Window frame of rewinding screen window

Abstract

The utility model relates to the technical field of door and window structures, in particular to a window frame of a rollback screen window, which comprises a first section bar provided with a mounting cavity for mounting a screen box, and the mounting cavity penetrates through the front surface and one side surface of the first section bar; the second section bar is arranged opposite to the first section bar; the two third section bars are connected between the first section bar and the second section bar; the four cover plates are the same in width, the four cover plates are connected end to end, the front faces of the four cover plates are flush, the joint of every two adjacent cover plates is a 45-degree splicing group angle, and every two adjacent cover plates are fixed together through a binding assembly; wherein one cover plate is detachably connected to the first sectional material and covers the front face of the first sectional material, the other cover plate is detachably connected to the second sectional material and covers the front face of the second sectional material, and the other two cover plates are detachably connected to the two third sectional materials and cover the front faces of the two third sectional materials respectively. The window frame looks more attractive from the front side, and the gauze box is convenient to disassemble and assemble, so that the gauze is convenient to maintain and clean.

Description

Technical Field

[0001] This utility model relates to the field of door and window structures, and in particular to a window frame for a retractable screen window. Background Technology

[0002] A retractable screen window consists of a fixed window frame and a screen mesh installed in the window frame. Compared to a screen window with a fixed screen mesh, a retractable screen window uses a retractable mechanism to roll the screen mesh into the window frame, making it more practical. Specifically, when the user needs to use the screen mesh to cover the window, the screen mesh is pulled out from the window frame, and when the screen mesh is not needed, it is rolled back into the window frame, thus opening the window.

[0003] In related technologies, the frame of roll-up screen windows is a rectangular frame composed of four profiles. One profile has a built-in rotatable roller, and the screen is rolled up on the roller. The joints between adjacent profiles are all 90° angled, resulting in poor aesthetics. One of the four profiles is used to install the screen box, another is used to pull out the screen, and the remaining two are equipped with grooves to position and guide the screen during unfolding and retraction. Due to their different functions, the widths of the four profiles are currently inconsistent, resulting in a visually disproportionate appearance from the front. In addition, the profile used to install the screen box in existing technologies is inconvenient to open, leading to difficulties in assembling and disassembling the screen box. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a window frame for a retractable screen window, comprising:

[0005] The first profile has a mounting cavity for installing a mesh box, the mounting cavity extending through the front and one side of the first profile;

[0006] The second profile is positioned directly opposite the first profile.

[0007] Two third profiles are connected between the first profile and the second profile, and the third profiles are provided with grooves for the mesh to pass through;

[0008] Four cover plates of the same width are joined end to end and flush on the front. The connection between two adjacent cover plates is a 45° splicing angle, and the two adjacent cover plates are fixed together by a binding component.

[0009] One of the cover plates is detachably connected to the first profile and covers the front of the first profile; another cover plate is detachably connected to the second profile and covers the front of the second profile; the remaining two cover plates are detachably connected to the two third profiles and cover the front of the two third profiles respectively; the binding assembly is located on the back of the cover plate.

[0010] Furthermore, to better realize this utility model, the cover plate includes:

[0011] A cover panel is used to cover the front of the profile, and the cover panels of the four cover plates have the same width;

[0012] A connecting plate for connecting to the profile, the connecting plate being perpendicular to and fixedly connected to the cover panel.

[0013] Furthermore, to better realize this utility model, the first profile includes a first straight plate, a second straight plate, and a third straight plate. The second straight plate is disposed between the first straight plate and the third straight plate. The first straight plate is located on the side closer to the window frame, the second straight plate is located on the back of the first profile, and the third straight plate is directly opposite the first straight plate. The width of the first straight plate is smaller than that of the third straight plate. The first straight plate, the second straight plate, and the third straight plate surround to form the mounting cavity. A first fastening strip is provided on the side wall of the third straight plate near the mounting cavity.

[0014] The cover plate installed on the first profile is a first plate body. The connecting plate of the first plate body is provided with a first locking strip. The connecting plate of the first plate body is inserted into the mounting cavity. The first locking strip is snapped together with the first fastening strip. The cover panel of the first plate body covers the front of the first profile. The cover panel of the first plate body is also provided with a side panel facing the first straight plate. An opening for the mesh to pass through is formed between the side panel and the first straight plate.

