High-performance inward-opening door and window structure
By introducing a pressing block and a return spring restriction mechanism into inward-opening doors and windows, the problem of traditional inward-opening doors and windows being blown open in strong winds has been solved, rotation restriction has been achieved, service life has been extended, and safety has been improved.
Patent Information
- Application Number
- CN202423095100.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional inward-opening doors and windows lack effective rotation limit functions, which may cause them to be blown open excessively in strong winds, damaging door and window components and endangering safety.
An inward-opening door and window structure was designed. By using a pressing block and a return spring, the rotation axis of the inner window is restricted to prevent it from rotating in strong winds.
It effectively prevents doors and windows from being blown open in strong winds, reduces component damage, extends service life, and protects indoor safety.
Smart Images

Figure CN223647664U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of inward-opening door and window technology, and in particular to a high-performance inward-opening door and window structure. Background Technology
[0002] In the construction industry, doors and windows are an important part of the building envelope. Their performance directly affects the comfort of the indoor environment, energy consumption, and safety. Traditional inward-opening door and window structures have gradually revealed some shortcomings in the long-term use process. One of the more prominent problems is the lack of an effective rotation limit function.
[0003] In daily use, when inward-opening doors and windows are opened, due to the lack of a rotation limit mechanism, the doors and windows may be blown open excessively by the wind in strong winds, causing them to collide violently with surrounding walls or other objects. This can damage not only the door and window frames and glass but also the walls, resulting in a significantly shortened lifespan of the device.
[0004] Therefore, it is necessary to provide high-performance inward-opening door and window structures to solve the above-mentioned technical problems. Utility Model Content
[0005] This utility model provides a high-performance inward-opening door and window structure, which solves the problem of the traditional device's lack of a function to restrict the rotation of the inner window, resulting in a shortened service life.
[0006] To solve the above-mentioned technical problems, the high-performance inward-opening door and window structure provided by this utility model includes: a device body, an inner window provided on the device body, a handle fixedly connected to the inner window, a pressing block slidably connected to the handle, a pressing fixing block fixedly connected to the inner window, a pressing slide rod fixedly connected to the pressing fixing block, the pressing slide rod slidably connected to the pressing block, a pressing spring provided on the pressing slide rod, a pressing connecting rod fixedly connected to the pressing block, a pressing inclined block fixedly connected to the pressing connecting rod, a protective frame provided on the device body, a rotating bearing provided on the protective frame, a limiting hole provided on the rotating bearing, a sliding fixing block fixedly connected to the inner window, a vertical groove provided on the sliding fixing block, a sliding guide block fixedly connected inside the vertical groove, a lower slider slidably connected to the sliding guide block, a return spring provided on the sliding guide block, a rotation limiting block fixedly connected to the lower slider block, and an inner window rotating shaft provided on the inner window.
[0007] Preferably, a device fixing block is fixedly connected to the guard frame, a device rotating shaft is provided on the device fixing block, and a guide limiting block is rotatably connected to the device fixing block through the device rotating shaft. A guide groove is provided on the guide limiting block.
[0008] Preferably, an inner window connecting block is fixedly connected to the inner window, and a guide block is fixedly connected to the inner window connecting block, with the guide block slidably connected to the guide groove.
[0009] Preferably, an upper fixing block is fixedly connected to the protective frame, a corner guard is fixedly connected to the inner window, a connecting guide block is fixedly connected to the inner window, and the connecting guide block is slidably connected to the pressing connecting rod.
[0010] Preferably, the protective frame is provided with a drain outlet, and an anti-backflow block is fixedly connected to the drain outlet.
[0011] Preferably, an insect-proof mesh is fixedly connected to the protective frame, and the protective frame is rotatably connected to the inner window via an inner window pivot.
[0012] Preferably, the inner window is provided with glass and a sealing strip.
[0013] Compared with related technologies, the high-performance inward-opening door and window structure provided by this utility model has the following beneficial effects:
[0014] This utility model provides a high-performance inward-opening door and window structure. When using this device, the pressing block can be pressed first. At this time, the pressing block will drive the rotation limiting block to disengage from the limiting hole. Then, the inner window can be rotated to the required angle. After the rotation is finished, the pressing block can be released. At this time, the return spring will use its own elasticity to push the rotation limiting block back into the limiting hole to limit the rotation axis of the inner window and prevent it from rotating. This device adds a rotation limiting function for the inner window. In strong winds, the door and window will not be blown open by the wind and violently collide with surrounding walls, furniture and other objects. It can effectively reduce the damage to the glass, frame and other components of the door and window, protect the safety of other items in the room, and thus extend the service life of the device. Attached Figure Description
[0015] Figure 1 A schematic diagram of a preferred embodiment of the high-performance inward-opening door and window structure provided by this utility model;
[0016] Figure 2 for Figure 1 The diagram shows the back of the main body of the device.
