Detachable triple linkage door and window screen

Abstract

This utility model provides a detachable three-linkage door and window screen, relating to the field of door and window technology, including: an upper frame plate, side frame plates, and a lower frame plate; two side frame plates are provided, which are respectively fixedly installed on the left and right sides of the upper frame plate. The upper end of the upper frame plate is provided with a groove, and a magnet is fixedly installed in the groove. A toothed plate is fixed on both side frame plates. An upper window sash, a middle window sash, and a lower window sash are installed between the two side frame plates from top to bottom. This utility model adopts a detachable combination design, and the connection between each frame plate and the window sash and the mounting base are easy to disassemble and assemble. The magnet on the upper frame plate enhances the fixing stability; the locking hook of the lower frame plate cooperates with the window frame locking groove, which is easy to install and disassemble; the toothed plate of the side frame plate cooperates with the gear of the lower window sash, etc., to realize the smooth sliding of the middle and lower window sashes; the middle window sash baffle makes the two linked, improving the convenience of operation; the lower window sash linkage structure is controlled by a knob to slide and fix, and a spring ensures elastic return, so that the lower window sash can stop at any position, ensuring stability and reliability.

Description

Technical Field

[0001] This utility model relates to the field of door and window technology, and in particular to a detachable three-linkage door and window screen. Background Technology

[0002] In modern homes, doors and windows serve as vital channels connecting indoor and outdoor spaces, and their accompanying screens play a crucial role. The core function of screens is to ensure air circulation while effectively blocking insects and other foreign objects, creating a comfortable and healthy living environment. With rising living standards, people's demands for door and window screens have expanded beyond basic protection; they now prioritize ease of use, flexibility, and durability. For example, when ventilation needs change, it's desirable for the screen's opening area to be easily adjustable to suit different environmental conditions. During operation, multiple window sashes should coordinate and operate in tandem, reducing the hassle of individual operation. Therefore, a detachable, three-linkage door and window screen has been designed.

[0003] In the existing technology, the structural design of door and window screens is relatively fixed. The connection between each frame plate and window sash is mostly non-removable. The disassembly and assembly of components are very difficult, which not only brings inconvenience to production, processing and transportation and increases costs, but also often requires complete disassembly or replacement in the later maintenance and replacement, resulting in high maintenance costs. Utility Model Content

[0004] This utility model embodiment relates to a detachable three-linkage door and window screen to solve the technical problems mentioned in the background art.

[0005] The first aspect of this utility model provides a detachable three-linkage door and window screen, specifically including: an upper frame plate, side frame plates, and a lower frame plate; two side frame plates are provided, and the two side frame plates are respectively fixedly installed on the left and right sides of the upper frame plate. The upper end of the upper frame plate is provided with a groove, and a magnet is fixedly installed in the groove. A toothed plate is fixed on both side frame plates. An upper window sash, a middle window sash, and a lower window sash are installed between the two side frame plates from top to bottom. The upper window sash is fixed to the lower end of the upper frame plate. The middle window sash and the lower window sash slide between the two side frame plates. Two mounting seats are installed on the lower frame plate. Locking hooks slide on the mounting seats and lock onto the reserved locking grooves on the window frame. A cover is provided on both mounting seats.

[0006] Furthermore, a baffle is fixedly installed at the upper end of the middle window sash.

[0007] Furthermore, a base plate is installed on the lower window sash, a housing is installed on the base plate, a rotatable rotating column is installed on the housing, and a gear is fixed on the rotating column.

[0008] Furthermore, the housing is equipped with sliding rods that can slide left and right, and toothed blocks are fixed on the sliding rods. The toothed blocks on both sliding rods mesh with gears on the rotating column.

[0009] Furthermore, a knob is fixed to the front end of the rotating column, and two springs are installed between the housing and the base plate.

[0010] Furthermore, springs are installed on both sliding rods, and fixed rods are fixed on both sliding rods. Engaging blocks are fixed on the fixed rods, and the two engaging blocks engage with the two toothed plates respectively.

[0011] Furthermore, the upper, middle, and lower window sashes are all made of high-transparency mesh.

[0012] This utility model provides a detachable three-linkage door and window screen, which has the following beneficial effects: This utility model features an ingenious overall structural design, employing a detachable assembly method. The connection between each frame plate and the window sash, as well as the design of the mounting base, facilitates the disassembly and assembly of components. This not only simplifies production, processing, and transportation but also facilitates later maintenance and replacement, reducing maintenance costs. The magnetic design of the upper frame plate enhances the adsorption and fixation effect with corresponding components, improving the overall structural stability. The locking hook of the lower frame plate, in conjunction with the pre-reserved locking groove in the window frame and the protective cover, not only achieves a firm fixation between the screen and the window frame, preventing accidental detachment, but also protects the locking hook and other components from external damage, extending their service life. Furthermore, it is easy to assemble and disassemble, improving the efficiency of installation and disassembly.