[0015] Furthermore, in order to better realize this utility model, the front of the second profile is provided with two opposing first mounting plates, and each first mounting plate is provided with a second fastening strip on the side wall near the window frame.

[0016] The cover plate installed on the second profile is a second plate body. The second plate body has two connecting plates, and each of the two connecting plates of the second plate body is provided with a second locking strip. The two connecting plates of the second plate body are respectively inserted into the sides of the two first mounting plates. The second locking strip is snapped together with the second fastening strip. The cover plate of the second plate body covers the front of the second profile.

[0017] Furthermore, in order to better realize this utility model, a first sealing groove is recessed on one side wall of the second profile near the window frame, a first rubber sealing strip is installed in the first sealing groove, and one of the connecting plates of the second plate body is attached to the first rubber sealing strip.

[0018] Furthermore, in order to better realize this utility model, the front of the third profile is provided with two opposing second mounting plates, and each second mounting plate is provided with a third fastener on the side wall near the window frame.

[0019] The cover plate installed on the third profile is a third plate body. The third plate body has two connecting plates, and each of the two connecting plates of the third plate body is provided with a third locking strip. The two connecting plates of the third plate body are respectively inserted into the sides of the two second mounting plates. The third locking strip is snapped together with the third fastening strip. The cover plate of the third plate body covers the front of the third profile.

[0020] Furthermore, in order to better realize this utility model, a second sealing groove is recessed on the side wall of the third profile near the window frame, a second rubber sealing strip is installed in the second sealing groove, and one of the connecting plates of the third plate is in contact with the second rubber sealing strip.

[0021] Furthermore, in order to better realize this utility model, the two connected cover plates are respectively the first plate and the second plate. The back of the cover plate of each cover plate is provided with at least two protruding strips extending along the length direction of the cover plate. A long through groove is formed between the protruding strips. The back of each protruding strip is provided with a protrusion extending into the long through groove.

[0022] The binding assembly includes a first insert plate, a second insert plate, a first pressure plate, a second pressure plate, a first bolt, and a second bolt, wherein the first insert plate and the second insert plate are fixedly connected to form a right-angle member;

[0023] The first insert plate is inserted into the long through groove on the first plate. The first pressure plate and the first insert plate are stacked on both sides of the protrusion on the first plate. The first pressure plate has a first through hole, and the first insert plate has a first screw hole. The first bolt passes through the first through hole and is screwed into the first screw hole.

[0024] The second insert plate is inserted into the long through groove on the second plate. The second pressure plate and the second insert plate are stacked on both sides of the protrusion on the second plate. The second pressure plate has a second through hole, and the second insert plate has a second screw hole. The second bolt passes through the second through hole and is screwed into the second screw hole.

[0025] Furthermore, in order to better realize this utility model, the binding component also includes a first expansion panel, a second expansion panel, a first screw, and a second screw;

[0026] The first expansion panel is inserted into the long through groove on the first plate and docks with the first insertion plate. The first pressure plate and the first expansion panel are stacked on both sides of the protrusion on the first plate. The first pressure plate is also provided with a first through hole. The first expansion panel is provided with a first threaded hole. The first screw passes through the first through hole and is screwed into the first threaded hole.

[0027] The second expansion panel is inserted into the long through groove on the second plate and docks with the second insert plate. The second pressure plate and the second expansion panel are stacked on both sides of the protrusion on the second plate. The second pressure plate is also provided with a second through hole. The second expansion panel is provided with a second threaded hole. The second screw passes through the second through hole and is screwed into the second threaded hole.

[0028] Furthermore, in order to better realize this utility model, the outer sidewalls of the first expansion panel and the second expansion panel are provided with barbs for cooperating with the protrusion.

