A u-shaped fixing clamp and reinforcement system for temporarily reinforcing a window against typhoons

Abstract

This invention discloses a U-shaped fixing clip and reinforcement system for temporarily reinforcing windows against typhoons. The bottom surface of the clip has a thickness of no more than 4mm to accommodate window gaps; the bottom end of the clip has a protruding structure with a width of no more than 20mm, the top of which is higher than the main surface of the bottom surface to accurately support the window frame metal plate and protect the sealing strip. Preferably, the upper and lower bottom surfaces can be tilted towards each other in their natural state, generating a pre-stressed self-tightening effect when tightened, resulting in stronger anti-slip capability. This invention also discloses a reinforcement system including this fixing clip, which has the advantages of precise dimensions, non-destructive installation, anti-slip, high support strength, and convenient installation, and is suitable for emergency reinforcement of windows during typhoon weather.

Description

Technical Field

[0001] This invention relates to the field of building hardware and door and window safety protection technology, specifically to a U-shaped fixing clip for temporarily reinforcing windows to resist extreme wind pressure such as typhoons, and a reinforcement system including the fixing clip. Background Technology

[0002] During typhoons and other strong winds, windows, due to their large glass area and movable connection structure, are prone to becoming weak points in the building envelope. Strong wind pressure can cause window sashes to deform, be damaged, or even detach entirely, posing serious safety hazards and property risks.

[0003] Currently, common emergency reinforcement methods used by residents (such as taping the glass or using wooden sticks to prop up the window sash) are limited in effectiveness and unreliable. Permanent reinforcement solutions (such as drilling holes in the window frame to install fasteners) can damage the window structure, affecting daily use and aesthetics.

[0004] There is typically a 4-6 mm wide gap between the window sash and the frame, within which a sealing strip is installed to prevent wind and rain from entering. Existing common clamping devices or reinforcements, due to their structural thickness or clamping surface design limitations, cannot be inserted into this narrow gap and form a strong, reliable point of force without compressing or damaging the sealing strip. Forcing its use often results in permanent deformation or damage to the sealing strip, causing new problems such as air and water leaks.

[0005] Therefore, the existing technology still lacks a dedicated fixing component that can directly utilize the inherent gaps in the window, quickly establish a high-strength, non-damaging sealant strip, and detachably connect to achieve direct, efficient, and non-destructive temporary reinforcement of the window frame itself. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] The present invention aims to overcome the shortcomings of the prior art and provide a U-shaped fixing clip and reinforcement system that does not require drilling, does not damage the window structure and sealing, can quickly form a stable, high-strength temporary support point on the window frame and has anti-slip capability. (II) Technical Solution

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A U-shaped fixing clip for temporarily reinforcing windows against typhoons includes a clip body made of elastic metal material. The clip body includes an upper bottom surface (1), a lower bottom surface (3), and a connecting part (2) that connects the two, together forming a U-shaped structure.

[0010] The thickness of the bottom surface of the clamp is adapted to the width of the window gap to ensure that it can be smoothly and without interference inserted into the inherent gap (approximately 4-6 mm wide) between most standard window sashes and frames. The upper bottom surface (1) is provided with at least one threaded fastening part. The lower bottom surface (3) is provided with a protruding structure (4) protruding in the clamping direction at its end near the U-shaped opening; the width of the protruding structure (4) is limited to no more than 20 mm, a size that allows it to act precisely and concentratedly on the effective support area of ​​the single-layer metal plate (14) of the window frame, avoiding compression with the adjacent window frame sealing strip (10). Furthermore, the top of the protruding structure (4) is constructed to be higher than the main plane of the lower bottom surface (3), thereby naturally leaving deformation space for the sealing strip (10) during installation, achieving a completely non-destructive installation.

[0011] During installation, the clamp is inserted into the gap between the window sash and the window frame. When a fastening force is applied through the threaded fastener, the protruding structure (4) makes precise contact with the single-layer metal plate (14) of the window frame and provides rigid support.