[0013] Furthermore, in this utility model, the toothed plate of the side frame plate cooperates with the gears and toothed blocks of the lower window sash to achieve smooth sliding of the middle and lower window sashes, making operation convenient and allowing for flexible adjustment of the window opening size to meet different ventilation and protection needs. The baffle design at the upper end of the middle window sash is ingenious; when the lower window sash is opened upwards, it can drive the middle window sash to rise together, realizing the linkage between the two and making the window opening operation more coherent and efficient. There is no need to operate the two window sashes separately, which greatly improves the convenience of use.

[0014] Furthermore, in this utility model, the linkage structure of the gears, sliding rods, toothed blocks, and other components of the lower window sash allows for easy control of the sliding and fixing of the window sash via a knob. This simple and labor-saving operation enhances the user experience. The spring design also strengthens the elastic reset capability between components, ensuring that the lower window sash will not fall down on its own when stopped at any position, thus guaranteeing the stability of the structure and the reliability of its use.

[0015] In addition, in this utility model, the upper, middle and lower window sashes are made of highly transparent mesh, which effectively blocks mosquitoes from entering while ensuring good light transmission and ventilation, thus balancing protective function and living comfort. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0017] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0018] In the attached diagram: Figure 1 A schematic diagram of the overall structure of this application is shown.

[0019] Figure 2 A structural schematic diagram of the upper frame plate portion of this application is shown.

[0020] Figure 3 A structural schematic diagram of the side frame plate portion of this application is shown.

[0021] Figure 4 This application shows Figure 3 A magnified structural diagram of part A in the middle.

[0022] Figure 5 A structural schematic diagram of the middle window sash portion of this application is shown.

[0023] Figure 6 A structural schematic diagram of the lower frame plate portion of this application is shown.

[0024] Figure 7 A schematic diagram of the mounting base portion of this application is shown.

[0025] Figure 8 A structural schematic diagram of the base plate portion of this application is shown.

[0026] Figure 9 A schematic diagram of the housing portion of this application is shown.

[0027] Figure 10 This application shows Figure 1 A magnified structural diagram of part B.

[0028] List of reference numerals 1. Top frame plate; 11. Magnet; 2. Side frame plate; 21. Toothed plate; 3. Bottom frame plate; 31. Mounting base; 311. Locking hook; 32. Cover shell; 4. Top window sash; 5. Middle window sash; 51. Baffle; 6. Bottom window sash; 61. Seat plate; 62. Shell base; 621. Rotating column; 622. Knob; 623. Sliding rod; 6231. Toothed block; 624. Fixing rod; 6241. Engaging block; 7. High-transparency mesh. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] Please refer to Figures 1 to 10 Example 1: This utility model proposes a detachable three-linkage door and window screen, including: an upper frame plate 1, side frame plates 2 and a lower frame plate 3; two side frame plates 2 are provided, and the two side frame plates 2 are respectively fixedly installed on the left and right sides of the upper frame plate 1. The upper end of the upper frame plate 1 is provided with a groove, and a magnet 11 is fixedly installed in the groove. A toothed plate 21 is fixed on both side frame plates 2. An upper window sash 4, a middle window sash 5 and a lower window sash 6 are installed between the two side frame plates 2 from top to bottom. The upper window sash 4 is fixed to the lower end of the upper frame plate 1. The middle window sash 5 and the lower window sash 6 slide between the two side frame plates 2. Two mounting seats 31 are installed on the lower frame plate 3. A locking hook 311 slides on the mounting seat 31 and locks onto the reserved locking groove on the window frame. A cover 32 is provided on both mounting seats 31.

[0031] In this embodiment of the utility model, a baffle 51 is fixedly installed at the upper end of the middle window sash 5. Its function is: when the lower window sash 6 is opened upward, the baffle 51 contacts the lower window sash 6 and is subjected to force, which can drive the middle window sash 5 to rise together, so as to realize the linkage between the middle window sash 5 and the lower window sash 6.

[0032] In Example 2, based on Example 1, a base plate 61 is installed on the lower window sash 6, a housing 62 is installed on the base plate 61, a rotatable rotating column 621 is installed on the housing 62, a gear is fixed on the rotating column 621, and a sliding rod 623 that can slide left and right is installed on the housing 62. A toothed block 6231 is fixed on the sliding rod 623, and both toothed blocks 6231 on the two sliding rods 623 mesh with the gear on the rotating column 621. A knob 622 is fixed to the front end of the rotating column 621. Two springs are installed between the housing 62 and the base plate 61, and springs are installed on both sliding rods 623. A fixing rod 624 is fixed to both sliding rods 623, and a meshing block 6241 is fixed to the fixing rod 624. The two meshing blocks 6241 respectively mesh with… The two toothed plates 21 mesh, and their function is as follows: by rotating the knob 622, the rotating column 621 and the gear are rotated. Utilizing the meshing relationship between the gear and the toothed block 6231, the two sliding rods 623 are driven to slide left and right, thereby enabling the meshing block 6241 on the fixed rod 624 to mesh or separate from the toothed plates 21. When the meshing block 6241 meshes with the toothed plates 21, the position of the lower window sash 6 can be fixed to prevent it from sliding on its own. When the meshing block 6241 separates from the toothed plates 21, the lower window sash 6 can slide smoothly along the side frame plate 2. The spring between the housing 62 and the seat plate 61 and the spring on the sliding rod 623 can provide elastic force to ensure the stability and reset capability of the linkage of each component, ensuring that the sliding and fixing operation of the lower window sash 6 is flexible and reliable, and improving the overall user experience.