[0029] The beneficial effects of this utility model are reflected in the fact that the window frame of the retractable screen window provided by this utility model includes a rectangular frame composed of a first profile, a second profile, a third profile, and a fourth profile joined end to end, and four cover plates of the same width. The four cover plates are joined end to end and adjacent cover plates are fixed by a binding component. Moreover, the connection point of adjacent cover plates is a 45° angle. The front of the four cover plates connected together is flush. One cover plate is detachably connected to the first profile and covers the front of the first profile. Another cover plate is detachably connected to the second profile and covers the front of the second profile. The remaining two cover plates are detachably connected to two third profiles respectively and cover the front of the two third profiles. In this way, when the window frame is installed in the window, only four cover plates are visible from the front. Since the connection point of adjacent cover plates is a 45° angle and the four cover plates are of the same width, the dimensions are more harmonious and aesthetically pleasing when viewed from the front. The aforementioned first profile has a mounting cavity for installing the screen box. This mounting cavity extends through the front and one side of the first profile, which is the side closest to the window frame. The aforementioned cover plate covers the front of the first profile, thus protecting the screen box from the front. Since all four cover plates are detachably and fixedly installed on their respective profiles, the cover plates on the first profile can be removed to expose the screen box, facilitating the disassembly and assembly of the screen box in the mounting cavity for maintenance and cleaning of the screen. Furthermore, since the four cover plates are connected to different profiles simultaneously, the covering frame composed of the four cover plates can be more securely connected to the rectangular frame composed of the four profiles. Attached Figure Description

[0030] Figure 1 A schematic diagram of the window frame of the retractable screen window provided in an embodiment of this utility model;

[0031] Figure 2 for Figure 1 Exploded view of the structure shown;

[0032] Figure 3 This is a cross-sectional schematic diagram of the first profile in an embodiment of this utility model;

[0033] Figure 4 This is a cross-sectional schematic diagram of the cover plate installed on the first profile in an embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the installation structure of the cover plate on the first profile in an embodiment of the present utility model;

[0035] Figure 6 This is a cross-sectional schematic diagram of the second profile in an embodiment of the present utility model;

[0036] Figure 7 This is a cross-sectional schematic diagram of the cover plate installed on the second profile in an embodiment of the present invention;

[0037] Figure 8 This is a schematic diagram of the installation structure of the cover plate on the second profile in an embodiment of the present utility model;

[0038] Figure 9 This is a cross-sectional schematic diagram of the third profile in an embodiment of this utility model;

[0039] Figure 10 This is a cross-sectional schematic diagram of the cover plate installed on the third profile in an embodiment of this utility model;

[0040] Figure 11 This is a schematic diagram of the installation structure of the cover plate on the third profile in an embodiment of the present utility model;

[0041] Figure 12 This is a schematic diagram of the binding component in an embodiment of the present utility model;

[0042] Figure 13 for Figure 12 An exploded view of the bound components shown;

[0043] Figure 14 This is a structural diagram of the binding component connecting two adjacent cover plates in an embodiment of the present utility model.

[0044] Figure label:

[0045] 100 - First profile, 110 - First straight plate, 120 - Second straight plate, 130 - Third straight plate, 131 - First fastening strip, 200 - Second profile, 210 - First mounting plate, 211 - Second fastening strip, 220 - First sealing groove, 300 - Third profile, 310 - Second mounting plate, 311 - Third fastening strip, 320 - Second sealing groove, 400 - Cover plate, 410 - Covering panel, 411 - Raised strip, 412 - Raised part, 420 - Connecting plate, 430 - First retaining strip, 440 - Side panel, 450 - Second retaining strip, 460 - Third retaining plate, 500 - Binding component, 510 - First insert plate, 511 - First screw hole, 520 - Second insert plate, 521 - Second screw hole, 530 - First pressure plate, 531 - First through hole, 532 - First through hole, 540 - Second pressure plate, 541 - Second through hole, 542 - Second through hole, 551 - First bolt, 552 - Second bolt, 560 - First expansion plate, 561 - First threaded hole, 570 - Second expansion plate, 571 - Second threaded hole, 581 - First screw, 582 - Second screw, 590 - Barb. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] Example 1:

[0048] Reference Figures 1-14 As shown, the window frame of the retractable screen window provided in this embodiment includes a first profile 100, a second profile 200, two third profiles 300, and four cover plates 400, wherein:

[0049] The first profile 100 has a mounting cavity for installing a mesh box. The mounting cavity extends through the front and one side of the first profile 100. The side is adjacent to the front of the first profile 100 and is close to the inside of the window frame. Connecting assemblies are provided at both ends of the first profile 100, sealing the openings at both ends. The connecting assemblies include positioning members and end caps. The positioning members have mounting holes located on the side of the mounting cavity for installing a yarn winding shaft. A mounting portion is provided at the corner of the inner wall of the first profile 100, with a threaded through hole. Both the positioning members and the end caps have through holes, and the positioning members are stacked between the end caps and the first profile 100. A locking bolt passes through the through hole and is screwed into the threaded through hole, thereby connecting the positioning members and the end caps to the end of the first profile 100. Since the aforementioned mounting cavity extends through the front of the first profile 100, the mesh box can be inserted into the mounting cavity from the front of the first profile 100, and the mesh can be exited from the side opening of the mounting cavity.

