Screen window capable of preventing cold air from entering
By designing a detachable ventilation module and sealing components in the screen window, and using heating wires to preheat the air and transparent heat insulation film to seal it, the problem of cold air entering the screen window in winter is solved, achieving a balance between indoor and outdoor air exchange and heat preservation, thus improving the practicality and comfort of the screen window.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU HUANRAN INTELLIGENT TECH
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-21
AI Technical Summary
When existing window screens are used in winter, the large temperature difference between indoors and outdoors causes cold air to enter the room, affecting the heating effect and making it difficult to balance indoor air freshness and warmth.
A screen window designed to prevent cold air from entering includes a detachable ventilation module and a sealing component. The ventilation module contains a heating wire for preheating the air, and the sealing component seals the upper and lower parts of the screen with a transparent heat-insulating film, achieving a combination of air exchange and heat preservation.
In cold seasons, the air is preheated by heating wires to prevent cold air from entering the room and keep the room warm. Meanwhile, in summer, the detachable ventilation module does not affect the ventilation function, improving the practicality and comfort of the screen window.
Smart Images

Figure CN224149468U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screen technology, specifically to a screen that prevents cold air from entering. Background Technology
[0002] While the primary function of diamond mesh window screens is burglar prevention, the dense mesh on the screens allows for ventilation, enabling air circulation between the indoor and outdoor areas, and also helps to keep out mosquitoes and other insects.
[0003] However, when using window screens in winter, the temperature difference between indoors and outdoors is significant due to the air conditioning and heating being on. To ensure fresh indoor air, the windows need to be opened, allowing cold air to enter the room through the screen. This cold air reduces the effectiveness of heating, failing to achieve both heating and ventilation simultaneously. Therefore, there is an urgent need to design a window screen that prevents cold air from entering to solve these problems. Utility Model Content
[0004] The purpose of this invention is to provide a screen window that prevents cold air from entering, thereby overcoming the aforementioned shortcomings of the prior art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A screen window for preventing cold air from entering includes a window frame, wherein a mesh screen is fixedly installed inside the rear of the window frame, the mesh screen being used for ventilation between indoors and outdoors.
[0007] A detachable ventilation module is provided in the middle of the window frame, which is used at least to preheat the cold air entering the room.
[0008] The ventilation module is equipped with locking mechanisms on both sides. The ventilation module is installed inside the window frame through the locking mechanisms. The locking mechanisms are used to lock the ventilation module on the window frame.
[0009] Sealing components are provided at the top and bottom of the front of the window frame, and the sealing components are used to seal at least the top and bottom parts of the mesh.
[0010] Preferably, the inner walls on both sides of the window frame are provided with several pin holes, and symmetrically distributed guide blocks are fixedly connected to the inner walls on both sides of the window frame. The ventilation module is slidably inserted into the two vertically distributed inner walls.
[0011] Preferably, the sealing assembly includes a roller fixed to the inner walls of the top and bottom of the window frame, with a transparent heat-insulating film wound around the roller and the transparent heat-insulating film covering the front of the mesh.
[0012] A header plate is fixedly installed at the top and bottom of the window frame, and the header plate covers the outside of the scroll.
[0013] A handle is provided on the outside of the transparent heat insulation film near the ventilation module.
[0014] Preferably, the ventilation module includes a mounting frame, inside which are arranged a plurality of heating wires, and inside which is arranged a protective panel covering one side of the heating wires.
[0015] Preferably, the locking mechanism includes a sliding hole and a through hole disposed at the end of the fixing frame;
[0016] A slider is slidably inserted into the through hole, and a connecting handle is fixedly installed on one side of the front of the slider. A spring is provided inside one end of the through hole and fixed to the slider.
[0017] A handle is fixedly connected between the two connecting handles.
[0018] In the above technical solution, the screen window that prevents cold air from entering provided by this utility model has the following beneficial effects:
[0019] (1) The ventilation module designed in the middle of the window screen can realize normal indoor and outdoor ventilation. In the cold winter, the upper and lower parts of the window screen are blocked by the sealing component, and only the part of the ventilation module flows out. Through the heating wire inside, the fresh air entering the room can be preheated to prevent cold air from entering the room.