[0033] In Example 3, based on Examples 1 and 2, the upper window sash 4, the middle window sash 5, and the lower window sash 6 all use high-transparency mesh 7. Its function is as follows: the high-transparency mesh 7 has good light transmission, which can ensure that sufficient natural light enters the room and enhance the brightness of the living space. At the same time, it has good air permeability, which can allow air to circulate smoothly and maintain fresh indoor air. In addition, the high-transparency mesh 7 can effectively block mosquitoes and other foreign objects from entering the room, creating a comfortable and safe indoor environment while ensuring ventilation and lighting.

[0034] The working principle of this embodiment is as follows: During installation, the magnet 11 on the upper frame plate 1 first attracts the metal window frame, initially fixing the overall structure position and enhancing the stability during installation. Then, the locking hook 311 on the mounting base 31 on the lower frame plate 3 locks onto the pre-reserved locking groove on the window frame, achieving a firm fixation between the overall structure and the window frame. The cover 32 protects the locking hook 311 and other components. During use, the upper window sash 4 is fixed to the lower end of the upper frame plate 1, while the middle window sash 5 and the lower window sash 6 can slide between the two side frame plates 2. When the lower window sash 6 opens upward, the baffle 51 at the upper end of the middle window sash 5 contacts the lower window sash 6, causing the middle window sash 5 to rise together, achieving linkage between the two. The two sliding rods 623 slide left and right, causing the engaging block 6241 on the fixed rod 624 to engage or disengage with the toothed plate 21 of the side frame plate 2. When the engaging block 6241 disengages from the toothed plate 21, the lower window sash 6 can slide smoothly, simultaneously driving the middle window sash 5 to move in tandem. When the engaging block 6241 engages with the toothed plate 21, the lower window sash 6 is fixed. The springs between the housing 62 and the seat plate 61, as well as the springs on the sliding rods 623, enhance the elastic reset capability of the components, ensuring that the lower window sash 6 can stop at any position without falling down on its own. The high-permeability mesh 7 of the upper window sash 4, the middle window sash 5, and the lower window sash 6 allows ventilation and light transmission while blocking mosquitoes and insects, ensuring a comfortable and safe indoor environment.

[0035] The following points should be noted in this article: 1. The accompanying drawings of this utility model embodiment only involve the structure involved in this utility model embodiment; other structures can refer to general designs.

[0036] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0037] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A detachable three-linkage door and window screen, comprising: The upper frame plate (1), side frame plate (2) and lower frame plate (3) are characterized in that there are two side frame plates (2), which are fixedly installed on the left and right sides of the upper frame plate (1) respectively. The upper end of the upper frame plate (1) is provided with a groove, and a magnet (11) is fixedly installed in the groove. Both side frame plates (2) are fixed with toothed plates (21). The upper window sash (4), middle window sash (5) and lower window sash (6) are installed between the two side frame plates (2) from top to bottom. The upper window sash (4) is fixed at the lower end of the upper frame plate (1). The middle window sash (5) and lower window sash (6) slide between the two side frame plates (2). Two mounting seats (31) are installed on the lower frame plate (3). A locking hook (311) slides on the mounting seat (31). The locking hook (311) locks onto the reserved locking groove on the window frame. Both mounting seats (31) are provided with a cover shell (32).

2. The detachable three-linkage door and window screen according to claim 1, characterized in that, A baffle (51) is fixedly installed at the upper end of the middle window sash (5).

3. The detachable three-linkage door and window screen according to claim 1, characterized in that, A seat plate (61) is installed on the lower window sash (6), a housing (62) is installed on the seat plate (61), a rotatable rotating column (621) is installed on the housing (62), and a gear is fixed on the rotating column (621).

4. A detachable three-linkage door and window screen according to claim 3, characterized in that, The housing (62) is equipped with a sliding rod (623) that can slide left and right. A toothed block (6231) is fixed on the sliding rod (623). The toothed blocks (6231) on both sliding rods (623) mesh with the gear on the rotating column (621).

5. A detachable three-linkage door and window screen according to claim 4, characterized in that, A knob (622) is fixed to the front end of the rotating column (621), and two springs are installed between the housing (62) and the seat plate (61).

6. A detachable three-linkage door and window screen according to claim 5, characterized in that, Springs are installed on both sliding rods (623), and fixed rods (624) are fixed on both sliding rods (623). Engaging blocks (6241) are fixed on the fixed rods (624), and the two engaging blocks (6241) engage with the two toothed plates (21) respectively.

7. A detachable three-linkage door and window screen according to claim 1, characterized in that, The upper window sash (4), middle window sash (5) and lower window sash (6) are all made of high-permeability mesh (7).

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