[0050] The second profile 200 is positioned opposite the first profile 100. A magnetic strip is installed on the second profile 200. The mesh box has a handle for pulling the mesh open. The handle is equipped with a magnetic part. When the handle pulls the mesh open to its maximum extent, the magnetic strip attracts the magnetic part, thereby keeping the mesh open.

[0051] Two third profiles 300 are connected between the first profile 100 and the second profile 200. The first profile 100, the second profile 200, and the two third profiles 300 form a rectangular frame. Specifically, one end of the third profile 300 is bonded and fixed to the end side wall of the second profile 200, and the other end of the third profile 300 is connected to the positioning member. In fact, the third profile 300 has a locking hole, and the positioning member has a locking block. The locking block is inserted into the locking hole, thereby connecting the positioning member to the third profile 300. Moreover, an installation part is also provided at the corner of the inner wall of the third profile 300. The installation part has a threaded through hole, and the end cap also has a locking hole. The fastening bolt passes through the locking hole and is screwed into the threaded through hole. Thus, the third profile 300 is connected to the first profile 100 using the above-mentioned connecting assembly. Moreover, the connecting assembly not only seals the end opening of the first profile 100, but also seals the end opening of the third profile 300. The aforementioned third profile 300 is provided with a groove for the passage of the mesh.

[0052] The first profile 100, the second profile 200, and the two third profiles 300 form a rectangular frame. The mesh comes out from the first profile 100. During the unfolding process, the mesh slides through the groove, which is used to position and guide it. Then it unfolds until the handle connects with the magnetic strip. In this way, the mesh is placed inside the rectangular frame, and the mesh seals the inner hole of the rectangular frame.

[0053] Four cover plates 400 are of the same width and are connected end to end. Adjacent cover plates 400 are fixed by a binding component 500, and the connection points of adjacent cover plates 400 are at a 45° angle. The front surfaces of the four cover plates 400 connected together are flush. One cover plate 400 is detachably connected to the first profile 100 and covers the front surface of the first profile 100. Another cover plate 400 is detachably connected to the second profile 200 and covers the front surface of the second profile 200. The remaining two cover plates 400 are detachably connected to two third profiles 300 and cover the front surfaces of the two third profiles 300, respectively. Specifically, the four cover plates 400 form a covering frame.

[0054] With the above structure, when the window frame is installed in the window, only four cover plates 400 can be seen from the front. Since the joints of two adjacent cover plates 400 are spliced ​​at 45° angles, and the four cover plates 400 have the same width, the dimensions are more coordinated and aesthetically pleasing when viewed from the front. The aforementioned first profile 100 has a mounting cavity for installing the screen box, which extends through the front and one side of the first profile 100, the side being the side closest to the window frame. A cover plate 400 covers the front of the first profile 100, thus protecting the screen box from the front. Because all four cover plates 400 are detachable on their respective profiles, the cover plates 400 on the first profile 100 can be removed to expose the screen box, facilitating the installation and removal of the screen box within the mounting cavity for maintenance and cleaning. Furthermore, the four cover plates 400 are simultaneously connected to different profiles, allowing the covering frame formed by the four cover plates 400 to be more securely connected to the rectangular frame formed by the four profiles. The aforementioned binding component 500 is located on the back of the cover plate 400, so it is not visible from the front, avoiding any aesthetic impact from exposed binding components.

[0055] Optionally, the cover plate 400 includes a cover panel 410 and a connecting plate 420, wherein:

[0056] The cover panel 410 is used to cover the front of the profile. Specifically, the cover panel 410 can completely cover the front of the profile, and the cover panels 410 of the four cover plates 400 have the same width. The connecting plate 420 is used to connect with the corresponding profile. The connecting plate 420 is perpendicular to the cover panel 410 and fixedly installed on the back of the cover panel 410. When fixed in place by the binding assembly 500 to form the cover frame, the front of the four cover panels 410 are flush.

