Adjustable door and window gap safety door and window
By linking the motor-driven worm gear transmission with the lifting and sliding mechanism, the problem of inaccurate adjustment of doors and windows is solved, achieving safe and convenient control and protection of door and window gaps.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GANZHOU JINLE CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-08-29
- Publication Date
- 2026-07-21
Smart Images
Figure CN224532544U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of safety door and window technology, specifically an adjustable door and window gap safety door and window. Background Technology
[0002] As urbanization progresses, the number of high-rise residential buildings increases, leading to frequent safety accidents such as children falling from buildings and objects falling from buildings. This has prompted parents to place higher demands on the anti-child touch and anti-fall functions of doors and windows. At the same time, residents on lower floors are increasingly in need of theft prevention and intrusion prevention, requiring doors and windows to be both ventilating and able to control the size of gaps to prevent outsiders from entering.
[0003] In order to reduce the occurrence of accidents, the windows in some public areas of the building need to have their opening angles restricted. However, the existing doors and windows cannot effectively control the opening angle, which leads to the limitations of the device.
[0004] Therefore, this utility model provides an adjustable door and window gap safety door and window. Utility Model Content
[0005] In order to overcome the shortcomings of existing technologies and solve the technical problems raised in the background art.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The adjustable door and window gap safety door and window of this utility model includes a window frame and a window sash. The window sash is installed inside the window frame. The inner wall of the window frame is symmetrically provided with opening and closing mechanisms for adjusting the opening and closing angle of the window sash. An insect-proof mesh is provided on one side of the opening and closing mechanism. The insect-proof mesh is fixedly installed inside the window frame. The inner wall of the window frame is symmetrically provided with lifting and sliding mechanisms. A cleaning mechanism is provided on the lifting and sliding mechanism. The lifting and sliding mechanism and the cleaning mechanism are adapted to each other for cleaning the insect-proof mesh.
[0007] Preferably, the opening and closing mechanism includes a first slide rail symmetrically fixedly installed on the inner wall of the window frame. A first slider and a second slider are slidably installed in the first slide rail. A first through groove is formed in the first slider, and a second through groove is formed in the second slider. A first worm gear is rotatably installed in the first through groove via a bearing, and a second worm gear is rotatably installed in the second through groove via a bearing. A worm is provided on one side of both the first and second worm gears, and the worm is rotatably installed on the inner wall of the window frame. A small motor is provided on the inner wall of the window frame, and the output end of the small motor is fixedly connected to the worm. The first and second worm gears are respectively meshed with the worm. A first connecting handle and a second connecting handle are rotatably installed on one side of the first slider via a bearing, and a third connecting handle is rotatably installed on one side of the second slider via a bearing. A connecting plate is fixedly installed on the end of the first connecting handle away from the first slider via a bearing. The connecting plates are all fixedly installed on one side of the window sash. The end of the second connecting handle away from the first slider is fixedly installed in the middle of the third connecting handle via a bearing. The end of the third connecting handle away from the second slider is fixedly installed on the connecting plate via a bearing.
[0008] Preferably, limit rings are fixedly installed at both ends of the worm to limit the axial movement range of the first worm wheel and the second worm wheel on the worm.
[0009] Preferably, the lifting and sliding mechanism includes fixed plates symmetrically fixedly installed on the inner wall of the window frame. Each fixed plate has a sliding groove, and a roller is slidably installed in the sliding groove. A rotating shaft is fixedly installed in each roller, and a first base is fixedly installed on the surface of the rotating shaft. The bottom end of the first base is fixedly connected to the cleaning mechanism. A second slide rail is fixedly installed on one side of each fixed plate, and the second slide rail is adapted to the cleaning mechanism.
[0010] Preferably, a limiting groove is formed at the bottom end of the sliding groove in the fixing plate, and the roller is slidably installed in the limiting groove.