[0012] As a preferred and inventive solution of the present invention, the upper bottom surface (1) and the lower bottom surface (3) can be configured to be inclined towards each other in the natural unstressed state of the clamp, such that the inner distance between the open ends of the U-shaped structure is smaller than the inner distance near the connecting part (2). The inclination angle is preferably between 3° and 15°. Due to the initial inclined design, the clamp generates elastic deformation when inserted into the gap and initially tightened. When fully tightened, the upper and lower bottom surfaces (1, 3) tend to be parallel under the action of elastic restoring force. This process applies continuous and dynamic prestress to the single-layer metal plate (14) of the window frame and the window sash frame, forming a self-tightening locking effect of "the more it is pressed, the tighter it becomes". This pre-tightening force generated by the elastic deformation of the structure itself fundamentally prevents the risk of loosening and slippage under repeated impact loads of strong winds, and significantly improves the reliability and fatigue resistance of the connection.

[0013] This protrusion structure can be achieved in various ways, such as: a thickened portion (4) integrally formed with the clamp (see...). Figure 1 The protrusion is formed by locally deforming the lower bottom surface (3) through a stamping process (see...). Figure 2 ); or a separate pad fixed to the lower bottom surface (3) by fasteners (see Figure 3 ).

[0014] Furthermore, the threaded fastening part is a rivet nut, welding nut or press-fit nut (5, 6, 7, 8) that is fixedly connected to the upper bottom surface (1); or a threaded hole that is directly machined on the upper bottom surface (1).

[0015] Furthermore, the material constituting the clamp is 65Mn spring steel, high carbon steel, stainless steel, or high-strength aluminum alloy.

[0016] Furthermore, the upper bottom surface (1) may be provided with a separate threaded fastening part (18) for use with a specially made long screw (20) to achieve single bolt double locking fixation.

[0017] Furthermore, the upper bottom surface (1) is provided with four threaded fastening parts (5, 6, 7, 8) as a preferred high-strength embodiment. Among them, the threaded fastening parts (5, 8) located on both sides are mainly used to lock and fix the U-shaped fixing clip to the window frame by bolts; the two threaded fastening parts (6, 7) located in the middle are used to connect and fix the reinforcing crossbar (16).

[0018] Furthermore, it also includes a double-hole pressure plate (17), whose hole positions correspond to the two threaded fasteners (6, 7) in the middle, which is used to evenly distribute the clamping force when fixing the reinforcing crossbar (16) to prevent local deformation of the crossbar.

[0019] The present invention also discloses a temporary window reinforcement system, including at least one of the above-mentioned U-shaped fixing clips, and at least one reinforcing crossbar (16) detachably connected to the threaded fastening part of the U-shaped fixing clip. (III) Beneficial Effects

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. Precise fit and non-destructive installation: By limiting the thickness of the clamp bottom surface to no more than 4 mm and the width of the protruding structure to no more than 20 mm, the product can precisely fit standard window gaps and ensure that the clamping force is concentrated and effectively applied to the load-bearing metal plate of the window frame, while completely avoiding and protecting the sealing strip, thus achieving truly non-destructive and non-damaging installation.

[0022] 2. Excellent anti-slip and high reliability: When the preferred scheme with the upper and lower bottom surfaces tilted towards each other is adopted, the prestress locking mechanism generated by elastic deformation provides a strong self-tightening force, effectively resisting the reciprocating load of wind pressure, solving the fundamental problem of easy loosening of traditional clamps, and greatly improving the reliability and safety of the connection.

[0023] 3. Extremely high support and force transmission efficiency: The combination of elastic metal materials and optimized structural design (especially the preferred self-tightening structure) gives the clamp itself high rigidity. The protruding structure provides a stable fulcrum, which can efficiently and reliably transmit the huge wind pressure brought by the typhoon to the main structure of the building through the reinforced crossbar (16).

[0024] 4. Easy installation and strong versatility: No need for pre-drilling or complicated tools, a single person can quickly complete the installation and disassembly. It is suitable for most sliding windows and casement windows with standard gaps, and has a fast emergency response speed.

