Anti-falling device for door and window installation
By designing the reinforcement mechanism and connection components for the anti-falling device of doors and windows, the gap problem caused by deformation of plastic steel doors and windows after long-term use is solved, the fixing effect and support rigidity are improved, and the risk of falling is reduced.
Patent Information
- Application Number
- CN202421784502.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing plastic steel doors and windows have low strength and may deform after long-term use, resulting in gaps between the connecting page and the doors and windows, increasing the risk of doors and windows falling and reducing the fixing effect.
A door and window installation anti-fall device is designed, including a reinforcement mechanism and a connecting assembly. The reinforcement mechanism drives the limiting member to move upward through the cooperation of round rods, gears, teeth and sliders, presses the inner wall of the grooved doors and windows to provide upper and lower support; the connecting component increases the support rigidity for doors and windows through the expansion of the rotating shaft and connector.
It effectively solves the gap problem caused by deformation of plastic steel doors and windows after long-term use, improves the fixing effect of doors and windows, reduces the risk of falling, and improves the support rigidity of the top and bottom of doors and windows.
Smart Images

Figure CN222823076U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door and window hardware accessories, in particular to a door and window installation anti-falling device. Background Art
[0002] Plastic steel doors and windows are a common type of building doors and windows with many advantages. First of all, plastic steel doors and windows have good thermal insulation performance. Their window frames are mostly made of plastic materials with low thermal conductivity, which can effectively block the exchange of indoor and outdoor heat, reduce indoor air conditioning energy consumption in summer, keep indoor warmth in winter, and reduce heating costs. Secondly, plastic steel doors and windows have excellent sealing performance. High-quality sealing strips and reasonable structural design enable them to effectively block the invasion of wind, sand, rain and noise, creating a quiet and comfortable environment for the interior. Moreover, plastic steel doors and windows have good corrosion resistance. Unlike metal doors and windows, which are prone to rust and corrosion, plastic steel doors and windows can also maintain good stability and appearance in humid environments. In terms of appearance, plastic steel doors and windows are rich in colors and can be selected according to architectural style and personal preferences to meet different decorative needs. However, plastic steel doors and windows also have some shortcomings. For example, their strength is relatively low and not as strong as aluminum alloy doors and windows. After long-term use, problems such as deformation may occur, and the announcement number is, which was announced, including.
[0003] The existing technical solutions have the following defects: the existing plastic-steel doors and windows have relatively low strength, and after long-term use, the hinges between the plastic-steel doors and windows and the connecting leaves will be deformed, which will eventually cause gaps between the connecting leaves and the doors and windows, greatly increasing the risk of the doors and windows falling and reducing the fixing effect of the plastic-steel doors and windows. Utility Model Content
[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a door and window anti-falling device, which has the advantage of strengthened fixation and solves the problem that the strength of existing plastic-steel doors and windows is relatively low. After long-term use, the hinges between the plastic-steel doors and windows and the connecting leaves will be deformed, which will eventually cause gaps between the connecting pages and the doors and windows, greatly increasing the risk of doors and windows falling and reducing the fixing effect of the plastic-steel doors and windows.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a door and window anti-falling device, comprising a door frame, the front side of the left side of the door frame is hingedly connected to the door and window through a hinge, the right side of the door frame is provided with a groove, the front side of the door and window is provided with a handle, the front side of the handle is fixedly connected to the rear side of the door and window, the front side of the door frame is provided with a reinforcement mechanism, and the front side of the door frame is provided with a connecting component.
[0006] As a preferred embodiment of the utility model, the reinforcement mechanism includes a fixing part, the number of which is two, the rear side of the fixing part is fixedly connected to the front side of the left side of the door frame, the right side of the inner wall of the fixing part is fixedly connected with teeth, the number of the teeth is several, a round rod is arranged inside the fixing part, the top of the round rod is rotatably connected with a disc part, the top of the surface of the round rod is fixedly connected with a gear, the surface of the round rod is threadedly connected with a limiting part, and the bottom of the round rod is movably connected with a slider.