[0020] (2) The sealing components used can seal the top and bottom of the window screen in winter and roll up the sealing components in summer. At the same time, the ventilation module is detachable and does not affect the normal function of the screen. Compared with the current screen structure, it has better practicality. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0022] Figure 1 This is a frontal perspective view of an embodiment of the screen window that prevents cold air from entering, according to the present invention.
[0023] Figure 2 This is a perspective view of the back structure of an embodiment of the screen window that prevents cold air from entering, according to the present invention.
[0024] Figure 3This is a schematic diagram of a screen window embodiment of the present invention, showing the removal of the lower sealing component.
[0025] Figure 4 This is a schematic diagram of the ventilation module separated from the window frame in an embodiment of the screen window that prevents cold air from entering, according to the present invention.
[0026] Figure 5 This is an exploded view of the ventilation module structure provided in an embodiment of the screen window that prevents cold air from entering, according to the present invention.
[0027] 1. Window frame; 11. Pin hole; 12. Guide block; 2. Mesh; 3. Sealing assembly; 31. Roller; 32. Transparent heat insulation film; 33. Eyebrow plate; 34. Handle; 4. Locking mechanism; 41. Sliding hole; 42. Through hole; 43. Slider; 44. Connecting handle; 45. Spring; 46. Hand lever; 5. Ventilation module; 51. Fixing bracket; 52. Heating wire; 53. Protective panel. Detailed Implementation
[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0029] like Figure 1-5 As shown in the figure, the present invention provides a screen window for preventing cold air from entering, including a window frame 1, a mesh screen 2 fixedly installed inside the rear of the window frame 1, the mesh screen 2 being used for ventilation between indoors and outdoors; a detachable ventilation module 5 is provided in the middle of the window frame 1, the ventilation module 5 being used for preheating the cold air entering the room; locking mechanisms 4 are provided on both sides of the ventilation module 5, the ventilation module 5 is installed inside the window frame 1 through the locking mechanisms 4, the locking mechanisms 4 being used for locking the ventilation module 5 on the window frame 1; sealing components 3 are provided at the top and bottom of the front of the window frame 1, the sealing components 3 being used for sealing the upper and lower parts of the mesh screen 2.
[0030] In this embodiment, a window frame 1 is included;
[0031] Specifically, several pin holes 11 are provided on the inner walls of both sides of the window frame 1. The pin holes 11 are used in conjunction with one end of the slider 43. The slider 43 is inserted into the inside of the pin holes 11. Symmetrically distributed guide blocks 12 are fixedly connected to the inner walls of both sides of the window frame 1. The ventilation module 5 is slidably inserted into the inside of the two vertically distributed guide blocks 12. The fixing bracket 51 can be inserted between the two guide blocks 12 to facilitate the installation of the ventilation module 5.
[0032] In this embodiment, a mesh screen 2 is fixedly installed inside the rear of the window frame 1. The mesh screen 2 is used for ventilation between indoors and outdoors. The mesh screen 2 is provided with ventilation and insect-proof mesh holes.
[0033] In this embodiment, a detachable ventilation module 5 is provided in the middle of the window frame 1. The ventilation module 5 is used at least to preheat the cold air entering the room.
[0034] Specifically, the ventilation module 5 includes a mounting frame 51, inside which are installed several heating wires 52. Inside the mounting frame 51 is a protective panel 53 covering one side of the heating wires 52. The protective panel 53 has mesh holes to achieve ventilation and insect prevention. The heating wires 52 can generate heat to preheat the air entering the room. The heating wires 52 can be powered by mains electricity or by installing photovoltaic modules on the outside of the window, thereby achieving energy saving and environmental protection.
[0035] In this embodiment, locking mechanisms 4 are provided on both sides of the ventilation module 5. The ventilation module 5 is installed inside the window frame 1 through the locking mechanisms 4. The locking mechanisms 4 are used at least for locking the ventilation module 5 on the window frame 1.
