Window system

Abstract

This utility model provides an exterior window system. The exterior window system includes a sliding window, which comprises a window frame, first and second window sashes, a screen sash, and an external fixing component. The window frame includes a lower frame, a upper frame, a left frame, and a right frame. The lower frame has first, second, and third lower mounting portions integrally formed from the interior to the exterior, and the upper frame has first, second, and third upper mounting portions integrally formed from the interior to the exterior. The first window sash is mounted on the first upper and lower mounting portions; the second window sash is mounted on the second upper and lower mounting portions and can slide left and right on the second upper and lower mounting portions; the screen sash is mounted on the third upper and lower mounting portions, and the size of the screen sash is adapted to the size of the window corresponding to the second window sash, and the screen sash can slide left and right on the third upper and lower mounting portions; the external fixing component is located on the exterior and can lock the screen sash to the window frame and unlock the screen sash to the window frame. This exterior window system provides both insect protection and safety protection.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and specifically relates to an exterior window system. Background Technology

[0002] In traditional window construction, screens are placed on the inside of the window, serving only to keep out mosquitoes and insects, and not to provide safety protection. This traditional approach may be suitable for window systems in ordinary residential buildings, but in public medical buildings, its function of preventing secondary events caused by patient emotional instability may not meet the design requirements, potentially leading to safety accidents and other unnecessary incidents. Utility Model Content

[0003] The main purpose of this invention is to propose an external window system that can both prevent mosquitoes and provide safety protection.

[0004] An exterior window system includes a sliding window, the sliding window comprising:

[0005] The window frame includes a lower frame, an upper frame, a left frame connected to the left side of the lower frame and the left side of the upper frame, and a right frame connected to the right side of the lower frame and the right side of the upper frame. The top side of the lower frame has a first lower mounting part, a second lower mounting part, and a third lower mounting part integrally formed from the interior to the exterior. The bottom side of the upper frame has a first upper mounting part, a second upper mounting part, and a third upper mounting part integrally formed from the interior to the exterior.

[0006] The first window sash is installed on the first lower mounting part and the first upper mounting part;

[0007] The second window sash is installed on the second lower mounting part and the second upper mounting part, and the second window sash can slide in the left and right directions on the second lower mounting part and the second upper mounting part;

[0008] A screen door, installed on the third lower mounting portion and the third upper mounting portion, the size of the screen door being adapted to the size of the window corresponding to the second window sash, and the screen door being able to slide in the left-right direction on the third lower mounting portion and the third upper mounting portion; and

[0009] An external fastener, located outdoors, is capable of locking the screen to the window frame and unlocking the screen to the window frame.

[0010] In one embodiment, the window frame further includes a mullion connecting the middle of the lower frame and the middle of the upper frame;

[0011] The first window sash is a fixed glass panel, with one of its left and right sides located on the central mullion and the other on the left or right side frame.

[0012] In one embodiment, the external fastener includes an external pin limiting member and an external lock limiting member. The external pin limiting member is disposed at the junction of the middle muzzle and the upper frame, and the external lock limiting member is disposed on the left frame or the right frame.

[0013] In one embodiment, both the first lower mounting portion and the first upper mounting portion have a first mounting groove, and the upper and lower ends of the first window sash are respectively located in the first mounting grooves of the first lower mounting portion and the first upper mounting portion.

[0014] Both the second lower mounting part and the second upper mounting part have a second track, and both the upper and lower ends of the second window sash have a second mounting groove. The second tracks of the second lower mounting part and the second upper mounting part are respectively located in the second mounting grooves at the upper and lower ends of the second window sash.

[0015] Both the third lower mounting part and the third upper mounting part have a third track, and both the upper and lower ends of the yarn fan have a third mounting groove. The third tracks of the third lower mounting part and the third upper mounting part are respectively located in the third mounting grooves at the upper and lower ends of the yarn fan.

[0016] In one embodiment, the top side of the lower frame also has an integrally formed lower closing part, the first lower mounting part and the lower closing part are arranged in the left and right direction, and are respectively corresponding to the first window sash and the second window sash;

[0017] The bottom side of the upper frame also has an integrally formed upper closure part. The first upper mounting part and the upper closure part are arranged in the left and right direction and are respectively corresponding to the first window sash and the second window sash.