[0007] As a preferred embodiment of the utility model, the connecting assembly includes a rotating shaft 1, the number of the rotating shaft 1 is two, the outer side of the rotating shaft 1 is rotatably connected to the inner wall of the door frame, the front side of the rotating shaft 1 is rotatably connected to a connecting member 1, the front side of the connecting member 1 is rotatably connected to a connecting member 2 through a pin shaft, the front side of the connecting member 2 is rotatably connected to a rotating shaft 2, and the inner side of the rotating shaft 2 is rotatably connected to the top and bottom of the door and window.
[0008] As a preferred embodiment of the present invention, a reinforcement piece is fixedly connected to the outer side of the fixing piece, and the rear side of the reinforcement piece is fixedly connected to the front side of the door frame.
[0009] As a preferred embodiment of the utility model, balls are arranged inside the disc member, the number of the balls is several, and the inner sides of the balls are rotatably connected to the surface of the top of the round rod.
[0010] As a preferred embodiment of the present invention, the front side and the rear side of the sliding block are both fixedly connected with long strips, and the outer side of the long strips is slidably connected to the inner wall of the door or window.
[0011] As a preferred embodiment of the present invention, a leakage hole is opened at the bottom of the top sliding block, and the leakage hole is located on the left side of the handle.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model pushes the door and window, and the door and window rotate with the hinge joint as the center, the round rod drives the gear to rotate with the hinge joint as the center, the gear is meshed with the teeth of the inner wall of the fixing part, the gear drives the round rod to rotate, and the round rod drives the slider to slide inside the door and window slot at the same time, the round rod rotates to drive the limiter to move upward, and the top of the limiter presses the inner wall of the door and window slot to support the door and window up and down, and the door and window are unfolded while driving the connecting member 1 and the connecting member 2 to unfold outward, the connecting member 1 rotates with the rotating shaft 1 as the center, the connecting member 2 rotates with the rotating shaft 2 as the center, the connecting member 1 and the connecting member 2 are unfolded with the pin shaft at the hinge, and the connecting member 1 and the connecting member 2 are stopped when they are in a straight line, so as to solve the problem that the strength of the existing plastic steel door and window is relatively low, the hinge joint of the plastic steel door and window and the connecting leaf will be deformed after long-term use, and finally a gap will appear between the connecting leaf and the door and window, which greatly increases the risk of the door and window falling, reduces the problem of the fixing effect of the plastic steel door and window, and has the advantage of strengthening the fixing.
[0014] 2. The utility model sets a reinforcement mechanism, and by pushing the doors and windows, the doors and windows rotate around the hinge joint as the center, the round rod drives the gear to rotate around the hinge joint as the center, the gear meshes with the teeth on the inner wall of the fixing part, the gear drives the round rod to rotate, and the round rod simultaneously drives the slider to slide inside the door and window slot, the rotation of the round rod drives the limiter to move upward, the top of the limiter presses against the inner wall of the door and window slot, supports the doors and windows up and down, and improves the supporting rigidity of the top and bottom of the doors and windows. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a rear view of the door frame of the utility model;
[0017] Figure 3 It is a top view of the door and window of the utility model;
[0018] Figure 4 It is a three-dimensional diagram of the fixing member of the utility model;
[0019] Figure 5 For this utility model Figure 4 Enlarged view of point A.
[0020] In the figure: 1. door frame; 2. door and window; 3. groove; 4. handle; 5. reinforcement mechanism; 51. fixing part; 52. teeth; 53. round rod; 54. disc part; 55. gear; 56. limit part; 57. slider; 6. connecting assembly; 61. rotating shaft 1; 62. connecting part 1; 63. connecting part 2; 64. rotating shaft 2; 7. reinforcement part; 8. ball bearing; 9. strip; 10. leakage hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] like Figures 1 to 5 As shown, the utility model provides a door and window anti-falling device, including a door frame 1, the front side of the left side of the door frame 1 is hingedly connected to a door and window 2 through a hinge, a groove 3 is provided on the right side of the door frame 1, a handle 4 is provided on the front side of the door and window 2, the front side of the handle 4 is fixedly connected to the rear side of the door and window 2, a reinforcement mechanism 5 is provided on the front side of the door frame 1, and a connecting component 6 is provided on the front side of the door frame 1.
