CN218953789U

CN218953789U - Anti-rust screw

Info

Publication number: CN218953789U
Application number: CN202223164279.6U
Authority: CN
Inventors: 朱小辉
Original assignee: Yangjiang Guanhong Hardware Technology Co ltd
Current assignee: Yangjiang Guanhong Hardware Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-02
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses an anti-rust screw which comprises a stud, wherein the right end of the stud is fixedly connected with a rotating block, the left side surface of the rotating block is fixedly connected with an anti-skid plate, the right side surface of the rotating block is provided with a threaded groove, the outer surface of the rotating block is sleeved with an anti-rust sleeve, the left side surface of the anti-rust sleeve is fixedly connected with a threaded ring, the left end of the threaded ring extends to the inside of the threaded groove, the inner ring of the anti-rust sleeve is fixedly inlaid with an external threaded ring, the outer surface of the rotating block is fixedly inlaid with an internal threaded ring, the outer surface of the internal threaded ring is in threaded connection with the inner ring of the external threaded ring, the left side surface of the anti-skid plate is provided with an annular concave hole, and the inside of the annular concave hole is provided with a sealing ring. This prevent rust screw reaches the effect to the rust-resistant seal of double-screw bolt rear end rotatory piece, will make this screw outside possess rust-resistant characteristics after the installation, avoids the screw to cause the phenomenon of rust corrosion, is convenient for dismantle and overhaul the screw.

Description

Anti-rust screw

Technical Field

The utility model relates to the field of screws, in particular to a rust-proof screw.

Background

The screw refers to a screw, which is a tool for fastening a machine part step by utilizing the physical and mathematical principles of the circular rotation and friction force of an inclined plane of an object, and is a common fastener which is generally made of metal or plastic, is cylindrical and is provided with concave-convex grooves on the surface, which are called threads.

Screws are widely used in machinery, electric appliances and buildings, but the prior screws are not provided with rust-proof outside after being installed, the external environment is easy to rust and corrode the screws, and the screws are not convenient to detach subsequently, so that the rust-proof screws are provided to solve the problems.

Disclosure of Invention

The present utility model is directed to a rust-proof screw to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a rust-resistant screw, includes the double-screw bolt, the right-hand member fixedly connected with rotary block of double-screw bolt, the left surface fixedly connected with antiskid ribbed tile of rotary block, the thread groove has been seted up to the right side of rotary block, the surface cover of rotary block is equipped with rust-resistant cover, the left surface fixedly connected with screwed ring of rust-resistant cover, the inside that the left end of screwed ring extends to the thread groove.

In a further embodiment, an external thread ring is fixedly inlaid on the inner ring of the rust-proof sleeve, an internal thread ring is fixedly inlaid on the outer surface of the rotating block, and the outer surface of the internal thread ring is in threaded connection with the inner ring of the external thread ring.

In a further embodiment, an annular concave hole is formed in the left side face of the antiskid plate, and a sealing ring is arranged in the annular concave hole.

In a further embodiment, an inner hexagonal groove is formed in the right side face of the rotating block, and an inner ring of the threaded ring is in threaded connection with the inner wall of the threaded groove.

In a further embodiment, an anti-rust layer is sprayed on the outer surface of the stud, and threads are formed on the outer surface of the anti-rust sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

this prevent rust screw is provided with the screw groove through rotatory piece to with the cooperation of the inside screwed collar of rust-resistant cover, can make the screwed collar rotate to the inside of screw groove, will make rust-resistant cover at rotatory piece surface firm installation, thereby utilize the installation of rust-resistant cover, reach the sealed rust-resistant effect of rotatory piece in double-screw bolt rear end, thereby can this screw outside possess rust-resistant characteristics after the installation, avoid the screw to cause rust corrosion's phenomenon, be convenient for dismantle it and overhaul.

Drawings

Fig. 1 is a schematic perspective view of a rust-proof screw.

Fig. 2 is a cross-sectional view of a front view of the rust-preventive casing in the rust-preventive screw.

