Building fastening device

Abstract

The utility model discloses a building fastening device which comprises an upper fastening piece and a lower fastening piece, the upper fastening piece and the lower fastening piece are made of the same material, the lower fastening piece comprises a steel base plate, the outer surface of the steel base plate is provided with a material compression-resistant layer, the outer surface of the material compression-resistant layer is provided with a rust-resistant layer, and the outer surface of the rust-resistant layer is provided with an anti-corrosion layer. And a protective coating layer is arranged on the outer surface of the anti-rust layer. The beneficial effects of the utility model are that through the arrangement of the aluminum plating layer and the zinc plating layer, the aluminum plating layer and the zinc plating layer have the greatest advantages of excellent corrosion resistance, painting performance, decoration performance and good formability, the corrosion resistance and corrosion resistance of the upper fastener and the lower fastener are increased, the service life of the upper fastener and the lower fastener is further prolonged, and the service life of the upper fastener and the lower fastener is prolonged. Through the arrangement of the material compression-resistant layer and the alloy material layer, the use strength of the upper fastener and the lower fastener is improved, the phenomenon that the upper fastener and the lower fastener are fractured after being used for a long time is prevented, and the service life of the upper fastener and the service life of the lower fastener are prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field related to building fastening, in particular to a building fastening device. Background Art

[0002] The so-called fastening device generally refers to the intermediate connecting parts connecting two components. In construction projects, it is mostly used to fix steel pipe scaffolding with an outer diameter of 48mm. Fastening devices are divided into right-angle fasteners, rotating fasteners, butt fasteners, etc. During use, the fastening device must also provide sufficient elasticity. To this end, the fastening device must have sufficient strength and durability, and effectively maintain a reliable connection between buildings. In addition, the fastener system is required to have fewer parts, simple installation, and easy disassembly.

[0003] The existing building fastening devices have poor corrosion resistance. Long-term exposure to harsh environments will cause the fasteners to be damaged by rust, which will pose a great safety hazard and there is a risk of falling off, shortening the service life of the fastening devices.

[0004] Therefore, it is necessary to provide a building fastening device to solve the above technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art that is already known to ordinary technicians in the field. Utility Model Content

[0005] The purpose of the utility model is to provide a building fastening device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A building fastening device, comprising an upper fastener and a lower fastener, wherein the upper fastener and the lower fastener are made of the same material, wherein the lower fastener comprises a steel substrate, wherein the outer surface of the steel substrate is provided with a material pressure-resistant layer, wherein the outer surface of the material pressure-resistant layer is provided with a rust-resistant layer, and wherein the outer surface of the rust-resistant layer is provided with a protective coating layer;

[0008] The protective coating layer comprises an anti-rust primer layer, the outer surface of the anti-rust primer layer is provided with an anti-oxidation coating layer, and the outer surface of the anti-oxidation coating layer is provided with a rust-resistant topcoat layer;

[0009] The material pressure-resistant layer comprises an aluminum-plated layer, the outer surface of the aluminum-plated layer is provided with a zinc-plated layer, and the outer surface of the zinc-plated layer is provided with an alloy material layer.

[0010] Preferably, the bottom of the upper fastener contacts the top of the lower fastener. The arrangement of the aluminum plating layer and the zinc plating layer has the greatest advantage of excellent corrosion resistance, paintability, decorativeness and good formability, which increases the corrosion resistance and rust resistance of the upper fastener and the lower fastener, thereby further extending the service life of the upper fastener and the lower fastener.

[0011] Preferably, mounting blocks are welded on both sides of the upper fastener and both sides of the lower fastener, and mounting holes are opened around the outer sides of the mounting blocks. By setting the material pressure-resistant layer and the alloy material layer, the use strength of the upper fastener and the lower fastener is increased, and the upper fastener and the lower fastener are prevented from breaking due to long-term use, thereby extending the service life of the upper fastener and the lower fastener.

[0012] Preferably, the mounting block is provided with screw pins used in conjunction with the mounting holes on both sides of the upper fastener. The setting of the mounting holes and the screw pins facilitates the installation and fixation of the upper fastener and the lower fastener. The steel substrate has high strength, resistance to high temperature, high pressure, low temperature, corrosion resistance, wear resistance and other special physical and chemical properties, which increases the strength and corrosion resistance of the upper fastener and the lower fastener, and extends the service life of the upper fastener and the lower fastener.