[0023] refer to Figure 5 The reinforcement mechanism 5 includes a fixing part 51, the number of which is two, the rear side of the fixing part 51 is fixedly connected to the front side of the left side of the door frame 1, the right side of the inner wall of the fixing part 51 is fixedly connected with teeth 52, the number of teeth 52 is several, a round rod 53 is arranged inside the fixing part 51, the top of the round rod 53 is rotatably connected with a disc part 54, the top of the surface of the round rod 53 is fixedly connected with a gear 55, the surface of the round rod 53 is threadedly connected with a limiting part 56, and the bottom of the round rod 53 is movably connected with a slider 57.
[0024] As a technical optimization scheme of the utility model, by setting a reinforcement mechanism 5, by pushing the door and window 2, the door and window 2 rotates around the hinge joint as the center, the round rod 53 drives the gear 55 to rotate around the hinge joint as the center, the gear 55 engages with the teeth 52 on the inner wall of the fixing member 51, the gear 55 drives the round rod 53 to rotate, and the round rod 53 simultaneously drives the slider 57 to slide inside the groove of the door and window 2, the rotation of the round rod 53 drives the limit member 56 to move upward, the top of the limit member 56 presses against the inner wall of the groove of the door and window 2, supports the door and window 2 up and down, and improves the support rigidity of the top and bottom of the door and window 2.
[0025] refer to Figure 3 The connecting component 6 includes a rotating shaft 61, and there are two rotating shafts 61. The outer side of the rotating shaft 61 is rotatably connected to the inner wall of the door frame 1. The front side of the rotating shaft 61 is rotatably connected to a connecting piece 62. The front side of the connecting piece 62 is rotatably connected to a connecting piece 63 through a pin shaft. The front side of the connecting piece 63 is rotatably connected to a rotating shaft 64. The inner side of the rotating shaft 64 is rotatably connected to the top and bottom of the door and window 2.
[0026] As a technical optimization scheme of the utility model, by setting a connecting component 6, when the door and window 2 are unfolded, the connecting member 1 62 and the connecting member 2 63 are driven to unfold outward, the connecting member 1 62 rotates around the rotating shaft 1 61, the connecting member 2 63 rotates around the rotating shaft 2 64, the connecting member 1 62 and the connecting member 2 63 are unfolded with the pin shaft at the hinge, and the connecting member 1 62 and the connecting member 2 63 stop when they are in a straight line, thereby improving the supporting rigidity of the right side of the door and window 2.
[0027] refer to Figure 3 The outer sides of the fixing members 51 are fixedly connected with reinforcement members 7 , and the rear sides of the reinforcement members 7 are fixedly connected with the front sides of the door frame 1 .
[0028] As a technical optimization solution of the present invention, by providing the reinforcing member 7 and allowing the fixing member 51 to further strengthen the connection strength between the fixing member 51 and the door frame 1 through the reinforcing member 7, the fixing effect of the fixing member 51 is improved.
[0029] refer to Figure 5 A plurality of balls 8 are arranged inside the disc member 54 , and the inner side of the balls 8 is rotatably connected to the surface of the top of the round rod 53 .
[0030] As a technical optimization solution of the utility model, by providing the ball 8, the round rod 53 can rotate more smoothly through the cooperation of the ball 8, thereby improving the rotation efficiency of the round rod 53.
[0031] refer to Figure 5 The front and rear sides of the slider 57 are fixedly connected with a long strip 9 , and the outer side of the long strip 9 is slidably connected to the inner wall of the door and window 2 .
[0032] As a technical optimization solution of the present invention, by providing the long strip 9, the slider 57 can be limited, so as to avoid the slider 57 from being offset and stuck during movement after long-term use, thereby improving the use effect of the slider 57.
[0033] refer to Figure 5 A leakage hole 10 is provided at the bottom of the top sliding block 57 , and the leakage hole 10 is located on the left side of the handle 4 .
[0034] As a technical optimization solution of the utility model, by providing the leakage hole 10, when there is too much rain, the umbrella that may remain in the groove can be discharged through the leakage hole, thereby reducing the erosion effect of rainwater on the round rod 53.