Fig. 3 is an enlarged schematic view of the structure of the rust-preventive screw at a in fig. 2.

In the figure: 1. a stud; 2. a rotating block; 3. a cleat; 4. a thread groove; 5. a threaded ring; 6. an antirust sleeve; 7. an external thread ring; 8. an internal thread ring; 9. an inner hexagonal groove; 10. a rust-proof layer; 11. a seal ring; 12. annular concave hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the utility model, an anti-rust screw comprises a stud 1, a rotary block 2 is fixedly connected to the right end of the stud 1, an anti-skid plate 3 is fixedly connected to the left side surface of the rotary block 2, a thread groove 4 is formed in the right side surface of the rotary block 2, an anti-rust sleeve 6 is sleeved on the outer surface of the rotary block 2, a thread ring 5 is fixedly connected to the left side surface of the anti-rust sleeve 6, and the left end of the thread ring 5 extends into the thread groove 4.

The inner ring of the rust-proof sleeve 6 is fixedly inlaid with an external thread ring 7, the outer surface of the rotating block 2 is fixedly inlaid with an internal thread ring 8, the outer surface of the internal thread ring 8 is in threaded connection with the inner ring of the external thread ring 7, the left side surface of the anti-skid plate 3 is provided with an annular concave hole 12, the inside of the annular concave hole 12 is provided with a sealing ring 11, the rust-proof sleeve 6 can be installed more firmly through the external thread ring 7 and the internal thread ring 8, and the contact between the stud 1 and the outside air can be reduced by utilizing the sealing ring 11 inside the annular concave hole 12.

The right side face of the rotating block 2 is provided with an inner hexagonal groove 9, the inner ring of the threaded ring 5 is in threaded connection with the inner wall of the threaded groove 4, the outer surface of the stud 1 is sprayed with an anti-rust layer 10, the outer surface of the anti-rust sleeve 6 is provided with threads, and the outer part of the stud 1 can be subjected to anti-rust treatment through the anti-rust layer 10, so that rust can be prevented better.

The working principle of the utility model is as follows: firstly, penetrating the stud 1 into the installation hole, rotating the rotating block 2, rotating and locking the stud 1, enabling the sealing ring 11 to be in contact with the surface of an object, then taking the rust-proof sleeve 6, rotating the thread ring 5 in the rust-proof sleeve 6 in the thread groove 4 until the thread ring 5 is completely rotated into the thread groove 4, and then completing the installation of the rust-proof sleeve 6, wherein the rust-proof sleeve 6 can be used for sealing and rust-proof treatment of the rotating block 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An anti-rust screw, characterized in that: including double-screw bolt (1), the right-hand member fixedly connected with rotary block (2) of double-screw bolt (1), the left surface fixedly connected with antiskid ribbed tile (3) of rotary block (2), thread groove (4) have been seted up to the right flank of rotary block (2), the surface cover of rotary block (2) is equipped with rust-resistant cover (6), the left surface fixedly connected with screwed ring (5) of rust-resistant cover (6), the left end of screwed ring (5) extends to the inside of thread groove (4).

2. A rust-resistant screw as set forth in claim 1, wherein: the anti-rust device is characterized in that an outer thread ring (7) is fixedly inlaid in an inner ring of the anti-rust sleeve (6), an inner thread ring (8) is fixedly inlaid in the outer surface of the rotating block (2), and the outer surface of the inner thread ring (8) is in threaded connection with the inner ring of the outer thread ring (7).

3. A rust-resistant screw as set forth in claim 1, wherein: annular concave holes (12) are formed in the left side face of the antiskid plate (3), and sealing rings (11) are arranged in the annular concave holes (12).

4. A rust-resistant screw as set forth in claim 1, wherein: an inner hexagonal groove (9) is formed in the right side face of the rotating block (2), and the inner ring of the threaded ring (5) is in threaded connection with the inner wall of the threaded groove (4).

5. A rust-resistant screw as set forth in claim 1, wherein: the outer surface of the stud (1) is sprayed with an antirust layer (10), and the outer surface of the antirust sleeve (6) is provided with threads.