A type of outdoor floor steel-plastic composite fastener

Abstract

This utility model discloses an outdoor floor steel-plastic composite fastener, comprising a central body and two side wings. The central body and side wings are an integral structure. The side wings are inclined and have approximate geometric shapes such as U, V, or W. This geometric shape facilitates fastener fixation to the floor during installation, preventing tilting and eliminating the need for manual adjustment. This facilitates the installation of the next floor plank, thus saving labor costs and increasing installation efficiency. A positioning device is located at the center of the back of the central body, with a through screw hole at the center of the central body and the center of the positioning device. The positioning device is serrated. Symmetrical clamping teeth are located along the edge of the back of the central body, and a metal frame is built into the core of the central body. This utility model features a simple structure and convenient installation, combining the advantages of metal and plastic, balancing strength, weather resistance, and convenience. It is particularly suitable for scenarios requiring long-term stability and low maintenance, and is especially applicable to the installation of outdoor flooring.

Description

Technical Field

[0001] This utility model relates to a connecting fastener, specifically to an outdoor floor steel-plastic composite fastener. Background Technology

[0002] Currently, the main connection methods for wood flooring include tongue and groove joints (flat interlocking), click-locking joints, screwless connectors, and newer T-shaped / cross-shaped connectors. Each method has its own disadvantages, as detailed below:

[0003] Tongue and groove (flat interlocking) connection: This type of connection uses tenons (convex grooves) and mortises (recesses) to interlock, secured with glue (such as white glue). Its disadvantages include: 1. Prone to detachment and deformation: In dry or humid environments, the mortise and groove can easily separate due to the expansion and contraction of the wood, leading to larger gaps in the flooring. 2. Reliance on glue: Requires the use of adhesives, which may introduce formaldehyde pollution. 3. Complex installation: Requires precise alignment of the tenons and mortises, resulting in high labor costs and difficulties in subsequent maintenance and disassembly.

[0004] Click-lock connection: This type of connection uses a physical locking mechanism with tenons and countersunk edges, eliminating the need for glue. It relies on the mechanical interlocking force between the tenon and the groove to secure the wood. Disadvantages include: 1. High cost: The complex manufacturing process and expensive grooving equipment result in a higher price per unit. 2. Tensile strength limitation: The load-bearing capacity of the click-lock connection is affected by the chamfer design. Improper design may lead to breakage or gaps due to thermal expansion and contraction. 3. Limited applicability: For some solid wood floors, due to insufficient material hardness, the tenon and countersunk joints are easily damaged during disassembly.

[0005] Screwless connector type: This type uses a snap-fit ​​base frame to support the floor, securing it with grooves and protrusions to avoid nails or glue. Its disadvantages include: 1. Complex structure: Requires specialized connectors, high installation precision, and manual support of the connectors, or placing two floorboards side-by-side and inserting the connectors from the top, resulting in slower installation and lower work efficiency. 2. Cost: The integrated base frame design uses more materials, leading to a higher overall cost. 3. Inconvenient maintenance: If the connectors are damaged, the entire floorboard must be disassembled for replacement.

[0006] T-shaped / cross-shaped connectors: These replace traditional mortise and tenon joints by embedding T-shaped or cross-shaped metal / plastic strips into grooves in the floorboards. Disadvantages: 1. Poor aesthetics: Exposed connectors may affect the overall visual appeal (unless a concealed design is used). 2. Low compatibility: Requires specific grooves to be pre-drilled in the floor, resulting in high costs for modifying existing flooring. 3. Noise risk: Without soft cushioning materials, friction may still cause creaking noises.

[0007] Traditional joist nail fixing: Principle: The floorboards are directly nailed to the wooden joists, an early installation method. Disadvantages: 1. Highly destructive: Drilling with an electric hammer can easily damage floor pipes, and rusted nails can easily loosen. 2. Poor environmental friendliness: Requires a large amount of wood and metal nails, wasting resources and being environmentally unfriendly. 3. Risk of deformation: Rigid fixing cannot adapt to the expansion and contraction of wood due to moisture, easily leading to floor warping or buckling. Summary of the Invention

[0008] The purpose of this utility model is to provide an outdoor floor steel-plastic composite fastener that is simple in structure and easy to operate in order to solve the above problems.

[0009] To achieve the above objectives, this utility model provides the following technical solution: an outdoor floor steel-plastic composite fastener, comprising a middle body and two side wings, the middle body and the side wings being an integral structure, the side wings being inclined, a positioning device being provided at the center of the back of the middle body, a through screw hole being provided at the center of the middle body and the center of the positioning device, the positioning device being serrated, clamping teeth being symmetrically provided at the edge of the back of the middle body, and a metal skeleton being built into the core of the middle body.

[0010] A further improvement of this utility model is that the side wings and the middle body form a U-shaped, V-shaped, or W-shaped or similar approximate geometric shape.

[0011] A further improvement of this utility model is that an installation direction indicator mark is provided on the front side of the intermediate body.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. Easy installation:

[0014] Modular design: This utility model is an integrated accessory with U-shaped, V-shaped or W-shaped side wings, which can quickly assemble the floor without complicated tools, saving labor and time; at the same time, the surface of this utility model is marked with special markings, which are not only beautiful but also easy to identify the direction of installation, thereby improving installation efficiency.

[0015] No drilling or minimal drilling: Direct clip-on fastening reduces damage to flooring materials and maintains an aesthetically pleasing appearance.