[0057] Optionally, the first profile 100 includes a first straight plate 110, a second straight plate 120, and a third straight plate 130. The second straight plate 120 is fixed between the first straight plate 110 and the third straight plate 130, so that the cross-section of the first profile 100 presents a shape similar to a "J". The first straight plate 110 is located on the side near the window frame, the second straight plate 120 is located on the back of the first profile 100, and the third straight plate 130 is directly opposite the first straight plate 110. Both the first straight plate 110 and the third straight plate 130 are perpendicular to the second straight plate 120. The width of the first straight plate 110 is smaller than that of the third straight plate 130. The first straight plate 110, the second straight plate 120, and the third straight plate 130 form the mounting cavity. Thus, the mounting cavity penetrates the front and one side of the first profile 100. A first fastening strip 131 is provided on the side wall of the third straight plate 130 near the mounting cavity.

[0058] The cover plate 400 installed on the first profile 100 is defined as the first plate body. The connecting plate 420 of the first plate body is provided with a first locking strip 430. During installation, the connecting plate 420 of the first plate body is inserted into the above-mentioned mounting cavity, and the first locking strip 430 is snapped together with the first buckle strip 131, thereby detachably connecting the cover plate 400 to the first profile 100. The cover panel 410 of the first plate body covers the front of the first profile 100. The back of the cover panel 410 of the first plate body is also provided with a side panel 440 facing the first straight plate 110. An opening for the mesh to pass through is formed between the side panel 440 and the first straight plate 110. That is, after installation, the side panel 440 is inserted into the side of the mounting cavity and forms an opening for the mesh to pass through with the first straight plate 110. The mesh coming out of the mesh box extends out of the mounting cavity in the first profile 100 through the opening.

[0059] With the above structure, the first plate (i.e., one of the cover plates 400) is detachably and fixedly installed on the first profile 100 by the snap-fit ​​connection between the first clip 430 and the first buckle 131, which is convenient for disassembly and assembly. Specifically, when it is necessary to install the first plate on the first profile 100, the connecting plate 420 of the first plate is inserted into the mounting cavity and the first clip 430 is snap-fitted to the first buckle 131. In fact, the snap-fit ​​connection between the first clip 430 and the first buckle 131 cannot stably install the first plate on the front of the first profile 100. Therefore, in this embodiment, before installing the first plate, it is necessary to fix the four cover plates 400 together by the binding component 500. Then, the four cover plates 400 are installed on the corresponding profiles at the same time. Only by using the fastening effect between the other three cover plates 400 and the second profile 200 and the two third profiles 300 can the first plate be stably installed on the first profile 100.

[0060] Optionally, in this embodiment, two opposing first mounting plates 210 are protruding from the front of the second profile 200, and a second fastening strip 211 is provided on the side wall of each first mounting plate 210 near the window frame. The cover plate 400 installed on the second profile 200 is defined as the second plate body. The second plate body has two connecting plates 420, and each of the two connecting plates 420 is provided with a second locking strip 450. The two connecting plates 420 are respectively inserted to the sides of the two first mounting plates 210, and the second locking strip 450 is snapped into place with the second fastening strip 211. The cover plate 410 of the second plate body covers the front of the second profile 200. Specifically, the second locking strips 450 on the two connecting plates 420 of the second plate body are snapped into place with the second fastening strips 211 on the two first mounting plates 210, thus allowing the second plate body to be detachably installed on the second profile 200. One of the connecting plates 420 on the second plate is located between the two first mounting plates 210 on the second profile 200. Therefore, in this embodiment, the second plate (i.e., another cover plate 400) is installed on the second profile 200 by the snap-fit ​​connection between the second clip 450 and the second buckle 211, which makes it easy to install and remove.

[0061] More preferably, a first sealing groove 220 is recessed on one side wall of the second profile 200 near the window frame, and a first rubber sealing strip (not shown in the figure) is installed in the first sealing groove 220. One of the connecting plates 420 of the second plate is attached to the first rubber sealing strip. In this way, the first rubber sealing strip can not only play a sealing role, but also reduce the installation noise generated when the second plate is in direct contact with the second profile 200.