[0011] Preferably, the cleaning mechanism includes a cleaning brush fixedly installed at the bottom of the first base. Four sets of second bases are fixedly installed on the upper surface of the cleaning brush. A crank is rotatably installed in each of the four sets of second bases via bearings. A slide plate is installed at the end of the crank away from the second base via bearings. A second handle is fixedly installed on the upper surface of the slide plate. Third sliders are fixedly installed on both sides of the slide plate, and the third sliders are slidably installed on the second slide rail.
[0012] Preferably, a first handle is fixedly installed on the window sash to assist in adjusting the opening and closing of the window sash.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. The adjustable door and window gap safety door and window described in this utility model has an opening and closing mechanism driven by a motor and a worm gear transmission, which, together with multiple sets of connecting handles, forms a stable linkage, realizing the automatic and precise adjustment of the door and window gap. The power output provided by the motor is stable, and the synergistic effect of the worm gear, slider, and connecting handles ensures both the smoothness and accuracy of angle adjustment, and reliably fixes the window sash position to avoid accidental displacement. The overall structure has high transmission efficiency, is easy to operate, and does not require manual force to pull. It takes into account both ease of use and safety stability, and is suitable for ventilation and protection needs in various scenarios.
[0015] 2. The adjustable door and window gap safety door and window described in this utility model features a lifting and sliding mechanism that works in conjunction with a cleaning mechanism. Through the linkage of multiple components, it achieves efficient cleaning of the insect-proof mesh. The limiting structure ensures stable movement trajectory, prevents component displacement and detachment, and improves overall safety. The cleaning brush can closely adhere to the surface of the mesh, effectively ensuring cleaning results. Manual operation is convenient and labor-saving. The overall design takes into account both cleaning effect and usage stability, extends the service life of the insect-proof mesh, and maintains good ventilation and insect-proof performance. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings.
[0017] Figure 1 This is a three-dimensional view of the overall structure of this utility model;
[0018] Figure 2 This is an exploded view of the overall structure of this utility model;
[0019] Figure 3 This is a sectional view of the opening and closing mechanism of this utility model;
[0020] Figure 4 This is a schematic diagram of the lifting and sliding mechanism and the cleaning mechanism of this utility model;
[0021] Figure 5 This is an exploded view of the lifting sliding mechanism and the cleaning mechanism of this utility model;
[0022] In the diagram: 1. Window frame; 2. Window sash; 3. Opening and closing mechanism; 31. First slide rail; 32. First slider; 33. Second slider; 34. First worm gear; 35. Second worm gear; 36. Worm; 37. First connecting handle; 38. Second connecting handle; 39. Third connecting handle; 310. Connecting plate; 311. First through groove; 312. Second through groove; 313. Small motor; 4. Insect screen; 5. First handle; 6. Lifting and sliding mechanism; 61. Fixed plate; 62. Slide groove; 63. Roller; 64. Rotating shaft; 65. Second slide rail; 66. First base; 7. Cleaning mechanism; 71. Second base; 72. Crank; 73. Slide plate; 74. Third slider; 75. Cleaning brush; 76. Second handle. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] like Figures 1 to 5 As shown in the embodiment of this utility model, an adjustable door and window gap safety door and window includes a window frame 1 and a window sash 2. The window sash 2 is installed inside the window frame 1. An opening and closing mechanism 3 is symmetrically arranged on the inner wall of the window frame 1 for adjusting the opening and closing angle of the window sash 2. An insect-proof mesh 4 is provided on one side of the opening and closing mechanism 3. The insect-proof mesh 4 is fixedly installed inside the window frame 1. A lifting and sliding mechanism 6 is symmetrically arranged on the inner wall of the window frame 1. A cleaning mechanism 7 is provided on the lifting and sliding mechanism 6. The lifting and sliding mechanism 6 and the cleaning mechanism 7 are adapted to each other for cleaning the insect-proof mesh 4. A first handle 5 is fixedly installed on the window sash 2 for assisting in adjusting the opening and closing of the window sash 2.