[0018] In one embodiment, both the lower frame and the upper frame have integrally formed upper and lower exterior chambers, upper and lower interior chambers, upper and lower thermal insulation strips, upper and lower pressure lines, and upper and lower pressure plates. The upper and lower exterior chambers and the upper and lower interior chambers are connected by the upper and lower thermal insulation strips. In the area corresponding to the first window sash, the upper and lower pressure lines are provided on the upper and lower interior chambers and surround the upper and lower exterior chambers to form the first mounting groove. In the area corresponding to the second window sash, the upper and lower pressure plates connect the upper and lower exterior chambers and the upper and lower interior chambers at one end near the second window sash and form the lower closing part or the upper closing part. The second lower mounting part and the third lower mounting part are located on the upper and lower exterior chambers of the lower frame, and the second upper mounting part and the third upper mounting part are located on the upper and lower exterior chambers of the upper frame.

[0019] The upper and lower ends of the second window sash each include an outer window sash chamber, an inner window sash chamber, a window sash thermal insulation strip, and a window sash pressure line. The outer window sash chamber and the inner window sash chamber are connected by the window sash thermal insulation strip and enclose to form the second mounting groove. The window sash pressure line is located at the end of the outer window sash chamber away from the second mounting groove and cooperates with the inner window sash chamber to form a window sash mounting groove for installing the glass of the second window sash.

[0020] Both the upper and lower ends of the gauze fan include a gauze fan part and a gauze fan pressing line. One end of the gauze fan part has the third mounting groove. The gauze fan pressing line is located at the end of the gauze fan part away from the third mounting groove and cooperates with the gauze fan part to form a gauze fan mounting groove for mounting the gauze fan mesh.

[0021] In one embodiment, the right side of the left frame is integrally formed with a left closing part, a first left limiting part and a second left limiting part from the interior to the exterior, the central mullion includes a central closing part located at the left end and a central limiting part located at the right end, and the left side of the right frame is integrally formed with a right limiting part and a side seal from the interior to the exterior.

[0022] The left sealing part and the middle sealing part are arranged opposite each other. The left and right sides of the first window sash are respectively installed on the middle limiting part and the right limiting part. The left side of the second window sash is installed on the first left limiting part. The screen is installed on the second left limiting part.

[0023] In one embodiment, the left frame has an integrally formed left chamber exterior, left chamber interior, left heat insulation strip and left pressure plate. The left chamber exterior and the left chamber interior are connected by the left heat insulation strip. The left pressure plate connects the right side of the left chamber exterior and the left chamber interior and forms the left closure portion. The first left limiting portion and the second left limiting portion are both located on the left chamber exterior.

[0024] The central support includes an outer central chamber, an inner central chamber, a central heat insulation strip, a central pressure line, and a central pressure plate. The outer central chamber and the inner central chamber are connected by the central heat insulation strip. The central pressure line is located on the inner central chamber and forms a central limiting groove on the right side by enclosing the outer central chamber. The central pressure plate connects the outer central chamber and the left side of the inner central chamber and forms the central closed part.

[0025] The right side frame has an integrally formed right chamber exterior, right chamber interior, right heat insulation strip and right pressure line. The right chamber exterior and the right chamber interior are connected by the right heat insulation strip. The right pressure line is provided on the right chamber interior and surrounds the right chamber exterior to form a right limiting groove on the left side. The right chamber exterior includes the edge seal.

[0026] The left and right sides of the first window sash are respectively located in the middle limiting groove and the right limiting groove;

[0027] The second window sash includes an outer window sash chamber, an inner window sash chamber, a thermal break strip, a pressure line, and a pressure plate at both its left and right ends. The outer window sash chamber and the inner window sash chamber are connected by the thermal break strip and enclose each other to form a first window sash limiting groove located on the outer side of the second window sash. The first window sash limiting groove is inserted into the first left limiting part. The pressure line is located at the end of the outer window sash chamber away from the first window sash limiting groove and cooperates with the inner window sash chamber to form a second window sash limiting groove for installing the glass of the second window sash. The pressure plate is located at the right end of the second window sash and connects the outer window sash chamber and the inner window sash chamber to close the first window sash limiting groove located at the right end of the second window sash.

[0028] Both ends of the gauze fan include a gauze fan part and a gauze fan pressing line. The outer side of the gauze fan part has a first gauze fan limiting groove. The first gauze fan limiting groove is inserted into the second left limiting part. The gauze fan pressing line is located at the end of the gauze fan part away from the first gauze fan limiting groove, and cooperates with the gauze fan part to form a second gauze fan limiting groove for installing the gauze fan.

