3 can be determined based on the grid wall width of the grid connector 304 and the spacing between the two layers of small-amplitude interlocking sections 4.

[0050] The continuous forming of the first and second stainless steel sheet reinforcements 104 and 204 also helps control the amount of metal used in the central connection area. If a single thick steel piece were used to directly span the outdoor load-bearing section 100 and the indoor load-bearing section 200 to increase load-bearing capacity, although the force transmission path would be simple, it would create a direct metal passage. In this embodiment, the two sheets are separated and fixed only on one side, with the grid connector 304 used to complete the intermediate force transmission. Therefore, the reinforcement is concentrated in the area that actually needs to bear the load, and it is unnecessary to make the entire central thermal insulation connection section 300 a metal structure.

[0051] The grid wall of the grid connector 304 should have a continuous structure capable of limiting the corrugated interlocking section. The contour of the grid cavity 3041 is not required to completely fit the corrugated sheet. During assembly, a gap sufficient for manufacturing and assembly can be maintained, but this gap should not be so large that the corrugated interlocking section loses the limiting effect of the grid wall under normal door and window loads. For structures requiring a tighter fit, some crests or troughs can be brought close to or partially fitted with the corresponding grid wall. For structures requiring a certain assembly allowance, a small gap can also be left without affecting force transmission.

[0052] The first insulation filler 302 and the second insulation filler 306 are mainly used to fill the upper and lower areas of the central insulation connection 300. Their shapes are adapted to the space formed between the first insulation strip 301, the second insulation strip 303, the third insulation strip 305, and the fourth insulation strip 307. The filler does not need to enter the interlocking area of ​​the two stainless steel sheets, nor does it replace the load-bearing function of the grid connector 304. The grid connector 304 is responsible for the main interlocking force transmission in the middle, while the insulation filler is mainly used to reduce heat exchange at the upper and lower positions of the central connection. The two types of structures each perform different functions.

[0053] After installation, the first sealing element 103 and the second sealing element 203 are located at their mating positions on both sides of the door and window. During use, the sealing elements are pressed tightly against the adjacent surfaces of the door frame or door leaf. This reduces air exchange through the profile joints. The sealing effect works in conjunction with the solid insulation of the central thermal insulation connection 300. Even if the central profile itself has a high thermal resistance, air leakage through door and window gaps will affect the overall insulation effect. Therefore, retaining the first sealing element 103 and the second sealing element 203 in actual doors and windows allows the thermal insulation structure of the profile to function properly.

[0054] When this structure is used for a door frame, the outdoor load-bearing part 100 and the indoor load-bearing part 200 can respectively form the outer and inner load-bearing parts of the door frame; when used for a door leaf or window leaf, they can also form a leaf frame according to the same cross-sectional relationship. The first stainless steel sheet reinforcement 104 and the second stainless steel sheet reinforcement 204 are arranged along the length of the profile, thus providing continuous reinforcement for longer frame and leaf components. The central thermal insulation connection part 300 is also continuously arranged along the length, so that the stress and thermal insulation relationship on the cross-section remains basically consistent within the length of the profile.

[0055] In this embodiment, when the door / window is subjected to force in the thickness direction, the load is jointly borne by two stainless steel sheet reinforcements, a corrugated interlocking structure, and a grid connector 304. Regarding heat conduction, thermal resistance is formed by the two stainless steel sheets being disconnected from each other, the non-metallic isolation of the grid connector 304, and the thermal insulation strips and fillers on its upper and lower sides. Thus, the load-bearing path and the direct metal heat conduction path do not completely overlap. Although the two stainless steel sheets are not in direct contact, force transmission between the two sides can still be achieved through the grid connector 304.

[0056] It should be noted that the above structure is mainly used for explanation. Figures 1 to 5 This is one specific implementation. The size of the local slots and cavities, as well as the outer contours of the first upper load-bearing profile 101, the first lower load-bearing profile 102, the second upper load-bearing profile 201, and the second lower load-bearing profile 202, can be adapted to the specific door and window system. The number of grille cavities 3041 and the number of small waveforms in the small-amplitude fitting sections 4 can also be adjusted while maintaining multiple small waveforms in coordination with multiple grille positions. After adjustment, the small-amplitude fitting sections 4 of the two stainless steel sheets should still be staggered vertically and spaced apart, the two sheets should not contact each other, and the large-amplitude fitting sections 3 on both sides should form a corresponding height relationship with the small-amplitude fitting sections 4 of the other sheet.