[0025] Specifically, when the adjustable window and door safety door is in operation, the window sash 2, with the assistance of the first handle 5, can move within the window frame 1. The symmetrical opening and closing mechanism 3 on the inner wall of the window frame 1 is responsible for adjusting the opening and closing angle of the window sash 2. When the opening and closing mechanism 3 is in operation, the small motor 313 starts, and the output end of the small motor 313 drives the worm gear 36 to rotate. The worm gear 36 drives the first worm wheel 34 and the second worm wheel 35, which mesh with it, to rotate, causing the first slider 32 and the second slider 33 to slide within the first slide rail 31. This, in turn, causes the first connecting handle 7, the second connecting handle 38, and the third connecting handle 39 to move together, and through the connecting plate 310, the window sash 2 to move. When the sash 2 changes its opening angle, the insect-proof mesh 4 fixed inside the window frame 1 can prevent insects. The symmetrical lifting and sliding mechanism 6 on the inner wall of the window frame 1 works in conjunction with the cleaning mechanism 7 to clean the insect-proof mesh 4. When the lifting and sliding mechanism 6 is working, the roller 63 slides in the sliding groove 62 and the limiting groove of the fixed plate 61, driving the first base 66 and the cleaning mechanism 7 to lift and move. When the cleaning mechanism 7 is operating, it pushes the second handle 76, causing the slide plate 73 to slide on the second slide rail 65 through the third slider 74. At the same time, the crank 72 rotates in the second base 71, allowing the cleaning brush 75 to clean the insect-proof mesh 4.
[0026] like Figures 1 to 3As shown, the opening and closing mechanism 3 includes a first slide rail 31 symmetrically fixedly installed on the inner wall of the window frame 1. A first slider 32 and a second slider 33 are slidably installed in the first slide rail 31. A first through groove 311 is opened in the first slider 32, and a second through groove 312 is opened in the second slider 33. A first worm gear 34 is rotatably installed in the first through groove 311 through a bearing, and a second worm gear 35 is rotatably installed in the second through groove 312 through a bearing. A worm 36 is provided on one side of both the first worm gear 34 and the second worm gear 35, and the worm 36 is rotatably installed on the inner wall of the window frame 1. A small motor 313 is provided on the inner wall of the window frame 1, and the output end of the small motor 313 is connected to the worm 36. The first worm gear 34 and the second worm gear 35 are respectively meshed with the worm 36. The first connecting handle 37 and the second connecting handle 38 are rotatably mounted on one side of the first slider 32 via bearings. The third connecting handle 39 is rotatably mounted on one side of the second slider 33 via bearings. The end of the first connecting handle 37 away from the first slider 32 is fixedly mounted with a connecting plate 310 via bearings. The connecting plates 310 are all fixedly mounted on one side of the window sash 2. The end of the second connecting handle 38 away from the first slider 32 is fixedly mounted with the middle of the third connecting handle 39 via bearings. The end of the third connecting handle 39 away from the second slider 33 is fixedly mounted with the connecting plate 310 via bearings.
[0027] Specifically, when the opening and closing mechanism 3 is working, the first slide rail 31, symmetrically fixed to the inner wall of the window frame 1, provides a sliding track for the first slider 32 and the second slider 33. After the small motor 313 on the inner wall of the window frame 1 is started, the output end of the small motor 313 drives the worm gear 36 to rotate. Since the first worm wheel 34 is located in the first through groove 311 of the first slider 32 and the second worm wheel 35 is located in the second through groove 312 of the second slider 33, both the second worm wheel 35 and the first worm wheel 34 are engaged with the worm gear 36. The rotation of the worm gear 36 will synchronously drive the second worm wheel 35 and the first worm wheel 34 to rotate. The rotation of the second worm wheel 35 and the first worm wheel 34 will drive the first slider 32 and the second slider 33 to slide linearly along the first slide rail 31, causing them to produce relative displacement. At this time, the first connecting handle 37 on one side of the first slider 32... The second connecting handle 38 is linked with the third connecting handle 39 on one side of the second slider 33. One end of the first connecting handle 37 is connected to the first slider 32, and the other end of the first connecting handle 37 is fixed to the connecting plate 310 by a bearing. One end of the third connecting handle 39 is connected to the second slider 33, and the other end is also fixed to the connecting plate 310. The second connecting handle 38 connects the middle of the first slider 32 and the third connecting handle 39. By changing the angle between the first connecting handle 37, the second connecting handle 38 and the third connecting handle 39, the linear motion of the first slider 32 and the second slider 33 is converted into the angle deflection of the connecting plate 310, which ultimately drives the window sash 2 fixed on the connecting plate 310 to adjust the opening and closing angle, so as to achieve precise control of the door and window gap. The whole process is powered by the small motor 313, which is stable and easy to adjust.