[0016] 2. High strength and durability:

[0017] Metal core: The product structure adopts an outer plastic and inner steel structure. The built-in metal frame can provide high load-bearing capacity and excellent compression and bending resistance. It not only ensures convenient installation, but also improves the strength of the fasteners, so that the installed floor is not easy to loosen and ensures the installation is firm.

[0018] Anti-aging: The outer plastic layer is resistant to ultraviolet rays and has strong weather resistance, and is not easily deformed or brittle after long-term outdoor use.

[0019] 3. Rust and corrosion prevention:

[0020] Fully enclosed design: The metal core is completely encased in plastic, isolating it from moisture and air, preventing the metal from rusting, and extending its service life.

[0021] Moisture resistant: Suitable for environments with a lot of rain and high humidity (such as poolside, courtyard terrace, etc.).

[0022] 4. High stability:

[0023] Anti-loosening: The metal and plastic composite structure reduces the effects of thermal expansion and contraction, avoiding the problem of loosening that is common with traditional pure plastic fasteners.

[0024] Shock absorption and cushioning: The plastic layer absorbs footsteps and vibrations, improving foot comfort.

[0025] 5. Concealed aesthetics:

[0026] No exposed screws: The fasteners are hidden under the floor, keeping the floor surface clean and improving the overall aesthetics.

[0027] Highly adaptable: Suitable for a variety of outdoor flooring materials (such as wood-plastic composite, anti-corrosion wood, aluminum alloy flooring, etc.).

[0028] 6. Low maintenance costs:

[0029] Minimal maintenance required: Unlike metal fasteners, there is no need for regular rust prevention treatment, and the plastic parts are easy to clean (simply rinse with water).

[0030] 7. Environmental friendliness:

[0031] Recyclable materials: Some products use recycled plastics or recyclable metals, which aligns with the trend of green building. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the front structure with U-shaped side wings.

[0033] Figure 2 This is a schematic diagram of the reverse structure with U-shaped side wings.

[0034] Figure 3 This is a diagram showing the state before use, with U-shaped flanks.

[0035] Figure 4 This is a schematic diagram of the front structure with V-shaped side wings.

[0036] Figure 5 This is a schematic diagram of the reverse structure with V-shaped side wings.

[0037] Figure 6 This is a diagram showing the state before use, with V-shaped flanks.

[0038] Figure 7To use a state diagram.

[0039] The attached diagram is labeled as follows: 1. Side wing; 2. Installation direction indicator; 3. Screw hole; 4. Positioning device; 5. Clamping teeth; 6. Metal frame. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] As attached Figures 1 to 6 The illustrated outdoor floor steel-plastic composite fastener includes a central body and two side wings 1. The front of the central body has an installation direction indicator 2, allowing users to easily identify the direction of use during installation. The central body and side wings 1 are an integral structure, with the side wings angled. The side wings 1 form a U, V, or W shape with the central body. This geometric shape facilitates fastener fixation to the floor during installation, preventing tilting and eliminating the need for manual adjustment. This makes it easier to install the next floor plank, thus saving labor costs and increasing floor installation efficiency.

[0042] A positioning device 4 is located at the center of the back of the intermediate body. A through screw hole 3 is provided between the center of the intermediate body and the center of the positioning device 4. The positioning device 4 is serrated and serves to position the floorboards, ensuring that the gap between the boards is consistent after installation. The geometry of the positioning device is elastic. After installation, the floorboards will expand when exposed to high temperatures, increasing their width and potentially squeezing the positioning device. Due to the elasticity of the positioning device, the expanded portion of the floorboards is squeezed into the positioning device, allowing for space to escape. This prevents unevenness on the surface of the installed floorboards caused by expansion due to high temperatures, releases internal stress, and makes the product less prone to deformation.

[0043] The back edge of the intermediate body is symmetrically provided with clamping teeth 5, and the core of the intermediate body has a built-in metal skeleton 6.

[0044] Because of the geometric structure of the side wings, the fasteners can be easily fixed to the floor. Once fixed, they are relatively straight and do not need to be straightened by hand. They also make it easy to quickly insert the next floorboard, so the installation efficiency is greatly improved.

[0045] This utility model features a one-piece structure with a simple design and U-shaped, V-shaped, or W-shaped side wings. It requires no complex tools, allowing for quick and easy assembly of the flooring, saving labor and time. Combining the advantages of metal and plastic, this utility model balances strength, weather resistance, and convenience, making it particularly suitable for scenarios requiring long-term stability and low maintenance, and especially ideal for outdoor flooring installation.

Claims

1. An outdoor floor steel-plastic composite fastener, comprising a middle body and two side wings (1), characterized in that: The intermediate body and the side wings (1) are an integral structure. The side wings are in an inclined state. A positioning device (4) is provided at the center of the back of the intermediate body. A through screw hole (3) is provided between the center of the intermediate body and the center of the positioning device (4). The positioning device (4) is serrated. A clamping tooth (5) is symmetrically provided at the edge of the back of the intermediate body. A metal skeleton (6) is built into the core of the intermediate body.

2. The outdoor floor steel-plastic composite fastener according to claim 1, characterized in that: The flanks (1) are U-shaped, V-shaped or W-shaped with the intermediate body.

3. The outdoor floor steel-plastic composite fastener according to claim 1, characterized in that: The front of the intermediate body is provided with an installation direction indicator mark (2).

Images