Claims

1. A stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure, characterized in that, It includes an outdoor load-bearing section (100), an indoor load-bearing section (200), and a central thermal insulation connection section (300) disposed between the two. The outdoor load-bearing part (100) and the indoor load-bearing part (200) are respectively provided with a first stainless steel sheet reinforcement (104) and a second stainless steel sheet reinforcement (204), and the first stainless steel sheet reinforcement (104) and the second stainless steel sheet reinforcement (204) extend into the central heat insulation connection part (300). The central heat insulation connection part (300) is provided with a grid connector (304), and a plurality of mutually separated grid cavities (3041) are formed in the grid connector (304). The portions of the first stainless steel sheet reinforcement (104) and the second stainless steel sheet reinforcement (204) that extend into the grid connector (304) are provided with a large amplitude fitting section (3) and a small amplitude fitting section (4) with a plurality of small waveforms. The large amplitude fitting section (3) and the small amplitude fitting section (4) are respectively fitted into the corresponding grid cavity (3041). The small-amplitude fitting section (4) of the first stainless steel sheet reinforcement (104) and the small-amplitude fitting section (4) of the second stainless steel sheet reinforcement (204) are staggered and spaced apart along the height direction. The top height of the large-amplitude fitting section (3) of the first stainless steel sheet reinforcement (104) is consistent with the top height of the small-amplitude fitting section (4) of the second stainless steel sheet reinforcement (204). The top height of the large-amplitude fitting section (3) of the second stainless steel sheet reinforcement (204) is consistent with the top height of the small-amplitude fitting section (4) of the first stainless steel sheet reinforcement (104). The first stainless steel sheet reinforcement (104) and the second stainless steel sheet reinforcement (204) do not contact each other.

2. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 1, characterized in that, The first stainless steel sheet reinforcement (104) and the second stainless steel sheet reinforcement (204) both include a fixed section (1), a flat bearing section (2), a large amplitude fitting section (3) and a small amplitude fitting section (4) connected in sequence. The fixed section (1), the flat bearing section (2), the large amplitude fitting section (3) and the small amplitude fitting section (4) are formed continuously from the same stainless steel sheet.

3. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 2, characterized in that, The large amplitude interlocking section (3) includes a large waveform unit, and the small amplitude interlocking section (4) includes at least two small waveform units continuously arranged along the extension direction of the stainless steel sheet. The amplitude of the large waveform unit is greater than the amplitude of the small waveform unit.

4. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 3, characterized in that, Each small waveform unit of the small amplitude interlocking section (4) is embedded in the corresponding grid cavity (3041). The peaks and troughs of each small waveform unit are limited by the adjacent grid wall to form a multi-point interlocking force transmission structure between the stainless steel sheet reinforcement and the grid connector (304).

5. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 1, characterized in that, The small-amplitude fitting section (4) of the first stainless steel sheet reinforcement (104) and the small-amplitude fitting section (4) of the second stainless steel sheet reinforcement (204) at least partially overlap in the thickness direction of the door and window. They are located in different grid cavities (3041) and separated by the grid wall of the grid connector (304).

6. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 1, characterized in that, The central heat insulation connection (300) further includes a first heat insulation strip (301), a first heat insulation filler (302) and a second heat insulation strip (303) arranged sequentially above the grid connector (304), and a third heat insulation strip (305), a second heat insulation filler (306) and a fourth heat insulation strip (307) arranged sequentially below the grid connector (304).

7. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 6, characterized in that, The first thermal insulation filler (302) is sandwiched between the first thermal insulation strip (301) and the second thermal insulation strip (303), and the second thermal insulation filler (306) is sandwiched between the third thermal insulation strip (305) and the fourth thermal insulation strip (307). The first thermal insulation filler (302) and the second thermal insulation filler (306) are located on the upper and lower sides of the grid connector (304), respectively.

8. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 1, characterized in that, The outdoor load-bearing part (100) includes a first upper load-bearing profile (101), a first lower load-bearing profile (102) and a first sealing element (103). The indoor load-bearing part (200) includes a second upper load-bearing profile (201), a second lower load-bearing profile (202) and a second sealing element (203). The first upper load-bearing profile (101), the first lower load-bearing profile (102), the second upper load-bearing profile (201) and the second lower load-bearing profile (202) are all provided with hollow cavities extending along the length direction of the door and window profiles.

9. The stainless steel sheet-reinforced heat-insulating and energy-saving door and window structure according to claim 2, characterized in that, The fixing section (1) of the first stainless steel sheet reinforcement (104) is fixed to the outdoor bearing part (100), and the fixing section (1) of the second stainless steel sheet reinforcement (204) is fixed to the indoor bearing part (200). The two straight bearing sections (2) extend from the outdoor bearing part (100) and the indoor bearing part (200) toward the central heat insulation connection part (300) respectively, and are located at different heights.

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