[0062] Optionally, in this embodiment, two opposing second mounting plates 310 are protruding from the front of the third profile 300, and a third fastening strip 311 is provided on the side wall of each second mounting plate 310 near the window frame. The cover plate 400 installed on the third profile 300 is defined as the third plate body. The third plate body has two connecting plates 420, and each of the two connecting plates 420 is provided with a third locking strip 460. The two connecting plates 420 are respectively inserted to the sides of the two second mounting plates 310, and the third locking strip 460 is snapped into the third fastening strip 311. The cover plate 410 of the third plate body covers the front of the third profile 300. Specifically, the third locking strips 460 on the two connecting plates 420 of the third plate body are snapped into the third fastening strips 311 on the two second mounting plates 310, thus allowing the third plate body to be detachably installed on the third profile 300. One of the connecting plates 420 on the third plate is located between the two second mounting plates 310 on the third profile 300. Therefore, in this embodiment, the third plate (i.e., another cover plate 400) is installed on the third profile 300 by the snap-fit ​​connection between the third clip 460 and the third fastener 311, making it easy to install and remove.

[0063] More preferably, a second sealing groove 320 is recessed on the side wall of the third profile 300 near the window frame, and a second rubber sealing strip (not shown in the figure) is installed in the second sealing groove 320. One of the connecting plates 420 of the third plate is attached to the second rubber sealing strip. In this way, the second rubber sealing strip can not only play a sealing role, but also reduce the installation noise generated when the third plate is in direct contact with the third profile 300.

[0064] Optionally, in this embodiment, the two adjacent cover plates 400 are defined as the first plate and the second plate, respectively. The back of the cover plate 410 of each cover plate 400 is provided with at least two protrusions 411 extending along the length direction of the cover plate 410. The protrusions 411 are located between the connecting plate 420 and the connecting plate 420 or the side plate 440 on the back of the cover plate 410. A long through groove is formed between the protrusions 411. The back of each protrusion 411 is provided with a protrusion 412 extending into the long through groove. Specifically, the protrusion 412 is a protrusion extending along the length direction of the protrusion 411, and the protrusion extends out of the side wall of the protrusion 411.

[0065] The aforementioned binding component 500 includes a first insert plate 510, a second insert plate 520, a first pressure plate 530, a second pressure plate 540, a first bolt 551, and a second bolt 552, wherein:

[0066] The first insert plate 510 and the second insert plate 520 are fixedly connected to form a right-angle component.

[0067] During installation, the first insert plate 510 is inserted into the elongated slot on the first plate. The first pressure plate 530 and the first insert plate 510 are stacked on both sides of the protrusion 412 on the first plate. The first pressure plate 530 has a first through hole 531, and the first insert plate 510 has a first screw hole 511. The first bolt 551 passes through the first through hole 531 and is screwed into the first screw hole 511. The second insert plate 520 is inserted into the elongated slot on the second plate. The second pressure plate 540 and the second insert plate 520 are stacked on both sides of the protrusion 412 on the second plate. The second pressure plate 540 has a second through hole 541, and the second insert plate 520 has a second screw hole 521. The second bolt 552 passes through the second through hole 541 and is screwed into the second screw hole 521.

[0068] When the first bolt 551 and / or the second bolt 552 are loosened, the first pressure plate 530 and / or the second pressure plate 540 can move relative to each other. When both the first bolt 551 and the second bolt 552 are tightened, the first pressure plate 530 and the first insert plate 510 clamp the protrusion 412 on the first plate, and the second pressure plate 540 and the second insert plate 520 also clamp the protrusion 412 on the second plate, thereby stably connecting the first plate and the second plate together.