[0029] In one embodiment, the device further includes a fixed window and a splicing pipe, wherein the fixed window includes a fixed window frame and the fixed window frame is connected to the upper frame via the splicing pipe.

[0030] In one embodiment, both the window frame and the fixed window frame are made of aluminum alloy profiles, and the wall thickness of the aluminum alloy profiles is greater than or equal to 1.8 mm.

[0031] Both the sliding window and the fixed window are laminated tempered insulated glass.

[0032] The height of the thermal insulation strip for both the sliding window and the fixed window is 26mm.

[0033] The mesh of the screen is made of 1.2mm thick diamond yarn.

[0034] In the aforementioned window system, the second window sash can function as a sliding window sash, facilitating ventilation. A screen is also installed, its size adapted to the window size corresponding to the second window sash. This allows for insect protection while ventilation through the second window sash. Furthermore, the screen is located outdoors and is secured by external fasteners, preventing it from being locked or unlocked from the inside. Therefore, the screen also provides a safety function when ventilation is achieved through the second window sash. Furthermore, the third lower mounting part for installing the screen sash is integrally formed with the first and second lower mounting parts of the lower frame, and the third upper mounting part for installing the screen sash is integrally formed with the first and second upper mounting parts of the upper frame. In other words, the third lower and third upper mounting parts for installing the screen sash are integrally formed with the window frame. Compared with the method of fixing the third lower and third upper mounting parts of the screen sash to the window frame with screws, the exterior window system can have better structural performance and structural strength. Moreover, it can make the outer side of the exterior window system have a higher degree of flatness and no protrusions, which can improve the overall aesthetics of the facade. The overall aesthetics of the facade promote the standardization of the system for meeting the essential functional requirements of the building. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of an external window system according to an embodiment of the present invention;

[0036] Figure 2 It is along Figure 1 Cross-sectional view of line AA in the middle;

[0037] Figure 3 It is along Figure 1 Cross-sectional view of the middle BB line;

[0038] Figure 4 It is along Figure 1 Cross-sectional view of the CC line;

[0039] Figure 5 It is along Figure 1 Cross-sectional view of the DD line. Detailed Implementation

[0040] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0041] like Figures 1-3 As shown, an exterior window system 10 of this utility model is presented. The exterior window system 10 includes a sliding window 10a and a fixed window 10b.

[0042] The sliding window 10a includes a window frame 12, a first window sash 14, a second window sash 16, a screen sash 18, and an external fastener 19.

[0043] The window frame 12 includes a lower frame 100, an upper frame 200, a left frame 300 connecting the left side of the lower frame 100 and the left side of the upper frame 200, and a right frame 400 connecting the right side of the lower frame 100 and the right side of the upper frame 200. The top side of the lower frame 100 has a first lower mounting portion 102, a second lower mounting portion 104, and a third lower mounting portion 106 integrally formed sequentially from the interior to the exterior. The bottom side of the upper frame 200 has a first upper mounting portion 202, a second upper mounting portion 204, and a third upper mounting portion 206 integrally formed sequentially from the interior to the exterior.

[0044] The first window sash 14 is installed on the first lower mounting part 102 and the first upper mounting part 202.

[0045] The second window sash 16 is mounted on the second lower mounting portion 104 and the second upper mounting portion 204. The second window sash 16 can slide in the left and right direction on the second lower mounting portion 104 and the second upper mounting portion 204. Thus, the second window sash 16 can form the movable sash of the sliding window 10a.

[0046] The screen sash 18 is mounted on the third lower mounting portion 106 and the third upper mounting portion 206. The size of the screen sash 18 is adapted to the size of the window corresponding to the second window sash 16. The screen sash 18 can slide in the left and right direction on the third lower mounting portion 106 and the third upper mounting portion 206.

[0047] The external fastener 19 is located outdoors. The external fastener 19 can lock the screen sash 18 to the window frame 12 and can also unlock and lock the screen sash 18 to the window frame 12. When the external fastener 19 locks the screen sash 18 to the window frame 12, the screen sash 18 is fixed to the window frame 12. When the external fastener 19 locks the screen sash 18 to the window frame 12, the screen sash 18 can slide left and right on the third lower mounting part 106 and the third upper mounting part 206. Thus, by sliding the screen sash 18 left and right, the second window sash 16 can be exposed outdoors, facilitating cleaning of the second window sash 16 from the outdoor side.