[0028] like Figure 3 As shown, limit rings are fixedly installed at both ends of the worm 36 to limit the axial movement range of the first worm wheel 34 and the second worm wheel 35 on the worm 36.
[0029] Specifically, it precisely constrains the axial movement of the first worm gear 34 and the second worm gear 35 on the worm 36, preventing them from shifting due to long-term meshing transmission or external impact. This ensures that the first worm gear 34 and the second worm gear 35 maintain a stable meshing state with the worm 36, reduces transmission clearance, improves the accuracy and stability of the opening and closing mechanism 3 when adjusting the angle of the window sash 2, prevents the first worm gear 34 and the second worm gear 35 from colliding with each other or getting too close during sliding, avoids wear caused by friction and compression between components, extends the service life of the first worm gear 34 and the second worm gear 35 and the worm 36, and reduces the maintenance frequency.
[0030] like Figures 4 to 5 As shown, the lifting sliding mechanism 6 includes fixed plates 61 symmetrically fixedly installed on the inner wall of the window frame 1. Each fixed plate 61 has a sliding groove 62, within which a roller 63 is slidably installed. A rotating shaft 64 is fixedly installed within each roller 63. A first base 66 is fixedly installed on the surface of the rotating shaft 64, and the bottom end of the first base 66 is fixedly connected to the cleaning mechanism 7. A second slide rail 65 is fixedly installed on one side of each fixed plate 61, and the second slide rail 65 is adapted to the cleaning mechanism 7. A limit groove is formed in the fixed plate 61 at the bottom end of the sliding groove 62. The wheel 63 is slidably installed in the limiting groove. The cleaning mechanism 7 includes a cleaning brush 75 fixedly installed at the bottom of the first base 66. Four sets of second bases 71 are fixedly installed on the upper surface of the cleaning brush 75. A crank 72 is rotatably installed in each of the four sets of second bases 71 through a bearing. A slide plate 73 is installed at the end of the crank 72 away from the second base 71 through a bearing. A second handle 76 is fixedly installed on the upper surface of the slide plate 73. A third slider 74 is fixedly installed on both sides of the slide plate 73. The third slider 74 is slidably installed on the second slide rail 65.