[0069] More preferably, the binding assembly 500 further includes a first expansion panel 560, a second expansion panel 570, a first screw 581, and a second screw 582. The first expansion panel 560 is inserted into a long through groove on the first plate and abuts against the first insert plate 510. The first pressure plate 530 and the first expansion panel 560 are stacked on both sides of the protrusion 412 on the first plate. It should be noted that the first expansion panel 560 and the first insert plate 510 are arranged side by side, and the first pressure plate 530 is stacked with both the first expansion panel 560 and the first insert plate 510. The first pressure plate 530 is also provided with a first through hole 532, and the first expansion panel 560 is provided with a first threaded hole 561. The first screw 581 passes through the first through hole 532 and is screwed into the first threaded hole 561. The second expansion panel 570 is inserted into the long through groove on the second plate and docks with the second insert plate 520. The second pressure plate 540 and the second expansion panel 570 are stacked on both sides of the protrusion 412 on the second plate. It should be noted that the second expansion panel 570 and the second insert plate 520 are arranged side by side, and the second pressure plate 540 is stacked with both the second expansion panel 570 and the second insert plate 520. The second pressure plate 540 is also provided with a second through hole 542, and the second expansion panel 570 is provided with a second threaded hole 571. The second screw 582 passes through the second through hole 542 and is screwed into the second threaded hole 571. In this way, when the first screw 581 and the second screw 582 are both tightened, the first pressure plate 530 and the first expansion plate 560 also clamp the protrusion 412 on the first plate, and the second pressure plate 540 and the second expansion plate 570 also clamp the protrusion 412 on the second plate. The first expansion plate 560 and the second expansion plate 570 can increase the contact area with the cover plate 400, thereby making the connection more stable.

[0070] More preferably, in the case of an expanded panel, in this embodiment, the diameter of the first through hole 531 on the first pressure plate 530 is larger than the outer diameter of the first bolt 551, and the diameter of the second through hole 541 on the second pressure plate 540 is larger than the outer diameter of the second bolt 552. In this way, the distance between the first expanded panel 560 and the first insert plate 510 and the distance between the second expanded panel 570 and the second insert plate 520 can be adjusted as needed.

[0071] Optionally, both the first expansion panel 560 and the second expansion panel 570 are provided with barbs 590 for engaging with the protrusions 411. It is worth noting that the first expansion panel 560, the second expansion panel 570, the first insert plate 510 and the second insert plate 520 are all placed in the elongated grooves between different protrusions 411. Therefore, the barbs 590 can increase the contact area between the first expansion panel 560 and the second expansion panel 570 and the corresponding protrusions 411, thereby making the connection between the two adjacent cover plates 400 after adjustment more stable.

[0072] In addition, in this embodiment, two long through slots are provided on the adjacent first plate and second plate. Correspondingly, there are two sets of the binding components 500. The two sets of binding components 500 are respectively installed on the two long through slots on the first plate and the second plate, so that the four cover plates 400 can be spliced ​​together more stably.

[0073] In the description of the embodiments of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "center," "top," "bottom," "top," "bottom," "inner," "outer," "inner side," and "outer side," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. "Inner side" refers to the interior or enclosed area or space. "Outer perimeter" refers to the area surrounding a specific component or specific area.

[0074] In the description of embodiments of this utility model, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0075] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "assembly" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0076] In the description of the embodiments of this utility model, specific features, structures, materials or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0077] In the description of the embodiments of this utility model, it should be understood that "-" and "~" represent a range of two values, and this range includes the endpoints. For example, "AB" represents a range greater than or equal to A and less than or equal to B. "A~B" represents a range greater than or equal to A and less than or equal to B.

[0078] In the description of the embodiments of this utility model, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0079] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A window frame for a retractable screen window, characterized in that, include: The first profile has a mounting cavity for installing a mesh box, the mounting cavity extending through the front and one side of the first profile; The second profile is positioned directly opposite the first profile. Two third profiles are connected between the first profile and the second profile, and the third profiles are provided with grooves for the mesh to pass through; Four cover plates of the same width are joined end to end and flush on the front. The connection between two adjacent cover plates is a 45° splicing angle, and the two adjacent cover plates are fixed together by a binding component. One of the cover plates is detachably connected to the first profile and covers the front of the first profile; another cover plate is detachably connected to the second profile and covers the front of the second profile; the remaining two cover plates are detachably connected to the two third profiles and cover the front of the two third profiles respectively; the binding assembly is located on the back of the cover plate.

2. The window frame of the retractable screen window according to claim 1, characterized in that, The cover plate includes: A cover panel is used to cover the front of the profile, and the cover panels of the four cover plates have the same width; A connecting plate for connecting to the profile, the connecting plate being perpendicular to and fixedly connected to the cover panel.