[0048] In the aforementioned external window system 10, the second window sash 16 can form the movable sash of the sliding window 10a, facilitating ventilation. A screen sash 18 is also provided, and its size is adapted to the window size corresponding to the second window sash 16. This allows for insect protection by the screen sash 18 when ventilation is achieved through the second window sash 16. Furthermore, the screen sash 18 is located outdoors and is locked and unlocked by an external fixing member 19 located outdoors. It cannot be locked or unlocked indoors, thus providing a safety protection function when ventilation is achieved through the second window sash 16. Furthermore, the third lower mounting part 106 for installing the screen sash 18 is integrally formed with the first lower mounting part 102 and the second lower mounting part 104 of the lower frame 100, and the third upper mounting part 206 for installing the screen sash 18 is integrally formed with the first upper mounting part 202 and the second upper mounting part 204 of the upper frame 200. That is, the third lower mounting part 106 and the third upper mounting part 206 for installing the screen sash 18 are integrally formed with the window frame 12. Compared with the method of fixing the third lower mounting part 106 and the third upper mounting part 206 of the screen sash 18 to the window frame 12 with screws, the exterior window system 10 can have better structural performance and structural strength. Moreover, the outer side of the exterior window system 10 can have a higher degree of flatness without any protrusions, which can improve the overall aesthetics of the facade. The overall aesthetics of the facade promote the standardization of the system for meeting the essential functional requirements of the building.

[0049] In this embodiment, the first window sash 14 is a fixed sash and cannot slide in the left-right direction on the first lower mounting portion 102 and the first upper mounting portion 202. It can be understood that in other embodiments, the first window sash 14 may also be a movable sash.

[0050] In this embodiment, the fixed sash is a fixed glass panel, meaning the sash frame is omitted. It is understood that in other embodiments, the fixed sash may also include a fixed glass panel and a sash frame disposed around the periphery of the fixed glass panel.

[0051] In this embodiment, the window frame 12 further includes a mullion 500 connecting the middle of the lower frame 100 and the middle of the upper frame 200. One of the left and right sides of the first window sash 14 is disposed on the mullion 500, and the other is disposed on the left frame 300 or the right frame 400.

[0052] In this embodiment, the external fixing member 19 includes an external pin limiting member 19a and an external lock limiting member 19b. The external pin limiting member 19a is located at the junction of the center mullion 500 and the upper frame 200. The external lock limiting member 19b is located on the left frame 300 or the right frame 400. This ensures that the screen sash 18 is firmly fixed to the window frame 12 and facilitates unlocking and fixing the screen sash 18 from the outside. It is understood that in other embodiments, the external fixing member 19 may only have one limiting member. Specifically, in this embodiment, the left side of the first window sash 14 is located on the center mullion 500, the right side is located on the right frame 400, and the external lock limiting member 19b is located on the left frame 300.

[0053] In this embodiment, both the first lower mounting portion 102 and the first upper mounting portion 202 have a first mounting groove (102a / 202a). The upper and lower ends of the first window sash 14 are respectively located in the first mounting grooves (102a / 202a) of the first lower mounting portion 102 and the first upper mounting portion 202.

[0054] The second lower mounting part 104 and the second upper mounting part 204 both have a second track (104a / 204a). The upper and lower ends of the second window sash 16 both have a second mounting groove 16a. The second tracks (104a / 204a) of the second lower mounting part 104 and the second upper mounting part 204 are respectively located in the second mounting grooves 16a at the upper and lower ends of the second window sash 16.

[0055] Both the lower mounting section 106 and the upper mounting section 206 have a third track (106a / 206a). The upper and lower ends of the screen 18 have a third mounting groove 18a. The third tracks (106a / 206a) of the lower mounting section 106 and the upper mounting section 206 are located in the third mounting grooves 18a at the upper and lower ends of the screen 18, respectively.

[0056] In the above structure, the first window sash 14 is fixed and limited by the first mounting groove (102a / 202a), the second window sash 16 is slidably limited by the cooperation of the second mounting groove 16a and the second track (104a / 204a), and the screen sash 18 is slidably limited by the cooperation of the third mounting groove 18a and the third track (106a / 206a). The structure is simple and easy to implement. Moreover, tracks are provided at both the upper and lower ends of the second window sash 16 and the screen sash 18, which facilitates sliding. It can be understood that in other embodiments, tracks may be provided only at one end of the second window sash 16 and the screen sash 18, and the limiting part may be provided at the other end.

