CN216788931U

CN216788931U - High-strength screw

Info

Publication number: CN216788931U
Application number: CN202220186264.0U
Authority: CN
Inventors: 王一强
Original assignee: Ruian Combined Standard Parts Factory
Current assignee: Ruian Combined Standard Parts Factory
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-21
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a high-strength screw which comprises a screw body, wherein a reinforcing mechanism is arranged on the inner wall of the screw body and comprises second through holes, the second through holes are respectively processed at two ends of the inner wall of the screw body, cones are in clearance fit with the inner wall of the second through holes, one ends of the outer walls of the cones are fixedly connected with arc-shaped rods, and the arc-shaped rods are respectively and fixedly connected at two ends of the inner wall of the screw body. This high strength screw, through the second opening, the cooperation between cone and the arc pole, make inside the nail body probes into two articles, with two fixed backs of article, can pass through the inner wall of the first opening immigration nail body with external rod body, and with the contact of a plurality of arc poles, carry out extrusion deformation to the arc pole, make the arc pole drive the inner wall that the cone shifted out the second opening, and pierce the inner wall of two articles, can effectually improve the joint strength of the nail body, avoid the nail body not hard up.

Description

High-strength screw

Technical Field

The utility model relates to the technical field of screws, in particular to a high-strength screw.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, and the screw is a general term of the fastener and a daily oral language.

Although the existing screw can be used for fixing objects, when the existing screw is used, two objects are fixed, looseness is generated, and the connection strength is further reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength screw, which solves the problem that when the conventional screw is used, two objects are fixed, the two objects are loosened, and the connection strength is further reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high strength screw, includes the nail body, the inner wall of the nail body is equipped with reinforcing mechanism, reinforcing mechanism includes the second opening, and is a plurality of the second opening is processed respectively in the inner wall both ends of the nail body, the inner wall clearance fit of second opening has the cone, the outer wall one end rigid coupling of cone has the arc pole, and is a plurality of the arc pole rigid coupling is in the inner wall both ends of the nail body respectively.

Preferably, the top rigid coupling of the nail body has the nail cap, the top processing of nail cap has first opening, the inner wall of first opening is linked together with the inner wall of the nail body.

Preferably, a plurality of grooves are processed at the top of the nail cap, and the inner walls of the grooves are communicated with the inner wall of the first through hole.

Preferably, the bottom of the nail body is processed with a conical tip.

Preferably, the outer wall of the nail body is equipped with the protective layer, the protective layer includes acrylic acid waterproof coating layer and epoxy paint layer, acrylic acid waterproof coating layer spraying is in the outer wall of the nail body, acrylic acid waterproof coating layer's outer wall spraying has epoxy paint layer.

Compared with the prior art, the utility model has the beneficial effects that: this high strength screw, through the second opening, the cooperation between cone and the arc pole, make inside the nail body probes into two articles, with two fixed backs of article, can pass through the inner wall of the first opening immigration nail body with external rod body, and with the contact of a plurality of arc poles, carry out extrusion deformation to the arc pole, make the arc pole drive the inner wall that the cone shifted out the second opening, and pierce the inner wall of two articles, can effectually improve the joint strength of the nail body, avoid the nail body not hard up.

The acrylic acid waterproof coating layer and the epoxy resin paint layer in the protective layer have corrosion resistance, so that the corrosion resistance of the nail body can be effectively improved, and the nail body is prevented from being corroded and damaged to influence the connection stability when in use.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of the present invention;

FIG. 2 is a schematic cross-sectional view of the shank and the nut of FIG. 1;

FIG. 3 is a schematic view of the second port, cone and curved rod of FIG. 2;

fig. 4 is a schematic structural view of the nut, the first through opening and the groove in fig. 2.