[0025] 5. Flexible structure and strong adaptability: By configuring different numbers and layouts of threaded fasteners, it can be flexibly adapted to various application scenarios and different wind resistance requirements, from quick and simple single-point fixing to ultra-high strength multi-point reinforcement. Attached Figure Description

[0026] Figure 1 A three-dimensional view of a U-shaped fixing clip that is integrally formed and has an inclined bottom surface and a front protrusion structure.

[0027] In the diagram: 1. Top surface, 2. Connecting part, 3. Bottom surface, 4. Protruding structure (thickened part), 5, 6, 7, 8. Threaded fastening part.

[0028] Figure 2 This is a three-dimensional view of a U-shaped fixing clamp with a stamped protrusion on the bottom surface.

[0029] Figure 3 A three-dimensional view of a U-shaped fixing clip with a protruding structure, featuring a split, independent pad block.

[0030] Figure 4 This is a cross-sectional diagram showing the positional relationship between the window sash edge and the window frame when the window sash is slightly open.

[0031] In the diagram: 9. Window sash support tube, 10. Window frame sealing strip, 11. Window frame support tube, 12. Window sash sealing strip.

[0032] Figure 5 This is a cross-sectional view of the window when it is normally closed.

[0033] Figure 6 A cross-sectional view of a U-shaped fixing clip installed in a window gap.

[0034] In the diagram: 3. Bottom surface, 4. Protruding structure, 13. U-shaped fixing clip, 14. Single-layer metal plate of window frame.

[0035] Figure 7 This is a three-dimensional diagram showing the positional relationship between the U-shaped fixing clip, the reinforcing crossbar, and the window frame when using a four-bolt fixing method.

[0036] In the diagram: 14. Single-layer metal plate of window frame, 15. Bolt (with anti-damage disc), 16. Reinforcing crossbar, 17. Double-hole pressure plate, 21, 22. Bolts.

[0037] Figure 8This is a three-dimensional view of the U-shaped fixing clamp when using a single bolt with double locking.

[0038] In the diagram: 18. Individual threaded fastener.

[0039] Figure 9 This is a three-dimensional diagram showing the positional relationship between the U-shaped fixing clip, the reinforcing crossbar, and the window frame when using a single bolt double locking method.

[0040] In the diagram: 19. Nut, 20. Long screw (with internal hexagonal socket and anti-damage disc).

[0041] Figure 10 A three-dimensional diagram showing the combination of the long screw and the damage-resistant disc. Detailed Implementation

[0042] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0043] like Figure 4 and Figure 5 As shown, when the window is closed, there is an inherent gap between the window sash support tube (9) and the window frame support tube (11) with a built-in sealing strip (10). The U-shaped fixing clip of the present invention is designed to fit into this gap.

[0044] like Figure 6 As shown, the core of the installation lies in utilizing the elastic deformation of the clamp. The U-shaped fixing clamp (13), which is inclined at both the top and bottom in its natural state, is inserted into the gap, and the protruding structure (4) on its bottom surface abuts against the single-layer metal plate (14) of the window frame. When the bolts connecting the top bottom surface (1) are tightened, the clamp is opened up, and the top and bottom surfaces tend to be parallel. This process applies prestress to the window frame and window sash profiles, achieving a firm lock. Example 1: High-strength fixing method with four bolts

[0045] refer to Figure 1 and Figure 7 In this embodiment, the U-shaped fixing clip (13) is integrally stamped and bent from 65Mn spring steel, and the upper and lower bottom surfaces are inclined towards each other in the natural state. The front end of the lower bottom surface (3) is a protruding structure (4) formed by an integral thickened part. The upper bottom surface (1) is equipped with four rivet nuts as threaded fastening parts (5,6,7,8).