[0057] In this embodiment, the top side of the lower frame 100 also has an integrally formed lower closing portion 108. The first lower mounting portion 102 and the lower closing portion 108 are arranged in the left-right direction and are respectively corresponding to the first window sash 14 and the second window sash 16. The bottom side of the upper frame 200 also has an integrally formed upper closing portion 208. The first upper mounting portion 202 and the upper closing portion 208 are arranged in the left-right direction and are respectively corresponding to the first window sash 14 and the second window sash 16. In this way, the window frame 12 can be made more robust and has better waterproof, thermal insulation and heat insulation effects.

[0058] In this embodiment, both the lower frame 100 and the upper frame 200 have integrally formed upper and lower exterior panels (110 / 210), upper and lower interior panels (120 / 220), upper and lower thermal insulation strips (130 / 230), upper and lower pressure lines (140 / 240), and upper and lower pressure plates (150 / 250). The upper and lower exterior panels (110 / 210) and the upper and lower interior panels (120 / 220) are connected by the upper and lower thermal insulation strips (130 / 230). In the area corresponding to the first window sash 14, the upper and lower pressure lines (140 / 240) are provided on the upper and lower interior panels (120 / 220) and enclose the upper and lower exterior panels (110 / 210) to form a first mounting groove (102a / 202a). In the area corresponding to the second window sash 16, upper and lower pressure plates (150 / 250) connect the upper and lower exterior (110 / 210) and the upper and lower interior (120 / 220) near the end of the second window sash 16 and form a lower closing portion 108 or an upper closing portion 208. A second lower mounting portion 104 and a third lower mounting portion 106 are located on the upper and lower exterior (110 / 210) of the lower frame 100. A second upper mounting portion 204 and a third upper mounting portion 206 are located on the upper and lower exterior (110 / 210) of the upper frame 200.

[0059] The second window sash 16 includes an outer window sash chamber 162, an inner window sash chamber 164, a thermal break strip 166, and a window sash pressure line 168 at both its upper and lower ends. The outer window sash chamber 162 and the inner window sash chamber 164 are connected by the thermal break strip 166 and enclose each other to form a second mounting groove 16a. The window sash pressure line 168 is located at the end of the outer window sash chamber 162 away from the second mounting groove 16a, and cooperates with the inner window sash chamber 164 to form a window sash mounting groove 16b for mounting the glass 161 of the second window sash 16.

[0060] Both the upper and lower ends of the gauze fan 18 include a gauze fan portion 182 and a gauze fan pressing line 184. One end of the gauze fan portion 182 has a third mounting groove 18a. The gauze fan pressing line 184 is located at the end of the gauze fan portion 182 away from the third mounting groove 18a, and cooperates with the gauze fan portion 182 to form a gauze fan mounting groove 18b for mounting the gauze net 181 of the gauze fan 18.

[0061] In the above structure, the lower frame 100, the upper frame 200, and the upper and lower ends of the second window sash 16 are all connected by thermal insulation strips to form a segment bridge structure, thereby achieving better thermal insulation effect.

[0062] In this embodiment, as Figure 1 , Figure 4 and Figure 5 As shown, the right side of the left frame 300, from the interior to the exterior, is integrally formed with a left sealing part 300a, a first left limiting part 300b, and a second left limiting part 300c. The mullion 500 includes a central sealing part 500a at the left end and a central limiting part 500b at the right end. The left side of the right frame 400, from the interior to the exterior, is integrally formed with a right limiting part 400a and a side seal 400b. The left sealing part 300a and the central sealing part 500a are directly opposite each other. The left and right sides of the first window sash 14 are respectively installed on the central limiting part 500b and the right limiting part 400a. The left side of the second window sash 16 is installed on the first left limiting part 300b. The screen sash 18 is installed on the second left limiting part 300c. This facilitates the installation of the first window sash 14, the second window sash 16, and the screen sash 18, and also makes the window frame 12 more robust, providing better waterproofing, thermal insulation, and heat insulation effects.

[0063] In this embodiment, the left frame 300 has an integrally formed left external ventricular lead 0, left internal ventricular interior 320, left thermal insulation strip 330, and left pressure plate 340. The left external ventricular lead 0 and the left internal ventricular interior 320 are connected by the left thermal insulation strip 330. The left pressure plate 340 connects the right side of the left external ventricular lead 0 and the left internal ventricular interior 320 and forms a left closure portion 300a. The first left limiting portion 300b and the second left limiting portion 300c are both located on the left external ventricular lead 0.