[0031] Specifically, the lifting sliding mechanism 6 serves as the basic support and guide structure. The fixing plate 61, symmetrically fixed to the inner wall of the window frame 1, provides the installation benchmark for the entire system. The sliding groove 62 opened in the fixing plate 61 is the main sliding channel for the roller 63, while the limiting groove at the bottom of the sliding groove 62 further limits the sliding trajectory of the roller 63, preventing it from deviating or falling off during movement. When the roller 63 slides along the sliding groove 62 and the limiting groove, the rotating shaft 64 fixed inside the roller 63 moves synchronously with the roller 63, thereby driving the first base 66 fixed on the surface of the rotating shaft 64 to move together. Since the bottom end of the first base 66 is fixedly connected to the cleaning mechanism 7, this movement is transmitted to the cleaning mechanism 7, enabling it to adjust its position with the first base 66. At the same time, the second sliding rail 65 fixedly installed on one side of the fixing plate 61 provides precise guide support for the longitudinal movement of the cleaning mechanism 7, ensuring its stable movement trajectory. The cleaning brush 75 fixed at the bottom end of the first base 66 directly acts to prevent insects. The position of the cleaning brush 75 changes with the movement of the first base 66. The four sets of second bases 71 fixed on the upper surface of the cleaning brush 75 provide a pivot point for the crank 72. The crank 72 is connected to the second base 71 through bearings and can rotate flexibly. The end of the crank 72 away from the second base 71 is connected to the slide plate 73 through bearings, forming a movable linkage structure. When the user pushes the second handle 76 on the upper surface of the slide plate 73, the third sliders 74 on both sides of the slide plate 73 will slide along the second slide rail 65, causing the slide plate 73 to move as a whole. At this time, under the traction of the slide plate 73, the crank 72 uses the second base 71 as a pivot point and slides along the slide groove 62 and the limiting groove with the roller 63, thereby driving the cleaning brush 75 to rise, so that the cleaning surface of the cleaning brush 75 is in close contact with the surface of the insect-proof mesh plate 4 for cleaning. The two work together to ensure that the cleaning brush 75 can clean the insect-proof mesh plate 4 comprehensively and efficiently. At the same time, the limiting structures ensure the stability and safety of the whole process.
[0032] Working principle:
[0033] When the opening and closing mechanism 3 is working, the first slide rail 31, symmetrically fixed to the inner wall of the window frame 1, provides a sliding track for the first slider 32 and the second slider 33. After the small motor 313 on the inner wall of the window frame 1 is started, the output end of the small motor 313 drives the worm gear 36 to rotate. Since the first worm wheel 34 is located in the first through groove 311 of the first slider 32 and the second worm wheel 35 is located in the second through groove 312 of the second slider 33, both the second worm wheel 35 and the first worm wheel 34 are engaged with the worm gear 36. The rotation of the worm gear 36 will synchronously drive the second worm wheel 35 and the first worm wheel 34 to rotate. The rotation of the second worm wheel 35 and the first worm wheel 34 will drive the first slider 32 and the second slider 33 to slide linearly along the first slide rail 31, causing them to produce relative displacement. At this time, the first connecting handle 37 on one side of the first slider 32 and the first connecting handle 34 will rotate. The second connecting handle 38 is linked with the third connecting handle 39 on one side of the second slider 33. One end of the first connecting handle 37 is connected to the first slider 32, and the other end of the first connecting handle 37 is fixed to the connecting plate 310 by a bearing. One end of the third connecting handle 39 is connected to the second slider 33, and the other end is also fixed to the connecting plate 310. The second connecting handle 38 connects the middle of the first slider 32 and the third connecting handle 39. By changing the angle between the first connecting handle 37, the second connecting handle 38 and the third connecting handle 39, the linear motion of the first slider 32 and the second slider 33 is converted into the angle deflection of the connecting plate 310, which ultimately drives the window sash 2 fixed on the connecting plate 310 to adjust the opening and closing angle, so as to achieve precise control of the door and window gap. The whole process is powered by the small motor 313, which is stable and easy to adjust.
[0034] The fixed plate 61 of the lifting sliding mechanism 6 is fixed to the inner wall of the window frame 1. The roller 63 slides along the slide groove 62 and the bottom limiting groove of the fixed plate 61. The roller 63 drives the rotating shaft 64 and the first base 66 to move, thereby adjusting the position of the connected cleaning mechanism 7. The second slide rail 65 on one side of the fixed plate 61 guides the cleaning mechanism 7. When the second handle 76 of the sliding plate 73 is pushed, the third slider 74 slides along the second slide rail 65, driving the crank 72 to rotate with the second base 71 as the fulcrum. The roller 63 slides to lift the cleaning brush 75, which closely adheres to the insect screen 4 for cleaning. Each limiting structure ensures the stability and safety of the process.