3. The window frame of the retractable screen window according to claim 2, characterized in that: The first profile includes a first straight plate, a second straight plate, and a third straight plate. The second straight plate is disposed between the first straight plate and the third straight plate. The first straight plate is located on the side closer to the window frame, the second straight plate is located on the back of the first profile, and the third straight plate is directly opposite the first straight plate. The width of the first straight plate is smaller than that of the third straight plate. The first straight plate, the second straight plate, and the third straight plate form the mounting cavity. A first fastening strip is provided on the side wall of the third straight plate near the mounting cavity. The cover plate installed on the first profile is a first plate body. The connecting plate of the first plate body is provided with a first locking strip. The connecting plate of the first plate body is inserted into the mounting cavity. The first locking strip is snapped together with the first fastening strip. The cover panel of the first plate body covers the front of the first profile. The cover panel of the first plate body is also provided with a side panel facing the first straight plate. An opening for the mesh to pass through is formed between the side panel and the first straight plate.

4. The window frame of the retractable screen window according to claim 2, characterized in that: The second profile has two opposing first mounting plates protruding from its front side, and a second fastening strip is provided on the side wall of each first mounting plate near the window frame. The cover plate installed on the second profile is a second plate body. The second plate body has two connecting plates, and each of the two connecting plates of the second plate body is provided with a second locking strip. The two connecting plates of the second plate body are respectively inserted into the sides of the two first mounting plates. The second locking strip is snapped together with the second fastening strip. The cover plate of the second plate body covers the front of the second profile.

5. The window frame of the retractable screen window according to claim 4, characterized in that: A first sealing groove is recessed on one side wall of the second profile near the window frame, and a first rubber sealing strip is installed in the first sealing groove. One of the connecting plates of the second plate is attached to the first rubber sealing strip.

6. The window frame of the retractable screen window according to claim 2, characterized in that: The front of the third profile is provided with two opposing second mounting plates, and a third fastener is provided on the side wall of each second mounting plate near the window frame. The cover plate installed on the third profile is a third plate body. The third plate body has two connecting plates, and each of the two connecting plates of the third plate body is provided with a third locking strip. The two connecting plates of the third plate body are respectively inserted into the sides of the two second mounting plates. The third locking strip is snapped together with the third fastening strip. The cover plate of the third plate body covers the front of the third profile.

7. The window frame of the retractable screen window according to claim 6, characterized in that: A second sealing groove is recessed on one side wall of the third profile near the window frame, and a second rubber sealing strip is installed in the second sealing groove. One of the connecting plates of the third plate is attached to the second rubber sealing strip.

8. The window frame of the retractable screen window according to any one of claims 2-7, characterized in that: The two adjacent cover plates are the first plate and the second plate, respectively. Each cover plate has at least two protruding strips extending along the length of the cover plate on its back side. The protruding strips form a long through groove between them, and each protruding strip has a protrusion extending into the long through groove on its back side. The binding assembly includes a first insert plate, a second insert plate, a first pressure plate, a second pressure plate, a first bolt, and a second bolt. The first insert plate and the second insert plate are fixedly connected to form a right-angle component. The first insert plate is inserted into the long through groove on the first plate. The first pressure plate and the first insert plate are stacked on both sides of the protrusion on the first plate. The first pressure plate has a first through hole, and the first insert plate has a first screw hole. The first bolt passes through the first through hole and is screwed into the first screw hole. The second insert plate is inserted into the long through groove on the second plate. The second pressure plate and the second insert plate are stacked on both sides of the protrusion on the second plate. The second pressure plate has a second through hole, and the second insert plate has a second screw hole. The second bolt passes through the second through hole and is screwed into the second screw hole.

9. The window frame of the retractable screen window according to claim 8, characterized in that: The binding assembly further includes a first expansion panel, a second expansion panel, a first screw, and a second screw; The first expansion panel is inserted into the long through groove on the first plate and docks with the first insertion plate. The first pressure plate and the first expansion panel are stacked on both sides of the protrusion on the first plate. The first pressure plate is also provided with a first through hole. The first expansion panel is provided with a first threaded hole. The first screw passes through the first through hole and is screwed into the first threaded hole. The second expansion panel is inserted into the long through groove on the second plate and docks with the second insert plate. The second pressure plate and the second expansion panel are stacked on both sides of the protrusion on the second plate. The second pressure plate is also provided with a second through hole. The second expansion panel is provided with a second threaded hole. The second screw passes through the second through hole and is screwed into the second threaded hole.

10. The window frame of the retractable screen window according to claim 9, characterized in that: Both the first and second expanded panels have barbs on their outer side walls for engaging with the protrusions.

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