[0035] The working principle and use process of the utility model are as follows: when in use, the door and window 2 are pushed, and the door and window 2 rotates around the hinge joint, and the round rod 53 drives the gear 55 to rotate around the hinge joint, and the gear 55 meshes with the teeth 52 on the inner wall of the fixing member 51, and the gear 55 drives the round rod 53 to rotate, and the round rod 53 simultaneously drives the slider 57 to slide inside the slot of the door and window 2, and the round rod 53 rotates to drive the limit member 56 to move upward, and the top of the limit member 56 presses the inner wall of the slot of the door and window 2 to support the door and window 2 up and down, and when the door and window 2 is unfolded, it drives the connecting member 1 62 and the connecting member 2 63 to unfold outward, and the connecting member 1 62 rotates around the rotating shaft 1 61 as the center, and the connecting member 2 63 rotates around the rotating shaft 2 64 as the center, and the connecting member 1 62 and the connecting member 2 63 are unfolded around the pin shaft at the hinge, and the connecting member 1 62 and the connecting member 2 63 are stopped when they are in a straight line.
[0036] To sum up: the anti-falling device installed in the door and window, through the coordinated use of the door frame 1, the door and window 2, the groove 3, the handle 4, the reinforcement mechanism 5 and the connecting assembly 6, solves the problem that the strength of the existing plastic-steel doors and windows is relatively low. After long-term use, the hinges between the plastic-steel doors and windows and the connecting leaves will be deformed, which will eventually cause gaps between the connecting leaves and the doors and windows, greatly increasing the risk of the doors and windows falling and reducing the fixing effect of the plastic-steel doors and windows.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A door and window anti-falling device, comprising a door frame (1), characterized in that: The front side of the left side of the door frame (1) is hingedly connected to a door window (2) via a hinge, a groove (3) is provided on the right side of the door frame (1), a handle (4) is provided on the front side of the door window (2), the front side of the handle (4) is fixedly connected to the rear side of the door window (2), a reinforcement mechanism (5) is provided on the front side of the door frame (1), and a connecting component (6) is provided on the front side of the door frame (1).
2. A door and window anti-falling device as claimed in claim 1, characterized in that: The reinforcement mechanism (5) comprises a fixing member (51), the number of the fixing members (51) being two, the rear side of the fixing member (51) being fixedly connected to the front side of the left side of the door frame (1), the right side of the inner wall of the fixing member (51) being fixedly connected with teeth (52), the number of the teeth (52) being several, a round rod (53) being arranged inside the fixing member (51), the top of the round rod (53) being rotatably connected with a disc member (54), the top of the surface of the round rod (53) being fixedly connected with a gear (55), the surface of the round rod (53) being threadedly connected with a limiting member (56), and the bottom of the round rod (53) being movably connected with a slider (57).
3. A door and window anti-falling device as claimed in claim 1, characterized in that: The connection assembly (6) comprises a rotating shaft 1 (61), the number of the rotating shaft 1 (61) is two, the outer side of the rotating shaft 1 (61) is rotatably connected to the inner wall of the door frame (1), the front side of the rotating shaft 1 (61) is rotatably connected to a connecting piece 1 (62), the front side of the connecting piece 1 (62) is rotatably connected to a connecting piece 2 (63) via a pin shaft, the front side of the connecting piece 2 (63) is rotatably connected to a rotating shaft 2 (64), and the inner side of the rotating shaft 2 (64) is rotatably connected to the top and bottom of the door and window (2).
4. A door and window anti-falling device as claimed in claim 2, characterized in that: The outer sides of the fixing members (51) are fixedly connected to reinforcement members (7), and the rear sides of the reinforcement members (7) are fixedly connected to the front sides of the door frame (1).
5. A door and window anti-falling device as claimed in claim 2, characterized in that: A ball bearing (8) is arranged inside the disc member (54), the number of the ball bearings (8) is a plurality, and the inner side of the ball bearings (8) is rotatably connected to the surface of the top of the round rod (53).
6. A door and window anti-falling device as claimed in claim 2, characterized in that: The front and rear sides of the sliding block (57) are both fixedly connected to a long strip (9), and the outer side of the long strip (9) is slidably connected to the inner wall of the door or window (2).
7. A door and window anti-falling device as claimed in claim 2, characterized in that: A leakage hole (10) is provided at the bottom of the sliding block (57), and the leakage hole (10) is located on the left side of the handle (4).