[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable door and window gap safety door and window, comprising a window frame (1) and a window sash (2), characterized in that: The window sash (2) is installed inside the window frame (1). The inner wall of the window frame (1) is symmetrically provided with opening and closing mechanisms (3) for adjusting the opening and closing angle of the window sash (2). An insect-proof mesh plate (4) is provided on one side of the opening and closing mechanism (3). The insect-proof mesh plate (4) is fixedly installed inside the window frame (1). A lifting and sliding mechanism (6) is symmetrically provided on the inner wall of the window frame (1). A cleaning mechanism (7) is provided on the lifting and sliding mechanism (6). The lifting and sliding mechanism (6) and the cleaning mechanism (7) are adapted to each other for cleaning the insect-proof mesh plate (4).
2. The adjustable door and window gap safety door and window according to claim 1, characterized in that: The opening and closing mechanism (3) includes a first slide rail (31) symmetrically fixedly installed on the inner wall of the window frame (1). A first slider (32) and a second slider (33) are slidably installed in the first slide rail (31). A first through groove (311) is opened in the first slider (32), and a second through groove (312) is opened in the second slider (33). A first worm gear (34) is rotatably installed in the first through groove (311) through a bearing, and a second worm gear (35) is rotatably installed in the second through groove (312) through a bearing. A worm (36) is provided on one side of both the first worm gear (34) and the second worm gear (35), and the worm (36) is rotatably installed on the inner wall of the window frame (1). A small motor (313) is provided on the inner wall of the window frame (1), and the output end of the small motor (313) is connected to the worm (35). 36) Fixed connection, the first worm gear (34) and the second worm gear (35) are respectively meshed with the worm (36), the first slider (32) is rotatably mounted with the first connecting handle (37) and the second connecting handle (38) through bearings on one side, the second slider (33) is rotatably mounted with the third connecting handle (39) through bearings on one side, the end of the first connecting handle (37) away from the first slider (32) is fixedly mounted with the connecting plate (310) through bearings, the connecting plates (310) are all fixedly mounted on one side of the window sash (2), the end of the second connecting handle (38) away from the first slider (32) is fixedly mounted with the middle of the third connecting handle (39) through bearings, the end of the third connecting handle (39) away from the second slider (33) is fixedly mounted with the connecting plate (310) through bearings.
3. The adjustable door and window gap safety door and window according to claim 2, characterized in that: Limiting rings are fixedly installed at both ends of the worm (36) to limit the axial movement range of the first worm wheel (34) and the second worm wheel (35) on the worm (36).
4. The adjustable door and window gap safety door and window according to claim 1, characterized in that: The lifting sliding mechanism (6) includes fixed plates (61) symmetrically fixedly installed on the inner wall of the window frame (1). Each fixed plate (61) has a sliding groove (62) in it. Rollers (63) are slidably installed in the sliding grooves (62). A rotating shaft (64) is fixedly installed in the rollers (63). A first base (66) is fixedly installed on the surface of the rotating shaft (64). The bottom end of the first base (66) is fixedly connected to the cleaning mechanism (7). A second slide rail (65) is fixedly installed on one side of each fixed plate (61). The second slide rail (65) is adapted to the cleaning mechanism (7).
5. The adjustable door and window gap safety door and window according to claim 4, characterized in that: The fixing plate (61) has a limiting groove at the bottom end of the sliding groove (62), and the roller (63) is slidably installed in the limiting groove.
6. The adjustable door and window gap safety door and window according to claim 4, characterized in that: The cleaning mechanism (7) includes a cleaning brush (75) fixedly installed at the bottom of the first base (66). Four sets of second bases (71) are fixedly installed on the upper surface of the cleaning brush (75). A crank (72) is rotatably installed in each of the four sets of second bases (71) through a bearing. A slide plate (73) is installed at the end of the crank (72) away from the second base (71) through a bearing. A second handle (76) is fixedly installed on the upper surface of the slide plate (73). A third slider (74) is fixedly installed on both sides of the slide plate (73). The third slider (74) is slidably installed on the second slide rail (65).
7. The adjustable door and window gap safety door and window according to claim 1, characterized in that: A first handle (5) is fixedly installed on the window sash (2) to assist in adjusting the opening and closing of the window sash (2).