[0064] The central support 500 includes an outer central chamber 510, an inner central chamber 520, a central thermal insulation strip 530, a central pressure line 540, and a central pressure plate 550. The outer central chamber 510 and the inner central chamber 520 are connected by the central thermal insulation strip 530. The central pressure line 540 is located on the inner central chamber 520 and, together with the outer central chamber 510, forms a central limiting groove 500c located on the right side. The central pressure plate 550 connects the outer central chamber 510 and the left side of the inner central chamber 520 and forms a central sealing portion 500a.

[0065] The right frame 400 has an integrally formed right chamber exterior 410, right chamber interior 420, right thermal insulation strip 430, and right pressure line 440. The right chamber exterior 410 and right chamber interior 420 are connected by the right thermal insulation strip 430. The right pressure line 440 is provided on the right chamber interior 420 and encloses the right chamber exterior 410 to form a right limiting groove 400c located on the left side. The right chamber exterior 410 includes a side seal 400b.

[0066] The left and right sides of the first window sash 14 are respectively located in the middle limiting groove 500c and the right limiting groove 400c.

[0067] The second window sash 16 includes a window sash exterior 162, a window sash interior 164, a window sash thermal break strip 166, a window sash pressure line 168, and a window sash pressure plate 169 at both its left and right ends. The window sash exterior 162 and the window sash interior 164 are connected by the window sash thermal break strip 166 and enclose a first window sash limiting groove 16c located on the outer side of the second window sash 16. The first window sash limiting groove 16c is inserted into a first left limiting part 300b. The window sash pressure line 168 is located at the end of the window sash exterior 162 away from the first window sash limiting groove 16c and cooperates with the window sash interior 164 to form a second window sash limiting groove 16d for installing the glass of the second window sash 16. The window sash pressure plate 169 is located at the right end of the second window sash 16 and connects the window sash exterior 162 and the window sash interior 164 to close the first window sash limiting groove 16c located at the right end of the second window sash 16.

[0068] Both ends of the gauze fan 18 include a gauze fan portion 182 and a gauze fan pressing line 184. The outer side of the gauze fan portion 182 has a first gauze fan limiting groove 18c. The first gauze fan limiting groove 18c is inserted into a second left limiting portion 300c. The gauze fan pressing line 184 is located at the end of the gauze fan portion 182 away from the first gauze fan limiting groove 18c, and cooperates with the gauze fan portion 182 to form a second gauze fan limiting groove 18d for mounting the gauze fan 18 on the mesh 181.

[0069] In the above structure, the left frame 300, the middle mullion 500, the right frame 400, and the left and right ends of the second window sash 16 are all connected by thermal break strips to form a segment bridge structure, thereby achieving better thermal insulation effect.

[0070] In this embodiment, the fixed window 10b is disposed on the upper frame 200 of the sliding window 10a. This allows for greater diversity in the external window system 10. It is understood that in other embodiments, the fixed window 10b may be omitted.

[0071] In this embodiment, the outer window system 10 further includes a splicing tube 600. The fixed window 10b includes a fixed window frame 700 and a fixed glass 800 disposed within the fixed window frame 700. The fixed window frame 700 and the upper frame 200 are connected by the splicing tube 600.

[0072] In this embodiment, the fixed window frame 700 includes a first frame 710, a second frame 720, a third frame 730, a fourth frame 740 connected in sequence, and a fixed atrium 750. The first frame 710 is disposed on the splicing tube 600. The second frame 720 is arranged at intervals from the first frame 710 in the vertical direction. The third frame 730 is located on the extension line of the left frame 300. The fourth frame 740 is located on the extension line of the right frame 400. The fixed atrium 750 connects the middle of the first frame 710 and the middle of the second frame 720, and divides the fixed window frame 700 into a left window frame and a right window frame. The fixed atrium 750 is located on the extension line of the mullion 500. The fixed glass 800 includes a left fixed glass 810 disposed in the left window frame and a right fixed glass 820 disposed in the right window frame.

[0073] In this embodiment, both the window frame 12 of the sliding window 10a and the fixed window frame 700 of the fixed window 10b are made of aluminum alloy profiles. The wall thickness of the aluminum alloy profiles is greater than or equal to 1.8 mm. This provides them with good strength.

