CN219317384U

CN219317384U - Corrosion-resistant diddle-net head screw

Info

Publication number: CN219317384U
Application number: CN202320759195.2U
Authority: CN
Inventors: 张英慧
Original assignee: Wenzhou Tengrui Hardware Products Co ltd
Current assignee: Wenzhou Tengrui Hardware Products Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-07
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to a corrosion-resistant dip net head screw, which comprises a screw head, wherein a screw cap is movably arranged on the outer wall of the screw head, a mounting block is fixedly connected to the outer wall of the screw cap, anti-skid threads are arranged on the outer wall of the screw cap, a thread groove is formed in the inner wall of the screw head, and a stabilizing mechanism is movably arranged on the inner wall of the screw head. According to the utility model, through the mutual matching of the screw head, the thread groove and the stabilizing mechanism, when the screw head is not enough to be rotated into the dip net head, the threaded rod can be rotated to enable the extended screw head to be rotated into the thread groove, so that the length of the screw head is prolonged, the purpose of prolonging the length of the screw head is achieved, the problem that unstable connection is possibly caused by the fact that the screw length is fixed when the dip net head is connected with the dip net rod is solved, the use requirement of people is met, and the wear-resisting and corrosion-resisting effects are achieved through the wear-resisting layer and the corrosion-resisting layer on the outer wall of the screw head.

Description

Corrosion-resistant diddle-net head screw

Technical Field

The utility model relates to the technical field of screws, in particular to a corrosion-resistant dip net head screw.

Background

The screw is a tool for fastening the parts of the device step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object.

The utility model discloses a corrosion-resistant cross countersunk self-tapping screw (publication number: CN 213839199U), which comprises a disc end, wherein one side position of the disc end is fixedly connected with a conical end, a protruding strip is arranged at the upper position of the front of the conical end, one side position of the conical end far away from the disc end is connected with a screw rod part, one side position of the screw rod part far away from the conical end is fixedly connected with a conical head, and the middle position of the front of the disc end is provided with a central groove.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: the diddle-net head screw is mainly used for connecting the broken diddle-net with the screw of the rod, and the situation that the connection is unstable can be caused by the fact that the screw cannot be extended due to the fact that the screw length is fixed.

Therefore, there is a need to provide a corrosion-resistant dip net head screw.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide a corrosion-resistant dip net head screw, which solves the problem that the screw cannot be expanded due to fixed length.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme, namely a corrosion-resistant dip net head screw, which adopts the following technical scheme: the screw cap is movably mounted on the outer wall of the screw head, and the mounting block is fixedly connected with the outer wall of the screw cap.

The outer wall of screw cap is provided with anti-skidding line, the screw groove has been seted up to the inner wall of screw head, the inner wall movable mounting of screw head has stabilizing mean.

As an optimal scheme, the stabilizing mechanism comprises an expansion screw head, and one end of the expansion screw head is fixedly connected with a threaded rod.

As a preferable scheme, the shape and the size of the threaded rod are matched with those of the thread groove, and the outer wall of the threaded rod is in threaded connection with the inner wall of the thread groove.

As the preferable scheme, the outer wall of screw head is provided with the wearing layer, and the wearing layer is aluminium oxide wearing layer, makes the screw more stand wear and tear through the wearing layer that sets up.

As the preferable scheme, the inner wall of screw head is provided with corrosion-resistant layer, and corrosion-resistant layer is nickel base alloy corrosion-resistant layer, has improved the corrosion resistance of screw through the corrosion-resistant layer that sets up.

As the preferred scheme, the inner wall of screw head is provided with cold-resistant layer, and cold-resistant layer is cold-resistant layer of aluminum alloy, has improved the cold resistance of screw through the cold-resistant layer of setting.

As the preferable scheme, the inner wall of screw head is provided with the enhancement layer, and the enhancement layer is titanium alloy enhancement layer, has improved the intensity of screw through the enhancement layer that sets up.

(III) beneficial effects

Compared with the prior art, the utility model provides a corrosion-resistant dip net head screw, which comprises the following components

The beneficial effects are that:

1. according to the utility model, through the mutual matching of the screw head, the thread groove and the stabilizing mechanism, when the screw head is not enough to be rotated into the dip net head, the threaded rod can be rotated to enable the extended screw head to be rotated into the thread groove, so that the length of the screw head is prolonged, the purpose of prolonging the length of the screw head is achieved, the problem that unstable connection is possibly caused by the fact that the screw length cannot be fixed when the dip net head is connected with the dip net rod is solved, and the use requirements of people are met.

2. According to the screw head, the wear-resistant layer, the corrosion-resistant layer and the cold-resistant layer are arranged to be matched with each other, the wear-resistant and corrosion-resistant effects are achieved through the wear-resistant layer and the corrosion-resistant layer on the outer wall of the screw head, and the cold-resistant layer and the reinforcement layer on the inner wall improve the cold resistance and strength of the screw head, so that the practicability and applicability of the screw are improved, and the screw has market competitiveness.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of a screw head according to the present utility model;

FIG. 3 is a front view of the stabilization mechanism of the present utility model;

FIG. 4 is a side cross-sectional view of the screw head of the present utility model;

fig. 5 is a side cross-sectional view of the screw cap of the present utility model.

In the figure: 1. a screw head; 2. a screw cap; 3. a mounting block; 4. a stabilizing mechanism; 401. expanding a screw head; 402. a threaded rod; 5. a thread groove; 6. a wear-resistant layer; 7. a corrosion resistant layer; 8. a cold-resistant layer; 9. a reinforcing layer; 10. anti-skid lines.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1-5, the present embodiment provides a corrosion-resistant dip net head screw, which includes a screw head 1, a screw cap 2 movably mounted on an outer wall of the screw head 1, and a mounting block 3 fixedly connected to an outer wall of the screw cap 2.