[0013] Preferably, the inner cavities of the upper fastener and the lower fastener are both adhered with a buffer pad, the material of the buffer pad is a wear-resistant rubber layer, through the anti-rust primer layer, antioxidant coating and rust-resistant topcoat layer, the raw lacquer has strong adhesion, tough paint film, good gloss, it is resistant to soil corrosion, relatively resistant to water and oil, improves the corrosion resistance of the upper fastener and the lower fastener, and extends the service life of the upper fastener and the lower fastener.

[0014] Preferably, the outer surface of the anti-rust primer layer is coated and adhered to the inner surface of the anti-oxidation coating layer, and the outer surface of the anti-oxidation coating layer is coated and adhered to the inner surface of the anti-corrosion topcoat layer.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: through the arrangement of the aluminum plating layer and the zinc plating layer, the greatest advantages are excellent corrosion resistance, paintability, decorativeness and good formability, which increases the corrosion resistance and rust resistance of the upper fasteners and the lower fasteners, and further extends the service life of the upper fasteners and the lower fasteners. Through the arrangement of the material pressure-resistant layer and the alloy material layer, the use strength of the upper fasteners and the lower fasteners is increased, preventing the upper fasteners and the lower fasteners from breaking due to long-term use, thereby extending the service life of the upper fasteners and the lower fasteners. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural diagram of a building fastening device of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of an upper fastener and a lower fastener of a building fastening device of the utility model;

[0018] Figure 3 This is a schematic diagram of the material compression layer structure of a building fastening device of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the protective coating layer structure of a building fastening device.

[0020] In the figure: 1. upper fastener; 2. lower fastener; 3. steel substrate; 4. material pressure-resistant layer; 410. aluminum-plated layer; 420. zinc-plated layer; 430. alloy material layer; 5. rust-resistant layer; 6. protective coating layer; 610. anti-rust primer layer; 620. antioxidant coating; 630. rust-resistant topcoat layer; 7. mounting block; 8. mounting hole; 9. screw pin; 10. buffer pad. 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] See also Figure 1-4 The utility model provides a technical solution for a building fastening device: comprising an upper fastener 1 and a lower fastener 2, the upper fastener 1 and the lower fastener 2 are made of the same material, the lower fastener 2 comprises a steel substrate 3, the outer surface of the steel substrate 3 is provided with a material pressure-resistant layer 4, the outer surface of the material pressure-resistant layer 4 is provided with a rust-resistant layer 5, and the outer surface of the rust-resistant layer 5 is provided with a protective coating layer 6;

[0023] The protective coating layer 6 comprises an anti-rust primer layer 610, an outer surface of the anti-rust primer layer 610 is provided with an anti-oxidation coating layer 620, and an outer surface of the anti-oxidation coating layer 620 is provided with a rust-resistant topcoat layer 630;

[0024] The material pressure-resistant layer 4 includes an aluminum-plated layer 410 , a zinc-plated layer 420 is disposed on the outer surface of the aluminum-plated layer 410 , and an alloy material layer 430 is disposed on the outer surface of the zinc-plated layer 420 .

[0025] Furthermore, the bottom of the upper fastener 1 contacts the top of the lower fastener 2. Through the arrangement of the aluminum plating layer 410 and the zinc plating layer 420, the greatest advantage is excellent corrosion resistance, paintability, decorativeness and good formability, which increases the corrosion resistance and rust resistance of the upper fastener 1 and the lower fastener 2, and further extends the service life of the upper fastener 1 and the lower fastener 2.

[0026] Furthermore, mounting blocks 7 are welded on both sides of the upper fastener 1 and both sides of the lower fastener 2, and mounting holes 8 are opened around the outer sides of the mounting blocks 7. Through the arrangement of the material pressure-resistant layer 4 and the alloy material layer 430, the use strength of the upper fastener 1 and the lower fastener 2 is increased, and the upper fastener 1 and the lower fastener 2 are prevented from breaking due to long-term use, thereby extending the service life of the upper fastener 1 and the lower fastener 2.

[0027] Furthermore, the mounting block 7 is provided with screw pins 9 on both sides of the upper fastener 1 for use with the mounting holes 8. The provision of the mounting holes 8 and the screw pins 9 facilitates the installation and fixation of the upper fastener 1 and the lower fastener 2.

[0028] Furthermore, a buffer pad 10 is adhered to the inner cavity of the upper fastener 1 and the inner cavity of the lower fastener 2. The buffer pad 10 is made of a wear-resistant rubber layer. The steel substrate 3 has high strength, resistance to high temperature, high pressure, low temperature, corrosion resistance, wear and other special physical and chemical properties, which increases the strength and corrosion resistance of the upper fastener 1 and the lower fastener 2 and extends the service life of the upper fastener 1 and the lower fastener 2.