[0036] Specifically, the locking mechanism 4 includes a sliding hole 41 and a through hole 42 provided at the end of the fixed frame 51;
[0037] Specifically, a slider 43 is slidably inserted into the through hole 42. A connecting handle 44 is fixedly installed on one side of the front of the slider 43. A spring 45 is provided inside one end of the through hole 42 and fixed to the slider 43. The operator moves the connecting handle 44 by hand, so that the slider 43 slides inside the sliding hole 41, so that the slider 43 is pulled out from the pin hole 11, thereby separating the fixing bracket 51 from the window frame 1 and realizing the disassembly of the ventilation module 5. When installing the ventilation module 5, it is only necessary to align the fixing bracket 51 inside the guide block 12 and push the fixing bracket 51 into the interior of the window frame 1. Under the action of the spring 45, the slider 43 is locked into the interior of the pin hole 11, so that the ventilation module 5 can be quickly installed inside the window frame 1.
[0038] Specifically, a lever 46 is fixedly connected between the two connecting handles 44, and the lever 46 is used to realize the synchronous connection of the upper and lower sliders 43, which makes it easier for people to operate the locking mechanism 4.
[0039] In this embodiment, sealing components 3 are provided at the top and bottom of the front of the window frame 1. The sealing components 3 are used to seal at least the upper and lower parts of the mesh 2.
[0040] Specifically, the sealing component 3 includes a roller 31 fixed to the inner walls of the top and bottom of the window frame 1. A transparent heat insulation film 32 is wound around the roller 31 and covers the front of the mesh 2. The roller 31 can be used to roll up the transparent heat insulation film 32. The inside of the roller 31 can be designed with a spring structure. In winter, the transparent heat insulation film 32 can be pulled open to cover the upper and lower parts of the mesh 2, with only the part of the ventilation module 5 flowing out. The ventilation module 5 is used to realize the exchange of indoor and outdoor air.
[0041] Specifically, eyebrow plates 33 are fixedly installed at the top and bottom of the window frame 1. The eyebrow plates 33 cover the outside of the roller 31. The eyebrow plates 33 are designed to fold the roller 31, which improves the aesthetics of the screen window.
[0042] Specifically, a handle 34 is provided on the outside of the transparent heat insulation film 32 near the ventilation module 5. The design of the handle 34 makes it easier for people to pull out the transparent heat insulation film 32, and at the same time, the handle 34 is used to realize the positioning connection between the transparent heat insulation film 32 and the fixing frame 51.
[0043] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A screen for preventing cold air from entering, comprising a window frame (1), characterized in that, A mesh screen (2) is fixedly installed inside the rear of the window frame (1), and the mesh screen (2) is used for ventilation between the interior and exterior. A detachable ventilation module (5) is provided in the middle of the window frame (1), and the ventilation module (5) is used at least to preheat the cold air entering the room; The ventilation module (5) is provided with locking mechanisms (4) on both sides. The ventilation module (5) is installed inside the window frame (1) through the locking mechanisms (4). The locking mechanisms (4) are used at least to lock the ventilation module (5) on the window frame (1). Sealing components (3) are provided on the upper and lower sides of the front of the window frame (1), and the sealing components (3) are used to seal at least the upper and lower parts of the mesh (2).
2. The screen according to claim 1, wherein The inner walls of both sides of the window frame (1) are provided with several pin holes (11), and the inner walls of both sides of the window frame (1) are fixedly connected with symmetrically distributed guide blocks (12). The ventilation module (5) is slidably inserted into the interior of the two vertically distributed (12).
3. The screen according to claim 1, wherein The sealing assembly (3) includes a roller (31) fixed to the inner walls of the top and bottom of the window frame (1), with a transparent heat insulation film (32) wound around the roller (31) and the transparent heat insulation film (32) covering the front of the mesh (2); The top and bottom of the window frame (1) are both fixedly provided with eyebrow plates (33), which cover the outside of the scroll (31); A handle (34) is provided on the outside of the transparent heat insulation film (32) near the ventilation module (5).
4. The screen of claim 1, wherein The ventilation module (5) includes a mounting bracket (51), inside which are arranged a plurality of heating wires (52), and inside which is arranged a protective panel (53) covering one side of the heating wires (52).
5. The screen according to claim 4, wherein The locking mechanism (4) includes a sliding hole (41) and a through hole (42) provided at the end of the fixed frame (51); A slider (43) is slidably inserted into the through hole (42), and a connecting handle (44) is fixedly installed on one side of the front of the slider (43). A spring (45) is provided inside one end of the through hole (42) and fixed to the slider (43). A lever (46) is fixedly connected between the two connecting handles (44).