CN211623909U

CN211623909U - Waterproof screw

Info

Publication number: CN211623909U
Application number: CN201922323207.3U
Authority: CN
Inventors: 张伟志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-02
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a waterproof screw, including the bolt head, the packing ring is installed to the bottom of bolt head, the bottom fixedly connected with bolt of bolt head, the structure of bolt head and bolt is the same, the thread groove has been seted up on the surface of bolt, the mounting groove has been seted up at the top of bolt head, the top of bolt head is connected with the wearing layer through the ya keli adhesive, and the wearing layer includes Teflon dope layer and polyurethane dope layer. The utility model discloses a bolt head, packing ring, bolt, thread groove, mounting groove, wearing layer, special fluorine dragon dope layer, polyurethane dope layer, waterproof layer, polyurea dope layer, epoxy dope layer and compound silicate dope layer's cooperation is used, has reached the advantage that waterproof nature is good, and it is not good to have solved current screw waterproof nature when using, and rusty phenomenon appears easily in the long-time contact in screw and water source often to reduce as to screw bulk strength, the problem that people used not convenient for.

Description

Waterproof screw

Technical Field

The utility model relates to a screw technical field specifically is a waterproof screw.

Background

The screw is also called as screw and screw rod, the screw is a general name, the screw and the screw rod are different from each other, and the screw is generally called as wood screw; the screw is characterized in that the front end of the screw is provided with a sharp head, the screw pitch is large, the screw is generally used for fastening wooden parts and plastic parts, the screw rod is a machine screw, the front end of the screw is flat, the screw pitch is small and uniform, the screw is generally used for fastening metal and machine parts, the existing screw is poor in waterproofness when in use, and the phenomenon that the screw is easy to rust due to long-time contact with a water source is often caused, so that the overall strength of the screw is reduced, and the screw is inconvenient to use by.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a waterproof screw possesses waterproof nature good advantage, and it is not good to have solved current screw waterproof nature when using, often the screw contacts rusty phenomenon appears easily with the water source for a long time to as for screw bulk strength reduces, the problem that the people of not being convenient for used.

(II) technical scheme

For realizing the good purpose of above-mentioned waterproof nature, the utility model provides a following technical scheme: the utility model provides a waterproof screw, includes the bolt head, the packing ring is installed to the bottom of bolt head, the bottom fixedly connected with bolt of bolt head, the structure of bolt head and bolt is the same, the thread groove has been seted up on the surface of bolt, the mounting groove has been seted up at the top of bolt head, the top of bolt head is connected with the wearing layer through the ya keli adhesive, the wearing layer includes teflon dope layer and polyurethane dope layer, the top of wearing layer is connected with the waterproof layer through the ya keli adhesive, the waterproof layer includes polyurea dope layer, epoxy dope layer and compound silicate dope layer.

Preferably, the mounting groove is hexagonal and is arranged on the surface of the bolt head, and the washer is made of carbon steel.

Preferably, the teflon coating layer is located the top of polyurethane coating layer and connects through ya keli adhesive, the thickness of teflon coating layer and polyurethane coating layer is 0.2mm ~ 0.5 mm.

Preferably, the polyurea coating layer is located the top of epoxy coating layer and connects through the ya keli adhesive, the epoxy coating layer is located the top of compound silicate coating layer and connects through the ya keli adhesive.

Preferably, the thickness of the polyurea coating layer is 0.03-0.05 mm, the thickness of the epoxy coating layer is 0.02-0.06 mm, and the thickness of the composite silicate coating layer is 0.04-0.08 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a waterproof screw possesses following beneficial effect:

1. the utility model discloses a bolt head, packing ring, bolt, thread groove, mounting groove, wearing layer, special fluorine dragon dope layer, polyurethane dope layer, waterproof layer, polyurea dope layer, epoxy dope layer and compound silicate dope layer's cooperation is used, has reached the advantage that waterproof nature is good, and it is not good to have solved current screw waterproof nature when using, and rusty phenomenon appears easily in the long-time contact in screw and water source often to reduce as to screw bulk strength, the problem that people used not convenient for.

2. The utility model discloses a teflon dope layer, teflon dope layer have non-adhesion, heat resistance, the surface is not stained with water and oil, but also have good wear resistance.

3. The utility model discloses a polyurethane dope layer, polyurethane dope layer have good corrosion resistance, oil resistance, wearability and adhesive force.

4. The utility model discloses a polyurea dope layer, polyurea dope layer have adhesive force strong, antifriction and hardness characteristics such as strong, still have excellent physical and chemical properties, like tensile strength, elongation, pliability, wearability, ageing-resistant, anticorrosion and waterproof nature.

5. The utility model discloses an epoxy coating layer, epoxy coating layer corrosion resisting property is good, and epoxy coating layer still has performances such as extremely strong adhesive force, weatherability, water proofness, durability.

6. The utility model discloses a compound silicate coating layer, compound silicate coating layer have thermal conductivity coefficient low, light in weight, plasticity strong, thermal-insulated and characteristics such as waterproof.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the bolt head structure of the present invention;

fig. 3 is a cross-sectional view of the bolt head structure of the present invention;

fig. 4 is a cross-sectional view of the wear-resistant layer structure of the present invention;

fig. 5 is a sectional view of the waterproof layer structure of the present invention.