[0074] In this embodiment, both the sliding window 10a and the fixed window 10b are laminated tempered insulated glass. This provides better energy-saving performance and improved impact resistance, giving security personnel more time for emergency response. Specifically, in this embodiment, the laminated tempered insulated glass is 5mm + 1.14mm PVB + 5mm Low-E + 12Ar + 6mm glass, meaning the 5mm thick glass is bonded to the 5mm thick low-emissivity glass with a 1.14mm layer of adhesive (PVB, dibutyl phthalate), and then connected to the 6mm thick glass, with a 12mm air gap between the low-emissivity glass and the 6mm thick glass.

[0075] In this embodiment, the height of the thermal insulation strip of both the sliding window 10a and the fixed window 10b is 26mm. This provides good thermal insulation performance.

[0076] In this embodiment, the mesh 181 of the screen 18 is made of 1.2mm thick diamond yarn. This provides both insect repellent and safety protection.

[0077] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. An exterior window system characterized in that, Includes a sliding window, the sliding window comprising: The window frame includes a lower frame, an upper frame, a left frame connected to the left side of the lower frame and the left side of the upper frame, and a right frame connected to the right side of the lower frame and the right side of the upper frame. The top side of the lower frame has a first lower mounting part, a second lower mounting part, and a third lower mounting part integrally formed from the interior to the exterior. The bottom side of the upper frame has a first upper mounting part, a second upper mounting part, and a third upper mounting part integrally formed from the interior to the exterior. The first window sash is installed on the first lower mounting part and the first upper mounting part; The second window sash is installed on the second lower mounting part and the second upper mounting part, and the second window sash can slide in the left and right directions on the second lower mounting part and the second upper mounting part; A screen door, installed on the third lower mounting portion and the third upper mounting portion, the size of the screen door being adapted to the size of the window corresponding to the second window sash, and the screen door being able to slide in the left-right direction on the third lower mounting portion and the third upper mounting portion; and An external fastener, located outdoors, is capable of locking the screen to the window frame and unlocking the screen to the window frame.

2. The exterior window system of claim 1, wherein, The window frame also includes a mullion connecting the middle of the lower frame and the middle of the upper frame; The first window sash is a fixed glass panel, with one of its left and right sides located on the central mullion and the other on the left or right side frame.

3. The exterior window system of claim 2, wherein, The external fastener includes an external pin limiting member and an external lock limiting member. The external pin limiting member is located at the junction of the middle muzzle and the upper frame, and the external lock limiting member is located on the left frame or the right frame.

4. The exterior window system of claim 2, wherein, Both the first lower mounting part and the first upper mounting part have a first mounting groove, and the upper and lower ends of the first window sash are respectively located in the first mounting grooves of the first lower mounting part and the first upper mounting part; Both the second lower mounting part and the second upper mounting part have a second track, and both the upper and lower ends of the second window sash have a second mounting groove. The second tracks of the second lower mounting part and the second upper mounting part are respectively located in the second mounting grooves at the upper and lower ends of the second window sash. Both the third lower mounting part and the third upper mounting part have a third track, and both the upper and lower ends of the yarn fan have a third mounting groove. The third tracks of the third lower mounting part and the third upper mounting part are respectively located in the third mounting grooves at the upper and lower ends of the yarn fan.

5. The exterior window system of claim 4, wherein, The top side of the lower frame also has an integrally formed lower closing part. The first lower mounting part and the lower closing part are arranged in the left and right direction and are respectively corresponding to the first window sash and the second window sash. The bottom side of the upper frame also has an integrally formed upper closure part. The first upper mounting part and the upper closure part are arranged in the left and right direction and are respectively corresponding to the first window sash and the second window sash.