[0017] Figure 3 for Figure 2 The diagram shows a cross-sectional view of the main body of the device.
[0018] Figure 4 for Figure 3 The diagram shown is a right-view illustration;
[0019] Figure 5 for Figure 1The enlarged schematic diagram of part A shown below;
[0020] Figure 6 for Figure 3 The enlarged schematic diagram of section B is shown below;
[0021] Figure 7 for Figure 4 The enlarged schematic diagram of section C is shown.
[0022] The diagram is labeled as follows: 1. Main body of the device; 2. Upper fixing block; 3. Corner guard; 4. Sealing strip; 5. Frame guard; 6. Handle; 7. Pressing block; 8. Inner window; 9. Glass; 10. Anti-backflow block; 11. Drain outlet; 12. Insect screen; 13. Pressing connecting rod; 14. Restricting hole; 15. Pressing slide rod; 16. Pressing spring; 17. Rotation limiting block; 18. Pressing fixing block; 19. Connecting guide block; 20. Rotating bearing; 21. Device fixing block; 22. Device pivot; 23. Inner window connecting block; 24. Guide slide groove; 25. Guide limiting block; 26. Guide block; 27. Sliding fixing block; 28. Sliding guide block; 29. Return spring; 30. Vertical groove; 31. Lower slider; 32. Extrusion inclined block; 33. Inner window pivot. Detailed Implementation
[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0024] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , Figure 1 A schematic diagram of a preferred embodiment of the high-performance inward-opening door and window structure provided by this utility model; Figure 2 for Figure 1 The diagram shows the back of the main body of the device. Figure 3 for Figure 2 The diagram shows a cross-sectional view of the main body of the device. Figure 4 for Figure 3 The diagram shown is a right-view illustration; Figure 5 for Figure 1 The enlarged schematic diagram of part A shown below; Figure 6 for Figure 3 The enlarged schematic diagram of section B is shown below; Figure 7 for Figure 4The diagram shown is an enlarged view of section C. The high-performance inward-opening door and window structure includes: a main body 1, an inner window 8 mounted on the main body 1, a handle 6 fixedly connected to the inner window 8, a pressing block 7 slidably connected to the handle 6, a pressing fixing block 18 fixedly connected to the inner window 8, a pressing slide rod 15 fixedly connected to the pressing fixing block 18, the pressing slide rod 15 slidably connected to the pressing block 7, a pressing spring 16 mounted on the pressing slide rod 15, a pressing connecting rod 13 fixedly connected to the pressing block 7, a pressing inclined block 32 fixedly connected to the pressing connecting rod 13, and a protective frame 5 mounted on the main body 1. The protective frame 5 is provided with a rotating bearing 20, and the rotating bearing 20 has a limiting hole 14. The inner window 8 is fixedly connected with a sliding fixing block 27, and the sliding fixing block 27 has a vertical groove 30. The vertical groove 30 is fixedly connected with a sliding guide block 28, and a sliding slider 31 is slidably connected to the sliding guide block 28. The sliding guide block 28 is provided with a return spring 29, and the sliding slider 31 is fixedly connected with a rotation limiting block 17. The inner window 8 is provided with an inner window rotating shaft 33, and the rotation limiting block 17 has the function of limiting the rotation of the inner window rotating shaft 33.
[0025] A device fixing block 21 is fixedly connected to the protective frame 5. A device rotating shaft 22 is provided on the device fixing block 21. A guide limiting block 25 is rotatably connected to the device fixing block 21 through the device rotating shaft 22. A guide groove 24 is provided on the guide limiting block 25. The guide limiting block 25 has the function of limiting the rotation angle of the inner window 8.
[0026] An inner window connecting block 23 is fixedly connected to the inner window 8, and a guide block 26 is fixedly connected to the inner window connecting block 23. The guide block 26 is slidably connected to the guide groove 24, and the guide block 26 has the function of guiding the inner window 8.
[0027] An upper fixing block 2 is fixedly connected to the protective frame 5, a corner guard 3 is fixedly connected to the inner window 8, and a connecting guide block 19 is fixedly connected to the inner window 8. The connecting guide block 19 is slidably connected to the pressing connecting rod 13. The corner guard 3 has the function of preventing the operator from hitting the inner window 8 and getting injured.