The outer wall of screw cap 2 is provided with anti-skidding line 10, and thread groove 5 has been seted up to the inner wall of screw head 1, and the inner wall movable mounting of screw head 1 has stabilizing mean 4.

The stabilizing mechanism 4 comprises an expansion screw head 401, one end of the expansion screw head 401 is fixedly connected with a threaded rod 402, through the mutual cooperation of the screw head 1, the threaded groove 5 and the stabilizing mechanism 4, when the internal length of the screw head 1 is not enough, the threaded rod 402 can be rotated to enable the expansion screw head 401 to be rotated into the threaded groove 5, so that the length of the screw head 1 is prolonged, the purpose of prolonging the length of the screw head 1 is achieved, the problem that unstable connection can be caused due to the fact that the screw length cannot be fixed when the screw head is connected with a dip net rod is solved, and the use requirements of people are met.

The shape size of the threaded rod 402 is matched with the shape size of the thread groove 5, the outer wall of the threaded rod 402 is in threaded connection with the inner wall of the thread groove 5, the threaded rod 402 can be conveniently installed through the arranged thread groove 5, and accordingly the screw head 1 and the expansion screw head 401 can be conveniently connected.

Example 2

Referring to FIGS. 1-5, based on the same concept as embodiment 1 above, this embodiment also proposes

The outer wall of the screw head 1 is provided with a wear-resistant layer 6, and the wear-resistant layer 6 is an aluminum oxide wear-resistant layer, aluminum oxide is a compound with high hardness for short, the melting point is 2054 ℃, the boiling point is 2980 ℃, and ionic crystals which can be ionized at high temperature are commonly used for manufacturing refractory materials, and the screw is more wear-resistant through the arranged wear-resistant layer 6.

The inner wall of the screw head 1 is provided with a corrosion-resistant layer 7, the corrosion-resistant layer 7 is a nickel-based alloy, and the nickel-based alloy is an alloy with high strength and certain comprehensive properties such as oxidation resistance and corrosion resistance at the high temperature of 650-1000 ℃, and the corrosion resistance of the screw is improved through the arranged corrosion-resistant layer 7, so that the service life of the screw is prolonged.

The inner wall of the screw head 1 is provided with a cold-resistant layer 8, the cold-resistant layer 8 is an aluminum alloy cold-resistant layer, and the aluminum alloy main alloy elements are copper, silicon, magnesium, zinc and manganese; the secondary alloy elements such as nickel, iron, titanium, chromium, lithium, etc. have excellent electrical conductivity, thermal conductivity and corrosion resistance, and are widely used in industry, and the cold resistance of the screw can be improved by providing the cold-resistant layer 8.

The inner wall of the screw head 1 is provided with a reinforcing layer 9, and the reinforcing layer 9 is a titanium alloy reinforcing layer and the titanium alloy is a composite metal material. The main basic component of the screw is titanium, has the characteristics of high strength, good corrosion resistance, high heat resistance and the like, and is widely used in various fields, and the strength of the screw is further improved through the reinforcing layer 9.

The working principle of the utility model is as follows: the wear-resistant layer 6 and the corrosion-resistant layer 7 on the outer wall of the screw head 1 play a role in wear resistance and corrosion resistance, the cold-resistant layer 8 and the reinforcing layer 9 on the inner wall improve the cold resistance and strength of the screw head 1, and when the screw head 1 is turned into the dip net head, the threaded rod 402 can be rotated to enable the extended screw head 401 to be turned into the thread groove 5, so that the length of the screw head 1 is prolonged.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a corrosion-resistant dip net head screw, includes screw head (1), its characterized in that: the screw head (1) is characterized in that a screw cap (2) is movably arranged on the outer wall of the screw head (1), and a mounting block (3) is fixedly connected with the outer wall of the screw cap (2);

the outer wall of screw cap (2) is provided with anti-skidding line (10), screw thread groove (5) have been seted up to the inner wall of screw head (1), the inner wall movable mounting of screw head (1) has stabilizing mean (4).

2. The corrosion resistant diddle-net head screw as claimed in claim 1, wherein: the stabilizing mechanism (4) comprises an expansion screw head (401), and one end of the expansion screw head (401) is fixedly connected with a threaded rod (402).

3. The corrosion resistant diddle-net head screw as claimed in claim 2, wherein: the shape and the size of the threaded rod (402) are matched with those of the thread groove (5), and the outer wall of the threaded rod (402) is in threaded connection with the inner wall of the thread groove (5).

4. The corrosion resistant diddle-net head screw as claimed in claim 1, wherein: the outer wall of the screw head (1) is provided with a wear-resistant layer (6), and the wear-resistant layer (6) is an aluminum oxide wear-resistant layer.

5. The corrosion resistant diddle-net head screw as claimed in claim 1, wherein: the inner wall of the screw head (1) is provided with a corrosion-resistant layer (7), and the corrosion-resistant layer (7) is a nickel-based alloy corrosion-resistant layer.

6. The corrosion resistant diddle-net head screw as claimed in claim 1, wherein: the inner wall of screw head (1) is provided with cold-resistant layer (8), and cold-resistant layer (8) are cold-resistant layer of aluminum alloy.

7. The corrosion resistant diddle-net head screw as claimed in claim 1, wherein: the inner wall of the screw head (1) is provided with a reinforcing layer (9), and the reinforcing layer (9) is a titanium alloy reinforcing layer.