[0046] During installation, first insert the clamp into the window seam so that the protruding structure (4) abuts against the single-layer metal plate (14) of the window frame. Initially fix the clamp by screwing in bolts (15) through the threaded fasteners (5,8) on both sides; at this point, preload has been formed. Then, place the reinforcing crossbar (16) on the upper bottom surface (1), cover it with the double-hole pressure plate (17), and finally tighten it with bolts (21,22) through the central threaded fastener (6,7) to complete the fixation of the crossbar. This system provides the highest wind resistance. Example 2: Simple Fixing Method with a Single Bolt

[0047] refer to Figure 8 , Figure 9 and Figure 10 In this embodiment, the U-shaped fixing clip has only one single threaded fastening part (18) on its upper bottom surface (1). It is used in conjunction with a long screw (20) with a removable anti-damage disc and a nut (19).

[0048] During installation, first remove the anti-damage disc from the long screw (20), screw it into the threaded fastener (18), and then reinstall the anti-damage disc. Insert this assembly into the window gap, tighten the long screw with an Allen wrench, and the preload generated by the clamp will fix it to the single-layer metal plate (14) of the window frame, while the anti-damage disc protects the surface of the window frame. Then, pass the long screw through the hole in the reinforcing crossbar (16) and tighten the nut (19), thus achieving "one bolt, two locks". The structure is extremely simple and the installation is quick.

[0049] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made based on the inventive concept of the present invention and the description and drawings, or direct / indirect applications in other related technical fields, should be included within the patent protection scope of the present invention.

Claims

1. A U-shaped fixing clip for temporarily reinforcing windows against typhoons, characterized in that, include: A clamp made of elastic metal material, the clamp including an upper bottom surface (1), a lower bottom surface (3) and a connecting part (2) connecting the two, together forming a U-shaped structure; The upper bottom surface (1) is provided with at least one threaded fastening part; The bottom surface (3) has a protruding structure (4) that protrudes in the clamping direction at the end near the U-shaped opening. The width of the protrusion structure (4) is no more than 20 mm, and the top of the protrusion structure (4) is higher than the main plane of the bottom surface (3).

2. The U-shaped fixing clip according to claim 1, characterized in that, The upper bottom surface (1) and the lower bottom surface (3) are inclined towards each other in the natural unstressed state of the clamp body, so that the inner distance of the opening end of the U-shaped structure is smaller than the inner distance near the connecting part (2); The clamp is configured such that when it is installed between the window sash and the window frame and is tightened, the opposing inclined upper and lower bottom surfaces (1, 3) tend to be parallel under elastic deformation, thereby generating prestressed locking on the single-layer metal plate (14) of the window frame and the window sash frame.

3. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The protruding structure (4) is a thickened part integrally formed with the clamp body.

4. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The protruding structure is a protrusion formed by locally deforming the lower bottom surface (3) through a stamping process.

5. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The threaded fastening part is a rivet nut, welding nut or press-fit nut (5, 6, 7, 8) that is fixedly connected to the upper bottom surface (1); or a threaded hole that is directly machined on the upper bottom surface (1).

6. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The clamp body is made of 65Mn spring steel, high carbon steel, stainless steel or high-strength aluminum alloy.

7. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The upper bottom surface (1) is provided with four threaded fastening parts (5, 6, 7, 8).

8. The U-shaped fixing clip according to claim 1 or 2, characterized in that, The upper bottom surface (1) is provided with a separate threaded fastening part (18).

9. A temporary window reinforcement system, characterized in that, include: At least one U-shaped fixing clip as described in any one of claims 1 to 8; At least one reinforcing crossbar (16); The reinforcing crossbar (16) is detachably connected to the threaded fastening part on the bottom surface (1) of the U-shaped fixing clamp by bolts.

10. A temporary window reinforcement system, characterized in that, include: At least one U-shaped fixing clip as described in claim 9; A long screw (20) with an internal hexagonal hole and a removable anti-damage disc at one end; A nut (19); A reinforcing crossbar (16); The long screw (20) is threadedly connected to the separate threaded fastening part (18) to press the U-shaped fixing clamp, and after passing through the reserved hole of the reinforcing crossbar (16), it cooperates with the nut (19) to press and fix the reinforcing crossbar (16) on the U-shaped fixing clamp.

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