[0028] The protective frame 5 is provided with a drain outlet 11, and an anti-backflow block 10 is fixedly connected to the drain outlet 11. The drain outlet 11 has the function of draining rainwater.
[0029] An insect-proof mesh 12 is fixedly connected to the protective frame 5. The protective frame 5 is rotatably connected to the inner window 8 through the inner window pivot 33. The insect-proof mesh 12 has the function of preventing mosquitoes from entering.
[0030] The inner window 8 is provided with glass 9 and a sealing strip 4, which serves to ensure the sealing of the device.
[0031] The working principle of the high-performance inward-opening door and window structure provided by this utility model is as follows:
[0032] When using this device, press the pressing block 7 first. At this time, the pressing block 7 will drive the pressing connecting rod 13, which will drive the squeezing inclined block 32. The squeezing inclined block 32 will squeeze the lower slider 31. The lower slider 31 will drive the rotation limiting block 17 to move downward along the sliding guide block 28. At the same time, the rotation limiting block 17 will squeeze the return spring 29. At this time, the rotation limiting block 17 will disengage from the limiting hole 14. At this time, you can hold the handle 6 to rotate the inner window 8 to the required angle. After the rotation is finished, you can release the pressing block 7. At this time, the return spring 29 will use its own elasticity to push the rotation limiting block 17 back into the limiting hole 14 to restrict the inner window pivot 33 and prevent it from rotating.
[0033] Compared with related technologies, the high-performance inward-opening door and window structure provided by this utility model has the following beneficial effects:
[0034] When using this device, press the pressing block 7 first. At this time, the pressing block 7 will cause the rotation limiting block 17 to disengage from the limiting hole 14. Then, the inner window 8 can be rotated to the required angle. After the rotation is finished, the pressing block 7 can be released. At this time, the return spring 29 will use its own elasticity to push the rotation limiting block 17 back into the limiting hole 14 to limit the rotation of the inner window shaft 33 and prevent it from rotating. This device adds a rotation limiting function for the inner window 8. In strong winds, the doors and windows will not be blown open by the wind and collide violently with surrounding walls, furniture and other objects. It can effectively reduce the damage to the glass, frame and other parts of the doors and windows, protect the safety of other items in the room, and thus extend the service life of the device.
[0035] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A high-performance inward-opening door and window structure, characterized in that, include: The device body includes an inner window, a handle fixedly connected to the inner window, a pressing block slidably connected to the handle, a pressing fixing block fixedly connected to the inner window, a pressing slide rod fixedly connected to the pressing fixing block, the pressing slide rod slidably connected to the pressing block, a pressing spring on the pressing slide rod, a pressing connecting rod fixedly connected to the pressing block, a pressing inclined block fixedly connected to the pressing connecting rod, a protective frame on the device body, a rotating bearing on the protective frame, a limiting hole on the rotating bearing, a sliding fixing block fixedly connected to the inner window, a vertical groove on the sliding fixing block, a sliding guide block fixedly connected inside the vertical groove, a lower slider slidably connected to the sliding guide block, a return spring on the sliding guide block, a rotation limiting block fixedly connected to the lower slider block, and an inner window pivot on the inner window.
2. The high-performance inward-opening door and window structure according to claim 1, characterized in that, A device fixing block is fixedly connected to the protective frame. A device rotating shaft is provided on the device fixing block. A guide limiting block is rotatably connected to the device fixing block through the device rotating shaft. A guide groove is provided on the guide limiting block.
3. The high-performance inward-opening door and window structure according to claim 1, characterized in that, An inner window connecting block is fixedly connected to the inner window, and a guide block is fixedly connected to the inner window connecting block. The guide block is slidably connected to the guide groove.
4. The high-performance inward-opening door and window structure according to claim 1, characterized in that, An upper fixing block is fixedly connected to the protective frame, a corner guard is fixedly connected to the inner window, a connecting guide block is fixedly connected to the inner window, and the connecting guide block is slidably connected to the pressing connecting rod.
5. The high-performance inward-opening door and window structure according to claim 1, characterized in that, The protective frame is provided with a drainage outlet, and an anti-backflow block is fixedly connected to the drainage outlet.
6. The high-performance inward-opening door and window structure according to claim 1, characterized in that, An insect-proof mesh is fixedly connected to the protective frame, and the protective frame is rotatably connected to the inner window via an inner window pivot.
7. The high-performance inward-opening door and window structure according to claim 1, characterized in that, The inner window is fitted with glass and a sealing strip.