[0029] Furthermore, the outer surface of the anti-rust primer layer 610 is coated and adhered to the inner surface of the antioxidant coating 620, and the outer surface of the antioxidant coating 620 is coated and adhered to the inner surface of the rust-resistant topcoat layer 630. Through the anti-rust primer layer 610, the antioxidant coating 620 and the rust-resistant topcoat layer 630, the raw lacquer has strong adhesion, a tough paint film and good gloss. It is resistant to soil corrosion and is relatively water-resistant and oil-resistant, thereby improving the corrosion resistance of the upper fastener 1 and the lower fastener 2 and extending the service life of the upper fastener 1 and the lower fastener 2.

[0030] It should be noted that the utility model is a building fastening device. Through the arrangement of the aluminum-plated layer 410 and the zinc-plated layer 420, the greatest advantages are excellent corrosion resistance, paintability, decorativeness and good formability, which increases the corrosion resistance and rust resistance of the upper fastener 1 and the lower fastener 2, and further prolongs the service life of the upper fastener 1 and the lower fastener 2. Through the arrangement of the material pressure-resistant layer 4 and the alloy material layer 430, the use strength of the upper fastener 1 and the lower fastener 2 is increased, and the phenomenon of the upper fastener 1 and the lower fastener 2 being broken due to long-term use is prevented, and the service life of the upper fastener 1 and the lower fastener 2 is prolonged. The setting is convenient for installing and fixing the upper fastener 1 and the lower fastener 2. The steel base plate 3 has high use strength, resistance to high temperature, high pressure, low temperature, corrosion resistance, wear resistance and other special physical and chemical properties, which increases the use strength and corrosion resistance of the upper fastener 1 and the lower fastener 2, and extends the service life of the upper fastener 1 and the lower fastener 2. Through the anti-rust primer layer 610, the anti-oxidation coating 620 and the rust-resistant topcoat layer 630, the raw lacquer has strong adhesion, a tough paint film and good gloss. It is resistant to soil corrosion and is relatively water-resistant and oil-resistant, thereby improving the corrosion resistance of the upper fastener 1 and the lower fastener 2 and extending the service life of the upper fastener 1 and the lower fastener 2.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A building fastening device, characterized in that: It comprises an upper fastener (1) and a lower fastener (2), wherein the upper fastener (1) and the lower fastener (2) are made of the same material, and the lower fastener (2) comprises a steel substrate (3), the outer surface of the steel substrate (3) is provided with a material pressure-resistant layer (4), the outer surface of the material pressure-resistant layer (4) is provided with a rust-resistant layer (5), and the outer surface of the rust-resistant layer (5) is provided with a protective coating layer (6); The protective coating layer (6) comprises an anti-rust primer layer (610), an outer surface of the anti-rust primer layer (610) is provided with an anti-oxidation coating layer (620), and an outer surface of the anti-oxidation coating layer (620) is provided with a rust-resistant topcoat layer (630); The material pressure-resistant layer (4) comprises an aluminum-plated layer (410), the outer surface of the aluminum-plated layer (410) is provided with a zinc-plated layer (420), and the outer surface of the zinc-plated layer (420) is provided with an alloy material layer (430).

2. A building fastening device according to claim 1, characterized in that: The bottom of the upper fastener (1) contacts the top of the lower fastener (2).

3. A building fastening device according to claim 1, characterized in that: Both sides of the upper fastener (1) and both sides of the lower fastener (2) are welded with mounting blocks (7), and mounting holes (8) are provided around the outer sides of the mounting blocks (7).

4. A building fastening device according to claim 3, characterized in that: The mounting block (7) is provided with screw pins (9) on both sides of the upper fastener (1) for use with the mounting holes (8).

5. A building fastening device according to claim 1, characterized in that: The inner cavity of the upper fastener (1) and the inner cavity of the lower fastener (2) are both adhered with a buffer pad (10), and the material of the buffer pad (10) is a wear-resistant rubber layer.

6. A building fastening device according to claim 1, characterized in that: The outer surface of the anti-rust primer layer (610) is coated and adhered to the inner surface of the anti-oxidation coating layer (620), and the outer surface of the anti-oxidation coating layer (620) is coated and adhered to the inner surface of the anti-corrosion topcoat layer (630).

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