6. The exterior window system of claim 5, wherein, Both the lower frame and the upper frame have integrally formed upper and lower chamber exteriors, upper and lower chamber interiors, upper and lower thermal insulation strips, upper and lower pressure lines, and upper and lower pressure plates. The upper and lower chamber exteriors and the upper and lower chamber interiors are connected by the upper and lower thermal insulation strips. In the area corresponding to the first window sash, the upper and lower pressure lines are provided on the upper and lower chamber interiors and surround the upper and lower chamber exteriors to form the first mounting groove. In the area corresponding to the second window sash, the upper and lower pressure plates connect the upper and lower chamber exteriors and the upper and lower chamber interiors at one end near the second window sash and form the lower closing part or the upper closing part. The second lower mounting part and the third lower mounting part are located on the upper and lower chamber exteriors of the lower frame, and the second upper mounting part and the third upper mounting part are located on the upper and lower chamber exteriors of the upper frame. The upper and lower ends of the second window sash each include an outer window sash chamber, an inner window sash chamber, a window sash thermal insulation strip, and a window sash pressure line. The outer window sash chamber and the inner window sash chamber are connected by the window sash thermal insulation strip and enclose to form the second mounting groove. The window sash pressure line is located at the end of the outer window sash chamber away from the second mounting groove and cooperates with the inner window sash chamber to form a window sash mounting groove for installing the glass of the second window sash. Both the upper and lower ends of the gauze fan include a gauze fan part and a gauze fan pressing line. One end of the gauze fan part has the third mounting groove. The gauze fan pressing line is located at the end of the gauze fan part away from the third mounting groove and cooperates with the gauze fan part to form a gauze fan mounting groove for mounting the gauze fan mesh.

7. The exterior window system of claim 2, wherein, The right side of the left frame is integrally formed from the interior to the exterior with a left closing part, a first left limiting part and a second left limiting part. The central mullion includes a central closing part located at the left end and a central limiting part located at the right end. The left side of the right frame is integrally formed from the interior to the exterior with a right limiting part and a side seal. The left sealing part and the middle sealing part are arranged opposite each other. The left and right sides of the first window sash are respectively installed on the middle limiting part and the right limiting part. The left side of the second window sash is installed on the first left limiting part. The screen is installed on the second left limiting part.

8. The exterior window system of claim 7, wherein, The left frame has an integrally formed left chamber exterior, left chamber interior, left heat insulation strip and left pressure plate. The left chamber exterior and the left chamber interior are connected by the left heat insulation strip. The left pressure plate connects the right side of the left chamber exterior and the left chamber interior and forms the left closure. The first left limiting part and the second left limiting part are both located on the left chamber exterior. The central support includes an outer central chamber, an inner central chamber, a central heat insulation strip, a central pressure line, and a central pressure plate. The outer central chamber and the inner central chamber are connected by the central heat insulation strip. The central pressure line is located on the inner central chamber and forms a central limiting groove on the right side by enclosing the outer central chamber. The central pressure plate connects the outer central chamber and the left side of the inner central chamber and forms the central closed part. The right side frame has an integrally formed right chamber exterior, right chamber interior, right heat insulation strip and right pressure line. The right chamber exterior and the right chamber interior are connected by the right heat insulation strip. The right pressure line is provided on the right chamber interior and surrounds the right chamber exterior to form a right limiting groove on the left side. The right chamber exterior includes the edge seal. The left and right sides of the first window sash are respectively located in the middle limiting groove and the right limiting groove; The second window sash includes an outer window sash chamber, an inner window sash chamber, a thermal break strip, a pressure line, and a pressure plate at both its left and right ends. The outer window sash chamber and the inner window sash chamber are connected by the thermal break strip and enclose each other to form a first window sash limiting groove located on the outer side of the second window sash. The first window sash limiting groove is inserted into the first left limiting part. The pressure line is located at the end of the outer window sash chamber away from the first window sash limiting groove and cooperates with the inner window sash chamber to form a second window sash limiting groove for installing the glass of the second window sash. The pressure plate is located at the right end of the second window sash and connects the outer window sash chamber and the inner window sash chamber to close the first window sash limiting groove located at the right end of the second window sash. Both ends of the gauze fan include a gauze fan part and a gauze fan pressing line. The outer side of the gauze fan part has a first gauze fan limiting groove. The first gauze fan limiting groove is inserted into the second left limiting part. The gauze fan pressing line is located at the end of the gauze fan part away from the first gauze fan limiting groove, and cooperates with the gauze fan part to form a second gauze fan limiting groove for installing the gauze fan.

9. The exterior window system of claim 1, wherein, It also includes a fixed window and a connecting pipe, wherein the fixed window includes a fixed window frame and the fixed window frame is connected to the upper frame through the connecting pipe.

10. The exterior window system of claim 1, wherein, Both the window frame and the fixed window frame are made of aluminum alloy profiles, and the wall thickness of the aluminum alloy profiles is greater than or equal to 1.8mm. Both the sliding window and the fixed window are laminated tempered insulated glass. The height of the thermal insulation strip for both the sliding window and the fixed window is 26 mm. The mesh of the screen is made of 1.2mm thick diamond yarn.

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