In the figure: 1. nail body, 2, awl point, 3, nail cap, 4, first through opening, 5, recess, 6, reinforcing mechanism, 601, second through opening, 602, cone, 603, arc pole, 7, protective layer, 701, acrylic acid waterproof coating layer, 702, epoxy paint layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-strength screw comprises a screw body 1, wherein a reinforcing mechanism 6 is arranged on the inner wall of the screw body 1, the reinforcing mechanism 6 comprises a second through hole 601, a plurality of second through holes 601 are respectively processed at two ends of the inner wall of the screw body 1, a cone 602 is in clearance fit with the inner wall of the second through hole 601, the cone 602 can move left and right on the inner wall of the second through hole 601, one end of the outer wall of the cone 602 is fixedly connected with an arc-shaped rod 603, the arc-shaped rod 603 can drive the cone 602 to move out of the inner wall of the second through hole 601, the arc-shaped rods 603 are respectively fixedly connected at two ends of the inner wall of the screw body 1, a screw cap 3 is fixedly connected at the top of the screw body 1, a first through hole 4 is processed at the top of the screw cap 3, the first through hole 4 is used for moving an external rod into the inner wall of the screw body 1 and is in contact with the arc-shaped rod 603, the inner wall of the first through hole 4 is communicated with the inner wall of the screw body 1, a plurality of grooves 5 are processed at the top of the screw cap 3, and the grooves 5 are placed in a cross shape, the cross screwdriver is used, the inner walls of the grooves 5 are communicated with the inner wall of the first through hole 4, and the bottom of the screwdriver body 1 is provided with the conical tip 2.

The nail body 1 is provided with a protective layer 7 on the outer wall, the protective layer 7 comprises an acrylic acid waterproof coating layer 701 and an epoxy resin paint layer 702, the acrylic acid waterproof coating layer 701 is sprayed on the outer wall of the nail body 1, the acrylic acid waterproof coating layer 701 is a single-component water emulsion type waterproof coating prepared by taking pure acrylic acid polymer emulsion as a base material and adding other additives, a waterproof film formed by the waterproof coating after curing has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance and can play roles in water resistance, seepage resistance and protection, the epoxy resin paint layer 702 is sprayed on the outer wall of the acrylic acid waterproof coating layer 701, and the epoxy resin paint layer 702 is a coating with epoxy resin as a main film forming substance and has the advantages of strong adhesive force, chemical resistance, corrosion resistance, water resistance, thermal stability and excellent electrical insulation.

When using this high strength screw, inside nail body 1 explored into two articles, with two fixed backs of article, can move into the inner wall of nail body 1 through first opening 4 with external rod body, and contact with a plurality of arc pole 603, carry out extrusion deformation to arc pole 603, make arc pole 603 drive cone 602 shift out the inner wall of second opening 601, and pierce the inner wall of two articles, can effectual improvement nail body 1's joint strength, avoid nail body 1 not hard up, and can all have corrosion-resistant characteristic according to acrylic acid waterproof coating layer 701 and epoxy paint layer 702, can effectual improvement nail body 1's corrosion resistance, avoid nail body 1 when using, corrode impaired, influence connection stability.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength screw, includes the nail body (1), its characterized in that: the inner wall of the nail body (1) is equipped with reinforcing mechanism (6), reinforcing mechanism (6) are including second opening (601), and are a plurality of second opening (601) is processed respectively in the inner wall both ends of the nail body (1), the inner wall clearance fit of second opening (601) has cone (602), the outer wall one end rigid coupling of cone (602) has arc pole (603), and is a plurality of arc pole (603) respectively the rigid coupling in the inner wall both ends of the nail body (1).

2. A high-strength screw according to claim 1, wherein: the top rigid coupling of the nail body (1) has a nail cap (3), the top processing of nail cap (3) has first opening (4), the inner wall of first opening (4) is linked together with the inner wall of the nail body (1).

3. A high-strength screw as set forth in claim 2, wherein: the top processing of nail cap (3) has a plurality of recesses (5), and is a plurality of the inner wall of recess (5) all is linked together with the inner wall of first opening (4).

4. A high-strength screw according to claim 1, wherein: the bottom of the nail body (1) is provided with a conical tip (2).

5. A high-strength screw according to claim 1, wherein: the outer wall of the nail body (1) is equipped with protective layer (7), protective layer (7) include acrylic acid waterproof coating layer (701) and epoxy paint layer (702), acrylic acid waterproof coating layer (701) spraying in the outer wall of the nail body (1), the outer wall spraying of acrylic acid waterproof coating layer (701) has epoxy paint layer (702).