In the figure: 1. a bolt head; 2. a gasket; 3. a bolt; 4. a thread groove; 5. mounting grooves; 6. a wear layer; 601. a Teflon coating layer; 602. a polyurethane coating layer; 7. a waterproof layer; 701. a polyurea coating layer; 702. an epoxy coating layer; 703. and compounding a silicate coating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a bolt head 1, packing ring 2, bolt 3, thread groove 4, mounting groove 5, wearing layer 6, special fluorine dragon dope layer 601, polyurethane dope layer 602, waterproof layer 7, polyurea dope layer 701, epoxy dope layer 702 and compound silicate dope layer 703 part are the parts that general standard component or field technician know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1 to 5, a waterproof screw includes a bolt head 1, a washer 2 is installed at the bottom of the bolt head 1, a bolt 3 is fixedly connected to the bottom of the bolt head 1, the bolt head 1 and the bolt 3 have the same structure, a thread groove 4 is formed in the surface of the bolt 3, an installation groove 5 is formed in the top of the bolt head 1, the installation groove 5 is in a hexagonal shape and is arranged on the surface of the bolt head 1, the washer 2 is made of carbon steel, the top of the bolt head 1 is connected with a wear-resistant layer 6 through an acrylic adhesive, the wear-resistant layer 6 includes a teflon paint layer 601 and a polyurethane paint layer 602, the teflon paint layer 601 is located at the top of the polyurethane paint layer 602 and is connected through the acrylic adhesive, the teflon paint layer 601 and the polyurethane paint layer 602 have thicknesses of 0.2mm to 0.5mm, and the teflon paint layer 601 has non-adhesiveness, The heat resistance, the surface of the coating layer is not stained with water and oil, and the coating layer has excellent wear resistance, the polyurethane coating layer 602 has excellent corrosion resistance, oil resistance, wear resistance and adhesive force, the top of the wear-resistant layer 6 is connected with the waterproof layer 7 through an acrylic adhesive, the waterproof layer 7 comprises a polyurea coating layer 701, an epoxy coating layer 702 and a composite silicate coating layer 703, the polyurea coating layer 701 is positioned on the top of the epoxy coating layer 702 and connected through the acrylic adhesive, the epoxy coating layer 702 is positioned on the top of the composite silicate coating layer 703 and connected through the acrylic adhesive, the thickness of the polyurea coating layer 701 is 0.03 mm-0.05 mm, the thickness of the epoxy coating layer 702 is 0.02 mm-0.06 mm, the thickness of the composite silicate coating layer 703 is 0.04 mm-0.08 mm, and the polyurea coating layer 701 has strong adhesive force through the polyurea coating layer 701, The composite silicate paint has the characteristics of high friction resistance, high hardness and the like, and also has excellent physical and chemical properties such as tensile strength, elongation, flexibility, wear resistance, aging resistance, corrosion resistance and water resistance, the epoxy paint layer 702 has good corrosion resistance through the epoxy paint layer 702, the epoxy paint layer 702 also has strong adhesive force, weather resistance, water resistance, durability and the like, and the composite silicate paint layer 703 has the characteristics of low heat conductivity coefficient, light weight, high plasticity, heat insulation, water resistance and the like through the composite silicate paint layer 703.

When in use, the top of the wear-resistant layer 6 is connected with the waterproof layer 7 through an acrylic adhesive, the waterproof layer 7 comprises a polyurea coating layer 701, an epoxy coating layer 702 and a composite silicate coating layer 703, the polyurea coating layer 701 is arranged to pass through, the polyurea coating layer 701 has the characteristics of strong adhesive force, friction resistance, strong hardness and the like, and also has excellent physical and chemical properties such as tensile strength, elongation, flexibility, wear resistance, aging resistance, corrosion resistance and waterproofness, the epoxy coating layer 702 is arranged to pass through, the epoxy coating layer 702 has good corrosion resistance, the epoxy coating layer 702 also has strong adhesive force, weather resistance, water resistance, durability and the like, the composite silicate coating layer 703 is arranged to pass through, the composite silicate coating layer 703 has the characteristics of low thermal conductivity, light weight, strong plasticity, heat insulation, waterproofness and the like, and the advantage of good waterproofness is achieved through the, the problem of current screw waterproof nature when using not good, often the screw contacts the phenomenon that rusts appears easily with the water source for a long time to as to screw bulk strength reduces, not convenient to people use is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waterproof screw comprises a bolt head (1), and is characterized in that: washer (2) are installed to the bottom of bolt head (1), bottom fixedly connected with bolt (3) of bolt head (1), the structure of bolt head (1) and bolt (3) is the same, thread groove (4) have been seted up on the surface of bolt (3), mounting groove (5) have been seted up at the top of bolt head (1), the top of bolt head (1) is connected with wearing layer (6) through the ya keli adhesive, wearing layer (6) include teflon dope layer (601) and polyurethane dope layer (602), the top of wearing layer (6) is connected with waterproof layer (7) through the ya keli adhesive, waterproof layer (7) include polyurea dope layer (701), epoxy dope layer (702) and compound silicate dope layer (703).

2. The waterproof screw according to claim 1, wherein: the mounting groove (5) is hexagonal and is arranged on the surface of the bolt head (1), and the gasket (2) is made of carbon steel.

3. The waterproof screw according to claim 1, wherein: the Teflon coating layer (601) is located at the top of the polyurethane coating layer (602) and is connected with the polyurethane coating layer (602) through an acrylic adhesive, and the thickness of the Teflon coating layer (601) and the thickness of the polyurethane coating layer (602) are both 0.2 mm-0.5 mm.

4. The waterproof screw according to claim 1, wherein: polyurea coating layer (701) are located the top of epoxy coating layer (702) and connect through ya keli adhesive, epoxy coating layer (702) are located the top of compound silicate coating layer (703) and connect through ya keli adhesive.

5. The waterproof screw according to claim 1, wherein: the thickness of the polyurea coating layer (701) is 0.03-0.05 mm, the thickness of the epoxy coating layer (702) is 0.02-0.06 mm, and the thickness of the composite silicate coating layer (703) is 0.04-0.08 mm.